Diff: main.cpp

Revision:

0:aaad1791753c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Aug 06 12:46:14 2019 +0000
@@ -0,0 +1,121 @@
+#include "mbed.h"
+#include "MODSERIAL.h"
+#include "Watchdog.h"
+#include "ADS8568_ADC.h"
+#include "Heater.h"
+#include "FastPWM.h"
+
+
+/*------------------------------------------------------------------------------
+Codebase for T99004 Demo Control Board Rev A Firmware
+Date: 10/07/2018
+Author: AS7
+
+
+------------------------------------------------------------------------------*/
+
+#define ALL_CH 15               //value of convst bus to read all chanels simultaneosly
+
+
+Watchdog wd;                    //instantiate watchdog class
+
+MODSERIAL pc(PA_9, PA_10, 512); //mcu TX, RX, 512 byte TX and RX buffers
+
+//ADC object inherits SPI, 
+ADS8568_ADC adc(PB_15, PB_14, PB_13, PB_12, PC_15, PC_0, PC_1, PC_2, PC_3);
+
+//SPI spi(PB_15, PB_14, PB_13);   // mosi, miso, sclk
+I2C i2c(PB_7, PB_8);            //SDA, SCL
+
+//indicator LEDs
+DigitalOut hb_led(PC_13);       //Green
+DigitalOut led_0(PC_4);         //Red
+DigitalOut led_1(PC_5);         //Green
+
+//User buttons
+DigitalIn user_0(PB_0);
+DigitalIn user_1(PB_1);
+
+//ADC
+//BusOut adc_convt(PC_0, PC_1, PC_2, PC_3);   //channel convert ch_A, ch_B, ch_C, ch_D
+//DigitalOut adc_ncs(PB_12);                   //chip n_select
+DigitalIn adc_busy(PA_8);                   //Busy interrupt sig
+//DigitalOut adc_reset(PC_15);
+
+/*ADC channels are connected as follows------------
+CH_A0 = Heater 1 Current Sense
+CH_A1 = Heater 1 Voltage Sense
+CH_B0 = Heater 2 Current Sense
+CH_B1 = Heater 2 Voltage Sense
+CH_C0 = Photodiode Amp Out 1
+CH_C1 = Photodiode Amp Out 2
+CH_D0 = Photodiode Amp Out 3
+CH_D1 = Photodiode Amp Out 4
+---------------------------------------------------*/
+
+//Heater Control
+FastPWM drive_1(PC_9);
+FastPWM drive_2(PC_8);
+FastPWM guard_1(PC_7);
+FastPWM guard_2(PC_6);
+Timer timer;
+
+
+//Global vars instatiation (to be moved to new places)
+char buffer16[16];
+float voltages[8];
+int values[8];
+int i = 0;
+int log_count = 0;
+
+float cur1 = 0;
+float cur2 = 0;
+float R1 = 0;
+float R2 = 0;
+float scale_factors[8];
+float scale_factor = 13.273;
+int drivetime_ms = 0;
+int OSR = 1;
+float R_avg = 0;
+
+char outString[100];
+
+Heater heater_1(0,1,&drive_1, &guard_1, 291, -209);
+Heater heater_2(2,3,&drive_2, &guard_2, 286, -203);
+
+
+int main()
+{
+    // Initialsation
+    
+    //for (int i = 0; i<8; i++) {scale_factors[i] = 13.273;} //TODO tweak for each individual channel 
+    pc.baud(115200);        
+    //led_1 = drive_1; //tie led 1 and heater 1 outputs together so LED shows while heater is on (initial debug purposes only)
+    //wd.Configure(30.0);              //configure watchdog timer to 1s interval
+    adc.init();                     //initialise ADC
+    timer.start();                  //Start the timer   
+    drivetime_ms = 50;
+    
+    //Initialise drive periods
+    drive_1.period_us(PWM_PERIOD);      
+    drive_2.period_us(PWM_PERIOD);    
+    guard_1.period_us(PWM_PERIOD);      
+    guard_2.period_us(PWM_PERIOD); 
+        
+    //while(user_1 == 0);
+    
+    //Body
+    
+    //if (wd.WatchdogCausedReset())
+    //   pc.printf("Watchdog caused reset.\r\n");    
+ 
+    while(1){
+        
+        heater_1.read();
+        heater_2.read();
+        wait(2);
+
+    }    
+    
+        
+}