main.cpp

00001 /*******************************************************************************
00002  * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
00003  *
00004  * Permission is hereby granted, free of charge, to any person obtaining a
00005  * copy of this software and associated documentation files (the "Software"),
00006  * to deal in the Software without restriction, including without limitation
00007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
00008  * and/or sell copies of the Software, and to permit persons to whom the
00009  * Software is furnished to do so, subject to the following conditions:
00010  *
00011  * The above copyright notice and this permission notice shall be included
00012  * in all copies or substantial portions of the Software.
00013  *
00014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00015  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00016  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
00017  * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
00018  * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
00019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
00020  * OTHER DEALINGS IN THE SOFTWARE.
00021  *
00022  * Except as contained in this notice, the name of Maxim Integrated
00023  * Products, Inc. shall not be used except as stated in the Maxim Integrated
00024  * Products, Inc. Branding Policy.
00025  *
00026  * The mere transfer of this software does not imply any licenses
00027  * of trade secrets, proprietary technology, copyrights, patents,
00028  * trademarks, maskwork rights, or any other form of intellectual
00029  * property whatsoever. Maxim Integrated Products, Inc. retains all
00030  * ownership rights.
00031  *******************************************************************************
00032  */
00033 #include "mbed.h"
00034 #include "MAX14720.h"
00035 #include "MAX30101.h"
00036 #include "MAX30205.h"
00037 #include "LIS2DH.h"
00038 #include "USBSerial.h"
00039 #include "RpcServer.h"
00040 #include "StringInOut.h"
00041 #include "Peripherals.h"
00042 #include "BMP280.h"
00043 #include "MAX30001.h"
00044 #include "DataLoggingService.h"
00045 #include "MAX30101_helper.h"
00046 #include "S25FS512.h"
00047 #include "QuadSpiInterface.h"
00048 #include "PushButton.h"
00049 #include "BLE.h"
00050 #include "HspBLE.h"
00051 #include "USBSerial.h"
00052 #include "Streaming.h"
00053 
00054 /// define the HVOUT Boost Voltage default for the MAX14720 PMIC
00055 #define HVOUT_VOLTAGE 4500 // set to 4500 mV
00056 
00057 /// define all I2C addresses
00058 #define MAX30205_I2C_SLAVE_ADDR_TOP (0x92)
00059 #define MAX30205_I2C_SLAVE_ADDR_BOTTOM (0x90)
00060 #define MAX14720_I2C_SLAVE_ADDR (0x54)
00061 #define BMP280_I2C_SLAVE_ADDR (0xEC)
00062 #define MAX30101_I2C_SLAVE_ADDR (0xAE)
00063 #define LIS2DH_I2C_SLAVE_ADDR (0x32)
00064 
00065 ///
00066 /// wire Interfaces
00067 ///
00068 /// Define with Maxim VID and a Maxim assigned PID, set to version 0x0001 and non-blocking
00069 USBSerial usbSerial(0x0b6a, 0x0100, 0x0001, false);
00070 /// I2C Master 1
00071 I2C i2c1(I2C1_SDA, I2C1_SCL); // used by MAX30205 (1), MAX30205 (2), BMP280
00072 /// I2C Master 2
00073 I2C i2c2(I2C2_SDA, I2C2_SCL); // used by MAX14720, MAX30101, LIS2DH
00074 /// SPI Master 0 with SPI0_SS for use with MAX30001
00075 SPI spi(SPI0_MOSI, SPI0_MISO, SPI0_SCK, SPI0_SS); // used by MAX30001
00076 /// SPI Master 1
00077 QuadSpiInterface quadSpiInterface(SPI1_MOSI, SPI1_MISO, SPI1_SCK,
00078                                   SPI1_SS); // used by S25FS512
00079 
00080 ///
00081 /// Devices
00082 ///
00083 /// Pressure Sensor
00084 BMP280 bmp280(&i2c1, BMP280_I2C_SLAVE_ADDR);
00085 /// Top Local Temperature Sensor
00086 MAX30205 MAX30205_top(&i2c1, MAX30205_I2C_SLAVE_ADDR_TOP);
00087 /// Bottom Local Temperature Sensor
00088 MAX30205 MAX30205_bottom(&i2c1, MAX30205_I2C_SLAVE_ADDR_BOTTOM);
00089 /// Accelerometer
00090 LIS2DH lis2dh(&i2c2, LIS2DH_I2C_SLAVE_ADDR);
00091 InterruptIn lis2dh_Interrupt(P4_7);
00092 /// PMIC
00093 MAX14720 max14720(&i2c2, MAX14720_I2C_SLAVE_ADDR);
00094 /// Optical Oximeter
00095 MAX30101 max30101(&i2c2, MAX30101_I2C_SLAVE_ADDR);
00096 InterruptIn max30101_Interrupt(P4_0);
00097 /// External Flash
00098 S25FS512 s25fs512(&quadSpiInterface);
00099 /// ECG device
00100 MAX30001 max30001(&spi);
00101 InterruptIn max30001_InterruptB(P3_6);
00102 InterruptIn max30001_Interrupt2B(P4_5);
00103 /// PWM used as fclk for the MAX30001
00104 PwmOut pwmout(P1_7);
00105 /// HSP platform LED
00106 HspLed hspLed(LED_RED);
00107 /// Packet TimeStamp Timer, set for 1uS
00108 Timer timestampTimer;
00109 /// HSP Platform push button
00110 PushButton pushButton(SW1);
00111 
00112 /// BLE instance
00113 static BLE ble;
00114 
00115 /// HSP BluetoothLE specific functions
00116 HspBLE hspBLE(&ble);
00117 USBSerial *usbSerialPtr;
00118 
00119 int main() {
00120   // hold results for returning funtcoins
00121   int result;
00122   // local input state of the RPC
00123   int inputState;
00124   // RPC request buffer
00125   char request[128];
00126   // RPC reply buffer
00127   char reply[128];
00128 
00129   // display start banner
00130   printf("Maxim Integrated mbed hSensor 3.0.0 10/14/16\n");
00131   fflush(stdout);
00132 
00133   // initialize HVOUT on the MAX14720 PMIC
00134   printf("Init MAX14720...\n");
00135   fflush(stdout);
00136   result = max14720.init();
00137   if (result == MAX14720_ERROR)
00138     printf("Error initializing MAX14720");
00139   max14720.boostEn = MAX14720::BOOST_ENABLED;
00140   max14720.boostSetVoltage(HVOUT_VOLTAGE);
00141 
00142   // turn on red led
00143   printf("Init HSPLED...\n");
00144   fflush(stdout);
00145   hspLed.on();
00146 
00147   // set NVIC priorities for GPIO to prevent priority inversion
00148   printf("Init NVIC Priorities...\n");
00149   fflush(stdout);
00150   NVIC_SetPriority(GPIO_P0_IRQn, 5);
00151   NVIC_SetPriority(GPIO_P1_IRQn, 5);
00152   NVIC_SetPriority(GPIO_P2_IRQn, 5);
00153   NVIC_SetPriority(GPIO_P3_IRQn, 5);
00154   NVIC_SetPriority(GPIO_P4_IRQn, 5);
00155   NVIC_SetPriority(GPIO_P5_IRQn, 5);
00156   NVIC_SetPriority(GPIO_P6_IRQn, 5);
00157   // used by the MAX30001
00158   NVIC_SetPriority(SPI1_IRQn, 0);
00159 
00160   // Be able to statically reference these devices anywhere in the application
00161   Peripherals::setS25FS512(&s25fs512);
00162   Peripherals::setMAX30205_top(&MAX30205_top);
00163   Peripherals::setMAX30205_bottom(&MAX30205_bottom);
00164   Peripherals::setBMP280(&bmp280);
00165   Peripherals::setLIS2DH(&lis2dh);
00166   //Peripherals::setUSBSerial(&usbSerial);
00167   Peripherals::setTimestampTimer(&timestampTimer);
00168   Peripherals::setHspLed(&hspLed);
00169   Peripherals::setMAX30101(&max30101);
00170   Peripherals::setI2c1(&i2c1);
00171   Peripherals::setI2c2(&i2c2);
00172   Peripherals::setPushButton(&pushButton);
00173   Peripherals::setBLE(&ble);
00174   Peripherals::setMAX14720(&max14720);
00175   Peripherals::setMAX30001(&max30001);
00176   Peripherals::setHspBLE(&hspBLE);
00177   usbSerialPtr = &usbSerial;
00178 
00179   // init the S25FS256 external flash device
00180   printf("Init S25FS512...\n");
00181   fflush(stdout);
00182   s25fs512.init();
00183 
00184   // init the BMP280
00185   printf("Init BMP280...\n");
00186   fflush(stdout);
00187   bmp280.init(BMP280::OVERSAMPLING_X2_P, BMP280::OVERSAMPLING_X1_T,
00188               BMP280::FILT_OFF, BMP280::NORMAL_MODE, BMP280::T_62_5);
00189 
00190   // Initialize BLE base layer
00191   printf("Init HSPBLE...\n");
00192   fflush(stdout);
00193   hspBLE.init();
00194 
00195   // start blinking led1
00196   printf("Init HSPLED Blink...\n");
00197   fflush(stdout);
00198   hspLed.blink(1000);
00199 
00200   // MAX30101 initialize interrupt
00201   printf("Init MAX30101 callbacks, interrupt...\n");
00202   fflush(stdout);
00203   max30101.onInterrupt(&MAX30101_OnInterrupt);
00204   max30101.onDataAvailable(&StreamPacketUint32);
00205   max30101_Interrupt.fall(&MAX30101::MidIntHandler);
00206 
00207   //
00208   // MAX30001
00209   //
00210   printf("Init MAX30001 callbacks, interrupts...\n");
00211   fflush(stdout);
00212   max30001_InterruptB.disable_irq();
00213   max30001_Interrupt2B.disable_irq();
00214   max30001_InterruptB.mode(PullUp);
00215   max30001_InterruptB.fall(&MAX30001::Mid_IntB_Handler);
00216   max30001_Interrupt2B.mode(PullUp);
00217   max30001_Interrupt2B.fall(&MAX30001::Mid_Int2B_Handler);
00218   max30001_InterruptB.enable_irq();
00219   max30001_Interrupt2B.enable_irq();
00220   max30001.AllowInterrupts(1);
00221   // Configuring the FCLK for the ECG, set to 32.768KHZ
00222   printf("Init MAX30001 PWM...\n");
00223   fflush(stdout);
00224   //pwmout.period_us(31);      
00225   //pwmout.write(0.5);          // 0-1 is 0-100%, 0.5 = 50% duty cycle.
00226   max30001.FCLK_MaximOnly();    // mbed does not provide the resolution necessary, so for now we have a specific solution...
00227   max30001.sw_rst(); // Do a software reset of the MAX30001
00228   max30001.INT_assignment(MAX30001::MAX30001_INT_B,    MAX30001::MAX30001_NO_INT,   MAX30001::MAX30001_NO_INT,  //  en_enint_loc,      en_eovf_loc,   en_fstint_loc,
00229                                      MAX30001::MAX30001_INT_2B,   MAX30001::MAX30001_INT_2B,   MAX30001::MAX30001_NO_INT,  //  en_dcloffint_loc,  en_bint_loc,   en_bovf_loc,
00230                                      MAX30001::MAX30001_INT_2B,   MAX30001::MAX30001_INT_2B,   MAX30001::MAX30001_NO_INT,  //  en_bover_loc,      en_bundr_loc,  en_bcgmon_loc,
00231                                      MAX30001::MAX30001_INT_B,    MAX30001::MAX30001_NO_INT,   MAX30001::MAX30001_NO_INT,  //  en_pint_loc,       en_povf_loc,   en_pedge_loc,
00232                                      MAX30001::MAX30001_INT_2B,   MAX30001::MAX30001_INT_B,    MAX30001::MAX30001_NO_INT,  //  en_lonint_loc,     en_rrint_loc,  en_samp_loc,
00233                                      MAX30001::MAX30001_INT_ODNR, MAX30001::MAX30001_INT_ODNR);                            //  intb_Type,         int2b_Type)
00234   max30001.onDataAvailable(&StreamPacketUint32);
00235 
00236   // initialize the LIS2DH accelerometer and interrupts
00237   printf("Init LIS2DH interrupt...\n");
00238   fflush(stdout);
00239   lis2dh.init();
00240   lis2dh_Interrupt.fall(&LIS2DHIntHandler);
00241   lis2dh_Interrupt.mode(PullUp);
00242   // initialize the RPC server
00243   printf("Init RPC Server...\n");
00244   fflush(stdout);
00245   RPC_init();
00246   // initialize the logging service
00247   printf("Init LoggingService...\n");
00248   fflush(stdout);
00249   LoggingService_Init();
00250 
00251   // start main loop
00252   printf("Start main loop...\n");
00253   fflush(stdout);
00254   while (1) {
00255     // get a RPC string if one is available
00256     inputState = getLine(request, sizeof(request));
00257     // if a string has been captured, process string
00258     if (inputState == GETLINE_DONE) {
00259       // process the RPC string
00260       RPC_call(request, reply);
00261       // output the reply
00262       putStr(reply);
00263     }
00264     // process any logging or streaming requests
00265     LoggingService_ServiceRoutine();
00266     // determine if we are doing a large USB transfer of flash datalog sensor data 
00267     //   skip updating the ble and sleeping, this conditional branch increases download
00268     //   rates by about %450 (time to download 32M flash from 90 minutes to about 20 minutes)
00269     if (RPC_IsTransferingFlashPages() == false) { 
00270       // allow for ble processing
00271       ble.waitForEvent();
00272     }
00273   }
00274 }