Kev Mann / mbed-dev-OS5_10_4

RTC auf true

platform/mbed_interface.c@2:7aab896b1a3b, 2019-03-13 (annotated)

Committer:
kevman
Date:
Wed Mar 13 11:03:24 2019 +0000
Revision:
2:7aab896b1a3b
Parent:
0:38ceb79fef03 
2019-03-13

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevman 0:38ceb79fef03 1 /* mbed Microcontroller Library
kevman 0:38ceb79fef03 2 * Copyright (c) 2006-2013 ARM Limited
kevman 0:38ceb79fef03 3 *
kevman 0:38ceb79fef03 4 * Licensed under the Apache License, Version 2.0 (the "License");
kevman 0:38ceb79fef03 5 * you may not use this file except in compliance with the License.
kevman 0:38ceb79fef03 6 * You may obtain a copy of the License at
kevman 0:38ceb79fef03 7 *
kevman 0:38ceb79fef03 8 * http://www.apache.org/licenses/LICENSE-2.0
kevman 0:38ceb79fef03 9 *
kevman 0:38ceb79fef03 10 * Unless required by applicable law or agreed to in writing, software
kevman 0:38ceb79fef03 11 * distributed under the License is distributed on an "AS IS" BASIS,
kevman 0:38ceb79fef03 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kevman 0:38ceb79fef03 13 * See the License for the specific language governing permissions and
kevman 0:38ceb79fef03 14 * limitations under the License.
kevman 0:38ceb79fef03 15 */
kevman 0:38ceb79fef03 16 #include <stdio.h>
kevman 0:38ceb79fef03 17 #include "platform/mbed_interface.h"
kevman 0:38ceb79fef03 18
kevman 0:38ceb79fef03 19 #include "hal/gpio_api.h"
kevman 0:38ceb79fef03 20 #include "platform/mbed_wait_api.h"
kevman 0:38ceb79fef03 21 #include "platform/mbed_semihost_api.h"
kevman 0:38ceb79fef03 22 #include "platform/mbed_error.h"
kevman 0:38ceb79fef03 23 #include "platform/mbed_toolchain.h"
kevman 0:38ceb79fef03 24
kevman 0:38ceb79fef03 25 #if DEVICE_SEMIHOST
kevman 0:38ceb79fef03 26
kevman 0:38ceb79fef03 27 // return true if a debugger is attached, indicating mbed interface is connected
kevman 0:38ceb79fef03 28 int mbed_interface_connected(void)
kevman 0:38ceb79fef03 29 {
kevman 0:38ceb79fef03 30 return semihost_connected();
kevman 0:38ceb79fef03 31 }
kevman 0:38ceb79fef03 32
kevman 0:38ceb79fef03 33 int mbed_interface_reset(void)
kevman 0:38ceb79fef03 34 {
kevman 0:38ceb79fef03 35 if (mbed_interface_connected()) {
kevman 0:38ceb79fef03 36 semihost_reset();
kevman 0:38ceb79fef03 37 return 0;
kevman 0:38ceb79fef03 38 } else {
kevman 0:38ceb79fef03 39 return -1;
kevman 0:38ceb79fef03 40 }
kevman 0:38ceb79fef03 41 }
kevman 0:38ceb79fef03 42
kevman 0:38ceb79fef03 43 WEAK int mbed_interface_uid(char *uid)
kevman 0:38ceb79fef03 44 {
kevman 0:38ceb79fef03 45 if (mbed_interface_connected()) {
kevman 0:38ceb79fef03 46 return semihost_uid(uid); // Returns 0 if successful, -1 on failure
kevman 0:38ceb79fef03 47 } else {
kevman 0:38ceb79fef03 48 uid[0] = 0;
kevman 0:38ceb79fef03 49 return -1;
kevman 0:38ceb79fef03 50 }
kevman 0:38ceb79fef03 51 }
kevman 0:38ceb79fef03 52
kevman 0:38ceb79fef03 53 int mbed_interface_disconnect(void)
kevman 0:38ceb79fef03 54 {
kevman 0:38ceb79fef03 55 int res;
kevman 0:38ceb79fef03 56 if (mbed_interface_connected()) {
kevman 0:38ceb79fef03 57 if ((res = semihost_disabledebug()) != 0) {
kevman 0:38ceb79fef03 58 return res;
kevman 0:38ceb79fef03 59 }
kevman 0:38ceb79fef03 60 while (mbed_interface_connected());
kevman 0:38ceb79fef03 61 return 0;
kevman 0:38ceb79fef03 62 } else {
kevman 0:38ceb79fef03 63 return -1;
kevman 0:38ceb79fef03 64 }
kevman 0:38ceb79fef03 65 }
kevman 0:38ceb79fef03 66
kevman 0:38ceb79fef03 67 int mbed_interface_powerdown(void)
kevman 0:38ceb79fef03 68 {
kevman 0:38ceb79fef03 69 int res;
kevman 0:38ceb79fef03 70 if (mbed_interface_connected()) {
kevman 0:38ceb79fef03 71 if ((res = semihost_powerdown()) != 0) {
kevman 0:38ceb79fef03 72 return res;
kevman 0:38ceb79fef03 73 }
kevman 0:38ceb79fef03 74 while (mbed_interface_connected());
kevman 0:38ceb79fef03 75 return 0;
kevman 0:38ceb79fef03 76 } else {
kevman 0:38ceb79fef03 77 return -1;
kevman 0:38ceb79fef03 78 }
kevman 0:38ceb79fef03 79 }
kevman 0:38ceb79fef03 80
kevman 0:38ceb79fef03 81 MBED_DEPRECATED_SINCE("mbed-os-5.9", "This function shouldn't be used in new code."
kevman 0:38ceb79fef03 82 "For system reset funcionality use system_reset()")
kevman 0:38ceb79fef03 83 void mbed_reset(void)
kevman 0:38ceb79fef03 84 {
kevman 0:38ceb79fef03 85 mbed_interface_reset();
kevman 0:38ceb79fef03 86 }
kevman 0:38ceb79fef03 87
kevman 0:38ceb79fef03 88 WEAK int mbed_uid(char *uid)
kevman 0:38ceb79fef03 89 {
kevman 0:38ceb79fef03 90 return mbed_interface_uid(uid);
kevman 0:38ceb79fef03 91 }
kevman 0:38ceb79fef03 92 #endif
kevman 0:38ceb79fef03 93
kevman 0:38ceb79fef03 94 WEAK void mbed_mac_address(char *mac)
kevman 0:38ceb79fef03 95 {
kevman 0:38ceb79fef03 96 #if DEVICE_SEMIHOST
kevman 0:38ceb79fef03 97 char uid[DEVICE_ID_LENGTH + 1];
kevman 0:38ceb79fef03 98 int i;
kevman 0:38ceb79fef03 99
kevman 0:38ceb79fef03 100 // if we have a UID, extract the MAC
kevman 0:38ceb79fef03 101 if (mbed_interface_uid(uid) == 0) {
kevman 0:38ceb79fef03 102 char *p = uid;
kevman 0:38ceb79fef03 103 #if defined(DEVICE_MAC_OFFSET)
kevman 0:38ceb79fef03 104 p += DEVICE_MAC_OFFSET;
kevman 0:38ceb79fef03 105 #endif
kevman 0:38ceb79fef03 106 for (i = 0; i < 6; i++) {
kevman 0:38ceb79fef03 107 int byte;
kevman 0:38ceb79fef03 108 sscanf(p, "%2x", &byte);
kevman 0:38ceb79fef03 109 mac[i] = byte;
kevman 0:38ceb79fef03 110 p += 2;
kevman 0:38ceb79fef03 111 }
kevman 0:38ceb79fef03 112 mac[0] &= ~0x01; // reset the IG bit in the address; see IEE 802.3-2002, Section 3.2.3(b)
kevman 0:38ceb79fef03 113 } else { // else return a default MAC
kevman 0:38ceb79fef03 114 #endif
kevman 0:38ceb79fef03 115 mac[0] = 0x00;
kevman 0:38ceb79fef03 116 mac[1] = 0x02;
kevman 0:38ceb79fef03 117 mac[2] = 0xF7;
kevman 0:38ceb79fef03 118 mac[3] = 0xF0;
kevman 0:38ceb79fef03 119 mac[4] = 0x00;
kevman 0:38ceb79fef03 120 mac[5] = 0x00;
kevman 0:38ceb79fef03 121 #if DEVICE_SEMIHOST
kevman 0:38ceb79fef03 122 }
kevman 0:38ceb79fef03 123 #endif
kevman 0:38ceb79fef03 124 }