1 | /* mbed Microcontroller Library
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2 | * Copyright (c) 2006-2013 ARM Limited
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3 | *
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4 | * Licensed under the Apache License, Version 2.0 (the "License");
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5 | * you may not use this file except in compliance with the License.
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6 | * You may obtain a copy of the License at
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7 | *
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8 | * http://www.apache.org/licenses/LICENSE-2.0
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9 | *
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10 | * Unless required by applicable law or agreed to in writing, software
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11 | * distributed under the License is distributed on an "AS IS" BASIS,
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 | * See the License for the specific language governing permissions and
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14 | * limitations under the License.
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15 | */
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16 | #include <stdio.h>
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17 | #include "hal/gpio_api.h"
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18 | #include "platform/mbed_wait_api.h"
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19 | #include "platform/mbed_toolchain.h"
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20 | #include "platform/mbed_interface.h"
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21 | #include "platform/mbed_critical.h"
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22 | #include "hal/serial_api.h"
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23 |
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24 | #if DEVICE_SERIAL
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25 | extern int stdio_uart_inited;
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26 | extern serial_t stdio_uart;
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27 | #endif
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28 |
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29 | WEAK void mbed_die(void)
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30 | {
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31 | #if !defined (NRF51_H) && !defined(TARGET_EFM32)
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32 | core_util_critical_section_enter();
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33 | #endif
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34 | gpio_t led_err;
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35 | gpio_init_out(&led_err, LED1);
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36 |
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37 | while (1) {
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38 | for (int i = 0; i < 4; ++i) {
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39 | gpio_write(&led_err, 1);
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40 | wait_ms(150);
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41 | gpio_write(&led_err, 0);
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42 | wait_ms(150);
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43 | }
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44 |
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45 | for (int i = 0; i < 4; ++i) {
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46 | gpio_write(&led_err, 1);
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47 | wait_ms(400);
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48 | gpio_write(&led_err, 0);
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49 | wait_ms(400);
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50 | }
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51 | }
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52 | }
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53 |
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54 | void mbed_error_printf(const char *format, ...)
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55 | {
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56 | va_list arg;
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57 | va_start(arg, format);
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58 | mbed_error_vfprintf(format, arg);
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59 | va_end(arg);
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60 | }
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61 |
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62 | void mbed_error_vfprintf(const char *format, va_list arg)
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63 | {
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64 | #if DEVICE_SERIAL
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65 | #define ERROR_BUF_SIZE (128)
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66 | core_util_critical_section_enter();
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67 | char buffer[ERROR_BUF_SIZE];
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68 | int size = vsnprintf(buffer, ERROR_BUF_SIZE, format, arg);
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69 | if (size > 0) {
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70 | if (!stdio_uart_inited) {
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71 | serial_init(&stdio_uart, STDIO_UART_TX, STDIO_UART_RX);
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72 | }
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73 | #if MBED_CONF_PLATFORM_STDIO_CONVERT_NEWLINES
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74 | char stdio_out_prev = '\0';
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75 | for (int i = 0; i < size; i++) {
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76 | if (buffer[i] == '\n' && stdio_out_prev != '\r') {
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77 | serial_putc(&stdio_uart, '\r');
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78 | }
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79 | serial_putc(&stdio_uart, buffer[i]);
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80 | stdio_out_prev = buffer[i];
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81 | }
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82 | #else
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83 | for (int i = 0; i < size; i++) {
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84 | serial_putc(&stdio_uart, buffer[i]);
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85 | }
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86 | #endif
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87 | }
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88 | core_util_critical_section_exit();
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89 | #endif
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90 | }
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