main.c

s1mp3 sdk, action mp3 develop tool kit!

/*
  Animate a simple sindot.
  FC
*/

#include <s1sdk.h>
#include <math.h>
#include <drivers/lcdtarget.h>
#include "sintableX.c"
#include "sintableY.c"

int Pos_X;
int Pos_Y;
int Pos_X2;
int Pos_Y2;
int Off_X;
int Off_Y;
extern unsigned char *Screen;
extern unsigned char Mod_Table[];
extern unsigned char Div_Table[];

/* Timer interrupt */
void My_RTC_ISR(void) {
	int i;

	LCD_ClearScreen();
	Pos_X += 1;
	Pos_X &= 0x3ff;
	Pos_Y += 2;
	Pos_Y &= 0x3ff;
	Pos_X2 = Pos_X;
	Pos_Y2 = Pos_Y;
	
	for(i = 0; i < 30; i++) {
		Off_X = SINTABLE_DatsX[Pos_X2];
		Off_Y = SINTABLE_DatsY[Pos_Y2];
		Screen[Div_Table[Off_Y] + (Off_X << 2)] |= Mod_Table[Off_Y];
		Pos_X2 += 18;
		Pos_X2 &= 0x3ff;
		Pos_Y2 += 16;
		Pos_Y2 &= 0x3ff;
	}
	LCD_UpdateScreen();
#asm
	in	a, (RTC_IRQSTATUS_REG)
	out	(RTC_IRQSTATUS_REG), a
#endasm
}

int main() {    	
	WATCHDOG_Enable(WD_5_6s);
	MCU_Initialise(MCU_CLK_DIV_NONE);

	LCD_Initialise(16);

	ISR_Initialise();
	RTC_Initialise();
	ISR_Install(ISR_HANDLER_RTC, My_RTC_ISR);

	while(1) {
		WATCHDOG_Reset();
	}
	return(0);
}