altos: Add the BT serial debug code back in, disabled
authorKeith Packard <keithp@keithp.com>
Sun, 28 Aug 2011 22:45:05 +0000 (15:45 -0700)
committerKeith Packard <keithp@keithp.com>
Sun, 28 Aug 2011 22:45:05 +0000 (15:45 -0700)
This code is useful whenever the BT stuff is acting up, so just leave
the source in place, turned off by default.

Signed-off-by: Keith Packard <keithp@keithp.com>
src/drivers/ao_btm.c

index 44155ec..e70e304 100644 (file)
 int8_t                 ao_btm_stdio;
 __xdata uint8_t                ao_btm_connected;
 
+#define BT_DEBUG 0
+
+#if BT_DEBUG
+__xdata char           ao_btm_buffer[256];
+int                    ao_btm_ptr;
+char                   ao_btm_dir;
+
+static void
+ao_btm_add_char(char c)
+{
+       if (ao_btm_ptr < sizeof (ao_btm_buffer))
+               ao_btm_buffer[ao_btm_ptr++] = c;
+}
+
+static void
+ao_btm_log_char(char c, char dir)
+{
+       if (dir != ao_btm_dir) {
+               ao_btm_add_char(dir);
+               ao_btm_dir = dir;
+       }
+       ao_btm_add_char(c);
+}
+
+static void
+ao_btm_log_out_char(char c)
+{
+       ao_btm_log_char(c, '>');
+}
+
+static void
+ao_btm_log_in_char(char c)
+{
+       ao_btm_log_char(c, '<');
+}
+
+/*
+ * Dump everything received from the bluetooth device during startup
+ */
+static void
+ao_btm_dump(void)
+{
+       int i;
+       char c;
+
+       for (i = 0; i < ao_btm_ptr; i++) {
+               c = ao_btm_buffer[i];
+               if (c < ' ' && c != '\n')
+                       printf("\\%03o", ((int) c) & 0xff);
+               else
+                       putchar(ao_btm_buffer[i]);
+       }
+       putchar('\n');
+}
+
+static void
+ao_btm_speed(void)
+{
+       ao_cmd_decimal();
+       if (ao_cmd_lex_u32 == 57600)
+               ao_serial_set_speed(AO_SERIAL_SPEED_57600);
+       else if (ao_cmd_lex_u32 == 19200)
+               ao_serial_set_speed(AO_SERIAL_SPEED_19200);
+       else
+               ao_cmd_status = ao_cmd_syntax_error;
+}
+
+__code struct ao_cmds ao_btm_cmds[] = {
+       { ao_btm_dump,          "d\0Dump btm buffer." },
+       { ao_btm_speed,         "s <19200,57600>\0Set btm serial speed." },
+       { 0, NULL },
+};
+
+#define ao_btm_log_init()      ao_cmd_register(&ao_btm_cmds[0])
+
+#else
+#define ao_btm_log_in_char(c)
+#define ao_btm_log_out_char(c)
+#define ao_btm_log_init()
+#endif
+
 #define AO_BTM_MAX_REPLY       16
 __xdata char           ao_btm_reply[AO_BTM_MAX_REPLY];
 
@@ -39,6 +120,7 @@ ao_btm_get_line(void)
        for (;;) {
 
                while ((c = ao_serial_pollchar()) != AO_READ_AGAIN) {
+                       ao_btm_log_in_char(c);
                        if (ao_btm_reply_len < sizeof (ao_btm_reply))
                                ao_btm_reply[ao_btm_reply_len++] = c;
                        if (c == '\r' || c == '\n')
@@ -85,6 +167,7 @@ ao_btm_echo(uint8_t echo)
 void
 ao_btm_putchar(char c)
 {
+       ao_btm_log_out_char(c);
        ao_serial_putchar(c);
        ao_delay(1);
 }
@@ -299,4 +382,5 @@ ao_btm_init (void)
 #endif
 
        ao_add_task(&ao_btm_task, ao_btm, "bt");
+       ao_btm_log_init();
 }