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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
main.c文件代码: #include "sys.h" #include "delay.h" #include "usart.h" #include "led.h" #include "lcd.h" #include "adc.h" //ALIENTEK Ì&frac12;Ë÷ÕßSTM32F407¿ª·¢°å ʵÑé18 //ADCÄ£Êýת»»ÊµÑé-¿âº¯Êý°æ±¾ //&frac14;&frac14;ÊõÖ§³Ö£ºwww.openedv.com //ÌÔ±¦µêÆÌ£ºhttp://eboard.taobao.com //&sup1;ãÖÝÊÐÐÇÒíµç×Ó¿Æ&frac14;&frac14;ÓÐÏÞ&sup1;«Ë¾ //×÷ÕߣºÕýµãÔ­×Ó @ALIENTEK int main(void) { u16 adcx; float temp; NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//ÉèÖÃϵͳÖжÏÓÅÏÈ&frac14;¶·Ö×é2 delay_init(168); //³õÊ&frac14;»¯ÑÓʱº¯Êý uart_init(115200); //³õÊ&frac14;»¯´®¿Ú²¨ÌØÂÊΪ115200 LED_Init(); //³õÊ&frac14;»¯LED LCD_Init(); //³õÊ&frac14;»¯LCD&frac12;Ó¿Ú Adc_Init(); //³õÊ&frac14;»¯ADC POINT_COLOR=RED; LCD_ShowString(30,50,200,16,16,"Explorer STM32F4"); LCD_ShowString(30,70,200,16,16,"ADC TEST"); LCD_ShowString(30,90,200,16,16,"ATOM@ALIENTEK"); LCD_ShowString(30,110,200,16,16,"2014/5/6"); POINT_COLOR=BLUE;//ÉèÖÃ×ÖÌåΪÀ¶É« LCD_ShowString(30,130,200,16,16,"ADC1_CH5_VAL:"); LCD_ShowString(30,150,200,16,16,"ADC1_CH5_VOL:0.000V"); //ÏÈÔÚ&sup1;̶¨Î»ÖÃÏÔʾСÊýµã while(1) { adcx=Get_Adc_Average(ADC_Channel_5,20);//»ñȡͨµÀ5µÄת»»Öµ£¬20´ÎÈ¡Æ&frac12;¾ù LCD_ShowxNum(134,130,adcx,4,16,0); //ÏÔʾADCC²ÉÑùºóµÄÔ­Ê&frac14;Öµ temp=(float)adcx*(3.3/4096); //»ñÈ¡&frac14;ÆËãºóµÄ´øÐ¡ÊýµÄʵ&frac14;ʵçÑ&sup1;Öµ£¬±ÈÈç3.1111 adcx=temp; //¸³ÖµÕûÊý²¿·Ö¸øadcx±äÁ¿£¬ÒòΪadcxΪu16ÕûÐÎ LCD_ShowxNum(134,150,adcx,1,16,0); //ÏÔʾµçÑ&sup1;ÖµµÄÕûÊý²¿·Ö£¬3.1111µÄ»°£¬ÕâÀï¾ÍÊÇÏÔʾ3 temp-=adcx; //°ÑÒѾ­ÏÔʾµÄÕûÊý²¿·ÖÈ¥µô£¬ÁôÏÂСÊý²¿·Ö£¬±ÈÈç3.1111-3=0.1111 temp*=1000; //СÊý²¿·Ö³ËÒÔ1000£¬ÀýÈ磺0.1111¾Íת»»Îª111.1£¬Ï൱ÓÚ±£ÁôÈýλСÊý¡£ LCD_ShowxNum(150,150,temp,3,16,0X80); //ÏÔʾСÊý²¿·Ö£¨Ç°Ãæ×ª»»ÎªÁËÕûÐÎÏÔʾ£©£¬ÕâÀïÏÔʾµÄ¾ÍÊÇ111. LED0=!LED0; delay_ms(250); } } adc.c文件代码: #include "adc.h" #include "delay.h" ////////////////////////////////////////////////////////////////////////////////// //±¾³ÌÐòÖ»&sup1;©Ñ§Ï°Ê&sup1;Óã¬Î´¾­×÷ÕßÐí¿É£¬²»µÃÓÃÓÚÆäËüÈκÎÓÃ; //ALIENTEK STM32F407¿ª·¢°å //ADC Çý¶¯´úÂë //ÕýµãÔ­×Ó@ALIENTEK //&frac14;&frac14;ÊõÂÛ̳:www.openedv.com //´´&frac12;¨ÈÕÆÚ:2014/5/6 //°æ±¾£ºV1.0 //°æÈ¨ËùÓУ¬µÁ°æ±Ø¾¿¡£ //Copyright(C) &sup1;ãÖÝÊÐÐÇÒíµç×Ó¿Æ&frac14;&frac14;ÓÐÏÞ&sup1;«Ë¾ 2014-2024 //All rights reserved ////////////////////////////////////////////////////////////////////////////////// //³õÊ&frac14;»¯ADC void Adc_Init(void) { GPIO_InitTypeDef GPIO_InitStructure; ADC_CommonInitTypeDef ADC_CommonInitStructure; ADC_InitTypeDef ADC_InitStructure; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);//Ê&sup1;ÄÜGPIOAʱÖÓ RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE); //Ê&sup1;ÄÜADC1ʱÖÓ //ÏȳõÊ&frac14;»¯ADC1ͨµÀ5 IO¿Ú GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;//PA5 ͨµÀ5 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;//Ä£ÄâÊäÈë GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;//²»´øÉÏÏÂÀ­ GPIO_Init(GPIOA, &GPIO_InitStructure);//³õÊ&frac14;»¯ RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1,ENABLE); //ADC1¸´Î» RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1,DISABLE); //¸´Î»&frac12;áÊø ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;//¶ÀÁ¢Ä£Ê&frac12; ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;//Á&frac12;¸ö²ÉÑù&frac12;×¶ÎÖ®&frac14;äµÄÑÓ³Ù5¸öʱÖÓ ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled; //DMAʧÄÜ ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4;//Ô¤·ÖƵ4·ÖƵ¡£ADCCLK=PCLK2/4=84/4=21Mhz,ADCʱÖÓ×îºÃ²»Òª³¬&sup1;ý36Mhz ADC_CommonInit(&ADC_CommonInitStructure);//³õÊ&frac14;»¯ ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;//12λģÊ&frac12; ADC_InitStructure.ADC_ScanConvMode = DISABLE;//·ÇɨÃèÄ£Ê&frac12; ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;//&sup1;رÕÁ¬Ðø×ª»» ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;//&frac12;ûÖ&sup1;´¥·¢&frac14;ì²â£¬Ê&sup1;ÓÃÈí&frac14;þ´¥·¢ ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;//ÓÒ¶ÔÆë ADC_InitStructure.ADC_NbrOfConversion = 1;//1¸öת»»ÔÚ&sup1;æÔòÐòÁÐÖÐ Ò²¾ÍÊÇֻת»»&sup1;æÔòÐòÁÐ1 ADC_Init(ADC1, &ADC_InitStructure);//ADC³õÊ&frac14;»¯ ADC_Cmd(ADC1, ENABLE);//¿ªÆôADת»»Æ÷ } //»ñµÃADCÖµ //ch: @ref ADC_channels //ͨµÀÖµ 0~16ȡֵ·¶Î§Îª£ºADC_Channel_0~ADC_Channel_16 //·µ»ØÖµ:ת»»&frac12;á&sup1;û u16 Get_Adc(u8 ch) { //ÉèÖÃÖ¸¶¨ADCµÄ&sup1;æÔò×éͨµÀ£¬Ò»¸öÐòÁУ¬²ÉÑùʱ&frac14;ä ADC_RegularChannelConfig(ADC1, ch, 1, ADC_SampleTime_480Cycles ); //ADC1,ADCͨµÀ,480¸öÖÜÆÚ,Ìá¸ß²ÉÑùʱ&frac14;ä¿ÉÒÔÌá¸ß¾«È·¶È ADC_SoftwareStartConv(ADC1); //Ê&sup1;ÄÜÖ¸¶¨µÄADC1µÄÈí&frac14;þת»»Æô¶¯&sup1;¦ÄÜ while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC ));//µÈ´ýת»»&frac12;áÊø return ADC_GetConversionValue(ADC1); //·µ»Ø×î&frac12;üÒ»´ÎADC1&sup1;æÔò×éµÄת»»&frac12;á&sup1;û } //»ñȡͨµÀchµÄת»»Öµ£¬È¡times´Î,È»ºóÆ&frac12;¾ù //ch:ͨµÀ±àºÅ //times:»ñÈ¡´ÎÊý //·µ»ØÖµ:ͨµÀchµÄtimes´Îת»»&frac12;á&sup1;ûÆ&frac12;¾ùÖµ u16 Get_Adc_Average(u8 ch,u8 times) { u32 temp_val=0; u8 t; for(t=0;t<times;t++) { temp_val+=Get_Adc(ch); delay_ms(5); } return temp_val/times; } 以上是老师提供的有关ADC实验的示例keil代码,我想请你在这些代码的基础上进行修改完善来完成任务1、2、3,请分别给出两个文件中应该编译的代码
10-30
#include "timer.h" #include "led.h" #include "usart.h" ////////////////////////////////////////////////////////////////////////////////// //±¾³ÌÐòÖ»&sup1;©Ñ§Ï°Ê&sup1;Óã¬Î´¾­×÷ÕßÐí¿É£¬²»µÃÓÃÓÚÆäËüÈκÎÓÃ; //ALIENTEKÕ&frac12;&frac12;¢STM32¿ª·¢°å //¶¨Ê±Æ÷ Çý¶¯´úÂë //ÕýµãÔ­×Ó@ALIENTEK //&frac14;&frac14;ÊõÂÛ̳:www.openedv.com //ÐÞ¸ÄÈÕÆÚ:2012/9/4 //°æ±¾£ºV1.1 //°æÈ¨ËùÓУ¬µÁ°æ±Ø¾¿¡£ //Copyright(C) &sup1;ãÖÝÊÐÐÇÒíµç×Ó¿Æ&frac14;&frac14;ÓÐÏÞ&sup1;«Ë¾ 2009-2019 //All rights reserved //******************************************************************************** //V1.1 20120904 //1,Ôö&frac14;ÓTIM3_PWM_Initº¯Êý¡£ //2,Ôö&frac14;ÓLED0_PWM_VALºê¶¨Ò壬¿ØÖÆTIM3_CH2Âö¿í ////////////////////////////////////////////////////////////////////////////////// //ͨÓö¨Ê±Æ÷3ÖжϳõÊ&frac14;»¯ //ÕâÀïʱÖÓÑ¡ÔñΪAPB1µÄ2±¶£¬¶øAPB1Ϊ36M //arr£º×Ô¶¯ÖØ×°Öµ¡£ //psc£ºÊ±ÖÓÔ¤·ÖƵÊý //ÕâÀïÊ&sup1;ÓõÄÊǶ¨Ê±Æ÷3! void TIM3_Int_Init(u16 arr,u16 psc) { TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; NVIC_InitTypeDef NVIC_InitStructure; RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); //ʱÖÓÊ&sup1;ÄÜ TIM_TimeBaseStructure.TIM_Period = arr; //ÉèÖÃÔÚÏÂÒ»¸ö¸üÐÂÊÂ&frac14;þ×°Èë»î¶¯µÄ×Ô¶¯ÖØ×°ÔØ&frac14;Ä´æÆ÷ÖÜÆÚµÄÖµ &frac14;ÆÊýµ&frac12;5000Ϊ500ms TIM_TimeBaseStructure.TIM_Prescaler =psc; //ÉèÖÃÓÃÀ´×÷ΪTIMxʱÖÓÆµÂʳýÊýµÄÔ¤·ÖƵֵ 10KhzµÄ&frac14;ÆÊýƵÂÊ TIM_TimeBaseStructure.TIM_ClockDivision = 0; //ÉèÖÃʱÖÓ·Ö¸î:TDTS = Tck_tim TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //TIMÏòÉÏ&frac14;ÆÊýÄ£Ê&frac12; TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure); //¸ù¾ÝTIM_TimeBaseInitStructÖÐÖ¸¶¨µÄ²ÎÊý³õÊ&frac14;»¯TIMxµÄʱ&frac14;ä»ùÊýµ¥Î» TIM_ITConfig(TIM3,TIM_IT_Update,ENABLE ); //Ê&sup1;ÄÜÖ¸¶¨µÄTIM3ÖжÏ,ÔÊÐí¸üÐÂÖÐ¶Ï NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn; //TIM3ÖÐ¶Ï NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; //ÏÈÕ&frac14;ÓÅÏÈ&frac14;¶0&frac14;¶ NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //´ÓÓÅÏÈ&frac14;¶3&frac14;¶ NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQͨµÀ±»Ê&sup1;ÄÜ NVIC_Init(&NVIC_InitStructure); //¸ù¾ÝNVIC_InitStructÖÐÖ¸¶¨µÄ²ÎÊý³õÊ&frac14;»¯ÍâÉèNVIC&frac14;Ä´æÆ÷ TIM_Cmd(TIM3, ENABLE); //Ê&sup1;ÄÜTIMxÍâÉè } //¶¨Ê±Æ÷3ÖжϷþÎñ³ÌÐò void TIM3_IRQHandler(void) //TIM3ÖÐ¶Ï { if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET) //&frac14;ì²éÖ¸¶¨µÄTIMÖжϷ¢ÉúÓë·ñ:TIM ÖжÏÔ´ { TIM_ClearITPendingBit(TIM3, TIM_IT_Update ); //Çå³ýTIMxµÄÖжϴý´¦Àíλ:TIM ÖжÏÔ´ LED1=!LED1; } } //TIM3 PWM²¿·Ö³õÊ&frac14;»¯ //PWMÊä³ö³õÊ&frac14;»¯ //arr£º×Ô¶¯ÖØ×°Öµ //psc£ºÊ±ÖÓÔ¤·ÖƵÊý void TIM3_PWM_Init(u16 arr,u16 psc) { GPIO_InitTypeDef GPIO_InitStructure; TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); //Ê&sup1;Äܶ¨Ê±Æ÷3ʱÖÓ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_AFIO, ENABLE); //Ê&sup1;ÄÜGPIOÍâÉèºÍAFIO¸´ÓÃ&sup1;¦ÄÜÄ£¿éʱÖÓ GPIO_PinRemapConfig(GPIO_PartialRemap_TIM3, ENABLE); //Timer3²¿·ÖÖØÓ³Éä TIM3_CH2->PB5 //ÉèÖøÃÒý&frac12;ÅΪ¸´ÓÃÊä³ö&sup1;¦ÄÜ,Êä³öTIM3 CH2µÄPWMÂö³å²¨ÐÎ GPIOB.5 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; //TIM_CH2 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //¸´ÓÃÍÆÍìÊä³ö GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIOB, &GPIO_InitStructure);//³õÊ&frac14;»¯GPIO //³õÊ&frac14;»¯TIM3 TIM_TimeBaseStructure.TIM_Period = arr; //ÉèÖÃÔÚÏÂÒ»¸ö¸üÐÂÊÂ&frac14;þ×°Èë»î¶¯µÄ×Ô¶¯ÖØ×°ÔØ&frac14;Ä´æÆ÷ÖÜÆÚµÄÖµ TIM_TimeBaseStructure.TIM_Prescaler =psc; //ÉèÖÃÓÃÀ´×÷ΪTIMxʱÖÓÆµÂʳýÊýµÄÔ¤·ÖƵֵ TIM_TimeBaseStructure.TIM_ClockDivision = 0; //ÉèÖÃʱÖÓ·Ö¸î:TDTS = Tck_tim TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //TIMÏòÉÏ&frac14;ÆÊýÄ£Ê&frac12; TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure); //¸ù¾ÝTIM_TimeBaseInitStructÖÐÖ¸¶¨µÄ²ÎÊý³õÊ&frac14;»¯TIMxµÄʱ&frac14;ä»ùÊýµ¥Î» //³õÊ&frac14;»¯TIM3 Channel2 PWMÄ£Ê&frac12; TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; //Ñ¡Ôñ¶¨Ê±Æ÷Ä£Ê&frac12;:TIMÂö³å¿í¶Èµ÷ÖÆÄ£Ê&frac12;2 TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //±È&frac12;ÏÊä³öÊ&sup1;ÄÜ TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //Êä³ö&frac14;«ÐÔ:TIMÊä³ö±È&frac12;Ï&frac14;«ÐÔ¸ß TIM_OC2Init(TIM3, &TIM_OCInitStructure); //¸ù¾ÝTÖ¸¶¨µÄ²ÎÊý³õÊ&frac14;»¯ÍâÉèTIM3 OC2 TIM_OC2PreloadConfig(TIM3, TIM_OCPreload_Enable); //Ê&sup1;ÄÜTIM3ÔÚCCR2ÉϵÄÔ¤×°ÔØ&frac14;Ä´æÆ÷ TIM_Cmd(TIM3, ENABLE); //Ê&sup1;ÄÜTIM3 }
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11-13
#include <reg52.h> //------------------------- Òý&frac12;Ŷ¨Òå --------------------------// sbit BEEP = P2^0; //·äÃùÆ÷¿ØÖÆÒý&frac12;Å£¬?µçÆ&frac12;ÓÐЧ sbit LED1 = P2^3; //LED1£¬¿ØÖÆÒý&frac12;Å£¬µÍµçÆ&frac12;ÓÐЧ sbit LED2 = P2^2; //LED2£¬¿ØÖÆÒý&frac12;Å£¬µÍµçÆ&frac12;ÓÐЧ sbit LED3 = P2^1; //LED3£¬¿ØÖÆÒý&frac12;Å£¬µÍµçÆ&frac12;ÓÐЧ //ÊýÂë&sup1;ÜÒý&frac12;Ŷ¨Òå #define duanPore P0 //ÊýÂë&sup1;ܶοØÖƶ˿ڣ¬¸ßµçÆ&frac12;ÓÐЧ sbit DIG1 = P2^4; //ÊýÂë&sup1;ܵÚ1λλѡ¿ØÖƶ˿ڣ¬µÍµçÆ&frac12;ÓÐЧ sbit DIG2 = P2^5; //ÊýÂë&sup1;ܵÚ2λλѡ¿ØÖƶ˿ڣ¬µÍµçÆ&frac12;ÓÐЧ sbit DIG3 = P2^6; //ÊýÂë&sup1;ܵÚ3λλѡ¿ØÖƶ˿ڣ¬µÍµçÆ&frac12;ÓÐЧ sbit DIG4 = P2^7; //ÊýÂë&sup1;ܵÚ4λλѡ¿ØÖƶ˿ڣ¬µÍµçÆ&frac12;ÓÐЧ //°´&frac14;üÒý&frac12;Ŷ¨Òå sbit KEY1 = P1^0; //1ºÅÑ¡ÊÖ sbit KEY2 = P1^1; //2ºÅÑ¡ÊÖ sbit KEY3 = P1^2; //3ºÅÑ¡ÊÖ sbit KEY4 = P1^3; //4ºÅÑ¡ÊÖ sbit KEY5 = P1^4; //5ºÅÑ¡ÊÖ sbit KEY6 = P1^5; //6ºÅÑ¡ÊÖ sbit KEY7 = P3^2; //Ö÷³ÖÈË&frac14;ü sbit KEY8 = P3^3; //ÉèÖÃ&frac14;ü //---------------------- È«¾Ö±äÁ¿¶¨Òå --------------------// //ÊýÂë&sup1;ܶÎÂë±í£¬ÊÊÓÃÓÚ&sup1;²ÒõÊýÂë&sup1;Ü unsigned char code tab_duan[19] = { 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f, //0~9 0x77,0x7c,0x39,0x5e,0x79,0x71, //A~F 0x40,0x00,0x48 //'-'£¬&sup1;رÕÏÔʾ£¬'=' }; unsigned char dat_buf[4] = {17, 17, 0, 5}; //ÏÔʾÊý¾Ý»º´æÇø£¬Ä¬ÈÏÉϵçÏÔʾ" 05" int time = 5, time1 = 5, time2 = 20; //µ&sup1;&frac14;ÆÊ±Ê±&frac14;䣬time1£ºÇÀ´ðµ&sup1;&frac14;ÆÊ±Ê±&frac14;䣬time2£º»Ø´ðµ&sup1;&frac14;ÆÊ±Ê±&frac14;ä unsigned char i = 0; unsigned int count = 0; //&frac14;ÆÊý»º´æ±äÁ¿ bit flag_lock = 1; //&frac14;üÅÌËø¶¨±êÖ¾£¬1£º²»Ëø¶¨£¬0£ºËø¶¨ //------------------------------- º¯ÊýÉùÃ÷ ------------------------------------// void DelayMs(unsigned int ms); //ÑÓʱº¯Êý£¬µ¥Î»£ºms void dig_scan(unsigned char *dat); unsigned char KeyScan(void); //¶ÀÁ¢°´&frac14;üɨÃè void InitTimer0(void); //¶¨Ê±Æ÷0³õÊ&frac14;»¯ void alarm(void); //±¨¾¯º¯Êý void AnswerTask(void); //ÇÀ´ðÈÎÎñ void SetTime(void); //ÉèÖõ&sup1;&frac14;ÆÊ±Ê±&frac14;ä /* Ö÷º¯Êý */ void main(void) { BEEP = 0; //ÉϵçĬÈÏ&sup1;رշäÃùÆ÷ LED1 = 1; InitTimer0(); //¶¨Ê±Æ÷0³õÊ&frac14;»¯ time = time1; //ÉϵçĬÈÏÇÀ´ðµ&sup1;&frac14;ÆÊ± while(1) { if(KeyScan() == 7) //Èç&sup1;ûÖ÷³ÖÈË&frac14;ü°´Ï£¬Ôò&frac12;øÐÐÇÀ´ð { alarm(); //·äÃùÆ÷ÏìÒ»Éù AnswerTask(); //&frac12;øÐÐÇÀ´ðÈÎÎñ } if(KeyScan() == 8) //Èç&sup1;ûÉèÖÃ&frac14;ü°´Ï£¬&frac12;øÈëÉèÖõ&sup1;&frac14;ÆÊ±Ê±&frac14;ä { alarm(); //·äÃùÆ÷ÏìÒ»Éù SetTime(); //&frac12;øÈëÉè&frac14;Ƶ&sup1;&frac14;ÆÊ±Ê±&frac14;ä } dat_buf[0] = 17; dat_buf[1] = 17; dat_buf[2] = time / 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄʮλÊý dat_buf[3] = time % 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄ¸öλÊý dig_scan(dat_buf); //²âÊÔÊýÂë&sup1;ÜÏÔʾ } } /* ÑÓʱº¯Êý£¬µ¥Î»£ºms */ void DelayMs(unsigned int ms) { unsigned char a,b,c; while(--ms) { for(c=1;c>0;c--) for(b=142;b>0;b--) for(a=2;a>0;a--); } } /* ÊýÂë&sup1;ÜÏÔʾɨÃè */ void dig_scan(unsigned char *dat) { /* ¶¯Ì¬É¨Ãè´¦Àí */ switch(i) { case 0: { duanPore = tab_duan[dat[0]]; //ÏÔʾµÚ1λÊýÂë&sup1;ÜÄÚÈÝ DIG1 = 0; break; } case 1: { duanPore = tab_duan[dat[1]]; //ÏÔʾµÚ2λÊýÂë&sup1;ÜÄÚÈÝ DIG2 = 0; //ѡͨµÚ2λÊýÂë&sup1;Ü break; } case 2: { duanPore = tab_duan[dat[2]]; //ÏÔʾµÚ3λÊýÂë&sup1;ÜÄÚÈÝ DIG3 = 0; //ѡͨµÚ3λÊýÂë&sup1;Ü break; } case 3: { duanPore = tab_duan[dat[3]]; //ÏÔʾµÚ4λÊýÂë&sup1;ÜÄÚÈÝ DIG4 = 0; //ѡͨµÚ4λÊýÂë&sup1;Ü break; } default: break; } DelayMs(5); //ɨÃèÑÓʱ10ms£¬¸ù¾Ýʵ&frac14;ÊÇé¿öÊʵ±Ð޸ĸÄÑÓʱʱ&frac14;ä DIG1 = 1; //ÏûÒþ DIG2 = 1; DIG3 = 1; DIG4 = 1; ++i; //ɨÃè±äÁ¿Ñ­»· if(i > 3) i = 0; } /* ¶ÀÁ¢°´&frac14;üɨÃè */ unsigned char KeyScan(void) { if(KEY1 == 0) //Èç&sup1;û°´&frac14;ü1°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY1 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 1; //Êä³ö°´&frac14;üÖµ1 } if(KEY2 == 0) //Èç&sup1;û°´&frac14;ü2°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY2 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 2; //Êä³ö°´&frac14;üÖµ2 } if(KEY3 == 0) //Èç&sup1;û°´&frac14;ü3°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY3 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 3; //Êä³ö°´&frac14;üÖµ3 } if(KEY4 == 0) //Èç&sup1;û°´&frac14;ü4°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY4 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 4; //Êä³ö°´&frac14;üÖµ4 } if(KEY5 == 0) //Èç&sup1;û°´&frac14;ü5°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY5 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 5; //Êä³ö°´&frac14;üÖµ5 } if(KEY6 == 0) //Èç&sup1;û°´&frac14;ü6°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY6 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 6; //Êä³ö°´&frac14;üÖµ6 } if(KEY7 == 0) //Èç&sup1;û°´&frac14;ü7°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY7 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 7; //Êä³ö°´&frac14;üÖµ7 } if(KEY8 == 0) //Èç&sup1;û°´&frac14;ü8°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY8 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 8; //Êä³ö°´&frac14;üÖµ8 } return 0; //ÎÞ°´&frac14;ü°´ÏÂÊä³ö0 } /* ¶¨Ê±Æ÷0³õÊ&frac14;»¯ */ void InitTimer0(void) { TMOD = 0x01; //ÅäÖö¨Ê±Æ÷0Ϊ&sup1;¤×÷Ä£Ê&frac12;1£¬16λ¶¨Ê±Æ÷ TH0 = (65536 - 10000) / 256; //¶¨Ê±10ms TL0 = (65536 - 10000) % 256; EA = 1; //´ò¿ª×ÜÖÐ¶Ï ET0 = 1; //´ò¿ª¶¨Ê±Æ÷0ÖÐ¶Ï TR0 = 0; //ÉϵçĬÈÏ&sup1;رն¨Ê±Æ÷0 } /* ¶¨Ê±Æ÷0ÖжϷþÎñº¯Êý£¬10ms&frac12;øÒ»´ÎÖÐ¶Ï */ void Timer0Interrupt(void) interrupt 1 { TH0 = (65536 - 10000) / 256; //¶¨Ê±10ms£¬ÖØÐÂ×°ÔØ&frac14;ÆÊýÖµ TL0 = (65536 - 10000) % 256; ++count; if(count > 100) //1sʱ&frac14;ä&frac14;ÆË㣺10ms * 100 = 1s { count = 0; //&frac14;ÆÊýÖµÇåÁã --time; //µ&sup1;&frac14;ÆÊ±Ê±&frac14;ä&frac14;õÒ»´Î if(time <= 0) //Èç&sup1;ûµ&sup1;&frac14;ÆÊ±&frac12;áÊø£¬Ôò&sup1;رն¨Ê±Æ÷0£¬Í£Ö&sup1;µ&sup1;&frac14;ÆÊ±£¬²¢Éù&sup1;ⱨ¾¯ºÍËø¶¨&frac14;üÅÌ { TR0 = 0; //&sup1;رն¨Ê±Æ÷0 BEEP = 1; //Éù&sup1;ⱨ¾¯ LED1 = 0; flag_lock = 0; //Ëø¶¨&frac14;üÅÌ } } } /* ±¨¾¯º¯Êý */ void alarm(void) { BEEP = 1; //·äÃùÆ÷ÏìһϠDelayMs(300); //ÑÓʱ300ms BEEP = 0; } /* ʵÏÖÇÀ´ðÈÎÎñ */ void AnswerTask(void) { unsigned char key_val; //°´&frac14;üÖµ»º´æ TR0 = 1; //Æô¶¯¶¨Ê±Æ÷0£¬¿ªÊ&frac14;µ&sup1;&frac14;ÆÊ± while(1) { if(flag_lock == 1) { key_val = KeyScan(); //»ñÈ¡°´&frac14;üÖµ switch(key_val) { case 1: { dat_buf[0] = key_val; //µÚ1λÊýÂë&sup1;ÜÏÔʾ1ºÅ dat_buf[1] = 16; //ÏÔʾ'-' time = time2; //»Ø´ðµ&sup1;&frac14;ÆÊ±£¬Ñ¡Êֻشðʱ&frac14;ä alarm(); //·äÃùÆ÷ÏìһϠflag_lock = 0; //Ëø¶¨&frac14;üÅÌ break; } case 2: { dat_buf[0] = key_val; //µÚ2λÊýÂë&sup1;ÜÏÔʾ2ºÅ dat_buf[1] = 16; //ÏÔʾ'-' time = time2; //»Ø´ðµ&sup1;&frac14;ÆÊ±£¬Ñ¡Êֻشðʱ&frac14;ä alarm(); //·äÃùÆ÷ÏìһϠflag_lock = 0; break; } case 3: { dat_buf[0] = key_val; //µÚ3λÊýÂë&sup1;ÜÏÔʾ3ºÅ dat_buf[1] = 16; //ÏÔʾ'-' time = time2; alarm(); //·äÃùÆ÷ÏìһϠflag_lock = 0; break; } case 4: { dat_buf[0] = key_val; //µÚ4λÊýÂë&sup1;ÜÏÔʾ4ºÅ dat_buf[1] = 16; //ÏÔʾ'-' time = time2; alarm(); //·äÃùÆ÷ÏìһϠflag_lock = 0; break; } case 5: { dat_buf[0] = key_val; //µÚ5λÊýÂë&sup1;ÜÏÔʾ5ºÅ dat_buf[1] = 16; //ÏÔʾ'-' time = time2; alarm(); //·äÃùÆ÷ÏìһϠflag_lock = 0; break; } case 6: { dat_buf[0] = key_val; //µÚ6λÊýÂë&sup1;ÜÏÔʾ6ºÅ dat_buf[1] = 16; //ÏÔʾ'-' time = time2; alarm(); //·äÃùÆ÷ÏìһϠflag_lock = 0; break; } default: break; } } dat_buf[2] = time / 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄʮλÊý dat_buf[3] = time % 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄ¸öλÊý dig_scan(dat_buf); //ÊýÂë&sup1;ÜÏÔʾÄÚÈÝ } } /* ÉèÖõ&sup1;&frac14;ÆÊ±Ê±&frac14;ä */ void SetTime(void) { unsigned char mode = 0; //0£ºµ÷&frac12;ÚÇÀ´ðµ&sup1;&frac14;ÆÊ±£¬1£ºµ÷&frac12;ڻشðµ&sup1;&frac14;ÆÊ±£¬2£ºÍ˳ö while(1) { if(KeyScan() == 8) //Èç&sup1;ûÔٴΰ´ÏÂÉèÖÃ&frac14;ü£¬ÔòÍ˳öÉèÖÃ&sup1;¦ÄÜ { alarm(); //·äÃùÆ÷ÏìÒ»Éù ++mode; if(mode >= 2) break; //Ìø³öµ±Ç°ËÀÑ­»· } if(KeyScan() == 7) //Èç&sup1;û°´ÏÂ&frac14;Ó&frac14;ü£¬&frac12;øÐе÷ʱ { alarm(); //·äÃùÆ÷ÏìÒ»Éù if(mode == 0) //µ÷&frac12;ÚÇÀ´ðµ&sup1;&frac14;ÆÊ± { ++time1; //µ&sup1;&frac14;ÆÊ±Ê±&frac14;ä&frac14;ÓÒ»´Î if(time1 > 30) //µ÷ʱ·¶Î§£º5s~30s time1 = 5; } if(mode == 1) //µ÷&frac12;ڻشðµ&sup1;&frac14;ÆÊ± { ++time2; //µ&sup1;&frac14;ÆÊ±Ê±&frac14;ä&frac14;ÓÒ»´Î if(time2 > 30) //µ÷ʱ·¶Î§£º5s~30s time2 = 5; } } /* µ÷ʱÏÔʾ´¦Àí */ if(mode == 0) { dat_buf[0] = 16; //ÏÔʾ'-' dat_buf[1] = time1 / 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄʮλÊý dat_buf[2] = time1 % 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄ¸öλÊý dat_buf[3] = 16; //ÏÔʾ'-' } if(mode == 1) { dat_buf[0] = 18; //ÏÔʾ'=' dat_buf[1] = time2 / 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄʮλÊý dat_buf[2] = time2 % 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄ¸öλÊý dat_buf[3] = 18; //ÏÔʾ'=' } dig_scan(dat_buf); //ÊýÂë&sup1;ÜÏÔʾÄÚÈÝ } time = time1; //»Øµ&frac12;Ö÷&frac12;çÃæÏÔʾÇÀ´ðµ&sup1;&frac14;ÆÊ± }写出一个这样的代码,主持人是1.0,时间调节是1.1,选手1.2-1.7,蜂鸣器是3.3,LED是3.4,数码管1234是2.0-2.3
09-19
/** **************************************************************************************************** * @file usart.c * @author ÕýµãÔ­×ÓÍŶÓ(ALIENTEK) * @version V1.1 * @date 2023-06-05 * @brief ´®¿Ú³õÊ&frac14;»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§³Öprintf * @license Copyright (c) 2020-2032, &sup1;ãÖÝÊÐÐÇÒíµç×Ó¿Æ&frac14;&frac14;ÓÐÏÞ&sup1;«Ë¾ **************************************************************************************************** * @attention * * ʵÑéÆ&frac12;̨:ÕýµãÔ­×Ó Ì&frac12;Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * &frac14;&frac14;ÊõÂÛ̳:www.openedv.com * &sup1;«Ë¾ÍøÖ·:www.alientek.com * &sup1;ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²&frac14; * V1.1 20230605 * ɾ³ýUSART_UX_IRQHandler()º¯ÊýµÄ³¬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§³Öprintfº¯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¿·ÖÀý³Ì¿ÉÄܳöÏÖ°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÷ÓÃfputcÊä³ö×Ö·û´®µ&frac12;´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê³É */ 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»º³å, ×î´óUSART_REC_LEN¸ö×Ö&frac12;Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* &frac12;ÓÊÕ״̬ * bit15£¬ &frac12;ÓÊÕÍê³É±êÖ¾ * 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»º³å */ UART_HandleTypeDef g_uart1_handle; /* UART¾ä±ú */ /** * @brief ´®¿ÚX³õÊ&frac14;»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù¾Ý×Ô&frac14;ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂʾͻáÉèÖÃÒì³£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒѾ­ÉèÖÃ&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; /* ×Ö³¤Îª8λÊý¾Ý¸ñÊ&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±ê־λUART_IT_RXNE£¬²¢ÇÒÉèÖÃ&frac12;ÓÊÕ»º³åÒÔ&frac14;°&frac12;ÓÊÕ»º³å&frac12;ÓÊÕ×î´óÊý¾ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã³õÊ&frac14;»¯º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê³ÉʱÖÓÊ&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 MSP³õÊ&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; /* ¸´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); /* ³õÊ&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); /* ³õÊ&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: UART¾ä±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;ÓÊÕδÍê³É */ { 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;ÓÊÕÍê³ÉÁË */ } } 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;ÓÊÕÊý¾Ý´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 ´®¿Ú³õÊ&frac14;»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§³Öprintf * @license Copyright (c) 2020-2032, &sup1;ãÖÝÊÐÐÇÒíµç×Ó¿Æ&frac14;&frac14;ÓÐÏÞ&sup1;«Ë¾ **************************************************************************************************** * @attention * * ʵÑéÆ&frac12;̨:ÕýµãÔ­×Ó Ì&frac12;Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * &frac14;&frac14;ÊõÂÛ̳:www.openedv.com * &sup1;«Ë¾ÍøÖ·:www.alientek.com * &sup1;ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²&frac14; * V1.1 20230605 * ɾ³ýUSART_UX_IRQHandler()º¯ÊýµÄ³¬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§³Öprintfº¯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¿·ÖÀý³Ì¿ÉÄܳöÏÖ°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÷ÓÃfputcÊä³ö×Ö·û´®µ&frac12;´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê³É */ 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»º³å, ×î´óUSART_REC_LEN¸ö×Ö&frac12;Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* &frac12;ÓÊÕ״̬ * bit15£¬ &frac12;ÓÊÕÍê³É±êÖ¾ * 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»º³å */ UART_HandleTypeDef g_uart1_handle; /* UART¾ä±ú */ /** * @brief ´®¿ÚX³õÊ&frac14;»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù¾Ý×Ô&frac14;ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂʾͻáÉèÖÃÒì³£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒѾ­ÉèÖÃ&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; /* ×Ö³¤Îª8λÊý¾Ý¸ñÊ&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±ê־λUART_IT_RXNE£¬²¢ÇÒÉèÖÃ&frac12;ÓÊÕ»º³åÒÔ&frac14;°&frac12;ÓÊÕ»º³å&frac12;ÓÊÕ×î´óÊý¾ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã³õÊ&frac14;»¯º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê³ÉʱÖÓÊ&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 MSP³õÊ&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; /* ¸´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); /* ³õÊ&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); /* ³õÊ&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: UART¾ä±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;ÓÊÕδÍê³É */ { 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;ÓÊÕÍê³ÉÁË */ } } 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;ÓÊÕÊý¾Ý´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 ´®¿Ú³õÊ&frac14;»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§³Öprintf * @license Copyright (c) 2020-2032, &sup1;ãÖÝÊÐÐÇÒíµç×Ó¿Æ&frac14;&frac14;ÓÐÏÞ&sup1;«Ë¾ **************************************************************************************************** * @attention * * ʵÑéÆ&frac12;̨:ÕýµãÔ­×Ó Ì&frac12;Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * &frac14;&frac14;ÊõÂÛ̳:www.openedv.com * &sup1;«Ë¾ÍøÖ·:www.alientek.com * &sup1;ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²&frac14; * V1.1 20230605 * ɾ³ýUSART_UX_IRQHandler()º¯ÊýµÄ³¬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§³Öprintfº¯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¿·ÖÀý³Ì¿ÉÄܳöÏÖ°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÷ÓÃfputcÊä³ö×Ö·û´®µ&frac12;´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê³É */ 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»º³å, ×î´óUSART_REC_LEN¸ö×Ö&frac12;Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* &frac12;ÓÊÕ״̬ * bit15£¬ &frac12;ÓÊÕÍê³É±êÖ¾ * 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»º³å */ UART_HandleTypeDef g_uart1_handle; /* UART¾ä±ú */ /** * @brief ´®¿ÚX³õÊ&frac14;»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù¾Ý×Ô&frac14;ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂʾͻáÉèÖÃÒì³£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒѾ­ÉèÖÃ&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; /* ×Ö³¤Îª8λÊý¾Ý¸ñÊ&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±ê־λUART_IT_RXNE£¬²¢ÇÒÉèÖÃ&frac12;ÓÊÕ»º³åÒÔ&frac14;°&frac12;ÓÊÕ»º³å&frac12;ÓÊÕ×î´óÊý¾ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã³õÊ&frac14;»¯º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê³ÉʱÖÓÊ&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 MSP³õÊ&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; /* ¸´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); /* ³õÊ&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); /* ³õÊ&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: UART¾ä±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;ÓÊÕδÍê³É */ { 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;ÓÊÕÍê³ÉÁË */ } } 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;ÓÊÕÊý¾Ý´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 ´®¿Ú³õÊ&frac14;»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§³Öprintf * @license Copyright (c) 2020-2032, &sup1;ãÖÝÊÐÐÇÒíµç×Ó¿Æ&frac14;&frac14;ÓÐÏÞ&sup1;«Ë¾ **************************************************************************************************** * @attention * * ʵÑéÆ&frac12;̨:ÕýµãÔ­×Ó Ì&frac12;Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * &frac14;&frac14;ÊõÂÛ̳:www.openedv.com * &sup1;«Ë¾ÍøÖ·:www.alientek.com * &sup1;ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²&frac14; * V1.1 20230605 * ɾ³ýUSART_UX_IRQHandler()º¯ÊýµÄ³¬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§³Öprintfº¯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¿·ÖÀý³Ì¿ÉÄܳöÏÖ°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÷ÓÃfputcÊä³ö×Ö·û´®µ&frac12;´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê³É */ 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»º³å, ×î´óUSART_REC_LEN¸ö×Ö&frac12;Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* &frac12;ÓÊÕ״̬ * bit15£¬ &frac12;ÓÊÕÍê³É±êÖ¾ * 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»º³å */ UART_HandleTypeDef g_uart1_handle; /* UART¾ä±ú */ /** * @brief ´®¿ÚX³õÊ&frac14;»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù¾Ý×Ô&frac14;ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂʾͻáÉèÖÃÒì³£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒѾ­ÉèÖÃ&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; /* ×Ö³¤Îª8λÊý¾Ý¸ñÊ&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±ê־λUART_IT_RXNE£¬²¢ÇÒÉèÖÃ&frac12;ÓÊÕ»º³åÒÔ&frac14;°&frac12;ÓÊÕ»º³å&frac12;ÓÊÕ×î´óÊý¾ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã³õÊ&frac14;»¯º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê³ÉʱÖÓÊ&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 MSP³õÊ&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; /* ¸´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); /* ³õÊ&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); /* ³õÊ&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: UART¾ä±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;ÓÊÕδÍê³É */ { 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;ÓÊÕÍê³ÉÁË */ } } 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;ÓÊÕÊý¾Ý´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 ´®¿Ú³õÊ&frac14;»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§³Öprintf * @license Copyright (c) 2020-2032, &sup1;ãÖÝÊÐÐÇÒíµç×Ó¿Æ&frac14;&frac14;ÓÐÏÞ&sup1;«Ë¾ **************************************************************************************************** * @attention * * ʵÑéÆ&frac12;̨:ÕýµãÔ­×Ó Ì&frac12;Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * &frac14;&frac14;ÊõÂÛ̳:www.openedv.com * &sup1;«Ë¾ÍøÖ·:www.alientek.com * &sup1;ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²&frac14; * V1.1 20230605 * ɾ³ýUSART_UX_IRQHandler()º¯ÊýµÄ³¬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§³Öprintfº¯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¿·ÖÀý³Ì¿ÉÄܳöÏÖ°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÷ÓÃfputcÊä³ö×Ö·û´®µ&frac12;´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê³É */ 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»º³å, ×î´óUSART_REC_LEN¸ö×Ö&frac12;Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* &frac12;ÓÊÕ״̬ * bit15£¬ &frac12;ÓÊÕÍê³É±êÖ¾ * 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»º³å */ UART_HandleTypeDef g_uart1_handle; /* UART¾ä±ú */ /** * @brief ´®¿ÚX³õÊ&frac14;»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù¾Ý×Ô&frac14;ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂʾͻáÉèÖÃÒì³£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒѾ­ÉèÖÃ&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; /* ×Ö³¤Îª8λÊý¾Ý¸ñÊ&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±ê־λUART_IT_RXNE£¬²¢ÇÒÉèÖÃ&frac12;ÓÊÕ»º³åÒÔ&frac14;°&frac12;ÓÊÕ»º³å&frac12;ÓÊÕ×î´óÊý¾ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã³õÊ&frac14;»¯º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê³ÉʱÖÓÊ&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 MSP³õÊ&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; /* ¸´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); /* ³õÊ&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); /* ³õÊ&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: UART¾ä±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;ÓÊÕδÍê³É */ { 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;ÓÊÕÍê³ÉÁË */ } } 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;ÓÊÕÊý¾Ý´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 ´®¿Ú³õÊ&frac14;»¯´úÂë(Ò»°ãÊÇ´®¿Ú1)£¬Ö§³Öprintf * @license Copyright (c) 2020-2032, &sup1;ãÖÝÊÐÐÇÒíµç×Ó¿Æ&frac14;&frac14;ÓÐÏÞ&sup1;«Ë¾ **************************************************************************************************** * @attention * * ʵÑéÆ&frac12;̨:ÕýµãÔ­×Ó Ì&frac12;Ë÷Õß F407¿ª·¢°å * ÔÚÏßÊÓÆµ:www.yuanzige.com * &frac14;&frac14;ÊõÂÛ̳:www.openedv.com * &sup1;«Ë¾ÍøÖ·:www.alientek.com * &sup1;ºÂòµØÖ·:openedv.taobao.com * * ÐÞ¸Ä˵Ã÷ * V1.0 20211014 * µÚÒ»´Î·¢²&frac14; * V1.1 20230605 * ɾ³ýUSART_UX_IRQHandler()º¯ÊýµÄ³¬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§³Öprintfº¯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¿·ÖÀý³Ì¿ÉÄܳöÏÖ°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÷ÓÃfputcÊä³ö×Ö·û´®µ&frac12;´®¿Ú */ int fputc(int ch, FILE *f) { while ((USART1->SR & 0X40) == 0); /* µÈ´ýÉÏÒ»¸ö×Ö·û·¢ËÍÍê³É */ 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»º³å, ×î´óUSART_REC_LEN¸ö×Ö&frac12;Ú. */ uint8_t g_usart_rx_buf[USART_REC_LEN]; /* &frac12;ÓÊÕ״̬ * bit15£¬ &frac12;ÓÊÕÍê³É±êÖ¾ * 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»º³å */ UART_HandleTypeDef g_uart1_handle; /* UART¾ä±ú */ /** * @brief ´®¿ÚX³õÊ&frac14;»¯º¯Êý * @param baudrate: ²¨ÌØÂÊ, ¸ù¾Ý×Ô&frac14;ºÐèÒªÉèÖò¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú²¨ÌØÂʾͻáÉèÖÃÒì³£. * ÕâÀïµÄUSARTµÄʱÖÓÔ´ÔÚsys_stm32_clock_init()º¯ÊýÖÐÒѾ­ÉèÖÃ&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; /* ×Ö³¤Îª8λÊý¾Ý¸ñÊ&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±ê־λUART_IT_RXNE£¬²¢ÇÒÉèÖÃ&frac12;ÓÊÕ»º³åÒÔ&frac14;°&frac12;ÓÊÕ»º³å&frac12;ÓÊÕ×î´óÊý¾ÝÁ¿ */ HAL_UART_Receive_IT(&g_uart1_handle, (uint8_t *)g_rx_buffer, RXBUFFERSIZE); } /** * @brief UARTµ×²ã³õÊ&frac14;»¯º¯Êý * @param huart: UART¾ä±úÀàÐÍÖ¸Õë * @note ´Ëº¯Êý»á±»HAL_UART_Init()µ÷Óà * Íê³ÉʱÖÓÊ&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 MSP³õÊ&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; /* ¸´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); /* ³õÊ&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); /* ³õÊ&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: UART¾ä±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;ÓÊÕδÍê³É */ { 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;ÓÊÕÍê³ÉÁË */ } } 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;ÓÊÕÊý¾Ý´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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