mbed-os/platform/mbed_board.c

104 lines
2.9 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_critical.h"
#include "hal/serial_api.h"
#if DEVICE_SERIAL
extern int stdio_uart_inited;
extern serial_t stdio_uart;
#endif
WEAK void mbed_die(void) {
#if !defined (NRF51_H) && !defined(TARGET_EFM32)
core_util_critical_section_enter();
#endif
#if (DEVICE_ERROR_RED == 1)
gpio_t led_red; gpio_init_out(&led_red, LED_RED);
#elif (DEVICE_ERROR_PATTERN == 1)
gpio_t led_1; gpio_init_out(&led_1, LED1);
gpio_t led_2; gpio_init_out(&led_2, LED2);
gpio_t led_3; gpio_init_out(&led_3, LED3);
gpio_t led_4; gpio_init_out(&led_4, LED4);
#endif
while (1) {
#if (DEVICE_ERROR_RED == 1)
gpio_write(&led_red, 1);
#elif (DEVICE_ERROR_PATTERN == 1)
gpio_write(&led_1, 1);
gpio_write(&led_2, 0);
gpio_write(&led_3, 0);
gpio_write(&led_4, 1);
#endif
wait_ms(150);
#if (DEVICE_ERROR_RED == 1)
gpio_write(&led_red, 0);
#elif (DEVICE_ERROR_PATTERN == 1)
gpio_write(&led_1, 0);
gpio_write(&led_2, 1);
gpio_write(&led_3, 1);
gpio_write(&led_4, 0);
#endif
wait_ms(150);
}
}
void mbed_error_printf(const char* format, ...) {
va_list arg;
va_start(arg, format);
mbed_error_vfprintf(format, arg);
va_end(arg);
}
void mbed_error_vfprintf(const char * format, va_list arg) {
#if DEVICE_SERIAL
#define ERROR_BUF_SIZE (128)
core_util_critical_section_enter();
char buffer[ERROR_BUF_SIZE];
int size = vsnprintf(buffer, ERROR_BUF_SIZE, format, arg);
if (size > 0) {
if (!stdio_uart_inited) {
serial_init(&stdio_uart, STDIO_UART_TX, STDIO_UART_RX);
}
#if MBED_CONF_PLATFORM_STDIO_CONVERT_NEWLINES
char stdio_out_prev = '\0';
for (int i = 0; i < size; i++) {
if (buffer[i] == '\n' && stdio_out_prev != '\r') {
serial_putc(&stdio_uart, '\r');
}
serial_putc(&stdio_uart, buffer[i]);
stdio_out_prev = buffer[i];
}
#else
for (int i = 0; i < size; i++) {
serial_putc(&stdio_uart, buffer[i]);
}
#endif
}
core_util_critical_section_exit();
#endif
}