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rt-thread/bsp/gd32450z-eval/Libraries/GD32F4xx_standard_peripheral/Include/gd32f4xx_dma.h

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add gd32f450 bsp
2017-08-22 15:52:57 +08:00
/*!
\file gd32f4xx_dma.h
\brief definitions for the DMA
*/
/*
Copyright (C) 2016 GigaDevice
2016-08-15, V1.0.0, firmware for GD32F4xx
*/
#ifndef GD32F4XX_DMA_H
#define GD32F4XX_DMA_H
#include "gd32f4xx.h"
/* DMA definitions */
#define DMA0 (DMA_BASE) /*!< DMA0 base address */
#define DMA1 (DMA_BASE + 0x0400U) /*!< DMA1 base address */
/* registers definitions */
#define DMA_INTF0(dmax) REG32((dmax) + 0x00U) /*!< DMA interrupt flag register 0 */
#define DMA_INTF1(dmax) REG32((dmax) + 0x04U) /*!< DMA interrupt flag register 1 */
#define DMA_INTC0(dmax) REG32((dmax) + 0x08U) /*!< DMA interrupt flag clear register 0 */
#define DMA_INTC1(dmax) REG32((dmax) + 0x0CU) /*!< DMA interrupt flag clear register 1 */
#define DMA_CH0CTL(dmax) REG32((dmax) + 0x10U) /*!< DMA channel 0 control register */
#define DMA_CH0CNT(dmax) REG32((dmax) + 0x14U) /*!< DMA channel 0 counter register */
#define DMA_CH0PADDR(dmax) REG32((dmax) + 0x18U) /*!< DMA channel 0 peripheral base address register */
#define DMA_CH0M0ADDR(dmax) REG32((dmax) + 0x1CU) /*!< DMA channel 0 memory 0 base address register */
#define DMA_CH0M1ADDR(dmax) REG32((dmax) + 0x20U) /*!< DMA channel 0 memory 1 base address register */
#define DMA_CH0FCTL(dmax) REG32((dmax) + 0x24U) /*!< DMA channel 0 FIFO control register */
#define DMA_CH1CTL(dmax) REG32((dmax) + 0x28U) /*!< DMA channel 1 control register */
#define DMA_CH1CNT(dmax) REG32((dmax) + 0x2CU) /*!< DMA channel 1 counter register */
#define DMA_CH1PADDR(dmax) REG32((dmax) + 0x30U) /*!< DMA channel 1 peripheral base address register */
#define DMA_CH1M0ADDR(dmax) REG32((dmax) + 0x34U) /*!< DMA channel 1 memory 0 base address register */
#define DMA_CH1M1ADDR(dmax) REG32((dmax) + 0x38U) /*!< DMA channel 1 memory 1 base address register */
#define DMA_CH1FCTL(dmax) REG32((dmax) + 0x3CU) /*!< DMA channel 1 FIFO control register */
#define DMA_CH2CTL(dmax) REG32((dmax) + 0x40U) /*!< DMA channel 2 control register */
#define DMA_CH2CNT(dmax) REG32((dmax) + 0x44U) /*!< DMA channel 2 counter register */
#define DMA_CH2PADDR(dmax) REG32((dmax) + 0x48U) /*!< DMA channel 2 peripheral base address register */
#define DMA_CH2M0ADDR(dmax) REG32((dmax) + 0x4CU) /*!< DMA channel 2 memory 0 base address register */
#define DMA_CH2M1ADDR(dmax) REG32((dmax) + 0x50U) /*!< DMA channel 2 memory 1 base address register */
#define DMA_CH2FCTL(dmax) REG32((dmax) + 0x54U) /*!< DMA channel 2 FIFO control register */
#define DMA_CH3CTL(dmax) REG32((dmax) + 0x58U) /*!< DMA channel 3 control register */
#define DMA_CH3CNT(dmax) REG32((dmax) + 0x5CU) /*!< DMA channel 3 counter register */
#define DMA_CH3PADDR(dmax) REG32((dmax) + 0x60U) /*!< DMA channel 3 peripheral base address register */
#define DMA_CH3M0ADDR(dmax) REG32((dmax) + 0x64U) /*!< DMA channel 3 memory 0 base address register */
#define DMA_CH3M1ADDR(dmax) REG32((dmax) + 0x68U) /*!< DMA channel 3 memory 1 base address register */
#define DMA_CH3FCTL(dmax) REG32((dmax) + 0x6CU) /*!< DMA channel 3 FIFO control register */
#define DMA_CH4CTL(dmax) REG32((dmax) + 0x70U) /*!< DMA channel 4 control register */
#define DMA_CH4CNT(dmax) REG32((dmax) + 0x74U) /*!< DMA channel 4 counter register */
#define DMA_CH4PADDR(dmax) REG32((dmax) + 0x78U) /*!< DMA channel 4 peripheral base address register */
#define DMA_CH4M0ADDR(dmax) REG32((dmax) + 0x7CU) /*!< DMA channel 4 memory 0 base address register */
#define DMA_CH4M1ADDR(dmax) REG32((dmax) + 0x80U) /*!< DMA channel 4 memory 1 base address register */
#define DMA_CH4FCTL(dmax) REG32((dmax) + 0x84U) /*!< DMA channel 4 FIFO control register */
#define DMA_CH5CTL(dmax) REG32((dmax) + 0x88U) /*!< DMA channel 5 control register */
#define DMA_CH5CNT(dmax) REG32((dmax) + 0x8CU) /*!< DMA channel 5 counter register */
#define DMA_CH5PADDR(dmax) REG32((dmax) + 0x90U) /*!< DMA channel 5 peripheral base address register */
#define DMA_CH5M0ADDR(dmax) REG32((dmax) + 0x94U) /*!< DMA channel 5 memory 0 base address register */
#define DMA_CH5M1ADDR(dmax) REG32((dmax) + 0x98U) /*!< DMA channel 5 memory 1 base address register */
#define DMA_CH5FCTL(dmax) REG32((dmax) + 0x9CU) /*!< DMA channel 5 FIFO control register */
#define DMA_CH6CTL(dmax) REG32((dmax) + 0xA0U) /*!< DMA channel 6 control register */
#define DMA_CH6CNT(dmax) REG32((dmax) + 0xA4U) /*!< DMA channel 6 counter register */
#define DMA_CH6PADDR(dmax) REG32((dmax) + 0xA8U) /*!< DMA channel 6 peripheral base address register */
#define DMA_CH6M0ADDR(dmax) REG32((dmax) + 0xACU) /*!< DMA channel 6 memory 0 base address register */
#define DMA_CH6M1ADDR(dmax) REG32((dmax) + 0xB0U) /*!< DMA channel 6 memory 1 base address register */
#define DMA_CH6FCTL(dmax) REG32((dmax) + 0xB4U) /*!< DMA channel 6 FIFO control register */
#define DMA_CH7CTL(dmax) REG32((dmax) + 0xB8U) /*!< DMA channel 7 control register */
#define DMA_CH7CNT(dmax) REG32((dmax) + 0xBCU) /*!< DMA channel 7 counter register */
#define DMA_CH7PADDR(dmax) REG32((dmax) + 0xC0U) /*!< DMA channel 7 peripheral base address register */
#define DMA_CH7M0ADDR(dmax) REG32((dmax) + 0xC4U) /*!< DMA channel 7 memory 0 base address register */
#define DMA_CH7M1ADDR(dmax) REG32((dmax) + 0xC8U) /*!< DMA channel 7 memory 1 base address register */
#define DMA_CH7FCTL(dmax) REG32((dmax) + 0xCCU) /*!< DMA channel 7 FIFO control register */
/* bits definitions */
/* DMA_INTF */
#define DMA_INTF_FEEIF BIT(0) /*!< FIFO error and exception flag */
#define DMA_INTF_SDEIF BIT(2) /*!< single data mode exception flag */
#define DMA_INTF_TAEIF BIT(3) /*!< transfer access error flag */
#define DMA_INTF_HTFIF BIT(4) /*!< half transfer finish flag */
#define DMA_INTF_FTFIF BIT(5) /*!< full transger finish flag */
/* DMA_INTC */
#define DMA_INTC_FEEIFC BIT(0) /*!< clear FIFO error and exception flag */
#define DMA_INTC_SDEIFC BIT(2) /*!< clear single data mode exception flag */
#define DMA_INTC_TAEIFC BIT(3) /*!< clear single data mode exception flag */
#define DMA_INTC_HTFIFC BIT(4) /*!< clear half transfer finish flag */
#define DMA_INTC_FTFIFC BIT(5) /*!< clear full transger finish flag */
/* DMA_CHxCTL,x=0..7 */
#define DMA_CHXCTL_CHEN BIT(0) /*!< channel x enable */
#define DMA_CHXCTL_SDEIE BIT(1) /*!< enable bit for channel x single data mode exception interrupt */
#define DMA_CHXCTL_TAEIE BIT(2) /*!< enable bit for channel x tranfer access error interrupt */
#define DMA_CHXCTL_HTFIE BIT(3) /*!< enable bit for channel x half transfer finish interrupt */
#define DMA_CHXCTL_FTFIE BIT(4) /*!< enable bit for channel x full transfer finish interrupt */
#define DMA_CHXCTL_TFCS BIT(5) /*!< transfer flow controller select */
#define DMA_CHXCTL_TM BITS(6,7) /*!< transfer mode */
#define DMA_CHXCTL_CMEN BIT(8) /*!< circulation mode */
#define DMA_CHXCTL_PNAGA BIT(9) /*!< next address generation algorithm of peripheral */
#define DMA_CHXCTL_MNAGA BIT(10) /*!< next address generation algorithm of memory */
#define DMA_CHXCTL_PWIDTH BITS(11,12) /*!< transfer width of peipheral */
#define DMA_CHXCTL_MWIDTH BITS(13,14) /*!< transfer width of memory */
#define DMA_CHXCTL_PAIF BIT(15) /*!< peripheral address increment fixed */
#define DMA_CHXCTL_PRIO BITS(16,17) /*!< priority level */
#define DMA_CHXCTL_SBMEN BIT(18) /*!< switch-buffer mode enable */
#define DMA_CHXCTL_MBS BIT(19) /*!< memory buffer select */
#define DMA_CHXCTL_PBURST BITS(21,22) /*!< transfer burst type of peripheral */
#define DMA_CHXCTL_MBURST BITS(23,24) /*!< transfer burst type of memory */
#define DMA_CHXCTL_PERIEN BITS(25,27) /*!< peripheral enable */
/* DMA_CHxCNT,x=0..7 */
#define DMA_CHXCNT_CNT BITS(0,15) /*!< transfer counter */
/* DMA_CHxPADDR,x=0..7 */
#define DMA_CHXPADDR_PADDR BITS(0,31) /*!< peripheral base address */
/* DMA_CHxM0ADDR,x=0..7 */
#define DMA_CHXM0ADDR_PADDR BITS(0,31) /*!< memory 0 base address */
/* DMA_CHxM1ADDR,x=0..7 */
#define DMA_CHXM1ADDR_PADDR BITS(0,31) /*!< memory 1 base address */
/* DMA_CHxFCTL,x=0..7 */
#define DMA_CHXFCTL_FCCV BITS(0,1) /*!< FIFO counter critical value */
#define DMA_CHXFCTL_MDMEN BIT(2) /*!< multi-data mode enable */
#define DMA_CHXFCTL_FCNT BITS(3,5) /*!< FIFO counter */
#define DMA_CHXFCTL_FEEIE BIT(7) /*!< FIFO exception interrupt enable */
/* constants definitions */
/* DMA channel select */
typedef enum
{
DMA_CH0 = 0, /*!< DMA Channel 0 */
DMA_CH1, /*!< DMA Channel 1 */
DMA_CH2, /*!< DMA Channel 2 */
DMA_CH3, /*!< DMA Channel 3 */
DMA_CH4, /*!< DMA Channel 4 */
DMA_CH5, /*!< DMA Channel 5 */
DMA_CH6, /*!< DMA Channel 6 */
DMA_CH7 /*!< DMA Channel 7 */
} dma_channel_enum;
/* DMA peripheral select */
typedef enum
{
DMA_SUBPERI0 = 0, /*!< DMA Peripheral 0 */
DMA_SUBPERI1, /*!< DMA Peripheral 1 */
DMA_SUBPERI2, /*!< DMA Peripheral 2 */
DMA_SUBPERI3, /*!< DMA Peripheral 3 */
DMA_SUBPERI4, /*!< DMA Peripheral 4 */
DMA_SUBPERI5, /*!< DMA Peripheral 5 */
DMA_SUBPERI6, /*!< DMA Peripheral 6 */
DMA_SUBPERI7 /*!< DMA Peripheral 7 */
} dma_subperipheral_enum;
/* DMA multidata mode initialize struct */
typedef struct
{
uint32_t periph_addr; /*!< peripheral base address */
uint32_t periph_width; /*!< transfer data size of peripheral */
uint32_t periph_inc; /*!< peripheral increasing mode */
uint32_t memory0_addr; /*!< memory 0 base address */
uint32_t memory_width; /*!< transfer data size of memory */
uint32_t memory_inc; /*!< memory increasing mode */
uint32_t memory_burst_width; /*!< multi data mode enable */
uint32_t periph_burst_width; /*!< multi data mode enable */
uint32_t critical_value; /*!< FIFO critical */
uint32_t circular_mode;
uint32_t direction; /*!< channel data transfer direction */
uint32_t number; /*!< channel transfer number */
uint32_t priority; /*!< channel priority level */
}dma_multi_data_parameter_struct;
/* DMA singledata mode initialize struct */
typedef struct
{
uint32_t periph_addr; /*!< peripheral base address */
uint32_t periph_inc; /*!< peripheral increasing mode */
uint32_t memory0_addr; /*!< memory 0 base address */
uint32_t memory_inc; /*!< memory increasing mode */
uint32_t periph_memory_width; /*!< transfer data size of peripheral */
uint32_t circular_mode; /*!< DMA circular mode */
uint32_t direction; /*!< channel data transfer direction */
uint32_t number; /*!< channel transfer number */
uint32_t priority; /*!< channel priority level */
} dma_single_data_parameter_struct;
#define DMA_FLAG_ADD(flag,channel) ((uint32_t)((flag)<<((((uint32_t)(channel)*6U))+((uint32_t)(((uint32_t)(channel)) >> 1U)&0x01U)*4U))) /*!< DMA channel flag shift */
/* DMA_register address */
#define DMA_CHCTL(dma,channel) REG32(((dma) + 0x10U) + 0x18U*(channel)) /*!< the address of DMA channel CHXCTL register */
#define DMA_CHCNT(dma,channel) REG32(((dma) + 0x14U) + 0x18U*(channel)) /*!< the address of DMA channel CHXCNT register */
#define DMA_CHPADDR(dma,channel) REG32(((dma) + 0x18U) + 0x18U*(channel)) /*!< the address of DMA channel CHXPADDR register */
#define DMA_CHM0ADDR(dma,channel) REG32(((dma) + 0x1CU) + 0x18U*(channel)) /*!< the address of DMA channel CHXM0ADDR register */
#define DMA_CHM1ADDR(dma,channel) REG32(((dma) + 0x20U) + 0x18U*(channel)) /*!< the address of DMA channel CHXM1ADDR register */
#define DMA_CHFCTL(dma,channel) REG32(((dma) + 0x24U) + 0x18U*(channel)) /*!< the address of DMA channel CHXMADDR register */
/* peripheral select */
#define CHCTL_PERIEN(regval) (BITS(25,27) & ((uint32_t)(regval) << 25))
#define DMA_PERIPH_0_SELECT CHCTL_PERIEN(0) /*!< peripheral 0 select */
#define DMA_PERIPH_1_SELECT CHCTL_PERIEN(1) /*!< peripheral 1 select */
#define DMA_PERIPH_2_SELECT CHCTL_PERIEN(2) /*!< peripheral 2 select */
#define DMA_PERIPH_3_SELECT CHCTL_PERIEN(3) /*!< peripheral 3 select */
#define DMA_PERIPH_4_SELECT CHCTL_PERIEN(4) /*!< peripheral 4 select */
#define DMA_PERIPH_5_SELECT CHCTL_PERIEN(5) /*!< peripheral 5 select */
#define DMA_PERIPH_6_SELECT CHCTL_PERIEN(6) /*!< peripheral 6 select */
#define DMA_PERIPH_7_SELECT CHCTL_PERIEN(7) /*!< peripheral 7 select */
/* burst type of memory */
#define CHCTL_MBURST(regval) (BITS(23,24) & ((uint32_t)(regval) << 23))
#define DMA_MEMORY_BURST_SINGLE CHCTL_MBURST(0) /*!< single burst */
#define DMA_MEMORY_BURST_4_BEAT CHCTL_MBURST(1) /*!< 4-beat burst */
#define DMA_MEMORY_BURST_8_BEAT CHCTL_MBURST(2) /*!< 8-beat burst */
#define DMA_MEMORY_BURST_16_BEAT CHCTL_MBURST(3) /*!< 16-beat burst */
/* burst type of peripheral */
#define CHCTL_PBURST(regval) (BITS(21,22) & ((uint32_t)(regval) << 21))
#define DMA_PERIPH_BURST_SINGLE CHCTL_PBURST(0) /*!< single burst */
#define DMA_PERIPH_BURST_4_BEAT CHCTL_PBURST(1) /*!< 4-beat burst */
#define DMA_PERIPH_BURST_8_BEAT CHCTL_PBURST(2) /*!< 8-beat burst */
#define DMA_PERIPH_BURST_16_BEAT CHCTL_PBURST(3) /*!< 16-beat burst */
/* channel priority level */
#define CHCTL_PRIO(regval) (BITS(16,17) & ((uint32_t)(regval) << 16))
#define DMA_PRIORITY_LOW CHCTL_PRIO(0) /*!< low priority */
#define DMA_PRIORITY_MEDIUM CHCTL_PRIO(1) /*!< medium priority */
#define DMA_PRIORITY_HIGH CHCTL_PRIO(2) /*!< high priority */
#define DMA_PRIORITY_ULTRA_HIGH CHCTL_PRIO(3) /*!< ultra high priority */
/* transfer data width of memory */
#define CHCTL_MWIDTH(regval) (BITS(13,14) & ((uint32_t)(regval) << 13))
#define DMA_MEMORY_WIDTH_8BIT CHCTL_MWIDTH(0) /*!< transfer data width of memory is 8-bit */
#define DMA_MEMORY_WIDTH_16BIT CHCTL_MWIDTH(1) /*!< transfer data width of memory is 16-bit */
#define DMA_MEMORY_WIDTH_32BIT CHCTL_MWIDTH(2) /*!< transfer data width of memory is 32-bit */
/* transfer data width of peripheral */
#define CHCTL_PWIDTH(regval) (BITS(11,12) & ((uint32_t)(regval) << 11))
#define DMA_PERIPH_WIDTH_8BIT CHCTL_PWIDTH(0) /*!< transfer data width of peripheral is 8-bit */
#define DMA_PERIPH_WIDTH_16BIT CHCTL_PWIDTH(1) /*!< transfer data width of peripheral is 16-bit */
#define DMA_PERIPH_WIDTH_32BIT CHCTL_PWIDTH(2) /*!< transfer data width of peripheral is 32-bit */
/* channel transfer mode */
#define CHCTL_TM(regval) (BITS(6,7) & ((uint32_t)(regval) << 6))
#define DMA_PERIPH_TO_MEMORY CHCTL_TM(0) /*!< read from peripheral and write to memory */
#define DMA_MEMORY_TO_PERIPH CHCTL_TM(1) /*!< read from memory and write to peripheral */
#define DMA_MEMORY_TO_MEMORY CHCTL_TM(2) /*!< read from memory and write to memory */
/* FIFO counter critical value */
#define CHFCTL_FCCV(regval) (BITS(0,1) & ((uint32_t)(regval) << 0))
#define DMA_FIFO_1_WORD CHFCTL_FCCV(0) /*!< critical value 1 word */
#define DMA_FIFO_2_WORD CHFCTL_FCCV(1) /*!< critical value 2 word */
#define DMA_FIFO_3_WORD CHFCTL_FCCV(2) /*!< critical value 3 word */
#define DMA_FIFO_4_WORD CHFCTL_FCCV(3) /*!< critical value 4 word */
/* memory select */
#define DMA_MEMORY_0 ((uint32_t)0x00000000U) /*!< select memory 0 */
#define DMA_MEMORY_1 ((uint32_t)0x00000001U) /*!< select memory 1 */
/* DMA circular mode */
#define DMA_CIRCULAR_MODE_ENABLE ((uint32_t)0x00000000U) /*!< circular mode enable */
#define DMA_CIRCULAR_MODE_DISABLE ((uint32_t)0x00000001U) /*!< circular mode disable */
/* DMA flow controller select */
#define DMA_FLOW_CONTROLLER_DMA ((uint32_t)0x00000000U) /*!< DMA is the flow controler */
#define DMA_FLOW_CONTROLLER_PERI ((uint32_t)0x00000001U) /*!< peripheral is the flow controler */
/* peripheral increasing mode */
#define DMA_PERIPH_INCREASE_ENABLE ((uint32_t)0x00000000U) /*!< next address of peripheral is increasing address mode */
#define DMA_PERIPH_INCREASE_DISABLE ((uint32_t)0x00000001U) /*!< next address of peripheral is fixed address mode */
#define DMA_PERIPH_INCREASE_FIX ((uint32_t)0x00000002U) /*!< next address of peripheral is increasing fixed */
/* memory increasing mode */
#define DMA_MEMORY_INCREASE_ENABLE ((uint32_t)0x00000000U) /*!< next address of memory is increasing address mode */
#define DMA_MEMORY_INCREASE_DISABLE ((uint32_t)0x00000001U) /*!< next address of memory is fixed address mode */
/* FIFO status */
#define DMA_FIFO_STATUS_NODATA ((uint32_t)0x00000000U) /*!< the data in the FIFO less than 1 word */
#define DMA_FIFO_STATUS_1_WORD ((uint32_t)0x00000001U) /*!< the data in the FIFO more than 1 word, less than 2 words */
#define DMA_FIFO_STATUS_2_WORD ((uint32_t)0x00000002U) /*!< the data in the FIFO more than 2 word, less than 3 words */
#define DMA_FIFO_STATUS_3_WORD ((uint32_t)0x00000003U) /*!< the data in the FIFO more than 3 word, less than 4 words */
#define DMA_FIFO_STATUS_EMPTY ((uint32_t)0x00000004U) /*!< the data in the FIFO is empty */
#define DMA_FIFO_STATUS_FULL ((uint32_t)0x00000005U) /*!< the data in the FIFO is full */
/* DMA reset value */
#define DMA_CHCTL_RESET_VALUE ((uint32_t)0x00000000U) /*!< the reset value of DMA channel CHXCTL register */
#define DMA_CHCNT_RESET_VALUE ((uint32_t)0x00000000U) /*!< the reset value of DMA channel CHXCNT register */
#define DMA_CHPADDR_RESET_VALUE ((uint32_t)0x00000000U) /*!< the reset value of DMA channel CHXPADDR register */
#define DMA_CHMADDR_RESET_VALUE ((uint32_t)0x00000000U) /*!< the reset value of DMA channel CHXMADDR register */
#define DMA_CHINTF_RESET_VALUE ((uint32_t)0x0000003DU) /*!< clear DMA channel CHXINTFS register */
#define DMA_CHFCTL_RESET_VALUE ((uint32_t)0x00000000U) /*!< the reset value of DMA channel CHXFCTL register */
/* function declarations */
/* deinitialize DMA a channel registers */
void dma_deinit(uint32_t dma_periph,dma_channel_enum channelx);
/* DMA single data mode initialize */
void dma_single_data_mode_init(uint32_t dma_periph,dma_channel_enum channelx,dma_single_data_parameter_struct init_struct);
/* DMA multi data mode initialize */
void dma_multi_data_mode_init(uint32_t dma_periph,dma_channel_enum channelx,dma_multi_data_parameter_struct init_struct);
/* set DMA peripheral base address */
void dma_periph_address_config(uint32_t dma_periph,dma_channel_enum channelx,uint32_t address);
/* set DMA Memory base address */
void dma_memory_address_config(uint32_t dma_periph,dma_channel_enum channelx,uint8_t memory_flag,uint32_t address);
/* set the number of remaining data to be transferred by the DMA */
void dma_transfer_number_config(uint32_t dma_periph,dma_channel_enum channelx,uint32_t number);
/* get the number of remaining data to be transferred by the DMA */
uint32_t dma_transfer_number_get(uint32_t dma_periph,dma_channel_enum channelx);
/* configure priority level of DMA channel */
void dma_priority_config(uint32_t dma_periph,dma_channel_enum channelx,uint32_t priority);
/* configure transfer burst beats of memory */
void dma_memory_burst_beats_config (uint32_t dma_periph,dma_channel_enum channelx,uint32_t mbeat);
/* configure transfer burst beats of peripheral */
void dma_periph_burst_beats_config (uint32_t dma_periph,dma_channel_enum channelx,uint32_t pbeat);
/* configure transfer data size of memory */
void dma_memory_width_config (uint32_t dma_periph,dma_channel_enum channelx,uint32_t msize);
/* configure transfer data size of peripheral */
void dma_periph_width_config (uint32_t dma_periph,dma_channel_enum channelx,uint32_t psize);
/* configure next address increasement algorithm of memory */
void dma_memory_address_generation_config(uint32_t dma_periph,dma_channel_enum channelx,uint8_t generation_algorithm);
/* configure next address increasement algorithm of peripheral */
void dma_peripheral_address_generation_config(uint32_t dma_periph,dma_channel_enum channelx,uint8_t generation_algorithm);
/* enable DMA circulation mode */
void dma_circulation_enable(uint32_t dma_periph,dma_channel_enum channelx);
/* disable DMA circulation mode */
void dma_circulation_disable(uint32_t dma_periph,dma_channel_enum channelx);
/* enable DMA channel */
void dma_channel_enable(uint32_t dma_periph,dma_channel_enum channelx);
/* disable DMA channel */
void dma_channel_disable(uint32_t dma_periph,dma_channel_enum channelx);
/* configure the direction of data transfer on the channel */
void dma_transfer_direction_config(uint32_t dma_periph,dma_channel_enum channelx,uint8_t direction);
/* DMA switch buffer mode config */
void dma_switch_buffer_mode_config(uint32_t dma_periph,dma_channel_enum channelx,uint32_t memory1_addr,uint32_t memory_select);
/* DMA using memory get */
uint32_t dma_using_memory_get(uint32_t dma_periph,dma_channel_enum channelx);
/* DMA channel peripheral select */
void dma_channel_subperipheral_select(uint32_t dma_periph,dma_channel_enum channelx,dma_subperipheral_enum sub_periph);
/* DMA flow controller configure */
void dma_flow_controller_config(uint32_t dma_periph,dma_channel_enum channelx,uint32_t controller);
/* DMA flow controller enable */
void dma_switch_buffer_mode_enable(uint32_t dma_periph,dma_channel_enum channelx,ControlStatus newvalue);
/* DMA FIFO status get */
uint32_t dma_fifo_status_get(uint32_t dma_periph,dma_channel_enum channelx);
/* check DMA flag is set or not */
FlagStatus dma_flag_get(uint32_t dma_periph,dma_channel_enum channelx,uint32_t flag);
/* clear DMA a channel flag */
void dma_flag_clear(uint32_t dma_periph,dma_channel_enum channelx,uint32_t flag);
/* check DMA flag is set or not */
FlagStatus dma_interrupt_flag_get(uint32_t dma_periph,dma_channel_enum channelx,uint32_t interrupt);
/* clear DMA a channel flag */
void dma_interrupt_flag_clear(uint32_t dma_periph,dma_channel_enum channelx,uint32_t interrupt);
/* enable DMA interrupt */
void dma_interrupt_enable(uint32_t dma_periph,dma_channel_enum channelx,uint32_t source);
/* disable DMA interrupt */
void dma_interrupt_disable(uint32_t dma_periph,dma_channel_enum channelx,uint32_t source);
#endif /* GD32F4XX_DMA_H */