// check usart rx buffer for data
void USART_Poll(void) {
if(user_io_dip_switch1())
xmodem_poll();
while(rx_wptr != rx_rptr) {
// this can a little be optimized by sending whole buffer parts
// at once and not just single bytes. But that's probably not
// worth the effort.
char chr = rx_buf[rx_rptr++];
if(user_io_dip_switch1()) {
// if in debug mode use xmodem for file reception
xmodem_rx_byte(chr);
} else {
iprintf("USART RX %d (%c)\n", chr, chr);
// data available -> send via user_io to core
user_io_serial_tx(&chr, 1);
}
}
}
void cdc_control_poll(void) {
// flush out queue every now and then
if(flush_timer && CheckTimer(flush_timer)) {
cdc_control_flush();
flush_timer = 0;
}
// low level usb handling happens inside usb_cdc_poll
if(usb_cdc_poll()) {
uint16_t read, i;
char data[AT91C_EP_OUT_SIZE];
// check for user input
if((read = usb_cdc_read(data, AT91C_EP_OUT_SIZE)) != 0) {
switch(tos_get_cdc_control_redirect()) {
case CDC_REDIRECT_RS232:
iprintf("RS232 forward:\n");
hexdump(data, read, 0);
user_io_serial_tx(data, read);
break;
case CDC_REDIRECT_CONTROL:
for(i=0;i<read;i++) {
// force lower case
if((data[i] >= 'A') && (data[i] <= 'Z'))
data[i] = data[i] - 'A' + 'a';
switch(data[i]) {
case '\r':
cdc_puts("\n\033[7m <<< MIST board controller >>> \033[0m");
cdc_puts("Firmware version ATH" VDATE);
cdc_puts("Commands:");
cdc_puts("\033[7mR\033[0meset");
cdc_puts("\033[7mC\033[0moldreset");
cdc_puts("\033[7mD\033[0mebug output redirect");
cdc_puts("R\033[7mS\033[0m232 redirect");
cdc_puts("\033[7mP\033[0marallel redirect");
cdc_puts("\033[7mM\033[0mIDI redirect");
cdc_puts("");
break;
case 'r':
cdc_puts("Reset ...");
tos_reset(0);
break;
case 'c':
cdc_puts("Coldreset ...");
tos_reset(1);
break;
case 'd':
cdc_puts("Debug output redirect enabled");
tos_set_cdc_control_redirect(CDC_REDIRECT_DEBUG);
break;
case 's':
cdc_puts("RS232 redirect enabled");
tos_set_cdc_control_redirect(CDC_REDIRECT_RS232);
break;
case 'p':
cdc_puts("Parallel redirect enabled");
tos_set_cdc_control_redirect(CDC_REDIRECT_PARALLEL);
break;
case 'm':
cdc_puts("MIDI redirect enabled");
tos_set_cdc_control_redirect(CDC_REDIRECT_MIDI);
break;
}
break;
}
default:
break;
}
}
}
}
