dogukan barkan / Mbed 2 deprecated HSP_ECG_LeadOFF_Detection

MAX32620HSP ECG with lead off detection

Dependencies:   mbed HSP_ECG MAX14720 USBDevice

main.cpp@1:8b09f627a713, 2019-03-29 (annotated)

Committer:
douqan93
Date:
Fri Mar 29 09:20:05 2019 +0000
Revision:
1:8b09f627a713
Parent:
0:9ead5978d784 
MAX32620HSP ECG with Lead off detection

Who changed what in which revision?

UserRevisionLine numberNew contents of line
douqan93 0:9ead5978d784 1 #include "mbed.h"
douqan93 0:9ead5978d784 2 #include "MAX14720.h"
douqan93 0:9ead5978d784 3 #include "MAX30001.h"
douqan93 0:9ead5978d784 4 #include "MAX30101.h"
douqan93 0:9ead5978d784 5 #include "System.h"
douqan93 0:9ead5978d784 6 #include "USBSerial.h"
douqan93 1:8b09f627a713 7
douqan93 0:9ead5978d784 8 /************************************************************************************************************************************/
douqan93 0:9ead5978d784 9 /// define the HVOUT Boost Voltage default for the MAX14720 PMIC
douqan93 0:9ead5978d784 10 #define HVOUT_VOLTAGE 4500 // set to 4500 mV
douqan93 0:9ead5978d784 11
douqan93 0:9ead5978d784 12 /// define all I2C addresses
douqan93 0:9ead5978d784 13 #define MAX14720_I2C_SLAVE_ADDR (0x54)
douqan93 0:9ead5978d784 14 #define MAX30101_I2C_SLAVE_ADDR (0xAE)
douqan93 0:9ead5978d784 15
douqan93 0:9ead5978d784 16 // Settings for ECG Initialization
douqan93 0:9ead5978d784 17 #define En_ecg 0x01
douqan93 0:9ead5978d784 18 #define Openp 0x00
douqan93 0:9ead5978d784 19 #define Openn 0x00
douqan93 0:9ead5978d784 20 #define Pol 0x00
douqan93 0:9ead5978d784 21 #define Calp_sel 0x00
douqan93 0:9ead5978d784 22 #define Caln_sel 0x00
douqan93 0:9ead5978d784 23 #define E_fit 0x0F
douqan93 0:9ead5978d784 24 #define Rate 0x02
douqan93 0:9ead5978d784 25 #define Gain 0x00
douqan93 0:9ead5978d784 26 #define Dhpf 0x01
douqan93 0:9ead5978d784 27 #define Dlpf 0x01
douqan93 0:9ead5978d784 28
douqan93 0:9ead5978d784 29 // Settings for ECG RtoR
douqan93 0:9ead5978d784 30 #define En_rtor 0x01
douqan93 0:9ead5978d784 31 #define Wndw 0x03
douqan93 0:9ead5978d784 32 #define Gain1 0x0f
douqan93 0:9ead5978d784 33 #define Pavg 0x02
douqan93 0:9ead5978d784 34 #define Ptsf 0x03
douqan93 0:9ead5978d784 35 #define Hoff 0x20
douqan93 0:9ead5978d784 36 #define Ravg 0x02
douqan93 0:9ead5978d784 37 #define Rhsf 0x04
douqan93 0:9ead5978d784 38 #define Clr_rrint 0x01
douqan93 0:9ead5978d784 39
douqan93 0:9ead5978d784 40 // Settings for Lead Detection
douqan93 0:9ead5978d784 41 #define En_dcloff 0x01
douqan93 0:9ead5978d784 42 #define Ipol 0x00
douqan93 1:8b09f627a713 43 #define Imag 0x01
douqan93 0:9ead5978d784 44 #define Vth 0x00
douqan93 0:9ead5978d784 45
douqan93 0:9ead5978d784 46 // Settings for the HR initialization
douqan93 0:9ead5978d784 47 #define FIFO_WATERLEVEL_MARK 15
douqan93 0:9ead5978d784 48 #define SAMPLE_AVG 2
douqan93 0:9ead5978d784 49 #define SAMPLE_RATE 1
douqan93 0:9ead5978d784 50 #define PULSE_WIDTH 2
douqan93 0:9ead5978d784 51 #define RED_LED_CURRENT 0x1F
douqan93 0:9ead5978d784 52 #define IR_LED_CURRENT 0X1F
douqan93 0:9ead5978d784 53
douqan93 0:9ead5978d784 54 /// Define with Maxim VID and a Maxim assigned PID, set to version 0x0001 and non-blocking
douqan93 0:9ead5978d784 55 USBSerial usbSerial(0x0b6a, 0x0100, 0x0001, false);
douqan93 0:9ead5978d784 56
douqan93 0:9ead5978d784 57 // I2C Master 2
douqan93 0:9ead5978d784 58 I2C i2c2(I2C2_SDA, I2C2_SCL); // used by MAX14720, MAX30101, LIS2DH
douqan93 0:9ead5978d784 59
douqan93 0:9ead5978d784 60 // SPI Master 0 with SPI0_SS for use with MAX30001
douqan93 0:9ead5978d784 61 SPI spi(SPI0_MOSI, SPI0_MISO, SPI0_SCK, SPI0_SS); // used by MAX30001
douqan93 0:9ead5978d784 62
douqan93 0:9ead5978d784 63 // PMIC
douqan93 0:9ead5978d784 64 MAX14720 max14720(&i2c2, MAX14720_I2C_SLAVE_ADDR);
douqan93 0:9ead5978d784 65
douqan93 0:9ead5978d784 66 // Optical Oximeter
douqan93 0:9ead5978d784 67 //MAX30101 max30101(&i2c2, MAX30101_I2C_SLAVE_ADDR);
douqan93 0:9ead5978d784 68 //InterruptIn max30101_Interrupt(P4_0);
douqan93 0:9ead5978d784 69
douqan93 0:9ead5978d784 70 // ECG device
douqan93 0:9ead5978d784 71 MAX30001 max30001(&spi);
douqan93 0:9ead5978d784 72 InterruptIn max30001_InterruptB(P3_6);
douqan93 0:9ead5978d784 73 InterruptIn max30001_Interrupt2B(P4_5);
douqan93 0:9ead5978d784 74
douqan93 0:9ead5978d784 75 /// PWM used as fclk for the MAX30001
douqan93 0:9ead5978d784 76 PwmOut pwmout(P1_7);
douqan93 0:9ead5978d784 77
douqan93 0:9ead5978d784 78 // Data of sensors
douqan93 1:8b09f627a713 79 int32_t ECG_Raw, RtoR_data;
douqan93 1:8b09f627a713 80 uint32_t index = 0;
douqan93 1:8b09f627a713 81
douqan93 0:9ead5978d784 82 //int32_t SpO_Raw;
douqan93 0:9ead5978d784 83 DigitalOut led(LED1);
douqan93 0:9ead5978d784 84
douqan93 0:9ead5978d784 85 //@brief Creates a packet that will be streamed via USB Serial
douqan93 0:9ead5978d784 86 //@brief the packet created will be inserted into a fifo to be streamed at a later time
douqan93 0:9ead5978d784 87 //@param id Streaming ID
douqan93 0:9ead5978d784 88 //@param buffer Pointer to a uint32 array that contains the data to include in the packet
douqan93 0:9ead5978d784 89 //@param number Number of elements in the buffer
douqan93 0:9ead5978d784 90 //
douqan93 0:9ead5978d784 91 void StreamPacketUint32_ex(uint32_t id, uint32_t *buffer, uint32_t number) {
douqan93 0:9ead5978d784 92 if(id == MAX30001_DATA_ECG)
douqan93 0:9ead5978d784 93 {
douqan93 1:8b09f627a713 94 for (int k = 0; k < number; k++)
douqan93 0:9ead5978d784 95 {
douqan93 0:9ead5978d784 96 ECG_Raw = (int32_t)(buffer[k] << 8);
douqan93 0:9ead5978d784 97 ECG_Raw = ECG_Raw >> 14;
douqan93 0:9ead5978d784 98 usbSerial.printf("%d|" , index);
douqan93 0:9ead5978d784 99 usbSerial.printf("%d\r\n", ECG_Raw);
douqan93 0:9ead5978d784 100 index++;
douqan93 0:9ead5978d784 101 }
douqan93 1:8b09f627a713 102 }
douqan93 1:8b09f627a713 103 /*if(id == MAX30001_DATA_RTOR)
douqan93 0:9ead5978d784 104 {
douqan93 1:8b09f627a713 105 for(int i = 0; i < number; i++)
douqan93 1:8b09f627a713 106 {
douqan93 1:8b09f627a713 107 RtoR_data = (buffer[i]);
douqan93 1:8b09f627a713 108 //usbSerial.printf("HR: %d\r\n", (60000/(RtoR_data << 3)));
douqan93 1:8b09f627a713 109 }
douqan93 1:8b09f627a713 110 }*/
douqan93 1:8b09f627a713 111 if(id == MAX30001_DATA_LEADOFF_DC)
douqan93 1:8b09f627a713 112 {
douqan93 1:8b09f627a713 113 usbSerial.printf("LOFF\r\n");
douqan93 1:8b09f627a713 114 }
douqan93 1:8b09f627a713 115 }
douqan93 0:9ead5978d784 116 int main() {
douqan93 0:9ead5978d784 117 // hold results for returning functions
douqan93 0:9ead5978d784 118 int result;
douqan93 0:9ead5978d784 119
douqan93 0:9ead5978d784 120 // initialize HVOUT on the MAX14720 PMIC
douqan93 0:9ead5978d784 121 result = max14720.init();
douqan93 0:9ead5978d784 122 if (result == MAX14720_ERROR){
douqan93 0:9ead5978d784 123 printf("Error initializing MAX14720");
douqan93 0:9ead5978d784 124 }
douqan93 0:9ead5978d784 125 max14720.boostEn = MAX14720::BOOST_ENABLED;
douqan93 0:9ead5978d784 126 max14720.boostSetVoltage(HVOUT_VOLTAGE);
douqan93 0:9ead5978d784 127
douqan93 0:9ead5978d784 128 // Interrupt priority
douqan93 0:9ead5978d784 129 NVIC_SetPriority(GPIO_P0_IRQn, 5);
douqan93 0:9ead5978d784 130 NVIC_SetPriority(GPIO_P1_IRQn, 5);
douqan93 0:9ead5978d784 131 NVIC_SetPriority(GPIO_P2_IRQn, 5);
douqan93 0:9ead5978d784 132 NVIC_SetPriority(GPIO_P3_IRQn, 5);
douqan93 0:9ead5978d784 133 NVIC_SetPriority(GPIO_P4_IRQn, 5);
douqan93 0:9ead5978d784 134 NVIC_SetPriority(GPIO_P5_IRQn, 5);
douqan93 0:9ead5978d784 135 NVIC_SetPriority(GPIO_P6_IRQn, 5);
douqan93 0:9ead5978d784 136 // used by the MAX30001
douqan93 0:9ead5978d784 137 NVIC_SetPriority(SPI1_IRQn, 0);
douqan93 0:9ead5978d784 138
douqan93 0:9ead5978d784 139 /* ECG Initialize */
douqan93 0:9ead5978d784 140 max30001_InterruptB.disable_irq();
douqan93 0:9ead5978d784 141 max30001_Interrupt2B.disable_irq();
douqan93 0:9ead5978d784 142 max30001_InterruptB.mode(PullUp);
douqan93 0:9ead5978d784 143 max30001_InterruptB.fall(&MAX30001Mid_IntB_Handler);
douqan93 0:9ead5978d784 144 max30001_Interrupt2B.mode(PullUp);
douqan93 0:9ead5978d784 145 max30001_Interrupt2B.fall(&MAX30001Mid_Int2B_Handler);
douqan93 0:9ead5978d784 146 max30001_InterruptB.enable_irq();
douqan93 0:9ead5978d784 147 max30001_Interrupt2B.enable_irq();
douqan93 0:9ead5978d784 148 MAX30001_AllowInterrupts(1);
douqan93 0:9ead5978d784 149 // Configuring the FCLK for the ECG, set to 32.768KHZ
douqan93 0:9ead5978d784 150 pwmout.period_us(31);
douqan93 0:9ead5978d784 151 pwmout.write(0.5); // 0-1 is 0-100%, 0.5 = 50% duty cycle.
douqan93 0:9ead5978d784 152 max30001.max30001_sw_rst(); // Do a software reset of the MAX30001
douqan93 0:9ead5978d784 153 max30001.max30001_INT_assignment(
douqan93 0:9ead5978d784 154 MAX30001::MAX30001_INT_B, // en_enint_loc
douqan93 0:9ead5978d784 155 MAX30001::MAX30001_NO_INT, // en_eovf_loc
douqan93 0:9ead5978d784 156 MAX30001::MAX30001_NO_INT, // en_fstint_loc
douqan93 0:9ead5978d784 157
douqan93 0:9ead5978d784 158 MAX30001::MAX30001_INT_2B, // en_dcloffint_loc
douqan93 0:9ead5978d784 159 MAX30001::MAX30001_INT_B, // en_bint_loc
douqan93 0:9ead5978d784 160 MAX30001::MAX30001_NO_INT, // en_bovf_loc
douqan93 0:9ead5978d784 161
douqan93 0:9ead5978d784 162 MAX30001::MAX30001_INT_2B, // en_bover_loc
douqan93 0:9ead5978d784 163 MAX30001::MAX30001_INT_2B, // en_bundr_loc
douqan93 0:9ead5978d784 164 MAX30001::MAX30001_NO_INT, // en_bcgmon_loc
douqan93 0:9ead5978d784 165
douqan93 0:9ead5978d784 166 MAX30001::MAX30001_INT_B, // en_pint_loc
douqan93 0:9ead5978d784 167 MAX30001::MAX30001_NO_INT, // en_povf_loc,
douqan93 0:9ead5978d784 168 MAX30001::MAX30001_NO_INT, // en_pedge_loc
douqan93 0:9ead5978d784 169
douqan93 0:9ead5978d784 170 MAX30001::MAX30001_INT_2B, // en_lonint_loc
douqan93 0:9ead5978d784 171 MAX30001::MAX30001_INT_B, // en_rrint_loc
douqan93 0:9ead5978d784 172 MAX30001::MAX30001_NO_INT, // en_samp_loc
douqan93 0:9ead5978d784 173
douqan93 0:9ead5978d784 174 MAX30001::MAX30001_INT_ODNR, // intb_Type
douqan93 0:9ead5978d784 175 MAX30001::MAX30001_INT_ODNR); // int2b_Type
douqan93 0:9ead5978d784 176
douqan93 0:9ead5978d784 177 // MAX30001 initialize interrupt
douqan93 0:9ead5978d784 178 max30001.max30001_ECG_InitStart(En_ecg, Openp, Openn, Pol, Calp_sel, Caln_sel, E_fit, Rate, Gain, Dhpf, Dlpf);
douqan93 1:8b09f627a713 179 //max30001.max30001_RtoR_InitStart(En_rtor, Wndw, Gain1, Pavg, Ptsf, Hoff, Ravg, Rhsf, Clr_rrint);
douqan93 1:8b09f627a713 180 max30001.max30001_Enable_DcLeadOFF_Init(En_dcloff, Ipol, Imag, Vth);
douqan93 0:9ead5978d784 181 //max30001.max30001_FIFO_LeadONOff_Read();
douqan93 0:9ead5978d784 182 max30001.max30001_synch();
douqan93 0:9ead5978d784 183 max30001.onDataAvailable(&StreamPacketUint32_ex);
douqan93 0:9ead5978d784 184 int a;
douqan93 0:9ead5978d784 185 while (1)
douqan93 0:9ead5978d784 186 {
douqan93 1:8b09f627a713 187
douqan93 0:9ead5978d784 188 a = usbSerial._getc();
douqan93 0:9ead5978d784 189 if (a == 65)
douqan93 0:9ead5978d784 190 {
douqan93 0:9ead5978d784 191 max30001.max30001_Stop_ECG();
douqan93 1:8b09f627a713 192 max30001.max30001_Disable_DcLeadOFF();
douqan93 0:9ead5978d784 193 index = 0;
douqan93 0:9ead5978d784 194 }
douqan93 0:9ead5978d784 195 if (a == 97)
douqan93 0:9ead5978d784 196 {
douqan93 0:9ead5978d784 197 //max30001.max30001_sw_rst();
douqan93 0:9ead5978d784 198 max30001.max30001_ECG_InitStart(En_ecg, Openp, Openn, Pol, Calp_sel, Caln_sel, E_fit, Rate, Gain, Dhpf, Dlpf);
douqan93 1:8b09f627a713 199 max30001.max30001_Enable_DcLeadOFF_Init(En_dcloff, Ipol, Imag, Vth);
douqan93 0:9ead5978d784 200 //max30001.max30001_synch();
douqan93 0:9ead5978d784 201 //max30001.onDataAvailable(&StreamPacketUint32_ex);
douqan93 0:9ead5978d784 202 }
douqan93 0:9ead5978d784 203 }
douqan93 0:9ead5978d784 204 }
douqan93 0:9ead5978d784 205