| 1 | /* USER CODE BEGIN Header */ |
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| 2 | /** |
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| 3 | ****************************************************************************** |
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| 4 | * @file dac.c |
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| 5 | * @brief This file provides code for the configuration |
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| 6 | * of the DAC instances. |
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| 7 | ****************************************************************************** |
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| 8 | * @attention |
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| 9 | * |
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| 10 | * Copyright (c) 2025 STMicroelectronics. |
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| 11 | * All rights reserved. |
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| 12 | * |
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| 13 | * This software is licensed under terms that can be found in the LICENSE file |
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| 14 | * in the root directory of this software component. |
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| 15 | * If no LICENSE file comes with this software, it is provided AS-IS. |
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| 16 | * |
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| 17 | ****************************************************************************** |
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| 18 | */ |
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| 19 | /* USER CODE END Header */ |
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| 20 | /* Includes ------------------------------------------------------------------*/ |
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| 21 | #include "dac.h" |
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| 22 | |
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| 23 | /* USER CODE BEGIN 0 */ |
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| 24 | |
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| 25 | #include "adc.h" |
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| 26 | |
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| 27 | /* USER CODE END 0 */ |
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| 28 | |
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| 29 | DAC_HandleTypeDef hdac1; |
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| 30 | |
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| 31 | /* DAC1 init function */ |
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| 32 | void MX_DAC1_Init(void) |
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| 33 | { |
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| 34 | |
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| 35 | /* USER CODE BEGIN DAC1_Init 0 */ |
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| 36 | |
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| 37 | /* USER CODE END DAC1_Init 0 */ |
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| 38 | |
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| 39 | DAC_ChannelConfTypeDef sConfig = {0}; |
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| 40 | |
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| 41 | /* USER CODE BEGIN DAC1_Init 1 */ |
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| 42 | |
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| 43 | /* USER CODE END DAC1_Init 1 */ |
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| 44 | |
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| 45 | /** DAC Initialization |
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| 46 | */ |
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| 47 | hdac1.Instance = DAC1; |
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| 48 | if (HAL_DAC_Init(&hdac1) != HAL_OK) |
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| 49 | { |
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| 50 | Error_Handler(); |
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| 51 | } |
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| 52 | |
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| 53 | /** DAC channel OUT1 config |
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| 54 | */ |
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| 55 | sConfig.DAC_SampleAndHold = DAC_SAMPLEANDHOLD_DISABLE; |
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| 56 | sConfig.DAC_Trigger = DAC_TRIGGER_NONE; |
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| 57 | sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE; |
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| 58 | sConfig.DAC_ConnectOnChipPeripheral = DAC_CHIPCONNECT_DISABLE; |
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| 59 | sConfig.DAC_UserTrimming = DAC_TRIMMING_FACTORY; |
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| 60 | if (HAL_DAC_ConfigChannel(&hdac1, &sConfig, DAC_CHANNEL_1) != HAL_OK) |
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| 61 | { |
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| 62 | Error_Handler(); |
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| 63 | } |
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| 64 | |
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| 65 | /** DAC channel OUT2 config |
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| 66 | */ |
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| 67 | if (HAL_DAC_ConfigChannel(&hdac1, &sConfig, DAC_CHANNEL_2) != HAL_OK) |
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| 68 | { |
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| 69 | Error_Handler(); |
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| 70 | } |
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| 71 | /* USER CODE BEGIN DAC1_Init 2 */ |
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| 72 | |
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| 73 | uint32_t Voltage_mV = 6000U / 2U; // We devide by 2, because voltage from Li-cell passes voltage divider 30k/30k (1:1) |
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| 74 | uint32_t Data = (Voltage_mV * ((1U << DAC_RESOLUTION_BIT) - 1U)) / VREF; |
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| 75 | HAL_StatusTypeDef r = HAL_DAC_SetValue(&hdac1, DAC_U_LIMIT_CHANNEL, DAC_ALIGN_12B_R, Data); |
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| 76 | if (r == HAL_OK) |
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| 77 | { |
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| 78 | r = HAL_DAC_Start(&hdac1, DAC_U_LIMIT_CHANNEL); |
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| 79 | if (r != HAL_OK) Error_Handler(); |
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| 80 | } |
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| 81 | else Error_Handler(); |
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| 82 | |
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| 83 | r = HAL_DAC_SetValue(&hdac1, DAC_LOAD_I_LIMIT_CHANNEL, DAC_ALIGN_12B_R, 0U); |
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| 84 | if (r == HAL_OK) |
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| 85 | { |
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| 86 | r = HAL_DAC_Start(&hdac1, DAC_LOAD_I_LIMIT_CHANNEL); |
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| 87 | if (r != HAL_OK) Error_Handler(); |
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| 88 | } |
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| 89 | else Error_Handler(); |
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| 90 | |
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| 91 | |
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| 92 | |
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| 93 | /* USER CODE END DAC1_Init 2 */ |
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| 94 | |
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| 95 | } |
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| 96 | |
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| 97 | void HAL_DAC_MspInit(DAC_HandleTypeDef* dacHandle) |
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| 98 | { |
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| 99 | |
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| 100 | GPIO_InitTypeDef GPIO_InitStruct = {0}; |
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| 101 | if(dacHandle->Instance==DAC1) |
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| 102 | { |
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| 103 | /* USER CODE BEGIN DAC1_MspInit 0 */ |
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| 104 | |
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| 105 | /* USER CODE END DAC1_MspInit 0 */ |
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| 106 | /* DAC1 clock enable */ |
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| 107 | __HAL_RCC_DAC12_CLK_ENABLE(); |
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| 108 | |
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| 109 | __HAL_RCC_GPIOA_CLK_ENABLE(); |
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| 110 | /**DAC1 GPIO Configuration |
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| 111 | PA4 ------> DAC1_OUT1 |
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| 112 | PA5 ------> DAC1_OUT2 |
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| 113 | */ |
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| 114 | GPIO_InitStruct.Pin = DAC_LOAD_I_LIMIT_Pin|DAC_U_LIMIT_Pin; |
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| 115 | GPIO_InitStruct.Mode = GPIO_MODE_ANALOG; |
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| 116 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
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| 117 | HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); |
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| 118 | |
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| 119 | /* USER CODE BEGIN DAC1_MspInit 1 */ |
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| 120 | |
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| 121 | /* USER CODE END DAC1_MspInit 1 */ |
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| 122 | } |
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| 123 | } |
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| 124 | |
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| 125 | void HAL_DAC_MspDeInit(DAC_HandleTypeDef* dacHandle) |
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| 126 | { |
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| 127 | |
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| 128 | if(dacHandle->Instance==DAC1) |
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| 129 | { |
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| 130 | /* USER CODE BEGIN DAC1_MspDeInit 0 */ |
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| 131 | |
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| 132 | /* USER CODE END DAC1_MspDeInit 0 */ |
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| 133 | /* Peripheral clock disable */ |
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| 134 | __HAL_RCC_DAC12_CLK_DISABLE(); |
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| 135 | |
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| 136 | /**DAC1 GPIO Configuration |
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| 137 | PA4 ------> DAC1_OUT1 |
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| 138 | PA5 ------> DAC1_OUT2 |
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| 139 | */ |
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| 140 | HAL_GPIO_DeInit(GPIOA, DAC_LOAD_I_LIMIT_Pin|DAC_U_LIMIT_Pin); |
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| 141 | |
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| 142 | /* USER CODE BEGIN DAC1_MspDeInit 1 */ |
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| 143 | |
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| 144 | /* USER CODE END DAC1_MspDeInit 1 */ |
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| 145 | } |
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| 146 | } |
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| 147 | |
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| 148 | /* USER CODE BEGIN 1 */ |
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| 149 | |
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| 150 | /* USER CODE END 1 */ |
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