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#define PBDR (*((volatile unsigned short *)0x05FFFFC2))
#define DC 1
#define CS1 2
#define SDA 4
#define SCK 8
static const unsigned char ascii2lcd[] = {
0x00,0x01,0x02,0x03,0x00,0x84,0x85,0x89,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xec,0xe3,0xe2,0xe1,0xe0,0xdf,0x15,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x24,0x25,0x26,0x37,0x06,0x29,0x2a,0x2b,
0x2c,0x2d,0x2e,0x2f,0x30,0x31,0x32,0x33,
0x34,0x35,0x36,0x37,0x38,0x39,0x3a,0x3b,
0x3c,0x3d,0x3e,0x3f,0x40,0x41,0x42,0x43,
0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x4b,
0x4c,0x4d,0x4e,0x4f,0x50,0x51,0x52,0x53,
0x54,0x55,0x56,0x57,0x58,0x59,0x5a,0x5b,
0x5c,0x5d,0x5e,0xa9,0x33,0xce,0x00,0x15,
0x00,0x65,0x66,0x67,0x68,0x69,0x6a,0x6b,
0x6c,0x6d,0x6e,0x6f,0x70,0x71,0x72,0x73,
0x74,0x75,0x76,0x77,0x78,0x79,0x7a,0x7b,
0x7c,0x7d,0x7e,0x24,0x24,0x24,0x24,0x24,
0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
0x45,0x45,0x45,0x45,0x45,0x45,0x24,0x47,
0x49,0x49,0x49,0x49,0x4d,0x4d,0x4d,0x4d,
0x48,0x52,0x53,0x53,0x53,0x53,0x53,0x24,
0x24,0x59,0x59,0x59,0x59,0x5d,0x24,0x24,
0x65,0x65,0x65,0x65,0x65,0x65,0x24,0x67,
0x69,0x69,0x69,0x69,0x6d,0x6d,0x6d,0x6d,
0x73,0x72,0x73,0x73,0x73,0x73,0x73,0x24,
0x24,0x79,0x79,0x79,0x79,0x7d,0x24,0x7d
};
void lcd_write(int byte, int data)
{
int i;
char on,off;
PBDR &= ~CS1; /* enable lcd chip select */
if ( data ) {
on=~(SDA|SCK);
off=SCK|DC;
}
else {
on=~(SDA|SCK|DC);
off=SCK;
}
/* clock out each bit, MSB first */
for (i=0x80;i;i>>=1)
{
PBDR &= on;
if (i & byte)
PBDR |= SDA;
PBDR |= off;
}
PBDR |= CS1; /* disable lcd chip select */
}
void lcd_printxy( char x, char y, unsigned char* string, int len )
{
int i;
lcd_write(0xb0+y*16+x,0);
for (i=0; string[i] && i<len; i++)
lcd_write(ascii2lcd[string[i]],1);
}
int main(void)
{
lcd_printxy(0,0,"Open Source",11);
/* simple scroll */
while (1) {
int i,j;
char* string = " Jukebox Jukebox ";
for ( i=0; i<11; i++ ) {
lcd_printxy(0,1,string+i,11);
for (j=0; j<600000; j++);
PBDR ^= 0x40; /* toggle LED (PB6) */
}
}
}
extern const void stack(void);
const void* vectors[] __attribute__ ((section (".vectors"))) =
{
main, /* Power-on reset */
stack, /* Power-on reset (stack pointer) */
main, /* Manual reset */
stack /* Manual reset (stack pointer) */
};
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