void __attribute__((noreturn)) usb_recv_task(struct vcom * vcom)
{
struct serial_dev * serial = vcom->serial;
usb_cdc_class_t * cdc = vcom->cdc;
uint8_t buf[VCOM_BUF_SIZE];
int len;
DCC_LOG1(LOG_TRACE, "[%d] started.", thinkos_thread_self());
DCC_LOG2(LOG_TRACE, "vcom->%p, cdc->%p", vcom, cdc);
for (;;) {
len = usb_cdc_read(cdc, buf, VCOM_BUF_SIZE, 1000);
if (vcom->mode == VCOM_MODE_CONVERTER) {
if (len > 0) {
led_flash(LED_RED, 50);
serial_write(serial, buf, len);
#if RAW_TRACE
if (len == 1)
DCC_LOG1(LOG_TRACE, "TX: %02x", buf[0]);
else if (len == 2)
DCC_LOG2(LOG_TRACE, "TX: %02x %02x",
buf[0], buf[1]);
else if (len == 3)
DCC_LOG3(LOG_TRACE, "TX: %02x %02x %02x",
buf[0], buf[1], buf[2]);
else if (len == 4)
DCC_LOG4(LOG_TRACE, "TX: %02x %02x %02x %02x",
buf[0], buf[1], buf[2], buf[3]);
else if (len == 5)
DCC_LOG5(LOG_TRACE, "TX: %02x %02x %02x %02x %02x",
buf[0], buf[1], buf[2], buf[3], buf[4]);
else if (len == 6)
DCC_LOG6(LOG_TRACE, "TX: %02x %02x %02x %02x %02x %02x",
buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
else if (len == 7)
DCC_LOG7(LOG_TRACE, "TX: %02x %02x %02x %02x %02x %02x %02x ",
buf[0], buf[1], buf[2], buf[3],
buf[4], buf[5], buf[6]);
else
DCC_LOG8(LOG_TRACE, "TX: %02x %02x %02x %02x %02x %02x "
"%02x %02x ...", buf[0], buf[1], buf[2], buf[3],
buf[4], buf[5], buf[6], buf[7]);
#endif
#if SDU_TRACE
TX(buf, len);
#endif
// dbg_write(buf, len);
}
} else {
// forward to service input
vcom_service_input(vcom, buf, len);
}
}
}
int usb_recv_task(struct vcom * vcom)
{
struct serial_dev * serial = vcom->serial;
struct usb_cdc_class * usb = vcom->usb;
char buf[VCOM_BUF_SIZE];
int len;
DCC_LOG1(LOG_TRACE, "[%d] started.", thinkos_thread_self());
for (;;) {
len = usb_cdc_read(usb, buf, VCOM_BUF_SIZE, 100);
if (len > 0)
serial_write(serial, buf, len);
}
return 0;
}
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;
}
}
}
}
