main.c

SmartARM2400系列开发板全套资料

/****************************************Copyright (c)***************************************************
**                               Guangzou ZHIYUAN electronics Co.,LTD.
**                                      
**                                 http://www.embedtools.com
**
**--------------File Info--------------------------------------------------------------------------------
** File name:			main.c
** Last modified Date:  2008.04.25
** Last Version:		V1.00
** Descriptions:		lcd interrupt sample
**
**-------------------------------------------------------------------------------------------------------
** Created by:		   	Houxiaolong
** Created date:		2008.04.25
** Version:				V1.00
** Descriptions:		lcd interrupt sample
**
**-------------------------------------------------------------------------------------------------------
** Modified by:			
** Modified date:		
** Version:
** Descriptions:		
**
*********************************************************************************************************/
#include "main.h"


/*********************************************************************************************************
** Function name :        LCD_ISR
** Function Description : LCD's ISR fuction
** Input:                 none                      
** Output:                none
*********************************************************************************************************/
void __irq LCD_ISR(void)
{
   
    switch (LCD_INTSTAT) {
        case 0x10:                                                      /*  AHB master error interrupt  */
            LCD_INTMSK &= ~(1 << 4);
            break;
      
        case 0x08:                                                      /*  Vertical compare interrupt  */
            lcd_DrawRect(100, 100, 130, 210, LCD_WHITE);
            LCD_INTMSK &= ~(1 << 3);
            break;
            
        case 0x04:                                                      /*  LCD next base address update 
                                                                            interrupt                   */
            lcd_FillRect(140, 220, 230, 310, LCD_BLUE);
            LCD_INTMSK &= ~(1 << 2);
            break;
            
        case 0x02:                                                      /*  FIFO underflow interrupt    */
            LCD_INTMSK &= ~(1 << 1);
            break;
            
        default:
            break;
    }
    
    LCD_INTCLR  = 0x1e;                                                 /*  clear all the interrupt mask*/
    VICVectAddr = 0x00;
}



/*********************************************************************************************************
** Function name :        LCD_IRQInit
** Function Description : enable LCD interrupt
** Input:                 none                      
** Output:                none
*********************************************************************************************************/
void LCD_IRQInit(void)
{
    LCD_INTMSK    = 0x1e;                                               /*  enable all type of LCD 
                                                                            interrupt                   */ 
    VICIntSelect &= ~(1 << 16);                                         /*  select IRQ interrupt        */
    VICVectAddr16 = (unsigned int)LCD_ISR;                              /*  LCD ISR's address           */
    VICVectPri16  = 0;                                                  /*  set the interrupt priority  */
    VICIntEnable  = (1 << 16);                                          /*  enable LCD interrupt        */
    IRQEnable();                                                        /*  enable IRQ interrupt        */
}



/*********************************************************************************************************
** 函数名称 ：main()
** 函数功能 ：演示LPC247X的LCD控制器
** 调试说明 ：本程序不能在内部RAM中调试
*********************************************************************************************************/
int main (void)
{
    lcd_Init();                                                         /*  初始化液晶                  */                                           
    
    LCD_IRQInit();                                                      /*  初始化LCD中断设置           */
    
    lcd_FillRect(0, 0, 90, 90, LCD_GREEN);                              /*  填充一个绿色矩形            */
    lcd_DrawRect(80, 80, 150, 230, LCD_RED);                            /*  画一个红色的矩形            */

	while(1);
	
    return 0;
}
/*********************************************************************************************************
**                            End Of File
*********************************************************************************************************/