WORKING: Outputs of IOManagement output specified values correctly

* Use new DAC library for analog outputs
* Add output testing code in main.cpp

Author: bquan0

embedded-pio

@@ -2,6 +2,7 @@
 #define __IO_MANAGER_H__
 
 #include "PID.h" 
+#include "dac.h"
 #include "adc.h"
 #include "const.h"
 #include "STM32TimerInterrupt_Generic.h"

include/IOManagement.h

@@ -22,12 +22,12 @@ void initIO() {
 
     initADC(ADC1);
 
-    if(IOTimer.attachInterruptInterval(IO_UPDATE_PERIOD, readIO))
-    {
+    uint32_t channels[2] = {DAC_CHANNEL_1, DAC_CHANNEL_2};
+    initDAC(DAC1, channels, 2);
+
+    if(IOTimer.attachInterruptInterval(IO_UPDATE_PERIOD, readIO)) {
         printf("starting IO timer\n");
-    }
-    else 
-    {
+    } else {
         printf("problem starting IO timer\n");
     }
 }
@@ -56,10 +56,10 @@ void set_eco_mode(bool eco){
 
 void writeAccOut(float newAccOut) {
     acc_out = newAccOut;
-    analogWrite(PA5, acc_out);
+    writeDAC(DAC_CHANNEL_2, newAccOut); // PA_5
 }
 
 void writeRegenBrake(float newRegenBrake) {
     regen_brake = newRegenBrake;
-    analogWrite(PA4, regen_brake);
+    writeDAC(DAC_CHANNEL_1, newRegenBrake); // PA_4
 }

src/IOManagement.cpp

@@ -1,12 +1,14 @@
 #include <Arduino.h>
 #include "IOManagement.h"
+#include "dac.h"
 #include "const.h"
 #include "canPDC.h"
 #include "speed_calc.h"
 
 CANPDC canBus(CAN1, DEF);
 
 uint8_t counter = 0;
+bool digital_output = false;
 
 void setup() {
   Serial.begin(115200);
@@ -35,5 +37,15 @@ void loop() {
     printf("5V current: %f\n", lv_5V_current);
     printf("current in: %f\n", current_in_telem);
     printf("brake pressure: %f\n", brake_pressure_telem);
+
+    // digital outputs
+    digital_output = !digital_output;
+    printf("direction: %d\n", digital_output);
+    set_direction(digital_output);
+    set_eco_mode(!digital_output);
+
+    // analog outputs
+    writeAccOut(0.5);
+    writeRegenBrake(0.75);
   }
 }