adc.c 4.0 KB

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  1. /* USER CODE BEGIN Header */
  2. /**
  3. ******************************************************************************
  4. * @file adc.c
  5. * @brief This file provides code for the configuration
  6. * of the ADC instances.
  7. ******************************************************************************
  8. * @attention
  9. *
  10. * Copyright (c) 2025 STMicroelectronics.
  11. * All rights reserved.
  12. *
  13. * This software is licensed under terms that can be found in the LICENSE file
  14. * in the root directory of this software component.
  15. * If no LICENSE file comes with this software, it is provided AS-IS.
  16. *
  17. ******************************************************************************
  18. */
  19. /* USER CODE END Header */
  20. /* Includes ------------------------------------------------------------------*/
  21. #include "adc.h"
  22. /* USER CODE BEGIN 0 */
  23. /* USER CODE END 0 */
  24. ADC_HandleTypeDef hadc1;
  25. /* ADC1 init function */
  26. void MX_ADC1_Init(void)
  27. {
  28. /* USER CODE BEGIN ADC1_Init 0 */
  29. /* USER CODE END ADC1_Init 0 */
  30. ADC_ChannelConfTypeDef sConfig = {0};
  31. /* USER CODE BEGIN ADC1_Init 1 */
  32. /* USER CODE END ADC1_Init 1 */
  33. /** Common config
  34. */
  35. hadc1.Instance = ADC1;
  36. hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
  37. hadc1.Init.Resolution = ADC_RESOLUTION_12B;
  38. hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
  39. hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
  40. hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
  41. hadc1.Init.LowPowerAutoWait = DISABLE;
  42. hadc1.Init.ContinuousConvMode = DISABLE;
  43. hadc1.Init.NbrOfConversion = 1;
  44. hadc1.Init.DiscontinuousConvMode = DISABLE;
  45. hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
  46. hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
  47. hadc1.Init.DMAContinuousRequests = DISABLE;
  48. hadc1.Init.Overrun = ADC_OVR_DATA_PRESERVED;
  49. hadc1.Init.OversamplingMode = DISABLE;
  50. if (HAL_ADC_Init(&hadc1) != HAL_OK)
  51. {
  52. Error_Handler();
  53. }
  54. /** Configure Regular Channel
  55. */
  56. sConfig.Channel = ADC_CHANNEL_6;
  57. sConfig.Rank = ADC_REGULAR_RANK_1;
  58. sConfig.SamplingTime = ADC_SAMPLETIME_247CYCLES_5;
  59. sConfig.SingleDiff = ADC_SINGLE_ENDED;
  60. sConfig.OffsetNumber = ADC_OFFSET_NONE;
  61. sConfig.Offset = 0;
  62. if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
  63. {
  64. Error_Handler();
  65. }
  66. /* USER CODE BEGIN ADC1_Init 2 */
  67. /* USER CODE END ADC1_Init 2 */
  68. }
  69. void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle)
  70. {
  71. GPIO_InitTypeDef GPIO_InitStruct = {0};
  72. RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
  73. if(adcHandle->Instance==ADC1)
  74. {
  75. /* USER CODE BEGIN ADC1_MspInit 0 */
  76. /* USER CODE END ADC1_MspInit 0 */
  77. /** Initializes the peripherals clock
  78. */
  79. PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
  80. PeriphClkInit.AdcClockSelection = RCC_ADCCLKSOURCE_PLLSAI1;
  81. PeriphClkInit.PLLSAI1.PLLSAI1Source = RCC_PLLSOURCE_HSI;
  82. PeriphClkInit.PLLSAI1.PLLSAI1M = 1;
  83. PeriphClkInit.PLLSAI1.PLLSAI1N = 8;
  84. PeriphClkInit.PLLSAI1.PLLSAI1P = RCC_PLLP_DIV7;
  85. PeriphClkInit.PLLSAI1.PLLSAI1Q = RCC_PLLQ_DIV2;
  86. PeriphClkInit.PLLSAI1.PLLSAI1R = RCC_PLLR_DIV2;
  87. PeriphClkInit.PLLSAI1.PLLSAI1ClockOut = RCC_PLLSAI1_ADC1CLK;
  88. if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  89. {
  90. Error_Handler();
  91. }
  92. /* ADC1 clock enable */
  93. __HAL_RCC_ADC_CLK_ENABLE();
  94. __HAL_RCC_GPIOA_CLK_ENABLE();
  95. /**ADC1 GPIO Configuration
  96. PA1 ------> ADC1_IN6
  97. */
  98. GPIO_InitStruct.Pin = GPIO_PIN_1;
  99. GPIO_InitStruct.Mode = GPIO_MODE_ANALOG_ADC_CONTROL;
  100. GPIO_InitStruct.Pull = GPIO_NOPULL;
  101. HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  102. /* USER CODE BEGIN ADC1_MspInit 1 */
  103. /* USER CODE END ADC1_MspInit 1 */
  104. }
  105. }
  106. void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle)
  107. {
  108. if(adcHandle->Instance==ADC1)
  109. {
  110. /* USER CODE BEGIN ADC1_MspDeInit 0 */
  111. /* USER CODE END ADC1_MspDeInit 0 */
  112. /* Peripheral clock disable */
  113. __HAL_RCC_ADC_CLK_DISABLE();
  114. /**ADC1 GPIO Configuration
  115. PA1 ------> ADC1_IN6
  116. */
  117. HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1);
  118. /* USER CODE BEGIN ADC1_MspDeInit 1 */
  119. /* USER CODE END ADC1_MspDeInit 1 */
  120. }
  121. }
  122. /* USER CODE BEGIN 1 */
  123. /* USER CODE END 1 */