X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Flpc%2Fao_serial_lpc.c;h=1a833b3860d22d3268a772124dd01cff5ddbf016;hb=68c3a1f238be808b23573dbd19bcfc135d25bd03;hp=d6b0082a093c400498b1013230efcc03854db3d4;hpb=c542a2ed0f222bd0ec84e4a9651585d441dd7ccf;p=fw%2Faltos diff --git a/src/lpc/ao_serial_lpc.c b/src/lpc/ao_serial_lpc.c index d6b0082a..1a833b38 100644 --- a/src/lpc/ao_serial_lpc.c +++ b/src/lpc/ao_serial_lpc.c @@ -3,7 +3,8 @@ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of @@ -49,21 +50,26 @@ _ao_serial_tx_start(void) void lpc_usart_isr(void) { + uint8_t wake_input = 0; (void) lpc_usart.iir_fcr; while (lpc_usart.lsr & (1 << LPC_USART_LSR_RDR)) { - char c = lpc_usart.rbr_thr; + char c = (char) lpc_usart.rbr_thr; if (!ao_fifo_full(ao_usart_rx_fifo)) ao_fifo_insert(ao_usart_rx_fifo, c); - ao_wakeup(&ao_usart_rx_fifo); - if (stdin) - ao_wakeup(&ao_stdin_ready); + wake_input = 1; } if (lpc_usart.lsr & (1 << LPC_USART_LSR_THRE)) { ao_usart_tx_avail = LPC_USART_TX_FIFO_SIZE; _ao_serial_tx_start(); ao_wakeup(&ao_usart_tx_fifo); } + if (wake_input) { + ao_wakeup(&ao_usart_rx_fifo); +#if USE_SERIAL_0_STDIN + ao_wakeup(&ao_stdin_ready); +#endif + } } int @@ -129,11 +135,11 @@ ao_serial0_set_speed(uint8_t speed) /* DL MSB */ lpc_usart.ier = (ao_usart_speeds[speed].dl >> 8) & 0xff; - lpc_usart.fdr = ((ao_usart_speeds[speed].divaddval << LPC_USART_FDR_DIVADDVAL) | - (ao_usart_speeds[speed].mulval << LPC_USART_FDR_MULVAL)); + lpc_usart.fdr = (((uint32_t) ao_usart_speeds[speed].divaddval << LPC_USART_FDR_DIVADDVAL) | + ((uint32_t) ao_usart_speeds[speed].mulval << LPC_USART_FDR_MULVAL)); /* Turn access to divisor latches back off */ - lpc_usart.lcr &= ~(1 << LPC_USART_LCR_DLAB); + lpc_usart.lcr &= ~(1UL << LPC_USART_LCR_DLAB); } void @@ -151,6 +157,18 @@ ao_serial_init(void) (0 << LPC_IOCONF_INV) | (0 << LPC_IOCONF_OD)); #endif +#if SERIAL_1_13_14 + lpc_ioconf.pio1_13 = ((LPC_IOCONF_FUNC_PIO1_13_TXD << LPC_IOCONF_FUNC) | + (LPC_IOCONF_MODE_INACTIVE << LPC_IOCONF_MODE) | + (0 << LPC_IOCONF_HYS) | + (0 << LPC_IOCONF_INV) | + (0 << LPC_IOCONF_OD)); + lpc_ioconf.pio1_14 = ((LPC_IOCONF_FUNC_PIO1_14_RXD << LPC_IOCONF_FUNC) | + (LPC_IOCONF_MODE_INACTIVE << LPC_IOCONF_MODE) | + (0 << LPC_IOCONF_HYS) | + (0 << LPC_IOCONF_INV) | + (0 << LPC_IOCONF_OD)); +#endif /* Turn on the USART */ lpc_scb.sysahbclkctrl |= (1 << LPC_SCB_SYSAHBCLKCTRL_USART); @@ -202,8 +220,8 @@ ao_serial_init(void) lpc_nvic_set_enable(LPC_ISR_USART_POS); lpc_nvic_set_priority(LPC_ISR_USART_POS, 0); #if USE_SERIAL_0_STDIN - ao_add_stdio(_ao_serial_pollchar, - ao_serial_putchar, + ao_add_stdio(_ao_serial0_pollchar, + ao_serial0_putchar, NULL); #endif }