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GPIO_Init(GPIOA, &GPIO_InitStructure); } void Key_Scan(void) { static u8 key_up = 1; if (key_up && GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0)) { delay_ms(20); // ?? if (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0)) { key_up = 0; key_pressed = 1; // ?????? } } else if (!GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0)) { key_up = 1; } } //Ö÷º¯Êý int main(void) { OS_ERR err; CPU_SR_ALLOC(); SystemInit();//ÓÉÓÚ±¾¹¤³ÌÊÇÓÉstm32f103zet6ÒÆÖ²ËùÀ´£¬Òò´ËÕâÀïÒò¼ÓÈë±¾º¯ÊýÈ·±£delayº¯ÊýÕý³£Ê¹Óà delay_init(); //ʱÖÓ³õʼ»¯ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//ÖжϷÖ×éÅäÖà uart_init(115200); //´®¿Ú³õʼ»¯ LED_Init(); KEY_Init(); // ??????? OSInit(&err); //³õʼ»¯UCOSIII OS_CRITICAL_ENTER(); //½øÈëÁÙ½çÇø //´´½¨¿ªÊ¼ÈÎÎñ OSTaskCreate((OS_TCB * )&StartTaskTCB, //ÈÎÎñ¿ØÖÆ¿é (CPU_CHAR * )"start task", //ÈÎÎñÃû×Ö (OS_TASK_PTR )start_task, //ÈÎÎñº¯Êý (void * )0, //´«µÝ¸øÈÎÎñº¯ÊýµÄ²ÎÊý (OS_PRIO )START_TASK_PRIO, //ÈÎÎñÓÅÏȼ¶ (CPU_STK * )&START_TASK_STK[0], //ÈÎÎñ¶ÑÕ»»ùµØÖ· (CPU_STK_SIZE)START_STK_SIZE/10, //ÈÎÎñ¶ÑÕ»Éî¶ÈÏÞλ (CPU_STK_SIZE)START_STK_SIZE, //ÈÎÎñ¶ÑÕ»´óС (OS_MSG_QTY )0, //ÈÎÎñÄÚ²¿ÏûÏ¢¶ÓÁÐÄܹ»½ÓÊÕµÄ×î´óÏûÏ¢ÊýÄ¿,Ϊ0ʱ½ûÖ¹½ÓÊÕÏûÏ¢ (OS_TICK )0, //µ±Ê¹ÄÜʱ¼äƬÂÖתʱµÄʱ¼äƬ³¤¶È£¬Îª0ʱΪĬÈϳ¤¶È£¬ (void * )0, //Óû§²¹³äµÄ´æ´¢Çø (OS_OPT )OS_OPT_TASK_STK_CHK|OS_OPT_TASK_STK_CLR, //ÈÎÎñÑ¡Ïî (OS_ERR * )&err); //´æ·Å¸Ãº¯Êý´íÎóʱµÄ·µ»ØÖµ OS_CRITICAL_EXIT(); //Í˳öÁÙ½çÇø OSStart(&err); //¿ªÆôUCOSIII } //¿ªÊ¼ÈÎÎñÈÎÎñº¯Êý void start_task(void *p_arg) { OS_ERR err; CPU_SR_ALLOC(); p_arg = p_arg; CPU_Init(); #if OS_CFG_STAT_TASK_EN > 0u OSStatTaskCPUUsageInit(&err); //ͳ¼ÆÈÎÎñ #endif #ifdef CPU_CFG_INT_DIS_MEAS_EN //Èç¹ûʹÄÜÁ˲âÁ¿ÖжϹرÕʱ¼ä CPU_IntDisMeasMaxCurReset(); #endif #if OS_CFG_SCHED_ROUND_ROBIN_EN //µ±Ê¹ÓÃʱ¼äƬÂÖתµÄʱºò //ʹÄÜʱ¼äƬÂÖתµ÷¶È¹¦ÄÜ,ʱ¼äƬ³¤¶ÈΪ1¸öϵͳʱÖÓ½ÚÅÄ£¬¼È1*5=5ms OSSchedRoundRobinCfg(DEF_ENABLED,1,&err); #endif OS_CRITICAL_ENTER(); //½øÈëÁÙ½çÇø //´´½¨TASK1ÈÎÎñ OSTaskCreate((OS_TCB * )&Task1_TaskTCB, (CPU_CHAR * )"Task1 task", (OS_TASK_PTR )task1_task, (void * )0, (OS_PRIO )TASK1_TASK_PRIO, (CPU_STK * )&TASK1_TASK_STK[0], (CPU_STK_SIZE)TASK1_STK_SIZE/10, (CPU_STK_SIZE)TASK1_STK_SIZE, (OS_MSG_QTY )0, (OS_TICK )0, (void * )0, (OS_OPT )OS_OPT_TASK_STK_CHK|OS_OPT_TASK_STK_CLR, (OS_ERR * )&err); //´´½¨TASK2ÈÎÎñ OSTaskCreate((OS_TCB * )&Task2_TaskTCB, (CPU_CHAR * )"task2 task", (OS_TASK_PTR )task2_task, (void * )0, (OS_PRIO )TASK2_TASK_PRIO, (CPU_STK * )&TASK2_TASK_STK[0], (CPU_STK_SIZE)TASK2_STK_SIZE/10, (CPU_STK_SIZE)TASK2_STK_SIZE, (OS_MSG_QTY )0, (OS_TICK )0, (void * )0, (OS_OPT )OS_OPT_TASK_STK_CHK|OS_OPT_TASK_STK_CLR, (OS_ERR * )&err); OS_CRITICAL_EXIT(); //Í˳öÁÙ½çÇø OSTaskDel((OS_TCB*)0,&err); //ɾ³ýstart_taskÈÎÎñ×ÔÉí } // ??1:??PB0(LED0) void task1_task(void *p_arg) { OS_ERR err; while (1) { Key_Scan(); if (key_pressed) { current_task = 2; // ?????2 key_pressed = 0; printf("Switch to Task2\n"); } else { // LED0?? GPIO_SetBits(GPIOB, GPIO_Pin_0); // LED0? OSTimeDlyHMSM(0, 0, 0, 5000, OS_OPT_TIME_HMSM_STRICT, &err); // 500ms GPIO_ResetBits(GPIOB, GPIO_Pin_0); // LED0? OSTimeDlyHMSM(0, 0, 0, 5000, OS_OPT_TIME_HMSM_STRICT, &err); // 500ms } } } void task2_task(void *p_arg) { OS_ERR err; while (1) { Key_Scan(); if (key_pressed) { current_task = 1; // ?????1 key_pressed = 0; printf("Switch back to Task1\n"); } else { // ????2??? // ??:LED1?? GPIO_SetBits(GPIOB, GPIO_Pin_1); // LED1? OSTimeDlyHMSM(0, 0, 0, 5000, OS_OPT_TIME_HMSM_STRICT, &err); // 500ms GPIO_ResetBits(GPIOB, GPIO_Pin_1); // LED1? OSTimeDlyHMSM(0, 0, 0, 5000, OS_OPT_TIME_HMSM_STRICT, &err); // 500ms } } }我现在需要刚开始时B0(任务一)LED闪烁,当按下按键后(A0)给予信息量,使得代码进入(任务二),再次摁下按键,两个任务均不执行
06-06
#include <reg52.h> //°üº¬51µ¥Æ¬»úÏà&sup1;صÄÍ·ÎÄ&frac14;þ #include <intrins.h> #define uint unsigned int //ÖØ¶¨ÒåÎÞ·ûºÅÕûÊýÀàÐÍ #define uchar unsigned char //ÖØ¶¨ÒåÎÞ·ûºÅ×Ö·ûÀàÐÍ uchar code LedShowData[]={0x03,0x9F,0x25,0x0D,0x99, //¶¨ÒåÊýÂë&sup1;ÜÏÔÊ&frac34;Êý&frac34;Ý 0x49,0x41,0x1F,0x01,0x19};//0,1,2,3,4,5,6,7,8,9 uchar code RecvData[]={0x19,0x46,0x15,0x44,0x43,0x40,0x0D,0x0E,0x00,0x0F}; uchar IRCOM[7]; static unsigned int LedFlash; //¶¨ÒåÉÁ¶¯ÆµÂÊ&frac14;ÆÊý±äÁ¿ unsigned char RunFlag=0; //¶¨ÒåÔËÐбêÖ&frac34;λ bit EnableLight=0; //¶¨ÒåÖ¸Ê&frac34;µÆÊ&sup1;ÄÜλ /*************Íê&sup3;É״ָ̬Ê&frac34;µÆ¶¨Òå*************/ sbit S1=P3^2; //¶¨ÒåS1°´&frac14;ü¶Ë¿Ú /*************Íê&sup3;ɵç»ú¿ØÖƶ˿ڶ¨Òå***********/ sbit M1A=P1^2; //¶¨Òåµç»ú1ÕýÏò¶Ë¿Ú sbit M1B=P1^3; //¶¨Òåµç»ú1·´Ïò¶Ë¿Ú sbit M2A=P1^4; //¶¨Òåµç»ú2ÕýÏò¶Ë¿Ú sbit M2B=P1^5; //¶¨Òåµç»ú2·´Ïò¶Ë¿Ú sbit IRIN=P3^3; //¶¨ÒåºìÍâ&frac12;ÓÊÕ¶Ë¿Ú /*********Íê&sup3;ɺìÍâ&frac12;ÓÊն˿ڵ͍Òå*************/ #define ShowPort P0 //¶¨ÒåÊýÂë&sup1;ÜÏÔÊ&frac34;¶Ë¿Ú extern void ControlCar(uchar CarType); //ÉùÃ÷С&sup3;µ¿ØÖÆ×Ó&sup3;ÌÐò void delayms(unsigned char x) //0.14mSÑÓʱ&sup3;ÌÐò { unsigned char i; //¶¨ÒåÁÙʱ±äÁ¿ while(x--) //ÑÓʱʱ&frac14;äÑ­»· { for (i = 0; i<13; i++) {} //14mSÑÓʱ } } void Delay1ms(unsigned int i) { unsigned char j,k; do{ j = 10; do{ k = 50; do{ _nop_(); }while(--k); }while(--j); }while(--i); } void Delay() //¶¨ÒåÑÓʱ×Ó&sup3;ÌÐò { uint DelayTime=30000; //¶¨ÒåÑÓʱʱ&frac14;ä±äÁ¿ while(DelayTime--); //¿ªÊ&frac14;&frac12;øÐÐÑÓʱѭ»· return; //×Ó&sup3;ÌÐò·µ»Ø } void tingzhi() { M1A=0; //&frac12;«M1µç»úA¶Ë&sup3;õÊ&frac14;»¯Îª0 M1B=0; //&frac12;«M1µç»úB¶Ë&sup3;õÊ&frac14;»¯Îª0 M2A=0; //&frac12;«M2µç»úA¶Ë&sup3;õÊ&frac14;»¯Îª0 M2B=0; } void qianjin() { M1A=1; M1B=0; M2A=1; M2B=0; } void houtui() { M1A=0; M1B=1; M2A=0; M2B=1; } void youzhuan() { M1A=1; M1B=0; M2A=0; M2B=1; } void zuozhuan() { M1A=0; M1B=1; M2A=1; M2B=0; } void ControlCar(unsigned char ConType) //¶¨Òåµç»ú¿ØÖÆ×Ó&sup3;ÌÐò { tingzhi(); switch(ConType) //ÅжÏÓû§É趨µç»úÐÎÊ&frac12; { case 1: //ǰ&frac12;ø //ÅжÏÓû§ÊÇ·ñÑ¡ÔñÐÎÊ&frac12;1 { tingzhi(); //&frac12;øÈëǰ&frac12;øÖ®Ç° ÏÈÍ£Ö&sup1;Ò»¶Îʱ&frac14;ä ·ÀÖ&sup1;µç»ú·´ÏòµçÑ&sup1;&sup3;å»÷Ö÷°å µ&frac14;ÖÂϵÍ&sup3;¸´Î» Delay1ms(240); qianjin(); ShowPort=LedShowData[1]; break; } case 2: //ºóÍË //ÅжÏÓû§ÊÇ·ñÑ¡ÔñÐÎÊ&frac12;2 { tingzhi(); //&frac12;øÈëºóÍË֮ǰ ÏÈÍ£Ö&sup1;Ò»¶Îʱ&frac14;ä ·ÀÖ&sup1;µç»ú·´ÏòµçÑ&sup1;&sup3;å»÷Ö÷°å µ&frac14;ÖÂϵÍ&sup3;¸´Î» Delay1ms(240); // LeftLed = 1 ; houtui(); ShowPort=LedShowData[2]; //M2µç»ú·´×ª break; } case 3: //×óת //ÅжÏÓû§ÊÇ·ñÑ¡ÔñÐÎÊ&frac12;3 { tingzhi(); //&frac12;øÈë×óת֮ǰ ÏÈÍ£Ö&sup1;Ò»¶Îʱ&frac14;ä ·ÀÖ&sup1;µç»ú·´ÏòµçÑ&sup1;&sup3;å»÷Ö÷°å µ&frac14;ÖÂϵÍ&sup3;¸´Î» Delay1ms(240); zuozhuan(); ShowPort=LedShowData[3]; //M2µç»úÕýת break; } case 4: //ÓÒת //ÅжÏÓû§ÊÇ·ñÑ¡ÔñÐÎÊ&frac12;4 { tingzhi(); //&frac12;øÈëÓÒת֮ǰ ÏÈÍ£Ö&sup1;Ò»¶Îʱ&frac14;ä ·ÀÖ&sup1;µç»ú·´ÏòµçÑ&sup1;&sup3;å»÷Ö÷°å µ&frac14;ÖÂϵÍ&sup3;¸´Î» Delay1ms(240); youzhuan(); //M1µç»úÕýת ShowPort=LedShowData[4]; //M2µç»ú·´×ª break; } case 5: //Í£Ö&sup1; //ÅжÏÓû§ÊÇ·ñÑ¡ÔñÐÎÊ&frac12;8 { tingzhi(); ShowPort=LedShowData[0]; break; //ÍË&sup3;öµ±Ç°Ñ¡Ôñ } } } void IR_IN() interrupt 2 using 0 //¶¨ÒåINT2ÍⲿÖжϺ¯Êý { unsigned char j,k,N=0; //¶¨ÒåÁÙʱ&frac12;ÓÊÕ±äÁ¿ EX1 = 0; //&sup1;رÕÍⲿÖжÏ,·ÀÖ&sup1;ÔÙÓÐÐźŵ&frac12;´ï delayms(15); //ÑÓʱʱ&frac14;䣬&frac12;øÐкìÍâÏû¶¶ if (IRIN==1) //ÅжϺìÍâÐźÅÊÇ·ñÏûʧ { EX1 =1; //ÍⲿÖжϿª return; //·µ»Ø } while (!IRIN) //µÈIR±äΪ¸ßµçÆ&frac12;£¬Ìø&sup1;ý9msµÄǰµ&frac14;µÍµçÆ&frac12;Ðźš£ { delayms(1); //ÑÓʱµÈ´ý } for (j=0;j<4;j++) //²É&frac14;¯ºìÍâÒ£¿ØÆ÷Êý&frac34;Ý { for (k=0;k<8;k++) //·Ö´Î²É&frac14;¯8λÊý&frac34;Ý { while (IRIN) //µÈ IR ±äΪµÍµçÆ&frac12;£¬Ìø&sup1;ý4.5msµÄǰµ&frac14;¸ßµçÆ&frac12;Ðźš£ { delayms(1); //ÑÓʱµÈ´ý } while (!IRIN) //µÈ IR ±äΪ¸ßµçÆ&frac12; { delayms(1); //ÑÓʱµÈ´ý } while (IRIN) //&frac14;ÆËãIR¸ßµçÆ&frac12;ʱ&sup3;¤ { delayms(1); //ÑÓʱµÈ´ý N++; //&frac14;ÆÊýÆ÷&frac14;Ó&frac14;Ó if (N>=30) //ÅжÏ&frac14;ÆÊýÆ÷ÀÛ&frac14;ÓÖµ { EX1=1; //´ò¿ªÍⲿÖжÏ&sup1;¦ÄÜ return; //·µ»Ø } } IRCOM[j]=IRCOM[j] >> 1; //&frac12;øÐÐÊý&frac34;ÝÎ»ÒÆ²Ù×÷²¢×Ô¶¯²&sup1;Áã if (N>=8) //ÅжÏÊý&frac34;Ý&sup3;¤¶È { IRCOM[j] = IRCOM[j] | 0x80; //Êý&frac34;Ý×î¸ßλ²&sup1;1 } N=0; //ÇåÁãλÊý&frac14;ÆÂ&frac14;Æ÷ } } if (IRCOM[2]!=~IRCOM[3]) //ÅжϵØÖ·ÂëÊÇ·ñÏàͬ { EX1=1; //´ò¿ªÍⲿÖÐ¶Ï return; //·µ»Ø } for(j=0;j<10;j++) //Ñ­»·&frac12;øÐÐ&frac14;üÂë&frac12;âÎö { if(IRCOM[2]==RecvData[j]) //&frac12;øÐÐ&frac14;üλ¶ÔÓ¦ { ControlCar(j); //ÊýÂë&sup1;ÜÏÔÊ&frac34;ÏàÓ¦ÊýÂë } } EX1 = 1; //ÍⲿÖжϿª } void main(void) //Ö÷&sup3;ÌÐòÈë¿Ú { bit ExeFlag=0; //¶¨Òå¿ÉÖ´ÐÐλ±äÁ¿ LedFlash=3000; //¶ÔÉÁµÆÊý&frac34;Ý&frac12;øÐÐ&sup3;õÊ&frac14;»¯ EX1=1; //ͬÒ⿪ÆôÍⲿÖжÏ1 IT1=1; //É趨ÍⲿÖжÏ1ΪµÍ±ßÔµ´¥·¢ÀàÐÍ EA=1; //×ÜÖжϿªÆô ShowPort=LedShowData[0]; //ÊýÂë&sup1;ÜÏÔÊ&frac34;Êý×Ö0 while(1) //&sup3;ÌÐòÖ÷Ñ­»· { Delay(); //ÑÓʱ // RunStopState=~RunStopState; //ÔËÐÐÖ¸Ê&frac34;µÆ×´Ì¬×ª±ä } }详细解释
06-01
/** **************************************************************************************************** * @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
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