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https://github.com/Telecominfraproject/OpenCellular.git
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0a45fa1708
This is the first version of pthread-based RTOS emulator. With this, we will be able to test high-level modules entirely on the host machine. BUG=chrome-os-partner:19325 TEST='make runtests' and see tests passing. BRANCH=None Change-Id: I1f5fcd76aa84bdb46c7d35c5e60ae5d92fd3a319 Signed-off-by: Vic Yang <victoryang@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/49954 Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
87 lines
1.1 KiB
C
87 lines
1.1 KiB
C
/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* UART driver for emulator */
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#include <stdio.h>
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#include "board.h"
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#include "config.h"
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#include "task.h"
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#include "uart.h"
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static int stopped;
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static int int_disabled;
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static int init_done;
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static void trigger_interrupt(void)
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{
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if (!int_disabled)
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uart_process();
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}
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int uart_init_done(void)
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{
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return init_done;
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}
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void uart_tx_start(void)
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{
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stopped = 0;
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trigger_interrupt();
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}
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void uart_tx_stop(void)
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{
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stopped = 1;
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}
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int uart_tx_stopped(void)
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{
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return stopped;
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}
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void uart_tx_flush(void)
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{
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/* Nothing */
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}
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int uart_tx_ready(void)
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{
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return 1;
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}
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int uart_rx_available(void)
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{
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return 0;
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}
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void uart_write_char(char c)
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{
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printf("%c", c);
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fflush(stdout);
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}
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int uart_read_char(void)
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{
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/* Should never be called for now */
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return 0;
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}
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void uart_disable_interrupt(void)
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{
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int_disabled = 1;
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}
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void uart_enable_interrupt(void)
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{
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int_disabled = 0;
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}
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void uart_init(void)
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{
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init_done = 1;
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}
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