TMP_nrf51.cpp

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2015 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #include "TMP_nrf51.h"
00018 #include "nrf_soc.h" // for internal thermometer sensor
00019 
00020 /**
00021  * @brief Get the temperature value.
00022  *
00023  * @return Die temperature in °C
00024  */
00025 TMP_nrf51::TempSensorValue_t TMP_nrf51::get(void)
00026 {
00027     int32_t p_temp;
00028     sd_temp_get(&p_temp);
00029 
00030     return ((TempSensorValue_t)p_temp * 0.25); /* 0.25 is temperature sensor resolution */
00031 }