mbed library sources

Dependents:   frdm_kl05z_gpio_test

Fork of mbed-src by mbed official

Committer:
shaoziyang
Date:
Sat Sep 13 14:25:46 2014 +0000
Revision:
323:9e901b0a5aa1
Parent:
126:549ba18ddd81
test with CLOCK_SETUP = 0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 126:549ba18ddd81 1 /**
mbed_official 126:549ba18ddd81 2 ******************************************************************************
mbed_official 126:549ba18ddd81 3 * @file stm32f10x_dma.c
mbed_official 126:549ba18ddd81 4 * @author MCD Application Team
mbed_official 126:549ba18ddd81 5 * @version V3.6.1
mbed_official 126:549ba18ddd81 6 * @date 05-March-2012
mbed_official 126:549ba18ddd81 7 * @brief This file provides all the DMA firmware functions.
mbed_official 126:549ba18ddd81 8 *******************************************************************************
mbed_official 126:549ba18ddd81 9 * Copyright (c) 2014, STMicroelectronics
mbed_official 126:549ba18ddd81 10 * All rights reserved.
mbed_official 126:549ba18ddd81 11 *
mbed_official 126:549ba18ddd81 12 * Redistribution and use in source and binary forms, with or without
mbed_official 126:549ba18ddd81 13 * modification, are permitted provided that the following conditions are met:
mbed_official 126:549ba18ddd81 14 *
mbed_official 126:549ba18ddd81 15 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 126:549ba18ddd81 16 * this list of conditions and the following disclaimer.
mbed_official 126:549ba18ddd81 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 126:549ba18ddd81 18 * this list of conditions and the following disclaimer in the documentation
mbed_official 126:549ba18ddd81 19 * and/or other materials provided with the distribution.
mbed_official 126:549ba18ddd81 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 126:549ba18ddd81 21 * may be used to endorse or promote products derived from this software
mbed_official 126:549ba18ddd81 22 * without specific prior written permission.
mbed_official 126:549ba18ddd81 23 *
mbed_official 126:549ba18ddd81 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 126:549ba18ddd81 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 126:549ba18ddd81 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 126:549ba18ddd81 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 126:549ba18ddd81 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 126:549ba18ddd81 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 126:549ba18ddd81 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 126:549ba18ddd81 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 126:549ba18ddd81 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 126:549ba18ddd81 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 126:549ba18ddd81 34 *******************************************************************************
mbed_official 126:549ba18ddd81 35 */
mbed_official 126:549ba18ddd81 36
mbed_official 126:549ba18ddd81 37 /* Includes ------------------------------------------------------------------*/
mbed_official 126:549ba18ddd81 38 #include "stm32f10x_dma.h"
mbed_official 126:549ba18ddd81 39 #include "stm32f10x_rcc.h"
mbed_official 126:549ba18ddd81 40
mbed_official 126:549ba18ddd81 41 /** @addtogroup STM32F10x_StdPeriph_Driver
mbed_official 126:549ba18ddd81 42 * @{
mbed_official 126:549ba18ddd81 43 */
mbed_official 126:549ba18ddd81 44
mbed_official 126:549ba18ddd81 45 /** @defgroup DMA
mbed_official 126:549ba18ddd81 46 * @brief DMA driver modules
mbed_official 126:549ba18ddd81 47 * @{
mbed_official 126:549ba18ddd81 48 */
mbed_official 126:549ba18ddd81 49
mbed_official 126:549ba18ddd81 50 /** @defgroup DMA_Private_TypesDefinitions
mbed_official 126:549ba18ddd81 51 * @{
mbed_official 126:549ba18ddd81 52 */
mbed_official 126:549ba18ddd81 53 /**
mbed_official 126:549ba18ddd81 54 * @}
mbed_official 126:549ba18ddd81 55 */
mbed_official 126:549ba18ddd81 56
mbed_official 126:549ba18ddd81 57 /** @defgroup DMA_Private_Defines
mbed_official 126:549ba18ddd81 58 * @{
mbed_official 126:549ba18ddd81 59 */
mbed_official 126:549ba18ddd81 60
mbed_official 126:549ba18ddd81 61
mbed_official 126:549ba18ddd81 62 /* DMA1 Channelx interrupt pending bit masks */
mbed_official 126:549ba18ddd81 63 #define DMA1_Channel1_IT_Mask ((uint32_t)(DMA_ISR_GIF1 | DMA_ISR_TCIF1 | DMA_ISR_HTIF1 | DMA_ISR_TEIF1))
mbed_official 126:549ba18ddd81 64 #define DMA1_Channel2_IT_Mask ((uint32_t)(DMA_ISR_GIF2 | DMA_ISR_TCIF2 | DMA_ISR_HTIF2 | DMA_ISR_TEIF2))
mbed_official 126:549ba18ddd81 65 #define DMA1_Channel3_IT_Mask ((uint32_t)(DMA_ISR_GIF3 | DMA_ISR_TCIF3 | DMA_ISR_HTIF3 | DMA_ISR_TEIF3))
mbed_official 126:549ba18ddd81 66 #define DMA1_Channel4_IT_Mask ((uint32_t)(DMA_ISR_GIF4 | DMA_ISR_TCIF4 | DMA_ISR_HTIF4 | DMA_ISR_TEIF4))
mbed_official 126:549ba18ddd81 67 #define DMA1_Channel5_IT_Mask ((uint32_t)(DMA_ISR_GIF5 | DMA_ISR_TCIF5 | DMA_ISR_HTIF5 | DMA_ISR_TEIF5))
mbed_official 126:549ba18ddd81 68 #define DMA1_Channel6_IT_Mask ((uint32_t)(DMA_ISR_GIF6 | DMA_ISR_TCIF6 | DMA_ISR_HTIF6 | DMA_ISR_TEIF6))
mbed_official 126:549ba18ddd81 69 #define DMA1_Channel7_IT_Mask ((uint32_t)(DMA_ISR_GIF7 | DMA_ISR_TCIF7 | DMA_ISR_HTIF7 | DMA_ISR_TEIF7))
mbed_official 126:549ba18ddd81 70
mbed_official 126:549ba18ddd81 71 /* DMA2 Channelx interrupt pending bit masks */
mbed_official 126:549ba18ddd81 72 #define DMA2_Channel1_IT_Mask ((uint32_t)(DMA_ISR_GIF1 | DMA_ISR_TCIF1 | DMA_ISR_HTIF1 | DMA_ISR_TEIF1))
mbed_official 126:549ba18ddd81 73 #define DMA2_Channel2_IT_Mask ((uint32_t)(DMA_ISR_GIF2 | DMA_ISR_TCIF2 | DMA_ISR_HTIF2 | DMA_ISR_TEIF2))
mbed_official 126:549ba18ddd81 74 #define DMA2_Channel3_IT_Mask ((uint32_t)(DMA_ISR_GIF3 | DMA_ISR_TCIF3 | DMA_ISR_HTIF3 | DMA_ISR_TEIF3))
mbed_official 126:549ba18ddd81 75 #define DMA2_Channel4_IT_Mask ((uint32_t)(DMA_ISR_GIF4 | DMA_ISR_TCIF4 | DMA_ISR_HTIF4 | DMA_ISR_TEIF4))
mbed_official 126:549ba18ddd81 76 #define DMA2_Channel5_IT_Mask ((uint32_t)(DMA_ISR_GIF5 | DMA_ISR_TCIF5 | DMA_ISR_HTIF5 | DMA_ISR_TEIF5))
mbed_official 126:549ba18ddd81 77
mbed_official 126:549ba18ddd81 78 /* DMA2 FLAG mask */
mbed_official 126:549ba18ddd81 79 #define FLAG_Mask ((uint32_t)0x10000000)
mbed_official 126:549ba18ddd81 80
mbed_official 126:549ba18ddd81 81 /* DMA registers Masks */
mbed_official 126:549ba18ddd81 82 #define CCR_CLEAR_Mask ((uint32_t)0xFFFF800F)
mbed_official 126:549ba18ddd81 83
mbed_official 126:549ba18ddd81 84 /**
mbed_official 126:549ba18ddd81 85 * @}
mbed_official 126:549ba18ddd81 86 */
mbed_official 126:549ba18ddd81 87
mbed_official 126:549ba18ddd81 88 /** @defgroup DMA_Private_Macros
mbed_official 126:549ba18ddd81 89 * @{
mbed_official 126:549ba18ddd81 90 */
mbed_official 126:549ba18ddd81 91
mbed_official 126:549ba18ddd81 92 /**
mbed_official 126:549ba18ddd81 93 * @}
mbed_official 126:549ba18ddd81 94 */
mbed_official 126:549ba18ddd81 95
mbed_official 126:549ba18ddd81 96 /** @defgroup DMA_Private_Variables
mbed_official 126:549ba18ddd81 97 * @{
mbed_official 126:549ba18ddd81 98 */
mbed_official 126:549ba18ddd81 99
mbed_official 126:549ba18ddd81 100 /**
mbed_official 126:549ba18ddd81 101 * @}
mbed_official 126:549ba18ddd81 102 */
mbed_official 126:549ba18ddd81 103
mbed_official 126:549ba18ddd81 104 /** @defgroup DMA_Private_FunctionPrototypes
mbed_official 126:549ba18ddd81 105 * @{
mbed_official 126:549ba18ddd81 106 */
mbed_official 126:549ba18ddd81 107
mbed_official 126:549ba18ddd81 108 /**
mbed_official 126:549ba18ddd81 109 * @}
mbed_official 126:549ba18ddd81 110 */
mbed_official 126:549ba18ddd81 111
mbed_official 126:549ba18ddd81 112 /** @defgroup DMA_Private_Functions
mbed_official 126:549ba18ddd81 113 * @{
mbed_official 126:549ba18ddd81 114 */
mbed_official 126:549ba18ddd81 115
mbed_official 126:549ba18ddd81 116 /**
mbed_official 126:549ba18ddd81 117 * @brief Deinitializes the DMAy Channelx registers to their default reset
mbed_official 126:549ba18ddd81 118 * values.
mbed_official 126:549ba18ddd81 119 * @param DMAy_Channelx: where y can be 1 or 2 to select the DMA and
mbed_official 126:549ba18ddd81 120 * x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the DMA Channel.
mbed_official 126:549ba18ddd81 121 * @retval None
mbed_official 126:549ba18ddd81 122 */
mbed_official 126:549ba18ddd81 123 void DMA_DeInit(DMA_Channel_TypeDef* DMAy_Channelx)
mbed_official 126:549ba18ddd81 124 {
mbed_official 126:549ba18ddd81 125 /* Check the parameters */
mbed_official 126:549ba18ddd81 126 assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
mbed_official 126:549ba18ddd81 127
mbed_official 126:549ba18ddd81 128 /* Disable the selected DMAy Channelx */
mbed_official 126:549ba18ddd81 129 DMAy_Channelx->CCR &= (uint16_t)(~DMA_CCR1_EN);
mbed_official 126:549ba18ddd81 130
mbed_official 126:549ba18ddd81 131 /* Reset DMAy Channelx control register */
mbed_official 126:549ba18ddd81 132 DMAy_Channelx->CCR = 0;
mbed_official 126:549ba18ddd81 133
mbed_official 126:549ba18ddd81 134 /* Reset DMAy Channelx remaining bytes register */
mbed_official 126:549ba18ddd81 135 DMAy_Channelx->CNDTR = 0;
mbed_official 126:549ba18ddd81 136
mbed_official 126:549ba18ddd81 137 /* Reset DMAy Channelx peripheral address register */
mbed_official 126:549ba18ddd81 138 DMAy_Channelx->CPAR = 0;
mbed_official 126:549ba18ddd81 139
mbed_official 126:549ba18ddd81 140 /* Reset DMAy Channelx memory address register */
mbed_official 126:549ba18ddd81 141 DMAy_Channelx->CMAR = 0;
mbed_official 126:549ba18ddd81 142
mbed_official 126:549ba18ddd81 143 if (DMAy_Channelx == DMA1_Channel1)
mbed_official 126:549ba18ddd81 144 {
mbed_official 126:549ba18ddd81 145 /* Reset interrupt pending bits for DMA1 Channel1 */
mbed_official 126:549ba18ddd81 146 DMA1->IFCR |= DMA1_Channel1_IT_Mask;
mbed_official 126:549ba18ddd81 147 }
mbed_official 126:549ba18ddd81 148 else if (DMAy_Channelx == DMA1_Channel2)
mbed_official 126:549ba18ddd81 149 {
mbed_official 126:549ba18ddd81 150 /* Reset interrupt pending bits for DMA1 Channel2 */
mbed_official 126:549ba18ddd81 151 DMA1->IFCR |= DMA1_Channel2_IT_Mask;
mbed_official 126:549ba18ddd81 152 }
mbed_official 126:549ba18ddd81 153 else if (DMAy_Channelx == DMA1_Channel3)
mbed_official 126:549ba18ddd81 154 {
mbed_official 126:549ba18ddd81 155 /* Reset interrupt pending bits for DMA1 Channel3 */
mbed_official 126:549ba18ddd81 156 DMA1->IFCR |= DMA1_Channel3_IT_Mask;
mbed_official 126:549ba18ddd81 157 }
mbed_official 126:549ba18ddd81 158 else if (DMAy_Channelx == DMA1_Channel4)
mbed_official 126:549ba18ddd81 159 {
mbed_official 126:549ba18ddd81 160 /* Reset interrupt pending bits for DMA1 Channel4 */
mbed_official 126:549ba18ddd81 161 DMA1->IFCR |= DMA1_Channel4_IT_Mask;
mbed_official 126:549ba18ddd81 162 }
mbed_official 126:549ba18ddd81 163 else if (DMAy_Channelx == DMA1_Channel5)
mbed_official 126:549ba18ddd81 164 {
mbed_official 126:549ba18ddd81 165 /* Reset interrupt pending bits for DMA1 Channel5 */
mbed_official 126:549ba18ddd81 166 DMA1->IFCR |= DMA1_Channel5_IT_Mask;
mbed_official 126:549ba18ddd81 167 }
mbed_official 126:549ba18ddd81 168 else if (DMAy_Channelx == DMA1_Channel6)
mbed_official 126:549ba18ddd81 169 {
mbed_official 126:549ba18ddd81 170 /* Reset interrupt pending bits for DMA1 Channel6 */
mbed_official 126:549ba18ddd81 171 DMA1->IFCR |= DMA1_Channel6_IT_Mask;
mbed_official 126:549ba18ddd81 172 }
mbed_official 126:549ba18ddd81 173 else if (DMAy_Channelx == DMA1_Channel7)
mbed_official 126:549ba18ddd81 174 {
mbed_official 126:549ba18ddd81 175 /* Reset interrupt pending bits for DMA1 Channel7 */
mbed_official 126:549ba18ddd81 176 DMA1->IFCR |= DMA1_Channel7_IT_Mask;
mbed_official 126:549ba18ddd81 177 }
mbed_official 126:549ba18ddd81 178 else if (DMAy_Channelx == DMA2_Channel1)
mbed_official 126:549ba18ddd81 179 {
mbed_official 126:549ba18ddd81 180 /* Reset interrupt pending bits for DMA2 Channel1 */
mbed_official 126:549ba18ddd81 181 DMA2->IFCR |= DMA2_Channel1_IT_Mask;
mbed_official 126:549ba18ddd81 182 }
mbed_official 126:549ba18ddd81 183 else if (DMAy_Channelx == DMA2_Channel2)
mbed_official 126:549ba18ddd81 184 {
mbed_official 126:549ba18ddd81 185 /* Reset interrupt pending bits for DMA2 Channel2 */
mbed_official 126:549ba18ddd81 186 DMA2->IFCR |= DMA2_Channel2_IT_Mask;
mbed_official 126:549ba18ddd81 187 }
mbed_official 126:549ba18ddd81 188 else if (DMAy_Channelx == DMA2_Channel3)
mbed_official 126:549ba18ddd81 189 {
mbed_official 126:549ba18ddd81 190 /* Reset interrupt pending bits for DMA2 Channel3 */
mbed_official 126:549ba18ddd81 191 DMA2->IFCR |= DMA2_Channel3_IT_Mask;
mbed_official 126:549ba18ddd81 192 }
mbed_official 126:549ba18ddd81 193 else if (DMAy_Channelx == DMA2_Channel4)
mbed_official 126:549ba18ddd81 194 {
mbed_official 126:549ba18ddd81 195 /* Reset interrupt pending bits for DMA2 Channel4 */
mbed_official 126:549ba18ddd81 196 DMA2->IFCR |= DMA2_Channel4_IT_Mask;
mbed_official 126:549ba18ddd81 197 }
mbed_official 126:549ba18ddd81 198 else
mbed_official 126:549ba18ddd81 199 {
mbed_official 126:549ba18ddd81 200 if (DMAy_Channelx == DMA2_Channel5)
mbed_official 126:549ba18ddd81 201 {
mbed_official 126:549ba18ddd81 202 /* Reset interrupt pending bits for DMA2 Channel5 */
mbed_official 126:549ba18ddd81 203 DMA2->IFCR |= DMA2_Channel5_IT_Mask;
mbed_official 126:549ba18ddd81 204 }
mbed_official 126:549ba18ddd81 205 }
mbed_official 126:549ba18ddd81 206 }
mbed_official 126:549ba18ddd81 207
mbed_official 126:549ba18ddd81 208 /**
mbed_official 126:549ba18ddd81 209 * @brief Initializes the DMAy Channelx according to the specified
mbed_official 126:549ba18ddd81 210 * parameters in the DMA_InitStruct.
mbed_official 126:549ba18ddd81 211 * @param DMAy_Channelx: where y can be 1 or 2 to select the DMA and
mbed_official 126:549ba18ddd81 212 * x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the DMA Channel.
mbed_official 126:549ba18ddd81 213 * @param DMA_InitStruct: pointer to a DMA_InitTypeDef structure that
mbed_official 126:549ba18ddd81 214 * contains the configuration information for the specified DMA Channel.
mbed_official 126:549ba18ddd81 215 * @retval None
mbed_official 126:549ba18ddd81 216 */
mbed_official 126:549ba18ddd81 217 void DMA_Init(DMA_Channel_TypeDef* DMAy_Channelx, DMA_InitTypeDef* DMA_InitStruct)
mbed_official 126:549ba18ddd81 218 {
mbed_official 126:549ba18ddd81 219 uint32_t tmpreg = 0;
mbed_official 126:549ba18ddd81 220
mbed_official 126:549ba18ddd81 221 /* Check the parameters */
mbed_official 126:549ba18ddd81 222 assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
mbed_official 126:549ba18ddd81 223 assert_param(IS_DMA_DIR(DMA_InitStruct->DMA_DIR));
mbed_official 126:549ba18ddd81 224 assert_param(IS_DMA_BUFFER_SIZE(DMA_InitStruct->DMA_BufferSize));
mbed_official 126:549ba18ddd81 225 assert_param(IS_DMA_PERIPHERAL_INC_STATE(DMA_InitStruct->DMA_PeripheralInc));
mbed_official 126:549ba18ddd81 226 assert_param(IS_DMA_MEMORY_INC_STATE(DMA_InitStruct->DMA_MemoryInc));
mbed_official 126:549ba18ddd81 227 assert_param(IS_DMA_PERIPHERAL_DATA_SIZE(DMA_InitStruct->DMA_PeripheralDataSize));
mbed_official 126:549ba18ddd81 228 assert_param(IS_DMA_MEMORY_DATA_SIZE(DMA_InitStruct->DMA_MemoryDataSize));
mbed_official 126:549ba18ddd81 229 assert_param(IS_DMA_MODE(DMA_InitStruct->DMA_Mode));
mbed_official 126:549ba18ddd81 230 assert_param(IS_DMA_PRIORITY(DMA_InitStruct->DMA_Priority));
mbed_official 126:549ba18ddd81 231 assert_param(IS_DMA_M2M_STATE(DMA_InitStruct->DMA_M2M));
mbed_official 126:549ba18ddd81 232
mbed_official 126:549ba18ddd81 233 /*--------------------------- DMAy Channelx CCR Configuration -----------------*/
mbed_official 126:549ba18ddd81 234 /* Get the DMAy_Channelx CCR value */
mbed_official 126:549ba18ddd81 235 tmpreg = DMAy_Channelx->CCR;
mbed_official 126:549ba18ddd81 236 /* Clear MEM2MEM, PL, MSIZE, PSIZE, MINC, PINC, CIRC and DIR bits */
mbed_official 126:549ba18ddd81 237 tmpreg &= CCR_CLEAR_Mask;
mbed_official 126:549ba18ddd81 238 /* Configure DMAy Channelx: data transfer, data size, priority level and mode */
mbed_official 126:549ba18ddd81 239 /* Set DIR bit according to DMA_DIR value */
mbed_official 126:549ba18ddd81 240 /* Set CIRC bit according to DMA_Mode value */
mbed_official 126:549ba18ddd81 241 /* Set PINC bit according to DMA_PeripheralInc value */
mbed_official 126:549ba18ddd81 242 /* Set MINC bit according to DMA_MemoryInc value */
mbed_official 126:549ba18ddd81 243 /* Set PSIZE bits according to DMA_PeripheralDataSize value */
mbed_official 126:549ba18ddd81 244 /* Set MSIZE bits according to DMA_MemoryDataSize value */
mbed_official 126:549ba18ddd81 245 /* Set PL bits according to DMA_Priority value */
mbed_official 126:549ba18ddd81 246 /* Set the MEM2MEM bit according to DMA_M2M value */
mbed_official 126:549ba18ddd81 247 tmpreg |= DMA_InitStruct->DMA_DIR | DMA_InitStruct->DMA_Mode |
mbed_official 126:549ba18ddd81 248 DMA_InitStruct->DMA_PeripheralInc | DMA_InitStruct->DMA_MemoryInc |
mbed_official 126:549ba18ddd81 249 DMA_InitStruct->DMA_PeripheralDataSize | DMA_InitStruct->DMA_MemoryDataSize |
mbed_official 126:549ba18ddd81 250 DMA_InitStruct->DMA_Priority | DMA_InitStruct->DMA_M2M;
mbed_official 126:549ba18ddd81 251
mbed_official 126:549ba18ddd81 252 /* Write to DMAy Channelx CCR */
mbed_official 126:549ba18ddd81 253 DMAy_Channelx->CCR = tmpreg;
mbed_official 126:549ba18ddd81 254
mbed_official 126:549ba18ddd81 255 /*--------------------------- DMAy Channelx CNDTR Configuration ---------------*/
mbed_official 126:549ba18ddd81 256 /* Write to DMAy Channelx CNDTR */
mbed_official 126:549ba18ddd81 257 DMAy_Channelx->CNDTR = DMA_InitStruct->DMA_BufferSize;
mbed_official 126:549ba18ddd81 258
mbed_official 126:549ba18ddd81 259 /*--------------------------- DMAy Channelx CPAR Configuration ----------------*/
mbed_official 126:549ba18ddd81 260 /* Write to DMAy Channelx CPAR */
mbed_official 126:549ba18ddd81 261 DMAy_Channelx->CPAR = DMA_InitStruct->DMA_PeripheralBaseAddr;
mbed_official 126:549ba18ddd81 262
mbed_official 126:549ba18ddd81 263 /*--------------------------- DMAy Channelx CMAR Configuration ----------------*/
mbed_official 126:549ba18ddd81 264 /* Write to DMAy Channelx CMAR */
mbed_official 126:549ba18ddd81 265 DMAy_Channelx->CMAR = DMA_InitStruct->DMA_MemoryBaseAddr;
mbed_official 126:549ba18ddd81 266 }
mbed_official 126:549ba18ddd81 267
mbed_official 126:549ba18ddd81 268 /**
mbed_official 126:549ba18ddd81 269 * @brief Fills each DMA_InitStruct member with its default value.
mbed_official 126:549ba18ddd81 270 * @param DMA_InitStruct : pointer to a DMA_InitTypeDef structure which will
mbed_official 126:549ba18ddd81 271 * be initialized.
mbed_official 126:549ba18ddd81 272 * @retval None
mbed_official 126:549ba18ddd81 273 */
mbed_official 126:549ba18ddd81 274 void DMA_StructInit(DMA_InitTypeDef* DMA_InitStruct)
mbed_official 126:549ba18ddd81 275 {
mbed_official 126:549ba18ddd81 276 /*-------------- Reset DMA init structure parameters values ------------------*/
mbed_official 126:549ba18ddd81 277 /* Initialize the DMA_PeripheralBaseAddr member */
mbed_official 126:549ba18ddd81 278 DMA_InitStruct->DMA_PeripheralBaseAddr = 0;
mbed_official 126:549ba18ddd81 279 /* Initialize the DMA_MemoryBaseAddr member */
mbed_official 126:549ba18ddd81 280 DMA_InitStruct->DMA_MemoryBaseAddr = 0;
mbed_official 126:549ba18ddd81 281 /* Initialize the DMA_DIR member */
mbed_official 126:549ba18ddd81 282 DMA_InitStruct->DMA_DIR = DMA_DIR_PeripheralSRC;
mbed_official 126:549ba18ddd81 283 /* Initialize the DMA_BufferSize member */
mbed_official 126:549ba18ddd81 284 DMA_InitStruct->DMA_BufferSize = 0;
mbed_official 126:549ba18ddd81 285 /* Initialize the DMA_PeripheralInc member */
mbed_official 126:549ba18ddd81 286 DMA_InitStruct->DMA_PeripheralInc = DMA_PeripheralInc_Disable;
mbed_official 126:549ba18ddd81 287 /* Initialize the DMA_MemoryInc member */
mbed_official 126:549ba18ddd81 288 DMA_InitStruct->DMA_MemoryInc = DMA_MemoryInc_Disable;
mbed_official 126:549ba18ddd81 289 /* Initialize the DMA_PeripheralDataSize member */
mbed_official 126:549ba18ddd81 290 DMA_InitStruct->DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
mbed_official 126:549ba18ddd81 291 /* Initialize the DMA_MemoryDataSize member */
mbed_official 126:549ba18ddd81 292 DMA_InitStruct->DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
mbed_official 126:549ba18ddd81 293 /* Initialize the DMA_Mode member */
mbed_official 126:549ba18ddd81 294 DMA_InitStruct->DMA_Mode = DMA_Mode_Normal;
mbed_official 126:549ba18ddd81 295 /* Initialize the DMA_Priority member */
mbed_official 126:549ba18ddd81 296 DMA_InitStruct->DMA_Priority = DMA_Priority_Low;
mbed_official 126:549ba18ddd81 297 /* Initialize the DMA_M2M member */
mbed_official 126:549ba18ddd81 298 DMA_InitStruct->DMA_M2M = DMA_M2M_Disable;
mbed_official 126:549ba18ddd81 299 }
mbed_official 126:549ba18ddd81 300
mbed_official 126:549ba18ddd81 301 /**
mbed_official 126:549ba18ddd81 302 * @brief Enables or disables the specified DMAy Channelx.
mbed_official 126:549ba18ddd81 303 * @param DMAy_Channelx: where y can be 1 or 2 to select the DMA and
mbed_official 126:549ba18ddd81 304 * x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the DMA Channel.
mbed_official 126:549ba18ddd81 305 * @param NewState: new state of the DMAy Channelx.
mbed_official 126:549ba18ddd81 306 * This parameter can be: ENABLE or DISABLE.
mbed_official 126:549ba18ddd81 307 * @retval None
mbed_official 126:549ba18ddd81 308 */
mbed_official 126:549ba18ddd81 309 void DMA_Cmd(DMA_Channel_TypeDef* DMAy_Channelx, FunctionalState NewState)
mbed_official 126:549ba18ddd81 310 {
mbed_official 126:549ba18ddd81 311 /* Check the parameters */
mbed_official 126:549ba18ddd81 312 assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
mbed_official 126:549ba18ddd81 313 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 126:549ba18ddd81 314
mbed_official 126:549ba18ddd81 315 if (NewState != DISABLE)
mbed_official 126:549ba18ddd81 316 {
mbed_official 126:549ba18ddd81 317 /* Enable the selected DMAy Channelx */
mbed_official 126:549ba18ddd81 318 DMAy_Channelx->CCR |= DMA_CCR1_EN;
mbed_official 126:549ba18ddd81 319 }
mbed_official 126:549ba18ddd81 320 else
mbed_official 126:549ba18ddd81 321 {
mbed_official 126:549ba18ddd81 322 /* Disable the selected DMAy Channelx */
mbed_official 126:549ba18ddd81 323 DMAy_Channelx->CCR &= (uint16_t)(~DMA_CCR1_EN);
mbed_official 126:549ba18ddd81 324 }
mbed_official 126:549ba18ddd81 325 }
mbed_official 126:549ba18ddd81 326
mbed_official 126:549ba18ddd81 327 /**
mbed_official 126:549ba18ddd81 328 * @brief Enables or disables the specified DMAy Channelx interrupts.
mbed_official 126:549ba18ddd81 329 * @param DMAy_Channelx: where y can be 1 or 2 to select the DMA and
mbed_official 126:549ba18ddd81 330 * x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the DMA Channel.
mbed_official 126:549ba18ddd81 331 * @param DMA_IT: specifies the DMA interrupts sources to be enabled
mbed_official 126:549ba18ddd81 332 * or disabled.
mbed_official 126:549ba18ddd81 333 * This parameter can be any combination of the following values:
mbed_official 126:549ba18ddd81 334 * @arg DMA_IT_TC: Transfer complete interrupt mask
mbed_official 126:549ba18ddd81 335 * @arg DMA_IT_HT: Half transfer interrupt mask
mbed_official 126:549ba18ddd81 336 * @arg DMA_IT_TE: Transfer error interrupt mask
mbed_official 126:549ba18ddd81 337 * @param NewState: new state of the specified DMA interrupts.
mbed_official 126:549ba18ddd81 338 * This parameter can be: ENABLE or DISABLE.
mbed_official 126:549ba18ddd81 339 * @retval None
mbed_official 126:549ba18ddd81 340 */
mbed_official 126:549ba18ddd81 341 void DMA_ITConfig(DMA_Channel_TypeDef* DMAy_Channelx, uint32_t DMA_IT, FunctionalState NewState)
mbed_official 126:549ba18ddd81 342 {
mbed_official 126:549ba18ddd81 343 /* Check the parameters */
mbed_official 126:549ba18ddd81 344 assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
mbed_official 126:549ba18ddd81 345 assert_param(IS_DMA_CONFIG_IT(DMA_IT));
mbed_official 126:549ba18ddd81 346 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 126:549ba18ddd81 347 if (NewState != DISABLE)
mbed_official 126:549ba18ddd81 348 {
mbed_official 126:549ba18ddd81 349 /* Enable the selected DMA interrupts */
mbed_official 126:549ba18ddd81 350 DMAy_Channelx->CCR |= DMA_IT;
mbed_official 126:549ba18ddd81 351 }
mbed_official 126:549ba18ddd81 352 else
mbed_official 126:549ba18ddd81 353 {
mbed_official 126:549ba18ddd81 354 /* Disable the selected DMA interrupts */
mbed_official 126:549ba18ddd81 355 DMAy_Channelx->CCR &= ~DMA_IT;
mbed_official 126:549ba18ddd81 356 }
mbed_official 126:549ba18ddd81 357 }
mbed_official 126:549ba18ddd81 358
mbed_official 126:549ba18ddd81 359 /**
mbed_official 126:549ba18ddd81 360 * @brief Sets the number of data units in the current DMAy Channelx transfer.
mbed_official 126:549ba18ddd81 361 * @param DMAy_Channelx: where y can be 1 or 2 to select the DMA and
mbed_official 126:549ba18ddd81 362 * x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the DMA Channel.
mbed_official 126:549ba18ddd81 363 * @param DataNumber: The number of data units in the current DMAy Channelx
mbed_official 126:549ba18ddd81 364 * transfer.
mbed_official 126:549ba18ddd81 365 * @note This function can only be used when the DMAy_Channelx is disabled.
mbed_official 126:549ba18ddd81 366 * @retval None.
mbed_official 126:549ba18ddd81 367 */
mbed_official 126:549ba18ddd81 368 void DMA_SetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx, uint16_t DataNumber)
mbed_official 126:549ba18ddd81 369 {
mbed_official 126:549ba18ddd81 370 /* Check the parameters */
mbed_official 126:549ba18ddd81 371 assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
mbed_official 126:549ba18ddd81 372
mbed_official 126:549ba18ddd81 373 /*--------------------------- DMAy Channelx CNDTR Configuration ---------------*/
mbed_official 126:549ba18ddd81 374 /* Write to DMAy Channelx CNDTR */
mbed_official 126:549ba18ddd81 375 DMAy_Channelx->CNDTR = DataNumber;
mbed_official 126:549ba18ddd81 376 }
mbed_official 126:549ba18ddd81 377
mbed_official 126:549ba18ddd81 378 /**
mbed_official 126:549ba18ddd81 379 * @brief Returns the number of remaining data units in the current
mbed_official 126:549ba18ddd81 380 * DMAy Channelx transfer.
mbed_official 126:549ba18ddd81 381 * @param DMAy_Channelx: where y can be 1 or 2 to select the DMA and
mbed_official 126:549ba18ddd81 382 * x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the DMA Channel.
mbed_official 126:549ba18ddd81 383 * @retval The number of remaining data units in the current DMAy Channelx
mbed_official 126:549ba18ddd81 384 * transfer.
mbed_official 126:549ba18ddd81 385 */
mbed_official 126:549ba18ddd81 386 uint16_t DMA_GetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx)
mbed_official 126:549ba18ddd81 387 {
mbed_official 126:549ba18ddd81 388 /* Check the parameters */
mbed_official 126:549ba18ddd81 389 assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx));
mbed_official 126:549ba18ddd81 390 /* Return the number of remaining data units for DMAy Channelx */
mbed_official 126:549ba18ddd81 391 return ((uint16_t)(DMAy_Channelx->CNDTR));
mbed_official 126:549ba18ddd81 392 }
mbed_official 126:549ba18ddd81 393
mbed_official 126:549ba18ddd81 394 /**
mbed_official 126:549ba18ddd81 395 * @brief Checks whether the specified DMAy Channelx flag is set or not.
mbed_official 126:549ba18ddd81 396 * @param DMAy_FLAG: specifies the flag to check.
mbed_official 126:549ba18ddd81 397 * This parameter can be one of the following values:
mbed_official 126:549ba18ddd81 398 * @arg DMA1_FLAG_GL1: DMA1 Channel1 global flag.
mbed_official 126:549ba18ddd81 399 * @arg DMA1_FLAG_TC1: DMA1 Channel1 transfer complete flag.
mbed_official 126:549ba18ddd81 400 * @arg DMA1_FLAG_HT1: DMA1 Channel1 half transfer flag.
mbed_official 126:549ba18ddd81 401 * @arg DMA1_FLAG_TE1: DMA1 Channel1 transfer error flag.
mbed_official 126:549ba18ddd81 402 * @arg DMA1_FLAG_GL2: DMA1 Channel2 global flag.
mbed_official 126:549ba18ddd81 403 * @arg DMA1_FLAG_TC2: DMA1 Channel2 transfer complete flag.
mbed_official 126:549ba18ddd81 404 * @arg DMA1_FLAG_HT2: DMA1 Channel2 half transfer flag.
mbed_official 126:549ba18ddd81 405 * @arg DMA1_FLAG_TE2: DMA1 Channel2 transfer error flag.
mbed_official 126:549ba18ddd81 406 * @arg DMA1_FLAG_GL3: DMA1 Channel3 global flag.
mbed_official 126:549ba18ddd81 407 * @arg DMA1_FLAG_TC3: DMA1 Channel3 transfer complete flag.
mbed_official 126:549ba18ddd81 408 * @arg DMA1_FLAG_HT3: DMA1 Channel3 half transfer flag.
mbed_official 126:549ba18ddd81 409 * @arg DMA1_FLAG_TE3: DMA1 Channel3 transfer error flag.
mbed_official 126:549ba18ddd81 410 * @arg DMA1_FLAG_GL4: DMA1 Channel4 global flag.
mbed_official 126:549ba18ddd81 411 * @arg DMA1_FLAG_TC4: DMA1 Channel4 transfer complete flag.
mbed_official 126:549ba18ddd81 412 * @arg DMA1_FLAG_HT4: DMA1 Channel4 half transfer flag.
mbed_official 126:549ba18ddd81 413 * @arg DMA1_FLAG_TE4: DMA1 Channel4 transfer error flag.
mbed_official 126:549ba18ddd81 414 * @arg DMA1_FLAG_GL5: DMA1 Channel5 global flag.
mbed_official 126:549ba18ddd81 415 * @arg DMA1_FLAG_TC5: DMA1 Channel5 transfer complete flag.
mbed_official 126:549ba18ddd81 416 * @arg DMA1_FLAG_HT5: DMA1 Channel5 half transfer flag.
mbed_official 126:549ba18ddd81 417 * @arg DMA1_FLAG_TE5: DMA1 Channel5 transfer error flag.
mbed_official 126:549ba18ddd81 418 * @arg DMA1_FLAG_GL6: DMA1 Channel6 global flag.
mbed_official 126:549ba18ddd81 419 * @arg DMA1_FLAG_TC6: DMA1 Channel6 transfer complete flag.
mbed_official 126:549ba18ddd81 420 * @arg DMA1_FLAG_HT6: DMA1 Channel6 half transfer flag.
mbed_official 126:549ba18ddd81 421 * @arg DMA1_FLAG_TE6: DMA1 Channel6 transfer error flag.
mbed_official 126:549ba18ddd81 422 * @arg DMA1_FLAG_GL7: DMA1 Channel7 global flag.
mbed_official 126:549ba18ddd81 423 * @arg DMA1_FLAG_TC7: DMA1 Channel7 transfer complete flag.
mbed_official 126:549ba18ddd81 424 * @arg DMA1_FLAG_HT7: DMA1 Channel7 half transfer flag.
mbed_official 126:549ba18ddd81 425 * @arg DMA1_FLAG_TE7: DMA1 Channel7 transfer error flag.
mbed_official 126:549ba18ddd81 426 * @arg DMA2_FLAG_GL1: DMA2 Channel1 global flag.
mbed_official 126:549ba18ddd81 427 * @arg DMA2_FLAG_TC1: DMA2 Channel1 transfer complete flag.
mbed_official 126:549ba18ddd81 428 * @arg DMA2_FLAG_HT1: DMA2 Channel1 half transfer flag.
mbed_official 126:549ba18ddd81 429 * @arg DMA2_FLAG_TE1: DMA2 Channel1 transfer error flag.
mbed_official 126:549ba18ddd81 430 * @arg DMA2_FLAG_GL2: DMA2 Channel2 global flag.
mbed_official 126:549ba18ddd81 431 * @arg DMA2_FLAG_TC2: DMA2 Channel2 transfer complete flag.
mbed_official 126:549ba18ddd81 432 * @arg DMA2_FLAG_HT2: DMA2 Channel2 half transfer flag.
mbed_official 126:549ba18ddd81 433 * @arg DMA2_FLAG_TE2: DMA2 Channel2 transfer error flag.
mbed_official 126:549ba18ddd81 434 * @arg DMA2_FLAG_GL3: DMA2 Channel3 global flag.
mbed_official 126:549ba18ddd81 435 * @arg DMA2_FLAG_TC3: DMA2 Channel3 transfer complete flag.
mbed_official 126:549ba18ddd81 436 * @arg DMA2_FLAG_HT3: DMA2 Channel3 half transfer flag.
mbed_official 126:549ba18ddd81 437 * @arg DMA2_FLAG_TE3: DMA2 Channel3 transfer error flag.
mbed_official 126:549ba18ddd81 438 * @arg DMA2_FLAG_GL4: DMA2 Channel4 global flag.
mbed_official 126:549ba18ddd81 439 * @arg DMA2_FLAG_TC4: DMA2 Channel4 transfer complete flag.
mbed_official 126:549ba18ddd81 440 * @arg DMA2_FLAG_HT4: DMA2 Channel4 half transfer flag.
mbed_official 126:549ba18ddd81 441 * @arg DMA2_FLAG_TE4: DMA2 Channel4 transfer error flag.
mbed_official 126:549ba18ddd81 442 * @arg DMA2_FLAG_GL5: DMA2 Channel5 global flag.
mbed_official 126:549ba18ddd81 443 * @arg DMA2_FLAG_TC5: DMA2 Channel5 transfer complete flag.
mbed_official 126:549ba18ddd81 444 * @arg DMA2_FLAG_HT5: DMA2 Channel5 half transfer flag.
mbed_official 126:549ba18ddd81 445 * @arg DMA2_FLAG_TE5: DMA2 Channel5 transfer error flag.
mbed_official 126:549ba18ddd81 446 * @retval The new state of DMAy_FLAG (SET or RESET).
mbed_official 126:549ba18ddd81 447 */
mbed_official 126:549ba18ddd81 448 FlagStatus DMA_GetFlagStatus(uint32_t DMAy_FLAG)
mbed_official 126:549ba18ddd81 449 {
mbed_official 126:549ba18ddd81 450 FlagStatus bitstatus = RESET;
mbed_official 126:549ba18ddd81 451 uint32_t tmpreg = 0;
mbed_official 126:549ba18ddd81 452
mbed_official 126:549ba18ddd81 453 /* Check the parameters */
mbed_official 126:549ba18ddd81 454 assert_param(IS_DMA_GET_FLAG(DMAy_FLAG));
mbed_official 126:549ba18ddd81 455
mbed_official 126:549ba18ddd81 456 /* Calculate the used DMAy */
mbed_official 126:549ba18ddd81 457 if ((DMAy_FLAG & FLAG_Mask) != (uint32_t)RESET)
mbed_official 126:549ba18ddd81 458 {
mbed_official 126:549ba18ddd81 459 /* Get DMA2 ISR register value */
mbed_official 126:549ba18ddd81 460 tmpreg = DMA2->ISR ;
mbed_official 126:549ba18ddd81 461 }
mbed_official 126:549ba18ddd81 462 else
mbed_official 126:549ba18ddd81 463 {
mbed_official 126:549ba18ddd81 464 /* Get DMA1 ISR register value */
mbed_official 126:549ba18ddd81 465 tmpreg = DMA1->ISR ;
mbed_official 126:549ba18ddd81 466 }
mbed_official 126:549ba18ddd81 467
mbed_official 126:549ba18ddd81 468 /* Check the status of the specified DMAy flag */
mbed_official 126:549ba18ddd81 469 if ((tmpreg & DMAy_FLAG) != (uint32_t)RESET)
mbed_official 126:549ba18ddd81 470 {
mbed_official 126:549ba18ddd81 471 /* DMAy_FLAG is set */
mbed_official 126:549ba18ddd81 472 bitstatus = SET;
mbed_official 126:549ba18ddd81 473 }
mbed_official 126:549ba18ddd81 474 else
mbed_official 126:549ba18ddd81 475 {
mbed_official 126:549ba18ddd81 476 /* DMAy_FLAG is reset */
mbed_official 126:549ba18ddd81 477 bitstatus = RESET;
mbed_official 126:549ba18ddd81 478 }
mbed_official 126:549ba18ddd81 479
mbed_official 126:549ba18ddd81 480 /* Return the DMAy_FLAG status */
mbed_official 126:549ba18ddd81 481 return bitstatus;
mbed_official 126:549ba18ddd81 482 }
mbed_official 126:549ba18ddd81 483
mbed_official 126:549ba18ddd81 484 /**
mbed_official 126:549ba18ddd81 485 * @brief Clears the DMAy Channelx's pending flags.
mbed_official 126:549ba18ddd81 486 * @param DMAy_FLAG: specifies the flag to clear.
mbed_official 126:549ba18ddd81 487 * This parameter can be any combination (for the same DMA) of the following values:
mbed_official 126:549ba18ddd81 488 * @arg DMA1_FLAG_GL1: DMA1 Channel1 global flag.
mbed_official 126:549ba18ddd81 489 * @arg DMA1_FLAG_TC1: DMA1 Channel1 transfer complete flag.
mbed_official 126:549ba18ddd81 490 * @arg DMA1_FLAG_HT1: DMA1 Channel1 half transfer flag.
mbed_official 126:549ba18ddd81 491 * @arg DMA1_FLAG_TE1: DMA1 Channel1 transfer error flag.
mbed_official 126:549ba18ddd81 492 * @arg DMA1_FLAG_GL2: DMA1 Channel2 global flag.
mbed_official 126:549ba18ddd81 493 * @arg DMA1_FLAG_TC2: DMA1 Channel2 transfer complete flag.
mbed_official 126:549ba18ddd81 494 * @arg DMA1_FLAG_HT2: DMA1 Channel2 half transfer flag.
mbed_official 126:549ba18ddd81 495 * @arg DMA1_FLAG_TE2: DMA1 Channel2 transfer error flag.
mbed_official 126:549ba18ddd81 496 * @arg DMA1_FLAG_GL3: DMA1 Channel3 global flag.
mbed_official 126:549ba18ddd81 497 * @arg DMA1_FLAG_TC3: DMA1 Channel3 transfer complete flag.
mbed_official 126:549ba18ddd81 498 * @arg DMA1_FLAG_HT3: DMA1 Channel3 half transfer flag.
mbed_official 126:549ba18ddd81 499 * @arg DMA1_FLAG_TE3: DMA1 Channel3 transfer error flag.
mbed_official 126:549ba18ddd81 500 * @arg DMA1_FLAG_GL4: DMA1 Channel4 global flag.
mbed_official 126:549ba18ddd81 501 * @arg DMA1_FLAG_TC4: DMA1 Channel4 transfer complete flag.
mbed_official 126:549ba18ddd81 502 * @arg DMA1_FLAG_HT4: DMA1 Channel4 half transfer flag.
mbed_official 126:549ba18ddd81 503 * @arg DMA1_FLAG_TE4: DMA1 Channel4 transfer error flag.
mbed_official 126:549ba18ddd81 504 * @arg DMA1_FLAG_GL5: DMA1 Channel5 global flag.
mbed_official 126:549ba18ddd81 505 * @arg DMA1_FLAG_TC5: DMA1 Channel5 transfer complete flag.
mbed_official 126:549ba18ddd81 506 * @arg DMA1_FLAG_HT5: DMA1 Channel5 half transfer flag.
mbed_official 126:549ba18ddd81 507 * @arg DMA1_FLAG_TE5: DMA1 Channel5 transfer error flag.
mbed_official 126:549ba18ddd81 508 * @arg DMA1_FLAG_GL6: DMA1 Channel6 global flag.
mbed_official 126:549ba18ddd81 509 * @arg DMA1_FLAG_TC6: DMA1 Channel6 transfer complete flag.
mbed_official 126:549ba18ddd81 510 * @arg DMA1_FLAG_HT6: DMA1 Channel6 half transfer flag.
mbed_official 126:549ba18ddd81 511 * @arg DMA1_FLAG_TE6: DMA1 Channel6 transfer error flag.
mbed_official 126:549ba18ddd81 512 * @arg DMA1_FLAG_GL7: DMA1 Channel7 global flag.
mbed_official 126:549ba18ddd81 513 * @arg DMA1_FLAG_TC7: DMA1 Channel7 transfer complete flag.
mbed_official 126:549ba18ddd81 514 * @arg DMA1_FLAG_HT7: DMA1 Channel7 half transfer flag.
mbed_official 126:549ba18ddd81 515 * @arg DMA1_FLAG_TE7: DMA1 Channel7 transfer error flag.
mbed_official 126:549ba18ddd81 516 * @arg DMA2_FLAG_GL1: DMA2 Channel1 global flag.
mbed_official 126:549ba18ddd81 517 * @arg DMA2_FLAG_TC1: DMA2 Channel1 transfer complete flag.
mbed_official 126:549ba18ddd81 518 * @arg DMA2_FLAG_HT1: DMA2 Channel1 half transfer flag.
mbed_official 126:549ba18ddd81 519 * @arg DMA2_FLAG_TE1: DMA2 Channel1 transfer error flag.
mbed_official 126:549ba18ddd81 520 * @arg DMA2_FLAG_GL2: DMA2 Channel2 global flag.
mbed_official 126:549ba18ddd81 521 * @arg DMA2_FLAG_TC2: DMA2 Channel2 transfer complete flag.
mbed_official 126:549ba18ddd81 522 * @arg DMA2_FLAG_HT2: DMA2 Channel2 half transfer flag.
mbed_official 126:549ba18ddd81 523 * @arg DMA2_FLAG_TE2: DMA2 Channel2 transfer error flag.
mbed_official 126:549ba18ddd81 524 * @arg DMA2_FLAG_GL3: DMA2 Channel3 global flag.
mbed_official 126:549ba18ddd81 525 * @arg DMA2_FLAG_TC3: DMA2 Channel3 transfer complete flag.
mbed_official 126:549ba18ddd81 526 * @arg DMA2_FLAG_HT3: DMA2 Channel3 half transfer flag.
mbed_official 126:549ba18ddd81 527 * @arg DMA2_FLAG_TE3: DMA2 Channel3 transfer error flag.
mbed_official 126:549ba18ddd81 528 * @arg DMA2_FLAG_GL4: DMA2 Channel4 global flag.
mbed_official 126:549ba18ddd81 529 * @arg DMA2_FLAG_TC4: DMA2 Channel4 transfer complete flag.
mbed_official 126:549ba18ddd81 530 * @arg DMA2_FLAG_HT4: DMA2 Channel4 half transfer flag.
mbed_official 126:549ba18ddd81 531 * @arg DMA2_FLAG_TE4: DMA2 Channel4 transfer error flag.
mbed_official 126:549ba18ddd81 532 * @arg DMA2_FLAG_GL5: DMA2 Channel5 global flag.
mbed_official 126:549ba18ddd81 533 * @arg DMA2_FLAG_TC5: DMA2 Channel5 transfer complete flag.
mbed_official 126:549ba18ddd81 534 * @arg DMA2_FLAG_HT5: DMA2 Channel5 half transfer flag.
mbed_official 126:549ba18ddd81 535 * @arg DMA2_FLAG_TE5: DMA2 Channel5 transfer error flag.
mbed_official 126:549ba18ddd81 536 * @retval None
mbed_official 126:549ba18ddd81 537 */
mbed_official 126:549ba18ddd81 538 void DMA_ClearFlag(uint32_t DMAy_FLAG)
mbed_official 126:549ba18ddd81 539 {
mbed_official 126:549ba18ddd81 540 /* Check the parameters */
mbed_official 126:549ba18ddd81 541 assert_param(IS_DMA_CLEAR_FLAG(DMAy_FLAG));
mbed_official 126:549ba18ddd81 542
mbed_official 126:549ba18ddd81 543 /* Calculate the used DMAy */
mbed_official 126:549ba18ddd81 544 if ((DMAy_FLAG & FLAG_Mask) != (uint32_t)RESET)
mbed_official 126:549ba18ddd81 545 {
mbed_official 126:549ba18ddd81 546 /* Clear the selected DMAy flags */
mbed_official 126:549ba18ddd81 547 DMA2->IFCR = DMAy_FLAG;
mbed_official 126:549ba18ddd81 548 }
mbed_official 126:549ba18ddd81 549 else
mbed_official 126:549ba18ddd81 550 {
mbed_official 126:549ba18ddd81 551 /* Clear the selected DMAy flags */
mbed_official 126:549ba18ddd81 552 DMA1->IFCR = DMAy_FLAG;
mbed_official 126:549ba18ddd81 553 }
mbed_official 126:549ba18ddd81 554 }
mbed_official 126:549ba18ddd81 555
mbed_official 126:549ba18ddd81 556 /**
mbed_official 126:549ba18ddd81 557 * @brief Checks whether the specified DMAy Channelx interrupt has occurred or not.
mbed_official 126:549ba18ddd81 558 * @param DMAy_IT: specifies the DMAy interrupt source to check.
mbed_official 126:549ba18ddd81 559 * This parameter can be one of the following values:
mbed_official 126:549ba18ddd81 560 * @arg DMA1_IT_GL1: DMA1 Channel1 global interrupt.
mbed_official 126:549ba18ddd81 561 * @arg DMA1_IT_TC1: DMA1 Channel1 transfer complete interrupt.
mbed_official 126:549ba18ddd81 562 * @arg DMA1_IT_HT1: DMA1 Channel1 half transfer interrupt.
mbed_official 126:549ba18ddd81 563 * @arg DMA1_IT_TE1: DMA1 Channel1 transfer error interrupt.
mbed_official 126:549ba18ddd81 564 * @arg DMA1_IT_GL2: DMA1 Channel2 global interrupt.
mbed_official 126:549ba18ddd81 565 * @arg DMA1_IT_TC2: DMA1 Channel2 transfer complete interrupt.
mbed_official 126:549ba18ddd81 566 * @arg DMA1_IT_HT2: DMA1 Channel2 half transfer interrupt.
mbed_official 126:549ba18ddd81 567 * @arg DMA1_IT_TE2: DMA1 Channel2 transfer error interrupt.
mbed_official 126:549ba18ddd81 568 * @arg DMA1_IT_GL3: DMA1 Channel3 global interrupt.
mbed_official 126:549ba18ddd81 569 * @arg DMA1_IT_TC3: DMA1 Channel3 transfer complete interrupt.
mbed_official 126:549ba18ddd81 570 * @arg DMA1_IT_HT3: DMA1 Channel3 half transfer interrupt.
mbed_official 126:549ba18ddd81 571 * @arg DMA1_IT_TE3: DMA1 Channel3 transfer error interrupt.
mbed_official 126:549ba18ddd81 572 * @arg DMA1_IT_GL4: DMA1 Channel4 global interrupt.
mbed_official 126:549ba18ddd81 573 * @arg DMA1_IT_TC4: DMA1 Channel4 transfer complete interrupt.
mbed_official 126:549ba18ddd81 574 * @arg DMA1_IT_HT4: DMA1 Channel4 half transfer interrupt.
mbed_official 126:549ba18ddd81 575 * @arg DMA1_IT_TE4: DMA1 Channel4 transfer error interrupt.
mbed_official 126:549ba18ddd81 576 * @arg DMA1_IT_GL5: DMA1 Channel5 global interrupt.
mbed_official 126:549ba18ddd81 577 * @arg DMA1_IT_TC5: DMA1 Channel5 transfer complete interrupt.
mbed_official 126:549ba18ddd81 578 * @arg DMA1_IT_HT5: DMA1 Channel5 half transfer interrupt.
mbed_official 126:549ba18ddd81 579 * @arg DMA1_IT_TE5: DMA1 Channel5 transfer error interrupt.
mbed_official 126:549ba18ddd81 580 * @arg DMA1_IT_GL6: DMA1 Channel6 global interrupt.
mbed_official 126:549ba18ddd81 581 * @arg DMA1_IT_TC6: DMA1 Channel6 transfer complete interrupt.
mbed_official 126:549ba18ddd81 582 * @arg DMA1_IT_HT6: DMA1 Channel6 half transfer interrupt.
mbed_official 126:549ba18ddd81 583 * @arg DMA1_IT_TE6: DMA1 Channel6 transfer error interrupt.
mbed_official 126:549ba18ddd81 584 * @arg DMA1_IT_GL7: DMA1 Channel7 global interrupt.
mbed_official 126:549ba18ddd81 585 * @arg DMA1_IT_TC7: DMA1 Channel7 transfer complete interrupt.
mbed_official 126:549ba18ddd81 586 * @arg DMA1_IT_HT7: DMA1 Channel7 half transfer interrupt.
mbed_official 126:549ba18ddd81 587 * @arg DMA1_IT_TE7: DMA1 Channel7 transfer error interrupt.
mbed_official 126:549ba18ddd81 588 * @arg DMA2_IT_GL1: DMA2 Channel1 global interrupt.
mbed_official 126:549ba18ddd81 589 * @arg DMA2_IT_TC1: DMA2 Channel1 transfer complete interrupt.
mbed_official 126:549ba18ddd81 590 * @arg DMA2_IT_HT1: DMA2 Channel1 half transfer interrupt.
mbed_official 126:549ba18ddd81 591 * @arg DMA2_IT_TE1: DMA2 Channel1 transfer error interrupt.
mbed_official 126:549ba18ddd81 592 * @arg DMA2_IT_GL2: DMA2 Channel2 global interrupt.
mbed_official 126:549ba18ddd81 593 * @arg DMA2_IT_TC2: DMA2 Channel2 transfer complete interrupt.
mbed_official 126:549ba18ddd81 594 * @arg DMA2_IT_HT2: DMA2 Channel2 half transfer interrupt.
mbed_official 126:549ba18ddd81 595 * @arg DMA2_IT_TE2: DMA2 Channel2 transfer error interrupt.
mbed_official 126:549ba18ddd81 596 * @arg DMA2_IT_GL3: DMA2 Channel3 global interrupt.
mbed_official 126:549ba18ddd81 597 * @arg DMA2_IT_TC3: DMA2 Channel3 transfer complete interrupt.
mbed_official 126:549ba18ddd81 598 * @arg DMA2_IT_HT3: DMA2 Channel3 half transfer interrupt.
mbed_official 126:549ba18ddd81 599 * @arg DMA2_IT_TE3: DMA2 Channel3 transfer error interrupt.
mbed_official 126:549ba18ddd81 600 * @arg DMA2_IT_GL4: DMA2 Channel4 global interrupt.
mbed_official 126:549ba18ddd81 601 * @arg DMA2_IT_TC4: DMA2 Channel4 transfer complete interrupt.
mbed_official 126:549ba18ddd81 602 * @arg DMA2_IT_HT4: DMA2 Channel4 half transfer interrupt.
mbed_official 126:549ba18ddd81 603 * @arg DMA2_IT_TE4: DMA2 Channel4 transfer error interrupt.
mbed_official 126:549ba18ddd81 604 * @arg DMA2_IT_GL5: DMA2 Channel5 global interrupt.
mbed_official 126:549ba18ddd81 605 * @arg DMA2_IT_TC5: DMA2 Channel5 transfer complete interrupt.
mbed_official 126:549ba18ddd81 606 * @arg DMA2_IT_HT5: DMA2 Channel5 half transfer interrupt.
mbed_official 126:549ba18ddd81 607 * @arg DMA2_IT_TE5: DMA2 Channel5 transfer error interrupt.
mbed_official 126:549ba18ddd81 608 * @retval The new state of DMAy_IT (SET or RESET).
mbed_official 126:549ba18ddd81 609 */
mbed_official 126:549ba18ddd81 610 ITStatus DMA_GetITStatus(uint32_t DMAy_IT)
mbed_official 126:549ba18ddd81 611 {
mbed_official 126:549ba18ddd81 612 ITStatus bitstatus = RESET;
mbed_official 126:549ba18ddd81 613 uint32_t tmpreg = 0;
mbed_official 126:549ba18ddd81 614
mbed_official 126:549ba18ddd81 615 /* Check the parameters */
mbed_official 126:549ba18ddd81 616 assert_param(IS_DMA_GET_IT(DMAy_IT));
mbed_official 126:549ba18ddd81 617
mbed_official 126:549ba18ddd81 618 /* Calculate the used DMA */
mbed_official 126:549ba18ddd81 619 if ((DMAy_IT & FLAG_Mask) != (uint32_t)RESET)
mbed_official 126:549ba18ddd81 620 {
mbed_official 126:549ba18ddd81 621 /* Get DMA2 ISR register value */
mbed_official 126:549ba18ddd81 622 tmpreg = DMA2->ISR;
mbed_official 126:549ba18ddd81 623 }
mbed_official 126:549ba18ddd81 624 else
mbed_official 126:549ba18ddd81 625 {
mbed_official 126:549ba18ddd81 626 /* Get DMA1 ISR register value */
mbed_official 126:549ba18ddd81 627 tmpreg = DMA1->ISR;
mbed_official 126:549ba18ddd81 628 }
mbed_official 126:549ba18ddd81 629
mbed_official 126:549ba18ddd81 630 /* Check the status of the specified DMAy interrupt */
mbed_official 126:549ba18ddd81 631 if ((tmpreg & DMAy_IT) != (uint32_t)RESET)
mbed_official 126:549ba18ddd81 632 {
mbed_official 126:549ba18ddd81 633 /* DMAy_IT is set */
mbed_official 126:549ba18ddd81 634 bitstatus = SET;
mbed_official 126:549ba18ddd81 635 }
mbed_official 126:549ba18ddd81 636 else
mbed_official 126:549ba18ddd81 637 {
mbed_official 126:549ba18ddd81 638 /* DMAy_IT is reset */
mbed_official 126:549ba18ddd81 639 bitstatus = RESET;
mbed_official 126:549ba18ddd81 640 }
mbed_official 126:549ba18ddd81 641 /* Return the DMA_IT status */
mbed_official 126:549ba18ddd81 642 return bitstatus;
mbed_official 126:549ba18ddd81 643 }
mbed_official 126:549ba18ddd81 644
mbed_official 126:549ba18ddd81 645 /**
mbed_official 126:549ba18ddd81 646 * @brief Clears the DMAy Channelx's interrupt pending bits.
mbed_official 126:549ba18ddd81 647 * @param DMAy_IT: specifies the DMAy interrupt pending bit to clear.
mbed_official 126:549ba18ddd81 648 * This parameter can be any combination (for the same DMA) of the following values:
mbed_official 126:549ba18ddd81 649 * @arg DMA1_IT_GL1: DMA1 Channel1 global interrupt.
mbed_official 126:549ba18ddd81 650 * @arg DMA1_IT_TC1: DMA1 Channel1 transfer complete interrupt.
mbed_official 126:549ba18ddd81 651 * @arg DMA1_IT_HT1: DMA1 Channel1 half transfer interrupt.
mbed_official 126:549ba18ddd81 652 * @arg DMA1_IT_TE1: DMA1 Channel1 transfer error interrupt.
mbed_official 126:549ba18ddd81 653 * @arg DMA1_IT_GL2: DMA1 Channel2 global interrupt.
mbed_official 126:549ba18ddd81 654 * @arg DMA1_IT_TC2: DMA1 Channel2 transfer complete interrupt.
mbed_official 126:549ba18ddd81 655 * @arg DMA1_IT_HT2: DMA1 Channel2 half transfer interrupt.
mbed_official 126:549ba18ddd81 656 * @arg DMA1_IT_TE2: DMA1 Channel2 transfer error interrupt.
mbed_official 126:549ba18ddd81 657 * @arg DMA1_IT_GL3: DMA1 Channel3 global interrupt.
mbed_official 126:549ba18ddd81 658 * @arg DMA1_IT_TC3: DMA1 Channel3 transfer complete interrupt.
mbed_official 126:549ba18ddd81 659 * @arg DMA1_IT_HT3: DMA1 Channel3 half transfer interrupt.
mbed_official 126:549ba18ddd81 660 * @arg DMA1_IT_TE3: DMA1 Channel3 transfer error interrupt.
mbed_official 126:549ba18ddd81 661 * @arg DMA1_IT_GL4: DMA1 Channel4 global interrupt.
mbed_official 126:549ba18ddd81 662 * @arg DMA1_IT_TC4: DMA1 Channel4 transfer complete interrupt.
mbed_official 126:549ba18ddd81 663 * @arg DMA1_IT_HT4: DMA1 Channel4 half transfer interrupt.
mbed_official 126:549ba18ddd81 664 * @arg DMA1_IT_TE4: DMA1 Channel4 transfer error interrupt.
mbed_official 126:549ba18ddd81 665 * @arg DMA1_IT_GL5: DMA1 Channel5 global interrupt.
mbed_official 126:549ba18ddd81 666 * @arg DMA1_IT_TC5: DMA1 Channel5 transfer complete interrupt.
mbed_official 126:549ba18ddd81 667 * @arg DMA1_IT_HT5: DMA1 Channel5 half transfer interrupt.
mbed_official 126:549ba18ddd81 668 * @arg DMA1_IT_TE5: DMA1 Channel5 transfer error interrupt.
mbed_official 126:549ba18ddd81 669 * @arg DMA1_IT_GL6: DMA1 Channel6 global interrupt.
mbed_official 126:549ba18ddd81 670 * @arg DMA1_IT_TC6: DMA1 Channel6 transfer complete interrupt.
mbed_official 126:549ba18ddd81 671 * @arg DMA1_IT_HT6: DMA1 Channel6 half transfer interrupt.
mbed_official 126:549ba18ddd81 672 * @arg DMA1_IT_TE6: DMA1 Channel6 transfer error interrupt.
mbed_official 126:549ba18ddd81 673 * @arg DMA1_IT_GL7: DMA1 Channel7 global interrupt.
mbed_official 126:549ba18ddd81 674 * @arg DMA1_IT_TC7: DMA1 Channel7 transfer complete interrupt.
mbed_official 126:549ba18ddd81 675 * @arg DMA1_IT_HT7: DMA1 Channel7 half transfer interrupt.
mbed_official 126:549ba18ddd81 676 * @arg DMA1_IT_TE7: DMA1 Channel7 transfer error interrupt.
mbed_official 126:549ba18ddd81 677 * @arg DMA2_IT_GL1: DMA2 Channel1 global interrupt.
mbed_official 126:549ba18ddd81 678 * @arg DMA2_IT_TC1: DMA2 Channel1 transfer complete interrupt.
mbed_official 126:549ba18ddd81 679 * @arg DMA2_IT_HT1: DMA2 Channel1 half transfer interrupt.
mbed_official 126:549ba18ddd81 680 * @arg DMA2_IT_TE1: DMA2 Channel1 transfer error interrupt.
mbed_official 126:549ba18ddd81 681 * @arg DMA2_IT_GL2: DMA2 Channel2 global interrupt.
mbed_official 126:549ba18ddd81 682 * @arg DMA2_IT_TC2: DMA2 Channel2 transfer complete interrupt.
mbed_official 126:549ba18ddd81 683 * @arg DMA2_IT_HT2: DMA2 Channel2 half transfer interrupt.
mbed_official 126:549ba18ddd81 684 * @arg DMA2_IT_TE2: DMA2 Channel2 transfer error interrupt.
mbed_official 126:549ba18ddd81 685 * @arg DMA2_IT_GL3: DMA2 Channel3 global interrupt.
mbed_official 126:549ba18ddd81 686 * @arg DMA2_IT_TC3: DMA2 Channel3 transfer complete interrupt.
mbed_official 126:549ba18ddd81 687 * @arg DMA2_IT_HT3: DMA2 Channel3 half transfer interrupt.
mbed_official 126:549ba18ddd81 688 * @arg DMA2_IT_TE3: DMA2 Channel3 transfer error interrupt.
mbed_official 126:549ba18ddd81 689 * @arg DMA2_IT_GL4: DMA2 Channel4 global interrupt.
mbed_official 126:549ba18ddd81 690 * @arg DMA2_IT_TC4: DMA2 Channel4 transfer complete interrupt.
mbed_official 126:549ba18ddd81 691 * @arg DMA2_IT_HT4: DMA2 Channel4 half transfer interrupt.
mbed_official 126:549ba18ddd81 692 * @arg DMA2_IT_TE4: DMA2 Channel4 transfer error interrupt.
mbed_official 126:549ba18ddd81 693 * @arg DMA2_IT_GL5: DMA2 Channel5 global interrupt.
mbed_official 126:549ba18ddd81 694 * @arg DMA2_IT_TC5: DMA2 Channel5 transfer complete interrupt.
mbed_official 126:549ba18ddd81 695 * @arg DMA2_IT_HT5: DMA2 Channel5 half transfer interrupt.
mbed_official 126:549ba18ddd81 696 * @arg DMA2_IT_TE5: DMA2 Channel5 transfer error interrupt.
mbed_official 126:549ba18ddd81 697 * @retval None
mbed_official 126:549ba18ddd81 698 */
mbed_official 126:549ba18ddd81 699 void DMA_ClearITPendingBit(uint32_t DMAy_IT)
mbed_official 126:549ba18ddd81 700 {
mbed_official 126:549ba18ddd81 701 /* Check the parameters */
mbed_official 126:549ba18ddd81 702 assert_param(IS_DMA_CLEAR_IT(DMAy_IT));
mbed_official 126:549ba18ddd81 703
mbed_official 126:549ba18ddd81 704 /* Calculate the used DMAy */
mbed_official 126:549ba18ddd81 705 if ((DMAy_IT & FLAG_Mask) != (uint32_t)RESET)
mbed_official 126:549ba18ddd81 706 {
mbed_official 126:549ba18ddd81 707 /* Clear the selected DMAy interrupt pending bits */
mbed_official 126:549ba18ddd81 708 DMA2->IFCR = DMAy_IT;
mbed_official 126:549ba18ddd81 709 }
mbed_official 126:549ba18ddd81 710 else
mbed_official 126:549ba18ddd81 711 {
mbed_official 126:549ba18ddd81 712 /* Clear the selected DMAy interrupt pending bits */
mbed_official 126:549ba18ddd81 713 DMA1->IFCR = DMAy_IT;
mbed_official 126:549ba18ddd81 714 }
mbed_official 126:549ba18ddd81 715 }
mbed_official 126:549ba18ddd81 716
mbed_official 126:549ba18ddd81 717 /**
mbed_official 126:549ba18ddd81 718 * @}
mbed_official 126:549ba18ddd81 719 */
mbed_official 126:549ba18ddd81 720
mbed_official 126:549ba18ddd81 721 /**
mbed_official 126:549ba18ddd81 722 * @}
mbed_official 126:549ba18ddd81 723 */
mbed_official 126:549ba18ddd81 724
mbed_official 126:549ba18ddd81 725 /**
mbed_official 126:549ba18ddd81 726 * @}
mbed_official 126:549ba18ddd81 727 */
mbed_official 126:549ba18ddd81 728
mbed_official 126:549ba18ddd81 729 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/