X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fao_serial.c;h=b8e9d2bf3a3db377a91e70e4e679d13546cba121;hb=359ba0d9fc2c5947e6adc98bebcd061069c61e79;hp=4155e776934ac59f196e67642aa23d462d011025;hpb=d3f76ce58b9c0ed2e5a9fe3bbc7fb9cb38247714;p=fw%2Faltos diff --git a/src/ao_serial.c b/src/ao_serial.c index 4155e776..b8e9d2bf 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 +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; @@ -42,7 +50,7 @@ ao_serial_tx1_start(void) } void -ao_serial_tx1_isr(void) interrupt 14 +ao_serial_tx1_isr(void) __interrupt 14 { UTX1IF = 0; ao_serial_tx1_started = 0; @@ -60,12 +68,38 @@ ao_serial_getchar(void) __critical ao_sleep(&ao_usart1_rx_fifo); ao_fifo_remove(ao_usart1_rx_fifo, c); if (serial_echo) { - printf("%02x\n", ((int) c) & 0xff); + 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 { @@ -82,16 +116,6 @@ ao_serial_drain(void) __critical ao_sleep(&ao_usart1_tx_fifo); } -static void -send_serial(void) -{ - ao_cmd_white(); - while (ao_cmd_lex_c != '\n') { - ao_serial_putchar(ao_cmd_lex_c); - ao_cmd_lex(); - } -} - static void monitor_serial(void) { @@ -100,9 +124,8 @@ monitor_serial(void) } __code struct ao_cmds ao_serial_cmds[] = { - { 'S', send_serial, "S Send data to serial line" }, - { 'M', monitor_serial, "M Monitor serial data" }, - { 0, send_serial, NULL }, + { monitor_serial, "M \0Monitor serial data" }, + { 0, NULL }, }; static const struct { @@ -113,6 +136,14 @@ static const struct { /* .baud = */ 163, /* .gcr = */ (7 << UxGCR_BAUD_E_SHIFT) | UxGCR_ORDER_LSB }, + /* [AO_SERIAL_SPEED_9600] = */ { + /* .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 @@ -160,4 +191,11 @@ ao_serial_init(void) 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 }