mirror of https://github.com/ARMmbed/mbed-os.git
98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "hal/gpio_api.h"
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#include "platform/mbed_wait_api.h"
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#include "platform/mbed_toolchain.h"
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#include "platform/mbed_interface.h"
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#include "platform/mbed_retarget.h"
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#include "platform/mbed_critical.h"
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WEAK MBED_NORETURN void mbed_die(void)
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{
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#if !defined (NRF51_H) && !defined(TARGET_EFM32)
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core_util_critical_section_enter();
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#endif
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gpio_t led_err;
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gpio_init_out(&led_err, LED1);
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while (1) {
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for (int i = 0; i < 4; ++i) {
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gpio_write(&led_err, 1);
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wait_us(150000);
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gpio_write(&led_err, 0);
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wait_us(150000);
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}
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for (int i = 0; i < 4; ++i) {
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gpio_write(&led_err, 1);
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wait_us(400000);
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gpio_write(&led_err, 0);
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wait_us(400000);
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}
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}
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}
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void mbed_error_printf(const char *format, ...)
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{
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va_list arg;
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va_start(arg, format);
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mbed_error_vprintf(format, arg);
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va_end(arg);
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}
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void mbed_error_vprintf(const char *format, va_list arg)
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{
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char buffer[132];
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int size = vsnprintf(buffer, sizeof buffer, format, arg);
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if ((unsigned int)size >= sizeof buffer) {
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/* Output was truncated - indicate by overwriting tail of buffer
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* with ellipsis, newline and null terminator.
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*/
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static const char ellipsis[] = "...\n";
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memcpy(&buffer[sizeof buffer - sizeof ellipsis], ellipsis, sizeof ellipsis);
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}
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if (size > 0) {
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mbed_error_puts(buffer);
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}
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}
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void mbed_error_puts(const char *str)
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{
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core_util_critical_section_enter();
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#if MBED_CONF_PLATFORM_STDIO_CONVERT_NEWLINES || MBED_CONF_PLATFORM_STDIO_CONVERT_TTY_NEWLINES
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char stdio_out_prev = '\0';
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for (; *str != '\0'; str++) {
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if (*str == '\n' && stdio_out_prev != '\r') {
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const char cr = '\r';
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write(STDERR_FILENO, &cr, 1);
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}
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write(STDERR_FILENO, str, 1);
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stdio_out_prev = *str;
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}
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#else
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write(STDERR_FILENO, str, strlen(str));
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#endif
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core_util_critical_section_exit();
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}
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void mbed_error_vfprintf(const char *format, va_list arg)
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{
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mbed_error_vprintf(format, arg);
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}
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