資料下載地址：STM32+WIFI獲取網絡時間+8位數碼管顯示+0.96OLED

1、項目介紹

主控芯片STM32C8T6? ?? ???
接線：串口1：PA9? ???PA10
OELD ：PB6? ?PB7

數碼管使用：MAX7219 8位數碼管
Max7219_pinCLK PAout(5)
Max7219_pinCS??PAout(3)
Max7219_pinDIN PAout(7)

2、實物圖片

3、程序

#include "led.h"
#include "delay.h"
#include "key.h"
#include "sys.h"
#include "usart.h"
#include "ESP8266.h"
#include "oled.h"
#include "RTC.h"
#include "dht11.h"
#include "7219.h"int main(void)
{       delay_init();                     //延時函數初始化          NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //設置NVIC中斷分組2:2位搶占優先級，2位響應優先級uart_init(115200);         //串口初始化為115200LED_Init();                             //LED端口初始化KEY_Init();          //初始化與按鍵連接的硬件接口OLED_Init();                        //初始化OLED  OLED_Clear();ESP8266_Init();esp8266_get_time();//獲取時間dispose_time_data(); //更新時間esp8266_get_weather();//獲取天氣dispose_wea_data();//更新天氣RTC_Init();          //初始化與按鍵連接的硬件接口display_week();//顯示星期SPI1_Init();Init_MAX7219();while(1){       //0.96OLED顯示OLED_ShowNum(0,0,calendar.w_year,4,16);//年OLED_ShowNum(48,0,calendar.w_month,2,16);//月OLED_ShowNum(80,0,calendar.w_date,2,16);//日OLED_ShowNum(0,2,calendar.hour,2,16);//時OLED_ShowNum(24,2,calendar.min,2,16);//分OLED_ShowNum(48,2,calendar.sec,2,16);//秒OLED_ShowNum(20,4,temperature,2,16);//溫度if((calendar.hour==0)&&(calendar.min==0)&&(calendar.sec==0)){calendar.week+=1;if(calendar.week>8) calendar.week=1;display_week();//顯示星期}//        數碼管顯示               if(calendar.sec<55){Write_Max7219(0x08, calendar.hour/10);Write_Max7219(0x07, calendar.hour%10);Write_Max7219(0x06, 0x0A);Write_Max7219(0x05, calendar.min/10);Write_Max7219(0x04, calendar.min%10);Write_Max7219(0x03, 0x0A);Write_Max7219(0x02, calendar.sec/10);Write_Max7219(0x01, calendar.sec%10);delay_ms(100);}else{Write_Max7219(0x08, calendar.w_month/10); //日期Write_Max7219(0x07, calendar.w_month%10);Write_Max7219(0x06, 0x0A);Write_Max7219(0x05, calendar.w_date/10);Write_Max7219(0x04, calendar.w_date%10);Write_Max7219(0x02, temperature/10);//溫度Write_Max7219(0x01, temperature%10);delay_ms(100);}}
}