BSP ADC with DMA Circular

Application/BSP/BSP_ADC.c

@@ -0,0 +1,56 @@
+#include "main.h"
+#include "BSP_ADC.h"
+#include "adc.h"
+#include "stdbool.h"
+
+#define ADC_CONVERTED_DATA_BUFFER_SIZE   ((uint32_t) 16)   /* Size of array aADCxConvertedData[] */
+ALIGN_32BYTES (static uint16_t   aADCxConvertedData[ADC_CONVERTED_DATA_BUFFER_SIZE]);
+
+
+static bool adcIsInitialized = false;
+
+//start the ADC conversion
+void BSP_ADC_Start()
+{
+
+
+  if (HAL_ADCEx_Calibration_Start(&hadc1, ADC_CALIB_OFFSET_LINEARITY, ADC_SINGLE_ENDED) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+
+  if (HAL_ADC_Start_DMA(&hadc1,
+                        (uint32_t *)aADCxConvertedData,
+                        ADC_CONVERTED_DATA_BUFFER_SIZE
+                       ) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  
+    adcIsInitialized = true;
+
+}
+
+
+/**
+  * @brief  Conversion complete callback in non-blocking mode
+  * @param  hadc: ADC handle
+  * @retval None
+  */
+void HAL_ADC_ConvHalfCpltCallback(ADC_HandleTypeDef* hadc)
+{
+  /* Invalidate Data Cache to get the updated content of the SRAM on the first half of the ADC converted data buffer: 32 bytes */
+  SCB_InvalidateDCache_by_Addr((uint32_t *) &aADCxConvertedData[0], ADC_CONVERTED_DATA_BUFFER_SIZE);
+}
+
+/**
+  * @brief  Conversion DMA half-transfer callback in non-blocking mode
+  * @param  hadc: ADC handle
+  * @retval None
+  */
+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);
+}

Application/BSP/BSP_ADC.h

@@ -0,0 +1,10 @@
+
+
+void BSP_ADC_Start();
+
+
+float BSP_ADC_ReadDimmerValue();
+
+
+
+float BSP_ADC_ReadBusValue();

Application/BSP/BSP_POWER.c

@@ -9,6 +9,7 @@
 #include "sdmmc.h"
 #include "cmsis_os2.h"
 #include "BSP_GPIO.h"
+#include "BSP_ADC.h"
 
 #define LPTIM_CLK 500     // Hz
 #define SLEEP_TICK_TIME 1  // seconds to wait
@@ -126,4 +127,14 @@ void HAL_LPTIM_AutoReloadMatchCallback(LPTIM_HandleTypeDef *hlptim) {
         }
     }
 
-}
+}
+
+
+
+void BSP_POWER_FullPowerMode() {
+
+    BSP_GPIO_ClsOn();
+    BSP_GPIO_PeriperalsOn();
+    BSP_ADC_Start();
+
+}

Application/BSP/BSP_POWER.h

@@ -10,4 +10,7 @@ void BSP_POWER_Init();
 void BSP_POWER_WakeUp();
 
 
-void BSP_POWER_EnterStandby();
+void BSP_POWER_EnterStandby();
+
+
+void BSP_POWER_FullPowerMode();

Application/BSP/CMakeLists.txt

@@ -4,6 +4,7 @@ BSP_EE24.c
 BSP_INA.c
 BSP_POWER.c
 BSP_GPIO.c
+BSP_ADC.c
 )
 
 target_include_directories(BSP PUBLIC ./)