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本文回顾了2007年中国IT行业的双会盛况,提及了由中国互联网协会主办的第三届计算机会议,强调了高翔参会,并对上午大会的良好氛围进行了描述。

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static float Bias,Pwm,Integral_bias,Last_Bias; int Position_PID (int Encoder,int Target) { Bias=Encoder-Target; //&frac14;ÆËãÆ«²î Integral_bias+=Bias; //Çó&sup3;öÆ«²îµÄ»ý·Ö // Pwm=70*Bias*Ratio+0.00*Integral_bias*Ratio+200*(Bias-Last_Bias)*Ratio; //λÖÃÊ&frac12;PID¿ØÖÆÆ÷ Pwm=100*Bias*Ratio+0.00*Integral_bias*Ratio+250*(Bias-Last_Bias)*Ratio; //λÖÃÊ&frac12;PID¿ØÖÆÆ÷ Last_Bias=Bias; //±£´æÉÏÒ»´ÎÆ«²î return Pwm; //ÔöÁ¿Êä&sup3;ö } int Position_PID_1 (int Encoder,float Target) { static float Bias,Pwm,Integral_bias,Last_Bias,encoder; encoder=(float)Encoder; Bias=encoder-Target; //&frac14;ÆËãÆ«²î Integral_bias+=Bias; //Çó&sup3;öÆ«²îµÄ»ý·Ö // Pwm=90*Bias*Ratio+0.00*Integral_bias*Ratio+250*(Bias-Last_Bias)*Ratio; //λÖÃÊ&frac12;PID¿ØÖÆÆ÷ Pwm=90*Bias*Ratio+0.00*Integral_bias*Ratio+250*(Bias-Last_Bias)*Ratio; //λÖÃÊ&frac12;PID¿ØÖÆÆ÷ Last_Bias=Bias; //±£´æÉÏÒ»´ÎÆ«²î return Pwm; //ÔöÁ¿Êä&sup3;ö } int Position_PID_3 (int Encoder,int Target) { static float Bias,Pwm,Integral_bias,Last_Bias; Bias=Encoder-Target; //&frac14;ÆËãÆ«²î Integral_bias+=Bias; //Çó&sup3;öÆ«²îµÄ»ý·Ö // Pwm=70*Bias*Ratio+0.00*Integral_bias*Ratio+200*(Bias-Last_Bias)*Ratio; //λÖÃÊ&frac12;PID¿ØÖÆÆ÷ // Pwm=280*Bias*Ratio+0.00*Integral_bias*Ratio+300*(Bias-Last_Bias)*Ratio; //λÖÃÊ&frac12;PID¿ØÖÆÆ÷ Pwm=90*Bias*Ratio+0.00*Integral_bias*Ratio+250*(Bias-Last_Bias)*Ratio; //λÖÃÊ&frac12;PID¿ØÖÆÆ÷ Last_Bias=Bias; //±£´æÉÏÒ»´ÎÆ«²î return Pwm; //ÔöÁ¿Êä&sup3;ö } u16 Count_Next=0; static int Angle_Max,Position_Max; static u8 Flag_Back; u16 number=0; //int Count_FZ,Target_Position=10580; /************************************************************************** º¯Êý&sup1;¦ÄÜ£º×Ô¶¯Æð°Ú&sup3;ÌÐò Èë¿Ú²ÎÊý£ºint ·µ»Ø Öµ£º **************************************************************************/ void Run(u8 Way) { static float Count_FZ,Target_Position=10450; static float Count_Big_Angle=0.046542; if(Way==2) //ÊÖ¶¯Æð°Ú&sup3;ÌÐò { if(Angle_Balance<(ZHONGZHI+200)&&Angle_Balance>(ZHONGZHI-200)) //µ&frac12;µ×&frac12;Ó&frac12;üÆ&frac12;ºâλÖà &frac14;´¿É¿ªÆôÆ&frac12;ºâϵÍ&sup3; { State=1; //µ&sup1;Á¢×´Ì¬ÖÃ1 Way_Turn=0;//Æð°Ú±êÖ&frac34;λÇåÁã } } } /************************************************************************** º¯Êý&sup1;¦ÄÜ£ºÇã&frac12;ÇPD¿ØÖÆ Èë¿Ú²ÎÊý£º&frac12;Ç¶È ·µ»Ø Öµ£ºÇã&frac12;Ç¿ØÖÆPWM **************************************************************************/ int balance_0(float Angle) { float Bias; //Çã&frac12;ÇÆ«²î static float Last_Bias,D_Bias,I_Bias; //PIDÏà&sup1;رäÁ¿ int balance; Bias=Angle-ZHONGZHI; I_Bias+=Bias; D_Bias=Bias-Last_Bias; balance=-Balance_KP*Bias- D_Bias*Balance_KD+ I_Bias*Balance_Ratio; Last_Bias=Bias; return balance; //PWM·µ»ØÖµ //Çó&sup3;öÆ&frac12;ºâµÄ&frac12;ǶÈÖÐÖµ ºÍ»úеÏà&sup1;Ø //Îó²î×öÀÛ&frac14;Ó£¬×ö»ý·Ö¶ÔÏó //Çó&sup3;öÆ«²îµÄ΢·Ö &frac12;øÐÐ΢·Ö¿ØÖÆ //Ê&sup1;ÓÃλÖÃPIDËã·¨&sup1;«Ê&frac12;¸øPWM¸&sup3;Öµ£¬Æ&frac12;ºâ¿ØÖÆÐèÒª¿ìËÙ·´Ó¦£¬Ê&sup1;ÓÃPD¿ØÖÆËã·¨£¬&frac14;´»ý·Ö²ÎÊýΪÁã //ÉÏ´ÎÎó²îµÈÓÚµ±Ç°Îó²î //º¯Êý·µ»ØÖµÎªÇã&frac12;Ç¿ØÖÆPWMÖµ } /************************************************************************** º¯Êý&sup1;¦ÄÜ£ºÎ»ÖÃPD¿ØÖÆ Èë¿Ú²ÎÊý£º±àÂëÆ÷ ·µ»Ø Öµ£ºÎ»ÖÿØÖÆPWM **************************************************************************/ int Position_0(int Encoder) { static float Position_PWM, Last_Position, Position_Bias, Position_Differential; static float Position_Least; Position_Least=Encoder-Position_Zero; //=-???? Position_Bias *=0.8; Position_Bias += Position_Least*0.2; Position_Differential=Position_Bias-Last_Position; Last_Position=Position_Bias; Position_PWM =Position_Bias*Position_KP+Position_Differential*Position_KD; return Position_PWM; //¶¨ÒåλÖÿØÖƱäÁ¿£¬·Ö±ðÐèÒª¶¨Òå¿ØÖÆPWMÖµ¡¢ÉÏÒ»´ÎµÄλÖÃÖµ¡¢µ±Ç°Î»ÖÃÖµ¡¢Î¢·Ö¶ÔÏóÖµ //¶¨ÒåλÖÃÎó²î±äÁ¿ //===»ñȡλÖÃÆ«²îÁ¿£¬&frac14;´Îó²îÁ¿ //Ò»&frac12;×µÍͨÂ˲¨Æ÷Ëã·¨ //===Ò»&frac12;×µÍͨÂ˲¨Æ÷ //===»ñȡƫ²î±ä»¯ÂÊ£¬µ±Ç°Îó²îÓëÉÏ´ÎÎó²îÇó²î£¬&frac14;´Î¢·Ö¶ÔÏóÖµ //ÉÏ´ÎÎó²îµÈÓÚµ±Ç°Îó²î£¬±£´æÉÏÒ»´ÎµÄÆ«²î //===Ê&sup1;ÓÃλÖÃPIDËã·¨&sup1;«Ê&frac12;¸øPWM¸&sup3;Öµ£¬ÐèҪλÖÿìËÙ·´Ó¦£¬²ÉÓÃPDËã·¨£¬&frac14;´»ý·Ö²ÎÊýΪÁã //º¯Êý·µ»ØÖµÎªµ&sup1;Á¢°ÚλÖÿØÖÆPWMÖµ } /************************************************************************** º¯Êý&sup1;¦ÄÜ£ºÏÞÖÆPWM¸&sup3;Öµ Èë¿Ú²ÎÊý£ºÎÞ ·µ»Ø Öµ£ºÎÞ **************************************************************************/ void Xianfu_Pwm(void) { int Amplitude=6900; //===PWMÂú·ùÊÇ7200 ÏÞÖÆÔÚ6900 if(Moto<-Amplitude) Moto=-Amplitude; if(Moto>Amplitude) Moto=Amplitude; } /************************************************************************** º¯Êý&sup1;¦ÄÜ£ºÒì&sup3;£&sup1;رյç»ú Èë¿Ú²ÎÊý£ºµçÑ&sup1; ·µ»Ø Öµ£º1£ºÒì&sup30£ºÕý&sup3;£ **************************************************************************/ u8 Turn_Off(void) { u8 temp; if(Flag_Stop==1||(State==1 && (Angle_Balance<(ZHONGZHI-460)||Angle_Balance>(ZHONGZHI+460)))) //&sup1;رյç»ú { Flag_Stop=0; Way_Turn=0; Flag_qb2=0; Angle_Max=0; Position_Max=0; State=0; temp=1; TIM_SetCounter(TIM2,10000);//&sup3;õÊ&frac14;»¯&frac14;ÆÊýÆ÷&sup3;õÖµ } else { temp=0; } return temp; } void Encoder_App(void) { if(State == 0) //Æð°Úʱ²ÉÑùÈ¡3´ÎÇóÆ&frac12;&frac34;ù£¬5´ÎÖÜÆÚÌ«&sup3;¤ { Angle_Balance=Get_ADC(5); } if(State==1) { Angle_Balance=Get_ADC(20);//´Ë¿ØÖÆÖÜÆÚ²»ÐèÒªÄÇô¶Ì£¬Æð°Ú&sup3;É&sup1;¦ºó²ÉÑùÈ¡5´ÎÇóÆ&frac12;&frac34;ùÖµ£¬ } D_Angle_Balance= Angle_Balance-Last_Angle_Balance ; //===»ñȡ΢·ÖÖµ if (State == 0 && Way_Turn ==1) { if(Angle_Balance<(ZHONGZHI+200)&&Angle_Balance>(ZHONGZHI-200)) //µ&frac12;µ×&frac12;Ó&frac12;üÆ&frac12;ºâλÖà &frac14;´¿É¿ªÆôÆ&frac12;ºâϵÍ&sup3; { State=1; //µ&sup1;Á¢×´Ì¬ÖÃ1 Way_Turn=0;//×Ô¶¯Æð°Ú±êÖ&frac34;λÇåÁã Flag_qb=0; //×Ô¶¯Æð°Ú²&frac12;ÖèÇåÁã Angle_Max=0; Flag_Back=0; } } if(State==0) { Run(Way_Turn);//Æð°Ú ÓÉÈë¿Ú²ÎÊý¿ØÖÆ 1£º×Ô¶¯Æð°Ú 2£ºÊÖ¶¯Æð°Ú if(Turn_Off()==1) //°´ÏÂÍ£Ö&sup1;&frac14;üʱͣÖ&sup1;µç»ú { Moto_qb=0; } } if(State==1) //Æð°Ú&sup3;É&sup1;¦Ö®ºó£¬&frac12;øÐе&sup1;Á¢¿ØÖÆ { Balance_Pwm =balance_0(Angle_Balance); //¿ªÆôÆ&frac12;ºâ¿ØÖÆ if(Flag_qb2==0) //λÖÿØÖÆÑÓʱÆô¶¯ { if(Angle_Balance<(ZHONGZHI+200)&&Angle_Balance>(ZHONGZHI-200))Count_Position++; // if(Count_Position>20)Flag_qb2=1, Count_Position=0,TIM_SetCounter(TIM2,10000); //ÔÚÆ&frac12;ºâλÖõ&sup1;Á¢&sup3;¬&sup1300ms ¿ªÆôλÖÿØÖÆ } if(Flag_qb2==1) //¿ªÆôλÖÿØÖÆ { Encoder=TIM_GetCounter(TIM2); //===¸üбàÂëÆ÷λÖÃÐÅÏ¢ if(++Count_P2>=4) Position_Pwm=Position_0(Encoder),Count_P2=0; //===λÖÃPD¿ØÖÆ 25ms&frac12;øÐÐÒ»´ÎλÖÿØÖÆ } Moto=Balance_Pwm-Position_Pwm; //===&frac14;ÆËãµç»ú×îÖÕPWM Xianfu_Pwm(); //===PWMÏÞ·ù if(Turn_Off()==1) //°´ÏÂÍ£Ö&sup1;&frac14;ü»òÕßÇã&frac12;Ç&sup1;ý´ó±£»¤£¬µç»úÍ£Ö&sup1; { Moto=0; } if(Moto>7200) Moto=7200; if(Moto<-7200)Moto=-7200; Set_Pwm(Moto); //===¸&sup3;Öµ¸øPWM&frac14;Ä´æÆ÷ } Last_Angle_Balance=Angle_Balance; //===±£´æÉÏÒ»´ÎµÄÇã&frac12;ÇÖµ } 解释上述代码
最新发布
05-22
/** **************************************************************************************************** * @file usart.c * @author ÕýµãÔ­×ÓÍŶÓ(ALIENTEK) * @version V1.1 * @date 2023-06-05 * @brief ´®¿Ú&sup3;õÊ&frac14;»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§&sup3;Öprintf * @license Copyright (c) 2020-2032, &sup1;ãÖÝÊÐÐÇÒíµç×Ó¿Æ&frac14;&frac14;ÓÐÏÞ&sup1;«Ë&frac34; **************************************************************************************************** * @attention * * ʵÑéÆ&frac12;̨:ÕýµãÔ­×Ó Ì&frac12;Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * &frac14;&frac14;ÊõÂÛÌ&sup3;:www.openedv.com * &sup1;«Ë&frac34;ÍøÖ·:www.alientek.com * &sup1;ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²&frac14; * V1.1 20230605 * É&frac34;&sup3;ýUSART_UX_IRQHandler()º¯ÊýµÄ&sup3;¬Ê±´¦ÀíºÍÐÞ¸ÄHAL_UART_RxCpltCallback() **************************************************************************************************** */ #include "./SYSTEM/sys/sys.h" #include "./SYSTEM/usart/usart.h" /* Èç&sup1;ûÊ&sup1;ÓÃos,Ôò°üÀ¨ÏÂÃæµÄÍ·ÎÄ&frac14;þ&frac14;´¿É */ #if SYS_SUPPORT_OS #include "os.h" /* os Ê&sup1;Óà */ #endif /******************************************************************************************/ /* &frac14;ÓÈëÒÔÏ´úÂë, Ö§&sup3;Öprintfº¯Êý, ¶ø²»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* Ê&sup1;ÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ²ÎÊý¸ñÊ&frac12;£¬·ñÔò²¿·ÖÀý&sup3;Ì¿ÉÄÜ&sup3;öÏÖ°ëÖ÷»úÄ£Ê&frac12; */ #else /* Ê&sup1;ÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ ²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ #pragma import(__use_no_semihosting) struct __FILE { int handle; /* Whatever you require here. If the only file you are using is */ /* standard output using printf() for debugging, no file handling */ /* is required. */ }; #endif /* ²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12;£¬ÖÁÉÙÐèÒªÖØ¶¨Òå_ttywrch\_sys_exit\_sys_command_stringº¯Êý,ÒÔͬʱ&frac14;æÈÝAC6ºÍAC5Ä£Ê&frac12; */ int _ttywrch(int ch) { ch = ch; return ch; } /* ¶¨Òå_sys_exit()ÒÔ±ÜÃâÊ&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ void _sys_exit(int x) { x = x; } char *_sys_command_string(char *cmd, int len) { return NULL; } /* FILE ÔÚ stdio.hÀïÃæ¶¨Òå. */ FILE __stdout; /* ÖØ¶¨Òåfputcº¯Êý, printfº¯Êý×îÖÕ»áͨ&sup1;ýµ÷ÓÃfputcÊä&sup3;ö×Ö·û´®µ&frac12;´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê&sup3;É */ USART1->DR = (uint8_t)ch; /* &frac12;«Òª·¢Ë͵Ä×Ö·û ch дÈëµ&frac12;DR&frac14;Ä´æÆ÷ */ return ch; } #endif /***********************************************END*******************************************/ #if USART_EN_RX /* Èç&sup1;ûÊ&sup1;ÄÜÁË&frac12;ÓÊÕ */ /* &frac12;ÓÊÕ»º&sup3;å, ×î´óUSART_REC_LEN¸ö×Ö&frac12;Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* &frac12;ÓÊÕ״̬ * bit15£¬ &frac12;ÓÊÕÍê&sup3;ɱêÖ&frac34; * bit14£¬ &frac12;ÓÊÕµ&frac12;0x0d * bit13~0£¬ &frac12;ÓÊÕµ&frac12;µÄÓÐЧ×Ö&frac12;ÚÊýÄ¿ */ uint16_t g_usart_rx_sta = 0; uint8_t g_rx_buffer[RXBUFFERSIZE]; /* HAL¿âÊ&sup1;ÓõĴ®¿Ú&frac12;ÓÊÕ»º&sup3;å */ UART_HandleTypeDef g_uart1_handle; /* UART&frac34;ä±ú */ /** * @brief ´®¿ÚX&sup3;õÊ&frac14;»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù&frac34;Ý×Ô&frac14;ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂÊ&frac34;Í»áÉèÖÃÒì&sup3;£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒÑ&frac34;­ÉèÖÃ&sup1;ýÁË. * @retval ÎÞ */ void usart_init(uint32_t baudrate) { g_uart1_handle.Instance = USART_UX; /* USART1 */ g_uart1_handle.Init.BaudRate = baudrate; /* ²¨ÌØÂÊ */ g_uart1_handle.Init.WordLength = UART_WORDLENGTH_8B; /* ×Ö&sup3;¤Îª8λÊý&frac34;ݸñÊ&frac12; */ g_uart1_handle.Init.StopBits = UART_STOPBITS_1; /* Ò»¸öÍ£Ö&sup1;λ */ g_uart1_handle.Init.Parity = UART_PARITY_NONE; /* ÎÞÆæÅ&frac14;УÑéλ */ g_uart1_handle.Init.HwFlowCtl = UART_HWCONTROL_NONE; /* ÎÞÓ²&frac14;þÁ÷¿Ø */ g_uart1_handle.Init.Mode = UART_MODE_TX_RX; /* ÊÕ·¢Ä£Ê&frac12; */ HAL_UART_Init(&g_uart1_handle); /* HAL_UART_Init()»áÊ&sup1;ÄÜUART1 */ /* ¸Ãº¯Êý»á¿ªÆô&frac12;ÓÊÕÖжϣº±êÖ&frac34;λUART_IT_RXNE£¬²¢ÇÒÉèÖÃ&frac12;ÓÊÕ»º&sup3;åÒÔ&frac14;°&frac12;ÓÊÕ»º&sup3;å&frac12;ÓÊÕ×î´óÊý&frac34;ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã&sup3;õÊ&frac14;»¯º¯Êý * @param huart: UART&frac34;ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê&sup3;ÉʱÖÓÊ&sup1;ÄÜ£¬Òý&frac12;ÅÅäÖã¬ÖжÏÅäÖà * @retval ÎÞ */ void HAL_UART_MspInit(UART_HandleTypeDef *huart) { GPIO_InitTypeDef gpio_init_struct; if(huart->Instance == USART_UX) /* Èç&sup1;ûÊÇ´®¿Ú1£¬&frac12;øÐд®¿Ú1 MSP&sup3;õÊ&frac14;»¯ */ { USART_UX_CLK_ENABLE(); /* USART1 ʱÖÓÊ&sup1;ÄÜ */ USART_TX_GPIO_CLK_ENABLE(); /* ·¢ËÍÒý&frac12;ÅʱÖÓÊ&sup1;ÄÜ */ USART_RX_GPIO_CLK_ENABLE(); /* &frac12;ÓÊÕÒý&frac12;ÅʱÖÓÊ&sup1;ÄÜ */ gpio_init_struct.Pin = USART_TX_GPIO_PIN; /* TXÒý&frac12;Å */ gpio_init_struct.Mode = GPIO_MODE_AF_PP; /* ¸´ÓÃÍÆÍìÊä&sup3;ö */ gpio_init_struct.Pull = GPIO_PULLUP; /* ÉÏÀ­ */ gpio_init_struct.Speed = GPIO_SPEED_FREQ_HIGH; /* ¸ßËÙ */ gpio_init_struct.Alternate = USART_TX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_TX_GPIO_PORT, &gpio_init_struct); /* &sup3;õÊ&frac14;»¯·¢ËÍÒý&frac12;Å */ gpio_init_struct.Pin = USART_RX_GPIO_PIN; /* RXÒý&frac12;Å */ gpio_init_struct.Alternate = USART_RX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_RX_GPIO_PORT, &gpio_init_struct); /* &sup3;õÊ&frac14;»¯&frac12;ÓÊÕÒý&frac12;Å */ #if USART_EN_RX HAL_NVIC_EnableIRQ(USART_UX_IRQn); /* Ê&sup1;ÄÜUSART1ÖжÏͨµÀ */ HAL_NVIC_SetPriority(USART_UX_IRQn, 3, 3); /* ÇÀÕ&frac14;ÓÅÏÈ&frac14;¶3£¬×ÓÓÅÏÈ&frac14;¶3 */ #endif } } /** * @brief Rx´«Ê仨µ÷º¯Êý * @param huart: UART&frac34;ä±úÀàÐÍÖ¸Õë * @retval ÎÞ */ void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { if(huart->Instance == USART_UX) /* Èç&sup1;ûÊÇ´®¿Ú1 */ { if((g_usart_rx_sta & 0x8000) == 0) /* &frac12;ÓÊÕδÍê&sup3;É */ { if(g_usart_rx_sta & 0x4000) /* &frac12;ÓÊÕµ&frac12;ÁË0x0d */ { if(g_rx_buffer[0] != 0x0a) { g_usart_rx_sta = 0; /* &frac12;ÓÊÕ´íÎó,ÖØÐ¿ªÊ&frac14; */ } else { g_usart_rx_sta |= 0x8000; /* &frac12;ÓÊÕÍê&sup3;ÉÁË */ } } else /* »&sup1;ûÊÕµ&frac12;0X0D */ { if(g_rx_buffer[0] == 0x0d) { g_usart_rx_sta |= 0x4000; } else { g_usart_rx_buf[g_usart_rx_sta & 0X3FFF] = g_rx_buffer[0] ; g_usart_rx_sta++; if(g_usart_rx_sta > (USART_REC_LEN - 1)) { g_usart_rx_sta = 0; /* &frac12;ÓÊÕÊý&frac34;Ý´íÎó,ÖØÐ¿ªÊ&frac14;&frac12;ÓÊÕ */ } } } } HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } } /** * @brief ´®¿Ú1ÖжϷþÎñº¯Êý * @param ÎÞ * @retval ÎÞ */ void USART_UX_IRQHandler(void) { #if SYS_SUPPORT_OS /* Ê&sup1;ÓÃOS */ OSIntEnter(); #endif HAL_UART_IRQHandler(&g_uart1_handle); /* µ÷ÓÃHAL¿âÖжϴ¦Àí&sup1;«Óú¯Êý */ #if SYS_SUPPORT_OS /* Ê&sup1;ÓÃOS */ OSIntExit(); #endif } #endif /** **************************************************************************************************** * @file usart.c * @author ÕýµãÔ­×ÓÍŶÓ(ALIENTEK) * @version V1.1 * @date 2023-06-05 * @brief ´®¿Ú&sup3;õÊ&frac14;»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§&sup3;Öprintf * @license Copyright (c) 2020-2032, &sup1;ãÖÝÊÐÐÇÒíµç×Ó¿Æ&frac14;&frac14;ÓÐÏÞ&sup1;«Ë&frac34; **************************************************************************************************** * @attention * * ʵÑéÆ&frac12;̨:ÕýµãÔ­×Ó Ì&frac12;Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * &frac14;&frac14;ÊõÂÛÌ&sup3;:www.openedv.com * &sup1;«Ë&frac34;ÍøÖ·:www.alientek.com * &sup1;ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²&frac14; * V1.1 20230605 * É&frac34;&sup3;ýUSART_UX_IRQHandler()º¯ÊýµÄ&sup3;¬Ê±´¦ÀíºÍÐÞ¸ÄHAL_UART_RxCpltCallback() **************************************************************************************************** */ #include "./SYSTEM/sys/sys.h" #include "./SYSTEM/usart/usart.h" /* Èç&sup1;ûÊ&sup1;ÓÃos,Ôò°üÀ¨ÏÂÃæµÄÍ·ÎÄ&frac14;þ&frac14;´¿É */ #if SYS_SUPPORT_OS #include "os.h" /* os Ê&sup1;Óà */ #endif /******************************************************************************************/ /* &frac14;ÓÈëÒÔÏ´úÂë, Ö§&sup3;Öprintfº¯Êý, ¶ø²»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* Ê&sup1;ÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ²ÎÊý¸ñÊ&frac12;£¬·ñÔò²¿·ÖÀý&sup3;Ì¿ÉÄÜ&sup3;öÏÖ°ëÖ÷»úÄ£Ê&frac12; */ #else /* Ê&sup1;ÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ ²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ #pragma import(__use_no_semihosting) struct __FILE { int handle; /* Whatever you require here. If the only file you are using is */ /* standard output using printf() for debugging, no file handling */ /* is required. */ }; #endif /* ²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12;£¬ÖÁÉÙÐèÒªÖØ¶¨Òå_ttywrch\_sys_exit\_sys_command_stringº¯Êý,ÒÔͬʱ&frac14;æÈÝAC6ºÍAC5Ä£Ê&frac12; */ int _ttywrch(int ch) { ch = ch; return ch; } /* ¶¨Òå_sys_exit()ÒÔ±ÜÃâÊ&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ void _sys_exit(int x) { x = x; } char *_sys_command_string(char *cmd, int len) { return NULL; } /* FILE ÔÚ stdio.hÀïÃæ¶¨Òå. */ FILE __stdout; /* ÖØ¶¨Òåfputcº¯Êý, printfº¯Êý×îÖÕ»áͨ&sup1;ýµ÷ÓÃfputcÊä&sup3;ö×Ö·û´®µ&frac12;´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê&sup3;É */ USART1->DR = (uint8_t)ch; /* &frac12;«Òª·¢Ë͵Ä×Ö·û ch дÈëµ&frac12;DR&frac14;Ä´æÆ÷ */ return ch; } #endif /***********************************************END*******************************************/ #if USART_EN_RX /* Èç&sup1;ûÊ&sup1;ÄÜÁË&frac12;ÓÊÕ */ /* &frac12;ÓÊÕ»º&sup3;å, ×î´óUSART_REC_LEN¸ö×Ö&frac12;Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* &frac12;ÓÊÕ״̬ * bit15£¬ &frac12;ÓÊÕÍê&sup3;ɱêÖ&frac34; * bit14£¬ &frac12;ÓÊÕµ&frac12;0x0d * bit13~0£¬ &frac12;ÓÊÕµ&frac12;µÄÓÐЧ×Ö&frac12;ÚÊýÄ¿ */ uint16_t g_usart_rx_sta = 0; uint8_t g_rx_buffer[RXBUFFERSIZE]; /* HAL¿âÊ&sup1;ÓõĴ®¿Ú&frac12;ÓÊÕ»º&sup3;å */ UART_HandleTypeDef g_uart1_handle; /* UART&frac34;ä±ú */ /** * @brief ´®¿ÚX&sup3;õÊ&frac14;»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù&frac34;Ý×Ô&frac14;ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂÊ&frac34;Í»áÉèÖÃÒì&sup3;£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒÑ&frac34;­ÉèÖÃ&sup1;ýÁË. * @retval ÎÞ */ void usart_init(uint32_t baudrate) { g_uart1_handle.Instance = USART_UX; /* USART1 */ g_uart1_handle.Init.BaudRate = baudrate; /* ²¨ÌØÂÊ */ g_uart1_handle.Init.WordLength = UART_WORDLENGTH_8B; /* ×Ö&sup3;¤Îª8λÊý&frac34;ݸñÊ&frac12; */ g_uart1_handle.Init.StopBits = UART_STOPBITS_1; /* Ò»¸öÍ£Ö&sup1;λ */ g_uart1_handle.Init.Parity = UART_PARITY_NONE; /* ÎÞÆæÅ&frac14;УÑéλ */ g_uart1_handle.Init.HwFlowCtl = UART_HWCONTROL_NONE; /* ÎÞÓ²&frac14;þÁ÷¿Ø */ g_uart1_handle.Init.Mode = UART_MODE_TX_RX; /* ÊÕ·¢Ä£Ê&frac12; */ HAL_UART_Init(&g_uart1_handle); /* HAL_UART_Init()»áÊ&sup1;ÄÜUART1 */ /* ¸Ãº¯Êý»á¿ªÆô&frac12;ÓÊÕÖжϣº±êÖ&frac34;λUART_IT_RXNE£¬²¢ÇÒÉèÖÃ&frac12;ÓÊÕ»º&sup3;åÒÔ&frac14;°&frac12;ÓÊÕ»º&sup3;å&frac12;ÓÊÕ×î´óÊý&frac34;ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã&sup3;õÊ&frac14;»¯º¯Êý * @param huart: UART&frac34;ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê&sup3;ÉʱÖÓÊ&sup1;ÄÜ£¬Òý&frac12;ÅÅäÖã¬ÖжÏÅäÖà * @retval ÎÞ */ void HAL_UART_MspInit(UART_HandleTypeDef *huart) { GPIO_InitTypeDef gpio_init_struct; if(huart->Instance == USART_UX) /* Èç&sup1;ûÊÇ´®¿Ú1£¬&frac12;øÐд®¿Ú1 MSP&sup3;õÊ&frac14;»¯ */ { USART_UX_CLK_ENABLE(); /* USART1 ʱÖÓÊ&sup1;ÄÜ */ USART_TX_GPIO_CLK_ENABLE(); /* ·¢ËÍÒý&frac12;ÅʱÖÓÊ&sup1;ÄÜ */ USART_RX_GPIO_CLK_ENABLE(); /* &frac12;ÓÊÕÒý&frac12;ÅʱÖÓÊ&sup1;ÄÜ */ gpio_init_struct.Pin = USART_TX_GPIO_PIN; /* TXÒý&frac12;Å */ gpio_init_struct.Mode = GPIO_MODE_AF_PP; /* ¸´ÓÃÍÆÍìÊä&sup3;ö */ gpio_init_struct.Pull = GPIO_PULLUP; /* ÉÏÀ­ */ gpio_init_struct.Speed = GPIO_SPEED_FREQ_HIGH; /* ¸ßËÙ */ gpio_init_struct.Alternate = USART_TX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_TX_GPIO_PORT, &gpio_init_struct); /* &sup3;õÊ&frac14;»¯·¢ËÍÒý&frac12;Å */ gpio_init_struct.Pin = USART_RX_GPIO_PIN; /* RXÒý&frac12;Å */ gpio_init_struct.Alternate = USART_RX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_RX_GPIO_PORT, &gpio_init_struct); /* &sup3;õÊ&frac14;»¯&frac12;ÓÊÕÒý&frac12;Å */ #if USART_EN_RX HAL_NVIC_EnableIRQ(USART_UX_IRQn); /* Ê&sup1;ÄÜUSART1ÖжÏͨµÀ */ HAL_NVIC_SetPriority(USART_UX_IRQn, 3, 3); /* ÇÀÕ&frac14;ÓÅÏÈ&frac14;¶3£¬×ÓÓÅÏÈ&frac14;¶3 */ #endif } } /** * @brief Rx´«Ê仨µ÷º¯Êý * @param huart: UART&frac34;ä±úÀàÐÍÖ¸Õë * @retval ÎÞ */ void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { if(huart->Instance == USART_UX) /* Èç&sup1;ûÊÇ´®¿Ú1 */ { if((g_usart_rx_sta & 0x8000) == 0) /* &frac12;ÓÊÕδÍê&sup3;É */ { if(g_usart_rx_sta & 0x4000) /* &frac12;ÓÊÕµ&frac12;ÁË0x0d */ { if(g_rx_buffer[0] != 0x0a) { g_usart_rx_sta = 0; /* &frac12;ÓÊÕ´íÎó,ÖØÐ¿ªÊ&frac14; */ } else { g_usart_rx_sta |= 0x8000; /* &frac12;ÓÊÕÍê&sup3;ÉÁË */ } } else /* »&sup1;ûÊÕµ&frac12;0X0D */ { if(g_rx_buffer[0] == 0x0d) { g_usart_rx_sta |= 0x4000; } else { g_usart_rx_buf[g_usart_rx_sta & 0X3FFF] = g_rx_buffer[0] ; g_usart_rx_sta++; if(g_usart_rx_sta > (USART_REC_LEN - 1)) { g_usart_rx_sta = 0; /* &frac12;ÓÊÕÊý&frac34;Ý´íÎó,ÖØÐ¿ªÊ&frac14;&frac12;ÓÊÕ */ } } } } HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } } /** * @brief ´®¿Ú1ÖжϷþÎñº¯Êý * @param ÎÞ * @retval ÎÞ */ void USART_UX_IRQHandler(void) { #if SYS_SUPPORT_OS /* Ê&sup1;ÓÃOS */ OSIntEnter(); #endif HAL_UART_IRQHandler(&g_uart1_handle); /* µ÷ÓÃHAL¿âÖжϴ¦Àí&sup1;«Óú¯Êý */ #if SYS_SUPPORT_OS /* Ê&sup1;ÓÃOS */ OSIntExit(); #endif } #endif /** **************************************************************************************************** * @file usart.c * @author ÕýµãÔ­×ÓÍŶÓ(ALIENTEK) * @version V1.1 * @date 2023-06-05 * @brief ´®¿Ú&sup3;õÊ&frac14;»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§&sup3;Öprintf * @license Copyright (c) 2020-2032, &sup1;ãÖÝÊÐÐÇÒíµç×Ó¿Æ&frac14;&frac14;ÓÐÏÞ&sup1;«Ë&frac34; **************************************************************************************************** * @attention * * ʵÑéÆ&frac12;̨:ÕýµãÔ­×Ó Ì&frac12;Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * &frac14;&frac14;ÊõÂÛÌ&sup3;:www.openedv.com * &sup1;«Ë&frac34;ÍøÖ·:www.alientek.com * &sup1;ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²&frac14; * V1.1 20230605 * É&frac34;&sup3;ýUSART_UX_IRQHandler()º¯ÊýµÄ&sup3;¬Ê±´¦ÀíºÍÐÞ¸ÄHAL_UART_RxCpltCallback() **************************************************************************************************** */ #include "./SYSTEM/sys/sys.h" #include "./SYSTEM/usart/usart.h" /* Èç&sup1;ûÊ&sup1;ÓÃos,Ôò°üÀ¨ÏÂÃæµÄÍ·ÎÄ&frac14;þ&frac14;´¿É */ #if SYS_SUPPORT_OS #include "os.h" /* os Ê&sup1;Óà */ #endif /******************************************************************************************/ /* &frac14;ÓÈëÒÔÏ´úÂë, Ö§&sup3;Öprintfº¯Êý, ¶ø²»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* Ê&sup1;ÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ²ÎÊý¸ñÊ&frac12;£¬·ñÔò²¿·ÖÀý&sup3;Ì¿ÉÄÜ&sup3;öÏÖ°ëÖ÷»úÄ£Ê&frac12; */ #else /* Ê&sup1;ÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ ²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ #pragma import(__use_no_semihosting) struct __FILE { int handle; /* Whatever you require here. If the only file you are using is */ /* standard output using printf() for debugging, no file handling */ /* is required. */ }; #endif /* ²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12;£¬ÖÁÉÙÐèÒªÖØ¶¨Òå_ttywrch\_sys_exit\_sys_command_stringº¯Êý,ÒÔͬʱ&frac14;æÈÝAC6ºÍAC5Ä£Ê&frac12; */ int _ttywrch(int ch) { ch = ch; return ch; } /* ¶¨Òå_sys_exit()ÒÔ±ÜÃâÊ&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ void _sys_exit(int x) { x = x; } char *_sys_command_string(char *cmd, int len) { return NULL; } /* FILE ÔÚ stdio.hÀïÃæ¶¨Òå. */ FILE __stdout; /* ÖØ¶¨Òåfputcº¯Êý, printfº¯Êý×îÖÕ»áͨ&sup1;ýµ÷ÓÃfputcÊä&sup3;ö×Ö·û´®µ&frac12;´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê&sup3;É */ USART1->DR = (uint8_t)ch; /* &frac12;«Òª·¢Ë͵Ä×Ö·û ch дÈëµ&frac12;DR&frac14;Ä´æÆ÷ */ return ch; } #endif /***********************************************END*******************************************/ #if USART_EN_RX /* Èç&sup1;ûÊ&sup1;ÄÜÁË&frac12;ÓÊÕ */ /* &frac12;ÓÊÕ»º&sup3;å, ×î´óUSART_REC_LEN¸ö×Ö&frac12;Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* &frac12;ÓÊÕ״̬ * bit15£¬ &frac12;ÓÊÕÍê&sup3;ɱêÖ&frac34; * bit14£¬ &frac12;ÓÊÕµ&frac12;0x0d * bit13~0£¬ &frac12;ÓÊÕµ&frac12;µÄÓÐЧ×Ö&frac12;ÚÊýÄ¿ */ uint16_t g_usart_rx_sta = 0; uint8_t g_rx_buffer[RXBUFFERSIZE]; /* HAL¿âÊ&sup1;ÓõĴ®¿Ú&frac12;ÓÊÕ»º&sup3;å */ UART_HandleTypeDef g_uart1_handle; /* UART&frac34;ä±ú */ /** * @brief ´®¿ÚX&sup3;õÊ&frac14;»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù&frac34;Ý×Ô&frac14;ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂÊ&frac34;Í»áÉèÖÃÒì&sup3;£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒÑ&frac34;­ÉèÖÃ&sup1;ýÁË. * @retval ÎÞ */ void usart_init(uint32_t baudrate) { g_uart1_handle.Instance = USART_UX; /* USART1 */ g_uart1_handle.Init.BaudRate = baudrate; /* ²¨ÌØÂÊ */ g_uart1_handle.Init.WordLength = UART_WORDLENGTH_8B; /* ×Ö&sup3;¤Îª8λÊý&frac34;ݸñÊ&frac12; */ g_uart1_handle.Init.StopBits = UART_STOPBITS_1; /* Ò»¸öÍ£Ö&sup1;λ */ g_uart1_handle.Init.Parity = UART_PARITY_NONE; /* ÎÞÆæÅ&frac14;УÑéλ */ g_uart1_handle.Init.HwFlowCtl = UART_HWCONTROL_NONE; /* ÎÞÓ²&frac14;þÁ÷¿Ø */ g_uart1_handle.Init.Mode = UART_MODE_TX_RX; /* ÊÕ·¢Ä£Ê&frac12; */ HAL_UART_Init(&g_uart1_handle); /* HAL_UART_Init()»áÊ&sup1;ÄÜUART1 */ /* ¸Ãº¯Êý»á¿ªÆô&frac12;ÓÊÕÖжϣº±êÖ&frac34;λUART_IT_RXNE£¬²¢ÇÒÉèÖÃ&frac12;ÓÊÕ»º&sup3;åÒÔ&frac14;°&frac12;ÓÊÕ»º&sup3;å&frac12;ÓÊÕ×î´óÊý&frac34;ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã&sup3;õÊ&frac14;»¯º¯Êý * @param huart: UART&frac34;ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê&sup3;ÉʱÖÓÊ&sup1;ÄÜ£¬Òý&frac12;ÅÅäÖã¬ÖжÏÅäÖà * @retval ÎÞ */ void HAL_UART_MspInit(UART_HandleTypeDef *huart) { GPIO_InitTypeDef gpio_init_struct; if(huart->Instance == USART_UX) /* Èç&sup1;ûÊÇ´®¿Ú1£¬&frac12;øÐд®¿Ú1 MSP&sup3;õÊ&frac14;»¯ */ { USART_UX_CLK_ENABLE(); /* USART1 ʱÖÓÊ&sup1;ÄÜ */ USART_TX_GPIO_CLK_ENABLE(); /* ·¢ËÍÒý&frac12;ÅʱÖÓÊ&sup1;ÄÜ */ USART_RX_GPIO_CLK_ENABLE(); /* &frac12;ÓÊÕÒý&frac12;ÅʱÖÓÊ&sup1;ÄÜ */ gpio_init_struct.Pin = USART_TX_GPIO_PIN; /* TXÒý&frac12;Å */ gpio_init_struct.Mode = GPIO_MODE_AF_PP; /* ¸´ÓÃÍÆÍìÊä&sup3;ö */ gpio_init_struct.Pull = GPIO_PULLUP; /* ÉÏÀ­ */ gpio_init_struct.Speed = GPIO_SPEED_FREQ_HIGH; /* ¸ßËÙ */ gpio_init_struct.Alternate = USART_TX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_TX_GPIO_PORT, &gpio_init_struct); /* &sup3;õÊ&frac14;»¯·¢ËÍÒý&frac12;Å */ gpio_init_struct.Pin = USART_RX_GPIO_PIN; /* RXÒý&frac12;Å */ gpio_init_struct.Alternate = USART_RX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_RX_GPIO_PORT, &gpio_init_struct); /* &sup3;õÊ&frac14;»¯&frac12;ÓÊÕÒý&frac12;Å */ #if USART_EN_RX HAL_NVIC_EnableIRQ(USART_UX_IRQn); /* Ê&sup1;ÄÜUSART1ÖжÏͨµÀ */ HAL_NVIC_SetPriority(USART_UX_IRQn, 3, 3); /* ÇÀÕ&frac14;ÓÅÏÈ&frac14;¶3£¬×ÓÓÅÏÈ&frac14;¶3 */ #endif } } /** * @brief Rx´«Ê仨µ÷º¯Êý * @param huart: UART&frac34;ä±úÀàÐÍÖ¸Õë * @retval ÎÞ */ void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { if(huart->Instance == USART_UX) /* Èç&sup1;ûÊÇ´®¿Ú1 */ { if((g_usart_rx_sta & 0x8000) == 0) /* &frac12;ÓÊÕδÍê&sup3;É */ { if(g_usart_rx_sta & 0x4000) /* &frac12;ÓÊÕµ&frac12;ÁË0x0d */ { if(g_rx_buffer[0] != 0x0a) { g_usart_rx_sta = 0; /* &frac12;ÓÊÕ´íÎó,ÖØÐ¿ªÊ&frac14; */ } else { g_usart_rx_sta |= 0x8000; /* &frac12;ÓÊÕÍê&sup3;ÉÁË */ } } else /* »&sup1;ûÊÕµ&frac12;0X0D */ { if(g_rx_buffer[0] == 0x0d) { g_usart_rx_sta |= 0x4000; } else { g_usart_rx_buf[g_usart_rx_sta & 0X3FFF] = g_rx_buffer[0] ; g_usart_rx_sta++; if(g_usart_rx_sta > (USART_REC_LEN - 1)) { g_usart_rx_sta = 0; /* &frac12;ÓÊÕÊý&frac34;Ý´íÎó,ÖØÐ¿ªÊ&frac14;&frac12;ÓÊÕ */ } } } } HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } } /** * @brief ´®¿Ú1ÖжϷþÎñº¯Êý * @param ÎÞ * @retval ÎÞ */ void USART_UX_IRQHandler(void) { #if SYS_SUPPORT_OS /* Ê&sup1;ÓÃOS */ OSIntEnter(); #endif HAL_UART_IRQHandler(&g_uart1_handle); /* µ÷ÓÃHAL¿âÖжϴ¦Àí&sup1;«Óú¯Êý */ #if SYS_SUPPORT_OS /* Ê&sup1;ÓÃOS */ OSIntExit(); #endif } #endif /** **************************************************************************************************** * @file usart.c * @author ÕýµãÔ­×ÓÍŶÓ(ALIENTEK) * @version V1.1 * @date 2023-06-05 * @brief ´®¿Ú&sup3;õÊ&frac14;»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§&sup3;Öprintf * @license Copyright (c) 2020-2032, &sup1;ãÖÝÊÐÐÇÒíµç×Ó¿Æ&frac14;&frac14;ÓÐÏÞ&sup1;«Ë&frac34; **************************************************************************************************** * @attention * * ʵÑéÆ&frac12;̨:ÕýµãÔ­×Ó Ì&frac12;Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * &frac14;&frac14;ÊõÂÛÌ&sup3;:www.openedv.com * &sup1;«Ë&frac34;ÍøÖ·:www.alientek.com * &sup1;ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²&frac14; * V1.1 20230605 * É&frac34;&sup3;ýUSART_UX_IRQHandler()º¯ÊýµÄ&sup3;¬Ê±´¦ÀíºÍÐÞ¸ÄHAL_UART_RxCpltCallback() **************************************************************************************************** */ #include "./SYSTEM/sys/sys.h" #include "./SYSTEM/usart/usart.h" /* Èç&sup1;ûÊ&sup1;ÓÃos,Ôò°üÀ¨ÏÂÃæµÄÍ·ÎÄ&frac14;þ&frac14;´¿É */ #if SYS_SUPPORT_OS #include "os.h" /* os Ê&sup1;Óà */ #endif /******************************************************************************************/ /* &frac14;ÓÈëÒÔÏ´úÂë, Ö§&sup3;Öprintfº¯Êý, ¶ø²»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* Ê&sup1;ÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ²ÎÊý¸ñÊ&frac12;£¬·ñÔò²¿·ÖÀý&sup3;Ì¿ÉÄÜ&sup3;öÏÖ°ëÖ÷»úÄ£Ê&frac12; */ #else /* Ê&sup1;ÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ ²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ #pragma import(__use_no_semihosting) struct __FILE { int handle; /* Whatever you require here. If the only file you are using is */ /* standard output using printf() for debugging, no file handling */ /* is required. */ }; #endif /* ²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12;£¬ÖÁÉÙÐèÒªÖØ¶¨Òå_ttywrch\_sys_exit\_sys_command_stringº¯Êý,ÒÔͬʱ&frac14;æÈÝAC6ºÍAC5Ä£Ê&frac12; */ int _ttywrch(int ch) { ch = ch; return ch; } /* ¶¨Òå_sys_exit()ÒÔ±ÜÃâÊ&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ void _sys_exit(int x) { x = x; } char *_sys_command_string(char *cmd, int len) { return NULL; } /* FILE ÔÚ stdio.hÀïÃæ¶¨Òå. */ FILE __stdout; /* ÖØ¶¨Òåfputcº¯Êý, printfº¯Êý×îÖÕ»áͨ&sup1;ýµ÷ÓÃfputcÊä&sup3;ö×Ö·û´®µ&frac12;´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê&sup3;É */ USART1->DR = (uint8_t)ch; /* &frac12;«Òª·¢Ë͵Ä×Ö·û ch дÈëµ&frac12;DR&frac14;Ä´æÆ÷ */ return ch; } #endif /***********************************************END*******************************************/ #if USART_EN_RX /* Èç&sup1;ûÊ&sup1;ÄÜÁË&frac12;ÓÊÕ */ /* &frac12;ÓÊÕ»º&sup3;å, ×î´óUSART_REC_LEN¸ö×Ö&frac12;Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* &frac12;ÓÊÕ״̬ * bit15£¬ &frac12;ÓÊÕÍê&sup3;ɱêÖ&frac34; * bit14£¬ &frac12;ÓÊÕµ&frac12;0x0d * bit13~0£¬ &frac12;ÓÊÕµ&frac12;µÄÓÐЧ×Ö&frac12;ÚÊýÄ¿ */ uint16_t g_usart_rx_sta = 0; uint8_t g_rx_buffer[RXBUFFERSIZE]; /* HAL¿âÊ&sup1;ÓõĴ®¿Ú&frac12;ÓÊÕ»º&sup3;å */ UART_HandleTypeDef g_uart1_handle; /* UART&frac34;ä±ú */ /** * @brief ´®¿ÚX&sup3;õÊ&frac14;»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù&frac34;Ý×Ô&frac14;ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂÊ&frac34;Í»áÉèÖÃÒì&sup3;£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒÑ&frac34;­ÉèÖÃ&sup1;ýÁË. * @retval ÎÞ */ void usart_init(uint32_t baudrate) { g_uart1_handle.Instance = USART_UX; /* USART1 */ g_uart1_handle.Init.BaudRate = baudrate; /* ²¨ÌØÂÊ */ g_uart1_handle.Init.WordLength = UART_WORDLENGTH_8B; /* ×Ö&sup3;¤Îª8λÊý&frac34;ݸñÊ&frac12; */ g_uart1_handle.Init.StopBits = UART_STOPBITS_1; /* Ò»¸öÍ£Ö&sup1;λ */ g_uart1_handle.Init.Parity = UART_PARITY_NONE; /* ÎÞÆæÅ&frac14;УÑéλ */ g_uart1_handle.Init.HwFlowCtl = UART_HWCONTROL_NONE; /* ÎÞÓ²&frac14;þÁ÷¿Ø */ g_uart1_handle.Init.Mode = UART_MODE_TX_RX; /* ÊÕ·¢Ä£Ê&frac12; */ HAL_UART_Init(&g_uart1_handle); /* HAL_UART_Init()»áÊ&sup1;ÄÜUART1 */ /* ¸Ãº¯Êý»á¿ªÆô&frac12;ÓÊÕÖжϣº±êÖ&frac34;λUART_IT_RXNE£¬²¢ÇÒÉèÖÃ&frac12;ÓÊÕ»º&sup3;åÒÔ&frac14;°&frac12;ÓÊÕ»º&sup3;å&frac12;ÓÊÕ×î´óÊý&frac34;ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã&sup3;õÊ&frac14;»¯º¯Êý * @param huart: UART&frac34;ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê&sup3;ÉʱÖÓÊ&sup1;ÄÜ£¬Òý&frac12;ÅÅäÖã¬ÖжÏÅäÖà * @retval ÎÞ */ void HAL_UART_MspInit(UART_HandleTypeDef *huart) { GPIO_InitTypeDef gpio_init_struct; if(huart->Instance == USART_UX) /* Èç&sup1;ûÊÇ´®¿Ú1£¬&frac12;øÐд®¿Ú1 MSP&sup3;õÊ&frac14;»¯ */ { USART_UX_CLK_ENABLE(); /* USART1 ʱÖÓÊ&sup1;ÄÜ */ USART_TX_GPIO_CLK_ENABLE(); /* ·¢ËÍÒý&frac12;ÅʱÖÓÊ&sup1;ÄÜ */ USART_RX_GPIO_CLK_ENABLE(); /* &frac12;ÓÊÕÒý&frac12;ÅʱÖÓÊ&sup1;ÄÜ */ gpio_init_struct.Pin = USART_TX_GPIO_PIN; /* TXÒý&frac12;Å */ gpio_init_struct.Mode = GPIO_MODE_AF_PP; /* ¸´ÓÃÍÆÍìÊä&sup3;ö */ gpio_init_struct.Pull = GPIO_PULLUP; /* ÉÏÀ­ */ gpio_init_struct.Speed = GPIO_SPEED_FREQ_HIGH; /* ¸ßËÙ */ gpio_init_struct.Alternate = USART_TX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_TX_GPIO_PORT, &gpio_init_struct); /* &sup3;õÊ&frac14;»¯·¢ËÍÒý&frac12;Å */ gpio_init_struct.Pin = USART_RX_GPIO_PIN; /* RXÒý&frac12;Å */ gpio_init_struct.Alternate = USART_RX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_RX_GPIO_PORT, &gpio_init_struct); /* &sup3;õÊ&frac14;»¯&frac12;ÓÊÕÒý&frac12;Å */ #if USART_EN_RX HAL_NVIC_EnableIRQ(USART_UX_IRQn); /* Ê&sup1;ÄÜUSART1ÖжÏͨµÀ */ HAL_NVIC_SetPriority(USART_UX_IRQn, 3, 3); /* ÇÀÕ&frac14;ÓÅÏÈ&frac14;¶3£¬×ÓÓÅÏÈ&frac14;¶3 */ #endif } } /** * @brief Rx´«Ê仨µ÷º¯Êý * @param huart: UART&frac34;ä±úÀàÐÍÖ¸Õë * @retval ÎÞ */ void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { if(huart->Instance == USART_UX) /* Èç&sup1;ûÊÇ´®¿Ú1 */ { if((g_usart_rx_sta & 0x8000) == 0) /* &frac12;ÓÊÕδÍê&sup3;É */ { if(g_usart_rx_sta & 0x4000) /* &frac12;ÓÊÕµ&frac12;ÁË0x0d */ { if(g_rx_buffer[0] != 0x0a) { g_usart_rx_sta = 0; /* &frac12;ÓÊÕ´íÎó,ÖØÐ¿ªÊ&frac14; */ } else { g_usart_rx_sta |= 0x8000; /* &frac12;ÓÊÕÍê&sup3;ÉÁË */ } } else /* »&sup1;ûÊÕµ&frac12;0X0D */ { if(g_rx_buffer[0] == 0x0d) { g_usart_rx_sta |= 0x4000; } else { g_usart_rx_buf[g_usart_rx_sta & 0X3FFF] = g_rx_buffer[0] ; g_usart_rx_sta++; if(g_usart_rx_sta > (USART_REC_LEN - 1)) { g_usart_rx_sta = 0; /* &frac12;ÓÊÕÊý&frac34;Ý´íÎó,ÖØÐ¿ªÊ&frac14;&frac12;ÓÊÕ */ } } } } HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } } /** * @brief ´®¿Ú1ÖжϷþÎñº¯Êý * @param ÎÞ * @retval ÎÞ */ void USART_UX_IRQHandler(void) { #if SYS_SUPPORT_OS /* Ê&sup1;ÓÃOS */ OSIntEnter(); #endif HAL_UART_IRQHandler(&g_uart1_handle); /* µ÷ÓÃHAL¿âÖжϴ¦Àí&sup1;«Óú¯Êý */ #if SYS_SUPPORT_OS /* Ê&sup1;ÓÃOS */ OSIntExit(); #endif } #endif /** **************************************************************************************************** * @file usart.c * @author ÕýµãÔ­×ÓÍŶÓ(ALIENTEK) * @version V1.1 * @date 2023-06-05 * @brief ´®¿Ú&sup3;õÊ&frac14;»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§&sup3;Öprintf * @license Copyright (c) 2020-2032, &sup1;ãÖÝÊÐÐÇÒíµç×Ó¿Æ&frac14;&frac14;ÓÐÏÞ&sup1;«Ë&frac34; **************************************************************************************************** * @attention * * ʵÑéÆ&frac12;̨:ÕýµãÔ­×Ó Ì&frac12;Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * &frac14;&frac14;ÊõÂÛÌ&sup3;:www.openedv.com * &sup1;«Ë&frac34;ÍøÖ·:www.alientek.com * &sup1;ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²&frac14; * V1.1 20230605 * É&frac34;&sup3;ýUSART_UX_IRQHandler()º¯ÊýµÄ&sup3;¬Ê±´¦ÀíºÍÐÞ¸ÄHAL_UART_RxCpltCallback() **************************************************************************************************** */ #include "./SYSTEM/sys/sys.h" #include "./SYSTEM/usart/usart.h" /* Èç&sup1;ûÊ&sup1;ÓÃos,Ôò°üÀ¨ÏÂÃæµÄÍ·ÎÄ&frac14;þ&frac14;´¿É */ #if SYS_SUPPORT_OS #include "os.h" /* os Ê&sup1;Óà */ #endif /******************************************************************************************/ /* &frac14;ÓÈëÒÔÏ´úÂë, Ö§&sup3;Öprintfº¯Êý, ¶ø²»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* Ê&sup1;ÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ²ÎÊý¸ñÊ&frac12;£¬·ñÔò²¿·ÖÀý&sup3;Ì¿ÉÄÜ&sup3;öÏÖ°ëÖ÷»úÄ£Ê&frac12; */ #else /* Ê&sup1;ÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ ²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ #pragma import(__use_no_semihosting) struct __FILE { int handle; /* Whatever you require here. If the only file you are using is */ /* standard output using printf() for debugging, no file handling */ /* is required. */ }; #endif /* ²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12;£¬ÖÁÉÙÐèÒªÖØ¶¨Òå_ttywrch\_sys_exit\_sys_command_stringº¯Êý,ÒÔͬʱ&frac14;æÈÝAC6ºÍAC5Ä£Ê&frac12; */ int _ttywrch(int ch) { ch = ch; return ch; } /* ¶¨Òå_sys_exit()ÒÔ±ÜÃâÊ&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ void _sys_exit(int x) { x = x; } char *_sys_command_string(char *cmd, int len) { return NULL; } /* FILE ÔÚ stdio.hÀïÃæ¶¨Òå. */ FILE __stdout; /* ÖØ¶¨Òåfputcº¯Êý, printfº¯Êý×îÖÕ»áͨ&sup1;ýµ÷ÓÃfputcÊä&sup3;ö×Ö·û´®µ&frac12;´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê&sup3;É */ USART1->DR = (uint8_t)ch; /* &frac12;«Òª·¢Ë͵Ä×Ö·û ch дÈëµ&frac12;DR&frac14;Ä´æÆ÷ */ return ch; } #endif /***********************************************END*******************************************/ #if USART_EN_RX /* Èç&sup1;ûÊ&sup1;ÄÜÁË&frac12;ÓÊÕ */ /* &frac12;ÓÊÕ»º&sup3;å, ×î´óUSART_REC_LEN¸ö×Ö&frac12;Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* &frac12;ÓÊÕ״̬ * bit15£¬ &frac12;ÓÊÕÍê&sup3;ɱêÖ&frac34; * bit14£¬ &frac12;ÓÊÕµ&frac12;0x0d * bit13~0£¬ &frac12;ÓÊÕµ&frac12;µÄÓÐЧ×Ö&frac12;ÚÊýÄ¿ */ uint16_t g_usart_rx_sta = 0; uint8_t g_rx_buffer[RXBUFFERSIZE]; /* HAL¿âÊ&sup1;ÓõĴ®¿Ú&frac12;ÓÊÕ»º&sup3;å */ UART_HandleTypeDef g_uart1_handle; /* UART&frac34;ä±ú */ /** * @brief ´®¿ÚX&sup3;õÊ&frac14;»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù&frac34;Ý×Ô&frac14;ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂÊ&frac34;Í»áÉèÖÃÒì&sup3;£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒÑ&frac34;­ÉèÖÃ&sup1;ýÁË. * @retval ÎÞ */ void usart_init(uint32_t baudrate) { g_uart1_handle.Instance = USART_UX; /* USART1 */ g_uart1_handle.Init.BaudRate = baudrate; /* ²¨ÌØÂÊ */ g_uart1_handle.Init.WordLength = UART_WORDLENGTH_8B; /* ×Ö&sup3;¤Îª8λÊý&frac34;ݸñÊ&frac12; */ g_uart1_handle.Init.StopBits = UART_STOPBITS_1; /* Ò»¸öÍ£Ö&sup1;λ */ g_uart1_handle.Init.Parity = UART_PARITY_NONE; /* ÎÞÆæÅ&frac14;УÑéλ */ g_uart1_handle.Init.HwFlowCtl = UART_HWCONTROL_NONE; /* ÎÞÓ²&frac14;þÁ÷¿Ø */ g_uart1_handle.Init.Mode = UART_MODE_TX_RX; /* ÊÕ·¢Ä£Ê&frac12; */ HAL_UART_Init(&g_uart1_handle); /* HAL_UART_Init()»áÊ&sup1;ÄÜUART1 */ /* ¸Ãº¯Êý»á¿ªÆô&frac12;ÓÊÕÖжϣº±êÖ&frac34;λUART_IT_RXNE£¬²¢ÇÒÉèÖÃ&frac12;ÓÊÕ»º&sup3;åÒÔ&frac14;°&frac12;ÓÊÕ»º&sup3;å&frac12;ÓÊÕ×î´óÊý&frac34;ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã&sup3;õÊ&frac14;»¯º¯Êý * @param huart: UART&frac34;ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê&sup3;ÉʱÖÓÊ&sup1;ÄÜ£¬Òý&frac12;ÅÅäÖã¬ÖжÏÅäÖà * @retval ÎÞ */ void HAL_UART_MspInit(UART_HandleTypeDef *huart) { GPIO_InitTypeDef gpio_init_struct; if(huart->Instance == USART_UX) /* Èç&sup1;ûÊÇ´®¿Ú1£¬&frac12;øÐд®¿Ú1 MSP&sup3;õÊ&frac14;»¯ */ { USART_UX_CLK_ENABLE(); /* USART1 ʱÖÓÊ&sup1;ÄÜ */ USART_TX_GPIO_CLK_ENABLE(); /* ·¢ËÍÒý&frac12;ÅʱÖÓÊ&sup1;ÄÜ */ USART_RX_GPIO_CLK_ENABLE(); /* &frac12;ÓÊÕÒý&frac12;ÅʱÖÓÊ&sup1;ÄÜ */ gpio_init_struct.Pin = USART_TX_GPIO_PIN; /* TXÒý&frac12;Å */ gpio_init_struct.Mode = GPIO_MODE_AF_PP; /* ¸´ÓÃÍÆÍìÊä&sup3;ö */ gpio_init_struct.Pull = GPIO_PULLUP; /* ÉÏÀ­ */ gpio_init_struct.Speed = GPIO_SPEED_FREQ_HIGH; /* ¸ßËÙ */ gpio_init_struct.Alternate = USART_TX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_TX_GPIO_PORT, &gpio_init_struct); /* &sup3;õÊ&frac14;»¯·¢ËÍÒý&frac12;Å */ gpio_init_struct.Pin = USART_RX_GPIO_PIN; /* RXÒý&frac12;Å */ gpio_init_struct.Alternate = USART_RX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_RX_GPIO_PORT, &gpio_init_struct); /* &sup3;õÊ&frac14;»¯&frac12;ÓÊÕÒý&frac12;Å */ #if USART_EN_RX HAL_NVIC_EnableIRQ(USART_UX_IRQn); /* Ê&sup1;ÄÜUSART1ÖжÏͨµÀ */ HAL_NVIC_SetPriority(USART_UX_IRQn, 3, 3); /* ÇÀÕ&frac14;ÓÅÏÈ&frac14;¶3£¬×ÓÓÅÏÈ&frac14;¶3 */ #endif } } /** * @brief Rx´«Ê仨µ÷º¯Êý * @param huart: UART&frac34;ä±úÀàÐÍÖ¸Õë * @retval ÎÞ */ void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { if(huart->Instance == USART_UX) /* Èç&sup1;ûÊÇ´®¿Ú1 */ { if((g_usart_rx_sta & 0x8000) == 0) /* &frac12;ÓÊÕδÍê&sup3;É */ { if(g_usart_rx_sta & 0x4000) /* &frac12;ÓÊÕµ&frac12;ÁË0x0d */ { if(g_rx_buffer[0] != 0x0a) { g_usart_rx_sta = 0; /* &frac12;ÓÊÕ´íÎó,ÖØÐ¿ªÊ&frac14; */ } else { g_usart_rx_sta |= 0x8000; /* &frac12;ÓÊÕÍê&sup3;ÉÁË */ } } else /* »&sup1;ûÊÕµ&frac12;0X0D */ { if(g_rx_buffer[0] == 0x0d) { g_usart_rx_sta |= 0x4000; } else { g_usart_rx_buf[g_usart_rx_sta & 0X3FFF] = g_rx_buffer[0] ; g_usart_rx_sta++; if(g_usart_rx_sta > (USART_REC_LEN - 1)) { g_usart_rx_sta = 0; /* &frac12;ÓÊÕÊý&frac34;Ý´íÎó,ÖØÐ¿ªÊ&frac14;&frac12;ÓÊÕ */ } } } } HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } } /** * @brief ´®¿Ú1ÖжϷþÎñº¯Êý * @param ÎÞ * @retval ÎÞ */ void USART_UX_IRQHandler(void) { #if SYS_SUPPORT_OS /* Ê&sup1;ÓÃOS */ OSIntEnter(); #endif HAL_UART_IRQHandler(&g_uart1_handle); /* µ÷ÓÃHAL¿âÖжϴ¦Àí&sup1;«Óú¯Êý */ #if SYS_SUPPORT_OS /* Ê&sup1;ÓÃOS */ OSIntExit(); #endif } #endif /** **************************************************************************************************** * @file usart.c * @author ÕýµãÔ­×ÓÍŶÓ(ALIENTEK) * @version V1.1 * @date 2023-06-05 * @brief ´®¿Ú&sup3;õÊ&frac14;»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§&sup3;Öprintf * @license Copyright (c) 2020-2032, &sup1;ãÖÝÊÐÐÇÒíµç×Ó¿Æ&frac14;&frac14;ÓÐÏÞ&sup1;«Ë&frac34; **************************************************************************************************** * @attention * * ʵÑéÆ&frac12;̨:ÕýµãÔ­×Ó Ì&frac12;Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * &frac14;&frac14;ÊõÂÛÌ&sup3;:www.openedv.com * &sup1;«Ë&frac34;ÍøÖ·:www.alientek.com * &sup1;ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²&frac14; * V1.1 20230605 * É&frac34;&sup3;ýUSART_UX_IRQHandler()º¯ÊýµÄ&sup3;¬Ê±´¦ÀíºÍÐÞ¸ÄHAL_UART_RxCpltCallback() **************************************************************************************************** */ #include "./SYSTEM/sys/sys.h" #include "./SYSTEM/usart/usart.h" /* Èç&sup1;ûÊ&sup1;ÓÃos,Ôò°üÀ¨ÏÂÃæµÄÍ·ÎÄ&frac14;þ&frac14;´¿É */ #if SYS_SUPPORT_OS #include "os.h" /* os Ê&sup1;Óà */ #endif /******************************************************************************************/ /* &frac14;ÓÈëÒÔÏ´úÂë, Ö§&sup3;Öprintfº¯Êý, ¶ø²»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* Ê&sup1;ÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ²ÎÊý¸ñÊ&frac12;£¬·ñÔò²¿·ÖÀý&sup3;Ì¿ÉÄÜ&sup3;öÏÖ°ëÖ÷»úÄ£Ê&frac12; */ #else /* Ê&sup1;ÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ ²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ #pragma import(__use_no_semihosting) struct __FILE { int handle; /* Whatever you require here. If the only file you are using is */ /* standard output using printf() for debugging, no file handling */ /* is required. */ }; #endif /* ²»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12;£¬ÖÁÉÙÐèÒªÖØ¶¨Òå_ttywrch\_sys_exit\_sys_command_stringº¯Êý,ÒÔͬʱ&frac14;æÈÝAC6ºÍAC5Ä£Ê&frac12; */ int _ttywrch(int ch) { ch = ch; return ch; } /* ¶¨Òå_sys_exit()ÒÔ±ÜÃâÊ&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ void _sys_exit(int x) { x = x; } char *_sys_command_string(char *cmd, int len) { return NULL; } /* FILE ÔÚ stdio.hÀïÃæ¶¨Òå. */ FILE __stdout; /* ÖØ¶¨Òåfputcº¯Êý, printfº¯Êý×îÖÕ»áͨ&sup1;ýµ÷ÓÃfputcÊä&sup3;ö×Ö·û´®µ&frac12;´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê&sup3;É */ USART1->DR = (uint8_t)ch; /* &frac12;«Òª·¢Ë͵Ä×Ö·û ch дÈëµ&frac12;DR&frac14;Ä´æÆ÷ */ return ch; } #endif /***********************************************END*******************************************/ #if USART_EN_RX /* Èç&sup1;ûÊ&sup1;ÄÜÁË&frac12;ÓÊÕ */ /* &frac12;ÓÊÕ»º&sup3;å, ×î´óUSART_REC_LEN¸ö×Ö&frac12;Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* &frac12;ÓÊÕ״̬ * bit15£¬ &frac12;ÓÊÕÍê&sup3;ɱêÖ&frac34; * bit14£¬ &frac12;ÓÊÕµ&frac12;0x0d * bit13~0£¬ &frac12;ÓÊÕµ&frac12;µÄÓÐЧ×Ö&frac12;ÚÊýÄ¿ */ uint16_t g_usart_rx_sta = 0; uint8_t g_rx_buffer[RXBUFFERSIZE]; /* HAL¿âÊ&sup1;ÓõĴ®¿Ú&frac12;ÓÊÕ»º&sup3;å */ UART_HandleTypeDef g_uart1_handle; /* UART&frac34;ä±ú */ /** * @brief ´®¿ÚX&sup3;õÊ&frac14;»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù&frac34;Ý×Ô&frac14;ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂÊ&frac34;Í»áÉèÖÃÒì&sup3;£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒÑ&frac34;­ÉèÖÃ&sup1;ýÁË. * @retval ÎÞ */ void usart_init(uint32_t baudrate) { g_uart1_handle.Instance = USART_UX; /* USART1 */ g_uart1_handle.Init.BaudRate = baudrate; /* ²¨ÌØÂÊ */ g_uart1_handle.Init.WordLength = UART_WORDLENGTH_8B; /* ×Ö&sup3;¤Îª8λÊý&frac34;ݸñÊ&frac12; */ g_uart1_handle.Init.StopBits = UART_STOPBITS_1; /* Ò»¸öÍ£Ö&sup1;λ */ g_uart1_handle.Init.Parity = UART_PARITY_NONE; /* ÎÞÆæÅ&frac14;УÑéλ */ g_uart1_handle.Init.HwFlowCtl = UART_HWCONTROL_NONE; /* ÎÞÓ²&frac14;þÁ÷¿Ø */ g_uart1_handle.Init.Mode = UART_MODE_TX_RX; /* ÊÕ·¢Ä£Ê&frac12; */ HAL_UART_Init(&g_uart1_handle); /* HAL_UART_Init()»áÊ&sup1;ÄÜUART1 */ /* ¸Ãº¯Êý»á¿ªÆô&frac12;ÓÊÕÖжϣº±êÖ&frac34;λUART_IT_RXNE£¬²¢ÇÒÉèÖÃ&frac12;ÓÊÕ»º&sup3;åÒÔ&frac14;°&frac12;ÓÊÕ»º&sup3;å&frac12;ÓÊÕ×î´óÊý&frac34;ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã&sup3;õÊ&frac14;»¯º¯Êý * @param huart: UART&frac34;ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê&sup3;ÉʱÖÓÊ&sup1;ÄÜ£¬Òý&frac12;ÅÅäÖã¬ÖжÏÅäÖà * @retval ÎÞ */ void HAL_UART_MspInit(UART_HandleTypeDef *huart) { GPIO_InitTypeDef gpio_init_struct; if(huart->Instance == USART_UX) /* Èç&sup1;ûÊÇ´®¿Ú1£¬&frac12;øÐд®¿Ú1 MSP&sup3;õÊ&frac14;»¯ */ { USART_UX_CLK_ENABLE(); /* USART1 ʱÖÓÊ&sup1;ÄÜ */ USART_TX_GPIO_CLK_ENABLE(); /* ·¢ËÍÒý&frac12;ÅʱÖÓÊ&sup1;ÄÜ */ USART_RX_GPIO_CLK_ENABLE(); /* &frac12;ÓÊÕÒý&frac12;ÅʱÖÓÊ&sup1;ÄÜ */ gpio_init_struct.Pin = USART_TX_GPIO_PIN; /* TXÒý&frac12;Å */ gpio_init_struct.Mode = GPIO_MODE_AF_PP; /* ¸´ÓÃÍÆÍìÊä&sup3;ö */ gpio_init_struct.Pull = GPIO_PULLUP; /* ÉÏÀ­ */ gpio_init_struct.Speed = GPIO_SPEED_FREQ_HIGH; /* ¸ßËÙ */ gpio_init_struct.Alternate = USART_TX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_TX_GPIO_PORT, &gpio_init_struct); /* &sup3;õÊ&frac14;»¯·¢ËÍÒý&frac12;Å */ gpio_init_struct.Pin = USART_RX_GPIO_PIN; /* RXÒý&frac12;Å */ gpio_init_struct.Alternate = USART_RX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_RX_GPIO_PORT, &gpio_init_struct); /* &sup3;õÊ&frac14;»¯&frac12;ÓÊÕÒý&frac12;Å */ #if USART_EN_RX HAL_NVIC_EnableIRQ(USART_UX_IRQn); /* Ê&sup1;ÄÜUSART1ÖжÏͨµÀ */ HAL_NVIC_SetPriority(USART_UX_IRQn, 3, 3); /* ÇÀÕ&frac14;ÓÅÏÈ&frac14;¶3£¬×ÓÓÅÏÈ&frac14;¶3 */ #endif } } /** * @brief Rx´«Ê仨µ÷º¯Êý * @param huart: UART&frac34;ä±úÀàÐÍÖ¸Õë * @retval ÎÞ */ void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { if(huart->Instance == USART_UX) /* Èç&sup1;ûÊÇ´®¿Ú1 */ { if((g_usart_rx_sta & 0x8000) == 0) /* &frac12;ÓÊÕδÍê&sup3;É */ { if(g_usart_rx_sta & 0x4000) /* &frac12;ÓÊÕµ&frac12;ÁË0x0d */ { if(g_rx_buffer[0] != 0x0a) { g_usart_rx_sta = 0; /* &frac12;ÓÊÕ´íÎó,ÖØÐ¿ªÊ&frac14; */ } else { g_usart_rx_sta |= 0x8000; /* &frac12;ÓÊÕÍê&sup3;ÉÁË */ } } else /* »&sup1;ûÊÕµ&frac12;0X0D */ { if(g_rx_buffer[0] == 0x0d) { g_usart_rx_sta |= 0x4000; } else { g_usart_rx_buf[g_usart_rx_sta & 0X3FFF] = g_rx_buffer[0] ; g_usart_rx_sta++; if(g_usart_rx_sta > (USART_REC_LEN - 1)) { g_usart_rx_sta = 0; /* &frac12;ÓÊÕÊý&frac34;Ý´íÎó,ÖØÐ¿ªÊ&frac14;&frac12;ÓÊÕ */ } } } } HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } } /** * @brief ´®¿Ú1ÖжϷþÎñº¯Êý * @param ÎÞ * @retval ÎÞ */ void USART_UX_IRQHandler(void) { #if SYS_SUPPORT_OS /* Ê&sup1;ÓÃOS */ OSIntEnter(); #endif HAL_UART_IRQHandler(&g_uart1_handle); /* µ÷ÓÃHAL¿âÖжϴ¦Àí&sup1;«Óú¯Êý */ #if SYS_SUPPORT_OS /* Ê&sup1;ÓÃOS */ OSIntExit(); #endif } #endif (我要使输入的在LCD上面显示应该怎么做)
05-21
#include "dcmi_ov2640.h" #include "dcmi_ov2640_cfg.h" DCMI_HandleTypeDef hdcmi; // DCMI&frac34;ä±ú DMA_HandleTypeDef DMA_Handle_dcmi; // DMA&frac34;ä±ú volatile uint8_t DCMI_FrameState = 0; // DCMI״̬±êÖ&frac34;£¬µ±Êý&frac34;ÝÖ¡´«ÊäÍê&sup3;Éʱ£¬»á±» HAL_DCMI_FrameEventCallback() Öжϻص÷º¯ÊýÖà 1 volatile uint8_t OV2640_FPS ; // Ö¡ÂÊ /************************************************************************************************* * º¯ Êý Ãû: HAL_DCMI_MspInit * Èë¿Ú²ÎÊý: hdcmi - DCMI_HandleTypeDef¶¨ÒåµÄ±äÁ¿£¬&frac14;´±íÊ&frac34;¶¨ÒåµÄ DCMI &frac34;ä±ú * ·µ »Ø Öµ: ÎÞ * º¯Êý&sup1;¦ÄÜ: &sup3;õÊ&frac14;»¯ DCMI Òý&frac12;Å * ˵ Ã÷: ÎÞ *************************************************************************************************/ void HAL_DCMI_MspInit(DCMI_HandleTypeDef* hdcmi) { GPIO_InitTypeDef GPIO_InitStruct = {0}; if(hdcmi->Instance==DCMI) { __HAL_RCC_DCMI_CLK_ENABLE(); // Ê&sup1;ÄÜ DCMI ÍâÉèʱÖÓ __HAL_RCC_GPIOE_CLK_ENABLE(); // Ê&sup1;ÄÜÏàÓ¦µÄGPIOʱÖÓ __HAL_RCC_GPIOA_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOG_CLK_ENABLE(); GPIO_OV2640_PWDN_CLK_ENABLE; // Ê&sup1;ÄÜPWDN Òý&frac12;ÅµÄ GPIO ʱÖÓ /**************************************************************************** Êý&frac34;ÝÒý&frac12;ŠʱÖÓºÍͬ²&frac12;Òý&frac12;Å PH9 ------> DCMI_D0 PG9 ------> DCMI_VSYNC PH10 ------> DCMI_D1 PH8 ------> DCMI_HSYNC PH11 ------> DCMI_D2 PA6 ------> DCMI_PIXCLK PH12 ------> DCMI_D3 PH14 ------> DCMI_D4 SCCB ¿ØÖÆÒý&frac12;Å£¬&sup3;õÊ&frac14;»¯ÔÚ camera_sccb.c ÎÄ&frac14;þ PD3 ------> DCMI_D5 PH7 ------> SCCB_SCL PE5 ------> DCMI_D6 PH13 ------> SCCB_SDA PE6 ------> DCMI_D7 µôµç¿ØÖÆÒý&frac12;Å PH15 ------> PWDN ******************************************************************************/ GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF13_DCMI; HAL_GPIO_Init(GPIOE, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_6; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF13_DCMI; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF13_DCMI; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_3; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF13_DCMI; HAL_GPIO_Init(GPIOD, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF13_DCMI; HAL_GPIO_Init(GPIOG, &GPIO_InitStruct); // &sup3;õÊ&frac14;»¯ PWDN Òý&frac12;Å OV2640_PWDN_ON; // ¸ßµçÆ&frac12;£¬&frac12;øÈëµôµçÄ£Ê&frac12;£¬ÉãÏñÍ·Í£Ö&sup1;&sup1;¤×÷£¬´Ëʱ&sup1;¦ºÄ&frac12;µµ&frac12;×îµÍ GPIO_InitStruct.Pin = OV2640_PWDN_PIN; // PWDN Òý&frac12;Å GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; // ÍÆÍìÊä&sup3;öÄ£Ê&frac12; GPIO_InitStruct.Pull = GPIO_PULLUP; // ÉÏÀ­ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; // ËٶȵÈ&frac14;¶µÍ HAL_GPIO_Init(OV2640_PWDN_PORT, &GPIO_InitStruct); // &sup3;õÊ&frac14;»¯ } } /*************************************************************************************************************************************** * º¯ Êý Ãû: MX_DCMI_Init * * º¯Êý&sup1;¦ÄÜ: ÅäÖÃDCMIÏà&sup1;زÎÊý * * ˵ Ã÷: 8λÊý&frac34;ÝÄ£Ê&frac12;£¬È«Êý&frac34;Ý¡¢È«Ö¡²¶×&frac12;£¬¿ªÆôÖÐ¶Ï * *****************************************************************************************************************************************/ void MX_DCMI_Init(void) { hdcmi.Instance = DCMI; hdcmi.Init.SynchroMode = DCMI_SYNCHRO_HARDWARE; // Ó²&frac14;þͬ²&frac12;Ä£Ê&frac12;£¬&frac14;´Ê&sup1;ÓÃÍⲿµÄVS¡¢HSÐźÅ&frac12;øÐÐͬ²&frac12; hdcmi.Init.PCKPolarity = DCMI_PCKPOLARITY_RISING; // ÏñËØÊ±ÖÓÉÏÉýÑØÓÐЧ hdcmi.Init.VSPolarity = DCMI_VSPOLARITY_LOW; // VSµÍµçÆ&frac12;ÓÐЧ hdcmi.Init.HSPolarity = DCMI_HSPOLARITY_LOW; // HSµÍµçÆ&frac12;ÓÐЧ hdcmi.Init.CaptureRate = DCMI_CR_ALL_FRAME; // ²¶»ñµÈ&frac14;¶£¬ÉèÖÃÿһ֡¶&frac14;&frac12;øÐв¶»ñ hdcmi.Init.ExtendedDataMode = DCMI_EXTEND_DATA_8B; // 8λÊý&frac34;ÝÄ£Ê&frac12; hdcmi.Init.JPEGMode = DCMI_JPEG_DISABLE; // ²»Ê&sup1;ÓÃDCMIµÄJPEGÄ£Ê&frac12; hdcmi.Init.ByteSelectMode = DCMI_BSM_ALL; // DCMI&frac12;Ó¿Ú²¶×&frac12;ËùÓÐÊý&frac34;Ý hdcmi.Init.ByteSelectStart = DCMI_OEBS_ODD; // Ñ¡Ôñ¿ªÊ&frac14;×Ö&frac12;Ú£¬´Ó Ö¡/ÐÐ µÄµÚÒ»¸öÊý&frac34;Ý¿ªÊ&frac14;²¶»ñ hdcmi.Init.LineSelectMode = DCMI_LSM_ALL; // ²¶»ñËùÓÐÐÐ hdcmi.Init.LineSelectStart = DCMI_OELS_ODD; // Ñ¡Ôñ¿ªÊ&frac14;ÐÐ,ÔÚÖ¡¿ªÊ&frac14;ºó²¶»ñµÚÒ»ÐÐ HAL_DCMI_Init(&hdcmi) ; HAL_NVIC_SetPriority(DCMI_IRQn, 0 ,5); // ÉèÖÃÖжÏÓÅÏÈ&frac14;¶ HAL_NVIC_EnableIRQ(DCMI_IRQn); // ¿ªÆôDCMIÖÐ¶Ï //// ÔÚJPGÄ£Ê&frac12;Ï£¬Ò»¶¨Òªµ¥¶ÀÊ&sup1;ÄܸÃÖÐ¶Ï // __HAL_DCMI_ENABLE_IT(&hdcmi, DCMI_IT_FRAME); // Ê&sup1;ÄÜ FRAME ÖÐ¶Ï } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_DMA_Init * * º¯Êý&sup1;¦ÄÜ: ÅäÖà DMA Ïà&sup1;زÎÊý * * ˵ Ã÷: Ê&sup1;ÓõÄÊÇDMA2£¬ÍâÉèµ&frac12;´æ´¢Æ÷Ä£Ê&frac12;¡¢Êý&frac34;Ýλ¿í32bit¡¢²¢¿ªÆôÖÐ¶Ï * *****************************************************************************************************************************************/ void OV2640_DMA_Init(void) { __HAL_RCC_DMA2_CLK_ENABLE(); // Ê&sup1;ÄÜDMA2ʱÖÓ DMA_Handle_dcmi.Instance = DMA2_Stream7; // DMA2Êý&frac34;ÝÁ÷7 DMA_Handle_dcmi.Init.Request = DMA_REQUEST_DCMI; // DMAÇëÇóÀ´×ÔDCMI DMA_Handle_dcmi.Init.Direction = DMA_PERIPH_TO_MEMORY; // ÍâÉèµ&frac12;´æ´¢Æ÷Ä£Ê&frac12; DMA_Handle_dcmi.Init.PeriphInc = DMA_PINC_DISABLE; // ÍâÉèµØÖ·&frac12;ûÖ&sup1;×ÔÔö DMA_Handle_dcmi.Init.MemInc = DMA_MINC_ENABLE; // ´æ´¢Æ÷µØÖ·×ÔÔö DMA_Handle_dcmi.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD; // DCMIÊý&frac34;Ýλ¿í£¬32λ DMA_Handle_dcmi.Init.MemDataAlignment = DMA_MDATAALIGN_WORD; // ´æ´¢Æ÷Êý&frac34;Ýλ¿í£¬32λ DMA_Handle_dcmi.Init.Mode = DMA_CIRCULAR; // Ñ­»·Ä£Ê&frac12; DMA_Handle_dcmi.Init.Priority = DMA_PRIORITY_LOW; // ÓÅÏÈ&frac14;¶µÍ DMA_Handle_dcmi.Init.FIFOMode = DMA_FIFOMODE_ENABLE; // Ê&sup1;ÄÜfifo DMA_Handle_dcmi.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL; // È«fifoÄ£Ê&frac12;£¬4*32bit´óС DMA_Handle_dcmi.Init.MemBurst = DMA_MBURST_SINGLE; // µ¥´Î´«Êä DMA_Handle_dcmi.Init.PeriphBurst = DMA_PBURST_SINGLE; // µ¥´Î´«Êä HAL_DMA_Init(&DMA_Handle_dcmi); // ÅäÖÃDMA __HAL_LINKDMA(&hdcmi, DMA_Handle, DMA_Handle_dcmi); // &sup1;ØÁªDCMI&frac34;ä±ú HAL_NVIC_SetPriority(DMA2_Stream7_IRQn, 0, 0); // ÉèÖÃÖжÏÓÅÏÈ&frac14;¶ HAL_NVIC_EnableIRQ(DMA2_Stream7_IRQn); // Ê&sup1;ÄÜÖÐ¶Ï } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_Delay * Èë¿Ú²ÎÊý: Delay - ÑÓʱʱ&frac14;䣬µ¥Î» ms * º¯Êý&sup1;¦ÄÜ: &frac14;òµ¥ÑÓʱº¯Êý£¬²»ÊǺÜ&frac34;«È· * ˵ Ã÷: ΪÁËÒÆÖ²µÄ&frac14;ò±ãÐÔ,´Ë´¦²ÉÓÃÈí&frac14;þÑÓʱ£¬Êµ&frac14;ÊÏîÄ¿ÖпÉÒÔÌæ»»&sup3;ÉRTOSµÄÑÓʱ»òÕßHAL¿âµÄÑÓʱ *****************************************************************************************************************************************/ void OV2640_Delay(volatile uint32_t Delay) { volatile uint16_t i; while (Delay --) { for (i = 0; i < 20000; i++); } // HAL_Delay(Delay); // ¿ÉÊ&sup1;ÓÃHAL¿âµÄÑÓʱ } /*************************************************************************************************************************************** * º¯ Êý Ãû: DCMI_OV2640_Init * * º¯Êý&sup1;¦ÄÜ: &sup3;õÊ&frac14;SCCB¡¢DCMI¡¢DMAÒÔ&frac14;°ÅäÖÃOV2640 * *****************************************************************************************************************************************/ int8_t DCMI_OV2640_Init(void) { uint16_t Device_ID; // ¶¨Òå±äÁ¿´æ´¢Æ÷&frac14;þID SCCB_GPIO_Config(); // SCCBÒý&frac12;Å&sup3;õÊ&frac14;»¯ MX_DCMI_Init(); // &sup3;õÊ&frac14;»¯DCMIÅäÖÃÒý&frac12;Å OV2640_DMA_Init(); // &sup3;õÊ&frac14;»¯DMAÅäÖà OV2640_Reset(); // Ö´ÐÐÈí&frac14;þ¸´Î» Device_ID = OV2640_ReadID(); // ¶ÁÈ¡Æ÷&frac14;þID if( (Device_ID == 0x2640) || (Device_ID == 0x2642) ) // &frac12;øÐÐÆ¥Å䣬ʵ&frac14;ÊµÄÆ÷&frac14;þID¿ÉÄÜÊÇ 0x2640 »òÕß 0x2642 { printf ("OV2640 OK,ID:0x%X\r\n",Device_ID); // Æ¥Åäͨ&sup1;ý OV2640_Config( OV2640_SVGA_Config ); // ÅäÖà SVGAÄ£Ê&frac12; ------> 800*600£¬ ×î´óÖ¡ÂÊ30Ö¡ // OV2640_Config( OV2640_UXGA_Config ); // ÅäÖà UXGAÄ£Ê&frac12; ------> 1600*1200£¬×î´óÖ¡ÂÊ15Ö¡ OV2640_Set_Framesize(OV2640_Width,OV2640_Height); // ÉèÖÃOV2640Êä&sup3;öµÄÍ&frac14;Ïñ´óС OV2640_DCMI_Crop(Display_Width, Display_Height, OV2640_Width, OV2640_Height ); // &frac12;«OV2640Êä&sup3;öÍ&frac14;Ïñ²Ã&frac14;ô&sup3;ÉÊÊÓ¦ÆÁÄ»µÄ´óС return OV2640_Success; // ·µ»Ø&sup3;É&sup1;¦±êÖ&frac34; } else { printf ("OV2640 ERROR!!!!! ID:%X\r\n",Device_ID); // ¶ÁÈ¡ID´íÎó return OV2640_Error; // ·µ»Ø´íÎó±êÖ&frac34; } } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_DMA_Transmit_Continuous * * Èë¿Ú²ÎÊý: DMA_Buffer - DMA&frac12;«Òª´«ÊäµÄµØÖ·£¬&frac14;´ÓÃÓÚ´æ´¢ÉãÏñÍ·Êý&frac34;ÝµÄ´æ´¢ÇøµØÖ· * DMA_BufferSize - ´«ÊäµÄÊý&frac34;Ý´óС£¬32λ¿í * * º¯Êý&sup1;¦ÄÜ: Æô¶¯DMA´«Ê䣬Á¬ÐøÄ£Ê&frac12; * * ˵ Ã÷: 1. ¿ªÆôÁ¬ÐøÄ£Ê&frac12;Ö®ºó£¬»áÒ»Ö±&frac12;øÐд«Ê䣬&sup3;ý·Ç&sup1;ÒÆð»òÕßÍ£Ö&sup1;DCMI * 2. OV2640Ê&sup1;ÓÃRGB565Ä£Ê&frac12;ʱ£¬1¸öÏñËØµãÐèÒª2¸ö×Ö&frac12;ÚÀ´´æ´¢ * 3. ÒòΪDMAÅäÖô«ÊäÊý&frac34;ÝΪ32λ¿í£¬&frac14;ÆËã DMA_BufferSize ʱ£¬ÐèÒª&sup3;ýÒÔ4£¬ÀýÈ磺 * Òª»ñÈ¡ 240*240·Ö±æÂÊ µÄÍ&frac14;Ïñ£¬ÐèÒª´«Êä 240*240*2 = 115200 ×Ö&frac12;ÚµÄÊý&frac34;Ý£¬ * Ôò DMA_BufferSize = 115200 / 4 = 28800 ¡£ *LXB *****************************************************************************************************************************************/ void OV2640_DMA_Transmit_Continuous(uint32_t DMA_Buffer,uint32_t DMA_BufferSize) { DMA_Handle_dcmi.Init.Mode = DMA_CIRCULAR; // Ñ­»·Ä£Ê&frac12; HAL_DMA_Init(&DMA_Handle_dcmi); // ÅäÖÃDMA // Ê&sup1;ÄÜDCMI²É&frac14;¯Êý&frac34;Ý,Á¬Ðø²É&frac14;¯Ä£Ê&frac12; HAL_DCMI_Start_DMA(&hdcmi, DCMI_MODE_CONTINUOUS, (uint32_t)DMA_Buffer,DMA_BufferSize); } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_DMA_Transmit_Snapshot * * Èë¿Ú²ÎÊý: DMA_Buffer - DMA&frac12;«Òª´«ÊäµÄµØÖ·£¬&frac14;´ÓÃÓÚ´æ´¢ÉãÏñÍ·Êý&frac34;ÝµÄ´æ´¢ÇøµØÖ· * DMA_BufferSize - ´«ÊäµÄÊý&frac34;Ý´óС£¬32λ¿í * * º¯Êý&sup1;¦ÄÜ: Æô¶¯DMA´«Ê䣬¿ìÕÕÄ£Ê&frac12;£¬´«ÊäÒ»Ö¡Í&frac14;ÏñºóÍ£Ö&sup1; * * ˵ Ã÷: 1. ¿ìÕÕÄ£Ê&frac12;£¬Ö»´«ÊäÒ»Ö¡µÄÊý&frac34;Ý * 2. OV2640Ê&sup1;ÓÃRGB565Ä£Ê&frac12;ʱ£¬1¸öÏñËØµãÐèÒª2¸ö×Ö&frac12;ÚÀ´´æ´¢ * 3. ÒòΪDMAÅäÖô«ÊäÊý&frac34;ÝΪ32λ¿í£¬&frac14;ÆËã DMA_BufferSize ʱ£¬ÐèÒª&sup3;ýÒÔ4£¬ÀýÈ磺 * Òª»ñÈ¡ 240*240·Ö±æÂÊ µÄÍ&frac14;Ïñ£¬ÐèÒª´«Êä 240*240*2 = 115200 ×Ö&frac12;ÚµÄÊý&frac34;Ý£¬ * Ôò DMA_BufferSize = 115200 / 4 = 28800 ¡£ * 4. Ê&sup1;ÓøÃÄ£Ê&frac12;´«ÊäÍê&sup3;ÉÖ®ºó£¬DCMI»á±»&sup1;ÒÆð£¬ÔÙ´ÎÆôÓô«Êä֮ǰ£¬ÐèÒªµ÷Óà OV2640_DCMI_Resume() »Ö¸´DCMI * *****************************************************************************************************************************************/ void OV2640_DMA_Transmit_Snapshot(uint32_t DMA_Buffer,uint32_t DMA_BufferSize) { DMA_Handle_dcmi.Init.Mode = DMA_NORMAL; // Õý&sup3;£Ä£Ê&frac12; HAL_DMA_Init(&DMA_Handle_dcmi); // ÅäÖÃDMA HAL_DCMI_Start_DMA(&hdcmi, DCMI_MODE_SNAPSHOT, (uint32_t)DMA_Buffer,DMA_BufferSize); } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_DCMI_Suspend * * º¯Êý&sup1;¦ÄÜ: &sup1;ÒÆðDCMI£¬Í£Ö&sup1;²¶»ñÊý&frac34;Ý * * ˵ Ã÷: 1. ¿ªÆôÁ¬ÐøÄ£Ê&frac12;Ö®ºó£¬ÔÙµ÷Óøú¯Êý£¬»áÍ£Ö&sup1;²¶»ñDCMIµÄÊý&frac34;Ý * 2. ¿ÉÒÔµ÷Óà OV2640_DCMI_Resume() »Ö¸´DCMI * 3. ÐèҪעÒâµÄ£¬&sup1;ÒÆðDCMIÆÚ&frac14;䣬DMAÊÇûÓÐÍ£Ö&sup1;&sup1;¤×÷µÄ *LXB *****************************************************************************************************************************************/ void OV2640_DCMI_Suspend(void) { HAL_DCMI_Suspend(&hdcmi); // &sup1;ÒÆðDCMI } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_DCMI_Resume * * º¯Êý&sup1;¦ÄÜ: »Ö¸´DCMI£¬¿ªÊ&frac14;²¶»ñÊý&frac34;Ý * * ˵ Ã÷: 1. µ±DCMI±»&sup1;ÒÆðʱ£¬¿ÉÒÔµ÷Óøú¯Êý»Ö¸´ * 2. Ê&sup1;Óà OV2640_DMA_Transmit_Snapshot() ¿ìÕÕÄ£Ê&frac12;£¬´«ÊäÍê&sup3;ÉÖ®ºó£¬DCMIÒ²»á±»&sup1;ÒÆð£¬ÔÙ´ÎÆôÓô«Êä֮ǰ£¬ * ÐèÒªµ÷Óñ&frac34;º¯Êý»Ö¸´DCMI²¶»ñ * *****************************************************************************************************************************************/ void OV2640_DCMI_Resume(void) { (&hdcmi)->State = HAL_DCMI_STATE_BUSY; // ±ä¸üDCMI±êÖ&frac34; (&hdcmi)->Instance->CR |= DCMI_CR_CAPTURE; // ¿ªÆôDCMI²¶»ñ } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_DCMI_Stop * * º¯Êý&sup1;¦ÄÜ: &frac12;ûÖ&sup1;DCMIµÄDMAÇëÇó£¬Í£Ö&sup1;DCMI²¶»ñ£¬&frac12;ûÖ&sup1;DCMIÍâÉè * *****************************************************************************************************************************************/ void OV2640_DCMI_Stop(void) { HAL_DCMI_Stop(&hdcmi); } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_DCMI_Crop * * Èë¿Ú²ÎÊý: Displey_XSize ¡¢Displey_YSize - ÏÔÊ&frac34;Æ÷µÄ&sup3;¤¿í * Sensor_XSize¡¢Sensor_YSize - ÉãÏñÍ·´«¸ÐÆ÷Êä&sup3;öÍ&frac14;ÏñµÄ&sup3;¤¿í * * º¯Êý&sup1;¦ÄÜ: Ê&sup1;ÓÃDCMIµÄ²Ã&frac14;ô&sup1;¦ÄÜ£¬&frac12;«´«¸ÐÆ÷Êä&sup3;öµÄÍ&frac14;Ïñ²Ã&frac14;ô&sup3;ÉÊÊÓ¦ÆÁÄ»µÄ´óС * * ˵ Ã÷: 1. ÒòΪÉãÏñÍ·Êä&sup3;öµÄ»­Ãæ±ÈÀý&sup1;̶¨Îª4:3£¬²»Ò»¶¨Æ¥ÅäÏÔÊ&frac34;Æ÷ * 2. ÐèҪעÒâµÄÊÇ£¬ÉãÏñÍ·Êä&sup3;öµÄÍ&frac14;Ïñ&sup3;¤¡¢¿í±ØÐëÒªÄܱ»4Õû&sup3;ý£¡£¨ Ê&sup1;ÓÃOV2640_Set_Framesizeº¯Êý&frac12;øÐÐÉèÖà £© * 3. DCMIµÄË®Æ&frac12;ÓÐЧÏñËØÒ²±ØÐëÒªÄܱ»4Õû&sup3;ý£¡ * 4. º¯Êý»á&frac14;ÆËãË®Æ&frac12;ºÍ´&sup1;Ö±Æ«ÒÆ£¬&frac34;¡Á¿Èû­Ãæ&frac34;ÓÖвÃ&frac14;ô *****************************************************************************************************************************************/ int8_t OV2640_DCMI_Crop(uint16_t Displey_XSize,uint16_t Displey_YSize,uint16_t Sensor_XSize,uint16_t Sensor_YSize ) { uint16_t DCMI_X_Offset,DCMI_Y_Offset; // Ë®Æ&frac12;ºÍ´&sup1;Ö±Æ«ÒÆ£¬´&sup1;Ö±´ú±íµÄÊÇÐÐÊý£¬Ë®Æ&frac12;´ú±íµÄÊÇÏñËØÊ±ÖÓÊý£¨PCLKÖÜÆÚÊý£© uint16_t DCMI_CAPCNT; // Ë®Æ&frac12;ÓÐЧÏñËØ£¬´ú±íµÄÊÇÏñËØÊ±ÖÓÊý£¨PCLKÖÜÆÚÊý£© uint16_t DCMI_VLINE; // ´&sup1;Ö±ÓÐЧÐÐÊý if( (Displey_XSize>=Sensor_XSize)|| (Displey_YSize>=Sensor_YSize) ) { // printf("ʵ&frac14;ÊÏÔÊ&frac34;µÄ&sup3;ß´ç´óÓÚ»òµÈÓÚÉãÏñÍ·Êä&sup3;öµÄ&sup3;ߴ磬ÍË&sup3;öDCMI²Ã&frac14;ô\r\n"); return OV2640_Error; //Èç&sup1;ûʵ&frac14;ÊÏÔÊ&frac34;µÄ&sup3;ß´ç´óÓÚ»òµÈÓÚÉãÏñÍ·Êä&sup3;öµÄ&sup3;ߴ磬ÔòÍË&sup3;öµ±Ç°º¯Êý£¬²»&frac12;øÐвÃ&frac14;ô } // ÔÚÉèÖÃΪRGB565¸ñÊ&frac12;ʱ£¬Ë®Æ&frac12;Æ«ÒÆ£¬±ØÐëÊÇÆæÊý£¬·ñÔò»­ÃæÉ«²Ê²»ÕýÈ·£¬ // ÒòΪһ¸öÓÐЧÏñËØÊÇ2¸ö×Ö&frac12;Ú£¬ÐèÒª2¸öPCLKÖÜÆÚ£¬ËùÒÔ±ØÐë´ÓÆæÊýλ¿ªÊ&frac14;£¬²»È»Êý&frac34;Ý»á´íÂÒ£¬ // ÐèҪעÒâµÄÊÇ£¬&frac14;Ä´æÆ÷ÖµÊÇ´Ó0¿ªÊ&frac14;ËãÆðµÄ £¡ DCMI_X_Offset = Sensor_XSize - Displey_XSize; // ʵ&frac14;Ê&frac14;ÆËã&sup1;ý&sup3;ÌΪ£¨Sensor_XSize - LCD_XSize£©/2*2 // &frac14;ÆËã´&sup1;Ö±Æ«ÒÆ£¬&frac34;¡Á¿Èû­Ãæ&frac34;ÓÖвÃ&frac14;ô£¬¸ÃÖµ´ú±íµÄÊÇÐÐÊý£¬ DCMI_Y_Offset = (Sensor_YSize - Displey_YSize)/2-1; // &frac14;Ä´æÆ÷ÖµÊÇ´Ó0¿ªÊ&frac14;ËãÆðµÄ£¬ËùÒÔÒª-1 // ÒòΪһ¸öÓÐЧÏñËØÊÇ2¸ö×Ö&frac12;Ú£¬ÐèÒª2¸öPCLKÖÜÆÚ£¬ËùÒÔÒª&sup3;Ë2 // ×îÖյõ&frac12;µÄ&frac14;Ä´æÆ÷Öµ£¬±ØÐëÒªÄܱ»4Õû&sup3;ý£¡ DCMI_CAPCNT = Displey_XSize*2-1; // &frac14;Ä´æÆ÷ÖµÊÇ´Ó0¿ªÊ&frac14;ËãÆðµÄ£¬ËùÒÔÒª-1 DCMI_VLINE = Displey_YSize-1; // ´&sup1;Ö±ÓÐЧÐÐÊý // printf("%d %d %d %d\r\n",DCMI_X_Offset,DCMI_Y_Offset,DCMI_CAPCNT,DCMI_VLINE); HAL_DCMI_ConfigCrop (&hdcmi,DCMI_X_Offset,DCMI_Y_Offset,DCMI_CAPCNT,DCMI_VLINE);// ÉèÖòÃ&frac14;ô´°¿Ú HAL_DCMI_EnableCrop(&hdcmi); // Ê&sup1;ÄܲÃ&frac14;ô return OV2640_Success; } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_Reset * * º¯Êý&sup1;¦ÄÜ: Ö´ÐÐÈí&frac14;þ¸´Î» * * ˵ Ã÷: ÔÚÅäÖÃOV2640֮ǰ£¬ÐèÒªÖ´ÐÐÒ»´ÎÈí&frac14;þ¸´Î» * *****************************************************************************************************************************************/ void OV2640_Reset(void) { OV2640_Delay(5); // µÈ´ýÄ£¿éÉϵçÎȶ¨£¬×îÉÙ5ms£¬È»ºóÀ­µÍPWDN OV2640_PWDN_OFF; // PWDN Òý&frac12;ÅÊä&sup3;öµÍµçÆ&frac12;£¬²»¿ªÆôµôµçÄ£Ê&frac12;£¬ÉãÏñÍ·Õý&sup3;£&sup1;¤×÷£¬´ËʱÉãÏñÍ·Ä£¿éµÄ°×É«LED»áµãÁÁ // ¸ù&frac34;ÝOV2640µÄÉϵçʱÐò£¬Ó²&frac14;þ¸´Î»µÄ&sup3;ÖÐøÊ±&frac14;äÒª>=3ms£¬Â&sup1;С°àµÄOV2640²ÉÓÃÓ²&frac14;þRC¸´Î»£¬&sup3;ÖÐøÊ±&frac14;ä´ó¸ÅÔÚ6ms×óÓÒ // Òò´Ë&frac14;ÓÈëÑÓʱ£¬µÈ´ýÓ²&frac14;þ¸´Î»Íê&sup3;ɲ¢Îȶ¨ÏÂÀ´ OV2640_Delay(5); SCCB_WriteReg( OV2640_SEL_Registers, OV2640_SEL_SENSOR); // Ñ¡Ôñ SENSOR &frac14;Ä´æÆ÷×é SCCB_WriteReg( OV2640_SENSOR_COM7, 0x80); // Æô¶¯Èí&frac14;þ¸´Î» // ¸ù&frac34;ÝOV2640µÄÈí&frac14;þ¸´Î»Ê±Ðò£¬Èí&frac14;þ¸´Î»Ö´Ðкó£¬Òª>=2ms·&frac12;¿ÉÖ´ÐÐSCCBÅäÖ㬴˴¦²ÉÓñ£ÊØÒ»µãµÄ²ÎÊý£¬ÑÓʱ10ms OV2640_Delay(10); } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_ReadID * * º¯Êý&sup1;¦ÄÜ: ¶ÁÈ¡ OV2640 µÄÆ÷&frac14;þID * * ˵ Ã÷: ʵ&frac14;ÊµÄÆ÷&frac14;þID¿ÉÄÜÊÇ 0x2640 »òÕß 0x2642£¬Åú´Î²»Í¬ID¿ÉÄܻ᲻һÑù * *****************************************************************************************************************************************/ uint16_t OV2640_ReadID(void) { uint8_t PID_H,PID_L; // ID±äÁ¿ SCCB_WriteReg( OV2640_SEL_Registers, OV2640_SEL_SENSOR); // Ñ¡Ôñ SENSOR &frac14;Ä´æÆ÷×é PID_H = SCCB_ReadReg(OV2640_SENSOR_PIDH); // ¶ÁÈ¡ID¸ß×Ö&frac12;Ú PID_L = SCCB_ReadReg(OV2640_SENSOR_PIDL); // ¶ÁÈ¡IDµÍ×Ö&frac12;Ú return(PID_H<<8)|PID_L; // ·µ»ØÍêÕûµÄÆ÷&frac14;þID } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_Config * * Èë¿Ú²ÎÊý: (*ConfigData)[2] - ÒªÅäÖõIJÎÊý£¬¿ÉÅäÖÃΪ OV2640_SVGA_Config »ò OV2640_UXGA_Config * * º¯Êý&sup1;¦ÄÜ: ÅäÖà OV2640 ´«¸ÐÆ÷ºÍDSP²ÎÊý * * ˵ Ã÷: 1. ¿ÉÅäÖÃΪ SVGA »òÕß UXGAÄ£Ê&frac12; * 2. SVGA ·Ö±æÂÊΪ800*600£¬×î¸ßÖ§&sup330Ö¡ * 3. UXGA ·Ö±æÂÊΪ1600*1200£¬×î¸ßÖ§&sup315Ö¡ * 4. ²ÎÊý¶¨ÒåÔÚ dcmi_ov2640_cfg.h * *****************************************************************************************************************************************/ void OV2640_Config( const uint8_t (*ConfigData)[2] ) { uint32_t i; // &frac14;ÆÊý±äÁ¿ for( i=0; ConfigData[i][0]; i++) { SCCB_WriteReg( ConfigData[i][0], ConfigData[i][1]); // &frac12;øÐвÎÊýÅäÖà } } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_Set_Framesize * * Èë¿Ú²ÎÊý: pixformat - ÏñËØ¸ñÊ&frac12;£¬¿ÉÑ¡Ôñ Pixformat_RGB565¡¢Pixformat_JPEG * * º¯Êý&sup1;¦ÄÜ: ÉèÖÃÊä&sup3;öµÄÏñËØ¸ñÊ&frac12; * *****************************************************************************************************************************************/ void OV2640_Set_Pixformat(uint8_t pixformat) { const uint8_t (*ConfigData)[2]; uint32_t i; // &frac14;ÆÊý±äÁ¿ switch (pixformat) { case Pixformat_RGB565: ConfigData = OV2640_RGB565_Config; break; case Pixformat_JPEG: ConfigData = OV2640_JPEG_Config; break; default: break; } for( i=0; ConfigData[i][0]; i++) { SCCB_WriteReg( ConfigData[i][0], ConfigData[i][1]); // &frac12;øÐвÎÊýÅäÖà } } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_Set_Framesize * * Èë¿Ú²ÎÊý: width - ʵ&frac14;ÊÊä&sup3;öÍ&frac14;ÏñµÄ&sup3;¤¶È£¬height - ʵ&frac14;ÊÊä&sup3;öÍ&frac14;ÏñµÄ¿í¶È * * º¯Êý&sup1;¦ÄÜ: ÉèÖÃʵ&frac14;ÊÊä&sup3;öµÄÍ&frac14;Ïñ´óС * * ˵ Ã÷: 1. OV2640ÉèÖÃΪ SVGA£¨800*600£© »òÕß UXGA£¨1600*1200£©Ä£Ê&frac12;£¬Í&frac14;Ïñ´óСͨ&sup3;£Óëʵ&frac14;ÊÓÃµÄÆÁÄ»·Ö±æÂʲ»Ò»Ñù£¬ * Òò´Ë¿ÉÒÔµ÷Óôκ¯Êý£¬ÉèÖÃʵ&frac14;ÊÊä&sup3;öµÄÍ&frac14;Ïñ´óС * 2. ÐèҪעÒâµÄÊÇ£¬ÒªÉèÖõÄÍ&frac14;Ïñ&sup3;¤¡¢¿í±ØÐëÄܱ»4Õû&sup3;ý£¡ * 3. ²¢²»ÊÇÉèÖÃÊä&sup3;öµÄÍ&frac14;Ïñ·Ö±æÂÊÔ&frac12;С֡ÂÊ&frac34;ÍÔ&frac12;¸ß£¬Ö¡ÂÊÖ»ºÍÅäÖõÄÄ£Ê&frac12;ÓÐ&sup1;Ø£¬ÀýÈçÅäÖÃΪSVGA×î¸ßÖ»ÄÜÖ§&sup330Ö¡ * *****************************************************************************************************************************************/ int8_t OV2640_Set_Framesize(uint16_t width,uint16_t height) { if( (width%4)||(height%4) ) // Êä&sup3;öÍ&frac14;ÏñµÄ´óСһ¶¨ÒªÄܱ»4Õû&sup3;ý { return OV2640_Error; // ·µ»Ø´íÎó±êÖ&frac34; } SCCB_WriteReg(OV2640_SEL_Registers,OV2640_SEL_DSP); // Ñ¡Ôñ DSP&frac14;Ä´æÆ÷×é SCCB_WriteReg(0X5A, width/4 &0XFF); // ʵ&frac14;ÊÍ&frac14;ÏñÊä&sup3;öµÄ¿í¶È£¨OUTW£©£¬7~0 bit£¬&frac14;Ä´æÆ÷µÄÖµµÈÓÚʵ&frac14;ÊÖµ/4 SCCB_WriteReg(0X5B, height/4 &0XFF); // ʵ&frac14;ÊÍ&frac14;ÏñÊä&sup3;öµÄ¸ß¶È£¨OUTH£©£¬7~0 bit£¬&frac14;Ä´æÆ÷µÄÖµµÈÓÚʵ&frac14;ÊÖµ/4 SCCB_WriteReg(0X5C, (width/4>>8&0X03)|(height/4>>6&0x04) ); // ÉèÖÃZMHHµÄBit[2:0]£¬Ò²&frac34;ÍÊÇOUTH µÄµÚ 8 bit£¬OUTW µÄµÚ 9~8 bit£¬ SCCB_WriteReg(OV2640_DSP_RESET,0X00); // ¸´Î» return OV2640_Success; // &sup3;É&sup1;¦ } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_Set_Horizontal_Mirror * * Èë¿Ú²ÎÊý: ConfigState - ÖÃ1ʱ£¬Í&frac14;Ïñ»áË®Æ&frac12;&frac34;µÏñ£¬ÖÃ0ʱ»Ö¸´Õý&sup3;£ * * º¯Êý&sup1;¦ÄÜ: ÓÃÓÚÉèÖÃÊä&sup3;öµÄÍ&frac14;ÏñÊÇ·ñ&frac12;øÐÐË®Æ&frac12;&frac34;µÏñ * *****************************************************************************************************************************************/ int8_t OV2640_Set_Horizontal_Mirror( int8_t ConfigState ) { uint8_t OV2640_Reg; // &frac14;Ä´æÆ÷µÄÖµ SCCB_WriteReg(OV2640_SEL_Registers,OV2640_SEL_SENSOR); // Ñ¡Ôñ SENSOR &frac14;Ä´æÆ÷×é OV2640_Reg = SCCB_ReadReg(OV2640_SENSOR_REG04); // ¶ÁÈ¡ 0x04 µÄ&frac14;Ä´æÆ÷Öµ // REG04,&frac14;Ä´æÆ÷×é4£¬&frac14;Ä´æÆ÷µØÖ·Îª 0x04£¬¸Ã&frac14;Ä´æÆ÷µÄBit[7]£¬ÓÃÓÚÉèÖÃË®Æ&frac12;ÊÇ·ñ&frac34;µÏñ if ( ConfigState == OV2640_Enable ) // Èç&sup1;ûÊ&sup1;ÄÜ&frac34;µÏñ { OV2640_Reg |= 0X80; // Bit[7]ÖÃ1Ôò&frac34;µÏñ } else // È¡Ïû&frac34;µÏñ { OV2640_Reg &= ~0X80; // Bit[7]ÖÃ0ÔòÊÇÕý&sup3;£Ä£Ê&frac12; } return SCCB_WriteReg(OV2640_SENSOR_REG04,OV2640_Reg); // дÈë&frac14;Ä´æÆ÷ } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_Set_Vertical_Flip * * Èë¿Ú²ÎÊý: ConfigState - ÖÃ1ʱ£¬Í&frac14;Ïñ»á´&sup1;Ö±·­×ª£¬ÖÃ0ʱ»Ö¸´Õý&sup3;£ * * º¯Êý&sup1;¦ÄÜ: ÓÃÓÚÉèÖÃÊä&sup3;öµÄÍ&frac14;ÏñÊÇ·ñ&frac12;øÐд&sup1;Ö±·­×ª * *****************************************************************************************************************************************/ int8_t OV2640_Set_Vertical_Flip( int8_t ConfigState ) { uint8_t OV2640_Reg; // &frac14;Ä´æÆ÷µÄÖµ SCCB_WriteReg(OV2640_SEL_Registers,OV2640_SEL_SENSOR); // Ñ¡Ôñ SENSOR &frac14;Ä´æÆ÷×é OV2640_Reg = SCCB_ReadReg(OV2640_SENSOR_REG04); // ¶ÁÈ¡ 0x04 µÄ&frac14;Ä´æÆ÷Öµ // REG04,&frac14;Ä´æÆ÷×é4£¬&frac14;Ä´æÆ÷µØÖ·Îª 0x04£¬¸Ã&frac14;Ä´æÆ÷µÄµÚBit[6]£¬ÓÃÓÚÉèÖÃË®Æ&frac12;ÊÇ´&sup1;Ö±·­×ª if ( ConfigState == OV2640_Enable ) { // ´Ë´¦ÉèÖòο&frac14;OpenMVµÄÇý¶¯ // Bit[4]&frac34;ßÌåµÄ×÷ÓÃÊÇʲôÊÖ²áûÓÐ˵£¬Èç&sup1;û´&sup1;Ö±·­×ªÖ®ºó£¬¸Ãλ²»ÖÃ1µÄ»°£¬ÑÕÉ«»á²»¶Ô OV2640_Reg |= 0X40|0x10 ; // Bit[6]ÖÃ1ʱ£¬Í&frac14;Ïñ»á´&sup1;Ö±·­×ª } else // È¡Ïû·­×ª { OV2640_Reg &= ~(0X40|0x10 ); // &frac12;«Bit[6]ºÍBit[4]¶&frac14;д0 } return SCCB_WriteReg(OV2640_SENSOR_REG04,OV2640_Reg); // дÈë&frac14;Ä´æÆ÷ } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_Set_Saturation * * Èë¿Ú²ÎÊý: Saturation - ±¥ºÍ¶È£¬¿ÉÉèÖÃΪ5¸öµÈ&frac14;¶£º2£¬1£¬0£¬-1£¬-2 * * ˵ Ã÷: 1. ÊÖ²áÀïûÓÐ˵Ã÷ÅäÖÃÖеÄÄÇ2¸ö&frac14;Ä´æÆ÷ÈçºÎÊ&sup1;Óã¬Òò´ËÕâÀïÖ±&frac12;ÓÊ&sup1;ÓÃOV2640±à&sup3;ÌÊÖ²á¸ø&sup3;öµÄ´úÂë * 2.±¥ºÍ¶ÈÔ&frac12;¸ß£¬É«²Ê&frac34;ÍÔ&frac12;ÏÊÑÞ£¬µ«µ±ÏàÓ¦µÄÇåÎú¶È»áÏÂ&frac12;µ£¬Ôëµã±ä¶à * *****************************************************************************************************************************************/ void OV2640_Set_Saturation(int8_t Saturation) { SCCB_WriteReg(OV2640_SEL_Registers,OV2640_SEL_DSP); // Ñ¡Ôñ DSP&frac14;Ä´æÆ÷×é switch (Saturation) { case 2: SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x02); SCCB_WriteReg(OV2640_DSP_BPADDR,0x03); SCCB_WriteReg(OV2640_DSP_BPDATA,0x68); SCCB_WriteReg(OV2640_DSP_BPDATA,0x68); break; case 1: SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x02); SCCB_WriteReg(OV2640_DSP_BPADDR,0x03); SCCB_WriteReg(OV2640_DSP_BPDATA,0x58); SCCB_WriteReg(OV2640_DSP_BPDATA,0x58); break; case 0: SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x02); SCCB_WriteReg(OV2640_DSP_BPADDR,0x03); SCCB_WriteReg(OV2640_DSP_BPDATA,0x48); SCCB_WriteReg(OV2640_DSP_BPDATA,0x48); break; case -1: SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x02); SCCB_WriteReg(OV2640_DSP_BPADDR,0x03); SCCB_WriteReg(OV2640_DSP_BPDATA,0x38); SCCB_WriteReg(OV2640_DSP_BPDATA,0x38); break; case -2: SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x02); SCCB_WriteReg(OV2640_DSP_BPADDR,0x03); SCCB_WriteReg(OV2640_DSP_BPDATA,0x28); SCCB_WriteReg(OV2640_DSP_BPDATA,0x28); break; default: break; } } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_Set_Brightness * * Èë¿Ú²ÎÊý: Brightness - ÁÁ¶È£¬¿ÉÉèÖÃΪ5¸öµÈ&frac14;¶£º2£¬1£¬0£¬-1£¬-2 * * ˵ Ã÷: 1. ÊÖ²áÀïûÓÐ˵Ã÷ÅäÖÃÖеÄÄÇ2¸ö&frac14;Ä´æÆ÷ÈçºÎÊ&sup1;Óã¬Òò´ËÕâÀïÖ±&frac12;ÓÊ&sup1;ÓÃOV2640±à&sup3;ÌÊÖ²á¸ø&sup3;öµÄ´úÂë * 2. ÁÁ¶ÈÔ&frac12;¸ß£¬»­Ãæ&frac34;ÍÔ&frac12;Ã÷ÁÁ£¬µ«ÊÇ»á±äÄ£ºýһЩ * *****************************************************************************************************************************************/ void OV2640_Set_Brightness(int8_t Brightness) { SCCB_WriteReg(OV2640_SEL_Registers,OV2640_SEL_DSP); // Ñ¡Ôñ DSP&frac14;Ä´æÆ÷×é switch (Brightness) { case 2: SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x04); SCCB_WriteReg(OV2640_DSP_BPADDR,0x09); SCCB_WriteReg(OV2640_DSP_BPDATA,0x40); SCCB_WriteReg(OV2640_DSP_BPDATA,0x00); break; case 1: SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x04); SCCB_WriteReg(OV2640_DSP_BPADDR,0x09); SCCB_WriteReg(OV2640_DSP_BPDATA,0x30); SCCB_WriteReg(OV2640_DSP_BPDATA,0x00); break; case 0: SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x04); SCCB_WriteReg(OV2640_DSP_BPADDR,0x09); SCCB_WriteReg(OV2640_DSP_BPDATA,0x20); SCCB_WriteReg(OV2640_DSP_BPDATA,0x00); break; case -1: SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x04); SCCB_WriteReg(OV2640_DSP_BPADDR,0x09); SCCB_WriteReg(OV2640_DSP_BPDATA,0x10); SCCB_WriteReg(OV2640_DSP_BPDATA,0x00); break; case -2: SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x04); SCCB_WriteReg(OV2640_DSP_BPADDR,0x09); SCCB_WriteReg(OV2640_DSP_BPDATA,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x00); break; default: break; } } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_Set_Contrast * * Èë¿Ú²ÎÊý: Contrast - ¶Ô±È¶È£¬¿ÉÉèÖÃΪ5¸öµÈ&frac14;¶£º2£¬1£¬0£¬-1£¬-2 * * ˵ Ã÷: 1. ÊÖ²áÀïûÓÐ˵Ã÷ÅäÖÃÖеÄÄÇ2¸ö&frac14;Ä´æÆ÷ÈçºÎÊ&sup1;Óã¬Òò´ËÕâÀïÖ±&frac12;ÓÊ&sup1;ÓÃOV2640±à&sup3;ÌÊÖ²á¸ø&sup3;öµÄ´úÂë * 2. ¶Ô±È¶ÈÔ&frac12;¸ß£¬»­ÃæÔ&frac12;ÇåÎú£¬ºÚ°×Ô&frac12;&frac14;Ó·ÖÃ÷ * *****************************************************************************************************************************************/ void OV2640_Set_Contrast(int8_t Contrast) { SCCB_WriteReg(OV2640_SEL_Registers,OV2640_SEL_DSP); // Ñ¡Ôñ DSP&frac14;Ä´æÆ÷×é switch (Contrast) { case 2: SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x04); SCCB_WriteReg(OV2640_DSP_BPADDR,0x07); SCCB_WriteReg(OV2640_DSP_BPDATA,0x20); SCCB_WriteReg(OV2640_DSP_BPADDR,0x28); SCCB_WriteReg(OV2640_DSP_BPDATA,0x0c); SCCB_WriteReg(OV2640_DSP_BPDATA,0x06); break; case 1: SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x04); SCCB_WriteReg(OV2640_DSP_BPADDR,0x07); SCCB_WriteReg(OV2640_DSP_BPDATA,0x20); SCCB_WriteReg(OV2640_DSP_BPADDR,0x24); SCCB_WriteReg(OV2640_DSP_BPDATA,0x16); SCCB_WriteReg(OV2640_DSP_BPDATA,0x06); break; case 0: SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x04); SCCB_WriteReg(OV2640_DSP_BPADDR,0x07); SCCB_WriteReg(OV2640_DSP_BPDATA,0x20); SCCB_WriteReg(OV2640_DSP_BPADDR,0x20); SCCB_WriteReg(OV2640_DSP_BPDATA,0x20); SCCB_WriteReg(OV2640_DSP_BPDATA,0x06); break; case -1: SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x04); SCCB_WriteReg(OV2640_DSP_BPADDR,0x07); SCCB_WriteReg(OV2640_DSP_BPDATA,0x20); SCCB_WriteReg(OV2640_DSP_BPADDR,0x1c); SCCB_WriteReg(OV2640_DSP_BPDATA,0x2a); SCCB_WriteReg(OV2640_DSP_BPDATA,0x06); break; case -2: SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x04); SCCB_WriteReg(OV2640_DSP_BPADDR,0x07); SCCB_WriteReg(OV2640_DSP_BPDATA,0x20); SCCB_WriteReg(OV2640_DSP_BPADDR,0x18); SCCB_WriteReg(OV2640_DSP_BPDATA,0x34); SCCB_WriteReg(OV2640_DSP_BPDATA,0x06); break; default: break; } } /*************************************************************************************************************************************** * º¯ Êý Ãû: OV2640_Set_Effect * * Èë¿Ú²ÎÊý: effect_Mode - ÌØÐ§Ä£Ê&frac12;£¬¿ÉÑ¡Ôñ²ÎÊý OV2640_Effect_Normal¡¢OV2640_Effect_Negative¡¢ * OV2640_Effect_BW¡¢OV2640_Effect_BW_Negative * * º¯Êý&sup1;¦ÄÜ: ÓÃÓÚÉèÖÃOV2640µÄÌØÐ§£¬Õý&sup3;£¡¢¸ºÆ¬¡¢ºÚ°×¡¢ºÚ°×+¸ºÆ¬µÈÄ£Ê&frac12; * * ˵ Ã÷: ÊÖ²áÀïûÓÐ˵Ã÷ÅäÖÃÖеÄÄÇ2¸ö&frac14;Ä´æÆ÷ÈçºÎÊ&sup1;Óã¬Òò´ËÕâÀïÖ±&frac12;ÓÊ&sup1;ÓÃOV2640±à&sup3;ÌÊÖ²á¸ø&sup3;öµÄ´úÂë * *****************************************************************************************************************************************/ void OV2640_Set_Effect(uint8_t effect_Mode) { SCCB_WriteReg(OV2640_SEL_Registers,OV2640_SEL_DSP); // Ñ¡Ôñ DSP&frac14;Ä´æÆ÷×é switch (effect_Mode) { case OV2640_Effect_Normal: // Õý&sup3;£Ä£Ê&frac12; SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x00); SCCB_WriteReg(OV2640_DSP_BPADDR,0x05); SCCB_WriteReg(OV2640_DSP_BPDATA,0x80); SCCB_WriteReg(OV2640_DSP_BPDATA,0x80); break; case OV2640_Effect_Negative: // ¸ºÆ¬Ä£Ê&frac12;£¬Ò²&frac34;ÍÊÇÑÕɫȫ²¿È¡·´ SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x40); SCCB_WriteReg(OV2640_DSP_BPADDR,0x05); SCCB_WriteReg(OV2640_DSP_BPDATA,0x80); SCCB_WriteReg(OV2640_DSP_BPDATA,0x80); break; case OV2640_Effect_BW: // ºÚ°×Ä£Ê&frac12; SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x18); SCCB_WriteReg(OV2640_DSP_BPADDR,0x05); SCCB_WriteReg(OV2640_DSP_BPDATA,0x80); SCCB_WriteReg(OV2640_DSP_BPDATA,0x80); break; case OV2640_Effect_BW_Negative: // ºÚ°×+¸ºÆ¬Ä£Ê&frac12; SCCB_WriteReg(OV2640_DSP_BPADDR,0x00); SCCB_WriteReg(OV2640_DSP_BPDATA,0x58); SCCB_WriteReg(OV2640_DSP_BPADDR,0x05); SCCB_WriteReg(OV2640_DSP_BPDATA,0x80); SCCB_WriteReg(OV2640_DSP_BPDATA,0x80); break; default: break; } } /*************************************************************************************************************************************** * º¯ Êý Ãû: HAL_DCMI_FrameEventCallback * * º¯Êý&sup1;¦ÄÜ: Ö¡»Øµ÷º¯Êý£¬Ã¿´«ÊäÒ»Ö¡Êý&frac34;Ý£¬»á&frac12;øÈë¸ÃÖжϷþÎñº¯Êý * * ˵ Ã÷: ÿ´Î´«ÊäÍêÒ»Ö¡£¬¶ÔÏàÓ¦µÄ±êÖ&frac34;λ&frac12;øÐвÙ×÷£¬²¢&frac14;ÆËãÖ¡ÂÊ *****************************************************************************************************************************************/ void HAL_DCMI_FrameEventCallback(DCMI_HandleTypeDef *hdcmi) { static uint32_t DCMI_Tick = 0; // ÓÃÓÚ±£´æµ±Ç°µÄʱ&frac14;ä&frac14;ÆÊýÖµ static uint8_t DCMI_Frame_Count = 0; // Ö¡Êý&frac14;ÆÊý if(HAL_GetTick() - DCMI_Tick >= 1000) // ÿ¸ô 1s &frac14;ÆËãÒ»´ÎÖ¡ÂÊ { DCMI_Tick = HAL_GetTick(); // ÖØÐ»ñÈ¡µ±Ç°Ê±&frac14;ä&frac14;ÆÊýÖµ OV2640_FPS = DCMI_Frame_Count; // »ñµÃfps DCMI_Frame_Count = 0; // &frac14;ÆÊýÇå0 } DCMI_Frame_Count ++; // û&frac12;øÈëÒ»´ÎÖжϣ¨Ã¿´Î´«ÊäÍêÒ»Ö¡Êý&frac34;Ý£©£¬&frac14;ÆÊýÖµ+1 DCMI_FrameState = 1; // ´«ÊäÍê&sup3;ɱêÖ&frac34;λÖÃ1 } /*************************************************************************************************************************************** * º¯ Êý Ãû: HAL_DCMI_ErrorCallback * * º¯Êý&sup1;¦ÄÜ: ´íÎ󻨵÷º¯Êý * * ˵ Ã÷: µ±·¢ÉúDMA´«Êä´íÎó»òÕßFIFOÒç&sup3;ö´íÎó&frac34;Í»á&frac12;øÈë *****************************************************************************************************************************************/ void HAL_DCMI_ErrorCallback(DCMI_HandleTypeDef *hdcmi) { // if( HAL_DCMI_GetError(hdcmi) == HAL_DCMI_ERROR_OVR) // { // printf("FIFOÒç&sup3;ö´íÎ󣡣¡£¡\r\n"); // } printf("error:0x%x£¡£¡£¡\r\n",HAL_DCMI_GetError(hdcmi)); } /*********************************************************************************************************************************************************************************************************************************************LXB*************/ // Â&sup1;С°à 代码分析
05-12
USART_TypeDef * DeBugUsart = USART1; //&frac14;ÓÈëÒÔÏ´úÂë,Ö§&sup3;Öprintfº¯Êý,¶ø²»ÐèҪѡÔñuse MicroLIB #if 1 #pragma import(__use_no_semihosting) //±ê×&frac14;¿âÐèÒªµÄÖ§&sup3;Öº¯Êý struct __FILE { int handle; }; FILE __stdout; //¶¨Òå_sys_exit()ÒÔ±ÜÃâÊ&sup1;ÓðëÖ÷»úÄ£Ê&frac12; void _sys_exit(int x) { x = x; } //ÖØ¶¨Òåfputcº¯Êý int fputc(int ch, FILE *f) { while((DeBugUsart->SR&0X40)==0);//Ñ­»··¢ËÍ,Ö±µ&frac12;·¢ËÍÍê±Ï DeBugUsart->DR = (u8) ch; // USART3->DR = (u8) ch; return ch; } #endif UART_HandleTypeDef huart1; UART_HandleTypeDef huart3; //&frac12;ÓÊÕ״̬ //bit15£¬ &frac12;ÓÊÕÍê&sup3;ɱêÖ&frac34; //bit14£¬ &frac12;ÓÊÕµ&frac12;0x0d //bit13~0£¬ &frac12;ÓÊÕµ&frac12;µÄÓÐЧ×Ö&frac12;ÚÊýÄ¿ u16 USART_RX_STA=0; //&frac12;ÓÊÕ״̬±ê&frac14;Ç u16 USART3_RX_STA=0; //&frac12;ÓÊÕ״̬±ê&frac14;Ç u8 aRxBuffer[RXBUFFERSIZE];//HAL¿âÊ&sup1;ÓõĴ®¿Ú&frac12;ÓÊÕ»º&sup3;å u8 aRxBuffer3[RXBUFFERSIZE];//HAL¿âÊ&sup1;ÓõĴ®¿Ú&frac12;ÓÊÕ»º&sup3;å u8 USART_RX_BUF[USART_REC_LEN]; //&frac12;ÓÊÕ»º&sup3;å,×î´óUSART_REC_LEN¸ö×Ö&frac12;Ú. u8 USART3_RX_BUF[USART_REC_LEN]; //&frac12;ÓÊÕ»º&sup3;å,×î´óUSART_REC_LEN¸ö×Ö&frac12;Ú. //&frac12;ÓÊÕ״̬ //bit15£¬ &frac12;ÓÊÕÍê&sup3;ɱêÖ&frac34; //bit14£¬ &frac12;ÓÊÕµ&frac12;0x0d //bit13~0£¬ &frac12;ÓÊÕµ&frac12;µÄÓÐЧ×Ö&frac12;ÚÊýÄ¿ extern volatile int led_state,motor1_state,motor2_state; //µÆ&sup1;â £¬ ²&frac12;&frac12;øµç»ú1£¨´°Á±£©£¬²&frac12;&frac12;øµç»ú2£¨´°»§£© extern volatile u8 mode; //&sup1;¤×÷Ä£Ê&frac12;²ÎÊý 0£»ÊÖ¶¯Ä£Ê&frac12;£¬1£º×Ô¶¯Ä£Ê&frac12; 帮我解释一下为什么这样变成,什么是半主机
03-11
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