Add M command to monitor serial bytes

diff --git a/src/ao_serial.c b/src/ao_serial.c
index e926b4e4fb24d656a04fbea8434e2b169440669d..f2f5e69736e6540f07572d90b9ba45a163337059 100644 (file)
--- a/src/ao_serial.c
+++ b/src/ao_serial.c
@@ -50,6 +50,8 @@ ao_serial_tx1_isr(void) interrupt 14
        ao_wakeup(&ao_usart1_tx_fifo);
 }
 
        ao_wakeup(&ao_usart1_tx_fifo);
 }
 

+static __pdata serial_echo;
+

 char
 ao_serial_getchar(void) __critical
 {
 char
 ao_serial_getchar(void) __critical
 {


@@ -57,6 +59,10 @@ 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);
        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;
 }
 
        return c;
 }
 


@@ -79,8 +85,16 @@ send_serial(void)
        }
 }
 
        }
 }
 

+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" },
 __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 },
 };
 
        { 0, send_serial, NULL },
 };