enabled dimming over ADC input

Application/BSP/BSP_ADC.c

@@ -3,9 +3,15 @@
 #include "adc.h"
 #include "stdbool.h"
 
-#define ADC_CONVERTED_DATA_BUFFER_SIZE   ((uint32_t) 16)   /* Size of array aADCxConvertedData[] */
+
+#define TOTAL_ADC_CHANNELS 4
+#define ADC_HISTORY_SIZE 4
+#define ADC_BUFFER_SIZE (TOTAL_ADC_CHANNELS * ADC_HISTORY_SIZE)
+#define ADC_CONVERTED_DATA_BUFFER_SIZE   ((uint32_t) ADC_BUFFER_SIZE)   /* Size of array aADCxConvertedData[] */
 ALIGN_32BYTES (static uint16_t   aADCxConvertedData[ADC_CONVERTED_DATA_BUFFER_SIZE]);
 
+#define ADC_CHANNEL_DIMMER 1
+#define ADC_CHANNEL_BUS 3
 
 static bool adcIsInitialized = false;
 
@@ -53,4 +59,34 @@ void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc)
 {
    /* Invalidate Data Cache to get the updated content of the SRAM on the second half of the ADC converted data buffer: 32 bytes */
   SCB_InvalidateDCache_by_Addr((uint32_t *) &aADCxConvertedData[ADC_CONVERTED_DATA_BUFFER_SIZE/2], ADC_CONVERTED_DATA_BUFFER_SIZE);
+}
+
+
+
+float BSP_ADC_ReadValue( uint32_t channel, float factor) {
+    if (!adcIsInitialized) {
+        return 0;
+    }
+    // average the last 4 values of the dimmer ADC
+    uint32_t sum = 0;
+    for (int i = 0; i < ADC_HISTORY_SIZE; i++) {
+        sum += aADCxConvertedData[channel + i * TOTAL_ADC_CHANNELS];
+    }
+
+
+    //convert raw ADC value to voltage
+    float voltage = (float)sum / (float)ADC_HISTORY_SIZE / factor; // gemessan an sample pcb
+
+    return voltage;
+
+}
+
+float BSP_ADC_ReadDimmerValue() {
+    return BSP_ADC_ReadValue(ADC_CHANNEL_DIMMER, 4319.619048);
+
+}
+
+
+float BSP_ADC_ReadBusValue() {
+    return BSP_ADC_ReadValue(ADC_CHANNEL_BUS, 4046.87186);
 }