附录#include "sim900a.h"#include "usart2.h"#include "delay.h"#include "sys.h"#include "string.h"#include "dht11.h"#include "oled_iic.h"#include "usart.h"u8 temperature;u8 humidity;double hum;double temp;u8 buffer[5];u16 pm,flag;u16 set1=30,set2=70,set3=70;extern u8 USART_RX_BUF[USART_REC_LEN];//接收缓冲,最大USART_REC_LEN 个字节.int main(void){u8 res=1;delay_init();//延时函数初始化NVIC_Configuration();//设置 NVIC 中断分组 2:2 位抢占优先级,2 位响应优先级LED_Init();//LED 端口初始化USART2_Init(115200);...
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