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mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

common/mbed_interface.c@10:3bc89ef62ce7, 2013-06-14 (annotated)

Committer:
emilmont
Date:
Fri Jun 14 17:49:17 2013 +0100
Revision:
10:3bc89ef62ce7
Parent:
9:0ce32e54c9a7
Child:
13:0645d8841f51
Unify mbed library sources

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 10:3bc89ef62ce7 1 /* mbed Microcontroller Library
emilmont 10:3bc89ef62ce7 2 * Copyright (c) 2006-2013 ARM Limited
emilmont 10:3bc89ef62ce7 3 *
emilmont 10:3bc89ef62ce7 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 10:3bc89ef62ce7 5 * you may not use this file except in compliance with the License.
emilmont 10:3bc89ef62ce7 6 * You may obtain a copy of the License at
emilmont 10:3bc89ef62ce7 7 *
emilmont 10:3bc89ef62ce7 8 * http://www.apache.org/licenses/LICENSE-2.0
emilmont 10:3bc89ef62ce7 9 *
emilmont 10:3bc89ef62ce7 10 * Unless required by applicable law or agreed to in writing, software
emilmont 10:3bc89ef62ce7 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 10:3bc89ef62ce7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 10:3bc89ef62ce7 13 * See the License for the specific language governing permissions and
emilmont 10:3bc89ef62ce7 14 * limitations under the License.
emilmont 10:3bc89ef62ce7 15 */
emilmont 10:3bc89ef62ce7 16 #include <stdio.h>
emilmont 10:3bc89ef62ce7 17 #include "mbed_interface.h"
emilmont 10:3bc89ef62ce7 18
emilmont 10:3bc89ef62ce7 19 #include "gpio_api.h"
emilmont 10:3bc89ef62ce7 20 #include "wait_api.h"
emilmont 10:3bc89ef62ce7 21 #include "semihost_api.h"
emilmont 10:3bc89ef62ce7 22 #include "error.h"
emilmont 10:3bc89ef62ce7 23 #include "toolchain.h"
emilmont 10:3bc89ef62ce7 24
emilmont 10:3bc89ef62ce7 25 #if DEVICE_SEMIHOST
emilmont 10:3bc89ef62ce7 26
emilmont 10:3bc89ef62ce7 27 // return true if a debugger is attached, indicating mbed interface is connected
emilmont 10:3bc89ef62ce7 28 int mbed_interface_connected(void) {
emilmont 10:3bc89ef62ce7 29 return semihost_connected();
emilmont 10:3bc89ef62ce7 30 }
emilmont 10:3bc89ef62ce7 31
emilmont 10:3bc89ef62ce7 32 int mbed_interface_reset(void) {
emilmont 10:3bc89ef62ce7 33 if (mbed_interface_connected()) {
emilmont 10:3bc89ef62ce7 34 semihost_reset();
emilmont 10:3bc89ef62ce7 35 return 0;
emilmont 10:3bc89ef62ce7 36 } else {
emilmont 10:3bc89ef62ce7 37 return -1;
emilmont 10:3bc89ef62ce7 38 }
emilmont 10:3bc89ef62ce7 39 }
emilmont 10:3bc89ef62ce7 40
emilmont 10:3bc89ef62ce7 41 WEAK int mbed_interface_uid(char *uid);
emilmont 10:3bc89ef62ce7 42 WEAK int mbed_interface_uid(char *uid) {
emilmont 10:3bc89ef62ce7 43 if (mbed_interface_connected()) {
emilmont 10:3bc89ef62ce7 44 return semihost_uid(uid); // Returns 0 if successful, -1 on failure
emilmont 10:3bc89ef62ce7 45 } else {
emilmont 10:3bc89ef62ce7 46 uid[0] = 0;
emilmont 10:3bc89ef62ce7 47 return -1;
emilmont 10:3bc89ef62ce7 48 }
emilmont 10:3bc89ef62ce7 49 }
emilmont 10:3bc89ef62ce7 50
emilmont 10:3bc89ef62ce7 51 int mbed_interface_disconnect(void) {
emilmont 10:3bc89ef62ce7 52 if (mbed_interface_connected()) {
emilmont 10:3bc89ef62ce7 53 return semihost_disabledebug();
emilmont 10:3bc89ef62ce7 54 } else {
emilmont 10:3bc89ef62ce7 55 return -1;
emilmont 10:3bc89ef62ce7 56 }
emilmont 10:3bc89ef62ce7 57 }
emilmont 10:3bc89ef62ce7 58
emilmont 10:3bc89ef62ce7 59 int mbed_interface_powerdown(void) {
emilmont 10:3bc89ef62ce7 60 if (mbed_interface_connected()) {
emilmont 10:3bc89ef62ce7 61 return semihost_powerdown();
emilmont 10:3bc89ef62ce7 62 } else {
emilmont 10:3bc89ef62ce7 63 return -1;
emilmont 10:3bc89ef62ce7 64 }
emilmont 10:3bc89ef62ce7 65 }
emilmont 10:3bc89ef62ce7 66
emilmont 10:3bc89ef62ce7 67 // for backward compatibility
emilmont 10:3bc89ef62ce7 68 void mbed_reset(void) {
emilmont 10:3bc89ef62ce7 69 mbed_interface_reset();
emilmont 10:3bc89ef62ce7 70 }
emilmont 10:3bc89ef62ce7 71
emilmont 10:3bc89ef62ce7 72 WEAK int mbed_uid(char *uid);
emilmont 10:3bc89ef62ce7 73 WEAK int mbed_uid(char *uid) {
emilmont 10:3bc89ef62ce7 74 return mbed_interface_uid(uid);
emilmont 10:3bc89ef62ce7 75 }
emilmont 10:3bc89ef62ce7 76 #endif
emilmont 10:3bc89ef62ce7 77
emilmont 10:3bc89ef62ce7 78 WEAK void mbed_mac_address(char *mac);
emilmont 10:3bc89ef62ce7 79 WEAK void mbed_mac_address(char *mac) {
emilmont 10:3bc89ef62ce7 80 #if DEVICE_SEMIHOST
emilmont 10:3bc89ef62ce7 81 char uid[DEVICE_ID_LENGTH + 1];
emilmont 10:3bc89ef62ce7 82 int i;
emilmont 10:3bc89ef62ce7 83
emilmont 10:3bc89ef62ce7 84 // if we have a UID, extract the MAC
emilmont 10:3bc89ef62ce7 85 if (mbed_interface_uid(uid) == 0) {
emilmont 10:3bc89ef62ce7 86 char *p = uid;
emilmont 10:3bc89ef62ce7 87 #if defined(DEVICE_MAC_OFFSET)
emilmont 10:3bc89ef62ce7 88 p += DEVICE_MAC_OFFSET;
emilmont 10:3bc89ef62ce7 89 #endif
emilmont 10:3bc89ef62ce7 90 for (i=0; i<6; i++) {
emilmont 10:3bc89ef62ce7 91 int byte;
emilmont 10:3bc89ef62ce7 92 sscanf(p, "%2x", &byte);
emilmont 10:3bc89ef62ce7 93 mac[i] = byte;
emilmont 10:3bc89ef62ce7 94 p += 2;
emilmont 10:3bc89ef62ce7 95 }
emilmont 10:3bc89ef62ce7 96 } else { // else return a default MAC
emilmont 10:3bc89ef62ce7 97 #endif
emilmont 10:3bc89ef62ce7 98 mac[0] = 0x00;
emilmont 10:3bc89ef62ce7 99 mac[1] = 0x02;
emilmont 10:3bc89ef62ce7 100 mac[2] = 0xF7;
emilmont 10:3bc89ef62ce7 101 mac[3] = 0xF0;
emilmont 10:3bc89ef62ce7 102 mac[4] = 0x00;
emilmont 10:3bc89ef62ce7 103 mac[5] = 0x00;
emilmont 10:3bc89ef62ce7 104 #if DEVICE_SEMIHOST
emilmont 10:3bc89ef62ce7 105 }
emilmont 10:3bc89ef62ce7 106 #endif
emilmont 10:3bc89ef62ce7 107 }