/*---------------------------------------------------------------------*/
/* --- STC MCU Limited ------------------------------------------------*/
/* --- STC 1T Series MCU Demo Programme -------------------------------*/
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/* 如果要在程序中使用此代码,请在程序中注明使用了STC的资料及程序            */
/*---------------------------------------------------------------------*/

#ifndef	__STC32G_DMA_H
#define	__STC32G_DMA_H

#include	"config.h"

//========================================================================
//                              定义声明
//========================================================================

#define DMA_ADC_TRIG()					DMA_ADC_CR |= 0x40
#define DMA_ADCIF_CLR()					DMA_ADC_STA &= ~0x01

#define DMA_M2M_TRIG()					DMA_M2M_CR |= 0x40
#define DMA_M2MIF_CLR()					DMA_M2M_STA &= ~0x01

#define DMA_UR1T_TRIG()					DMA_UR1T_CR |= 0x40
#define DMA_UR2T_TRIG()					DMA_UR2T_CR |= 0x40
#define DMA_UR3T_TRIG()					DMA_UR3T_CR |= 0x40
#define DMA_UR4T_TRIG()					DMA_UR4T_CR |= 0x40

#define DMA_UR1R_TRIG()					DMA_UR1R_CR |= 0x20
#define DMA_UR2R_TRIG()					DMA_UR2R_CR |= 0x20
#define DMA_UR3R_TRIG()					DMA_UR3R_CR |= 0x20
#define DMA_UR4R_TRIG()					DMA_UR4R_CR |= 0x20

#define DMA_SPI_TRIG_M()				DMA_SPI_CR |= 0x40		//SPI触发主机模式
#define DMA_SPI_TRIG_S()				DMA_SPI_CR |= 0x20		//SPI触发从机模式

#define DMA_UR1R_CLRFIFO()			DMA_UR1R_CR |= 0x01	//清空 DMA FIFO
#define DMA_UR2R_CLRFIFO()			DMA_UR2R_CR |= 0x01
#define DMA_UR3R_CLRFIFO()			DMA_UR3R_CR |= 0x01
#define DMA_UR4R_CLRFIFO()			DMA_UR4R_CR |= 0x01
#define DMA_SPI_CLRFIFO()				DMA_SPI_CR |= 0x01
#define DMA_LCM_CLRFIFO()				DMA_LCM_CR |= 0x01

#define DMA_ADC_CLR_STA()				DMA_ADC_STA = 0
#define DMA_SPI_CLR_STA()				DMA_SPI_STA = 0
#define DMA_M2M_CLR_STA()				DMA_M2M_STA = 0
#define DMA_UR1T_CLR_STA()			DMA_UR1T_STA = 0
#define DMA_UR1R_CLR_STA()			DMA_UR1R_STA = 0
#define DMA_UR2T_CLR_STA()			DMA_UR2T_STA = 0
#define DMA_UR2R_CLR_STA()			DMA_UR2R_STA = 0
#define DMA_UR3T_CLR_STA()			DMA_UR3T_STA = 0
#define DMA_UR3R_CLR_STA()			DMA_UR3R_STA = 0
#define DMA_UR4T_CLR_STA()			DMA_UR4T_STA = 0
#define DMA_UR4R_CLR_STA()			DMA_UR4R_STA = 0

#define SET_M2M_TX_FIFO(n)			{DMA_M2M_TXAH = (n>>8); DMA_M2M_TXAL = (n);}
#define SET_M2M_RX_FIFO(n)			{DMA_M2M_RXAH = (n>>8); DMA_M2M_RXAL = (n);}

#define SET_DMA_ADC_CR(n)				DMA_ADC_CR = (n)
#define SET_DMA_SPI_CR(n)				DMA_SPI_CR = (n)
#define SET_DMA_M2M_CR(n)				DMA_M2M_CR = (n)
#define SET_DMA_UR1T_CR(n)			DMA_UR1T_CR = (n)
#define SET_DMA_UR1R_CR(n)			DMA_UR1R_CR = (n)
#define SET_DMA_UR2T_CR(n)			DMA_UR2T_CR = (n)
#define SET_DMA_UR2R_CR(n)			DMA_UR2R_CR = (n)
#define SET_DMA_UR3T_CR(n)			DMA_UR3T_CR = (n)
#define SET_DMA_UR3R_CR(n)			DMA_UR3R_CR = (n)
#define SET_DMA_UR4T_CR(n)			DMA_UR4T_CR = (n)
#define SET_DMA_UR4R_CR(n)			DMA_UR4R_CR = (n)

#define SET_LCM_DMA_LEN(n)			{DMA_LCM_AMTH = (n>>8); DMA_LCM_AMT = (n);}
#define DMA_LCM_TRIG_WC()				DMA_LCM_CR |= 0xC0		//触发 LCM_DMA 发命令操作
#define DMA_LCM_TRIG_WD()				DMA_LCM_CR |= 0xA0		//触发 LCM_DMA 发数据操作
#define DMA_LCM_TRIG_RC()				DMA_LCM_CR |= 0x90		//触发 LCM_DMA 读命令操作
#define DMA_LCM_TRIG_RD()				DMA_LCM_CR |= 0x88		//触发 LCM_DMA 读数据操作

#define DMA_I2CT_TRIG()					DMA_I2CT_CR |= 0x40
#define DMA_I2CR_TRIG()					DMA_I2CR_CR |= 0x40
#define DMA_I2CR_CLRFIFO()			DMA_I2CR_CR |= 0x01	//清空 DMA FIFO
#define SET_I2CT_DMA_LEN(n)			{DMA_I2CT_AMTH = (n>>8); DMA_I2CT_AMT = (n);}
#define SET_I2CR_DMA_LEN(n)			{DMA_I2CR_AMTH = (n>>8); DMA_I2CR_AMT = (n);}
#define SET_I2C_DMA_ST(n)				{DMA_I2C_ST2 = (n>>8); DMA_I2C_ST1 = (n);}
#define I2C_DMA_Enable()				DMA_I2C_CR |= 0x01
#define I2C_DMA_Disable()				DMA_I2C_CR &= ~0x01

//========================================================================
//                              常量声明
//========================================================================

#define DMA_ENABLE				0x80
#define M2M_TRIG					0x40
#define ADC_TRIG					0x40
#define UR_T_TRIG					0x40
#define UR_R_TRIG					0x20
#define SPI_TRIG_M				0x40
#define SPI_TRIG_S				0x20
#define CLR_FIFO					0x01

#define ADC_1_Times				0
#define ADC_2_Times				8
#define ADC_4_Times				9
#define ADC_8_Times				10
#define ADC_16_Times			11
#define ADC_32_Times			12
#define ADC_64_Times			13
#define ADC_128_Times			14
#define ADC_256_Times			15

#define M2M_ADDR_INC			0
#define M2M_ADDR_DEC			1

#define SPI_SS_P12				0
#define SPI_SS_P22				1
#define SPI_SS_P74				2
#define SPI_SS_P35				3


//========================================================================
//                              变量声明
//========================================================================

typedef struct
{
	u8	DMA_Enable;					//DMA使能  	ENABLE,DISABLE
	u16	DMA_Channel;				//ADC通道使能寄存器, 1:使能, bit15~bit0 对应 ADC15~ADC0
	u16	DMA_Buffer;					//ADC转换数据存储地址
	u8	DMA_Times;					//每个通道转换次数, ADC_1_Times,ADC_2_Times,ADC_4_Times,ADC_8_Times,ADC_16_Times,ADC_32_Times,ADC_64_Times,ADC_128_Times,ADC_256_Times
} DMA_ADC_InitTypeDef;

typedef struct
{
	u8	DMA_Enable;					//DMA使能  	ENABLE,DISABLE
	u16	DMA_Rx_Buffer;			//接收数据存储地址
	u16	DMA_Tx_Buffer;			//发送数据存储地址
	u16	DMA_Length;					//DMA传输总字节数  	(0~65535) + 1, 不要超过芯片 xdata 空间上限
	u8	DMA_SRC_Dir;				//数据源地址改变方向  	M2M_ADDR_INC,M2M_ADDR_DEC
	u8	DMA_DEST_Dir;				//数据目标地址改变方向 	M2M_ADDR_INC,M2M_ADDR_DEC
} DMA_M2M_InitTypeDef;

typedef struct
{
	u8	DMA_TX_Enable;			//DMA使能  	ENABLE,DISABLE
	u16	DMA_TX_Length;			//DMA传输总字节数  	(0~65535) + 1, 不要超过芯片 xdata 空间上限
	u16	DMA_TX_Buffer;			//发送数据存储地址

	u8	DMA_RX_Enable;			//DMA使能  	ENABLE,DISABLE
	u16	DMA_RX_Length;			//DMA传输总字节数  	(0~65535) + 1, 不要超过芯片 xdata 空间上限
	u16	DMA_RX_Buffer;			//接收数据存储地址
} DMA_UART_InitTypeDef;

typedef struct
{
	u8	DMA_Enable;					//DMA使能  	ENABLE,DISABLE
	u8	DMA_Tx_Enable;			//DMA发送数据使能  	ENABLE,DISABLE
	u8	DMA_Rx_Enable;			//DMA接收数据使能  	ENABLE,DISABLE
	u16	DMA_Rx_Buffer;			//接收数据存储地址
	u16	DMA_Tx_Buffer;			//发送数据存储地址
	u16	DMA_Length;					//DMA传输总字节数  	(0~65535) + 1, 不要超过芯片 xdata 空间上限
	u8	DMA_AUTO_SS;				//自动控制SS脚使能  	ENABLE,DISABLE
	u8	DMA_SS_Sel;					//自动控制SS脚选择 	SPI_SS_P12,SPI_SS_P22,SPI_SS_P74,SPI_SS_P35
} DMA_SPI_InitTypeDef;

typedef struct
{
	u8	DMA_Enable;					//DMA使能  	ENABLE,DISABLE
	u16	DMA_Rx_Buffer;			//接收数据存储地址
	u16	DMA_Tx_Buffer;			//发送数据存储地址
	u16	DMA_Length;					//DMA传输总字节数  	(0~65535) + 1, 不要超过芯片 xdata 空间上限
} DMA_LCM_InitTypeDef;

typedef struct
{
	u8	DMA_TX_Enable;			//DMA使能  	ENABLE,DISABLE
	u16	DMA_TX_Length;			//DMA传输总字节数  	(0~65535) + 1, 不要超过芯片 xdata 空间上限
	u16	DMA_TX_Buffer;			//发送数据存储地址

	u8	DMA_RX_Enable;			//DMA使能  	ENABLE,DISABLE
	u16	DMA_RX_Length;			//DMA传输总字节数  	(0~65535) + 1, 不要超过芯片 xdata 空间上限
	u16	DMA_RX_Buffer;			//接收数据存储地址
} DMA_I2C_InitTypeDef;

//========================================================================
//                              外部声明
//========================================================================
extern bit DmaADCFlag;
extern bit DmaM2MFlag;
extern bit DmaTx1Flag;
extern bit DmaRx1Flag;
extern bit DmaTx2Flag;
extern bit DmaRx2Flag;
extern bit DmaTx3Flag;
extern bit DmaRx3Flag;
extern bit DmaTx4Flag;
extern bit DmaRx4Flag;
extern bit DmaI2CTFlag;
extern bit DmaI2CRFlag;
extern bit SpiTxFlag;
extern bit SpiRxFlag;
extern bit u2sFlag;    //UART to SPI
extern bit s2uFlag;    //SPI to UART
extern bit SpiSendFlag;
extern bit UartSendFlag;
extern bit DmaLcmFlag;
extern bit LcmFlag;
extern u16 LCM_Cnt;

void DMA_ADC_Inilize(DMA_ADC_InitTypeDef *DMA);
void DMA_M2M_Inilize(DMA_M2M_InitTypeDef *DMA);
void DMA_SPI_Inilize(DMA_SPI_InitTypeDef *DMA);
void DMA_LCM_Inilize(DMA_LCM_InitTypeDef *DMA);
void DMA_I2C_Inilize(DMA_I2C_InitTypeDef *DMA);
void DMA_UART_Inilize(u8 UARTx, DMA_UART_InitTypeDef *DMA);

#endif
