uint8_t ao_btm_running;
int8_t ao_btm_stdio;
__xdata uint8_t ao_btm_connected;
-uint8_t ao_btm_chat;
__xdata char ao_btm_buffer[1024];
int ao_btm_ptr;
char ao_btm_dir;
-uint8_t ao_btm_send_chars = 0;
-
void
ao_btm_putchar(char c);
;
}
+/*
+ * Set the stdio echo for the bluetooth link
+ */
void
ao_btm_echo(uint8_t echo)
{
ao_cmd_lex();
}
ao_cmd_status = 0;
- return !ao_btm_connected;
+ return 0;
}
/*
- * A wrapper for ao_serial_pollchar that
- * doesn't return any characters while we're
- * initializing the bluetooth device
+ * Delay between command charaters; the BT module
+ * can't keep up with 57600 baud
*/
-char
-ao_btm_pollchar(void)
-{
- char c;
- if (!ao_btm_running)
- return AO_READ_AGAIN;
- c = ao_serial_pollchar();
- if (c != AO_READ_AGAIN)
- ao_btm_log_in_char(c);
- return c;
-}
void
ao_btm_putchar(char c)
{
- if (!ao_btm_send_chars) {
- ao_btm_log_out_char(c);
- ao_serial_putchar(c);
- }
-}
-
-void
-ao_btm_stdio_putchar(char c) {
- if (ao_btm_connected)
- ao_btm_putchar(c);
+ ao_btm_log_out_char(c);
+ ao_serial_putchar(c);
+ ao_delay(1);
}
/*
uint8_t
ao_btm_set_name(void)
{
- char sn[7];
- char *s = sn + 7;
+ char sn[8];
+ char *s = sn + 8;
char c;
int n;
ao_btm_string("ATN=TeleBT-");
*--s = '\0';
+ *--s = '\r';
n = ao_serial_number;
do {
*--s = '0' + n % 10;
return 1;
return 0;
}
+
/*
* A thread to initialize the bluetooth device and
* hang around to blink the LED when connected
void
ao_btm(void)
{
- ao_add_stdio(ao_btm_pollchar,
- ao_btm_stdio_putchar,
- NULL);
- ao_btm_stdio = ao_num_stdios - 1;
- ao_btm_echo(0);
-
+ /*
+ * Wait for the bluetooth device to boot
+ */
ao_delay(AO_SEC_TO_TICKS(3));
/*
/* Turn off status reporting */
ao_btm_cmd("ATQ1\r");
+ ao_btm_stdio = ao_add_stdio(ao_serial_pollchar,
+ ao_serial_putchar,
+ NULL);
+ ao_btm_echo(0);
+
ao_btm_running = 1;
for (;;) {
- while (!ao_btm_connected && !ao_btm_chat)
+ while (!ao_btm_connected)
ao_sleep(&ao_btm_connected);
- if (ao_btm_chat) {
- ao_btm_running = 0;
- while (ao_btm_chat) {
- char c;
- c = ao_serial_pollchar();
- if (c != AO_READ_AGAIN) {
- ao_btm_log_in_char(c);
- ao_usb_putchar(c);
- } else {
- ao_usb_flush();
- ao_sleep(&ao_usart1_rx_fifo);
- }
- }
- ao_btm_running = 1;
- }
while (ao_btm_connected) {
ao_led_for(AO_LED_GREEN, AO_MS_TO_TICKS(20));
ao_delay(AO_SEC_TO_TICKS(3));
__xdata struct ao_task ao_btm_task;
-/*
- * Connect directly to the bluetooth device, mostly
- * useful for testing
- */
-static void
-ao_btm_forward(void)
-{
- char c;
-
- ao_btm_chat = 1;
- ao_wakeup(&ao_btm_connected);
- ao_usb_flush();
- while ((c = ao_usb_getchar()) != '~') {
- if (c == '\n') c = '\r';
- ao_btm_putchar(c);
- }
- ao_btm_chat = 0;
- while (!ao_btm_running) {
- ao_wakeup(&ao_usart1_rx_fifo);
- ao_delay(AO_MS_TO_TICKS(10));
- }
-}
-
/*
* Dump everything received from the bluetooth device during startup
*/
}
__code struct ao_cmds ao_btm_cmds[] = {
- { ao_btm_forward, "B\0BTM serial link." },
{ ao_btm_dump, "d\0Dump btm buffer." },
{ ao_btm_speed, "s <19200,57600>\0Set btm serial speed." },
{ 0, NULL },