#申请原创# 【目的】用RT-Thread完成温湿度数据采集
【APM32F107VCT6 MINI开发板测评】驱动OLED 在这篇文章的基础上增加hs3003温湿度计的驱动，并显示到OLED上。
1、打开menuconfig,配置hs3003温湿度计。
2、配置完后，退出保存并用scons --target=mdk5重新生成工程。
3、打开工程，在main.c中增加ssd1306的初始化，并添加显示温湿度显示函数。代码如下：
- #include <rtthread.h>
- #include <rtdevice.h>
- #include <board.h>
- #include "sensor_renesas_hs300x.h"
- #include "ssd1306.h"
- /* defined the LED1 pin: PE7 */
- #define LED1_PIN GET_PIN(E, 6)
- int main(void)
- {
- uint32_t sysclock = 0;
- float humi_f;
- float temp_f;
- char mqtt_send_buf[128] = {0};
- /* set LED1 pin mode to output */
- rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT);
- /* Print system clock */
- sysclock = RCM_ReadSYSCLKFreq();
- rt_kprintf("System Clock: %d\n", sysclock);
- ssd1306_Init(); //初始化OLED
- ssd1306_SetCursor(30, 0); //设置显示位置
- ssd1306_WriteString("AMP32", Font_16x26, White); //显示AMP图标
- while (1)
- {
- hs300x_read_data(&temp_humi_dev,&humi_f,&temp_f); //读取温湿度
- ssd1306_SetCursor(10, 26);
- rt_sprintf(mqtt_send_buf,"temp:%d.%02d",(int)temp_f,(int)(temp_f*100)%100); //生成显示字符串
- ssd1306_WriteString(mqtt_send_buf, Font_11x18, Black); //显示温度
- ssd1306_SetCursor(10, 26+18);
- rt_sprintf(mqtt_send_buf,"humi:%d.%02d",(int)humi_f,(int)(humi_f*100)%100);
- ssd1306_WriteString(mqtt_send_buf, Font_11x18, Black);
- ssd1306_UpdateScreen(); //更新显示
- //rt_kprintf(mqtt_send_buf);
- rt_pin_write(LED1_PIN, PIN_HIGH);
- rt_thread_mdelay(500);
- rt_pin_write(LED1_PIN, PIN_LOW);
- rt_thread_mdelay(500);
- }
- }
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