Darien Figueroa / Mbed OS Final_Program

This is the latest working repository used in our demo video for the Maxim to display temperature readings on Bluetooth

Dependencies:   USBDevice

donotenter/LoggingService/ServiceNonInterrupt.cpp@3:36de8b9e4b1a, 2021-04-10 (annotated)

Committer:
darienf
Date:
Sat Apr 10 03:05:42 2021 +0000
Revision:
3:36de8b9e4b1a
Parent:
HSP/LoggingService/ServiceNonInterrupt.cpp@0:832122ce6748 
ayoooo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
darienf 0:832122ce6748 1 /*******************************************************************************
darienf 0:832122ce6748 2 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
darienf 0:832122ce6748 3 *
darienf 0:832122ce6748 4 * Permission is hereby granted, free of charge, to any person obtaining a
darienf 0:832122ce6748 5 * copy of this software and associated documentation files (the "Software"),
darienf 0:832122ce6748 6 * to deal in the Software without restriction, including without limitation
darienf 0:832122ce6748 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
darienf 0:832122ce6748 8 * and/or sell copies of the Software, and to permit persons to whom the
darienf 0:832122ce6748 9 * Software is furnished to do so, subject to the following conditions:
darienf 0:832122ce6748 10 *
darienf 0:832122ce6748 11 * The above copyright notice and this permission notice shall be included
darienf 0:832122ce6748 12 * in all copies or substantial portions of the Software.
darienf 0:832122ce6748 13 *
darienf 0:832122ce6748 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
darienf 0:832122ce6748 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
darienf 0:832122ce6748 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
darienf 0:832122ce6748 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
darienf 0:832122ce6748 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
darienf 0:832122ce6748 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
darienf 0:832122ce6748 20 * OTHER DEALINGS IN THE SOFTWARE.
darienf 0:832122ce6748 21 *
darienf 0:832122ce6748 22 * Except as contained in this notice, the name of Maxim Integrated
darienf 0:832122ce6748 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
darienf 0:832122ce6748 24 * Products, Inc. Branding Policy.
darienf 0:832122ce6748 25 *
darienf 0:832122ce6748 26 * The mere transfer of this software does not imply any licenses
darienf 0:832122ce6748 27 * of trade secrets, proprietary technology, copyrights, patents,
darienf 0:832122ce6748 28 * trademarks, maskwork rights, or any other form of intellectual
darienf 0:832122ce6748 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
darienf 0:832122ce6748 30 * ownership rights.
darienf 0:832122ce6748 31 *******************************************************************************
darienf 0:832122ce6748 32 */
darienf 0:832122ce6748 33 #include "ServiceNonInterrupt.h"
darienf 0:832122ce6748 34 #include "Streaming.h"
darienf 0:832122ce6748 35 #include "BMP280.h"
darienf 0:832122ce6748 36 #include "PacketFifo.h"
darienf 0:832122ce6748 37 #include "MAX30205.h"
darienf 0:832122ce6748 38 #include "Stream.h"
darienf 0:832122ce6748 39 #include "BMP280.h"
darienf 0:832122ce6748 40 #include "PacketFifo.h"
darienf 0:832122ce6748 41 #include "Peripherals.h"
darienf 0:832122ce6748 42 #include "Device_Logging.h"
darienf 0:832122ce6748 43
darienf 0:832122ce6748 44 /// timer used for devices that do not have interrupt capability
darienf 0:832122ce6748 45 static Timer nonInterruptTimer;
darienf 0:832122ce6748 46
darienf 0:832122ce6748 47 /// reference to logging object for the BMP280
darienf 0:832122ce6748 48 extern Device_Logging *bmp280_Logging;
darienf 0:832122ce6748 49 /// reference to logging object for the MAX30205 (instance 0)
darienf 0:832122ce6748 50 extern Device_Logging *MAX30205_0_Logging;
darienf 0:832122ce6748 51 /// reference to logging object for the MAX30205 (instance 1)
darienf 0:832122ce6748 52 extern Device_Logging *MAX30205_1_Logging;
darienf 0:832122ce6748 53
darienf 0:832122ce6748 54 /**
darienf 0:832122ce6748 55 * @brief Initialize the book keeping variables for non interrupt devices
darienf 0:832122ce6748 56 */
darienf 0:832122ce6748 57 void ServiceNonInterrupt_Init(void) {
darienf 0:832122ce6748 58 // clear out the next time member in the device logging class
darienf 0:832122ce6748 59 // this is so that the devices are sampled the very first go-around
darienf 0:832122ce6748 60 bmp280_Logging->setNextSampleTime(0);
darienf 0:832122ce6748 61 MAX30205_0_Logging->setNextSampleTime(0);
darienf 0:832122ce6748 62 MAX30205_1_Logging->setNextSampleTime(0);
darienf 0:832122ce6748 63 }
darienf 0:832122ce6748 64
darienf 0:832122ce6748 65 /**
darienf 0:832122ce6748 66 * @brief Stop the 1 second timer
darienf 0:832122ce6748 67 */
darienf 0:832122ce6748 68 void ServiceNonInterrupt_StartTimer(void) {
darienf 0:832122ce6748 69 nonInterruptTimer.start();
darienf 0:832122ce6748 70 nonInterruptTimer.reset();
darienf 0:832122ce6748 71 }
darienf 0:832122ce6748 72
darienf 0:832122ce6748 73 /**
darienf 0:832122ce6748 74 * @brief Stop the 1 second timer
darienf 0:832122ce6748 75 */
darienf 0:832122ce6748 76 void ServiceNonInterrupt_StopTimer(void) { nonInterruptTimer.stop(); }
darienf 0:832122ce6748 77
darienf 0:832122ce6748 78 /**
darienf 0:832122ce6748 79 * @brief Get the current count of the timer
darienf 0:832122ce6748 80 * @return timer count in seconds
darienf 0:832122ce6748 81 */
darienf 0:832122ce6748 82 static int ServiceNonInterrupt_GetTimerCount(void) {
darienf 0:832122ce6748 83 return nonInterruptTimer.read();
darienf 0:832122ce6748 84 }
darienf 0:832122ce6748 85
darienf 0:832122ce6748 86 /**
darienf 0:832122ce6748 87 * @brief Log the BMP280 sensor value if it is time
darienf 0:832122ce6748 88 * @param deviceLogging pointer to object that keeps track of logging for a
darienf 0:832122ce6748 89 * device
darienf 0:832122ce6748 90 */
darienf 0:832122ce6748 91 void ServiceNonInterrupt_BMP280(Device_Logging *deviceLogging) {
darienf 0:832122ce6748 92 int currentTime;
darienf 0:832122ce6748 93 uint32_t bmp280_data[2]; // index 0 - Temp (deg C), index 1 - Press (Pa).
darienf 0:832122ce6748 94 // Divide the result by 10 to get the correct answer.
darienf 0:832122ce6748 95 float temp_C, press_P;
darienf 0:832122ce6748 96 int nextTime;
darienf 0:832122ce6748 97
darienf 0:832122ce6748 98 if (deviceLogging->isLoggingEnabled() == 0)
darienf 0:832122ce6748 99 return;
darienf 0:832122ce6748 100 currentTime = ServiceNonInterrupt_GetTimerCount();
darienf 0:832122ce6748 101 nextTime = deviceLogging->getNextSampleTime();
darienf 0:832122ce6748 102 if ((nextTime == 0) || (currentTime >= nextTime)) {
darienf 0:832122ce6748 103 nextTime = currentTime + deviceLogging->getLoggingSampleRate();
darienf 0:832122ce6748 104 deviceLogging->setNextSampleTime(nextTime);
darienf 0:832122ce6748 105 Peripherals::bmp280()->ReadCompData(
darienf 0:832122ce6748 106 &temp_C, &press_P); // Read the Temp (index 0) and Pressure (index 1)
darienf 0:832122ce6748 107 bmp280_data[0] = (int32_t)(temp_C * 10);
darienf 0:832122ce6748 108 bmp280_data[1] = (int32_t)(press_P * 10);
darienf 0:832122ce6748 109 PacketFifo_InsertPacket(PACKET_BMP280_PRESSURE, &bmp280_data[0],
darienf 0:832122ce6748 110 2); // Read it and insert it into the FIFO
darienf 0:832122ce6748 111 }
darienf 0:832122ce6748 112 }
darienf 0:832122ce6748 113
darienf 0:832122ce6748 114 /**
darienf 0:832122ce6748 115 * @brief Log the BMP280 sensor value if it is time
darienf 0:832122ce6748 116 * @param deviceLogging pointer to object that keeps track of logging for a
darienf 0:832122ce6748 117 * device
darienf 0:832122ce6748 118 * @param device pointer to the device instance (MAX30205 instance 0 or MAX30205
darienf 0:832122ce6748 119 * instance 1)
darienf 0:832122ce6748 120 * @param packetId packet id that is used when building a packet
darienf 0:832122ce6748 121 */
darienf 0:832122ce6748 122 void ServiceNonInterrupt_MAX30205(Device_Logging *deviceLogging,
darienf 0:832122ce6748 123 MAX30205 *device, uint32_t packetId) {
darienf 0:832122ce6748 124 int currentTime;
darienf 0:832122ce6748 125 uint32_t data;
darienf 0:832122ce6748 126 uint16_t tempData;
darienf 0:832122ce6748 127 int nextTime;
darienf 0:832122ce6748 128
darienf 0:832122ce6748 129 if (deviceLogging->isLoggingEnabled() == 0)
darienf 0:832122ce6748 130 return;
darienf 0:832122ce6748 131 currentTime = ServiceNonInterrupt_GetTimerCount();
darienf 0:832122ce6748 132 nextTime = deviceLogging->getNextSampleTime();
darienf 0:832122ce6748 133 if ((nextTime == 0) || (currentTime >= nextTime)) {
darienf 0:832122ce6748 134 nextTime = currentTime + deviceLogging->getLoggingSampleRate();
darienf 0:832122ce6748 135 deviceLogging->setNextSampleTime(nextTime);
darienf 0:832122ce6748 136 device->readTemperature(&tempData);
darienf 0:832122ce6748 137 // assemble this in the correct order
darienf 0:832122ce6748 138 data = (uint32_t)((tempData >> 8) + ((tempData & 0xFF) << 8));
darienf 0:832122ce6748 139 PacketFifo_InsertPacket(packetId, &data,
darienf 0:832122ce6748 140 1); // Read it and insert it into the FIFO
darienf 0:832122ce6748 141 }
darienf 0:832122ce6748 142 }