【LiteOS】09-移植-傳感器

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華爲IOT LiteOS開發實戰營

第三天

一、傳感器

• 溫溼度傳感器：SHT30
• 光照強度傳感器：BH1750
• LED植物燈
• 排風扇電機

二、具體步驟

• 創建工程，選擇hello_world_demo

• 包含擴展板的頭文件

#include <E53_IA1.h>

• 創建傳感器採集任務

static int app_sensor_collect_entry()
{

}

• 調用擴展板驅動程序

void Init_E53_IA1(void);
void E53_IA1_Read_Data(void);

• 打印數據

printf("Lux:%d",(int)E53_IA1_Data.Lux);
printf("Humidity:%d",(int)E53_IA1_Data.Humidity);
printf("Temperature:%d",(int)E53_IA1_Data.Temperature);

• 在user_demo.mk中添加文件路徑

#example for hello world	 
	ifeq ($(CONFIG_USER_DEMO), "hello_world_demo")	
		user_demo_src  = ${wildcard $(TARGET_DIR)/Demos/hello_world_demo/*.c}
		user_demo_inc = -I $(TARGET_DIR)/Demos/hello_world_demo
		user_hardware_src = ${wildcard $(TARGET_DIR)/Hardware/E53_IA1/*.c} 
		user_hardware_inc = -I ${wildcard $(TARGET_DIR)/Hardware/E53_IA1}
		user_demo_defs = -D CONFIG_HELLO_WORLD_ENABLE=1
	endif

• 移植lcd驅動，添加頭文件

#include "lcd.h"

• 調用顯示數據

LCD_ShowString(10, 140, 200, 16, 16, "Temperature:");
LCD_ShowNum(140, 140, (int)E53_IA1_Data.Temperature, 5, 16);
LCD_ShowString(10, 170, 200, 16, 16, "Humidity:");
LCD_ShowNum(140, 170, (int)E53_IA1_Data.Humidity, 5, 16);
LCD_ShowString(10, 200, 200, 16, 16, "Luminance:");
LCD_ShowNum(140, 200, (int)E53_IA1_Data.Lux, 5, 16);

• 在主函數中調用

int standard_app_demo_main()
{
    osal_task_create("helloworld",app_hello_world_entry,NULL,0x400,NULL,2);
    osal_task_create("sensor",app_sensor_entry,NULL,0x400,NULL,2);
    return 0;
}

• 傳感器採集任務

static int app_sensor_entry()
{
    Init_E53_IA1();
    while(1)
    {
        E53_IA1_Read_Data();
        printf("Lux:%d",(int)E53_IA1_Data.Lux);
        printf("Humidity:%d",(int)E53_IA1_Data.Humidity);
        printf("Temperature:%d",(int)E53_IA1_Data.Temperature);
        LCD_ShowString(10, 140, 200, 16, 16, "Temperature:");
		LCD_ShowNum(140, 140, (int)E53_IA1_Data.Temperature, 5, 16);
		LCD_ShowString(10, 170, 200, 16, 16, "Humidity:");
		LCD_ShowNum(140, 170, (int)E53_IA1_Data.Humidity, 5, 16);
		LCD_ShowString(10, 200, 200, 16, 16, "Luminance:");
		LCD_ShowNum(140, 200, (int)E53_IA1_Data.Lux, 5, 16);

        osal_task_sleep(2*1000);
    }
}

• 結果