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1 /**
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2 ******************************************************************************
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3 * @file stm32l4xx_hal_dma.h
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4 * @author MCD Application Team
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5 * @version V1.6.0
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6 * @date 28-October-2016
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7 * @brief Header file of DMA HAL module.
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8 ******************************************************************************
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9 * @attention
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10 *
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11 * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
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12 *
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13 * Redistribution and use in source and binary forms, with or without modification,
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14 * are permitted provided that the following conditions are met:
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15 * 1. Redistributions of source code must retain the above copyright notice,
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16 * this list of conditions and the following disclaimer.
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17 * 2. Redistributions in binary form must reproduce the above copyright notice,
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18 * this list of conditions and the following disclaimer in the documentation
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19 * and/or other materials provided with the distribution.
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20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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21 * may be used to endorse or promote products derived from this software
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22 * without specific prior written permission.
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23 *
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24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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34 *
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35 ******************************************************************************
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36 */
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37
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38 /* Define to prevent recursive inclusion -------------------------------------*/
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39 #ifndef __STM32L4xx_HAL_DMA_H
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40 #define __STM32L4xx_HAL_DMA_H
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41
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42 #ifdef __cplusplus
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43 extern "C" {
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44 #endif
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45
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46 /* Includes ------------------------------------------------------------------*/
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47 #include "stm32l4xx_hal_def.h"
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48
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49 /** @addtogroup STM32L4xx_HAL_Driver
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50 * @{
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51 */
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52
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53 /** @addtogroup DMA
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54 * @{
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55 */
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56
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57 /* Exported types ------------------------------------------------------------*/
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58
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59 /** @defgroup DMA_Exported_Types DMA Exported Types
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60 * @{
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61 */
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62
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63 /**
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64 * @brief DMA Configuration Structure definition
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65 */
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66 typedef struct
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67 {
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68 uint32_t Request; /*!< Specifies the request selected for the specified channel.
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69 This parameter can be a value of @ref DMA_request */
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70
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71 uint32_t Direction; /*!< Specifies if the data will be transferred from memory to peripheral,
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72 from memory to memory or from peripheral to memory.
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73 This parameter can be a value of @ref DMA_Data_transfer_direction */
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74
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75 uint32_t PeriphInc; /*!< Specifies whether the Peripheral address register should be incremented or not.
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76 This parameter can be a value of @ref DMA_Peripheral_incremented_mode */
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77
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78 uint32_t MemInc; /*!< Specifies whether the memory address register should be incremented or not.
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79 This parameter can be a value of @ref DMA_Memory_incremented_mode */
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80
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81 uint32_t PeriphDataAlignment; /*!< Specifies the Peripheral data width.
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82 This parameter can be a value of @ref DMA_Peripheral_data_size */
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83
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84 uint32_t MemDataAlignment; /*!< Specifies the Memory data width.
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85 This parameter can be a value of @ref DMA_Memory_data_size */
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86
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87 uint32_t Mode; /*!< Specifies the operation mode of the DMAy Channelx.
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88 This parameter can be a value of @ref DMA_mode
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89 @note The circular buffer mode cannot be used if the memory-to-memory
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90 data transfer is configured on the selected Channel */
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91
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92 uint32_t Priority; /*!< Specifies the software priority for the DMAy Channelx.
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93 This parameter can be a value of @ref DMA_Priority_level */
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94 } DMA_InitTypeDef;
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95
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96 /**
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97 * @brief HAL DMA State structures definition
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98 */
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99 typedef enum
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100 {
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101 HAL_DMA_STATE_RESET = 0x00, /*!< DMA not yet initialized or disabled */
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102 HAL_DMA_STATE_READY = 0x01, /*!< DMA initialized and ready for use */
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103 HAL_DMA_STATE_BUSY = 0x02, /*!< DMA process is ongoing */
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104 HAL_DMA_STATE_TIMEOUT = 0x03, /*!< DMA timeout state */
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105 }HAL_DMA_StateTypeDef;
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106
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107 /**
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108 * @brief HAL DMA Error Code structure definition
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109 */
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110 typedef enum
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111 {
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112 HAL_DMA_FULL_TRANSFER = 0x00, /*!< Full transfer */
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113 HAL_DMA_HALF_TRANSFER = 0x01 /*!< Half Transfer */
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114 }HAL_DMA_LevelCompleteTypeDef;
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115
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116
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117 /**
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118 * @brief HAL DMA Callback ID structure definition
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119 */
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120 typedef enum
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121 {
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122 HAL_DMA_XFER_CPLT_CB_ID = 0x00, /*!< Full transfer */
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123 HAL_DMA_XFER_HALFCPLT_CB_ID = 0x01, /*!< Half transfer */
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124 HAL_DMA_XFER_ERROR_CB_ID = 0x02, /*!< Error */
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125 HAL_DMA_XFER_ABORT_CB_ID = 0x03, /*!< Abort */
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126 HAL_DMA_XFER_ALL_CB_ID = 0x04 /*!< All */
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127
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128 }HAL_DMA_CallbackIDTypeDef;
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129
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130 /**
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131 * @brief DMA handle Structure definition
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132 */
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133 typedef struct __DMA_HandleTypeDef
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134 {
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135 DMA_Channel_TypeDef *Instance; /*!< Register base address */
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136
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137 DMA_InitTypeDef Init; /*!< DMA communication parameters */
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138
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139 HAL_LockTypeDef Lock; /*!< DMA locking object */
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140
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141 __IO HAL_DMA_StateTypeDef State; /*!< DMA transfer state */
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142
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143 void *Parent; /*!< Parent object state */
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144
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145 void (* XferCpltCallback)(struct __DMA_HandleTypeDef * hdma); /*!< DMA transfer complete callback */
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146
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147 void (* XferHalfCpltCallback)(struct __DMA_HandleTypeDef * hdma); /*!< DMA Half transfer complete callback */
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148
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149 void (* XferErrorCallback)(struct __DMA_HandleTypeDef * hdma); /*!< DMA transfer error callback */
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150
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151 void (* XferAbortCallback)( struct __DMA_HandleTypeDef * hdma); /*!< DMA transfer abort callback */
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152
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153 __IO uint32_t ErrorCode; /*!< DMA Error code */
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154
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155 DMA_TypeDef *DmaBaseAddress; /*!< DMA Channel Base Address */
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156
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157 uint32_t ChannelIndex; /*!< DMA Channel Index */
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158 }DMA_HandleTypeDef;
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159 /**
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160 * @}
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161 */
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162
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163 /* Exported constants --------------------------------------------------------*/
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164
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165 /** @defgroup DMA_Exported_Constants DMA Exported Constants
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166 * @{
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167 */
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168
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169 /** @defgroup DMA_Error_Code DMA Error Code
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170 * @{
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171 */
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172 #define HAL_DMA_ERROR_NONE ((uint32_t)0x00000000) /*!< No error */
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173 #define HAL_DMA_ERROR_TE ((uint32_t)0x00000001) /*!< Transfer error */
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174 #define HAL_DMA_ERROR_NO_XFER ((uint32_t)0x00000004) /*!< no ongoing transfer */
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175 #define HAL_DMA_ERROR_TIMEOUT ((uint32_t)0x00000020) /*!< Timeout error */
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176 #define HAL_DMA_ERROR_NOT_SUPPORTED ((uint32_t)0x00000100) /*!< Not supported mode */
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177 /**
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178 * @}
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179 */
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180
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181 /** @defgroup DMA_request DMA request
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182 * @{
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183 */
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184 #define DMA_REQUEST_0 ((uint32_t)0x00000000)
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185 #define DMA_REQUEST_1 ((uint32_t)0x00000001)
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186 #define DMA_REQUEST_2 ((uint32_t)0x00000002)
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187 #define DMA_REQUEST_3 ((uint32_t)0x00000003)
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188 #define DMA_REQUEST_4 ((uint32_t)0x00000004)
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189 #define DMA_REQUEST_5 ((uint32_t)0x00000005)
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190 #define DMA_REQUEST_6 ((uint32_t)0x00000006)
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191 #define DMA_REQUEST_7 ((uint32_t)0x00000007)
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192 /**
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193 * @}
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194 */
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195
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196 /** @defgroup DMA_Data_transfer_direction DMA Data transfer direction
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197 * @{
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198 */
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199 #define DMA_PERIPH_TO_MEMORY ((uint32_t)0x00000000) /*!< Peripheral to memory direction */
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200 #define DMA_MEMORY_TO_PERIPH ((uint32_t)DMA_CCR_DIR) /*!< Memory to peripheral direction */
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201 #define DMA_MEMORY_TO_MEMORY ((uint32_t)DMA_CCR_MEM2MEM) /*!< Memory to memory direction */
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202 /**
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203 * @}
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204 */
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205
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206 /** @defgroup DMA_Peripheral_incremented_mode DMA Peripheral incremented mode
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207 * @{
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208 */
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209 #define DMA_PINC_ENABLE ((uint32_t)DMA_CCR_PINC) /*!< Peripheral increment mode Enable */
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210 #define DMA_PINC_DISABLE ((uint32_t)0x00000000) /*!< Peripheral increment mode Disable */
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211 /**
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212 * @}
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213 */
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214
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215 /** @defgroup DMA_Memory_incremented_mode DMA Memory incremented mode
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216 * @{
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217 */
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218 #define DMA_MINC_ENABLE ((uint32_t)DMA_CCR_MINC) /*!< Memory increment mode Enable */
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219 #define DMA_MINC_DISABLE ((uint32_t)0x00000000) /*!< Memory increment mode Disable */
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220 /**
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221 * @}
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222 */
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223
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224 /** @defgroup DMA_Peripheral_data_size DMA Peripheral data size
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225 * @{
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226 */
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227 #define DMA_PDATAALIGN_BYTE ((uint32_t)0x00000000) /*!< Peripheral data alignment : Byte */
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228 #define DMA_PDATAALIGN_HALFWORD ((uint32_t)DMA_CCR_PSIZE_0) /*!< Peripheral data alignment : HalfWord */
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229 #define DMA_PDATAALIGN_WORD ((uint32_t)DMA_CCR_PSIZE_1) /*!< Peripheral data alignment : Word */
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230 /**
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231 * @}
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232 */
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233
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234 /** @defgroup DMA_Memory_data_size DMA Memory data size
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235 * @{
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236 */
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237 #define DMA_MDATAALIGN_BYTE ((uint32_t)0x00000000) /*!< Memory data alignment : Byte */
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238 #define DMA_MDATAALIGN_HALFWORD ((uint32_t)DMA_CCR_MSIZE_0) /*!< Memory data alignment : HalfWord */
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239 #define DMA_MDATAALIGN_WORD ((uint32_t)DMA_CCR_MSIZE_1) /*!< Memory data alignment : Word */
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240 /**
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241 * @}
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242 */
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243
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244 /** @defgroup DMA_mode DMA mode
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245 * @{
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246 */
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247 #define DMA_NORMAL ((uint32_t)0x00000000) /*!< Normal mode */
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248 #define DMA_CIRCULAR ((uint32_t)DMA_CCR_CIRC) /*!< Circular mode */
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249 /**
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250 * @}
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251 */
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252
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253 /** @defgroup DMA_Priority_level DMA Priority level
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254 * @{
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255 */
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256 #define DMA_PRIORITY_LOW ((uint32_t)0x00000000) /*!< Priority level : Low */
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257 #define DMA_PRIORITY_MEDIUM ((uint32_t)DMA_CCR_PL_0) /*!< Priority level : Medium */
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258 #define DMA_PRIORITY_HIGH ((uint32_t)DMA_CCR_PL_1) /*!< Priority level : High */
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259 #define DMA_PRIORITY_VERY_HIGH ((uint32_t)DMA_CCR_PL) /*!< Priority level : Very_High */
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260 /**
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261 * @}
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262 */
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263
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264
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265 /** @defgroup DMA_interrupt_enable_definitions DMA interrupt enable definitions
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266 * @{
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267 */
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268 #define DMA_IT_TC ((uint32_t)DMA_CCR_TCIE)
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269 #define DMA_IT_HT ((uint32_t)DMA_CCR_HTIE)
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270 #define DMA_IT_TE ((uint32_t)DMA_CCR_TEIE)
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271 /**
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272 * @}
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273 */
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274
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275 /** @defgroup DMA_flag_definitions DMA flag definitions
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276 * @{
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277 */
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278 #define DMA_FLAG_GL1 ((uint32_t)0x00000001)
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279 #define DMA_FLAG_TC1 ((uint32_t)0x00000002)
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280 #define DMA_FLAG_HT1 ((uint32_t)0x00000004)
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281 #define DMA_FLAG_TE1 ((uint32_t)0x00000008)
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282 #define DMA_FLAG_GL2 ((uint32_t)0x00000010)
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283 #define DMA_FLAG_TC2 ((uint32_t)0x00000020)
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284 #define DMA_FLAG_HT2 ((uint32_t)0x00000040)
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285 #define DMA_FLAG_TE2 ((uint32_t)0x00000080)
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286 #define DMA_FLAG_GL3 ((uint32_t)0x00000100)
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287 #define DMA_FLAG_TC3 ((uint32_t)0x00000200)
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288 #define DMA_FLAG_HT3 ((uint32_t)0x00000400)
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289 #define DMA_FLAG_TE3 ((uint32_t)0x00000800)
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290 #define DMA_FLAG_GL4 ((uint32_t)0x00001000)
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291 #define DMA_FLAG_TC4 ((uint32_t)0x00002000)
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292 #define DMA_FLAG_HT4 ((uint32_t)0x00004000)
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293 #define DMA_FLAG_TE4 ((uint32_t)0x00008000)
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294 #define DMA_FLAG_GL5 ((uint32_t)0x00010000)
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295 #define DMA_FLAG_TC5 ((uint32_t)0x00020000)
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296 #define DMA_FLAG_HT5 ((uint32_t)0x00040000)
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297 #define DMA_FLAG_TE5 ((uint32_t)0x00080000)
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298 #define DMA_FLAG_GL6 ((uint32_t)0x00100000)
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299 #define DMA_FLAG_TC6 ((uint32_t)0x00200000)
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300 #define DMA_FLAG_HT6 ((uint32_t)0x00400000)
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301 #define DMA_FLAG_TE6 ((uint32_t)0x00800000)
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302 #define DMA_FLAG_GL7 ((uint32_t)0x01000000)
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303 #define DMA_FLAG_TC7 ((uint32_t)0x02000000)
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304 #define DMA_FLAG_HT7 ((uint32_t)0x04000000)
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305 #define DMA_FLAG_TE7 ((uint32_t)0x08000000)
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306 /**
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307 * @}
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308 */
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309
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310 /**
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311 * @}
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312 */
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313
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314 /* Exported macros -----------------------------------------------------------*/
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315 /** @defgroup DMA_Exported_Macros DMA Exported Macros
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316 * @{
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317 */
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318
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319 /** @brief Reset DMA handle state.
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320 * @param __HANDLE__: DMA handle
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321 * @retval None
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322 */
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323 #define __HAL_DMA_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_DMA_STATE_RESET)
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324
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325 /**
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326 * @brief Enable the specified DMA Channel.
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327 * @param __HANDLE__: DMA handle
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328 * @retval None
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329 */
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330 #define __HAL_DMA_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CCR |= DMA_CCR_EN)
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331
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332 /**
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333 * @brief Disable the specified DMA Channel.
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334 * @param __HANDLE__: DMA handle
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335 * @retval None
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336 */
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337 #define __HAL_DMA_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CCR &= ~DMA_CCR_EN)
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338
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339
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340 /* Interrupt & Flag management */
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341
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342 /**
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343 * @brief Return the current DMA Channel transfer complete flag.
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344 * @param __HANDLE__: DMA handle
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345 * @retval The specified transfer complete flag index.
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346 */
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347
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348 #define __HAL_DMA_GET_TC_FLAG_INDEX(__HANDLE__) \
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349 (((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_FLAG_TC1 :\
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350 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel1))? DMA_FLAG_TC1 :\
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351 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_FLAG_TC2 :\
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352 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel2))? DMA_FLAG_TC2 :\
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353 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_TC3 :\
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354 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel3))? DMA_FLAG_TC3 :\
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355 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_TC4 :\
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356 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel4))? DMA_FLAG_TC4 :\
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357 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_FLAG_TC5 :\
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358 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel5))? DMA_FLAG_TC5 :\
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359 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_FLAG_TC6 :\
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360 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel6))? DMA_FLAG_TC6 :\
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361 DMA_FLAG_TC7)
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362
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363 /**
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364 * @brief Return the current DMA Channel half transfer complete flag.
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365 * @param __HANDLE__: DMA handle
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366 * @retval The specified half transfer complete flag index.
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367 */
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368 #define __HAL_DMA_GET_HT_FLAG_INDEX(__HANDLE__)\
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369 (((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_FLAG_HT1 :\
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370 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel1))? DMA_FLAG_HT1 :\
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371 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_FLAG_HT2 :\
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372 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel2))? DMA_FLAG_HT2 :\
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373 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_HT3 :\
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374 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel3))? DMA_FLAG_HT3 :\
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375 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_HT4 :\
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376 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel4))? DMA_FLAG_HT4 :\
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377 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_FLAG_HT5 :\
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378 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel5))? DMA_FLAG_HT5 :\
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379 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_FLAG_HT6 :\
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380 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel6))? DMA_FLAG_HT6 :\
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381 DMA_FLAG_HT7)
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382
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383 /**
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384 * @brief Return the current DMA Channel transfer error flag.
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385 * @param __HANDLE__: DMA handle
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386 * @retval The specified transfer error flag index.
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387 */
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388 #define __HAL_DMA_GET_TE_FLAG_INDEX(__HANDLE__)\
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389 (((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_FLAG_TE1 :\
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390 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel1))? DMA_FLAG_TE1 :\
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391 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_FLAG_TE2 :\
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392 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel2))? DMA_FLAG_TE2 :\
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393 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_TE3 :\
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394 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel3))? DMA_FLAG_TE3 :\
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395 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_TE4 :\
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396 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel4))? DMA_FLAG_TE4 :\
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397 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_FLAG_TE5 :\
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398 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel5))? DMA_FLAG_TE5 :\
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399 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_FLAG_TE6 :\
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400 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel6))? DMA_FLAG_TE6 :\
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401 DMA_FLAG_TE7)
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402
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403 /**
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404 * @brief Return the current DMA Channel Global interrupt flag.
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405 * @param __HANDLE__: DMA handle
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406 * @retval The specified transfer error flag index.
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407 */
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408 #define __HAL_DMA_GET_GI_FLAG_INDEX(__HANDLE__)\
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409 (((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_ISR_GIF1 :\
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410 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel1))? DMA_ISR_GIF1 :\
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411 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_ISR_GIF2 :\
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412 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel2))? DMA_ISR_GIF2 :\
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413 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_ISR_GIF3 :\
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414 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel3))? DMA_ISR_GIF3 :\
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415 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_ISR_GIF4 :\
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416 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel4))? DMA_ISR_GIF4 :\
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417 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_ISR_GIF5 :\
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418 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel5))? DMA_ISR_GIF5 :\
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419 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_ISR_GIF6 :\
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420 ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel6))? DMA_ISR_GIF6 :\
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421 DMA_ISR_GIF7)
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422
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423 /**
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424 * @brief Get the DMA Channel pending flags.
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425 * @param __HANDLE__: DMA handle
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426 * @param __FLAG__: Get the specified flag.
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427 * This parameter can be any combination of the following values:
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428 * @arg DMA_FLAG_TCx: Transfer complete flag
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429 * @arg DMA_FLAG_HTx: Half transfer complete flag
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430 * @arg DMA_FLAG_TEx: Transfer error flag
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431 * @arg DMA_FLAG_GLx: Global interrupt flag
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432 * Where x can be from 1 to 7 to select the DMA Channel x flag.
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433 * @retval The state of FLAG (SET or RESET).
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434 */
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435 #define __HAL_DMA_GET_FLAG(__HANDLE__, __FLAG__) (((uint32_t)((__HANDLE__)->Instance) > ((uint32_t)DMA1_Channel7))? \
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436 (DMA2->ISR & (__FLAG__)) : (DMA1->ISR & (__FLAG__)))
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437
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438 /**
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439 * @brief Clear the DMA Channel pending flags.
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440 * @param __HANDLE__: DMA handle
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441 * @param __FLAG__: specifies the flag to clear.
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442 * This parameter can be any combination of the following values:
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443 * @arg DMA_FLAG_TCx: Transfer complete flag
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444 * @arg DMA_FLAG_HTx: Half transfer complete flag
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445 * @arg DMA_FLAG_TEx: Transfer error flag
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446 * @arg DMA_FLAG_GLx: Global interrupt flag
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447 * Where x can be from 1 to 7 to select the DMA Channel x flag.
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448 * @retval None
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449 */
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450 #define __HAL_DMA_CLEAR_FLAG(__HANDLE__, __FLAG__) (((uint32_t)((__HANDLE__)->Instance) > ((uint32_t)DMA1_Channel7))? \
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451 (DMA2->IFCR = (__FLAG__)) : (DMA1->IFCR = (__FLAG__)))
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452
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453 /**
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454 * @brief Enable the specified DMA Channel interrupts.
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455 * @param __HANDLE__: DMA handle
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456 * @param __INTERRUPT__: specifies the DMA interrupt sources to be enabled or disabled.
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457 * This parameter can be any combination of the following values:
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458 * @arg DMA_IT_TC: Transfer complete interrupt mask
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459 * @arg DMA_IT_HT: Half transfer complete interrupt mask
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460 * @arg DMA_IT_TE: Transfer error interrupt mask
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461 * @retval None
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462 */
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463 #define __HAL_DMA_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CCR |= (__INTERRUPT__))
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464
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465 /**
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466 * @brief Disable the specified DMA Channel interrupts.
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467 * @param __HANDLE__: DMA handle
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468 * @param __INTERRUPT__: specifies the DMA interrupt sources to be enabled or disabled.
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469 * This parameter can be any combination of the following values:
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470 * @arg DMA_IT_TC: Transfer complete interrupt mask
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471 * @arg DMA_IT_HT: Half transfer complete interrupt mask
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472 * @arg DMA_IT_TE: Transfer error interrupt mask
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473 * @retval None
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474 */
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475 #define __HAL_DMA_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CCR &= ~(__INTERRUPT__))
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476
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477 /**
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478 * @brief Check whether the specified DMA Channel interrupt is enabled or not.
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479 * @param __HANDLE__: DMA handle
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480 * @param __INTERRUPT__: specifies the DMA interrupt source to check.
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481 * This parameter can be one of the following values:
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482 * @arg DMA_IT_TC: Transfer complete interrupt mask
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483 * @arg DMA_IT_HT: Half transfer complete interrupt mask
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484 * @arg DMA_IT_TE: Transfer error interrupt mask
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485 * @retval The state of DMA_IT (SET or RESET).
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486 */
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487 #define __HAL_DMA_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CCR & (__INTERRUPT__)))
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488
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489 /**
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490 * @brief Return the number of remaining data units in the current DMA Channel transfer.
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491 * @param __HANDLE__: DMA handle
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492 * @retval The number of remaining data units in the current DMA Channel transfer.
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493 */
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494 #define __HAL_DMA_GET_COUNTER(__HANDLE__) ((__HANDLE__)->Instance->CNDTR)
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495
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496 /**
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497 * @}
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|
498 */
|
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499
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500 /* Exported functions --------------------------------------------------------*/
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501
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502 /** @addtogroup DMA_Exported_Functions
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503 * @{
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504 */
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505
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506 /** @addtogroup DMA_Exported_Functions_Group1
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507 * @{
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508 */
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509 /* Initialization and de-initialization functions *****************************/
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510 HAL_StatusTypeDef HAL_DMA_Init(DMA_HandleTypeDef *hdma);
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511 HAL_StatusTypeDef HAL_DMA_DeInit (DMA_HandleTypeDef *hdma);
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512 /**
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513 * @}
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|
514 */
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515
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516 /** @addtogroup DMA_Exported_Functions_Group2
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517 * @{
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|
518 */
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519 /* IO operation functions *****************************************************/
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520 HAL_StatusTypeDef HAL_DMA_Start (DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength);
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521 HAL_StatusTypeDef HAL_DMA_Start_IT(DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength);
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522 HAL_StatusTypeDef HAL_DMA_Abort(DMA_HandleTypeDef *hdma);
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523 HAL_StatusTypeDef HAL_DMA_Abort_IT(DMA_HandleTypeDef *hdma);
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524 HAL_StatusTypeDef HAL_DMA_PollForTransfer(DMA_HandleTypeDef *hdma, uint32_t CompleteLevel, uint32_t Timeout);
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|
525 void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma);
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526 HAL_StatusTypeDef HAL_DMA_RegisterCallback(DMA_HandleTypeDef *hdma, HAL_DMA_CallbackIDTypeDef CallbackID, void (* pCallback)( DMA_HandleTypeDef * _hdma));
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|
527 HAL_StatusTypeDef HAL_DMA_UnRegisterCallback(DMA_HandleTypeDef *hdma, HAL_DMA_CallbackIDTypeDef CallbackID);
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528
|
|
529 /**
|
|
530 * @}
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|
531 */
|
|
532
|
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533 /** @addtogroup DMA_Exported_Functions_Group3
|
|
534 * @{
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|
535 */
|
|
536 /* Peripheral State and Error functions ***************************************/
|
|
537 HAL_DMA_StateTypeDef HAL_DMA_GetState(DMA_HandleTypeDef *hdma);
|
|
538 uint32_t HAL_DMA_GetError(DMA_HandleTypeDef *hdma);
|
|
539 /**
|
|
540 * @}
|
|
541 */
|
|
542
|
|
543 /**
|
|
544 * @}
|
|
545 */
|
|
546
|
|
547 /* Private macros ------------------------------------------------------------*/
|
|
548 /** @defgroup DMA_Private_Macros DMA Private Macros
|
|
549 * @{
|
|
550 */
|
|
551
|
|
552 #define IS_DMA_DIRECTION(DIRECTION) (((DIRECTION) == DMA_PERIPH_TO_MEMORY ) || \
|
|
553 ((DIRECTION) == DMA_MEMORY_TO_PERIPH) || \
|
|
554 ((DIRECTION) == DMA_MEMORY_TO_MEMORY))
|
|
555
|
|
556 #define IS_DMA_BUFFER_SIZE(SIZE) (((SIZE) >= 0x1) && ((SIZE) < 0x10000))
|
|
557
|
|
558 #define IS_DMA_PERIPHERAL_INC_STATE(STATE) (((STATE) == DMA_PINC_ENABLE) || \
|
|
559 ((STATE) == DMA_PINC_DISABLE))
|
|
560
|
|
561 #define IS_DMA_MEMORY_INC_STATE(STATE) (((STATE) == DMA_MINC_ENABLE) || \
|
|
562 ((STATE) == DMA_MINC_DISABLE))
|
|
563
|
|
564 #define IS_DMA_ALL_REQUEST(REQUEST) (((REQUEST) == DMA_REQUEST_0) || \
|
|
565 ((REQUEST) == DMA_REQUEST_1) || \
|
|
566 ((REQUEST) == DMA_REQUEST_2) || \
|
|
567 ((REQUEST) == DMA_REQUEST_3) || \
|
|
568 ((REQUEST) == DMA_REQUEST_4) || \
|
|
569 ((REQUEST) == DMA_REQUEST_5) || \
|
|
570 ((REQUEST) == DMA_REQUEST_6) || \
|
|
571 ((REQUEST) == DMA_REQUEST_7))
|
|
572
|
|
573 #define IS_DMA_PERIPHERAL_DATA_SIZE(SIZE) (((SIZE) == DMA_PDATAALIGN_BYTE) || \
|
|
574 ((SIZE) == DMA_PDATAALIGN_HALFWORD) || \
|
|
575 ((SIZE) == DMA_PDATAALIGN_WORD))
|
|
576
|
|
577 #define IS_DMA_MEMORY_DATA_SIZE(SIZE) (((SIZE) == DMA_MDATAALIGN_BYTE) || \
|
|
578 ((SIZE) == DMA_MDATAALIGN_HALFWORD) || \
|
|
579 ((SIZE) == DMA_MDATAALIGN_WORD ))
|
|
580
|
|
581 #define IS_DMA_MODE(MODE) (((MODE) == DMA_NORMAL ) || \
|
|
582 ((MODE) == DMA_CIRCULAR))
|
|
583
|
|
584 #define IS_DMA_PRIORITY(PRIORITY) (((PRIORITY) == DMA_PRIORITY_LOW ) || \
|
|
585 ((PRIORITY) == DMA_PRIORITY_MEDIUM) || \
|
|
586 ((PRIORITY) == DMA_PRIORITY_HIGH) || \
|
|
587 ((PRIORITY) == DMA_PRIORITY_VERY_HIGH))
|
|
588
|
|
589 /**
|
|
590 * @}
|
|
591 */
|
|
592
|
|
593 /* Private functions ---------------------------------------------------------*/
|
|
594
|
|
595 /**
|
|
596 * @}
|
|
597 */
|
|
598
|
|
599 /**
|
|
600 * @}
|
|
601 */
|
|
602
|
|
603 #ifdef __cplusplus
|
|
604 }
|
|
605 #endif
|
|
606
|
|
607 #endif /* __STM32L4xx_HAL_DMA_H */
|
|
608
|
|
609 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|