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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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

Import librarymbed

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

capi/mbed_interface.c@0:fd0d7bdfcdc2, 2012-11-20 (annotated)

Committer:
mbed_official
Date:
Tue Nov 20 17:24:08 2012 +0000
Revision:
0:fd0d7bdfcdc2
Child:
2:143cac498751
mbed sources

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:fd0d7bdfcdc2 1 /* mbed Microcontroller Library
mbed_official 0:fd0d7bdfcdc2 2 * Copyright (c) 2006-2012 ARM Limited
mbed_official 0:fd0d7bdfcdc2 3 *
mbed_official 0:fd0d7bdfcdc2 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
mbed_official 0:fd0d7bdfcdc2 5 * of this software and associated documentation files (the "Software"), to deal
mbed_official 0:fd0d7bdfcdc2 6 * in the Software without restriction, including without limitation the rights
mbed_official 0:fd0d7bdfcdc2 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mbed_official 0:fd0d7bdfcdc2 8 * copies of the Software, and to permit persons to whom the Software is
mbed_official 0:fd0d7bdfcdc2 9 * furnished to do so, subject to the following conditions:
mbed_official 0:fd0d7bdfcdc2 10 *
mbed_official 0:fd0d7bdfcdc2 11 * The above copyright notice and this permission notice shall be included in
mbed_official 0:fd0d7bdfcdc2 12 * all copies or substantial portions of the Software.
mbed_official 0:fd0d7bdfcdc2 13 *
mbed_official 0:fd0d7bdfcdc2 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mbed_official 0:fd0d7bdfcdc2 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mbed_official 0:fd0d7bdfcdc2 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mbed_official 0:fd0d7bdfcdc2 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mbed_official 0:fd0d7bdfcdc2 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mbed_official 0:fd0d7bdfcdc2 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
mbed_official 0:fd0d7bdfcdc2 20 * SOFTWARE.
mbed_official 0:fd0d7bdfcdc2 21 */
mbed_official 0:fd0d7bdfcdc2 22 #include <stdio.h>
mbed_official 0:fd0d7bdfcdc2 23 #include "mbed_interface.h"
mbed_official 0:fd0d7bdfcdc2 24
mbed_official 0:fd0d7bdfcdc2 25 #include "gpio_api.h"
mbed_official 0:fd0d7bdfcdc2 26 #include "wait_api.h"
mbed_official 0:fd0d7bdfcdc2 27 #include "semihost_api.h"
mbed_official 0:fd0d7bdfcdc2 28 #include "error.h"
mbed_official 0:fd0d7bdfcdc2 29
mbed_official 0:fd0d7bdfcdc2 30 // return true if a debugger is attached, indicating mbed interface is connected
mbed_official 0:fd0d7bdfcdc2 31 int mbed_interface_connected(void) {
mbed_official 0:fd0d7bdfcdc2 32 return semihost_connected();
mbed_official 0:fd0d7bdfcdc2 33 }
mbed_official 0:fd0d7bdfcdc2 34
mbed_official 0:fd0d7bdfcdc2 35 int mbed_interface_reset(void) {
mbed_official 0:fd0d7bdfcdc2 36 if (mbed_interface_connected()) {
mbed_official 0:fd0d7bdfcdc2 37 semihost_reset();
mbed_official 0:fd0d7bdfcdc2 38 return 0;
mbed_official 0:fd0d7bdfcdc2 39 } else {
mbed_official 0:fd0d7bdfcdc2 40 return -1;
mbed_official 0:fd0d7bdfcdc2 41 }
mbed_official 0:fd0d7bdfcdc2 42 }
mbed_official 0:fd0d7bdfcdc2 43
mbed_official 0:fd0d7bdfcdc2 44 int mbed_interface_uid(char *uid) __attribute__((weak));
mbed_official 0:fd0d7bdfcdc2 45 int mbed_interface_uid(char *uid) {
mbed_official 0:fd0d7bdfcdc2 46 if (mbed_interface_connected()) {
mbed_official 0:fd0d7bdfcdc2 47 return semihost_uid(uid); // Returns 0 if successful, -1 on failure
mbed_official 0:fd0d7bdfcdc2 48 } else {
mbed_official 0:fd0d7bdfcdc2 49 uid[0] = 0;
mbed_official 0:fd0d7bdfcdc2 50 return -1;
mbed_official 0:fd0d7bdfcdc2 51 }
mbed_official 0:fd0d7bdfcdc2 52 }
mbed_official 0:fd0d7bdfcdc2 53
mbed_official 0:fd0d7bdfcdc2 54 int mbed_interface_disconnect(void) {
mbed_official 0:fd0d7bdfcdc2 55 if (mbed_interface_connected()) {
mbed_official 0:fd0d7bdfcdc2 56 return semihost_disabledebug();
mbed_official 0:fd0d7bdfcdc2 57 } else {
mbed_official 0:fd0d7bdfcdc2 58 return -1;
mbed_official 0:fd0d7bdfcdc2 59 }
mbed_official 0:fd0d7bdfcdc2 60 }
mbed_official 0:fd0d7bdfcdc2 61
mbed_official 0:fd0d7bdfcdc2 62 int mbed_interface_powerdown(void) {
mbed_official 0:fd0d7bdfcdc2 63 mbed_interface_disconnect();
mbed_official 0:fd0d7bdfcdc2 64 if (mbed_interface_connected()) {
mbed_official 0:fd0d7bdfcdc2 65 return semihost_powerdown();
mbed_official 0:fd0d7bdfcdc2 66 } else {
mbed_official 0:fd0d7bdfcdc2 67 return -1;
mbed_official 0:fd0d7bdfcdc2 68 }
mbed_official 0:fd0d7bdfcdc2 69 }
mbed_official 0:fd0d7bdfcdc2 70
mbed_official 0:fd0d7bdfcdc2 71 void mbed_mac_address(char *mac) __attribute__((weak));
mbed_official 0:fd0d7bdfcdc2 72 void mbed_mac_address(char *mac) {
mbed_official 0:fd0d7bdfcdc2 73 char uid[33];
mbed_official 0:fd0d7bdfcdc2 74 int i;
mbed_official 0:fd0d7bdfcdc2 75
mbed_official 0:fd0d7bdfcdc2 76 // if we have a UID, extract the MAC
mbed_official 0:fd0d7bdfcdc2 77 if (mbed_interface_uid(uid) == 0) {
mbed_official 0:fd0d7bdfcdc2 78 char *p = uid + 20;
mbed_official 0:fd0d7bdfcdc2 79 for (i=0; i<6; i++) {
mbed_official 0:fd0d7bdfcdc2 80 int byte;
mbed_official 0:fd0d7bdfcdc2 81 sscanf(p, "%2x", &byte);
mbed_official 0:fd0d7bdfcdc2 82 mac[i] = byte;
mbed_official 0:fd0d7bdfcdc2 83 p += 2;
mbed_official 0:fd0d7bdfcdc2 84 }
mbed_official 0:fd0d7bdfcdc2 85 } else { // else return a default MAC
mbed_official 0:fd0d7bdfcdc2 86 mac[0] = 0x00;
mbed_official 0:fd0d7bdfcdc2 87 mac[1] = 0x02;
mbed_official 0:fd0d7bdfcdc2 88 mac[2] = 0xF7;
mbed_official 0:fd0d7bdfcdc2 89 mac[3] = 0xF0;
mbed_official 0:fd0d7bdfcdc2 90 mac[4] = 0x00;
mbed_official 0:fd0d7bdfcdc2 91 mac[5] = 0x00;
mbed_official 0:fd0d7bdfcdc2 92 }
mbed_official 0:fd0d7bdfcdc2 93 }
mbed_official 0:fd0d7bdfcdc2 94
mbed_official 0:fd0d7bdfcdc2 95 // for backward compatibility
mbed_official 0:fd0d7bdfcdc2 96 void mbed_reset(void) {
mbed_official 0:fd0d7bdfcdc2 97 mbed_interface_reset();
mbed_official 0:fd0d7bdfcdc2 98 }
mbed_official 0:fd0d7bdfcdc2 99
mbed_official 0:fd0d7bdfcdc2 100 int mbed_uid(char *uid) __attribute__((weak));
mbed_official 0:fd0d7bdfcdc2 101 int mbed_uid(char *uid) {
mbed_official 0:fd0d7bdfcdc2 102 return mbed_interface_uid(uid);
mbed_official 0:fd0d7bdfcdc2 103 }