repo time
Dependencies: mbed MAX14720 MAX30205 USBDevice
Diff: e4a10ed6eb92/HSP/LoggingService/ServiceNonInterrupt.cpp
- Revision:
- 20:6d2af70c92ab
diff -r 002c398f14cc -r 6d2af70c92ab e4a10ed6eb92/HSP/LoggingService/ServiceNonInterrupt.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/e4a10ed6eb92/HSP/LoggingService/ServiceNonInterrupt.cpp Tue Apr 06 06:41:40 2021 +0000 @@ -0,0 +1,142 @@ +/******************************************************************************* + * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES + * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of Maxim Integrated + * Products, Inc. shall not be used except as stated in the Maxim Integrated + * Products, Inc. Branding Policy. + * + * The mere transfer of this software does not imply any licenses + * of trade secrets, proprietary technology, copyrights, patents, + * trademarks, maskwork rights, or any other form of intellectual + * property whatsoever. Maxim Integrated Products, Inc. retains all + * ownership rights. + ******************************************************************************* + */ +#include "ServiceNonInterrupt.h" +#include "Streaming.h" +#include "BMP280.h" +#include "PacketFifo.h" +#include "MAX30205.h" +#include "Stream.h" +#include "BMP280.h" +#include "PacketFifo.h" +#include "Peripherals.h" +#include "Device_Logging.h" + +/// timer used for devices that do not have interrupt capability +static Timer nonInterruptTimer; + +/// reference to logging object for the BMP280 +extern Device_Logging *bmp280_Logging; +/// reference to logging object for the MAX30205 (instance 0) +extern Device_Logging *MAX30205_0_Logging; +/// reference to logging object for the MAX30205 (instance 1) +extern Device_Logging *MAX30205_1_Logging; + +/** +* @brief Initialize the book keeping variables for non interrupt devices +*/ +void ServiceNonInterrupt_Init(void) { + // clear out the next time member in the device logging class + // this is so that the devices are sampled the very first go-around + bmp280_Logging->setNextSampleTime(0); + MAX30205_0_Logging->setNextSampleTime(0); + MAX30205_1_Logging->setNextSampleTime(0); +} + +/** +* @brief Stop the 1 second timer +*/ +void ServiceNonInterrupt_StartTimer(void) { + nonInterruptTimer.start(); + nonInterruptTimer.reset(); +} + +/** +* @brief Stop the 1 second timer +*/ +void ServiceNonInterrupt_StopTimer(void) { nonInterruptTimer.stop(); } + +/** +* @brief Get the current count of the timer +* @return timer count in seconds +*/ +static int ServiceNonInterrupt_GetTimerCount(void) { + return nonInterruptTimer.read(); +} + +/** +* @brief Log the BMP280 sensor value if it is time +* @param deviceLogging pointer to object that keeps track of logging for a +* device +*/ +void ServiceNonInterrupt_BMP280(Device_Logging *deviceLogging) { + int currentTime; + uint32_t bmp280_data[2]; // index 0 - Temp (deg C), index 1 - Press (Pa). + // Divide the result by 10 to get the correct answer. + float temp_C, press_P; + int nextTime; + + if (deviceLogging->isLoggingEnabled() == 0) + return; + currentTime = ServiceNonInterrupt_GetTimerCount(); + nextTime = deviceLogging->getNextSampleTime(); + if ((nextTime == 0) || (currentTime >= nextTime)) { + nextTime = currentTime + deviceLogging->getLoggingSampleRate(); + deviceLogging->setNextSampleTime(nextTime); + Peripherals::bmp280()->ReadCompData( + &temp_C, &press_P); // Read the Temp (index 0) and Pressure (index 1) + bmp280_data[0] = (int32_t)(temp_C * 10); + bmp280_data[1] = (int32_t)(press_P * 10); + PacketFifo_InsertPacket(PACKET_BMP280_PRESSURE, &bmp280_data[0], + 2); // Read it and insert it into the FIFO + } +} + +/** +* @brief Log the BMP280 sensor value if it is time +* @param deviceLogging pointer to object that keeps track of logging for a +* device +* @param device pointer to the device instance (MAX30205 instance 0 or MAX30205 +* instance 1) +* @param packetId packet id that is used when building a packet +*/ +void ServiceNonInterrupt_MAX30205(Device_Logging *deviceLogging, + MAX30205 *device, uint32_t packetId) { + int currentTime; + uint32_t data; + uint16_t tempData; + int nextTime; + + if (deviceLogging->isLoggingEnabled() == 0) + return; + currentTime = ServiceNonInterrupt_GetTimerCount(); + nextTime = deviceLogging->getNextSampleTime(); + if ((nextTime == 0) || (currentTime >= nextTime)) { + nextTime = currentTime + deviceLogging->getLoggingSampleRate(); + deviceLogging->setNextSampleTime(nextTime); + device->readTemperature(&tempData); + // assemble this in the correct order + data = (uint32_t)((tempData >> 8) + ((tempData & 0xFF) << 8)); + PacketFifo_InsertPacket(packetId, &data, + 1); // Read it and insert it into the FIFO + } +}