int main(void)
{
// board setup stuff
led_init();
uart_init();
floppy_low_init();
sdpin_init();
spi_low_cs_init();
spi_low_mst_init();
//timer_init();
// say hello
uart_send_string((u08 *)"--- dfx-sampler sam7x/SPI ---");
uart_send_crlf();
// do initial setup
rtc_init();
memory_init();
floppy_select_on();
track_init();
floppy_select_off();
net_init();
// print current RTC
uart_send_string((u08 *)"rtc: ");
uart_send_string((u08 *)rtc_get_time_str());
uart_send_crlf();
// show network info
net_info();
while(1) {
uart_send_string((u08 *)"> ");
led_green(1);
// get next command via SPI
u08 *cmd;
u08 len = cmd_uart_get_next(&cmd);
led_green(0);
if(len>0) {
u08 result[CMD_MAX_SIZE];
u08 res_size = CMD_MAX_SIZE;
// parse and execute command
cmd_parse(len, cmd, &res_size, result);
// report result
if(res_size > 0) {
uart_send_data(result, res_size);
uart_send_crlf();
}
}
}
}
// diagnose commands
static void cmd_diagnose(void)
{
u08 cmd, res;
u08 exit = 0;
while((cmd = get_char()) != 0) {
switch(cmd) {
case 'b': // buttons -> returns 0=no button 1=button2 2=button2 3=both buttons
res = button1_pressed() | (button2_pressed() << 1);
set_result(res);
break;
case 'l': // led: param: 1=green 2=yellow 3=both
{
cmd = parse_hex_byte(3);
led_green(cmd & 1);
led_yellow(cmd & 2);
set_result(cmd);
delay_ms(1000);
}
break;
case 'i': // io sd diagnose: show sd detect and sd protect
{
res = sdpin_no_card() ? 1 :0;
res |= sdpin_write_protect() ? 2:0;
set_result(res);
}
break;
default:
set_result(ERROR_SYNTAX);
case '.':
exit = 1;
break;
}
if(exit) break;
}
}
/*
* Blink the status LEDs a little to indicate that the device has just
* booted. This is useful to see if an error is making the device reboot
* when not supposed to. And it looks cool.
*/
void boot_msg(void)
{
int i = 0;
LED_PORT |= LED_GREEN;
for (i = 0; i < 2; i++) {
/* blinky */
delay_ms(1000);
led_green(0x00);
led_red(0x01);
/* blink */
delay_ms(1000);
led_red(0x00);
led_green(0x01);
}
delay_ms(1000);
led_green(0x00);
}
static void initialisation(void){
PCONP |= (1 << 12); // Enable power to AD block
for (i = 0; i < 20000000; i++); // Wait for initial display
IODIR0 |= 0x00000C00; // config touch LED pins as outputs
led_green(); // make the LED green
PINMODE4 &= ~(0xFFFF); // P2[7:0]pullups
PINSEL4 &= ~(0xFFFF); // P2[7:0]are GPIO
FIO2DIR0 = 0xFF; // P2[7:0]are outputs
FIO2MASK0 = 0x00; // P2[7:0]enabled for fast I/O
touch_detect(); // setup for touch detection
install_irq(17, (void*)detected, 1); // setup interrupt vector
IO0_INT_EN_F = X_plus; // enable falling edge X-plus interrupt
}
int main(int argc, char **argv)
{
initialize();
clear_array();
//Message to display on serial console.
//USART_SendString("\tHello world.\r\n");
char str [33];
while(1){
PORTC = PINA;
//Creating the "X":
int i, j, k;
//printf("\tHello \r\n");
//IF no button pressed, light up as green
if (PORTC != 0b00000001) {
//clear_array();
for (i = 7; i >= 0; i--) {
PORTE = i;
led_green(7-i, 7-i);
led_green(7-i, i);
_delay_ms(0.1);
#ifdef DEBUG
USART_SendString("\t\r\nX: ");
USART_Transmit(itoa(7-i, str, 10));
USART_SendString("\t\r\nY(top): ");
USART_Transmit(itoa(7-i, str, 10));
USART_SendString("\t\r\nY(bottom): ");
USART_Transmit(itoa(i, str, 10));
#endif
set_array_green(0);
}
}
//IF button 1 is pressed, light up as red
if (PORTC & 0b00000010) {
clear_array();
for (i = 7; i >= 0; i--) {
PORTE = i;
led_red(7-i, 7-i);
led_red(7-i, i);
_delay_ms(0.1);
#ifdef DEBUG
USART_SendString("\t\r\nX: ");
USART_Transmit(itoa(7-i, str, 10));
USART_SendString("\t\r\nY(top): ");
USART_Transmit(itoa(7-i, str, 10));
USART_SendString("\t\r\nY(bottom): ");
USART_Transmit(itoa(i, str, 10));
#endif
set_array_red(0);
}
}
//IF button 5 is pressed, light up as blue.
if (PORTC & 0b00100000) {
clear_array();
for (i = 7; i >= 0; i--) {
PORTE = i;
led_blue(7-i, 7-i);
led_blue(7-i, i);
_delay_ms(0.1);
#ifdef DEBUG
USART_SendString("\t\r\nX: ");
USART_Transmit(itoa(7-i, str, 10));
USART_SendString("\t\r\nY(top): ");
USART_Transmit(itoa(7-i, str, 10));
USART_SendString("\t\r\nY(bottom): ");
USART_Transmit(itoa(i, str, 10));
#endif
set_array_blue(0);
}
}
}
}
