230 lines
9.7 KiB
C
230 lines
9.7 KiB
C
|
/**
|
|||
|
|
*******************************************************************************************************
|
|||
|
|
* @file fm33lg0xx_fl_dma.c
|
|||
|
|
* @author FMSH Application Team
|
|||
|
|
* @brief Src file of DMA FL Module
|
|||
|
|
*******************************************************************************************************
|
|||
|
|
* @attention
|
|||
|
|
*
|
|||
|
|
* Copyright (c) [2021] [Fudan Microelectronics]
|
|||
|
|
* THIS SOFTWARE is licensed under Mulan PSL v2.
|
|||
|
|
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
|||
|
|
* You may obtain a copy of Mulan PSL v2 at:
|
|||
|
|
* http://license.coscl.org.cn/MulanPSL2
|
|||
|
|
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
|||
|
|
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
|||
|
|
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
|||
|
|
* See the Mulan PSL v2 for more details.
|
|||
|
|
*
|
|||
|
|
*******************************************************************************************************
|
|||
|
|
*/
|
|||
|
|
/* Includes ------------------------------------------------------------------*/
|
|||
|
|
#include "fm33lg0xx_fl.h"
|
|||
|
|
|
|||
|
|
/** @addtogroup FM33LG0XX_FL_Driver
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/** @addtogroup DMA
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#ifdef FL_DMA_DRIVER_ENABLED
|
|||
|
|
|
|||
|
|
/* Private macros ------------------------------------------------------------*/
|
|||
|
|
/** @addtogroup DMA_FL_Private_Macros
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
#define IS_FL_DMA_INSTANCE(INTANCE) ((INTANCE) == DMA)
|
|||
|
|
|
|||
|
|
#define IS_FL_DMA_PRIORITY(__VALUE__) (((__VALUE__) == FL_DMA_PRIORITY_LOW)||\
|
|||
|
|
((__VALUE__) == FL_DMA_PRIORITY_MEDIUM)||\
|
|||
|
|
((__VALUE__) == FL_DMA_PRIORITY_HIGH)||\
|
|||
|
|
((__VALUE__) == FL_DMA_PRIORITY_VERYHIGH))
|
|||
|
|
|
|||
|
|
#define IS_FL_DMA_CIRC_MODE(__VALUE__) (((__VALUE__) == FL_DISABLE)||\
|
|||
|
|
((__VALUE__) == FL_ENABLE))
|
|||
|
|
|
|||
|
|
|
|||
|
|
#define IS_FL_DMA_DIRECION(__VALUE__) (((__VALUE__) == FL_DMA_DIR_PERIPHERAL_TO_RAM)||\
|
|||
|
|
((__VALUE__) == FL_DMA_DIR_RAM_TO_PERIPHERAL)||\
|
|||
|
|
((__VALUE__) == FL_DMA_DIR_FLASH_TO_RAM)||\
|
|||
|
|
((__VALUE__) == FL_DMA_DIR_RAM_TO_FLASH))
|
|||
|
|
|
|||
|
|
|
|||
|
|
#define IS_FL_DMA_DATA_SIZE(__VALUE__) (((__VALUE__) == FL_DMA_BANDWIDTH_8B)||\
|
|||
|
|
((__VALUE__) == FL_DMA_BANDWIDTH_16B)||\
|
|||
|
|
((__VALUE__) == FL_DMA_BANDWIDTH_32B))
|
|||
|
|
|
|||
|
|
#define IS_FL_DMA_INCMODE(__VALUE__) (((__VALUE__) == FL_DMA_MEMORY_INC_MODE_INCREASE)||\
|
|||
|
|
((__VALUE__) == FL_DMA_MEMORY_INC_MODE_DECREASE) ||\
|
|||
|
|
((__VALUE__) == FL_DMA_CH7_RAM_INC_MODE_INCREASE)||\
|
|||
|
|
((__VALUE__) == FL_DMA_CH7_RAM_INC_MODE_DECREASE)||\
|
|||
|
|
((__VALUE__) == FL_DMA_CH7_FLASH_INC_MODE_INCREASE)||\
|
|||
|
|
((__VALUE__) == FL_DMA_CH7_FLASH_INC_MODE_DECREASE))
|
|||
|
|
|
|||
|
|
#define IS_FL_DMA_PERIPH(__VALUE__) (((__VALUE__) == FL_DMA_PERIPHERAL_FUNCTION1)||\
|
|||
|
|
((__VALUE__) == FL_DMA_PERIPHERAL_FUNCTION2)||\
|
|||
|
|
((__VALUE__) == FL_DMA_PERIPHERAL_FUNCTION3)||\
|
|||
|
|
((__VALUE__) == FL_DMA_PERIPHERAL_FUNCTION4)||\
|
|||
|
|
((__VALUE__) == FL_DMA_PERIPHERAL_FUNCTION5)||\
|
|||
|
|
((__VALUE__) == FL_DMA_PERIPHERAL_FUNCTION6)||\
|
|||
|
|
((__VALUE__) == FL_DMA_PERIPHERAL_FUNCTION7)||\
|
|||
|
|
((__VALUE__) == FL_DMA_PERIPHERAL_FUNCTION8))
|
|||
|
|
/**
|
|||
|
|
* @}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/* Exported functions --------------------------------------------------------*/
|
|||
|
|
/** @addtogroup DMA_FL_EF_Init
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief 复位对应DMA寄存器.
|
|||
|
|
* @param DMAx
|
|||
|
|
* @retval ErrorStatus枚举值:
|
|||
|
|
* -FL_PASS 外设寄存器值恢复复位值
|
|||
|
|
* -FL_FAIL 未成功执行
|
|||
|
|
*/
|
|||
|
|
FL_ErrorStatus FL_DMA_DeInit(DMA_Type *DMAx)
|
|||
|
|
{
|
|||
|
|
assert_param(IS_FL_DMA_INSTANCE(DMAx));
|
|||
|
|
/* 使能外设复位 */
|
|||
|
|
FL_RMU_EnablePeripheralReset(RMU);
|
|||
|
|
/* 复位外设寄存器 */
|
|||
|
|
FL_RMU_EnableResetAHBPeripheral(RMU, FL_RMU_RSTAHB_DMA);
|
|||
|
|
FL_RMU_DisableResetAHBPeripheral(RMU, FL_RMU_RSTAHB_DMA);
|
|||
|
|
/* 关闭外设总线始时钟和工作时钟 */
|
|||
|
|
FL_CMU_DisableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_DMA);
|
|||
|
|
/* 锁定外设复位 */
|
|||
|
|
FL_RMU_DisablePeripheralReset(RMU);
|
|||
|
|
return FL_PASS;
|
|||
|
|
}
|
|||
|
|
/**
|
|||
|
|
* @brief 根据 DMA_InitStruct 的配置信息初始化对应外设入口地址的寄存器值.
|
|||
|
|
* @param DMAx DMAx
|
|||
|
|
* @param DMA_InitStruct 指向一个 @ref FL_DMA_InitTypeDef 结构体
|
|||
|
|
* 其中包含了外设的相关配置信息.
|
|||
|
|
* @param Channel This parameter can be one of the following values:
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_0
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_1
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_2
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_3
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_4
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_5
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_6
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_7
|
|||
|
|
* @retval ErrorStatus枚举值
|
|||
|
|
* -FL_FAIL 配置过程发生错误
|
|||
|
|
* -FL_PASS 配置成功
|
|||
|
|
*/
|
|||
|
|
FL_ErrorStatus FL_DMA_Init(DMA_Type *DMAx, FL_DMA_InitTypeDef *initStruct, uint32_t channel)
|
|||
|
|
{
|
|||
|
|
/* 参数检查 */
|
|||
|
|
assert_param(IS_FL_DMA_INSTANCE(DMAx));
|
|||
|
|
assert_param(IS_FL_DMA_PRIORITY(initStruct->priority));
|
|||
|
|
assert_param(IS_FL_DMA_CIRC_MODE(initStruct->circMode));
|
|||
|
|
assert_param(IS_FL_DMA_DIRECION(initStruct->direction));
|
|||
|
|
assert_param(IS_FL_DMA_DATA_SIZE(initStruct->dataSize));
|
|||
|
|
assert_param(IS_FL_DMA_INCMODE(initStruct->memoryAddressIncMode));
|
|||
|
|
/* 开启时钟 */
|
|||
|
|
FL_CMU_EnableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_DMA);
|
|||
|
|
/* 配置通道优先级 */
|
|||
|
|
FL_DMA_SetPriority(DMAx, initStruct->priority, channel);
|
|||
|
|
/* RAM地址方向 */
|
|||
|
|
FL_DMA_SetMemoryIncrementMode(DMAx, initStruct->memoryAddressIncMode, channel);
|
|||
|
|
/* 传输方向 */
|
|||
|
|
FL_DMA_SetTransmissionDirection(DMAx, initStruct->direction, channel);
|
|||
|
|
/* 数据宽度 */
|
|||
|
|
FL_DMA_SetBandwidth(DMAx, initStruct->dataSize, channel);
|
|||
|
|
/* 循环模式 */
|
|||
|
|
if(initStruct->circMode == FL_ENABLE)
|
|||
|
|
{
|
|||
|
|
if(channel == FL_DMA_CHANNEL_7)
|
|||
|
|
{
|
|||
|
|
return FL_FAIL;
|
|||
|
|
}
|
|||
|
|
FL_DMA_EnableCircularMode(DMAx, channel);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
FL_DMA_DisableCircularMode(DMAx, channel);
|
|||
|
|
}
|
|||
|
|
/* 如果是通道7 外设地址实际就是FLASH地址，因此这里针对通道7做了单独处理 */
|
|||
|
|
if(channel != FL_DMA_CHANNEL_7)
|
|||
|
|
{
|
|||
|
|
assert_param(IS_FL_DMA_PERIPH(initStruct->periphAddress));
|
|||
|
|
FL_DMA_SetPeripheralMap(DMAx, initStruct->periphAddress, channel);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
FL_DMA_SetFlashAddrIncremental(DMAx, initStruct->flashAddressIncMode);
|
|||
|
|
}
|
|||
|
|
return FL_PASS;
|
|||
|
|
}
|
|||
|
|
/**
|
|||
|
|
* @brief 设置 CRC_InitStruct 为默认配置
|
|||
|
|
* @param CRC_InitStruct 指向需要将值设置为默认配置的结构体 @ref FL_CRC_InitTypeDef 结构体
|
|||
|
|
*
|
|||
|
|
* @retval None
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
void FL_DMA_StructInit(FL_DMA_InitTypeDef *initStruct)
|
|||
|
|
{
|
|||
|
|
initStruct->circMode = FL_DISABLE;
|
|||
|
|
initStruct->dataSize = FL_DMA_BANDWIDTH_8B;
|
|||
|
|
initStruct->direction = FL_DMA_DIR_PERIPHERAL_TO_RAM;
|
|||
|
|
initStruct->periphAddress = FL_DMA_PERIPHERAL_FUNCTION1;
|
|||
|
|
initStruct->priority = FL_DMA_PRIORITY_LOW;
|
|||
|
|
initStruct->memoryAddressIncMode = FL_DMA_MEMORY_INC_MODE_INCREASE;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief 启动一次DMA传输.
|
|||
|
|
* @param DMAx DMAx
|
|||
|
|
* @param configStruct 指向一个 @ref FL_DMA_ConfigTypeDef 结构体
|
|||
|
|
* 其中包含了外设的相关配置信息.
|
|||
|
|
* @param Channel This parameter can be one of the following values:
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_0
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_1
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_2
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_3
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_4
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_5
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_6
|
|||
|
|
* @arg @ref FL_DMA_CHANNEL_7
|
|||
|
|
* @retval ErrorStatus枚举值
|
|||
|
|
* -FL_FAIL 过程发生错误可能是超时也可能是地址非法
|
|||
|
|
* -FL_PASS 成功
|
|||
|
|
*/
|
|||
|
|
FL_ErrorStatus FL_DMA_StartTransmission(DMA_Type *DMAx, FL_DMA_ConfigTypeDef *configStruct, uint32_t channel)
|
|||
|
|
{
|
|||
|
|
/* 配置传输个数 */
|
|||
|
|
FL_DMA_WriteTransmissionSize(DMAx, configStruct->transmissionCount, channel);
|
|||
|
|
/* 配置Memory地址 */
|
|||
|
|
FL_DMA_WriteMemoryAddress(DMAx, configStruct->memoryAddress, channel);
|
|||
|
|
/* 清除通道中断标志位 */
|
|||
|
|
FL_DMA_ClearFlag_TransferHalfComplete(DMAx, channel);
|
|||
|
|
FL_DMA_ClearFlag_TransferComplete(DMAx, channel);
|
|||
|
|
/* 使能DMA通道使能开关 */
|
|||
|
|
FL_DMA_EnableChannel(DMAx, channel);
|
|||
|
|
return FL_PASS;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#endif /* FL_DIVAS_DRIVER_ENABLED */
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/*************************(C) COPYRIGHT Fudan Microelectronics **** END OF FILE*************************/
|