X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fao_btm.c;h=aa7a7101edd269dca21e2b7c874d961e5f0a2ee5;hb=0195ff442c1da5d363dfda3f88f41865d0c6b469;hp=71907f869f9b80a670a5f876b8fc0e757db8f4db;hpb=1a54a58d72147888f783a3caf364479efff4ed9b;p=fw%2Faltos diff --git a/src/ao_btm.c b/src/ao_btm.c index 71907f86..aa7a7101 100644 --- a/src/ao_btm.c +++ b/src/ao_btm.c @@ -20,14 +20,11 @@ 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); @@ -109,6 +106,9 @@ ao_btm_drain() ; } +/* + * Set the stdio echo for the bluetooth link + */ void ao_btm_echo(uint8_t echo) { @@ -138,39 +138,20 @@ ao_cmd_filter(void) 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); } /* @@ -211,12 +192,13 @@ ao_btm_cmd(__code char *cmd) 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; @@ -236,6 +218,7 @@ ao_btm_try_speed(uint8_t speed) return 1; return 0; } + /* * A thread to initialize the bluetooth device and * hang around to blink the LED when connected @@ -243,11 +226,10 @@ ao_btm_try_speed(uint8_t speed) 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)); /* * The first time we connect, the BTM-180 comes up at 19200 baud. @@ -256,6 +238,7 @@ ao_btm(void) * then tell it to switch to 57600 from 19200 baud. */ while (!ao_btm_try_speed(AO_SERIAL_SPEED_57600)) { + ao_delay(AO_SEC_TO_TICKS(1)); if (ao_btm_try_speed(AO_SERIAL_SPEED_19200)) ao_btm_cmd("ATL4\r"); ao_delay(AO_SEC_TO_TICKS(1)); @@ -273,25 +256,15 @@ ao_btm(void) /* 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)); @@ -301,29 +274,6 @@ ao_btm(void) __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 */ @@ -378,7 +328,6 @@ ao_btm_isr(void) } __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 },