yuri47 发表于 2011-1-25 20:00:44

msp430液晶驱动的问题

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
页: [1]
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