int main(void)
{
unsigned char buffer[17]; // Where we are reading to
buffer[16] = '\0'; // Terminating string
int page = 0xa0;
int offset = 0;
init_timer0(); // LCD needs timer0 to function
LCDinit(); // Initializing LCD
ini_i2c(); // Initializing i2c
/******************** MAIN LOOP *********************/
while(1) {
offset &= 0xff;
buffer[0] = offset;
escreve_i2c(page, buffer, 1); /* tell i2c we want to read from page + offset */
if(le_i2c(page, buffer, 16)) { /* If we failed to read 16 bytes */
LCDclear();
LCDgoto(0, 0);
LCDputs("Problema de leitura");
LCDgoto(1, 0);
LCDputs(buffer);
} else {
LCDgoto(0, 0); // Go to first line, first column
LCDputs("Pg = ");
LCDputchar(page + '0'); // Prints page number as char
LCDgoto(0, 8); // Go to the second half of first line
LCDputs("Of = ");
LCDputchar(offset + '0'); // Prints offset as char
LCDgoto(1, 0); // Fisrt column of the second line
LCDputs(buffer); // Prints buffer
}
}
return 0;
}
static void
read_card(int off, char *buf)
{
LCD_command(1);
LCD_puts(INSCAR, sizeof(INSCAR));
DPRINTF(INSCAR);
while (FIO0PIN & (1 << 21));
DPRINTF("AQUI1\n");
/* Depois de qualquer operacao efetua uma leitura */
buf[0] = off;
/* Escreve o offset (endereco no smcard) */
escreve_i2c(0xa0, buf, 1);
DPRINTF("AQUI2\n");
/* Le 16 bytes a partir do offset */
le_i2c(0xa0, buf, 16);
buf[16] = '\0';
DPRINTF("AQUI3\n");
for (x = 0; x < 16; x++)
PrByte(buf[x]);
}
