Organized project

1 files changed, 130 insertions, 0 deletions

diff --git a/project/Core/Src/Devices/adc.c b/project/Core/Src/Devices/adc.c
new file mode 100644
index 0000000..549f4bb
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+++ b/project/Core/Src/Devices/adc.c
@@ -0,0 +1,130 @@
+/*
+ * adc.c
+ *
+ *  Created on: Apr 13, 2022
+ *      Author: bruce
+ */
+
+#include "adc.h"
+#include "stm32l4xx.h"
+#include "main.h"
+
+ADC_HandleTypeDef hadc1;
+
+/**
+* @brief ADC MSP Initialization
+* This function configures the hardware resources used in this example
+* @param hadc: ADC handle pointer
+* @retval None
+*/
+void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc)
+{
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
+  if(hadc->Instance==ADC1)
+  {
+  /** Initializes the peripherals clock
+  */
+    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
+    PeriphClkInit.AdcClockSelection = RCC_ADCCLKSOURCE_PLLSAI1;
+    PeriphClkInit.PLLSAI1.PLLSAI1Source = RCC_PLLSOURCE_HSI;
+    PeriphClkInit.PLLSAI1.PLLSAI1M = 1;
+    PeriphClkInit.PLLSAI1.PLLSAI1N = 8;
+    PeriphClkInit.PLLSAI1.PLLSAI1P = RCC_PLLP_DIV7;
+    PeriphClkInit.PLLSAI1.PLLSAI1Q = RCC_PLLQ_DIV2;
+    PeriphClkInit.PLLSAI1.PLLSAI1R = RCC_PLLR_DIV2;
+    PeriphClkInit.PLLSAI1.PLLSAI1ClockOut = RCC_PLLSAI1_ADC1CLK;
+    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
+	{
+    	Error_Handler();
+	}
+
+
+    /* Peripheral clock enable */
+    __HAL_RCC_ADC_CLK_ENABLE();
+
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    /**ADC1 GPIO Configuration
+    PA0     ------> ADC1_IN5
+    */
+    GPIO_InitStruct.Pin = GPIO_PIN_0;
+    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG_ADC_CONTROL;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+  }
+
+}
+
+/**
+* @brief ADC MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param hadc: ADC handle pointer
+* @retval None
+*/
+void HAL_ADC_MspDeInit(ADC_HandleTypeDef* hadc)
+{
+  if(hadc->Instance==ADC1)
+  {
+    __HAL_RCC_ADC_CLK_DISABLE();
+    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_0);
+  }
+
+}
+
+void ADC_Init () {
+	  ADC_MultiModeTypeDef multimode = {0};
+	  ADC_ChannelConfTypeDef sConfig = {0};
+
+	  /** Common config
+	  */
+	  hadc1.Instance = ADC1;
+	  hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
+	  hadc1.Init.Resolution = ADC_RESOLUTION_12B;
+	  hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
+	  hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
+	  hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
+	  hadc1.Init.LowPowerAutoWait = DISABLE;
+	  hadc1.Init.ContinuousConvMode = DISABLE;
+	  hadc1.Init.NbrOfConversion = 1;
+	  hadc1.Init.DiscontinuousConvMode = DISABLE;
+	  hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
+	  hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
+	  hadc1.Init.DMAContinuousRequests = DISABLE;
+	  hadc1.Init.Overrun = ADC_OVR_DATA_PRESERVED;
+	  hadc1.Init.OversamplingMode = DISABLE;
+	  if (HAL_ADC_Init(&hadc1) != HAL_OK)
+	  {
+		  Error_Handler();
+	  }
+
+	  /** Configure the ADC multi-mode
+	  */
+	  multimode.Mode = ADC_MODE_INDEPENDENT;
+	  if (HAL_ADCEx_MultiModeConfigChannel(&hadc1, &multimode) != HAL_OK)
+	  {
+		  Error_Handler();
+	  }
+
+
+	  /** Configure Regular Channel
+	  */
+	  sConfig.Channel = ADC_CHANNEL;
+	  sConfig.Rank = ADC_REGULAR_RANK_1;
+	  sConfig.SamplingTime = ADC_SAMPLETIME_2CYCLES_5;
+	  sConfig.SingleDiff = ADC_SINGLE_ENDED;
+	  sConfig.OffsetNumber = ADC_OFFSET_NONE;
+	  sConfig.Offset = 0;
+	  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig)  != HAL_OK)
+	  {
+		  Error_Handler();
+	  }
+}
+
+void ADC_Start () {
+	HAL_ADC_Start (&hadc1);
+}
+
+uint32_t ADC_Read_Value_Blocking () {
+	HAL_ADC_PollForConversion (&hadc1, 10);
+	return HAL_ADC_GetValue (&hadc1);
+}