main.c

just uploading the file to get a new downlad for AD7843

#include "app_config.h"

void delay_1ms(unsigned int n);

volatile unsigned char time_1ms_cnt;
unsigned char time_1ms_flag;
volatile unsigned char time_10ms_cnt;
unsigned char time_10ms_flag;
volatile unsigned char time_100ms_cnt;
unsigned char time_100ms_flag;
volatile unsigned char time_500ms_cnt;
unsigned char time_500ms_flag;

__irq void T0_IRQHandler (void) //use timer0 as system timer tick
{
	time_1ms_cnt++;
	time_1ms_flag = 1;
	if (time_1ms_cnt >= 10)
	{
		time_1ms_cnt = 0;		
		time_10ms_cnt++;
        time_10ms_flag = 1;
		if (time_10ms_cnt >= 10)
	    {
			time_10ms_cnt = 0;
            time_100ms_cnt++;
            time_100ms_flag = 1;
            if (time_100ms_cnt >= 5)
            {
                time_100ms_cnt = 0;
				time_500ms_cnt++;
                time_500ms_flag = 1;
            }            
	    }
	}
   
	T0IR        = 1;                      //Clear interrupt flag
	VICVectAddr = 0;                      //Acknowledge Interrupt
}

void timer_task(void)
{
    if (time_1ms_flag)
    {
        AppTask1ms();
        time_1ms_flag = 0;
	}

    if (time_10ms_flag)
    {
        AppTask10ms();
        time_10ms_flag = 0;
	}

    if (time_100ms_flag)
    {
        AppTask100ms();
        time_100ms_flag = 0;
	}

    if (time_500ms_flag)
    {
        AppTask500ms();
        time_500ms_flag = 0;
    }
}

void timer_init(void)
{
	//Enable and setup timer interrupt, start timer
	T0MR0         = 17142;                       /* 1msec = 17142 at 17.143 MHz */
	T0MCR         = 3;                           /* Interrupt and Reset on MR0  */
	T0TCR         = 1;                           /* Timer0 Enable               */
	VICVectAddr4  = (unsigned long)T0_IRQHandler;/* Set Interrupt Vector        */
	VICVectCntl4  = 15;                          /* use it for Timer0 Interrupt */
	VICIntEnable  |= (1  << 4);                   /* Enable Timer0 Interrupt     */
}

void emc_init(void)
{
	int x;
	EMC_CTRL = 0x00000001; //use normal CS0
	PCONP |= 0x00000800;
	PINSEL6 = 0x00005555;
	PINSEL8 = 0x00400000;//PINSEL8 = 0x55555555; only A11 is used as address pin
	x = PINSEL9;
	x &= 0x0FF0FFFF;
	PINSEL9 = x | 0x50090000; //Seems that WE pin is a mistake of NXP, it's removed in datasheet rev .03.01
}

void io_init(void)
{
	PINSEL0 = 0;
	PINSEL1 = 0;
	PINSEL2 = 0;
	PINSEL3 = 0;
	PINSEL4 = 0;
	PINSEL5 = 0;
	PINSEL6 = 0;
	PINSEL7 = 0;
	PINSEL8 = 0;
	PINSEL9 = 0;
	PINSEL10 = 0;

	PINSEL0 |= 0x0000000F;						//SDA1 SCL1
	PINSEL0 |= 0x000A8000;						//MISO1 MOSI1 SCLK1
	PINSEL0 |= 0x80000000;						//SCLK0
	PINSEL1 |= 0x00000028;						//MISO0 MOSI0
	PINSEL0 |= 0x00000050;						//TXD0, RXD0
	
	SCS |= 0x00000001;							//enable FIO0 and FIO1

	Orb(MD2_CS_DPRT,MD2_CS_PIN);
	Orb(TC_CS_DPRT,TC_CS_PIN);
	Orb(LCD_RST_DPRT,LCD_RST_PIN);
	Orb(BL_CTL_DPRT,BL_CTL_PIN);
	Orb(LED1_DPRT,LED1_PIN);
	Orb(LED2_DPRT,LED2_PIN);
	Orb(LED3_DPRT,LED3_PIN);
	Orb(U1UP_DPRT,U1UP_PIN);

	emc_init();
}

void main_init(void)
{
	timer_init();
	io_init();
}

void delay_1ms(unsigned int n)
{
	unsigned char x;
	while (n)
	{
		x = time_1ms_cnt;
		while (x == time_1ms_cnt);
		n--;
	}
}

int main(void)
{
	main_init();

	delay_1ms(100);

	AppInit();

	while (1)
	{
		AppRun();
		timer_task();
		listen();
		say();
	}
}