X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Fao_serial.c;h=d6395810064fced74a96432caa33d25481f9e9cc;hb=4f243a282f9aeb7433ccb2942850d380a091e603;hp=a48734c2f22793a957fb9575f6f5d0d2e0d21c26;hpb=ddc83b4c401be965a9947782becf20cc8c54e6a2;p=fw%2Faltos diff --git a/src/ao_serial.c b/src/ao_serial.c index a48734c2..d6395810 100644 --- a/src/ao_serial.c +++ b/src/ao_serial.c @@ -20,12 +20,20 @@ volatile __xdata struct ao_fifo ao_usart1_rx_fifo; volatile __xdata struct ao_fifo ao_usart1_tx_fifo; +#if USE_SERIAL_STDIN +__pdata uint8_t ao_serial_stdin; +#endif + void ao_serial_rx1_isr(void) __interrupt 3 { if (!ao_fifo_full(ao_usart1_rx_fifo)) ao_fifo_insert(ao_usart1_rx_fifo, U1DBUF); ao_wakeup(&ao_usart1_rx_fifo); +#if USE_SERIAL_STDIN + if (ao_serial_stdin) + ao_wakeup(&ao_stdin_ready); +#endif } static __xdata uint8_t ao_serial_tx1_started; @@ -50,8 +58,6 @@ ao_serial_tx1_isr(void) __interrupt 14 ao_wakeup(&ao_usart1_tx_fifo); } -static __pdata serial_echo; - char ao_serial_getchar(void) __critical { @@ -59,16 +65,32 @@ 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 ", ((int) c) & 0xff); - if (c >= ' ') - putchar(c); - putchar('\n'); - flush(); - } + return c; +} + +#if USE_SERIAL_STDIN +char +ao_serial_pollchar(void) __critical +{ + char c; +#if 0 + if (!ao_serial_stdin) + return AO_READ_AGAIN; +#endif + if (ao_fifo_empty(ao_usart1_rx_fifo)) + return AO_READ_AGAIN; + ao_fifo_remove(ao_usart1_rx_fifo,c); return c; } +void +ao_serial_set_stdin(uint8_t stdin) +{ + ao_serial_stdin = stdin; +} + +#endif + void ao_serial_putchar(char c) __critical { @@ -85,18 +107,6 @@ ao_serial_drain(void) __critical ao_sleep(&ao_usart1_tx_fifo); } -static void -monitor_serial(void) -{ - ao_cmd_hex(); - serial_echo = ao_cmd_lex_i != 0; -} - -__code struct ao_cmds ao_serial_cmds[] = { - { 'M', monitor_serial, "M Monitor serial data" }, - { 0, monitor_serial, NULL }, -}; - static const struct { uint8_t baud; uint8_t gcr; @@ -109,6 +119,10 @@ static const struct { /* .baud = */ 163, /* .gcr = */ (8 << UxGCR_BAUD_E_SHIFT) | UxGCR_ORDER_LSB }, + /* [AO_SERIAL_SPEED_19200] = */ { + /* .baud = */ 163, + /* .gcr = */ (9 << UxGCR_BAUD_E_SHIFT) | UxGCR_ORDER_LSB + }, /* [AO_SERIAL_SPEED_57600] = */ { /* .baud = */ 59, /* .gcr = */ (11 << UxGCR_BAUD_E_SHIFT) | UxGCR_ORDER_LSB @@ -154,6 +168,11 @@ ao_serial_init(void) IEN0 |= IEN0_URX1IE; IEN2 |= IEN2_UTX1IE; - - ao_cmd_register(&ao_serial_cmds[0]); +#if 0 +#if USE_SERIAL_STDIN + ao_add_stdio(ao_serial_pollchar, + ao_serial_putchar, + NULL); +#endif +#endif }