João Victor / stm32f4-discovery-CAN-Activation

Fork of mbed-dev by mbed official

Committer:
AnnaBridge
Date:
Wed Jun 21 17:46:44 2017 +0100
Revision:
167:e84263d55307
This updates the lib to the mbed lib v 145

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 167:e84263d55307 1 /**
AnnaBridge 167:e84263d55307 2 ******************************************************************************
AnnaBridge 167:e84263d55307 3 * @file stm32f4xx_ll_dma.c
AnnaBridge 167:e84263d55307 4 * @author MCD Application Team
AnnaBridge 167:e84263d55307 5 * @version V1.7.1
AnnaBridge 167:e84263d55307 6 * @date 14-April-2017
AnnaBridge 167:e84263d55307 7 * @brief DMA LL module driver.
AnnaBridge 167:e84263d55307 8 ******************************************************************************
AnnaBridge 167:e84263d55307 9 * @attention
AnnaBridge 167:e84263d55307 10 *
AnnaBridge 167:e84263d55307 11 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
AnnaBridge 167:e84263d55307 12 *
AnnaBridge 167:e84263d55307 13 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 167:e84263d55307 14 * are permitted provided that the following conditions are met:
AnnaBridge 167:e84263d55307 15 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 167:e84263d55307 16 * this list of conditions and the following disclaimer.
AnnaBridge 167:e84263d55307 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 167:e84263d55307 18 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 167:e84263d55307 19 * and/or other materials provided with the distribution.
AnnaBridge 167:e84263d55307 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 167:e84263d55307 21 * may be used to endorse or promote products derived from this software
AnnaBridge 167:e84263d55307 22 * without specific prior written permission.
AnnaBridge 167:e84263d55307 23 *
AnnaBridge 167:e84263d55307 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 167:e84263d55307 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 167:e84263d55307 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 167:e84263d55307 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 167:e84263d55307 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 167:e84263d55307 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 167:e84263d55307 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 167:e84263d55307 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 167:e84263d55307 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 167:e84263d55307 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 167:e84263d55307 34 *
AnnaBridge 167:e84263d55307 35 ******************************************************************************
AnnaBridge 167:e84263d55307 36 */
AnnaBridge 167:e84263d55307 37 #if defined(USE_FULL_LL_DRIVER)
AnnaBridge 167:e84263d55307 38
AnnaBridge 167:e84263d55307 39 /* Includes ------------------------------------------------------------------*/
AnnaBridge 167:e84263d55307 40 #include "stm32f4xx_ll_dma.h"
AnnaBridge 167:e84263d55307 41 #include "stm32f4xx_ll_bus.h"
AnnaBridge 167:e84263d55307 42 #ifdef USE_FULL_ASSERT
AnnaBridge 167:e84263d55307 43 #include "stm32_assert.h"
AnnaBridge 167:e84263d55307 44 #else
AnnaBridge 167:e84263d55307 45 #define assert_param(expr) ((void)0U)
AnnaBridge 167:e84263d55307 46 #endif
AnnaBridge 167:e84263d55307 47
AnnaBridge 167:e84263d55307 48 /** @addtogroup STM32F4xx_LL_Driver
AnnaBridge 167:e84263d55307 49 * @{
AnnaBridge 167:e84263d55307 50 */
AnnaBridge 167:e84263d55307 51
AnnaBridge 167:e84263d55307 52 #if defined (DMA1) || defined (DMA2)
AnnaBridge 167:e84263d55307 53
AnnaBridge 167:e84263d55307 54 /** @defgroup DMA_LL DMA
AnnaBridge 167:e84263d55307 55 * @{
AnnaBridge 167:e84263d55307 56 */
AnnaBridge 167:e84263d55307 57
AnnaBridge 167:e84263d55307 58 /* Private types -------------------------------------------------------------*/
AnnaBridge 167:e84263d55307 59 /* Private variables ---------------------------------------------------------*/
AnnaBridge 167:e84263d55307 60 /* Private constants ---------------------------------------------------------*/
AnnaBridge 167:e84263d55307 61 /* Private macros ------------------------------------------------------------*/
AnnaBridge 167:e84263d55307 62 /** @addtogroup DMA_LL_Private_Macros
AnnaBridge 167:e84263d55307 63 * @{
AnnaBridge 167:e84263d55307 64 */
AnnaBridge 167:e84263d55307 65 #define IS_LL_DMA_DIRECTION(__VALUE__) (((__VALUE__) == LL_DMA_DIRECTION_PERIPH_TO_MEMORY) || \
AnnaBridge 167:e84263d55307 66 ((__VALUE__) == LL_DMA_DIRECTION_MEMORY_TO_PERIPH) || \
AnnaBridge 167:e84263d55307 67 ((__VALUE__) == LL_DMA_DIRECTION_MEMORY_TO_MEMORY))
AnnaBridge 167:e84263d55307 68
AnnaBridge 167:e84263d55307 69 #define IS_LL_DMA_MODE(__VALUE__) (((__VALUE__) == LL_DMA_MODE_NORMAL) || \
AnnaBridge 167:e84263d55307 70 ((__VALUE__) == LL_DMA_MODE_CIRCULAR) || \
AnnaBridge 167:e84263d55307 71 ((__VALUE__) == LL_DMA_MODE_PFCTRL))
AnnaBridge 167:e84263d55307 72
AnnaBridge 167:e84263d55307 73 #define IS_LL_DMA_PERIPHINCMODE(__VALUE__) (((__VALUE__) == LL_DMA_PERIPH_INCREMENT) || \
AnnaBridge 167:e84263d55307 74 ((__VALUE__) == LL_DMA_PERIPH_NOINCREMENT))
AnnaBridge 167:e84263d55307 75
AnnaBridge 167:e84263d55307 76 #define IS_LL_DMA_MEMORYINCMODE(__VALUE__) (((__VALUE__) == LL_DMA_MEMORY_INCREMENT) || \
AnnaBridge 167:e84263d55307 77 ((__VALUE__) == LL_DMA_MEMORY_NOINCREMENT))
AnnaBridge 167:e84263d55307 78
AnnaBridge 167:e84263d55307 79 #define IS_LL_DMA_PERIPHDATASIZE(__VALUE__) (((__VALUE__) == LL_DMA_PDATAALIGN_BYTE) || \
AnnaBridge 167:e84263d55307 80 ((__VALUE__) == LL_DMA_PDATAALIGN_HALFWORD) || \
AnnaBridge 167:e84263d55307 81 ((__VALUE__) == LL_DMA_PDATAALIGN_WORD))
AnnaBridge 167:e84263d55307 82
AnnaBridge 167:e84263d55307 83 #define IS_LL_DMA_MEMORYDATASIZE(__VALUE__) (((__VALUE__) == LL_DMA_MDATAALIGN_BYTE) || \
AnnaBridge 167:e84263d55307 84 ((__VALUE__) == LL_DMA_MDATAALIGN_HALFWORD) || \
AnnaBridge 167:e84263d55307 85 ((__VALUE__) == LL_DMA_MDATAALIGN_WORD))
AnnaBridge 167:e84263d55307 86
AnnaBridge 167:e84263d55307 87 #define IS_LL_DMA_NBDATA(__VALUE__) ((__VALUE__) <= 0x0000FFFFU)
AnnaBridge 167:e84263d55307 88
AnnaBridge 167:e84263d55307 89 #define IS_LL_DMA_CHANNEL(__VALUE__) (((__VALUE__) == LL_DMA_CHANNEL_0) || \
AnnaBridge 167:e84263d55307 90 ((__VALUE__) == LL_DMA_CHANNEL_1) || \
AnnaBridge 167:e84263d55307 91 ((__VALUE__) == LL_DMA_CHANNEL_2) || \
AnnaBridge 167:e84263d55307 92 ((__VALUE__) == LL_DMA_CHANNEL_3) || \
AnnaBridge 167:e84263d55307 93 ((__VALUE__) == LL_DMA_CHANNEL_4) || \
AnnaBridge 167:e84263d55307 94 ((__VALUE__) == LL_DMA_CHANNEL_5) || \
AnnaBridge 167:e84263d55307 95 ((__VALUE__) == LL_DMA_CHANNEL_6) || \
AnnaBridge 167:e84263d55307 96 ((__VALUE__) == LL_DMA_CHANNEL_7))
AnnaBridge 167:e84263d55307 97
AnnaBridge 167:e84263d55307 98 #define IS_LL_DMA_PRIORITY(__VALUE__) (((__VALUE__) == LL_DMA_PRIORITY_LOW) || \
AnnaBridge 167:e84263d55307 99 ((__VALUE__) == LL_DMA_PRIORITY_MEDIUM) || \
AnnaBridge 167:e84263d55307 100 ((__VALUE__) == LL_DMA_PRIORITY_HIGH) || \
AnnaBridge 167:e84263d55307 101 ((__VALUE__) == LL_DMA_PRIORITY_VERYHIGH))
AnnaBridge 167:e84263d55307 102
AnnaBridge 167:e84263d55307 103 #define IS_LL_DMA_ALL_STREAM_INSTANCE(INSTANCE, STREAM) ((((INSTANCE) == DMA1) && \
AnnaBridge 167:e84263d55307 104 (((STREAM) == LL_DMA_STREAM_0) || \
AnnaBridge 167:e84263d55307 105 ((STREAM) == LL_DMA_STREAM_1) || \
AnnaBridge 167:e84263d55307 106 ((STREAM) == LL_DMA_STREAM_2) || \
AnnaBridge 167:e84263d55307 107 ((STREAM) == LL_DMA_STREAM_3) || \
AnnaBridge 167:e84263d55307 108 ((STREAM) == LL_DMA_STREAM_4) || \
AnnaBridge 167:e84263d55307 109 ((STREAM) == LL_DMA_STREAM_5) || \
AnnaBridge 167:e84263d55307 110 ((STREAM) == LL_DMA_STREAM_6) || \
AnnaBridge 167:e84263d55307 111 ((STREAM) == LL_DMA_STREAM_7) || \
AnnaBridge 167:e84263d55307 112 ((STREAM) == LL_DMA_STREAM_ALL))) ||\
AnnaBridge 167:e84263d55307 113 (((INSTANCE) == DMA2) && \
AnnaBridge 167:e84263d55307 114 (((STREAM) == LL_DMA_STREAM_0) || \
AnnaBridge 167:e84263d55307 115 ((STREAM) == LL_DMA_STREAM_1) || \
AnnaBridge 167:e84263d55307 116 ((STREAM) == LL_DMA_STREAM_2) || \
AnnaBridge 167:e84263d55307 117 ((STREAM) == LL_DMA_STREAM_3) || \
AnnaBridge 167:e84263d55307 118 ((STREAM) == LL_DMA_STREAM_4) || \
AnnaBridge 167:e84263d55307 119 ((STREAM) == LL_DMA_STREAM_5) || \
AnnaBridge 167:e84263d55307 120 ((STREAM) == LL_DMA_STREAM_6) || \
AnnaBridge 167:e84263d55307 121 ((STREAM) == LL_DMA_STREAM_7) || \
AnnaBridge 167:e84263d55307 122 ((STREAM) == LL_DMA_STREAM_ALL))))
AnnaBridge 167:e84263d55307 123
AnnaBridge 167:e84263d55307 124 #define IS_LL_DMA_FIFO_MODE_STATE(STATE) (((STATE) == LL_DMA_FIFOMODE_DISABLE ) || \
AnnaBridge 167:e84263d55307 125 ((STATE) == LL_DMA_FIFOMODE_ENABLE))
AnnaBridge 167:e84263d55307 126
AnnaBridge 167:e84263d55307 127 #define IS_LL_DMA_FIFO_THRESHOLD(THRESHOLD) (((THRESHOLD) == LL_DMA_FIFOTHRESHOLD_1_4) || \
AnnaBridge 167:e84263d55307 128 ((THRESHOLD) == LL_DMA_FIFOTHRESHOLD_1_2) || \
AnnaBridge 167:e84263d55307 129 ((THRESHOLD) == LL_DMA_FIFOTHRESHOLD_3_4) || \
AnnaBridge 167:e84263d55307 130 ((THRESHOLD) == LL_DMA_FIFOTHRESHOLD_FULL))
AnnaBridge 167:e84263d55307 131
AnnaBridge 167:e84263d55307 132 #define IS_LL_DMA_MEMORY_BURST(BURST) (((BURST) == LL_DMA_MBURST_SINGLE) || \
AnnaBridge 167:e84263d55307 133 ((BURST) == LL_DMA_MBURST_INC4) || \
AnnaBridge 167:e84263d55307 134 ((BURST) == LL_DMA_MBURST_INC8) || \
AnnaBridge 167:e84263d55307 135 ((BURST) == LL_DMA_MBURST_INC16))
AnnaBridge 167:e84263d55307 136
AnnaBridge 167:e84263d55307 137 #define IS_LL_DMA_PERIPHERAL_BURST(BURST) (((BURST) == LL_DMA_PBURST_SINGLE) || \
AnnaBridge 167:e84263d55307 138 ((BURST) == LL_DMA_PBURST_INC4) || \
AnnaBridge 167:e84263d55307 139 ((BURST) == LL_DMA_PBURST_INC8) || \
AnnaBridge 167:e84263d55307 140 ((BURST) == LL_DMA_PBURST_INC16))
AnnaBridge 167:e84263d55307 141
AnnaBridge 167:e84263d55307 142 /**
AnnaBridge 167:e84263d55307 143 * @}
AnnaBridge 167:e84263d55307 144 */
AnnaBridge 167:e84263d55307 145
AnnaBridge 167:e84263d55307 146 /* Private function prototypes -----------------------------------------------*/
AnnaBridge 167:e84263d55307 147
AnnaBridge 167:e84263d55307 148 /* Exported functions --------------------------------------------------------*/
AnnaBridge 167:e84263d55307 149 /** @addtogroup DMA_LL_Exported_Functions
AnnaBridge 167:e84263d55307 150 * @{
AnnaBridge 167:e84263d55307 151 */
AnnaBridge 167:e84263d55307 152
AnnaBridge 167:e84263d55307 153 /** @addtogroup DMA_LL_EF_Init
AnnaBridge 167:e84263d55307 154 * @{
AnnaBridge 167:e84263d55307 155 */
AnnaBridge 167:e84263d55307 156
AnnaBridge 167:e84263d55307 157 /**
AnnaBridge 167:e84263d55307 158 * @brief De-initialize the DMA registers to their default reset values.
AnnaBridge 167:e84263d55307 159 * @param DMAx DMAx Instance
AnnaBridge 167:e84263d55307 160 * @param Stream This parameter can be one of the following values:
AnnaBridge 167:e84263d55307 161 * @arg @ref LL_DMA_STREAM_0
AnnaBridge 167:e84263d55307 162 * @arg @ref LL_DMA_STREAM_1
AnnaBridge 167:e84263d55307 163 * @arg @ref LL_DMA_STREAM_2
AnnaBridge 167:e84263d55307 164 * @arg @ref LL_DMA_STREAM_3
AnnaBridge 167:e84263d55307 165 * @arg @ref LL_DMA_STREAM_4
AnnaBridge 167:e84263d55307 166 * @arg @ref LL_DMA_STREAM_5
AnnaBridge 167:e84263d55307 167 * @arg @ref LL_DMA_STREAM_6
AnnaBridge 167:e84263d55307 168 * @arg @ref LL_DMA_STREAM_7
AnnaBridge 167:e84263d55307 169 * @arg @ref LL_DMA_STREAM_ALL
AnnaBridge 167:e84263d55307 170 * @retval An ErrorStatus enumeration value:
AnnaBridge 167:e84263d55307 171 * - SUCCESS: DMA registers are de-initialized
AnnaBridge 167:e84263d55307 172 * - ERROR: DMA registers are not de-initialized
AnnaBridge 167:e84263d55307 173 */
AnnaBridge 167:e84263d55307 174 uint32_t LL_DMA_DeInit(DMA_TypeDef *DMAx, uint32_t Stream)
AnnaBridge 167:e84263d55307 175 {
AnnaBridge 167:e84263d55307 176 DMA_Stream_TypeDef *tmp = (DMA_Stream_TypeDef *)DMA1_Stream0;
AnnaBridge 167:e84263d55307 177 ErrorStatus status = SUCCESS;
AnnaBridge 167:e84263d55307 178
AnnaBridge 167:e84263d55307 179 /* Check the DMA Instance DMAx and Stream parameters*/
AnnaBridge 167:e84263d55307 180 assert_param(IS_LL_DMA_ALL_STREAM_INSTANCE(DMAx, Stream));
AnnaBridge 167:e84263d55307 181
AnnaBridge 167:e84263d55307 182 if (Stream == LL_DMA_STREAM_ALL)
AnnaBridge 167:e84263d55307 183 {
AnnaBridge 167:e84263d55307 184 if (DMAx == DMA1)
AnnaBridge 167:e84263d55307 185 {
AnnaBridge 167:e84263d55307 186 /* Force reset of DMA clock */
AnnaBridge 167:e84263d55307 187 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_DMA1);
AnnaBridge 167:e84263d55307 188
AnnaBridge 167:e84263d55307 189 /* Release reset of DMA clock */
AnnaBridge 167:e84263d55307 190 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_DMA1);
AnnaBridge 167:e84263d55307 191 }
AnnaBridge 167:e84263d55307 192 else if (DMAx == DMA2)
AnnaBridge 167:e84263d55307 193 {
AnnaBridge 167:e84263d55307 194 /* Force reset of DMA clock */
AnnaBridge 167:e84263d55307 195 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_DMA2);
AnnaBridge 167:e84263d55307 196
AnnaBridge 167:e84263d55307 197 /* Release reset of DMA clock */
AnnaBridge 167:e84263d55307 198 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_DMA2);
AnnaBridge 167:e84263d55307 199 }
AnnaBridge 167:e84263d55307 200 else
AnnaBridge 167:e84263d55307 201 {
AnnaBridge 167:e84263d55307 202 status = ERROR;
AnnaBridge 167:e84263d55307 203 }
AnnaBridge 167:e84263d55307 204 }
AnnaBridge 167:e84263d55307 205 else
AnnaBridge 167:e84263d55307 206 {
AnnaBridge 167:e84263d55307 207 /* Disable the selected Stream */
AnnaBridge 167:e84263d55307 208 LL_DMA_DisableStream(DMAx,Stream);
AnnaBridge 167:e84263d55307 209
AnnaBridge 167:e84263d55307 210 /* Get the DMA Stream Instance */
AnnaBridge 167:e84263d55307 211 tmp = (DMA_Stream_TypeDef *)(__LL_DMA_GET_STREAM_INSTANCE(DMAx, Stream));
AnnaBridge 167:e84263d55307 212
AnnaBridge 167:e84263d55307 213 /* Reset DMAx_Streamy configuration register */
AnnaBridge 167:e84263d55307 214 LL_DMA_WriteReg(tmp, CR, 0U);
AnnaBridge 167:e84263d55307 215
AnnaBridge 167:e84263d55307 216 /* Reset DMAx_Streamy remaining bytes register */
AnnaBridge 167:e84263d55307 217 LL_DMA_WriteReg(tmp, NDTR, 0U);
AnnaBridge 167:e84263d55307 218
AnnaBridge 167:e84263d55307 219 /* Reset DMAx_Streamy peripheral address register */
AnnaBridge 167:e84263d55307 220 LL_DMA_WriteReg(tmp, PAR, 0U);
AnnaBridge 167:e84263d55307 221
AnnaBridge 167:e84263d55307 222 /* Reset DMAx_Streamy memory address register */
AnnaBridge 167:e84263d55307 223 LL_DMA_WriteReg(tmp, M0AR, 0U);
AnnaBridge 167:e84263d55307 224
AnnaBridge 167:e84263d55307 225 /* Reset DMAx_Streamy memory address register */
AnnaBridge 167:e84263d55307 226 LL_DMA_WriteReg(tmp, M1AR, 0U);
AnnaBridge 167:e84263d55307 227
AnnaBridge 167:e84263d55307 228 /* Reset DMAx_Streamy FIFO control register */
AnnaBridge 167:e84263d55307 229 LL_DMA_WriteReg(tmp, FCR, 0x00000021U);
AnnaBridge 167:e84263d55307 230
AnnaBridge 167:e84263d55307 231 /* Reset Channel register field for DMAx Stream*/
AnnaBridge 167:e84263d55307 232 LL_DMA_SetChannelSelection(DMAx, Stream, LL_DMA_CHANNEL_0);
AnnaBridge 167:e84263d55307 233
AnnaBridge 167:e84263d55307 234 if(Stream == LL_DMA_STREAM_0)
AnnaBridge 167:e84263d55307 235 {
AnnaBridge 167:e84263d55307 236 /* Reset the Stream0 pending flags */
AnnaBridge 167:e84263d55307 237 DMAx->LIFCR = 0x0000003FU;
AnnaBridge 167:e84263d55307 238 }
AnnaBridge 167:e84263d55307 239 else if(Stream == LL_DMA_STREAM_1)
AnnaBridge 167:e84263d55307 240 {
AnnaBridge 167:e84263d55307 241 /* Reset the Stream1 pending flags */
AnnaBridge 167:e84263d55307 242 DMAx->LIFCR = 0x00000F40U;
AnnaBridge 167:e84263d55307 243 }
AnnaBridge 167:e84263d55307 244 else if(Stream == LL_DMA_STREAM_2)
AnnaBridge 167:e84263d55307 245 {
AnnaBridge 167:e84263d55307 246 /* Reset the Stream2 pending flags */
AnnaBridge 167:e84263d55307 247 DMAx->LIFCR = 0x003F0000U;
AnnaBridge 167:e84263d55307 248 }
AnnaBridge 167:e84263d55307 249 else if(Stream == LL_DMA_STREAM_3)
AnnaBridge 167:e84263d55307 250 {
AnnaBridge 167:e84263d55307 251 /* Reset the Stream3 pending flags */
AnnaBridge 167:e84263d55307 252 DMAx->LIFCR = 0x0F400000U;
AnnaBridge 167:e84263d55307 253 }
AnnaBridge 167:e84263d55307 254 else if(Stream == LL_DMA_STREAM_4)
AnnaBridge 167:e84263d55307 255 {
AnnaBridge 167:e84263d55307 256 /* Reset the Stream4 pending flags */
AnnaBridge 167:e84263d55307 257 DMAx->HIFCR = 0x0000003FU;
AnnaBridge 167:e84263d55307 258 }
AnnaBridge 167:e84263d55307 259 else if(Stream == LL_DMA_STREAM_5)
AnnaBridge 167:e84263d55307 260 {
AnnaBridge 167:e84263d55307 261 /* Reset the Stream5 pending flags */
AnnaBridge 167:e84263d55307 262 DMAx->HIFCR = 0x00000F40U;
AnnaBridge 167:e84263d55307 263 }
AnnaBridge 167:e84263d55307 264 else if(Stream == LL_DMA_STREAM_6)
AnnaBridge 167:e84263d55307 265 {
AnnaBridge 167:e84263d55307 266 /* Reset the Stream6 pending flags */
AnnaBridge 167:e84263d55307 267 DMAx->HIFCR = 0x003F0000U;
AnnaBridge 167:e84263d55307 268 }
AnnaBridge 167:e84263d55307 269 else if(Stream == LL_DMA_STREAM_7)
AnnaBridge 167:e84263d55307 270 {
AnnaBridge 167:e84263d55307 271 /* Reset the Stream7 pending flags */
AnnaBridge 167:e84263d55307 272 DMAx->HIFCR = 0x0F400000U;
AnnaBridge 167:e84263d55307 273 }
AnnaBridge 167:e84263d55307 274 else
AnnaBridge 167:e84263d55307 275 {
AnnaBridge 167:e84263d55307 276 status = ERROR;
AnnaBridge 167:e84263d55307 277 }
AnnaBridge 167:e84263d55307 278 }
AnnaBridge 167:e84263d55307 279
AnnaBridge 167:e84263d55307 280 return status;
AnnaBridge 167:e84263d55307 281 }
AnnaBridge 167:e84263d55307 282
AnnaBridge 167:e84263d55307 283 /**
AnnaBridge 167:e84263d55307 284 * @brief Initialize the DMA registers according to the specified parameters in DMA_InitStruct.
AnnaBridge 167:e84263d55307 285 * @note To convert DMAx_Streamy Instance to DMAx Instance and Streamy, use helper macros :
AnnaBridge 167:e84263d55307 286 * @arg @ref __LL_DMA_GET_INSTANCE
AnnaBridge 167:e84263d55307 287 * @arg @ref __LL_DMA_GET_STREAM
AnnaBridge 167:e84263d55307 288 * @param DMAx DMAx Instance
AnnaBridge 167:e84263d55307 289 * @param Stream This parameter can be one of the following values:
AnnaBridge 167:e84263d55307 290 * @arg @ref LL_DMA_STREAM_0
AnnaBridge 167:e84263d55307 291 * @arg @ref LL_DMA_STREAM_1
AnnaBridge 167:e84263d55307 292 * @arg @ref LL_DMA_STREAM_2
AnnaBridge 167:e84263d55307 293 * @arg @ref LL_DMA_STREAM_3
AnnaBridge 167:e84263d55307 294 * @arg @ref LL_DMA_STREAM_4
AnnaBridge 167:e84263d55307 295 * @arg @ref LL_DMA_STREAM_5
AnnaBridge 167:e84263d55307 296 * @arg @ref LL_DMA_STREAM_6
AnnaBridge 167:e84263d55307 297 * @arg @ref LL_DMA_STREAM_7
AnnaBridge 167:e84263d55307 298 * @param DMA_InitStruct pointer to a @ref LL_DMA_InitTypeDef structure.
AnnaBridge 167:e84263d55307 299 * @retval An ErrorStatus enumeration value:
AnnaBridge 167:e84263d55307 300 * - SUCCESS: DMA registers are initialized
AnnaBridge 167:e84263d55307 301 * - ERROR: Not applicable
AnnaBridge 167:e84263d55307 302 */
AnnaBridge 167:e84263d55307 303 uint32_t LL_DMA_Init(DMA_TypeDef *DMAx, uint32_t Stream, LL_DMA_InitTypeDef *DMA_InitStruct)
AnnaBridge 167:e84263d55307 304 {
AnnaBridge 167:e84263d55307 305 /* Check the DMA Instance DMAx and Stream parameters*/
AnnaBridge 167:e84263d55307 306 assert_param(IS_LL_DMA_ALL_STREAM_INSTANCE(DMAx, Stream));
AnnaBridge 167:e84263d55307 307
AnnaBridge 167:e84263d55307 308 /* Check the DMA parameters from DMA_InitStruct */
AnnaBridge 167:e84263d55307 309 assert_param(IS_LL_DMA_DIRECTION(DMA_InitStruct->Direction));
AnnaBridge 167:e84263d55307 310 assert_param(IS_LL_DMA_MODE(DMA_InitStruct->Mode));
AnnaBridge 167:e84263d55307 311 assert_param(IS_LL_DMA_PERIPHINCMODE(DMA_InitStruct->PeriphOrM2MSrcIncMode));
AnnaBridge 167:e84263d55307 312 assert_param(IS_LL_DMA_MEMORYINCMODE(DMA_InitStruct->MemoryOrM2MDstIncMode));
AnnaBridge 167:e84263d55307 313 assert_param(IS_LL_DMA_PERIPHDATASIZE(DMA_InitStruct->PeriphOrM2MSrcDataSize));
AnnaBridge 167:e84263d55307 314 assert_param(IS_LL_DMA_MEMORYDATASIZE(DMA_InitStruct->MemoryOrM2MDstDataSize));
AnnaBridge 167:e84263d55307 315 assert_param(IS_LL_DMA_NBDATA(DMA_InitStruct->NbData));
AnnaBridge 167:e84263d55307 316 assert_param(IS_LL_DMA_CHANNEL(DMA_InitStruct->Channel));
AnnaBridge 167:e84263d55307 317 assert_param(IS_LL_DMA_PRIORITY(DMA_InitStruct->Priority));
AnnaBridge 167:e84263d55307 318 assert_param(IS_LL_DMA_FIFO_MODE_STATE(DMA_InitStruct->FIFOMode));
AnnaBridge 167:e84263d55307 319 /* Check the memory burst, peripheral burst and FIFO threshold parameters only
AnnaBridge 167:e84263d55307 320 when FIFO mode is enabled */
AnnaBridge 167:e84263d55307 321 if(DMA_InitStruct->FIFOMode != LL_DMA_FIFOMODE_DISABLE)
AnnaBridge 167:e84263d55307 322 {
AnnaBridge 167:e84263d55307 323 assert_param(IS_LL_DMA_FIFO_THRESHOLD(DMA_InitStruct->FIFOThreshold));
AnnaBridge 167:e84263d55307 324 assert_param(IS_LL_DMA_MEMORY_BURST(DMA_InitStruct->MemBurst));
AnnaBridge 167:e84263d55307 325 assert_param(IS_LL_DMA_PERIPHERAL_BURST(DMA_InitStruct->PeriphBurst));
AnnaBridge 167:e84263d55307 326 }
AnnaBridge 167:e84263d55307 327
AnnaBridge 167:e84263d55307 328 /*---------------------------- DMAx SxCR Configuration ------------------------
AnnaBridge 167:e84263d55307 329 * Configure DMAx_Streamy: data transfer direction, data transfer mode,
AnnaBridge 167:e84263d55307 330 * peripheral and memory increment mode,
AnnaBridge 167:e84263d55307 331 * data size alignment and priority level with parameters :
AnnaBridge 167:e84263d55307 332 * - Direction: DMA_SxCR_DIR[1:0] bits
AnnaBridge 167:e84263d55307 333 * - Mode: DMA_SxCR_CIRC bit
AnnaBridge 167:e84263d55307 334 * - PeriphOrM2MSrcIncMode: DMA_SxCR_PINC bit
AnnaBridge 167:e84263d55307 335 * - MemoryOrM2MDstIncMode: DMA_SxCR_MINC bit
AnnaBridge 167:e84263d55307 336 * - PeriphOrM2MSrcDataSize: DMA_SxCR_PSIZE[1:0] bits
AnnaBridge 167:e84263d55307 337 * - MemoryOrM2MDstDataSize: DMA_SxCR_MSIZE[1:0] bits
AnnaBridge 167:e84263d55307 338 * - Priority: DMA_SxCR_PL[1:0] bits
AnnaBridge 167:e84263d55307 339 */
AnnaBridge 167:e84263d55307 340 LL_DMA_ConfigTransfer(DMAx, Stream, DMA_InitStruct->Direction | \
AnnaBridge 167:e84263d55307 341 DMA_InitStruct->Mode | \
AnnaBridge 167:e84263d55307 342 DMA_InitStruct->PeriphOrM2MSrcIncMode | \
AnnaBridge 167:e84263d55307 343 DMA_InitStruct->MemoryOrM2MDstIncMode | \
AnnaBridge 167:e84263d55307 344 DMA_InitStruct->PeriphOrM2MSrcDataSize | \
AnnaBridge 167:e84263d55307 345 DMA_InitStruct->MemoryOrM2MDstDataSize | \
AnnaBridge 167:e84263d55307 346 DMA_InitStruct->Priority
AnnaBridge 167:e84263d55307 347 );
AnnaBridge 167:e84263d55307 348
AnnaBridge 167:e84263d55307 349 if(DMA_InitStruct->FIFOMode != LL_DMA_FIFOMODE_DISABLE)
AnnaBridge 167:e84263d55307 350 {
AnnaBridge 167:e84263d55307 351 /*---------------------------- DMAx SxFCR Configuration ------------------------
AnnaBridge 167:e84263d55307 352 * Configure DMAx_Streamy: fifo mode and fifo threshold with parameters :
AnnaBridge 167:e84263d55307 353 * - FIFOMode: DMA_SxFCR_DMDIS bit
AnnaBridge 167:e84263d55307 354 * - FIFOThreshold: DMA_SxFCR_FTH[1:0] bits
AnnaBridge 167:e84263d55307 355 */
AnnaBridge 167:e84263d55307 356 LL_DMA_ConfigFifo(DMAx, Stream, DMA_InitStruct->FIFOMode, DMA_InitStruct->FIFOThreshold);
AnnaBridge 167:e84263d55307 357
AnnaBridge 167:e84263d55307 358 /*---------------------------- DMAx SxCR Configuration --------------------------
AnnaBridge 167:e84263d55307 359 * Configure DMAx_Streamy: memory burst transfer with parameters :
AnnaBridge 167:e84263d55307 360 * - MemBurst: DMA_SxCR_MBURST[1:0] bits
AnnaBridge 167:e84263d55307 361 */
AnnaBridge 167:e84263d55307 362 LL_DMA_SetMemoryBurstxfer(DMAx,Stream,DMA_InitStruct->MemBurst);
AnnaBridge 167:e84263d55307 363
AnnaBridge 167:e84263d55307 364 /*---------------------------- DMAx SxCR Configuration --------------------------
AnnaBridge 167:e84263d55307 365 * Configure DMAx_Streamy: peripheral burst transfer with parameters :
AnnaBridge 167:e84263d55307 366 * - PeriphBurst: DMA_SxCR_PBURST[1:0] bits
AnnaBridge 167:e84263d55307 367 */
AnnaBridge 167:e84263d55307 368 LL_DMA_SetPeriphBurstxfer(DMAx,Stream,DMA_InitStruct->PeriphBurst);
AnnaBridge 167:e84263d55307 369 }
AnnaBridge 167:e84263d55307 370
AnnaBridge 167:e84263d55307 371 /*-------------------------- DMAx SxM0AR Configuration --------------------------
AnnaBridge 167:e84263d55307 372 * Configure the memory or destination base address with parameter :
AnnaBridge 167:e84263d55307 373 * - MemoryOrM2MDstAddress: DMA_SxM0AR_M0A[31:0] bits
AnnaBridge 167:e84263d55307 374 */
AnnaBridge 167:e84263d55307 375 LL_DMA_SetMemoryAddress(DMAx, Stream, DMA_InitStruct->MemoryOrM2MDstAddress);
AnnaBridge 167:e84263d55307 376
AnnaBridge 167:e84263d55307 377 /*-------------------------- DMAx SxPAR Configuration ---------------------------
AnnaBridge 167:e84263d55307 378 * Configure the peripheral or source base address with parameter :
AnnaBridge 167:e84263d55307 379 * - PeriphOrM2MSrcAddress: DMA_SxPAR_PA[31:0] bits
AnnaBridge 167:e84263d55307 380 */
AnnaBridge 167:e84263d55307 381 LL_DMA_SetPeriphAddress(DMAx, Stream, DMA_InitStruct->PeriphOrM2MSrcAddress);
AnnaBridge 167:e84263d55307 382
AnnaBridge 167:e84263d55307 383 /*--------------------------- DMAx SxNDTR Configuration -------------------------
AnnaBridge 167:e84263d55307 384 * Configure the peripheral base address with parameter :
AnnaBridge 167:e84263d55307 385 * - NbData: DMA_SxNDT[15:0] bits
AnnaBridge 167:e84263d55307 386 */
AnnaBridge 167:e84263d55307 387 LL_DMA_SetDataLength(DMAx, Stream, DMA_InitStruct->NbData);
AnnaBridge 167:e84263d55307 388
AnnaBridge 167:e84263d55307 389 /*--------------------------- DMA SxCR_CHSEL Configuration ----------------------
AnnaBridge 167:e84263d55307 390 * Configure the peripheral base address with parameter :
AnnaBridge 167:e84263d55307 391 * - PeriphRequest: DMA_SxCR_CHSEL[2:0] bits
AnnaBridge 167:e84263d55307 392 */
AnnaBridge 167:e84263d55307 393 LL_DMA_SetChannelSelection(DMAx, Stream, DMA_InitStruct->Channel);
AnnaBridge 167:e84263d55307 394
AnnaBridge 167:e84263d55307 395 return SUCCESS;
AnnaBridge 167:e84263d55307 396 }
AnnaBridge 167:e84263d55307 397
AnnaBridge 167:e84263d55307 398 /**
AnnaBridge 167:e84263d55307 399 * @brief Set each @ref LL_DMA_InitTypeDef field to default value.
AnnaBridge 167:e84263d55307 400 * @param DMA_InitStruct Pointer to a @ref LL_DMA_InitTypeDef structure.
AnnaBridge 167:e84263d55307 401 * @retval None
AnnaBridge 167:e84263d55307 402 */
AnnaBridge 167:e84263d55307 403 void LL_DMA_StructInit(LL_DMA_InitTypeDef *DMA_InitStruct)
AnnaBridge 167:e84263d55307 404 {
AnnaBridge 167:e84263d55307 405 /* Set DMA_InitStruct fields to default values */
AnnaBridge 167:e84263d55307 406 DMA_InitStruct->PeriphOrM2MSrcAddress = 0x00000000U;
AnnaBridge 167:e84263d55307 407 DMA_InitStruct->MemoryOrM2MDstAddress = 0x00000000U;
AnnaBridge 167:e84263d55307 408 DMA_InitStruct->Direction = LL_DMA_DIRECTION_PERIPH_TO_MEMORY;
AnnaBridge 167:e84263d55307 409 DMA_InitStruct->Mode = LL_DMA_MODE_NORMAL;
AnnaBridge 167:e84263d55307 410 DMA_InitStruct->PeriphOrM2MSrcIncMode = LL_DMA_PERIPH_NOINCREMENT;
AnnaBridge 167:e84263d55307 411 DMA_InitStruct->MemoryOrM2MDstIncMode = LL_DMA_MEMORY_NOINCREMENT;
AnnaBridge 167:e84263d55307 412 DMA_InitStruct->PeriphOrM2MSrcDataSize = LL_DMA_PDATAALIGN_BYTE;
AnnaBridge 167:e84263d55307 413 DMA_InitStruct->MemoryOrM2MDstDataSize = LL_DMA_MDATAALIGN_BYTE;
AnnaBridge 167:e84263d55307 414 DMA_InitStruct->NbData = 0x00000000U;
AnnaBridge 167:e84263d55307 415 DMA_InitStruct->Channel = LL_DMA_CHANNEL_0;
AnnaBridge 167:e84263d55307 416 DMA_InitStruct->Priority = LL_DMA_PRIORITY_LOW;
AnnaBridge 167:e84263d55307 417 DMA_InitStruct->FIFOMode = LL_DMA_FIFOMODE_DISABLE;
AnnaBridge 167:e84263d55307 418 DMA_InitStruct->FIFOThreshold = LL_DMA_FIFOTHRESHOLD_1_4;
AnnaBridge 167:e84263d55307 419 DMA_InitStruct->MemBurst = LL_DMA_MBURST_SINGLE;
AnnaBridge 167:e84263d55307 420 DMA_InitStruct->PeriphBurst = LL_DMA_PBURST_SINGLE;
AnnaBridge 167:e84263d55307 421 }
AnnaBridge 167:e84263d55307 422
AnnaBridge 167:e84263d55307 423 /**
AnnaBridge 167:e84263d55307 424 * @}
AnnaBridge 167:e84263d55307 425 */
AnnaBridge 167:e84263d55307 426
AnnaBridge 167:e84263d55307 427 /**
AnnaBridge 167:e84263d55307 428 * @}
AnnaBridge 167:e84263d55307 429 */
AnnaBridge 167:e84263d55307 430
AnnaBridge 167:e84263d55307 431 /**
AnnaBridge 167:e84263d55307 432 * @}
AnnaBridge 167:e84263d55307 433 */
AnnaBridge 167:e84263d55307 434
AnnaBridge 167:e84263d55307 435 #endif /* DMA1 || DMA2 */
AnnaBridge 167:e84263d55307 436
AnnaBridge 167:e84263d55307 437 /**
AnnaBridge 167:e84263d55307 438 * @}
AnnaBridge 167:e84263d55307 439 */
AnnaBridge 167:e84263d55307 440
AnnaBridge 167:e84263d55307 441 #endif /* USE_FULL_LL_DRIVER */
AnnaBridge 167:e84263d55307 442
AnnaBridge 167:e84263d55307 443 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/