ALPS-004/WZYXPCR_NO1.20250726.X/WZYXPCR_NO1.20250726.X/file/DMA.c

#define  __DMA_DEF
#include "ABIS_User.h"

void InitDMA(void)
{
    //set the DMA1 to UART1 trans to PC
//    g_ucUart1_Send_Data[0]=FRAME_HEAD;
    

    DMA3CON=0X6001;                           
    DMA3CNT=SHORT_DATA;                      
    DMA3REQ=0x0c;                              
    DMA3PAD=(volatile unsigned int)&U1TXREG;   
    DMA3STAH=__builtin_dmapage(g_ucU1TX_Data);
    DMA3STAL=__builtin_dmaoffset(g_ucU1TX_Data);
    IFS2bits.DMA3IF = 0;                      
    IEC2bits.DMA3IE = 0;                       
    DMA3CONbits.CHEN= 0;                     
    IPC9bits. DMA3IP= 1;
    IFS2bits.DMA3IF = 1;
    

    //DMACS0 =0;                             
    DMA1CON=0X6001;                            
    DMA1CNT=LONG_DATA;                       
    DMA1REQ=0x0c;                              
    DMA1PAD=(volatile unsigned int)&U1TXREG;    
    DMA1STAH=__builtin_dmapage(ucBuffer_Data);
    DMA1STAL=__builtin_dmaoffset(ucBuffer_Data);
    IFS0bits.DMA1IF = 0;//中断标识清零
    IPC3bits.DMA1IP = 7;
    IEC0bits.DMA1IE = 0;//中断使能
    DMA1CONbits.CHEN= 0;//启动
    IFS0bits.DMA1IF = 1;


	DMA2CON=0X6001;                           
    DMA2CNT=SHORT_DATA;                      
    DMA2REQ=0x53;                              
    DMA2PAD=(volatile unsigned int)&U3TXREG;   
    DMA2STAH=__builtin_dmapage(g_ucU3TX_Data);
    DMA2STAL=__builtin_dmaoffset(g_ucU3TX_Data);
    IFS1bits.DMA2IF = 0;                      
    IEC1bits.DMA2IE = 0;                       
    DMA2CONbits.CHEN= 0;                     
    IPC6bits. DMA2IP= 1;
    IFS1bits.DMA2IF = 1;

}
///*******************************************************************************
// * 函数名称：InitDma0
// *******************************************************************************/
//void InitDma0(void)
//{
////    DMA0CONbits.AMODE = 2;  
//    DMA0CONbits.AMODE = 0;    
//    DMA0CONbits.MODE  = 2;    
//    DMA0PAD=(int)&ADC1BUF0;
//    DMA0CNT = 15;//          
//    DMA0REQ = 13;          
//    
//    DMA0STAH = __builtin_dmaoffset(&BufferA);
//    DMA0STAL = __builtin_dmaoffset(&BufferA);
//    
//    DMA0STBH = __builtin_dmaoffset(&BufferB);
//    DMA0STBL = __builtin_dmaoffset(&BufferB);
//    
//    IFS0bits.DMA0IF = 0;   
//    IPC3bits.DMA1IP = 6;  
//    IEC0bits.DMA0IE = 1;   
//    DMA0CONbits.CHEN= 1;    
//}