tm7843.c

汽车仪表板开发

#include "TM7843.h"



void TouchScreed(void)
  {
   TM_BUSY_GPIO;
   TM_INT_GPIO;
   
   TM_CS_OUT;
   TM_BUSY_IN;
   TM_INT_IN ;
   }


uint16 ReadTouch(uint8 command)
  {
    uint16 temp;
    uint8 tmp;
    SPI0_CS_SET();
    TM_CS_L;

    tmp = SPI0_SrByte(command);
    
    while(TM_BUSY_STATE);

    
    tmp = SPI0_SrByte(0x00);
    temp=	(unsigned short) tmp<<9;
   tmp= SPI0_SrByte(0x00);
   temp|=(unsigned short) tmp<<1;
    TM_CS_H;
    
    return temp;
  }