Diff: baro_main.cpp

Revision:

4:26530d450402

diff -r 7932917dea9d -r 26530d450402 baro_main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/baro_main.cpp	Sun Sep 15 09:01:44 2019 +0000
@@ -0,0 +1,117 @@
+#include "mbed.h"
+#include "MAX14720.h"
+#include "MAX30205.h"
+#include "BMP280.h"
+#include "USBSerial.h"
+//#include "MAX30001.h"
+//#include "QuadSpiInterface.h"
+//#include "S25FS512.h"
+//#include "MAX30101.h"
+
+//Define all I2C addresses
+#define MAX30205_I2C_SLAVE_ADDR_TOP (0x92)
+#define MAX30205_I2C_SLAVE_ADDR_BOTTOM (0x90)
+#define MAX14720_I2C_SLAVE_ADDR (0x54)
+#define BMP280_I2C_SLAVE_ADDR (0xEC)
+
+
+#define HVOUT_VOLTAGE 4500 // set to 4500 mV
+
+ // Define with Maxim VID and a Maxim assigned PID, set to version 0x0001 and non-blocking
+ USBSerial usbSerial(0x0b6a, 0x0100, 0x0001, false);
+ 
+// I2C Masters
+I2C i2c1(I2C1_SDA, I2C1_SCL);
+I2C i2c2(I2C2_SDA, I2C2_SCL);
+
+// Top local Temperature Sensor
+MAX30205 MAX30205_top(&i2c1, MAX30205_I2C_SLAVE_ADDR_TOP);
+
+// Botttom local Temperature Sensor
+MAX30205 MAX30205_bottom(&i2c1, MAX30205_I2C_SLAVE_ADDR_BOTTOM);
+
+// Barometric Pressure Sensor
+BMP280 bmp280_pres(&i2c1, BMP280_I2C_SLAVE_ADDR);
+
+//PMIC
+MAX14720 max14720(&i2c2,MAX14720_I2C_SLAVE_ADDR);
+
+///// External Flash
+//S25FS512 s25fs512(&quadSpiInterface);
+
+/// PWM used as fclk for the MAX30001
+PwmOut pwmout(P1_7);
+
+
+DigitalOut led(LED1);
+
+
+void turnOff()
+{
+    //write the power down command to PMIC
+    max14720.shutdown();    
+}
+int main()
+{
+    
+    // Override the default value of boostEn to BOOST_ENABLED
+    max14720.boostEn = MAX14720::BOOST_ENABLED;
+    // Note that writing the local value does directly affect the part
+    // The buck-boost regulator will remain off until init is called
+    max14720.init();
+    // Turn LED signal on to make buck-boost output visible
+    max14720.boostSetVoltage(HVOUT_VOLTAGE);
+    led = 0;
+    
+    // Initialise the BMP280
+    bmp280_pres.init(BMP280::OVERSAMPLING_X16_P, BMP280::OVERSAMPLING_X2_T, BMP280::FILT_4, BMP280::NORMAL_MODE, BMP280::T_62_5);
+
+    //Temperature sensor variables
+    uint16_t rawTemp_top;
+    uint16_t rawTemp_bottom ;
+    float celsius_top, celsius_bottom;
+    float fahrenheit_top, fahrenheit_bottom;
+    
+    //barometric sensor variables
+    char bmp280_rawData = 0;
+    float Temp_degC, Press_Pa, Press_Bar;
+    
+    
+    //Endless loop
+    while(1) 
+    {
+        /* Temperature Sensor Settings */
+        
+        //Read Temperature
+        MAX30205_top.readTemperature(&rawTemp_top);
+        MAX30205_bottom.readTemperature(&rawTemp_bottom);   
+        // Read BMP280 Temp. and Pressure
+        bmp280_pres.ReadCompDataRaw(&bmp280_rawData);
+        bmp280_pres.ToFloat(&bmp280_rawData, &Temp_degC, &Press_Pa);
+        // Convert to Celsius
+        celsius_top = MAX30205_top.toCelsius(rawTemp_top);
+        celsius_bottom = MAX30205_bottom.toCelsius(rawTemp_bottom);
+        
+        // Convert to Fahrenheit
+        fahrenheit_top = MAX30205_top.toFahrenheit(celsius_top);
+        fahrenheit_bottom = MAX30205_bottom.toFahrenheit(celsius_bottom);
+        
+        /* Barometric Sensor Settings */
+    
+        Press_Bar = Press_Pa / 100000;
+
+        /* Printing various sensor values */
+        usbSerial.printf("***** MAX30205 Temperature Sensor Reading *****\n\r");
+        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);
+        
+        usbSerial.printf("***** BMP280 Barometric Sensor Reading *****\n\r");
+        usbSerial.printf("Temp_degC : %.2f , Press_Bar is %.2f , Press_pa is %.2f\n\n\r",Temp_degC, Press_Bar, Press_Pa);
+        
+        usbSerial.printf("-------------------------------------------------\n\n\n\r");
+
+        wait(0.2);
+        
+    
+       
+    }
+}