msp430液晶驱动的问题

yuri47 · 发表于 2011-1-25 20:00:44

有那位大哥使用msp430驱动过400*240的TFT液晶屏，驱动芯片是ILI9327，小弟不胜感激

yuri47 · 发表于 2011-1-30 12:18:16

#define CPU_F ((double)8000000)
#define delay_us(x) __delay_cycles((long)(CPU_F*(double)x/1000000.0))
#define delay_ms(x) __delay_cycles((long)(CPU_F*(double)x/1000.0))
#include "msp430x16x.h"

void lcd_int(void);
void wr_com(unsigned int,unsigned int);
void wr_dat(unsigned int);
void dis_color2(unsigned int);

void main( void )
{
  // Stop watchdog timer to prevent time out reset
  WDTCTL = WDTPW + WDTHOLD;
  int i;
  BCSCTL1 &= ~XT2OFF;                      // XT2= HF XTAL
  do
  {
IFG1 &= ~OFIFG;                         // Clear OSCFault flag
for (i = 0xFF; i > 0; i--);             // Time for flag to set
  }
  while ((IFG1 & OFIFG));                // OSCFault flag still set?
  BCSCTL2 |= SELM_2;                      // MCLK= XT2 (safe)
  //---PortTFT-----//
  P1DIR = 0xFF;
  P2DIR = 0xFF;
  P3DIR = 0xFF;
  P1OUT = 0x00;
  P2OUT = 0x00;
  P3OUT = 0xFF;
  //---ResetTFT----//
P3OUT |= 0x10;
delay_ms(5);
P3OUT &= 0xEF;
delay_ms(10);
P3OUT |= 0x10;
delay_ms(100);
//---InitializeTFT----//
lcd_int();
delay_ms(500);
  dis_color2(0xffff);
while(1);
}

yuri47 · 发表于 2011-1-30 12:19:49

/***********************************************************
Instruction : Write Command to ILI9327.Port 1 set Low 8 bits
***********************************************************/
void wr_comm(unsigned int index)
{

P3OUT &= 0xFE;
P3OUT &= 0xF7;
P1OUT = index;
P2OUT = index>>8;
delay_ms(1);
P3OUT &= 0xFD;
delay_ms(1);
P3OUT |= 0x02;
delay_ms(1);
P3OUT |= 0x08;
}
/***********************************************************
Instruction : Write Data to ILI9327.Port 2 set High 8 bits
***********************************************************/
void wr_dat(unsigned int dat)
{

P3OUT |= 0x01;
P3OUT &= 0xF7;
P1OUT = dat;
P2OUT = dat>>8;
delay_ms(1);
P3OUT &= 0xFD;
delay_ms(1);
P3OUT |= 0x02;
delay_ms(1);
P3OUT |= 0x08;
}
/***********************************************************
Instruction : Lcd Initial with Rest in more than 200ms
            Exit sleep
            Set Gamma
***********************************************************/
void lcd_int(void)
{
//************* Reset LCD Driver ****************//

  P3OUT |= 0x10;
  delay_ms(5); // Delay 1ms
  P3OUT &= 0xEF;
  delay_ms(20); // Delay 20ms // This delay time is necessary
  P3OUT |= 0x10;
  delay_ms(200); // Delay 200 ms
  wr_comm(0xE9);
  wr_dat (0x20);
  wr_comm(0x11); //Exit Sleep
  delay_ms(100);
  wr_comm(0xD1);
  wr_dat (0x00);
  wr_dat (0x71);
  wr_dat (0x19);
  wr_comm(0xD0);
  wr_dat (0x07);
  wr_dat (0x01);
  wr_dat (0x08);
  wr_comm(0x36);
  wr_dat (0x48);
  wr_comm(0x3A);
  wr_dat (0x05);
  wr_comm(0xC1);
  wr_dat (0x10);
  wr_dat (0x10);
  wr_dat (0x02);
  wr_dat (0x02);
  wr_comm(0xC0); //Set Default Gamma
  wr_dat (0x00);
  wr_dat (0x35);
  wr_dat (0x00);
  wr_dat (0x00);
  wr_dat (0x01);
  wr_dat (0x02);
  wr_comm(0xC5); //Set frame rate
  wr_dat (0x04);
  wr_comm(0xD2); //power setting
  wr_dat (0x01);
  wr_dat (0x44);
  wr_comm(0xC8); //Set Gamma
  wr_dat (0x04);
  wr_dat (0x67);
  wr_dat (0x35);
  wr_dat (0x04);
  wr_dat (0x08);
  wr_dat (0x06);
  wr_dat (0x24);
  wr_dat (0x01);
  wr_dat (0x37);
  wr_dat (0x40);
  wr_dat (0x03);
  wr_dat (0x10);
  wr_dat (0x08);
  wr_dat (0x80);
  wr_dat (0x00);
  wr_comm(0x2A);
  wr_dat (0x00);
  wr_dat (0x00);
  wr_dat (0x00);
  wr_dat (0xeF);
  wr_comm(0x2B);
  wr_dat (0x00);
  wr_dat (0x00);
  wr_dat (0x01);
  wr_dat (0x8F);
  wr_comm(0x29); //display on
  wr_comm(0x2C); //display on
}

yuri47 · 发表于 2011-1-30 12:20:13

void dis_color2(unsigned int j)
{
unsigned int i,m;
wr_comm(0x002c);
P3OUT |= 0x01;
P3OUT &= 0xF7;
for(i=0;i<400;i++)
for(m=0;m<240;m++)
   {
      P1OUT = j;
      P2OUT = j>>8;
      P3OUT &= 0xFD;
      P3OUT |= 0x02;
   }
P3OUT |= 0x08;
}

没办法，还得自己给出来啊，有兴趣的通知可以看看
编译环境为：IAR EWB 5.21B
连接方式：MSP430F169
  P1口：DB0-DB7
  P2口：DB8-DB15
  P3口：依次由P3.0-P3.5为：RS、WR、RD、CS、REST

msp430液晶驱动的问题

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