求助、、、、、、、、、、、ARM管脚定义？

只看该作者 · 2010-7-19 21:26

用整个D端口的8个引脚来控制1602的数据端，现在需要给D端口赋值：0xa0 。请高人指点怎么来设置语句、、、LM3S811、、我用的板子芯片、、

只看该作者 · 2010-7-19 21:28

有错误，高人帮改？谢谢、、、、
#include "hw_ints.h"
#include "hw_memmap.h"
#include "hw_types.h"
#include "gpio.h"
#include "sysctl.h"
#include "cpu.h"
#include "interrupt.h"

#define uint unsigned int
#define uchar unsigned char

#define    YJ_PERIPH SYSCTL_PERIPH_GPIOB                      //LED外围 B端口作为通用输入/输出  宏定义
#define    YJ_PORT    GPIO_PORTB_BASE    //(GPIO通用输入/输出_PORTBB端口_BASE基准)
#define    RS         GPIO_PIN_0                                  //  PB5控制D1    B端口的2脚
#define    RW               GPIO_PIN_1                                  //  PB5控制D1    B端口的4脚
#define    EN               GPIO_PIN_2                                  //  PB5控制D1    B端口的6脚

#define    YJBUS_PERIPH SYSCTL_PERIPH_GPIOD                      //LED外围 B端口作为通用输入/输出  宏定义
#define    YJBUS_PORT    GPIO_PORTD_BASE    //(GPIO通用输入/输出_PORTBB端口_BASE基准)
//#define aa    GPIOPinWrite(YJ_PORT ,0xff);

#define RS_L    GPIOPinWrite(YJ_PORT,RS ,0x00);             //ser管脚为低
#define RW_L    GPIOPinWrite(YJ_PORT,RW ,0x00);             //SRCLK1管脚为低
#define EN_L    GPIOPinWrite(YJ_PORT,EN ,0x00);             //SRCLK1管脚为低

#define RS_H    GPIOPinWrite(YJ_PORT,RS ,0xff);             //ser管脚为高
#define RW_H    GPIOPinWrite(YJ_PORT,RW ,0xff);             //SRCLK1管脚为高
#define EN_H    GPIOPinWrite(YJ_PORT,EN ,0xff);             //SRCLK1管脚为高

uchar LCDDISPLAY_ROW1[]={" 08131106 "};
uchar LCDDISPLAY_ROW2[]={" hapyy!!!!!!!  "};
/*
uchar LED[ ]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xfe,0xbf}; //共阳极段码表说明
uint i,j,k,n=0;                                                             //说明整数变量
uchar aa,bb[]={2,0,1,0,0,6,1,1},cc=0xc0,dd;                                  // 8个数码管显示的数数组
*/
void Delay(uint t)
{
  while(t)t--;
}

void lcd_delay(unsigned int delaytime)
{
  while(delaytime)delaytime--;
}

void write_lcd_command(uchar write_command)
{
  lcd_delay(40);
  RS_L;
  RW_L;
  GPIOPinWrite(YJBUS_PERIPH,YJBUS_PORT,write_command);
  EN_H;
  EN_L;
}

void write_lcd_data(unsigned char write_data)
{
  lcd_delay(40);
  RS_H;
  RW_L;
  GPIOPinWrite(YJBUS_PERIPH,YJBUS_PORT,write_data);
  EN_H;
  EN_L;
}

void initize_lcd(void)
{
  uchar i;
  EN_L;
  for(i=200;i>0;i--)lcd_delay(248);
  write_lcd_command(0x3f);
  for(i=4;i>0;i--)lcd_delay(248);
  write_lcd_command(0x3f);
  write_lcd_command(0x0f);
  write_lcd_command(0x01);
  for(i=4;i>0;i--)lcd_delay(248);
  write_lcd_command(0x06);
}

void lcd_displaystr(uchar x,uchar y,uchar *str)
{
  switch(x)
{
   case 0:
      write_lcd_command(0x80+y);
      break;
   case 1:
      write_lcd_command(0xc0+y);
      break;
}
  while(*str)
{
   write_lcd_data(*str);
   str++;
}
}

int main(void)
{
SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |
               SYSCTL_XTAL_6MHZ);    //SysCtlClockSet函数（）系统时钟设置  采用主振荡器  外接6MHz晶振  不分频

SysCtlPeripheralEnable(YJ_PERIPH);    //sysctl的周边启用
SysCtlPeripheralEnable(YJBUS_PERIPH);

GPIOPinTypeGPIOOutput(YJ_PORT, RS);    //GPIO输出型的  (GPIO输出引脚：GPIO_PIN_2)
GPIOPinTypeGPIOOutput(YJ_PORT, RW);    //GPIO输出型的  (GPIO输出引脚：GPIO_PIN_4)
GPIOPinTypeGPIOOutput(YJ_PORT, EN);    //GPIO输出型的  (GPIO输出引脚：GPIO_PIN_6)
GPIOPadConfigSet(YJ_PORT, RS, GPIO_STRENGTH_8MA_SC,    //GPIO_STRENGTH_8MA：GPIO输出强度8毫安
                  GPIO_PIN_TYPE_STD_WPU);
   GPIOPadConfigSet(YJ_PORT, RW, GPIO_STRENGTH_8MA_SC,    //GPIO_STRENGTH_8MA：GPIO输出强度8毫安
                  GPIO_PIN_TYPE_STD_WPU);
GPIOPadConfigSet(YJ_PORT, EN, GPIO_STRENGTH_8MA_SC,    //GPIO_STRENGTH_8MA：GPIO输出强度8毫安
                  GPIO_PIN_TYPE_STD_WPU);


  initize_lcd();

  write_lcd_command(0x80);
  uchar i;
  for(i=0;i<16;i++)
{
   write_lcd_data(i+'A');
   Delay(60000);
   Delay(60000);
}
  write_lcd_command(0xC0);
  for(i=0;i<16;i++)
{
   write_lcd_data(i+'a');
   Delay(60000);
   Delay(60000);
}

  lcd_displaystr(0,0,LCDDISPLAY_ROW1);
  Delay(60000);
  Delay(60000);
  lcd_displaystr(1,0,LCDDISPLAY_ROW2);
  while(1);

}

求助、、、、、、、、、、、ARM管脚定义？

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