main.cpp

00001 #include "mbed.h"
00002 #include "MAX14720.h"
00003 #include "MAX30102.h"
00004 #include "USBSerial.h"
00005 #include "System.h"
00006 #include "algorithm.h"
00007 
00008 /// define the HVOUT Boost Voltage default for the MAX14720 PMIC
00009 #define HVOUT_VOLTAGE 4500 // set to 4500 mV
00010 
00011 #define MAX14720_I2C_SLAVE_ADDR (0x54)
00012 
00013 #define MAX_BRIGHTNESS 255
00014 #define MAX_SAMPLES_PER_CYCLE 500
00015 
00016 ///SpO2 variables
00017 uint32_t aun_ir_buffer[MAX_SAMPLES_PER_CYCLE]; //IR LED sensor data
00018 uint32_t aun_red_buffer[MAX_SAMPLES_PER_CYCLE];    //Red LED sensor data
00019 uint32_t n_buffer_length; // Data buffer length
00020 int32_t n_spo2; //SPO2 value
00021 int8_t ch_spo2_valid;   //indicator to show if the SP02 calculation is valid
00022 int32_t n_heart_rate;   //heart rate value
00023 int8_t  ch_hr_valid;    //indicator to show if the heart rate calculation is valid
00024 
00025 USBSerial usbSerial(0x0b6a, 0x0122, 0x0001, false);
00026 /// I2C Master 2
00027 I2C i2c2(I2C2_SDA, I2C2_SCL); // used by MAX14720, MAX30101, LIS2DH
00028 MAX14720 max14720(&i2c2, MAX14720_I2C_SLAVE_ADDR);
00029 
00030 DigitalIn INT(P4_0);
00031 DigitalOut led(LED1);
00032 int main()
00033 {
00034     usbSerial.printf("Starting measurement...");
00035     int result;
00036     result = max14720.init();
00037     if (result == MAX14720_ERROR) {
00038         printf("Error initializing MAX14720");
00039     }
00040     max14720.boostEn = MAX14720::BOOST_ENABLED;
00041     max14720.boostSetVoltage(HVOUT_VOLTAGE);
00042     
00043     
00044 
00045     
00046 }