xiao sun / TMP_nrf51

API for temperature sensor in nrf51822

Dependents:   BLE_TemperatureAdvertising BLE_TemperatureObserver TEMP_YM2

TMP_nrf51.cpp@2:189632d43a8f, 2015-07-20 (annotated)

Committer:
sunsmile2015
Date:
Mon Jul 20 07:56:01 2015 +0000
Revision:
2:189632d43a8f
Parent:
1:27efbf620fc5 
add space

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sunsmile2015 0:4a8259030297 1
sunsmile2015 0:4a8259030297 2 /* mbed Microcontroller Library
sunsmile2015 0:4a8259030297 3 * Copyright (c) 2006-2015 ARM Limited
sunsmile2015 0:4a8259030297 4 *
sunsmile2015 0:4a8259030297 5 * Licensed under the Apache License, Version 2.0 (the "License");
sunsmile2015 0:4a8259030297 6 * you may not use this file except in compliance with the License.
sunsmile2015 0:4a8259030297 7 * You may obtain a copy of the License at
sunsmile2015 0:4a8259030297 8 *
sunsmile2015 0:4a8259030297 9 * http://www.apache.org/licenses/LICENSE-2.0
sunsmile2015 0:4a8259030297 10 *
sunsmile2015 0:4a8259030297 11 * Unless required by applicable law or agreed to in writing, software
sunsmile2015 0:4a8259030297 12 * distributed under the License is distributed on an "AS IS" BASIS,
sunsmile2015 0:4a8259030297 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sunsmile2015 0:4a8259030297 14 * See the License for the specific language governing permissions and
sunsmile2015 0:4a8259030297 15 * limitations under the License.
sunsmile2015 0:4a8259030297 16 */
sunsmile2015 0:4a8259030297 17
sunsmile2015 0:4a8259030297 18 #include "TMP_nrf51.h"
sunsmile2015 0:4a8259030297 19 #include "nrf_soc.h" // for internal Thermo sensoer
sunsmile2015 0:4a8259030297 20
sunsmile2015 0:4a8259030297 21 /**
sunsmile2015 0:4a8259030297 22 * @brief Get the temperature value.
sunsmile2015 0:4a8259030297 23 *
sunsmile2015 0:4a8259030297 24 * @return Die temperature in °C
sunsmile2015 0:4a8259030297 25 *
sunsmile2015 0:4a8259030297 26 */
sunsmile2015 1:27efbf620fc5 27 TMP_nrf51::tmpSensorValue_t TMP_nrf51::get()
sunsmile2015 0:4a8259030297 28 {
sunsmile2015 0:4a8259030297 29 int32_t p_temp;
sunsmile2015 0:4a8259030297 30
sunsmile2015 0:4a8259030297 31 sd_temp_get(&p_temp);
sunsmile2015 0:4a8259030297 32
sunsmile2015 2:189632d43a8f 33 return (TMP_nrf51::tmpSensorValue_t) ((float)p_temp * 0.25); /* 0.25 is temperature sensor resolution */
sunsmile2015 0:4a8259030297 34 }