diff options
Diffstat (limited to 'bsps/arm/atsam/console/console.c')
-rw-r--r-- | bsps/arm/atsam/console/console.c | 40 |
1 files changed, 27 insertions, 13 deletions
diff --git a/bsps/arm/atsam/console/console.c b/bsps/arm/atsam/console/console.c index 5ef4327e11..0f82c0c0c4 100644 --- a/bsps/arm/atsam/console/console.c +++ b/bsps/arm/atsam/console/console.c @@ -1,15 +1,28 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /* - * Copyright (c) 2016 embedded brains GmbH. All rights reserved. + * Copyright (c) 2016 embedded brains GmbH & Co. KG * - * embedded brains GmbH - * Dornierstr. 4 - * 82178 Puchheim - * Germany - * <rtems@embedded-brains.de> + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #include <bsp.h> @@ -145,8 +158,9 @@ static void atsam_uart_interrupt(void *arg) } } - if (ctx->transmitting && (sr & UART_SR_TXEMPTY) != 0) { + while (ctx->transmitting && (sr & UART_SR_TXRDY) != 0) { rtems_termios_dequeue_characters(tty, 1); + sr = regs->UART_SR; } } #endif @@ -408,16 +422,16 @@ static void atsam_uart_write( if (len > 0) { ctx->transmitting = true; regs->UART_THR = buf[0]; - regs->UART_IER = UART_IDR_TXEMPTY; + regs->UART_IER = UART_IDR_TXRDY; } else { ctx->transmitting = false; - regs->UART_IDR = UART_IDR_TXEMPTY; + regs->UART_IDR = UART_IDR_TXRDY; } #else size_t i; for (i = 0; i < len; ++i) { - while ((regs->UART_SR & UART_SR_TXEMPTY) == 0) { + while ((regs->UART_SR & UART_SR_TXRDY) == 0) { /* Wait */ } |