Lucas Lim / Mbed 2 deprecated HSP_Temperature_Barometer_CS3237

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Dependencies:   mbed

main.cpp@21:de62f413b500, 2019-08-25 (annotated)

Committer:
lucaslwl
Date:
Sun Aug 25 08:26:00 2019 +0000
Revision:
21:de62f413b500
Parent:
20:652f0bf256bd 
Temp and Barometer readings in serial Terminal

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dan 0:7dec7e9ac085 1 #include "mbed.h"
switches 14:4c4094890fde 2 #include "MAX14720.h"
lucaslwl 20:652f0bf256bd 3 #include "MAX30205.h"
lucaslwl 20:652f0bf256bd 4 #include "BMP280.h"
lucaslwl 21:de62f413b500 5 #include "USBSerial.h"
lucaslwl 21:de62f413b500 6 //#include "MAX30001.h"
lucaslwl 21:de62f413b500 7 //#include "QuadSpiInterface.h"
lucaslwl 21:de62f413b500 8 //#include "S25FS512.h"
lucaslwl 21:de62f413b500 9 //#include "MAX30101.h"
switches 14:4c4094890fde 10
lucaslwl 20:652f0bf256bd 11 //Define all I2C addresses
lucaslwl 20:652f0bf256bd 12 #define MAX30205_I2C_SLAVE_ADDR_TOP (0x92)
lucaslwl 20:652f0bf256bd 13 #define MAX30205_I2C_SLAVE_ADDR_BOTTOM (0x90)
lucaslwl 20:652f0bf256bd 14 #define MAX14720_I2C_SLAVE_ADDR (0x54)
lucaslwl 20:652f0bf256bd 15 #define BMP280_I2C_SLAVE_ADDR (0xEC)
lucaslwl 21:de62f413b500 16
lucaslwl 20:652f0bf256bd 17
lucaslwl 20:652f0bf256bd 18 #define HVOUT_VOLTAGE 4500 // set to 4500 mV
lucaslwl 20:652f0bf256bd 19
lucaslwl 21:de62f413b500 20 // Define with Maxim VID and a Maxim assigned PID, set to version 0x0001 and non-blocking
lucaslwl 21:de62f413b500 21 USBSerial usbSerial(0x0b6a, 0x0100, 0x0001, false);
lucaslwl 21:de62f413b500 22
lucaslwl 20:652f0bf256bd 23 // I2C Masters
lucaslwl 20:652f0bf256bd 24 I2C i2c1(I2C1_SDA, I2C1_SCL);
switches 14:4c4094890fde 25 I2C i2c2(I2C2_SDA, I2C2_SCL);
dan 0:7dec7e9ac085 26
lucaslwl 20:652f0bf256bd 27 // Top local Temperature Sensor
lucaslwl 20:652f0bf256bd 28 MAX30205 MAX30205_top(&i2c1, MAX30205_I2C_SLAVE_ADDR_TOP);
lucaslwl 20:652f0bf256bd 29
lucaslwl 20:652f0bf256bd 30 // Botttom local Temperature Sensor
lucaslwl 20:652f0bf256bd 31 MAX30205 MAX30205_bottom(&i2c1, MAX30205_I2C_SLAVE_ADDR_BOTTOM);
lucaslwl 20:652f0bf256bd 32
lucaslwl 20:652f0bf256bd 33 // Barometric Pressure Sensor
lucaslwl 20:652f0bf256bd 34 BMP280 bmp280_pres(&i2c1, BMP280_I2C_SLAVE_ADDR);
lucaslwl 20:652f0bf256bd 35
lucaslwl 20:652f0bf256bd 36 //PMIC
lucaslwl 20:652f0bf256bd 37 MAX14720 max14720(&i2c2,MAX14720_I2C_SLAVE_ADDR);
lucaslwl 20:652f0bf256bd 38
lucaslwl 21:de62f413b500 39 ///// External Flash
lucaslwl 21:de62f413b500 40 //S25FS512 s25fs512(&quadSpiInterface);
lucaslwl 20:652f0bf256bd 41
lucaslwl 20:652f0bf256bd 42 /// PWM used as fclk for the MAX30001
lucaslwl 20:652f0bf256bd 43 PwmOut pwmout(P1_7);
lucaslwl 20:652f0bf256bd 44
switches 14:4c4094890fde 45
switches 14:4c4094890fde 46 DigitalOut led(LED1);
lucaslwl 20:652f0bf256bd 47
switches 14:4c4094890fde 48
switches 14:4c4094890fde 49 void turnOff()
switches 14:4c4094890fde 50 {
lucaslwl 20:652f0bf256bd 51 //write the power down command to PMIC
lucaslwl 20:652f0bf256bd 52 max14720.shutdown();
switches 14:4c4094890fde 53 }
switches 14:4c4094890fde 54 int main()
switches 14:4c4094890fde 55 {
lucaslwl 20:652f0bf256bd 56
switches 17:9a467f9a0579 57 // Override the default value of boostEn to BOOST_ENABLED
switches 14:4c4094890fde 58 max14720.boostEn = MAX14720::BOOST_ENABLED;
switches 17:9a467f9a0579 59 // Note that writing the local value does directly affect the part
switches 17:9a467f9a0579 60 // The buck-boost regulator will remain off until init is called
lucaslwl 20:652f0bf256bd 61 max14720.init();
lucaslwl 20:652f0bf256bd 62 // Turn LED signal on to make buck-boost output visible
lucaslwl 20:652f0bf256bd 63 max14720.boostSetVoltage(HVOUT_VOLTAGE);
lucaslwl 20:652f0bf256bd 64 led = 0;
lucaslwl 20:652f0bf256bd 65
lucaslwl 20:652f0bf256bd 66 // Initialise the BMP280
lucaslwl 20:652f0bf256bd 67 bmp280_pres.init(BMP280::OVERSAMPLING_X16_P, BMP280::OVERSAMPLING_X2_T, BMP280::FILT_4, BMP280::NORMAL_MODE, BMP280::T_62_5);
switches 17:9a467f9a0579 68
lucaslwl 20:652f0bf256bd 69 //Temperature sensor variables
lucaslwl 20:652f0bf256bd 70 uint16_t rawTemp_top;
lucaslwl 20:652f0bf256bd 71 uint16_t rawTemp_bottom ;
lucaslwl 20:652f0bf256bd 72 float celsius_top, celsius_bottom;
lucaslwl 20:652f0bf256bd 73 float fahrenheit_top, fahrenheit_bottom;
lucaslwl 20:652f0bf256bd 74
lucaslwl 20:652f0bf256bd 75 //barometric sensor variables
lucaslwl 20:652f0bf256bd 76 char bmp280_rawData = 0;
lucaslwl 20:652f0bf256bd 77 float Temp_degC, Press_Pa, Press_Bar;
lucaslwl 20:652f0bf256bd 78
lucaslwl 20:652f0bf256bd 79
lucaslwl 20:652f0bf256bd 80 //Endless loop
lucaslwl 20:652f0bf256bd 81 while(1)
lucaslwl 20:652f0bf256bd 82 {
lucaslwl 20:652f0bf256bd 83 /* Temperature Sensor Settings */
lucaslwl 20:652f0bf256bd 84
lucaslwl 20:652f0bf256bd 85 //Read Temperature
lucaslwl 20:652f0bf256bd 86 MAX30205_top.readTemperature(&rawTemp_top);
lucaslwl 20:652f0bf256bd 87 MAX30205_bottom.readTemperature(&rawTemp_bottom);
lucaslwl 20:652f0bf256bd 88 // Read BMP280 Temp. and Pressure
lucaslwl 20:652f0bf256bd 89 bmp280_pres.ReadCompDataRaw(&bmp280_rawData);
lucaslwl 20:652f0bf256bd 90 bmp280_pres.ToFloat(&bmp280_rawData, &Temp_degC, &Press_Pa);
lucaslwl 20:652f0bf256bd 91 // Convert to Celsius
lucaslwl 20:652f0bf256bd 92 celsius_top = MAX30205_top.toCelsius(rawTemp_top);
lucaslwl 20:652f0bf256bd 93 celsius_bottom = MAX30205_bottom.toCelsius(rawTemp_bottom);
lucaslwl 20:652f0bf256bd 94
lucaslwl 20:652f0bf256bd 95 // Convert to Fahrenheit
lucaslwl 20:652f0bf256bd 96 fahrenheit_top = MAX30205_top.toFahrenheit(celsius_top);
lucaslwl 20:652f0bf256bd 97 fahrenheit_bottom = MAX30205_bottom.toFahrenheit(celsius_bottom);
lucaslwl 20:652f0bf256bd 98
lucaslwl 20:652f0bf256bd 99 /* Barometric Sensor Settings */
lucaslwl 20:652f0bf256bd 100
lucaslwl 20:652f0bf256bd 101 Press_Bar = Press_Pa / 100000;
switches 17:9a467f9a0579 102
lucaslwl 20:652f0bf256bd 103 /* Printing various sensor values */
lucaslwl 21:de62f413b500 104 usbSerial.printf("***** MAX30205 Temperature Sensor Reading *****\n\r");
lucaslwl 21:de62f413b500 105 usbSerial.printf("Top Temperature: %.2f\370 C\n\rBottom Temperature: %.2f\370 C \n\rTop Temperature in Farenheit: %.2f\370 F\n\rBottom Temperature in Farenheit %.2f\370 F\n\n\r", celsius_top, celsius_bottom, fahrenheit_top, fahrenheit_bottom);
lucaslwl 20:652f0bf256bd 106
lucaslwl 21:de62f413b500 107 usbSerial.printf("***** BMP280 Barometric Sensor Reading *****\n\r");
lucaslwl 21:de62f413b500 108 usbSerial.printf("Temp_degC : %.2f , Press_Bar is %.2f , Press_pa is %.2f\n\n\r",Temp_degC, Press_Bar, Press_Pa);
lucaslwl 20:652f0bf256bd 109
lucaslwl 21:de62f413b500 110 usbSerial.printf("-------------------------------------------------\n\n\n\r");
switches 17:9a467f9a0579 111
lucaslwl 20:652f0bf256bd 112 wait(0.2);
lucaslwl 20:652f0bf256bd 113
lucaslwl 20:652f0bf256bd 114
lucaslwl 20:652f0bf256bd 115
stevep 4:81cea7a352b0 116 }
dan 0:7dec7e9ac085 117 }