实验24 485实验.zip

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文件名称：实验24 485实验.zip
文件大小：372KB
文件格式：ZIP
更新时间：2023-01-09 16:10:06
STM32 #include "led.h" #include "delay.h" #include "key.h" #include "sys.h" #include "lcd.h" #include "usart.h" #include "rs485.h" /************************************************ ALIENTEK¾«Ó¢STM32¿ª·¢°åʵÑé24 485 ʵÑé ¼¼ÊõÖ§³Ö£ºwww.openedv.com ÌÔ±¦µêÆÌ£ºhttp://eboard.taobao.com ¹Øע΢ÐŹ«ÖÚƽ̨΢Ðźţº"ÕýµãÔ­×Ó"£¬Ãâ·Ñ»ñÈ¡STM32×ÊÁÏ¡£ ¹ãÖÝÊÐÐÇÒíµç×ӿƼ¼ÓÐÏÞ¹«Ë¾ ×÷ÕߣºÕýµãÔ­×Ó @ALIENTEK ************************************************/ int main(void) { u8 key; u8 i=0,t=0; u8 cnt=0; u8 rs485buf[5]; delay_init(); //ÑÓʱº¯Êý³õʼ»¯ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//ÉèÖÃÖжÏÓÅÏȼ¶·Ö×éΪ×é2£º2λÇÀÕ¼ÓÅÏȼ¶£¬2λÏìÓ¦ÓÅÏȼ¶ uart_init(115200); //´®¿Ú³õʼ»¯Îª115200 LED_Init(); //³õʼ»¯ÓëLEDÁ¬½ÓµÄÓ²¼þ½Ó¿Ú LCD_Init(); //³õʼ»¯LCD KEY_Init(); //°´¼ü³õʼ»¯ RS485_Init(9600); //³õʼ»¯RS485 POINT_COLOR=RED;//ÉèÖÃ×ÖÌåΪºìÉ« LCD_ShowString(30,50,200,16,16,"ELITE STM32"); LCD_ShowString(30,70,200,16,16,"RS485 TEST"); LCD_ShowString(30,90,200,16,16,"ATOM@ALIENTEK"); LCD_ShowString(30,110,200,16,16,"2015/1/15"); LCD_ShowString(30,130,200,16,16,"KEY0:Send"); //ÏÔʾÌáʾÐÅÏ¢ POINT_COLOR=BLUE;//ÉèÖÃ×ÖÌåΪÀ¶É« LCD_ShowString(30,150,200,16,16,"Count:"); //ÏÔʾµ±Ç°¼ÆÊýÖµ LCD_ShowString(30,170,200,16,16,"Send Data:"); //Ìáʾ·¢Ë͵ÄÊý¾Ý LCD_ShowString(30,210,200,16,16,"Receive Data:"); //Ìáʾ½ÓÊÕµ½µÄÊý¾Ý while(1) { key=KEY_Scan(0); if(key==KEY0_PRES)//KEY0°´ÏÂ,·¢ËÍÒ»´ÎÊý¾Ý { for(i=0;i<5;i++) { rs485buf[i]=cnt+i;//Ìî³ä·¢ËÍ»º³åÇø LCD_ShowxNum(30+i*32,190,rs485buf[i],3,16,0X80); //ÏÔʾÊý¾Ý } RS485_Send_Data(rs485buf,5);//·¢ËÍ5¸ö×Ö½Ú } RS485_Receive_Data(rs485buf,&key); if(key)//½ÓÊÕµ½ÓÐÊý¾Ý { if(key>5)key=5;//×î´óÊÇ5¸öÊý¾Ý. for(i=0;i