mbed-os/platform/mbed_board.c

96 lines
2.7 KiB
C

/* mbed Microcontroller Library
* Copyright (c) 2006-2013 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include "hal/gpio_api.h"
#include "platform/mbed_wait_api.h"
#include "platform/mbed_toolchain.h"
#include "platform/mbed_interface.h"
#include "platform/mbed_retarget.h"
#include "platform/mbed_critical.h"
WEAK void mbed_die(void)
{
#if !defined (NRF51_H) && !defined(TARGET_EFM32)
core_util_critical_section_enter();
#endif
gpio_t led_err;
gpio_init_out(&led_err, LED1);
while (1) {
for (int i = 0; i < 4; ++i) {
gpio_write(&led_err, 1);
wait_ms(150);
gpio_write(&led_err, 0);
wait_ms(150);
}
for (int i = 0; i < 4; ++i) {
gpio_write(&led_err, 1);
wait_ms(400);
gpio_write(&led_err, 0);
wait_ms(400);
}
}
}
void mbed_error_printf(const char *format, ...)
{
va_list arg;
va_start(arg, format);
mbed_error_vprintf(format, arg);
va_end(arg);
}
void mbed_error_vprintf(const char *format, va_list arg)
{
char buffer[132];
int size = vsnprintf(buffer, sizeof buffer, format, arg);
if (size >= sizeof buffer) {
/* Output was truncated - indicate by overwriting tail of buffer
* with ellipsis, newline and null terminator.
*/
static const char ellipsis[] = "...\n";
memcpy(&buffer[sizeof buffer - sizeof ellipsis], ellipsis, sizeof ellipsis);
}
if (size > 0) {
mbed_error_puts(buffer);
}
}
void mbed_error_puts(const char *str)
{
core_util_critical_section_enter();
#if MBED_CONF_PLATFORM_STDIO_CONVERT_NEWLINES || MBED_CONF_PLATFORM_STDIO_CONVERT_TTY_NEWLINES
char stdio_out_prev = '\0';
for (; *str != '\0'; str++) {
if (*str == '\n' && stdio_out_prev != '\r') {
const char cr = '\r';
write(STDERR_FILENO, &cr, 1);
}
write(STDERR_FILENO, str, 1);
stdio_out_prev = *str;
}
#else
write(STDERR_FILENO, str, strlen(str));
#endif
core_util_critical_section_exit();
}
void mbed_error_vfprintf(const char *format, va_list arg)
{
mbed_error_vprintf(format, arg);
}