mirror of https://github.com/ARMmbed/mbed-os.git
125 lines
2.9 KiB
C
125 lines
2.9 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include "platform/mbed_interface.h"
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#include "hal/gpio_api.h"
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#include "platform/mbed_wait_api.h"
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#include "platform/mbed_semihost_api.h"
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#include "platform/mbed_error.h"
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#include "platform/mbed_toolchain.h"
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#if DEVICE_SEMIHOST
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// return true if a debugger is attached, indicating mbed interface is connected
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int mbed_interface_connected(void)
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{
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return semihost_connected();
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}
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int mbed_interface_reset(void)
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{
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if (mbed_interface_connected()) {
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semihost_reset();
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return 0;
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} else {
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return -1;
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}
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}
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WEAK int mbed_interface_uid(char *uid)
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{
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if (mbed_interface_connected()) {
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return semihost_uid(uid); // Returns 0 if successful, -1 on failure
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} else {
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uid[0] = 0;
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return -1;
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}
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}
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int mbed_interface_disconnect(void)
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{
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int res;
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if (mbed_interface_connected()) {
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if ((res = semihost_disabledebug()) != 0) {
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return res;
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}
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while (mbed_interface_connected());
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return 0;
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} else {
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return -1;
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}
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}
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int mbed_interface_powerdown(void)
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{
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int res;
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if (mbed_interface_connected()) {
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if ((res = semihost_powerdown()) != 0) {
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return res;
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}
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while (mbed_interface_connected());
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return 0;
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} else {
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return -1;
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}
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}
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MBED_DEPRECATED_SINCE("mbed-os-5.9", "This function shouldn't be used in new code."
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"For system reset funcionality use system_reset()")
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void mbed_reset(void)
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{
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mbed_interface_reset();
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}
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WEAK int mbed_uid(char *uid)
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{
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return mbed_interface_uid(uid);
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}
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#endif
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WEAK void mbed_mac_address(char *mac)
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{
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#if DEVICE_SEMIHOST
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char uid[DEVICE_ID_LENGTH + 1];
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int i;
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// if we have a UID, extract the MAC
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if (mbed_interface_uid(uid) == 0) {
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char *p = uid;
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#if defined(DEVICE_MAC_OFFSET)
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p += DEVICE_MAC_OFFSET;
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#endif
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for (i = 0; i < 6; i++) {
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int byte;
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sscanf(p, "%2x", &byte);
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mac[i] = byte;
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p += 2;
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}
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mac[0] &= ~0x01; // reset the IG bit in the address; see IEE 802.3-2002, Section 3.2.3(b)
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} else { // else return a default MAC
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#endif
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mac[0] = 0x00;
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mac[1] = 0x02;
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mac[2] = 0xF7;
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mac[3] = 0xF0;
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mac[4] = 0x00;
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mac[5] = 0x00;
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#if DEVICE_SEMIHOST
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}
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#endif
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}
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