ADC trig dir set by adc trig edge, CC irq dir set by Center aligned mode 1,2,3

Src/test.c

@@ -2,6 +2,7 @@
 #include "test.h"
 
 #include "cmsis_os.h"
+#include "stm32f405xx.h"
 #include "stm32f4xx.h"
 #include "stm32f4xx_hal_adc.h"
 #include "stm32f4xx_hal_adc_ex.h"
@@ -12,11 +13,15 @@
 
 static void test_read_ADC(void);
 
+static int test_base = 0;
 static int test = 0;
 static int test2 = 0;
 
 void test_main(void) {
 
+    //Set trigger to mid phase to check for trigger polarity
+    htim1.Instance->CCR4 = 2048;
+
     HAL_TIM_PWM_Start_IT(&htim1, TIM_CHANNEL_4);
     __HAL_ADC_ENABLE(&hadc2);
 
@@ -45,13 +50,19 @@ void HAL_ADCEx_InjectedConvCpltCallback(ADC_HandleTypeDef* hadc) {
     assert(hadc == &hadc2);
 
     float unknown_ch_volts = read_ADC_volts(hadc, 1);
-    test++;
+    uint32_t cnt = htim1.Instance->CNT;
+    int dir = htim1.Instance->CR1 & TIM_CR1_DIR;
+    if(dir){
+        test++;
+    } else {
+        test2++;
+    }
 }
 
 void HAL_TIM_OC_DelayElapsedCallback(TIM_HandleTypeDef *htim) {
 
     //We only expect the timing driving channel to trigger an interrupt.
     assert(htim->Channel == HAL_TIM_ACTIVE_CHANNEL_4);
-    test2++;
+    test_base++;
 
 }