Tim Barry / mbed_blinky_offset

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mbed-src/capi/mbed_interface.c@0:2173789ea697, 2014-10-04 (annotated)

Committer:
timbobazza
Date:
Sat Oct 04 09:07:08 2014 +0000
Revision:
0:2173789ea697
First version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
timbobazza 0:2173789ea697 1 /* mbed Microcontroller Library
timbobazza 0:2173789ea697 2 * Copyright (c) 2006-2013 ARM Limited
timbobazza 0:2173789ea697 3 *
timbobazza 0:2173789ea697 4 * Licensed under the Apache License, Version 2.0 (the "License");
timbobazza 0:2173789ea697 5 * you may not use this file except in compliance with the License.
timbobazza 0:2173789ea697 6 * You may obtain a copy of the License at
timbobazza 0:2173789ea697 7 *
timbobazza 0:2173789ea697 8 * http://www.apache.org/licenses/LICENSE-2.0
timbobazza 0:2173789ea697 9 *
timbobazza 0:2173789ea697 10 * Unless required by applicable law or agreed to in writing, software
timbobazza 0:2173789ea697 11 * distributed under the License is distributed on an "AS IS" BASIS,
timbobazza 0:2173789ea697 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
timbobazza 0:2173789ea697 13 * See the License for the specific language governing permissions and
timbobazza 0:2173789ea697 14 * limitations under the License.
timbobazza 0:2173789ea697 15 */
timbobazza 0:2173789ea697 16 #include <stdio.h>
timbobazza 0:2173789ea697 17 #include "mbed_interface.h"
timbobazza 0:2173789ea697 18
timbobazza 0:2173789ea697 19 #include "gpio_api.h"
timbobazza 0:2173789ea697 20 #include "wait_api.h"
timbobazza 0:2173789ea697 21 #include "semihost_api.h"
timbobazza 0:2173789ea697 22 #include "error.h"
timbobazza 0:2173789ea697 23 #include "toolchain.h"
timbobazza 0:2173789ea697 24
timbobazza 0:2173789ea697 25 #if DEVICE_SEMIHOST
timbobazza 0:2173789ea697 26
timbobazza 0:2173789ea697 27 // return true if a debugger is attached, indicating mbed interface is connected
timbobazza 0:2173789ea697 28 int mbed_interface_connected(void) {
timbobazza 0:2173789ea697 29 return semihost_connected();
timbobazza 0:2173789ea697 30 }
timbobazza 0:2173789ea697 31
timbobazza 0:2173789ea697 32 int mbed_interface_reset(void) {
timbobazza 0:2173789ea697 33 if (mbed_interface_connected()) {
timbobazza 0:2173789ea697 34 semihost_reset();
timbobazza 0:2173789ea697 35 return 0;
timbobazza 0:2173789ea697 36 } else {
timbobazza 0:2173789ea697 37 return -1;
timbobazza 0:2173789ea697 38 }
timbobazza 0:2173789ea697 39 }
timbobazza 0:2173789ea697 40
timbobazza 0:2173789ea697 41 WEAK int mbed_interface_uid(char *uid);
timbobazza 0:2173789ea697 42 WEAK int mbed_interface_uid(char *uid) {
timbobazza 0:2173789ea697 43 if (mbed_interface_connected()) {
timbobazza 0:2173789ea697 44 return semihost_uid(uid); // Returns 0 if successful, -1 on failure
timbobazza 0:2173789ea697 45 } else {
timbobazza 0:2173789ea697 46 uid[0] = 0;
timbobazza 0:2173789ea697 47 return -1;
timbobazza 0:2173789ea697 48 }
timbobazza 0:2173789ea697 49 }
timbobazza 0:2173789ea697 50
timbobazza 0:2173789ea697 51 int mbed_interface_disconnect(void) {
timbobazza 0:2173789ea697 52 if (mbed_interface_connected()) {
timbobazza 0:2173789ea697 53 return semihost_disabledebug();
timbobazza 0:2173789ea697 54 } else {
timbobazza 0:2173789ea697 55 return -1;
timbobazza 0:2173789ea697 56 }
timbobazza 0:2173789ea697 57 }
timbobazza 0:2173789ea697 58
timbobazza 0:2173789ea697 59 int mbed_interface_powerdown(void) {
timbobazza 0:2173789ea697 60 if (mbed_interface_connected()) {
timbobazza 0:2173789ea697 61 return semihost_powerdown();
timbobazza 0:2173789ea697 62 } else {
timbobazza 0:2173789ea697 63 return -1;
timbobazza 0:2173789ea697 64 }
timbobazza 0:2173789ea697 65 }
timbobazza 0:2173789ea697 66
timbobazza 0:2173789ea697 67 // for backward compatibility
timbobazza 0:2173789ea697 68 void mbed_reset(void) {
timbobazza 0:2173789ea697 69 mbed_interface_reset();
timbobazza 0:2173789ea697 70 }
timbobazza 0:2173789ea697 71
timbobazza 0:2173789ea697 72 WEAK int mbed_uid(char *uid);
timbobazza 0:2173789ea697 73 WEAK int mbed_uid(char *uid) {
timbobazza 0:2173789ea697 74 return mbed_interface_uid(uid);
timbobazza 0:2173789ea697 75 }
timbobazza 0:2173789ea697 76 #endif
timbobazza 0:2173789ea697 77
timbobazza 0:2173789ea697 78 WEAK void mbed_mac_address(char *mac);
timbobazza 0:2173789ea697 79 WEAK void mbed_mac_address(char *mac) {
timbobazza 0:2173789ea697 80 #if DEVICE_SEMIHOST
timbobazza 0:2173789ea697 81 char uid[DEVICE_ID_LENGTH + 1];
timbobazza 0:2173789ea697 82 int i;
timbobazza 0:2173789ea697 83
timbobazza 0:2173789ea697 84 // if we have a UID, extract the MAC
timbobazza 0:2173789ea697 85 if (mbed_interface_uid(uid) == 0) {
timbobazza 0:2173789ea697 86 char *p = uid;
timbobazza 0:2173789ea697 87 #if defined(DEVICE_MAC_OFFSET)
timbobazza 0:2173789ea697 88 p += DEVICE_MAC_OFFSET;
timbobazza 0:2173789ea697 89 #endif
timbobazza 0:2173789ea697 90 for (i=0; i<6; i++) {
timbobazza 0:2173789ea697 91 int byte;
timbobazza 0:2173789ea697 92 sscanf(p, "%2x", &byte);
timbobazza 0:2173789ea697 93 mac[i] = byte;
timbobazza 0:2173789ea697 94 p += 2;
timbobazza 0:2173789ea697 95 }
timbobazza 0:2173789ea697 96 } else { // else return a default MAC
timbobazza 0:2173789ea697 97 #endif
timbobazza 0:2173789ea697 98 mac[0] = 0x00;
timbobazza 0:2173789ea697 99 mac[1] = 0x02;
timbobazza 0:2173789ea697 100 mac[2] = 0xF7;
timbobazza 0:2173789ea697 101 mac[3] = 0xF0;
timbobazza 0:2173789ea697 102 mac[4] = 0x00;
timbobazza 0:2173789ea697 103 mac[5] = 0x00;
timbobazza 0:2173789ea697 104 #if DEVICE_SEMIHOST
timbobazza 0:2173789ea697 105 }
timbobazza 0:2173789ea697 106 #endif
timbobazza 0:2173789ea697 107 }