ao_wakeup(&ao_usart1_tx_fifo);
}
+static __pdata serial_echo;
+
char
ao_serial_getchar(void) __critical
{
while (ao_fifo_empty(ao_usart1_rx_fifo))
ao_sleep(&ao_usart1_rx_fifo);
ao_fifo_remove(ao_usart1_rx_fifo, c);
+ if (serial_echo) {
+ printf("%02x\n", (uint8_t) c);
+ flush();
+ }
return c;
}
}
}
+static void
+monitor_serial(void)
+{
+ ao_cmd_hex();
+ serial_echo = ao_cmd_lex_i != 0;
+}
+
__code struct ao_cmds ao_serial_cmds[] = {
{ 'S', send_serial, "S <data> Send data to serial line" },
+ { 'M', monitor_serial, "M <enable> Monitor serial data" },
{ 0, send_serial, NULL },
};