Maxim nexpaq / nexpaq_dev

Preliminary main mbed library for nexpaq development

hal/common/mbed_interface.c@1:d96dbedaebdb, 2016-11-04 (annotated)

Committer:
nexpaq
Date:
Fri Nov 04 20:54:50 2016 +0000
Revision:
1:d96dbedaebdb
Parent:
0:6c56fb4bc5f0 
Removed extra directories for other platforms

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 0:6c56fb4bc5f0 1 /* mbed Microcontroller Library
nexpaq 0:6c56fb4bc5f0 2 * Copyright (c) 2006-2013 ARM Limited
nexpaq 0:6c56fb4bc5f0 3 *
nexpaq 0:6c56fb4bc5f0 4 * Licensed under the Apache License, Version 2.0 (the "License");
nexpaq 0:6c56fb4bc5f0 5 * you may not use this file except in compliance with the License.
nexpaq 0:6c56fb4bc5f0 6 * You may obtain a copy of the License at
nexpaq 0:6c56fb4bc5f0 7 *
nexpaq 0:6c56fb4bc5f0 8 * http://www.apache.org/licenses/LICENSE-2.0
nexpaq 0:6c56fb4bc5f0 9 *
nexpaq 0:6c56fb4bc5f0 10 * Unless required by applicable law or agreed to in writing, software
nexpaq 0:6c56fb4bc5f0 11 * distributed under the License is distributed on an "AS IS" BASIS,
nexpaq 0:6c56fb4bc5f0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 0:6c56fb4bc5f0 13 * See the License for the specific language governing permissions and
nexpaq 0:6c56fb4bc5f0 14 * limitations under the License.
nexpaq 0:6c56fb4bc5f0 15 */
nexpaq 0:6c56fb4bc5f0 16 #include <stdio.h>
nexpaq 0:6c56fb4bc5f0 17 #include "mbed_interface.h"
nexpaq 0:6c56fb4bc5f0 18
nexpaq 0:6c56fb4bc5f0 19 #include "gpio_api.h"
nexpaq 0:6c56fb4bc5f0 20 #include "wait_api.h"
nexpaq 0:6c56fb4bc5f0 21 #include "semihost_api.h"
nexpaq 0:6c56fb4bc5f0 22 #include "mbed_error.h"
nexpaq 0:6c56fb4bc5f0 23 #include "toolchain.h"
nexpaq 0:6c56fb4bc5f0 24
nexpaq 0:6c56fb4bc5f0 25 #if DEVICE_SEMIHOST
nexpaq 0:6c56fb4bc5f0 26
nexpaq 0:6c56fb4bc5f0 27 // return true if a debugger is attached, indicating mbed interface is connected
nexpaq 0:6c56fb4bc5f0 28 int mbed_interface_connected(void) {
nexpaq 0:6c56fb4bc5f0 29 return semihost_connected();
nexpaq 0:6c56fb4bc5f0 30 }
nexpaq 0:6c56fb4bc5f0 31
nexpaq 0:6c56fb4bc5f0 32 int mbed_interface_reset(void) {
nexpaq 0:6c56fb4bc5f0 33 if (mbed_interface_connected()) {
nexpaq 0:6c56fb4bc5f0 34 semihost_reset();
nexpaq 0:6c56fb4bc5f0 35 return 0;
nexpaq 0:6c56fb4bc5f0 36 } else {
nexpaq 0:6c56fb4bc5f0 37 return -1;
nexpaq 0:6c56fb4bc5f0 38 }
nexpaq 0:6c56fb4bc5f0 39 }
nexpaq 0:6c56fb4bc5f0 40
nexpaq 0:6c56fb4bc5f0 41 WEAK int mbed_interface_uid(char *uid) {
nexpaq 0:6c56fb4bc5f0 42 if (mbed_interface_connected()) {
nexpaq 0:6c56fb4bc5f0 43 return semihost_uid(uid); // Returns 0 if successful, -1 on failure
nexpaq 0:6c56fb4bc5f0 44 } else {
nexpaq 0:6c56fb4bc5f0 45 uid[0] = 0;
nexpaq 0:6c56fb4bc5f0 46 return -1;
nexpaq 0:6c56fb4bc5f0 47 }
nexpaq 0:6c56fb4bc5f0 48 }
nexpaq 0:6c56fb4bc5f0 49
nexpaq 0:6c56fb4bc5f0 50 int mbed_interface_disconnect(void) {
nexpaq 0:6c56fb4bc5f0 51 int res;
nexpaq 0:6c56fb4bc5f0 52 if (mbed_interface_connected()) {
nexpaq 0:6c56fb4bc5f0 53 if ((res = semihost_disabledebug()) != 0)
nexpaq 0:6c56fb4bc5f0 54 return res;
nexpaq 0:6c56fb4bc5f0 55 while (mbed_interface_connected());
nexpaq 0:6c56fb4bc5f0 56 return 0;
nexpaq 0:6c56fb4bc5f0 57 } else {
nexpaq 0:6c56fb4bc5f0 58 return -1;
nexpaq 0:6c56fb4bc5f0 59 }
nexpaq 0:6c56fb4bc5f0 60 }
nexpaq 0:6c56fb4bc5f0 61
nexpaq 0:6c56fb4bc5f0 62 int mbed_interface_powerdown(void) {
nexpaq 0:6c56fb4bc5f0 63 int res;
nexpaq 0:6c56fb4bc5f0 64 if (mbed_interface_connected()) {
nexpaq 0:6c56fb4bc5f0 65 if ((res = semihost_powerdown()) != 0)
nexpaq 0:6c56fb4bc5f0 66 return res;
nexpaq 0:6c56fb4bc5f0 67 while (mbed_interface_connected());
nexpaq 0:6c56fb4bc5f0 68 return 0;
nexpaq 0:6c56fb4bc5f0 69 } else {
nexpaq 0:6c56fb4bc5f0 70 return -1;
nexpaq 0:6c56fb4bc5f0 71 }
nexpaq 0:6c56fb4bc5f0 72 }
nexpaq 0:6c56fb4bc5f0 73
nexpaq 0:6c56fb4bc5f0 74 // for backward compatibility
nexpaq 0:6c56fb4bc5f0 75 void mbed_reset(void) {
nexpaq 0:6c56fb4bc5f0 76 mbed_interface_reset();
nexpaq 0:6c56fb4bc5f0 77 }
nexpaq 0:6c56fb4bc5f0 78
nexpaq 0:6c56fb4bc5f0 79 WEAK int mbed_uid(char *uid) {
nexpaq 0:6c56fb4bc5f0 80 return mbed_interface_uid(uid);
nexpaq 0:6c56fb4bc5f0 81 }
nexpaq 0:6c56fb4bc5f0 82 #endif
nexpaq 0:6c56fb4bc5f0 83
nexpaq 0:6c56fb4bc5f0 84 WEAK void mbed_mac_address(char *mac) {
nexpaq 0:6c56fb4bc5f0 85 #if DEVICE_SEMIHOST
nexpaq 0:6c56fb4bc5f0 86 char uid[DEVICE_ID_LENGTH + 1];
nexpaq 0:6c56fb4bc5f0 87 int i;
nexpaq 0:6c56fb4bc5f0 88
nexpaq 0:6c56fb4bc5f0 89 // if we have a UID, extract the MAC
nexpaq 0:6c56fb4bc5f0 90 if (mbed_interface_uid(uid) == 0) {
nexpaq 0:6c56fb4bc5f0 91 char *p = uid;
nexpaq 0:6c56fb4bc5f0 92 #if defined(DEVICE_MAC_OFFSET)
nexpaq 0:6c56fb4bc5f0 93 p += DEVICE_MAC_OFFSET;
nexpaq 0:6c56fb4bc5f0 94 #endif
nexpaq 0:6c56fb4bc5f0 95 for (i=0; i<6; i++) {
nexpaq 0:6c56fb4bc5f0 96 int byte;
nexpaq 0:6c56fb4bc5f0 97 sscanf(p, "%2x", &byte);
nexpaq 0:6c56fb4bc5f0 98 mac[i] = byte;
nexpaq 0:6c56fb4bc5f0 99 p += 2;
nexpaq 0:6c56fb4bc5f0 100 }
nexpaq 0:6c56fb4bc5f0 101 mac[0] &= ~0x01; // reset the IG bit in the address; see IEE 802.3-2002, Section 3.2.3(b)
nexpaq 0:6c56fb4bc5f0 102 } else { // else return a default MAC
nexpaq 0:6c56fb4bc5f0 103 #endif
nexpaq 0:6c56fb4bc5f0 104 mac[0] = 0x00;
nexpaq 0:6c56fb4bc5f0 105 mac[1] = 0x02;
nexpaq 0:6c56fb4bc5f0 106 mac[2] = 0xF7;
nexpaq 0:6c56fb4bc5f0 107 mac[3] = 0xF0;
nexpaq 0:6c56fb4bc5f0 108 mac[4] = 0x00;
nexpaq 0:6c56fb4bc5f0 109 mac[5] = 0x00;
nexpaq 0:6c56fb4bc5f0 110 #if DEVICE_SEMIHOST
nexpaq 0:6c56fb4bc5f0 111 }
nexpaq 0:6c56fb4bc5f0 112 #endif
nexpaq 0:6c56fb4bc5f0 113 }