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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
#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;&sup2;ÒõÊýÂë&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£º&sup2;»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); //&sup2;âÊÔÊýÂë&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±£¬&sup2;¢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·¢&sup2;&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, ¶ø&sup2;»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* Ê&sup1;ÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷&sup2;»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ&sup2;ÎÊý¸ñÊ&frac12;£¬·ñÔò&sup2;¿·ÖÀý³Ì¿ÉÄܳöÏÖ°ëÖ÷»úÄ£Ê&frac12; */ #else /* Ê&sup1;ÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ &sup2;»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 /* &sup2;»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: &sup2;¨ÌØÂÊ, ¸ù¾Ý×Ô&frac14;ºÐèÒªÉèÖÃ&sup2;¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú&sup2;¨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; /* &sup2;¨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; /* ÎÞÓ&sup2;&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£¬&sup2;¢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×&sup2;ã³õÊ&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·¢&sup2;&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, ¶ø&sup2;»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* Ê&sup1;ÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷&sup2;»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ&sup2;ÎÊý¸ñÊ&frac12;£¬·ñÔò&sup2;¿·ÖÀý³Ì¿ÉÄܳöÏÖ°ëÖ÷»úÄ£Ê&frac12; */ #else /* Ê&sup1;ÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ &sup2;»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 /* &sup2;»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: &sup2;¨ÌØÂÊ, ¸ù¾Ý×Ô&frac14;ºÐèÒªÉèÖÃ&sup2;¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú&sup2;¨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; /* &sup2;¨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; /* ÎÞÓ&sup2;&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£¬&sup2;¢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×&sup2;ã³õÊ&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·¢&sup2;&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, ¶ø&sup2;»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* Ê&sup1;ÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷&sup2;»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ&sup2;ÎÊý¸ñÊ&frac12;£¬·ñÔò&sup2;¿·ÖÀý³Ì¿ÉÄܳöÏÖ°ëÖ÷»úÄ£Ê&frac12; */ #else /* Ê&sup1;ÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ &sup2;»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 /* &sup2;»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: &sup2;¨ÌØÂÊ, ¸ù¾Ý×Ô&frac14;ºÐèÒªÉèÖÃ&sup2;¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú&sup2;¨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; /* &sup2;¨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; /* ÎÞÓ&sup2;&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£¬&sup2;¢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×&sup2;ã³õÊ&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·¢&sup2;&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, ¶ø&sup2;»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* Ê&sup1;ÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷&sup2;»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ&sup2;ÎÊý¸ñÊ&frac12;£¬·ñÔò&sup2;¿·ÖÀý³Ì¿ÉÄܳöÏÖ°ëÖ÷»úÄ£Ê&frac12; */ #else /* Ê&sup1;ÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ &sup2;»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 /* &sup2;»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: &sup2;¨ÌØÂÊ, ¸ù¾Ý×Ô&frac14;ºÐèÒªÉèÖÃ&sup2;¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú&sup2;¨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; /* &sup2;¨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; /* ÎÞÓ&sup2;&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£¬&sup2;¢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×&sup2;ã³õÊ&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·¢&sup2;&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, ¶ø&sup2;»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* Ê&sup1;ÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷&sup2;»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ&sup2;ÎÊý¸ñÊ&frac12;£¬·ñÔò&sup2;¿·ÖÀý³Ì¿ÉÄܳöÏÖ°ëÖ÷»úÄ£Ê&frac12; */ #else /* Ê&sup1;ÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ &sup2;»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 /* &sup2;»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: &sup2;¨ÌØÂÊ, ¸ù¾Ý×Ô&frac14;ºÐèÒªÉèÖÃ&sup2;¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú&sup2;¨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; /* &sup2;¨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; /* ÎÞÓ&sup2;&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£¬&sup2;¢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×&sup2;ã³õÊ&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·¢&sup2;&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, ¶ø&sup2;»ÐèҪѡÔñuse MicroLIB */ #if 1 #if (__ARMCC_VERSION >= 6010050) /* Ê&sup1;ÓÃAC6±àÒëÆ÷ʱ */ __asm(".global __use_no_semihosting\n\t"); /* ÉùÃ÷&sup2;»Ê&sup1;ÓðëÖ÷»úÄ£Ê&frac12; */ __asm(".global __ARM_use_no_argv \n\t"); /* AC6ÏÂÐèÒªÉùÃ÷mainº¯ÊýΪÎÞ&sup2;ÎÊý¸ñÊ&frac12;£¬·ñÔò&sup2;¿·ÖÀý³Ì¿ÉÄܳöÏÖ°ëÖ÷»úÄ£Ê&frac12; */ #else /* Ê&sup1;ÓÃAC5±àÒëÆ÷ʱ, ÒªÔÚÕâÀﶨÒå__FILE ºÍ &sup2;»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 /* &sup2;»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: &sup2;¨ÌØÂÊ, ¸ù¾Ý×Ô&frac14;ºÐèÒªÉèÖÃ&sup2;¨ÌØÂÊÖµ * @note ×¢Òâ: ±ØÐëÉèÖÃÕýÈ·µÄʱÖÓÔ´, ·ñÔò´®¿Ú&sup2;¨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; /* &sup2;¨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; /* ÎÞÓ&sup2;&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£¬&sup2;¢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×&sup2;ã³õÊ&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
#include <reg52.h> //°üº¬51µ¥Æ¬»úÏà&sup1;صÄÍ·ÎÄ&frac14;þ #include <intrins.h> #define uint unsigned int //ÖØ¶¨ÒåÎÞ·ûºÅÕûÊýÀàÐÍ #define uchar unsigned char //ÖØ¶¨ÒåÎÞ·ûºÅ×Ö·ûÀàÐÍ uchar code LedShowData[]={0x03,0x9F,0x25,0x0D,0x99, //¶¨ÒåÊýÂë&sup1;ÜÏÔʾÊý¾Ý 0x49,0x41,0x1F,0x01,0x19};//0,1,2,3,4,5,6,7,8,9 uchar code RecvData[]={0x19,0x46,0x15,0x44,0x43,0x40,0x0D,0x0E,0x00,0x0F}; uchar IRCOM[7]; static unsigned int LedFlash; //¶¨ÒåÉÁ¶¯ÆµÂÊ&frac14;ÆÊý±äÁ¿ unsigned char RunFlag=0; //¶¨ÒåÔËÐбê־λ bit EnableLight=0; //¶¨ÒåָʾµÆÊ&sup1;ÄÜλ /*************Íê³É״ָ̬ʾµÆ¶¨Òå*************/ sbit S1=P3^2; //¶¨ÒåS1°´&frac14;ü¶Ë¿Ú /*************Íê³Éµç»ú¿ØÖƶ˿ڶ¨Òå***********/ sbit M1A=P1^2; //¶¨Òåµç»ú1ÕýÏò¶Ë¿Ú sbit M1B=P1^3; //¶¨Òåµç»ú1·´Ïò¶Ë¿Ú sbit M2A=P1^4; //¶¨Òåµç»ú2ÕýÏò¶Ë¿Ú sbit M2B=P1^5; //¶¨Òåµç»ú2·´Ïò¶Ë¿Ú sbit IRIN=P3^3; //¶¨ÒåºìÍâ&frac12;ÓÊÕ¶Ë¿Ú /*********Íê³ÉºìÍâ&frac12;ÓÊն˿ڵ͍Òå*************/ #define ShowPort P0 //¶¨ÒåÊýÂë&sup1;ÜÏÔʾ¶Ë¿Ú extern void ControlCar(uchar CarType); //ÉùÃ÷С³µ¿ØÖÆ×Ó³ÌÐò void delayms(unsigned char x) //0.14mSÑÓʱ³ÌÐò { unsigned char i; //¶¨ÒåÁÙʱ±äÁ¿ while(x--) //ÑÓʱʱ&frac14;äÑ­»· { for (i = 0; i<13; i++) {} //14mSÑÓʱ } } void Delay1ms(unsigned int i) { unsigned char j,k; do{ j = 10; do{ k = 50; do{ _nop_(); }while(--k); }while(--j); }while(--i); } void Delay() //¶¨ÒåÑÓʱ×Ó³ÌÐò { uint DelayTime=30000; //¶¨ÒåÑÓʱʱ&frac14;ä±äÁ¿ while(DelayTime--); //¿ªÊ&frac14;&frac12;øÐÐÑÓʱѭ»· return; //×Ó³ÌÐò·µ»Ø } void tingzhi() { M1A=0; //&frac12;«M1µç»úA¶Ë³õÊ&frac14;»¯Îª0 M1B=0; //&frac12;«M1µç»úB¶Ë³õÊ&frac14;»¯Îª0 M2A=0; //&frac12;«M2µç»úA¶Ë³õÊ&frac14;»¯Îª0 M2B=0; } void qianjin() { M1A=1; M1B=0; M2A=1; M2B=0; } void houtui() { M1A=0; M1B=1; M2A=0; M2B=1; } void youzhuan() { M1A=1; M1B=0; M2A=0; M2B=1; } void zuozhuan() { M1A=0; M1B=1; M2A=1; M2B=0; } void ControlCar(unsigned char ConType) //¶¨Òåµç»ú¿ØÖÆ×Ó³ÌÐò { tingzhi(); switch(ConType) //ÅжÏÓû§É趨µç»úÐÎÊ&frac12; { case 1: //ǰ&frac12;ø //ÅжÏÓû§ÊÇ·ñÑ¡ÔñÐÎÊ&frac12;1 { tingzhi(); //&frac12;øÈëǰ&frac12;øÖ®Ç° ÏÈÍ£Ö&sup1;Ò»¶Îʱ&frac14;ä ·ÀÖ&sup1;µç»ú·´ÏòµçÑ&sup1;³å»÷Ö÷°å µ&frac14;ÖÂϵͳ¸´Î» Delay1ms(240); qianjin(); ShowPort=LedShowData[1]; break; } case 2: //ºóÍË //ÅжÏÓû§ÊÇ·ñÑ¡ÔñÐÎÊ&frac12;2 { tingzhi(); //&frac12;øÈëºóÍË֮ǰ ÏÈÍ£Ö&sup1;Ò»¶Îʱ&frac14;ä ·ÀÖ&sup1;µç»ú·´ÏòµçÑ&sup1;³å»÷Ö÷°å µ&frac14;ÖÂϵͳ¸´Î» Delay1ms(240); // LeftLed = 1 ; houtui(); ShowPort=LedShowData[2]; //M2µç»ú·´×ª break; } case 3: //×óת //ÅжÏÓû§ÊÇ·ñÑ¡ÔñÐÎÊ&frac12;3 { tingzhi(); //&frac12;øÈë×óת֮ǰ ÏÈÍ£Ö&sup1;Ò»¶Îʱ&frac14;ä ·ÀÖ&sup1;µç»ú·´ÏòµçÑ&sup1;³å»÷Ö÷°å µ&frac14;ÖÂϵͳ¸´Î» Delay1ms(240); zuozhuan(); ShowPort=LedShowData[3]; //M2µç»úÕýת break; } case 4: //ÓÒת //ÅжÏÓû§ÊÇ·ñÑ¡ÔñÐÎÊ&frac12;4 { tingzhi(); //&frac12;øÈëÓÒת֮ǰ ÏÈÍ£Ö&sup1;Ò»¶Îʱ&frac14;ä ·ÀÖ&sup1;µç»ú·´ÏòµçÑ&sup1;³å»÷Ö÷°å µ&frac14;ÖÂϵͳ¸´Î» Delay1ms(240); youzhuan(); //M1µç»úÕýת ShowPort=LedShowData[4]; //M2µç»ú·´×ª break; } case 5: //Í£Ö&sup1; //ÅжÏÓû§ÊÇ·ñÑ¡ÔñÐÎÊ&frac12;8 { tingzhi(); ShowPort=LedShowData[0]; break; //Í˳öµ±Ç°Ñ¡Ôñ } } } void IR_IN() interrupt 2 using 0 //¶¨ÒåINT2Íâ&sup2;¿ÖжϺ¯Êý { unsigned char j,k,N=0; //¶¨ÒåÁÙʱ&frac12;ÓÊÕ±äÁ¿ EX1 = 0; //&sup1;رÕÍâ&sup2;¿ÖжÏ,·ÀÖ&sup1;ÔÙÓÐÐźŵ&frac12;´ï delayms(15); //ÑÓʱʱ&frac14;䣬&frac12;øÐкìÍâÏû¶¶ if (IRIN==1) //ÅжϺìÍâÐźÅÊÇ·ñÏûʧ { EX1 =1; //Íâ&sup2;¿ÖжϿª return; //·µ»Ø } while (!IRIN) //µÈIR±äΪ¸ßµçÆ&frac12;£¬Ìø&sup1;ý9msµÄǰµ&frac14;µÍµçÆ&frac12;Ðźš£ { delayms(1); //ÑÓʱµÈ´ý } for (j=0;j<4;j++) //&sup2;É&frac14;¯ºìÍâÒ£¿ØÆ÷Êý¾Ý { for (k=0;k<8;k++) //·Ö´Î&sup2;É&frac14;¯8λÊý¾Ý { while (IRIN) //µÈ IR ±äΪµÍµçÆ&frac12;£¬Ìø&sup1;ý4.5msµÄǰµ&frac14;¸ßµçÆ&frac12;Ðźš£ { delayms(1); //ÑÓʱµÈ´ý } while (!IRIN) //µÈ IR ±äΪ¸ßµçÆ&frac12; { delayms(1); //ÑÓʱµÈ´ý } while (IRIN) //&frac14;ÆËãIR¸ßµçÆ&frac12;ʱ³¤ { delayms(1); //ÑÓʱµÈ´ý N++; //&frac14;ÆÊýÆ÷&frac14;Ó&frac14;Ó if (N>=30) //ÅжÏ&frac14;ÆÊýÆ÷ÀÛ&frac14;ÓÖµ { EX1=1; //´ò¿ªÍâ&sup2;¿ÖжÏ&sup1;¦ÄÜ return; //·µ»Ø } } IRCOM[j]=IRCOM[j] >> 1; //&frac12;øÐÐÊý¾ÝÎ»ÒÆ&sup2;Ù×÷&sup2;¢×Ô¶¯&sup2;&sup1;Áã if (N>=8) //ÅжÏÊý¾Ý³¤¶È { IRCOM[j] = IRCOM[j] | 0x80; //Êý¾Ý×î¸ßλ&sup2;&sup1;1 } N=0; //ÇåÁãλÊý&frac14;ÆÂ&frac14;Æ÷ } } if (IRCOM[2]!=~IRCOM[3]) //ÅжϵØÖ·ÂëÊÇ·ñÏàͬ { EX1=1; //´ò¿ªÍâ&sup2;¿ÖÐ¶Ï return; //·µ»Ø } for(j=0;j<10;j++) //Ñ­»·&frac12;øÐÐ&frac14;üÂë&frac12;âÎö { if(IRCOM[2]==RecvData[j]) //&frac12;øÐÐ&frac14;üλ¶ÔÓ¦ { ControlCar(j); //ÊýÂë&sup1;ÜÏÔʾÏàÓ¦ÊýÂë } } EX1 = 1; //Íâ&sup2;¿ÖжϿª } void main(void) //Ö÷³ÌÐòÈë¿Ú { bit ExeFlag=0; //¶¨Òå¿ÉÖ´ÐÐλ±äÁ¿ LedFlash=3000; //¶ÔÉÁµÆÊý¾Ý&frac12;øÐгõÊ&frac14;»¯ EX1=1; //ͬÒ⿪ÆôÍâ&sup2;¿ÖжÏ1 IT1=1; //É趨Íâ&sup2;¿ÖжÏ1ΪµÍ±ßÔµ´¥·¢ÀàÐÍ EA=1; //×ÜÖжϿªÆô ShowPort=LedShowData[0]; //ÊýÂë&sup1;ÜÏÔʾÊý×Ö0 while(1) //³ÌÐòÖ÷Ñ­»· { Delay(); //ÑÓʱ // RunStopState=~RunStopState; //ÔËÐÐָʾµÆ×´Ì¬×ª±ä } }详细解释
06-01
#include "KEY.h" #include "LCD1602.h" #include "HX711.h" sbit ZERO_BUTTON=P2^0; sbit TARE_BUTTON=P2^1; unsigned char DotPos=0;//СÊýµã±êÖ¾&frac14;°Î»Öà unsigned long Weight_Maopi = 0;//Ã«Æ¤ÖØÁ¿ float qupi=0;//ȥƤµÄÖØÁ¿ float Weight_Shiwu = 0;//ʵÎïµÄÖØÁ¿ unsigned int GapValue=350; void System_Init(void);//ϵͳ³õÊ&frac14;»¯,°üÀ¨Òº¾§ÆÁ³õÊ&frac14;»¯¡¢´®¿Ú³õÊ&frac14;»¯¡¢Ð£ÕýϵÊý³õÊ&frac14;»¯ void Get_Maopi();//¿ª»úºó,Ê×ÏÈ»ñÈ¡Ã«Æ¤ÖØÁ¿ void Get_Weight();//»ñȡʵÎïÖØÁ¿£¬&frac14;ÆËãÎïÆ·×Ü&frac14;Û£¬Òº¾§ÆÁÏÔʾÇÒ´®¿Ú´òÓ¡Ïà&sup1;ØÐÅÏ¢ void Display_Weight(void);//ÏÔÊ¾ÖØÁ¿£¬µ¥Î»kg£¬Ò»Î»ÕûÊý£¬ÈýλСÊý void Key_Scan() ;//°´&frac14;üÏìÓ¦³ÌÐò void delay(unsigned int ms) { unsigned int i, j; for(i = 0; i < ms; i++) for(j = 0; j < 123; j++); } void main() { System_Init();//³õÊ&frac14;»¯Ïà&sup1;ØÐÅÏ¢£¬&sup2;¥·Å¿ª»úÓïÒô£¬»ñÈ¡Ã«Æ¤ÖØÁ¿µÈ¡£ while(1) { Get_Weight();//»ñÈ¡ÖØÁ¿&sup2;¢ÏÔʾ if(TARE_BUTTON == 0) { delay(10); if(TARE_BUTTON == 0) { qupi= ReadHX711Value();; while(!TARE_BUTTON); } } if(ZERO_BUTTON == 0) { delay(10); if(ZERO_BUTTON == 0) { Weight_Shiwu = 0; while(!ZERO_BUTTON); } } } //ϵͳ³õÊ&frac14;»¯,°üÀ¨Òº¾§ÆÁ³õÊ&frac14;»¯¡¢´®¿Ú³õÊ&frac14;»¯¡¢Ð£ÕýϵÊý³õÊ&frac14;»¯ void System_Init(void) { LCD1602_Init();//LCD1602³õÊ&frac14;»¯ Get_Maopi(); //³ÆÃ«Æ¤ÖØÁ¿ LcdShowStr(0,0,"We:00.000"); //¿ª»ú³õÊ&frac14;ÏÔÊ¾ÖØÁ¿ } //¿ª»úºó,Ê×ÏÈ»ñÈ¡Ã«Æ¤ÖØÁ¿ void Get_Maopi() { Weight_Maopi = ReadHX711Value(); } //»ñȡʵÎïÖØÁ¿£¬&frac14;ÆËãÎïÆ·×Ü&frac14;Û£¬Òº¾§ÆÁÏÔʾÇÒ´®¿Ú´òÓ¡Ïà&sup1;ØÐÅÏ¢ void Get_Weight() { Weight_Shiwu = ReadHX711Value(); //»ñÈ¡¾»ÖØ£¬×¢ÒâÕâÀï»ñÈ¡µÄÖµÖ»ÊÇHX711¶ÁÈ¡µÄÖµ£¬&sup2;¢Î´×ª»»³ÉÏàÓ¦µÄÖØÁ¿Êý¾Ý,Weight_MaopiÊÇϵͳ³õÊ&frac14;»¯ÖÐͨ&sup1;ý //Weight_Maopi = HX711_Read()»ñÈ¡µÄÖµ Weight_Shiwu = Weight_Shiwu - Weight_Maopi; Weight_Shiwu = Weight_Shiwu/GapValue/1000-qupi; //&frac14;ÆËãʵÎïµÄʵ&frac14;ÊÖØÁ¿£¬µ¥Î»£ºKg //×¢ÒâÕâÀïµÄ&frac14;&frac14;ÇÉ£ºÇÉÃîÀûÓÃÊý¾ÝÀàÐÍת»»£¬Ê&sup1;µÃÖØÁ¿ÊýÖµ±£Áôµ&frac12;ǧ·Ö루¾«È·µ&frac12;1g£© Weight_Shiwu = ((float)((unsigned long)(Weight_Shiwu*1000)))/1000; if(Weight_Shiwu > 10.0) //³¬ÖØ { LcdShowStr(3,0,"--.---"); } else { Display_Weight(); //Òº¾§ÆÁÏÔÊ¾ÖØÁ¿ } } //ÏÔÊ¾ÖØÁ¿£¬µ¥Î»kg£¬Á&frac12;λÕûÊý£¬ÈýλСÊý void Display_Weight(void) { unsigned char str[8]; str[0] = (unsigned long)Weight_Shiwu%100/10 + '0';//·ÖÀë³öÖØÁ¿µÄʮ룬&frac14;Ó'0'£¬×ª»»Îª×Ö·û str[1] = (unsigned long)Weight_Shiwu%10 + '0';//·ÖÀë³öÖØÁ¿µÄ¸ö룬&frac14;Ó'0'£¬×ª»»Îª×Ö·û str[2] = '.'; str[3] = (unsigned long)(Weight_Shiwu*10)%10 + '0';//·ÖÀë³öÖØÁ¿µÄÊ®·Ö룬&frac14;Ó'0'£¬×ª»»Îª×Ö·û str[4] = (unsigned long)(Weight_Shiwu*100)%10 + '0';//·ÖÀë³öÖØÁ¿µÄ°Ù·Ö룬&frac14;Ó'0'£¬×ª»»Îª×Ö·û str[5] = (unsigned long)(Weight_Shiwu*1000)%10 + '0';//·ÖÀë³öÖØÁ¿µÄǧ·Ö룬&frac14;Ó'0'£¬×ª»»Îª×Ö·û str[6] = '\0'; LcdShowStr(3, 0, str); //ÔÚµÚ¶þÐеÄλÖÃ3´¦¿ªÊ&frac14;ÏÔÊ¾ÖØÁ¿£¨×Ü&sup1;&sup2;Õ&frac14;5¸öλÖã© }
06-27
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