adc.c 3.8 KB

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  1. /**
  2. ******************************************************************************
  3. * @file adc.c
  4. * @brief This file provides code for the configuration
  5. * of the ADC instances.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
  10. * All rights reserved.</center></h2>
  11. *
  12. * This software component is licensed by ST under Ultimate Liberty license
  13. * SLA0044, the "License"; You may not use this file except in compliance with
  14. * the License. You may obtain a copy of the License at:
  15. * www.st.com/SLA0044
  16. *
  17. ******************************************************************************
  18. */
  19. /* Includes ------------------------------------------------------------------*/
  20. #include "adc.h"
  21. /* USER CODE BEGIN 0 */
  22. /* USER CODE END 0 */
  23. ADC_HandleTypeDef hadc1;
  24. /* ADC1 init function */
  25. void MX_ADC1_Init(void)
  26. {
  27. /* USER CODE BEGIN ADC1_Init 0 */
  28. /* USER CODE END ADC1_Init 0 */
  29. ADC_ChannelConfTypeDef sConfig = {0};
  30. /* USER CODE BEGIN ADC1_Init 1 */
  31. /* USER CODE END ADC1_Init 1 */
  32. /** Common config
  33. */
  34. hadc1.Instance = ADC1;
  35. hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
  36. hadc1.Init.Resolution = ADC_RESOLUTION_12B;
  37. hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
  38. hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
  39. hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
  40. hadc1.Init.LowPowerAutoWait = DISABLE;
  41. hadc1.Init.ContinuousConvMode = DISABLE;
  42. hadc1.Init.NbrOfConversion = 1;
  43. hadc1.Init.DiscontinuousConvMode = DISABLE;
  44. hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
  45. hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
  46. hadc1.Init.DMAContinuousRequests = DISABLE;
  47. hadc1.Init.Overrun = ADC_OVR_DATA_PRESERVED;
  48. hadc1.Init.OversamplingMode = DISABLE;
  49. if (HAL_ADC_Init(&hadc1) != HAL_OK)
  50. {
  51. Error_Handler();
  52. }
  53. /** Configure Regular Channel
  54. */
  55. sConfig.Channel = ADC_CHANNEL_14;
  56. sConfig.Rank = ADC_REGULAR_RANK_1;
  57. sConfig.SamplingTime = ADC_SAMPLETIME_2CYCLES_5;
  58. sConfig.SingleDiff = ADC_SINGLE_ENDED;
  59. sConfig.OffsetNumber = ADC_OFFSET_NONE;
  60. sConfig.Offset = 0;
  61. if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
  62. {
  63. Error_Handler();
  64. }
  65. /* USER CODE BEGIN ADC1_Init 2 */
  66. /* USER CODE END ADC1_Init 2 */
  67. }
  68. void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle)
  69. {
  70. GPIO_InitTypeDef GPIO_InitStruct = {0};
  71. if(adcHandle->Instance==ADC1)
  72. {
  73. /* USER CODE BEGIN ADC1_MspInit 0 */
  74. /* USER CODE END ADC1_MspInit 0 */
  75. /* ADC1 clock enable */
  76. __HAL_RCC_ADC_CLK_ENABLE();
  77. __HAL_RCC_GPIOC_CLK_ENABLE();
  78. /**ADC1 GPIO Configuration
  79. PC5 ------> ADC1_IN14
  80. */
  81. GPIO_InitStruct.Pin = RFID_RF_IN_Pin;
  82. GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  83. GPIO_InitStruct.Pull = GPIO_NOPULL;
  84. HAL_GPIO_Init(RFID_RF_IN_GPIO_Port, &GPIO_InitStruct);
  85. /* ADC1 interrupt Init */
  86. HAL_NVIC_SetPriority(ADC1_IRQn, 5, 0);
  87. HAL_NVIC_EnableIRQ(ADC1_IRQn);
  88. /* USER CODE BEGIN ADC1_MspInit 1 */
  89. /* USER CODE END ADC1_MspInit 1 */
  90. }
  91. }
  92. void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle)
  93. {
  94. if(adcHandle->Instance==ADC1)
  95. {
  96. /* USER CODE BEGIN ADC1_MspDeInit 0 */
  97. /* USER CODE END ADC1_MspDeInit 0 */
  98. /* Peripheral clock disable */
  99. __HAL_RCC_ADC_CLK_DISABLE();
  100. /**ADC1 GPIO Configuration
  101. PC5 ------> ADC1_IN14
  102. */
  103. HAL_GPIO_DeInit(RFID_RF_IN_GPIO_Port, RFID_RF_IN_Pin);
  104. /* ADC1 interrupt Deinit */
  105. HAL_NVIC_DisableIRQ(ADC1_IRQn);
  106. /* USER CODE BEGIN ADC1_MspDeInit 1 */
  107. /* USER CODE END ADC1_MspDeInit 1 */
  108. }
  109. }
  110. /* USER CODE BEGIN 1 */
  111. /* USER CODE END 1 */
  112. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/