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/**
* @file main.c
* @author Myth
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* @version 0.5
* @date 2021.10.14
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* @brief
* @details
* @note
* PC13 LED
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* I2C
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* AHT20 湿
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* BH1750
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* JTAG 使 SWD
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*/
#include "sys.h"
#include "systick.h"
#include "uart.h"
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#include "softi2c.h"
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#include "led.h"
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#include "aht20.h"
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#include "bh1750.h"
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void Echo(uint8_t byte);
int main(void)
{
if (HAL_Init() != HAL_OK) //初始化 HAL 库
{
Error_Handler(__FILE__, __LINE__); //错误处理
}
SystemClock_Config(); //初始化系统时钟为 72MHz
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DisableJTAG(); //禁用 JTAG
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SysTick_Init(); //初始化 SysTick 和软件定时器
UART_Init(); //初始化串口
LED_Init(); //初始化 LED
UART_BindReceiveHandle(COM1, Echo); //绑定 COM1 串口接收中断至 Echo 函数
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AHT20_Init(); //初始化 AHT20
float humi, temp;
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BH1750_Init(); //初始化 BH1750
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while (1)
{
//程序主循环
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if (AHT20_Read(&humi, &temp)) //读取 AHT20
printf("humi: %.1f temp: %.1f\n", humi, temp);
else
printf("fail to read AHT20.\n");
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printf("light: %f\n", BH1750_Read()); //读取 BH1750
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Delay_ms(500);
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}
return 1;
}
/**
* @brief
* @param byte:
*/
void Echo(uint8_t byte)
{
LED1_Slow_Toggle;
UART_SendChar(COM1, byte);
}