コード例 #1
0
int airhumd_get(void *data)
{
	static uint32_t initialized = 0;
	
	if (!initialized) {
		initialized = 1;
	    TM_AM2301_Init();
		}
	
    if (TM_AM2301_Read((TM_AM2301_Data_t *)data) == TM_AM2301_OK) {
        /* Show on LCD */
        printf("Humidity: %2.1f %%\nTemperature: %2.1f C", (float)(((TM_AM2301_Data_t *)data)->Hum / 10), 
			(float)(((TM_AM2301_Data_t *)data)->Temp / 10));
		return 0;
    }

	return -1;
}
コード例 #2
0
ファイル: main.c プロジェクト: Daventorn/stm32f429
int main(void) {
	TM_AM2301_Data_t data;
	char str[50];
	
	/* Initialize system */
	SystemInit();
	
	/* Initialize delay */
	TM_DELAY_Init();
	
	/* Initialize LCD on F429-Discovery board */
	TM_ILI9341_Init();
	TM_ILI9341_Rotate(TM_ILI9341_Orientation_Portrait_2);
	TM_ILI9341_Fill(ILI9341_COLOR_ORANGE);
	TM_ILI9341_Puts(10, 10, "AM2301 (DHT21)\nsensor", &TM_Font_11x18, ILI9341_COLOR_BLACK, ILI9341_COLOR_ORANGE);
	TM_ILI9341_Puts(90, 310, "stm32f4-discovery.com", &TM_Font_7x10, ILI9341_COLOR_BLACK, ILI9341_COLOR_ORANGE);
	
	/* Initialize sensor */
	TM_AM2301_Init();
	
	/* Reset time */
	TM_DELAY_SetTime(0);
	while (1) {
		/* Every 1 second */
		if (TM_DELAY_Time() > 1000000) {
			TM_DELAY_SetTime(0);
			/* Data valid */
			if (TM_AM2301_Read(&data) == TM_AM2301_OK) {
				/* Show on LCD */
				sprintf(str, "Humidity: %2.1f %%\nTemperature: %2.1f C", (float)data.Hum / 10, (float)data.Temp / 10);
				TM_ILI9341_Puts(10, 100, str, &TM_Font_11x18, ILI9341_COLOR_BLACK, ILI9341_COLOR_ORANGE);
			}
		}
		/* Do other stuff constantly */
	}
}