Arrow / Mbed OS DAPLink Reset

Repostiory containing DAPLink source code with Reset Pin workaround for HANI_IOT board.

Upstream: https://github.com/ARMmbed/DAPLink

source/daplink/daplink_debug.h@0:01f31e923fe2, 2020-04-07 (annotated)

Committer:
Pawel Zarembski
Date:
Tue Apr 07 12:55:42 2020 +0200
Revision:
0:01f31e923fe2
hani: DAPLink with reset workaround

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pawel Zarembski 0:01f31e923fe2 1 /**
Pawel Zarembski 0:01f31e923fe2 2 * @file daplink_debug.h
Pawel Zarembski 0:01f31e923fe2 3 * @brief optional trace messages useful in development
Pawel Zarembski 0:01f31e923fe2 4 *
Pawel Zarembski 0:01f31e923fe2 5 * DAPLink Interface Firmware
Pawel Zarembski 0:01f31e923fe2 6 * Copyright (c) 2009-2016, ARM Limited, All Rights Reserved
Pawel Zarembski 0:01f31e923fe2 7 * SPDX-License-Identifier: Apache-2.0
Pawel Zarembski 0:01f31e923fe2 8 *
Pawel Zarembski 0:01f31e923fe2 9 * Licensed under the Apache License, Version 2.0 (the "License"); you may
Pawel Zarembski 0:01f31e923fe2 10 * not use this file except in compliance with the License.
Pawel Zarembski 0:01f31e923fe2 11 * You may obtain a copy of the License at
Pawel Zarembski 0:01f31e923fe2 12 *
Pawel Zarembski 0:01f31e923fe2 13 * http://www.apache.org/licenses/LICENSE-2.0
Pawel Zarembski 0:01f31e923fe2 14 *
Pawel Zarembski 0:01f31e923fe2 15 * Unless required by applicable law or agreed to in writing, software
Pawel Zarembski 0:01f31e923fe2 16 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
Pawel Zarembski 0:01f31e923fe2 17 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Pawel Zarembski 0:01f31e923fe2 18 * See the License for the specific language governing permissions and
Pawel Zarembski 0:01f31e923fe2 19 * limitations under the License.
Pawel Zarembski 0:01f31e923fe2 20 */
Pawel Zarembski 0:01f31e923fe2 21
Pawel Zarembski 0:01f31e923fe2 22 #ifndef DAPLINK_DEBUG_H
Pawel Zarembski 0:01f31e923fe2 23 #define DAPLINK_DEBUG_H
Pawel Zarembski 0:01f31e923fe2 24
Pawel Zarembski 0:01f31e923fe2 25 #include <stdarg.h>
Pawel Zarembski 0:01f31e923fe2 26 #include <stdio.h>
Pawel Zarembski 0:01f31e923fe2 27 #include <string.h>
Pawel Zarembski 0:01f31e923fe2 28 #include <stdint.h>
Pawel Zarembski 0:01f31e923fe2 29 #include "cmsis_os2.h"
Pawel Zarembski 0:01f31e923fe2 30 #include "rl_usb.h"
Pawel Zarembski 0:01f31e923fe2 31 #include "util.h"
Pawel Zarembski 0:01f31e923fe2 32
Pawel Zarembski 0:01f31e923fe2 33 #ifdef __cplusplus
Pawel Zarembski 0:01f31e923fe2 34 extern "C" {
Pawel Zarembski 0:01f31e923fe2 35 #endif
Pawel Zarembski 0:01f31e923fe2 36
Pawel Zarembski 0:01f31e923fe2 37 #ifndef MSC_DEBUG
Pawel Zarembski 0:01f31e923fe2 38 //#define MSC_DEBUG
Pawel Zarembski 0:01f31e923fe2 39 #endif
Pawel Zarembski 0:01f31e923fe2 40
Pawel Zarembski 0:01f31e923fe2 41 #if defined (MSC_DEBUG)
Pawel Zarembski 0:01f31e923fe2 42
Pawel Zarembski 0:01f31e923fe2 43 static const char error_msg[] = "\r\n<OVERFLOW>\r\n";
Pawel Zarembski 0:01f31e923fe2 44
Pawel Zarembski 0:01f31e923fe2 45 static inline uint32_t daplink_debug(uint8_t *buf, uint32_t size)
Pawel Zarembski 0:01f31e923fe2 46 {
Pawel Zarembski 0:01f31e923fe2 47 uint32_t total_free;
Pawel Zarembski 0:01f31e923fe2 48 uint32_t write_free;
Pawel Zarembski 0:01f31e923fe2 49 uint32_t error_len = strlen(error_msg);
Pawel Zarembski 0:01f31e923fe2 50 total_free = USBD_CDC_ACM_DataFree();
Pawel Zarembski 0:01f31e923fe2 51
Pawel Zarembski 0:01f31e923fe2 52 if (total_free < error_len) {
Pawel Zarembski 0:01f31e923fe2 53 // No space
Pawel Zarembski 0:01f31e923fe2 54 return 0;
Pawel Zarembski 0:01f31e923fe2 55 }
Pawel Zarembski 0:01f31e923fe2 56
Pawel Zarembski 0:01f31e923fe2 57 // Size available for writing
Pawel Zarembski 0:01f31e923fe2 58 write_free = total_free - error_len;
Pawel Zarembski 0:01f31e923fe2 59 size = MIN(write_free, size);
Pawel Zarembski 0:01f31e923fe2 60 USBD_CDC_ACM_DataSend(buf, size);
Pawel Zarembski 0:01f31e923fe2 61
Pawel Zarembski 0:01f31e923fe2 62 if (write_free == size) {
Pawel Zarembski 0:01f31e923fe2 63 USBD_CDC_ACM_DataSend((uint8_t *)error_msg, error_len);
Pawel Zarembski 0:01f31e923fe2 64 }
Pawel Zarembski 0:01f31e923fe2 65
Pawel Zarembski 0:01f31e923fe2 66 return size;
Pawel Zarembski 0:01f31e923fe2 67 }
Pawel Zarembski 0:01f31e923fe2 68
Pawel Zarembski 0:01f31e923fe2 69 static char daplink_debug_buf[128] = {0};
Pawel Zarembski 0:01f31e923fe2 70 static inline uint32_t daplink_debug_print(const char *format, ...)
Pawel Zarembski 0:01f31e923fe2 71 {
Pawel Zarembski 0:01f31e923fe2 72 uint32_t ret;
Pawel Zarembski 0:01f31e923fe2 73 int32_t r = 0;
Pawel Zarembski 0:01f31e923fe2 74 va_list arg;
Pawel Zarembski 0:01f31e923fe2 75 ret = 1;
Pawel Zarembski 0:01f31e923fe2 76 va_start(arg, format);
Pawel Zarembski 0:01f31e923fe2 77 r = vsnprintf(daplink_debug_buf, sizeof(daplink_debug_buf), format, arg);
Pawel Zarembski 0:01f31e923fe2 78
Pawel Zarembski 0:01f31e923fe2 79 if (r >= sizeof(daplink_debug_buf)) {
Pawel Zarembski 0:01f31e923fe2 80 r = snprintf(daplink_debug_buf, sizeof(daplink_debug_buf), "<Error - string length %i exceeds print buffer>\r\n", r);
Pawel Zarembski 0:01f31e923fe2 81 ret = 0;
Pawel Zarembski 0:01f31e923fe2 82 }
Pawel Zarembski 0:01f31e923fe2 83
Pawel Zarembski 0:01f31e923fe2 84 va_end(arg);
Pawel Zarembski 0:01f31e923fe2 85 daplink_debug((uint8_t *)daplink_debug_buf, r);
Pawel Zarembski 0:01f31e923fe2 86 return ret;
Pawel Zarembski 0:01f31e923fe2 87 }
Pawel Zarembski 0:01f31e923fe2 88
Pawel Zarembski 0:01f31e923fe2 89 #else
Pawel Zarembski 0:01f31e923fe2 90
Pawel Zarembski 0:01f31e923fe2 91 static inline uint32_t daplink_debug_print(const char *format, ...)
Pawel Zarembski 0:01f31e923fe2 92 {
Pawel Zarembski 0:01f31e923fe2 93 return 1;
Pawel Zarembski 0:01f31e923fe2 94 }
Pawel Zarembski 0:01f31e923fe2 95
Pawel Zarembski 0:01f31e923fe2 96 static inline uint32_t daplink_debug(uint8_t *data, uint32_t size)
Pawel Zarembski 0:01f31e923fe2 97 {
Pawel Zarembski 0:01f31e923fe2 98 return 1;
Pawel Zarembski 0:01f31e923fe2 99 }
Pawel Zarembski 0:01f31e923fe2 100
Pawel Zarembski 0:01f31e923fe2 101 #endif
Pawel Zarembski 0:01f31e923fe2 102
Pawel Zarembski 0:01f31e923fe2 103 #define debug_msg(fmt, args...) daplink_debug_print(fmt, ## args);
Pawel Zarembski 0:01f31e923fe2 104 #define debug_data(buf, size) daplink_debug(buf, size);
Pawel Zarembski 0:01f31e923fe2 105
Pawel Zarembski 0:01f31e923fe2 106 #ifdef __cplusplus
Pawel Zarembski 0:01f31e923fe2 107 }
Pawel Zarembski 0:01f31e923fe2 108 #endif
Pawel Zarembski 0:01f31e923fe2 109
Pawel Zarembski 0:01f31e923fe2 110 #endif