【DS18B20 防水温度传感器试用体验】金属探头，果然牛逼

     /* Check if connected device is DS18B20 */

		if (TM_DS18B20_Is(DS_ROM)) {

			/* Everything is done */

			if (TM_DS18B20_AllDone(&OW)) {

				/* Read temperature from device */

				if (TM_DS18B20_Read(&OW, DS_ROM, &temp)) {

					/* Temp read OK, CRC is OK */

					

					/* Start again on all sensors */

					TM_DS18B20_StartAll(&OW);

                    

                    sprintf(tmpbuffer, "temp:%0.1f", temp);

                    

                    printf("tmp=%0.1f\r\n",temp);

                    

                    TM_SSD1306_GotoXY(0, 25);

                    TM_SSD1306_Puts(tmpbuffer, &TM_Font_7x10, SSD1306_COLOR_WHITE);

					

					/* Check temperature */

					if (temp > 30) {

						TM_DISCO_LedOn(LED_GREEN);

					} else {

						TM_DISCO_LedOff(LED_GREEN);

					}

				} else {

					/* CRC failed, hardware problems on data line */

				}