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2008年中国IT双会在北京盛大开幕,本次大会以“融合”为主题,强调信息产业的整体发展与整合。大会聚集了国内外众多知名专家学者及业界精英,共同探讨信息技术的发展趋势。

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#include "sys.h" #include "delay.h" #include "usart.h" #include "includes.h" #include "led.h" /************************************************ ALIENTEK ¾«Ó¢°æSTM32¿ª·¢°åUCOSʵÑé Àý6-1 UCOSIII ÈÎÎñ´´½¨ÓÚɾ³ý ¼¼ÊõÖ§³Ö£ºwww.openedv.com ÌÔ±¦µêÆÌ£ºhttp://eboard.taobao.com ¹Ø×¢Î¢ÐŹ«ÖÚÆ½Ì¨Î¢Ðźţº"ÕýµãÔ­×Ó"£¬Ãâ·Ñ»ñÈ¡STM32×ÊÁÏ¡£ ¹ãÖÝÊÐÐÇÒíµç×ӿƼ¼ÓÐÏÞ¹«Ë¾ ×÷ÕߣºÕýµãÔ­×Ó @ALIENTEK ************************************************/ //UCOSIIIÖÐÒÔÏÂÓÅÏȼ¶Óû§³ÌÐò²»ÄÜʹÓã¬ALIENTEK //½«ÕâЩÓÅÏȼ¶·ÖÅ䏸ÁËUCOSIIIµÄ5¸öϵͳÄÚ²¿ÈÎÎñ //ÓÅÏȼ¶0£ºÖжϷþÎñ·þÎñ¹ÜÀíÈÎÎñ OS_IntQTask() //ÓÅÏȼ¶1£ºÊ±ÖÓ½ÚÅÄÈÎÎñ OS_TickTask() //ÓÅÏȼ¶2£º¶¨Ê±ÈÎÎñ OS_TmrTask() //ÓÅÏȼ¶OS_CFG_PRIO_MAX-2£ºÍ³¼ÆÈÎÎñ OS_StatTask() //ÓÅÏȼ¶OS_CFG_PRIO_MAX-1£º¿ÕÏÐÈÎÎñ OS_IdleTask() /* ΪÁËʵÏÖÁÙ½çÇøµÄ±£»¤£¬UCOSIIIÌṩÁËÁ½¸öºê£ºOS_CRITICAL_ENTER() ºÍOS_CRITICAL_EXIT()¡£ µ±Ò»¸öÈÎÎñ»òÖжϽøÈëÁÙ½çÇøÊ±£¬Ëü±ØÐëµ÷ÓÃOS_CRITICAL_ENTER()ºêÒÔ»ñµÃÁÙ½çÇøµÄ±£»¤¡£ Õâ¸öºê½«½ûÓÃÖжϣ¬ÒÔÈ·±£Ö´ÐÐÁÙ½çÇøµÄ´úÂë²»»á±»ÖжϻòÇÀÕ¼£¬´Ó¶ø±£Ö¤ÁËÁÙ½çÇøµÄÔ­×ÓÐÔ¡£ µ±´úÂëÖ´ÐÐÍê±Ïʱ£¬ÈÎÎñ»òÖжϱØÐëµ÷ÓÃOS_CRITICAL_EXIT()ºêÀ´»Ö¸´Öжϣ¬ÒÔ±ãÆäËûÈÎÎñºÍÖжϿÉÒÔ·ÃÎʹ²Ïí×ÊÔ´²¢Ö´ÐÐËüÃǵĴúÂë¡£ ʹÓÃOS_CRITICAL_ENTER()ºÍOS_CRITICAL_EXIT()ºêÀ´±£»¤ÁÙ½çÇø£¬ ÄÇôÔÚÈÎÎñT1Ö´ÐеÄÕû¸öʱ¼äÄÚ£¬ÖжϽ«±»½ûÓ㬠ÆäËûÈÎÎñ½«²»ÄÜ·ÃÎʹ²Ïí×ÊÔ´²¢ÇÒÁÙ½çÇøµÄ´úÂ뽫ÒÔÔ­×Ó·½Ê½Ö´ÐÐÍê±Ï¡£ ÕâÑù¿ÉÒÔÈ·±£ÁÙ½çÇø´úÂëµÄÕýÈ·ÐÔ£¬±ÜÃ⾺ÕùÌõ¼þºÍÆäËûͬ²½ÎÊÌâ¡£ */ /* ÔÚUCOS IIIÖУ¬ÈÎÎñµÄÖ´ÐÐ˳ÐòÊÇ»ùÓÚÓÅÏȼ¶µ÷¶ÈËã·¨¡£ ÿ¸öÈÎÎñ¶¼ÓÐÒ»¸öÓÅÏȼ¶£¨0µ½255£©£¬¾ßÓиü¸ßÓÅÏȼ¶µÄÈÎÎñ±ÈµÍÓÅÏȼ¶µÄÈÎÎñ¸ü¿ÉÄܵõ½µ÷¶È¡£ UCOS IIIʹÓÃÇÀռʽµ÷¶È£¬ÕâÒâζ×ŵ±ÓÐÒ»¸ö¸ßÓÅÏȼ¶µÄÈÎÎñ¾ÍÐ÷ʱ£¬µ±Ç°ÕýÔÚÖ´ÐеÄÈÎÎñ½«±»Öжϲ¢ÇÒ¸ßÓÅÏȼ¶ÈÎÎñ½«±»Ö´ÐС£ ÕâÈ·±£Á˾ßÓиü¸ßÓÅÏȼ¶µÄÈÎÎñ¿ÉÒÔ¼°Ê±»ñµÃÖ´ÐУ¬±ÜÃⳤʱ¼ä±»µÍÓÅÏȼ¶ÈÎÎñÕ¼Óô¦ÀíÆ÷µÄÇé¿ö·¢Éú¡£ UCOS IIIÈÎÎñµÄÖ´ÐÐÊÇͨ¹ýÉÏÏÂÎÄÇл»ÊµÏֵġ£ ÉÏÏÂÎÄÇл»ÊÇÖ¸½«´¦ÀíÆ÷µÄ״̬´ÓÒ»¸öÈÎÎñ±£´æµ½Äڴ棬Ȼºó½«ÁíÒ»¸öÈÎÎñµÄ×´Ì¬×°ÔØµ½´¦ÀíÆ÷ÖУ¬ÒÔÔÚ²»¼ä¶ÏµÄÇé¿öÏÂת»»ÈÎÎñÖ´ÐС£ µ±Ò»¸öÈÎÎñÐèÒª±»ÖÐֹʱ£¬¼´Ö´ÐÐOS_TaskSuspend()º¯Êýʱ£¬UCOS III´¦ÀíÆ÷»áÖ´ÐÐÒ»¸öÈÎÎñÇл»Öжϲ¢½«¿ØÖÆÈ¨×ªÒƵ½ÁíÒ»¸öÈÎÎñ¡£ ÈÎÎñÇл»Í¨³£·¢ÉúÔÚÒÔÏÂÇé¿öÏ£º µ±ÈÎÎñÖ÷¶¯µ÷ÓÃÁËÈÎÎñ¿ØÖƺ¯Êý£¨ÀýÈ磬OS_Delay()¡¢OS_EventWait()¡¢OS_TaskSuspend()µÈ£©²¢ÍËÈÃCPUʱ£» µ±Ä³¸öÖжϷþÎñ³ÌÐò(ISR)ÔڹؼüÈÎÎñÖ´ÐÐÆÚ¼äÖ´ÐУ¨¼´ÖжÏÓÅÏȼ¶¸ßÓڹؼüÈÎÎñµÄÓÅÏȼ¶£©¡£ */ //¿ªÊ¼ÈÎÎñ£¬´´½¨ÍêÈÎÎñ¶þºÍÈÎÎñÈý¾Íɾ³ý×Ô¼º //ÈÎÎñÓÅÏȼ¶ #define START_TASK_PRIO 3 //ÈÎÎñ¶ÑÕ»´óС #define START_STK_SIZE 128 //ÈÎÎñ¿ØÖÆ¿é OS_TCB StartTaskTCB; //ÈÎÎñ¶ÑÕ» CPU_STK START_TASK_STK[START_STK_SIZE]; //ÈÎÎñº¯Êý void start_task(void *p_arg); ///ÈÎÎñ¶þÁÁµÆ£¬²¢´òÓ¡³öÐÅÏ¢ //ÈÎÎñÓÅÏȼ¶ #define TASK1_TASK_PRIO 4 //ÈÎÎñ¶ÑÕ»´óС #define TASK1_STK_SIZE 128 //ÈÎÎñ¿ØÖÆ¿é OS_TCB Task1_TaskTCB; //ÈÎÎñ¶ÑÕ» CPU_STK TASK1_TASK_STK[TASK1_STK_SIZE]; void task1_task(void *p_arg); ///ÈÎÎñÈý£¬´òÓ¡ÈÎÎñÈýÖ´ÐÐÐÅÏ¢ //ÈÎÎñÓÅÏȼ¶ #define TASK2_TASK_PRIO 5 //ÈÎÎñ¶ÑÕ»´óС #define TASK2_STK_SIZE 128 //ÈÎÎñ¿ØÖÆ¿é OS_TCB Task2_TaskTCB; //ÈÎÎñ¶ÑÕ» CPU_STK TASK2_TASK_STK[TASK2_STK_SIZE]; //ÈÎÎñº¯Êý void task2_task(void *p_arg); volatile u8 key_pressed = 0; volatile u8 current_task = 1; void KEY_Init(void) { GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; // ???? 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
USART_TypeDef * DeBugUsart = USART1; //¼ÓÈëÒÔÏ´úÂë,Ö§³Öprintfº¯Êý,¶ø²»ÐèҪѡÔñuse MicroLIB #if 1 #pragma import(__use_no_semihosting) //±ê×¼¿âÐèÒªµÄÖ§³Öº¯Êý struct __FILE { int handle; }; FILE __stdout; //¶¨Òå_sys_exit()ÒÔ±ÜÃâʹÓðëÖ÷»úģʽ void _sys_exit(int x) { x = x; } //ÖØ¶¨Òåfputcº¯Êý int fputc(int ch, FILE *f) { while((DeBugUsart->SR&0X40)==0);//Ñ­»··¢ËÍ,Ö±µ½·¢ËÍÍê±Ï DeBugUsart->DR = (u8) ch; // USART3->DR = (u8) ch; return ch; } #endif UART_HandleTypeDef huart1; UART_HandleTypeDef huart3; //½ÓÊÕ״̬ //bit15£¬ ½ÓÊÕÍê³É±êÖ¾ //bit14£¬ ½ÓÊÕµ½0x0d //bit13~0£¬ ½ÓÊÕµ½µÄÓÐЧ×Ö½ÚÊýÄ¿ u16 USART_RX_STA=0; //½ÓÊÕ״̬±ê¼Ç u16 USART3_RX_STA=0; //½ÓÊÕ״̬±ê¼Ç u8 aRxBuffer[RXBUFFERSIZE];//HAL¿âʹÓõĴ®¿Ú½ÓÊÕ»º³å u8 aRxBuffer3[RXBUFFERSIZE];//HAL¿âʹÓõĴ®¿Ú½ÓÊÕ»º³å u8 USART_RX_BUF[USART_REC_LEN]; //½ÓÊÕ»º³å,×î´óUSART_REC_LEN¸ö×Ö½Ú. u8 USART3_RX_BUF[USART_REC_LEN]; //½ÓÊÕ»º³å,×î´óUSART_REC_LEN¸ö×Ö½Ú. //½ÓÊÕ״̬ //bit15£¬ ½ÓÊÕÍê³É±êÖ¾ //bit14£¬ ½ÓÊÕµ½0x0d //bit13~0£¬ ½ÓÊÕµ½µÄÓÐЧ×Ö½ÚÊýÄ¿ extern volatile int led_state,motor1_state,motor2_state; //µÆ¹â £¬ ²½½øµç»ú1£¨´°Á±£©£¬²½½øµç»ú2£¨´°»§£© extern volatile u8 mode; //¹¤×÷ģʽ²ÎÊý 0£»ÊÖ¶¯Ä£Ê½£¬1£º×Ô¶¯Ä£Ê½ 帮我解释一下为什么这样变成,什么是半主机
03-11
/** **************************************************************************************************** * @file usart.c * @author ÕýµãÔ­×ÓÍŶÓ(ALIENTEK) * @version V1.1 * @date 2023-06-05 * @brief ´®¿Ú³õʼ»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§³Öprintf * @license Copyright (c) 2020-2032, ¹ãÖÝÊÐÐÇÒíµç×ӿƼ¼ÓÐÏÞ¹«Ë¾ **************************************************************************************************** * @attention * * ʵÑéÆ½Ì¨:ÕýµãÔ­×Ó Ì½Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * ¼¼ÊõÂÛ̳:www.openedv.com * ¹«Ë¾ÍøÖ·:www.alientek.com * ¹ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²¼ * V1.1 20230605 * ɾ³ýUSART_UX_IRQHandler()º¯ÊýµÄ³¬Ê±´¦ÀíºÍÐÞ¸ÄHAL_UART_RxCpltCallback() **************************************************************************************************** */ #include "./SYSTEM/sys/sys.h" #include "./SYSTEM/usart/usart.h" /* Èç¹ûʹÓÃos,Ôò°üÀ¨ÏÂÃæµÄÍ·Îļþ¼´¿É */ #if SYS_SUPPORT_OS #include "os.h" /* os ʹÓà */ #endif /******************************************************************************************/ /* ¼ÓÈëÒÔÏ´úÂë, Ö§³Öprintfº¯Êý, ¶ø²»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* ʹÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷²»Ê¹ÓðëÖ÷»úģʽ */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ²ÎÊý¸ñʽ£¬·ñÔò²¿·ÖÀý³Ì¿ÉÄܳöÏÖ°ëÖ÷»úģʽ */ #else /* ʹÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ ²»Ê¹ÓðëÖ÷»úģʽ */ #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»Ê¹ÓðëÖ÷»úģʽ£¬ÖÁÉÙÐèÒªÖØ¶¨Òå_ttywrch\_sys_exit\_sys_command_stringº¯Êý,ÒÔͬʱ¼æÈÝAC6ºÍAC5ģʽ */ int _ttywrch(int ch) { ch = ch; return ch; } /* ¶¨Òå_sys_exit()ÒÔ±ÜÃâʹÓðëÖ÷»úģʽ */ 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»áͨ¹ýµ÷ÓÃfputcÊä³ö×Ö·û´®µ½´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê³É */ USART1->DR = (uint8_t)ch; /* ½«Òª·¢Ë͵Ä×Ö·û ch дÈëµ½DR¼Ä´æÆ÷ */ return ch; } #endif /***********************************************END*******************************************/ #if USART_EN_RX /* Èç¹ûʹÄÜÁ˽ÓÊÕ */ /* ½ÓÊÕ»º³å, ×î´óUSART_REC_LEN¸ö×Ö½Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* ½ÓÊÕ״̬ * bit15£¬ ½ÓÊÕÍê³É±êÖ¾ * bit14£¬ ½ÓÊÕµ½0x0d * bit13~0£¬ ½ÓÊÕµ½µÄÓÐЧ×Ö½ÚÊýÄ¿ */ uint16_t g_usart_rx_sta = 0; uint8_t g_rx_buffer[RXBUFFERSIZE]; /* HAL¿âʹÓõĴ®¿Ú½ÓÊÕ»º³å */ UART_HandleTypeDef g_uart1_handle; /* UART¾ä±ú */ /** * @brief ´®¿ÚX³õʼ»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù¾Ý×Ô¼ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂʾͻáÉèÖÃÒì³£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒѾ­ÉèÖùýÁË. * @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; /* ×Ö³¤Îª8λÊý¾Ý¸ñʽ */ g_uart1_handle.Init.StopBits = UART_STOPBITS_1; /* Ò»¸öֹͣλ */ g_uart1_handle.Init.Parity = UART_PARITY_NONE; /* ÎÞÆæÅ¼Ð£Ñéλ */ g_uart1_handle.Init.HwFlowCtl = UART_HWCONTROL_NONE; /* ÎÞÓ²¼þÁ÷¿Ø */ g_uart1_handle.Init.Mode = UART_MODE_TX_RX; /* ÊÕ·¢Ä£Ê½ */ HAL_UART_Init(&g_uart1_handle); /* HAL_UART_Init()»áʹÄÜUART1 */ /* ¸Ãº¯Êý»á¿ªÆô½ÓÊÕÖжϣº±ê־λUART_IT_RXNE£¬²¢ÇÒÉèÖýÓÊÕ»º³åÒÔ¼°½ÓÊÕ»º³å½ÓÊÕ×î´óÊý¾ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã³õʼ»¯º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê³ÉʱÖÓʹÄÜ£¬Òý½ÅÅäÖã¬ÖжÏÅäÖà * @retval ÎÞ */ void HAL_UART_MspInit(UART_HandleTypeDef *huart) { GPIO_InitTypeDef gpio_init_struct; if(huart->Instance == USART_UX) /* Èç¹ûÊÇ´®¿Ú1£¬½øÐд®¿Ú1 MSP³õʼ»¯ */ { USART_UX_CLK_ENABLE(); /* USART1 ʱÖÓʹÄÜ */ USART_TX_GPIO_CLK_ENABLE(); /* ·¢ËÍÒý½ÅʱÖÓʹÄÜ */ USART_RX_GPIO_CLK_ENABLE(); /* ½ÓÊÕÒý½ÅʱÖÓʹÄÜ */ gpio_init_struct.Pin = USART_TX_GPIO_PIN; /* TXÒý½Å */ gpio_init_struct.Mode = GPIO_MODE_AF_PP; /* ¸´ÓÃÍÆÍìÊä³ö */ 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); /* ³õʼ»¯·¢ËÍÒý½Å */ gpio_init_struct.Pin = USART_RX_GPIO_PIN; /* RXÒý½Å */ gpio_init_struct.Alternate = USART_RX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_RX_GPIO_PORT, &gpio_init_struct); /* ³õʼ»¯½ÓÊÕÒý½Å */ #if USART_EN_RX HAL_NVIC_EnableIRQ(USART_UX_IRQn); /* ʹÄÜUSART1ÖжÏͨµÀ */ HAL_NVIC_SetPriority(USART_UX_IRQn, 3, 3); /* ÇÀÕ¼ÓÅÏȼ¶3£¬×ÓÓÅÏȼ¶3 */ #endif } } /** * @brief Rx´«Ê仨µ÷º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @retval ÎÞ */ void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { if(huart->Instance == USART_UX) /* Èç¹ûÊÇ´®¿Ú1 */ { if((g_usart_rx_sta & 0x8000) == 0) /* ½ÓÊÕδÍê³É */ { if(g_usart_rx_sta & 0x4000) /* ½ÓÊÕµ½ÁË0x0d */ { if(g_rx_buffer[0] != 0x0a) { g_usart_rx_sta = 0; /* ½ÓÊÕ´íÎó,ÖØÐ¿ªÊ¼ */ } else { g_usart_rx_sta |= 0x8000; /* ½ÓÊÕÍê³ÉÁË */ } } else /* »¹Ã»ÊÕµ½0X0D */ { 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; /* ½ÓÊÕÊý¾Ý´íÎó,ÖØÐ¿ªÊ¼½ÓÊÕ */ } } } } 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 /* ʹÓÃOS */ OSIntEnter(); #endif HAL_UART_IRQHandler(&g_uart1_handle); /* µ÷ÓÃHAL¿âÖжϴ¦Àí¹«Óú¯Êý */ #if SYS_SUPPORT_OS /* ʹÓÃOS */ OSIntExit(); #endif } #endif /** **************************************************************************************************** * @file usart.c * @author ÕýµãÔ­×ÓÍŶÓ(ALIENTEK) * @version V1.1 * @date 2023-06-05 * @brief ´®¿Ú³õʼ»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§³Öprintf * @license Copyright (c) 2020-2032, ¹ãÖÝÊÐÐÇÒíµç×ӿƼ¼ÓÐÏÞ¹«Ë¾ **************************************************************************************************** * @attention * * ʵÑéÆ½Ì¨:ÕýµãÔ­×Ó Ì½Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * ¼¼ÊõÂÛ̳:www.openedv.com * ¹«Ë¾ÍøÖ·:www.alientek.com * ¹ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²¼ * V1.1 20230605 * ɾ³ýUSART_UX_IRQHandler()º¯ÊýµÄ³¬Ê±´¦ÀíºÍÐÞ¸ÄHAL_UART_RxCpltCallback() **************************************************************************************************** */ #include "./SYSTEM/sys/sys.h" #include "./SYSTEM/usart/usart.h" /* Èç¹ûʹÓÃos,Ôò°üÀ¨ÏÂÃæµÄÍ·Îļþ¼´¿É */ #if SYS_SUPPORT_OS #include "os.h" /* os ʹÓà */ #endif /******************************************************************************************/ /* ¼ÓÈëÒÔÏ´úÂë, Ö§³Öprintfº¯Êý, ¶ø²»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* ʹÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷²»Ê¹ÓðëÖ÷»úģʽ */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ²ÎÊý¸ñʽ£¬·ñÔò²¿·ÖÀý³Ì¿ÉÄܳöÏÖ°ëÖ÷»úģʽ */ #else /* ʹÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ ²»Ê¹ÓðëÖ÷»úģʽ */ #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»Ê¹ÓðëÖ÷»úģʽ£¬ÖÁÉÙÐèÒªÖØ¶¨Òå_ttywrch\_sys_exit\_sys_command_stringº¯Êý,ÒÔͬʱ¼æÈÝAC6ºÍAC5ģʽ */ int _ttywrch(int ch) { ch = ch; return ch; } /* ¶¨Òå_sys_exit()ÒÔ±ÜÃâʹÓðëÖ÷»úģʽ */ 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»áͨ¹ýµ÷ÓÃfputcÊä³ö×Ö·û´®µ½´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê³É */ USART1->DR = (uint8_t)ch; /* ½«Òª·¢Ë͵Ä×Ö·û ch дÈëµ½DR¼Ä´æÆ÷ */ return ch; } #endif /***********************************************END*******************************************/ #if USART_EN_RX /* Èç¹ûʹÄÜÁ˽ÓÊÕ */ /* ½ÓÊÕ»º³å, ×î´óUSART_REC_LEN¸ö×Ö½Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* ½ÓÊÕ״̬ * bit15£¬ ½ÓÊÕÍê³É±êÖ¾ * bit14£¬ ½ÓÊÕµ½0x0d * bit13~0£¬ ½ÓÊÕµ½µÄÓÐЧ×Ö½ÚÊýÄ¿ */ uint16_t g_usart_rx_sta = 0; uint8_t g_rx_buffer[RXBUFFERSIZE]; /* HAL¿âʹÓõĴ®¿Ú½ÓÊÕ»º³å */ UART_HandleTypeDef g_uart1_handle; /* UART¾ä±ú */ /** * @brief ´®¿ÚX³õʼ»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù¾Ý×Ô¼ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂʾͻáÉèÖÃÒì³£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒѾ­ÉèÖùýÁË. * @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; /* ×Ö³¤Îª8λÊý¾Ý¸ñʽ */ g_uart1_handle.Init.StopBits = UART_STOPBITS_1; /* Ò»¸öֹͣλ */ g_uart1_handle.Init.Parity = UART_PARITY_NONE; /* ÎÞÆæÅ¼Ð£Ñéλ */ g_uart1_handle.Init.HwFlowCtl = UART_HWCONTROL_NONE; /* ÎÞÓ²¼þÁ÷¿Ø */ g_uart1_handle.Init.Mode = UART_MODE_TX_RX; /* ÊÕ·¢Ä£Ê½ */ HAL_UART_Init(&g_uart1_handle); /* HAL_UART_Init()»áʹÄÜUART1 */ /* ¸Ãº¯Êý»á¿ªÆô½ÓÊÕÖжϣº±ê־λUART_IT_RXNE£¬²¢ÇÒÉèÖýÓÊÕ»º³åÒÔ¼°½ÓÊÕ»º³å½ÓÊÕ×î´óÊý¾ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã³õʼ»¯º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê³ÉʱÖÓʹÄÜ£¬Òý½ÅÅäÖã¬ÖжÏÅäÖà * @retval ÎÞ */ void HAL_UART_MspInit(UART_HandleTypeDef *huart) { GPIO_InitTypeDef gpio_init_struct; if(huart->Instance == USART_UX) /* Èç¹ûÊÇ´®¿Ú1£¬½øÐд®¿Ú1 MSP³õʼ»¯ */ { USART_UX_CLK_ENABLE(); /* USART1 ʱÖÓʹÄÜ */ USART_TX_GPIO_CLK_ENABLE(); /* ·¢ËÍÒý½ÅʱÖÓʹÄÜ */ USART_RX_GPIO_CLK_ENABLE(); /* ½ÓÊÕÒý½ÅʱÖÓʹÄÜ */ gpio_init_struct.Pin = USART_TX_GPIO_PIN; /* TXÒý½Å */ gpio_init_struct.Mode = GPIO_MODE_AF_PP; /* ¸´ÓÃÍÆÍìÊä³ö */ 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); /* ³õʼ»¯·¢ËÍÒý½Å */ gpio_init_struct.Pin = USART_RX_GPIO_PIN; /* RXÒý½Å */ gpio_init_struct.Alternate = USART_RX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_RX_GPIO_PORT, &gpio_init_struct); /* ³õʼ»¯½ÓÊÕÒý½Å */ #if USART_EN_RX HAL_NVIC_EnableIRQ(USART_UX_IRQn); /* ʹÄÜUSART1ÖжÏͨµÀ */ HAL_NVIC_SetPriority(USART_UX_IRQn, 3, 3); /* ÇÀÕ¼ÓÅÏȼ¶3£¬×ÓÓÅÏȼ¶3 */ #endif } } /** * @brief Rx´«Ê仨µ÷º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @retval ÎÞ */ void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { if(huart->Instance == USART_UX) /* Èç¹ûÊÇ´®¿Ú1 */ { if((g_usart_rx_sta & 0x8000) == 0) /* ½ÓÊÕδÍê³É */ { if(g_usart_rx_sta & 0x4000) /* ½ÓÊÕµ½ÁË0x0d */ { if(g_rx_buffer[0] != 0x0a) { g_usart_rx_sta = 0; /* ½ÓÊÕ´íÎó,ÖØÐ¿ªÊ¼ */ } else { g_usart_rx_sta |= 0x8000; /* ½ÓÊÕÍê³ÉÁË */ } } else /* »¹Ã»ÊÕµ½0X0D */ { 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; /* ½ÓÊÕÊý¾Ý´íÎó,ÖØÐ¿ªÊ¼½ÓÊÕ */ } } } } 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 /* ʹÓÃOS */ OSIntEnter(); #endif HAL_UART_IRQHandler(&g_uart1_handle); /* µ÷ÓÃHAL¿âÖжϴ¦Àí¹«Óú¯Êý */ #if SYS_SUPPORT_OS /* ʹÓÃOS */ OSIntExit(); #endif } #endif /** **************************************************************************************************** * @file usart.c * @author ÕýµãÔ­×ÓÍŶÓ(ALIENTEK) * @version V1.1 * @date 2023-06-05 * @brief ´®¿Ú³õʼ»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§³Öprintf * @license Copyright (c) 2020-2032, ¹ãÖÝÊÐÐÇÒíµç×ӿƼ¼ÓÐÏÞ¹«Ë¾ **************************************************************************************************** * @attention * * ʵÑéÆ½Ì¨:ÕýµãÔ­×Ó Ì½Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * ¼¼ÊõÂÛ̳:www.openedv.com * ¹«Ë¾ÍøÖ·:www.alientek.com * ¹ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²¼ * V1.1 20230605 * ɾ³ýUSART_UX_IRQHandler()º¯ÊýµÄ³¬Ê±´¦ÀíºÍÐÞ¸ÄHAL_UART_RxCpltCallback() **************************************************************************************************** */ #include "./SYSTEM/sys/sys.h" #include "./SYSTEM/usart/usart.h" /* Èç¹ûʹÓÃos,Ôò°üÀ¨ÏÂÃæµÄÍ·Îļþ¼´¿É */ #if SYS_SUPPORT_OS #include "os.h" /* os ʹÓà */ #endif /******************************************************************************************/ /* ¼ÓÈëÒÔÏ´úÂë, Ö§³Öprintfº¯Êý, ¶ø²»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* ʹÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷²»Ê¹ÓðëÖ÷»úģʽ */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ²ÎÊý¸ñʽ£¬·ñÔò²¿·ÖÀý³Ì¿ÉÄܳöÏÖ°ëÖ÷»úģʽ */ #else /* ʹÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ ²»Ê¹ÓðëÖ÷»úģʽ */ #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»Ê¹ÓðëÖ÷»úģʽ£¬ÖÁÉÙÐèÒªÖØ¶¨Òå_ttywrch\_sys_exit\_sys_command_stringº¯Êý,ÒÔͬʱ¼æÈÝAC6ºÍAC5ģʽ */ int _ttywrch(int ch) { ch = ch; return ch; } /* ¶¨Òå_sys_exit()ÒÔ±ÜÃâʹÓðëÖ÷»úģʽ */ 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»áͨ¹ýµ÷ÓÃfputcÊä³ö×Ö·û´®µ½´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê³É */ USART1->DR = (uint8_t)ch; /* ½«Òª·¢Ë͵Ä×Ö·û ch дÈëµ½DR¼Ä´æÆ÷ */ return ch; } #endif /***********************************************END*******************************************/ #if USART_EN_RX /* Èç¹ûʹÄÜÁ˽ÓÊÕ */ /* ½ÓÊÕ»º³å, ×î´óUSART_REC_LEN¸ö×Ö½Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* ½ÓÊÕ״̬ * bit15£¬ ½ÓÊÕÍê³É±êÖ¾ * bit14£¬ ½ÓÊÕµ½0x0d * bit13~0£¬ ½ÓÊÕµ½µÄÓÐЧ×Ö½ÚÊýÄ¿ */ uint16_t g_usart_rx_sta = 0; uint8_t g_rx_buffer[RXBUFFERSIZE]; /* HAL¿âʹÓõĴ®¿Ú½ÓÊÕ»º³å */ UART_HandleTypeDef g_uart1_handle; /* UART¾ä±ú */ /** * @brief ´®¿ÚX³õʼ»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù¾Ý×Ô¼ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂʾͻáÉèÖÃÒì³£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒѾ­ÉèÖùýÁË. * @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; /* ×Ö³¤Îª8λÊý¾Ý¸ñʽ */ g_uart1_handle.Init.StopBits = UART_STOPBITS_1; /* Ò»¸öֹͣλ */ g_uart1_handle.Init.Parity = UART_PARITY_NONE; /* ÎÞÆæÅ¼Ð£Ñéλ */ g_uart1_handle.Init.HwFlowCtl = UART_HWCONTROL_NONE; /* ÎÞÓ²¼þÁ÷¿Ø */ g_uart1_handle.Init.Mode = UART_MODE_TX_RX; /* ÊÕ·¢Ä£Ê½ */ HAL_UART_Init(&g_uart1_handle); /* HAL_UART_Init()»áʹÄÜUART1 */ /* ¸Ãº¯Êý»á¿ªÆô½ÓÊÕÖжϣº±ê־λUART_IT_RXNE£¬²¢ÇÒÉèÖýÓÊÕ»º³åÒÔ¼°½ÓÊÕ»º³å½ÓÊÕ×î´óÊý¾ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã³õʼ»¯º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê³ÉʱÖÓʹÄÜ£¬Òý½ÅÅäÖã¬ÖжÏÅäÖà * @retval ÎÞ */ void HAL_UART_MspInit(UART_HandleTypeDef *huart) { GPIO_InitTypeDef gpio_init_struct; if(huart->Instance == USART_UX) /* Èç¹ûÊÇ´®¿Ú1£¬½øÐд®¿Ú1 MSP³õʼ»¯ */ { USART_UX_CLK_ENABLE(); /* USART1 ʱÖÓʹÄÜ */ USART_TX_GPIO_CLK_ENABLE(); /* ·¢ËÍÒý½ÅʱÖÓʹÄÜ */ USART_RX_GPIO_CLK_ENABLE(); /* ½ÓÊÕÒý½ÅʱÖÓʹÄÜ */ gpio_init_struct.Pin = USART_TX_GPIO_PIN; /* TXÒý½Å */ gpio_init_struct.Mode = GPIO_MODE_AF_PP; /* ¸´ÓÃÍÆÍìÊä³ö */ 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); /* ³õʼ»¯·¢ËÍÒý½Å */ gpio_init_struct.Pin = USART_RX_GPIO_PIN; /* RXÒý½Å */ gpio_init_struct.Alternate = USART_RX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_RX_GPIO_PORT, &gpio_init_struct); /* ³õʼ»¯½ÓÊÕÒý½Å */ #if USART_EN_RX HAL_NVIC_EnableIRQ(USART_UX_IRQn); /* ʹÄÜUSART1ÖжÏͨµÀ */ HAL_NVIC_SetPriority(USART_UX_IRQn, 3, 3); /* ÇÀÕ¼ÓÅÏȼ¶3£¬×ÓÓÅÏȼ¶3 */ #endif } } /** * @brief Rx´«Ê仨µ÷º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @retval ÎÞ */ void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { if(huart->Instance == USART_UX) /* Èç¹ûÊÇ´®¿Ú1 */ { if((g_usart_rx_sta & 0x8000) == 0) /* ½ÓÊÕδÍê³É */ { if(g_usart_rx_sta & 0x4000) /* ½ÓÊÕµ½ÁË0x0d */ { if(g_rx_buffer[0] != 0x0a) { g_usart_rx_sta = 0; /* ½ÓÊÕ´íÎó,ÖØÐ¿ªÊ¼ */ } else { g_usart_rx_sta |= 0x8000; /* ½ÓÊÕÍê³ÉÁË */ } } else /* »¹Ã»ÊÕµ½0X0D */ { 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; /* ½ÓÊÕÊý¾Ý´íÎó,ÖØÐ¿ªÊ¼½ÓÊÕ */ } } } } 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 /* ʹÓÃOS */ OSIntEnter(); #endif HAL_UART_IRQHandler(&g_uart1_handle); /* µ÷ÓÃHAL¿âÖжϴ¦Àí¹«Óú¯Êý */ #if SYS_SUPPORT_OS /* ʹÓÃOS */ OSIntExit(); #endif } #endif /** **************************************************************************************************** * @file usart.c * @author ÕýµãÔ­×ÓÍŶÓ(ALIENTEK) * @version V1.1 * @date 2023-06-05 * @brief ´®¿Ú³õʼ»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§³Öprintf * @license Copyright (c) 2020-2032, ¹ãÖÝÊÐÐÇÒíµç×ӿƼ¼ÓÐÏÞ¹«Ë¾ **************************************************************************************************** * @attention * * ʵÑéÆ½Ì¨:ÕýµãÔ­×Ó Ì½Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * ¼¼ÊõÂÛ̳:www.openedv.com * ¹«Ë¾ÍøÖ·:www.alientek.com * ¹ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²¼ * V1.1 20230605 * ɾ³ýUSART_UX_IRQHandler()º¯ÊýµÄ³¬Ê±´¦ÀíºÍÐÞ¸ÄHAL_UART_RxCpltCallback() **************************************************************************************************** */ #include "./SYSTEM/sys/sys.h" #include "./SYSTEM/usart/usart.h" /* Èç¹ûʹÓÃos,Ôò°üÀ¨ÏÂÃæµÄÍ·Îļþ¼´¿É */ #if SYS_SUPPORT_OS #include "os.h" /* os ʹÓà */ #endif /******************************************************************************************/ /* ¼ÓÈëÒÔÏ´úÂë, Ö§³Öprintfº¯Êý, ¶ø²»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* ʹÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷²»Ê¹ÓðëÖ÷»úģʽ */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ²ÎÊý¸ñʽ£¬·ñÔò²¿·ÖÀý³Ì¿ÉÄܳöÏÖ°ëÖ÷»úģʽ */ #else /* ʹÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ ²»Ê¹ÓðëÖ÷»úģʽ */ #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»Ê¹ÓðëÖ÷»úģʽ£¬ÖÁÉÙÐèÒªÖØ¶¨Òå_ttywrch\_sys_exit\_sys_command_stringº¯Êý,ÒÔͬʱ¼æÈÝAC6ºÍAC5ģʽ */ int _ttywrch(int ch) { ch = ch; return ch; } /* ¶¨Òå_sys_exit()ÒÔ±ÜÃâʹÓðëÖ÷»úģʽ */ 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»áͨ¹ýµ÷ÓÃfputcÊä³ö×Ö·û´®µ½´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê³É */ USART1->DR = (uint8_t)ch; /* ½«Òª·¢Ë͵Ä×Ö·û ch дÈëµ½DR¼Ä´æÆ÷ */ return ch; } #endif /***********************************************END*******************************************/ #if USART_EN_RX /* Èç¹ûʹÄÜÁ˽ÓÊÕ */ /* ½ÓÊÕ»º³å, ×î´óUSART_REC_LEN¸ö×Ö½Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* ½ÓÊÕ״̬ * bit15£¬ ½ÓÊÕÍê³É±êÖ¾ * bit14£¬ ½ÓÊÕµ½0x0d * bit13~0£¬ ½ÓÊÕµ½µÄÓÐЧ×Ö½ÚÊýÄ¿ */ uint16_t g_usart_rx_sta = 0; uint8_t g_rx_buffer[RXBUFFERSIZE]; /* HAL¿âʹÓõĴ®¿Ú½ÓÊÕ»º³å */ UART_HandleTypeDef g_uart1_handle; /* UART¾ä±ú */ /** * @brief ´®¿ÚX³õʼ»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù¾Ý×Ô¼ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂʾͻáÉèÖÃÒì³£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒѾ­ÉèÖùýÁË. * @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; /* ×Ö³¤Îª8λÊý¾Ý¸ñʽ */ g_uart1_handle.Init.StopBits = UART_STOPBITS_1; /* Ò»¸öֹͣλ */ g_uart1_handle.Init.Parity = UART_PARITY_NONE; /* ÎÞÆæÅ¼Ð£Ñéλ */ g_uart1_handle.Init.HwFlowCtl = UART_HWCONTROL_NONE; /* ÎÞÓ²¼þÁ÷¿Ø */ g_uart1_handle.Init.Mode = UART_MODE_TX_RX; /* ÊÕ·¢Ä£Ê½ */ HAL_UART_Init(&g_uart1_handle); /* HAL_UART_Init()»áʹÄÜUART1 */ /* ¸Ãº¯Êý»á¿ªÆô½ÓÊÕÖжϣº±ê־λUART_IT_RXNE£¬²¢ÇÒÉèÖýÓÊÕ»º³åÒÔ¼°½ÓÊÕ»º³å½ÓÊÕ×î´óÊý¾ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã³õʼ»¯º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê³ÉʱÖÓʹÄÜ£¬Òý½ÅÅäÖã¬ÖжÏÅäÖà * @retval ÎÞ */ void HAL_UART_MspInit(UART_HandleTypeDef *huart) { GPIO_InitTypeDef gpio_init_struct; if(huart->Instance == USART_UX) /* Èç¹ûÊÇ´®¿Ú1£¬½øÐд®¿Ú1 MSP³õʼ»¯ */ { USART_UX_CLK_ENABLE(); /* USART1 ʱÖÓʹÄÜ */ USART_TX_GPIO_CLK_ENABLE(); /* ·¢ËÍÒý½ÅʱÖÓʹÄÜ */ USART_RX_GPIO_CLK_ENABLE(); /* ½ÓÊÕÒý½ÅʱÖÓʹÄÜ */ gpio_init_struct.Pin = USART_TX_GPIO_PIN; /* TXÒý½Å */ gpio_init_struct.Mode = GPIO_MODE_AF_PP; /* ¸´ÓÃÍÆÍìÊä³ö */ 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); /* ³õʼ»¯·¢ËÍÒý½Å */ gpio_init_struct.Pin = USART_RX_GPIO_PIN; /* RXÒý½Å */ gpio_init_struct.Alternate = USART_RX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_RX_GPIO_PORT, &gpio_init_struct); /* ³õʼ»¯½ÓÊÕÒý½Å */ #if USART_EN_RX HAL_NVIC_EnableIRQ(USART_UX_IRQn); /* ʹÄÜUSART1ÖжÏͨµÀ */ HAL_NVIC_SetPriority(USART_UX_IRQn, 3, 3); /* ÇÀÕ¼ÓÅÏȼ¶3£¬×ÓÓÅÏȼ¶3 */ #endif } } /** * @brief Rx´«Ê仨µ÷º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @retval ÎÞ */ void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { if(huart->Instance == USART_UX) /* Èç¹ûÊÇ´®¿Ú1 */ { if((g_usart_rx_sta & 0x8000) == 0) /* ½ÓÊÕδÍê³É */ { if(g_usart_rx_sta & 0x4000) /* ½ÓÊÕµ½ÁË0x0d */ { if(g_rx_buffer[0] != 0x0a) { g_usart_rx_sta = 0; /* ½ÓÊÕ´íÎó,ÖØÐ¿ªÊ¼ */ } else { g_usart_rx_sta |= 0x8000; /* ½ÓÊÕÍê³ÉÁË */ } } else /* »¹Ã»ÊÕµ½0X0D */ { 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; /* ½ÓÊÕÊý¾Ý´íÎó,ÖØÐ¿ªÊ¼½ÓÊÕ */ } } } } 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 /* ʹÓÃOS */ OSIntEnter(); #endif HAL_UART_IRQHandler(&g_uart1_handle); /* µ÷ÓÃHAL¿âÖжϴ¦Àí¹«Óú¯Êý */ #if SYS_SUPPORT_OS /* ʹÓÃOS */ OSIntExit(); #endif } #endif /** **************************************************************************************************** * @file usart.c * @author ÕýµãÔ­×ÓÍŶÓ(ALIENTEK) * @version V1.1 * @date 2023-06-05 * @brief ´®¿Ú³õʼ»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§³Öprintf * @license Copyright (c) 2020-2032, ¹ãÖÝÊÐÐÇÒíµç×ӿƼ¼ÓÐÏÞ¹«Ë¾ **************************************************************************************************** * @attention * * ʵÑéÆ½Ì¨:ÕýµãÔ­×Ó Ì½Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * ¼¼ÊõÂÛ̳:www.openedv.com * ¹«Ë¾ÍøÖ·:www.alientek.com * ¹ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²¼ * V1.1 20230605 * ɾ³ýUSART_UX_IRQHandler()º¯ÊýµÄ³¬Ê±´¦ÀíºÍÐÞ¸ÄHAL_UART_RxCpltCallback() **************************************************************************************************** */ #include "./SYSTEM/sys/sys.h" #include "./SYSTEM/usart/usart.h" /* Èç¹ûʹÓÃos,Ôò°üÀ¨ÏÂÃæµÄÍ·Îļþ¼´¿É */ #if SYS_SUPPORT_OS #include "os.h" /* os ʹÓà */ #endif /******************************************************************************************/ /* ¼ÓÈëÒÔÏ´úÂë, Ö§³Öprintfº¯Êý, ¶ø²»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* ʹÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷²»Ê¹ÓðëÖ÷»úģʽ */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ²ÎÊý¸ñʽ£¬·ñÔò²¿·ÖÀý³Ì¿ÉÄܳöÏÖ°ëÖ÷»úģʽ */ #else /* ʹÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ ²»Ê¹ÓðëÖ÷»úģʽ */ #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»Ê¹ÓðëÖ÷»úģʽ£¬ÖÁÉÙÐèÒªÖØ¶¨Òå_ttywrch\_sys_exit\_sys_command_stringº¯Êý,ÒÔͬʱ¼æÈÝAC6ºÍAC5ģʽ */ int _ttywrch(int ch) { ch = ch; return ch; } /* ¶¨Òå_sys_exit()ÒÔ±ÜÃâʹÓðëÖ÷»úģʽ */ 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»áͨ¹ýµ÷ÓÃfputcÊä³ö×Ö·û´®µ½´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê³É */ USART1->DR = (uint8_t)ch; /* ½«Òª·¢Ë͵Ä×Ö·û ch дÈëµ½DR¼Ä´æÆ÷ */ return ch; } #endif /***********************************************END*******************************************/ #if USART_EN_RX /* Èç¹ûʹÄÜÁ˽ÓÊÕ */ /* ½ÓÊÕ»º³å, ×î´óUSART_REC_LEN¸ö×Ö½Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* ½ÓÊÕ״̬ * bit15£¬ ½ÓÊÕÍê³É±êÖ¾ * bit14£¬ ½ÓÊÕµ½0x0d * bit13~0£¬ ½ÓÊÕµ½µÄÓÐЧ×Ö½ÚÊýÄ¿ */ uint16_t g_usart_rx_sta = 0; uint8_t g_rx_buffer[RXBUFFERSIZE]; /* HAL¿âʹÓõĴ®¿Ú½ÓÊÕ»º³å */ UART_HandleTypeDef g_uart1_handle; /* UART¾ä±ú */ /** * @brief ´®¿ÚX³õʼ»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù¾Ý×Ô¼ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂʾͻáÉèÖÃÒì³£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒѾ­ÉèÖùýÁË. * @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; /* ×Ö³¤Îª8λÊý¾Ý¸ñʽ */ g_uart1_handle.Init.StopBits = UART_STOPBITS_1; /* Ò»¸öֹͣλ */ g_uart1_handle.Init.Parity = UART_PARITY_NONE; /* ÎÞÆæÅ¼Ð£Ñéλ */ g_uart1_handle.Init.HwFlowCtl = UART_HWCONTROL_NONE; /* ÎÞÓ²¼þÁ÷¿Ø */ g_uart1_handle.Init.Mode = UART_MODE_TX_RX; /* ÊÕ·¢Ä£Ê½ */ HAL_UART_Init(&g_uart1_handle); /* HAL_UART_Init()»áʹÄÜUART1 */ /* ¸Ãº¯Êý»á¿ªÆô½ÓÊÕÖжϣº±ê־λUART_IT_RXNE£¬²¢ÇÒÉèÖýÓÊÕ»º³åÒÔ¼°½ÓÊÕ»º³å½ÓÊÕ×î´óÊý¾ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã³õʼ»¯º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê³ÉʱÖÓʹÄÜ£¬Òý½ÅÅäÖã¬ÖжÏÅäÖà * @retval ÎÞ */ void HAL_UART_MspInit(UART_HandleTypeDef *huart) { GPIO_InitTypeDef gpio_init_struct; if(huart->Instance == USART_UX) /* Èç¹ûÊÇ´®¿Ú1£¬½øÐд®¿Ú1 MSP³õʼ»¯ */ { USART_UX_CLK_ENABLE(); /* USART1 ʱÖÓʹÄÜ */ USART_TX_GPIO_CLK_ENABLE(); /* ·¢ËÍÒý½ÅʱÖÓʹÄÜ */ USART_RX_GPIO_CLK_ENABLE(); /* ½ÓÊÕÒý½ÅʱÖÓʹÄÜ */ gpio_init_struct.Pin = USART_TX_GPIO_PIN; /* TXÒý½Å */ gpio_init_struct.Mode = GPIO_MODE_AF_PP; /* ¸´ÓÃÍÆÍìÊä³ö */ 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); /* ³õʼ»¯·¢ËÍÒý½Å */ gpio_init_struct.Pin = USART_RX_GPIO_PIN; /* RXÒý½Å */ gpio_init_struct.Alternate = USART_RX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_RX_GPIO_PORT, &gpio_init_struct); /* ³õʼ»¯½ÓÊÕÒý½Å */ #if USART_EN_RX HAL_NVIC_EnableIRQ(USART_UX_IRQn); /* ʹÄÜUSART1ÖжÏͨµÀ */ HAL_NVIC_SetPriority(USART_UX_IRQn, 3, 3); /* ÇÀÕ¼ÓÅÏȼ¶3£¬×ÓÓÅÏȼ¶3 */ #endif } } /** * @brief Rx´«Ê仨µ÷º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @retval ÎÞ */ void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { if(huart->Instance == USART_UX) /* Èç¹ûÊÇ´®¿Ú1 */ { if((g_usart_rx_sta & 0x8000) == 0) /* ½ÓÊÕδÍê³É */ { if(g_usart_rx_sta & 0x4000) /* ½ÓÊÕµ½ÁË0x0d */ { if(g_rx_buffer[0] != 0x0a) { g_usart_rx_sta = 0; /* ½ÓÊÕ´íÎó,ÖØÐ¿ªÊ¼ */ } else { g_usart_rx_sta |= 0x8000; /* ½ÓÊÕÍê³ÉÁË */ } } else /* »¹Ã»ÊÕµ½0X0D */ { 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; /* ½ÓÊÕÊý¾Ý´íÎó,ÖØÐ¿ªÊ¼½ÓÊÕ */ } } } } 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 /* ʹÓÃOS */ OSIntEnter(); #endif HAL_UART_IRQHandler(&g_uart1_handle); /* µ÷ÓÃHAL¿âÖжϴ¦Àí¹«Óú¯Êý */ #if SYS_SUPPORT_OS /* ʹÓÃOS */ OSIntExit(); #endif } #endif /** **************************************************************************************************** * @file usart.c * @author ÕýµãÔ­×ÓÍŶÓ(ALIENTEK) * @version V1.1 * @date 2023-06-05 * @brief ´®¿Ú³õʼ»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§³Öprintf * @license Copyright (c) 2020-2032, ¹ãÖÝÊÐÐÇÒíµç×ӿƼ¼ÓÐÏÞ¹«Ë¾ **************************************************************************************************** * @attention * * ʵÑéÆ½Ì¨:ÕýµãÔ­×Ó Ì½Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * ¼¼ÊõÂÛ̳:www.openedv.com * ¹«Ë¾ÍøÖ·:www.alientek.com * ¹ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²¼ * V1.1 20230605 * ɾ³ýUSART_UX_IRQHandler()º¯ÊýµÄ³¬Ê±´¦ÀíºÍÐÞ¸ÄHAL_UART_RxCpltCallback() **************************************************************************************************** */ #include "./SYSTEM/sys/sys.h" #include "./SYSTEM/usart/usart.h" /* Èç¹ûʹÓÃos,Ôò°üÀ¨ÏÂÃæµÄÍ·Îļþ¼´¿É */ #if SYS_SUPPORT_OS #include "os.h" /* os ʹÓà */ #endif /******************************************************************************************/ /* ¼ÓÈëÒÔÏ´úÂë, Ö§³Öprintfº¯Êý, ¶ø²»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* ʹÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷²»Ê¹ÓðëÖ÷»úģʽ */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ²ÎÊý¸ñʽ£¬·ñÔò²¿·ÖÀý³Ì¿ÉÄܳöÏÖ°ëÖ÷»úģʽ */ #else /* ʹÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ ²»Ê¹ÓðëÖ÷»úģʽ */ #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»Ê¹ÓðëÖ÷»úģʽ£¬ÖÁÉÙÐèÒªÖØ¶¨Òå_ttywrch\_sys_exit\_sys_command_stringº¯Êý,ÒÔͬʱ¼æÈÝAC6ºÍAC5ģʽ */ int _ttywrch(int ch) { ch = ch; return ch; } /* ¶¨Òå_sys_exit()ÒÔ±ÜÃâʹÓðëÖ÷»úģʽ */ 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»áͨ¹ýµ÷ÓÃfputcÊä³ö×Ö·û´®µ½´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê³É */ USART1->DR = (uint8_t)ch; /* ½«Òª·¢Ë͵Ä×Ö·û ch дÈëµ½DR¼Ä´æÆ÷ */ return ch; } #endif /***********************************************END*******************************************/ #if USART_EN_RX /* Èç¹ûʹÄÜÁ˽ÓÊÕ */ /* ½ÓÊÕ»º³å, ×î´óUSART_REC_LEN¸ö×Ö½Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* ½ÓÊÕ״̬ * bit15£¬ ½ÓÊÕÍê³É±êÖ¾ * bit14£¬ ½ÓÊÕµ½0x0d * bit13~0£¬ ½ÓÊÕµ½µÄÓÐЧ×Ö½ÚÊýÄ¿ */ uint16_t g_usart_rx_sta = 0; uint8_t g_rx_buffer[RXBUFFERSIZE]; /* HAL¿âʹÓõĴ®¿Ú½ÓÊÕ»º³å */ UART_HandleTypeDef g_uart1_handle; /* UART¾ä±ú */ /** * @brief ´®¿ÚX³õʼ»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù¾Ý×Ô¼ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂʾͻáÉèÖÃÒì³£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒѾ­ÉèÖùýÁË. * @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; /* ×Ö³¤Îª8λÊý¾Ý¸ñʽ */ g_uart1_handle.Init.StopBits = UART_STOPBITS_1; /* Ò»¸öֹͣλ */ g_uart1_handle.Init.Parity = UART_PARITY_NONE; /* ÎÞÆæÅ¼Ð£Ñéλ */ g_uart1_handle.Init.HwFlowCtl = UART_HWCONTROL_NONE; /* ÎÞÓ²¼þÁ÷¿Ø */ g_uart1_handle.Init.Mode = UART_MODE_TX_RX; /* ÊÕ·¢Ä£Ê½ */ HAL_UART_Init(&g_uart1_handle); /* HAL_UART_Init()»áʹÄÜUART1 */ /* ¸Ãº¯Êý»á¿ªÆô½ÓÊÕÖжϣº±ê־λUART_IT_RXNE£¬²¢ÇÒÉèÖýÓÊÕ»º³åÒÔ¼°½ÓÊÕ»º³å½ÓÊÕ×î´óÊý¾ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã³õʼ»¯º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê³ÉʱÖÓʹÄÜ£¬Òý½ÅÅäÖã¬ÖжÏÅäÖà * @retval ÎÞ */ void HAL_UART_MspInit(UART_HandleTypeDef *huart) { GPIO_InitTypeDef gpio_init_struct; if(huart->Instance == USART_UX) /* Èç¹ûÊÇ´®¿Ú1£¬½øÐд®¿Ú1 MSP³õʼ»¯ */ { USART_UX_CLK_ENABLE(); /* USART1 ʱÖÓʹÄÜ */ USART_TX_GPIO_CLK_ENABLE(); /* ·¢ËÍÒý½ÅʱÖÓʹÄÜ */ USART_RX_GPIO_CLK_ENABLE(); /* ½ÓÊÕÒý½ÅʱÖÓʹÄÜ */ gpio_init_struct.Pin = USART_TX_GPIO_PIN; /* TXÒý½Å */ gpio_init_struct.Mode = GPIO_MODE_AF_PP; /* ¸´ÓÃÍÆÍìÊä³ö */ 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); /* ³õʼ»¯·¢ËÍÒý½Å */ gpio_init_struct.Pin = USART_RX_GPIO_PIN; /* RXÒý½Å */ gpio_init_struct.Alternate = USART_RX_GPIO_AF; /* ¸´ÓÃΪUSART1 */ HAL_GPIO_Init(USART_RX_GPIO_PORT, &gpio_init_struct); /* ³õʼ»¯½ÓÊÕÒý½Å */ #if USART_EN_RX HAL_NVIC_EnableIRQ(USART_UX_IRQn); /* ʹÄÜUSART1ÖжÏͨµÀ */ HAL_NVIC_SetPriority(USART_UX_IRQn, 3, 3); /* ÇÀÕ¼ÓÅÏȼ¶3£¬×ÓÓÅÏȼ¶3 */ #endif } } /** * @brief Rx´«Ê仨µ÷º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @retval ÎÞ */ void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { if(huart->Instance == USART_UX) /* Èç¹ûÊÇ´®¿Ú1 */ { if((g_usart_rx_sta & 0x8000) == 0) /* ½ÓÊÕδÍê³É */ { if(g_usart_rx_sta & 0x4000) /* ½ÓÊÕµ½ÁË0x0d */ { if(g_rx_buffer[0] != 0x0a) { g_usart_rx_sta = 0; /* ½ÓÊÕ´íÎó,ÖØÐ¿ªÊ¼ */ } else { g_usart_rx_sta |= 0x8000; /* ½ÓÊÕÍê³ÉÁË */ } } else /* »¹Ã»ÊÕµ½0X0D */ { 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; /* ½ÓÊÕÊý¾Ý´íÎó,ÖØÐ¿ªÊ¼½ÓÊÕ */ } } } } 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 /* ʹÓÃOS */ OSIntEnter(); #endif HAL_UART_IRQHandler(&g_uart1_handle); /* µ÷ÓÃHAL¿âÖжϴ¦Àí¹«Óú¯Êý */ #if SYS_SUPPORT_OS /* ʹÓÃOS */ 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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