Ermanno Brusadin / mbed

mbed library sources

Dependents:   FRDM-KL46Z_LCD_Test FRDM-KL46Z_LCD_Test FRDM-KL46Z_Plantilla FRDM-KL46Z_Plantilla ... more

common/mbed_interface.c@0:6bc4ac881c8e, 2016-07-28 (annotated)

Committer:
ebrus
Date:
Thu Jul 28 15:56:34 2016 +0000
Revision:
0:6bc4ac881c8e
1;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ebrus 0:6bc4ac881c8e 1 /* mbed Microcontroller Library
ebrus 0:6bc4ac881c8e 2 * Copyright (c) 2006-2013 ARM Limited
ebrus 0:6bc4ac881c8e 3 *
ebrus 0:6bc4ac881c8e 4 * Licensed under the Apache License, Version 2.0 (the "License");
ebrus 0:6bc4ac881c8e 5 * you may not use this file except in compliance with the License.
ebrus 0:6bc4ac881c8e 6 * You may obtain a copy of the License at
ebrus 0:6bc4ac881c8e 7 *
ebrus 0:6bc4ac881c8e 8 * http://www.apache.org/licenses/LICENSE-2.0
ebrus 0:6bc4ac881c8e 9 *
ebrus 0:6bc4ac881c8e 10 * Unless required by applicable law or agreed to in writing, software
ebrus 0:6bc4ac881c8e 11 * distributed under the License is distributed on an "AS IS" BASIS,
ebrus 0:6bc4ac881c8e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ebrus 0:6bc4ac881c8e 13 * See the License for the specific language governing permissions and
ebrus 0:6bc4ac881c8e 14 * limitations under the License.
ebrus 0:6bc4ac881c8e 15 */
ebrus 0:6bc4ac881c8e 16 #include <stdio.h>
ebrus 0:6bc4ac881c8e 17 #include "mbed_interface.h"
ebrus 0:6bc4ac881c8e 18
ebrus 0:6bc4ac881c8e 19 #include "gpio_api.h"
ebrus 0:6bc4ac881c8e 20 #include "wait_api.h"
ebrus 0:6bc4ac881c8e 21 #include "semihost_api.h"
ebrus 0:6bc4ac881c8e 22 #include "mbed_error.h"
ebrus 0:6bc4ac881c8e 23 #include "toolchain.h"
ebrus 0:6bc4ac881c8e 24
ebrus 0:6bc4ac881c8e 25 #if DEVICE_SEMIHOST
ebrus 0:6bc4ac881c8e 26
ebrus 0:6bc4ac881c8e 27 // return true if a debugger is attached, indicating mbed interface is connected
ebrus 0:6bc4ac881c8e 28 int mbed_interface_connected(void) {
ebrus 0:6bc4ac881c8e 29 return semihost_connected();
ebrus 0:6bc4ac881c8e 30 }
ebrus 0:6bc4ac881c8e 31
ebrus 0:6bc4ac881c8e 32 int mbed_interface_reset(void) {
ebrus 0:6bc4ac881c8e 33 if (mbed_interface_connected()) {
ebrus 0:6bc4ac881c8e 34 semihost_reset();
ebrus 0:6bc4ac881c8e 35 return 0;
ebrus 0:6bc4ac881c8e 36 } else {
ebrus 0:6bc4ac881c8e 37 return -1;
ebrus 0:6bc4ac881c8e 38 }
ebrus 0:6bc4ac881c8e 39 }
ebrus 0:6bc4ac881c8e 40
ebrus 0:6bc4ac881c8e 41 WEAK int mbed_interface_uid(char *uid) {
ebrus 0:6bc4ac881c8e 42 if (mbed_interface_connected()) {
ebrus 0:6bc4ac881c8e 43 return semihost_uid(uid); // Returns 0 if successful, -1 on failure
ebrus 0:6bc4ac881c8e 44 } else {
ebrus 0:6bc4ac881c8e 45 uid[0] = 0;
ebrus 0:6bc4ac881c8e 46 return -1;
ebrus 0:6bc4ac881c8e 47 }
ebrus 0:6bc4ac881c8e 48 }
ebrus 0:6bc4ac881c8e 49
ebrus 0:6bc4ac881c8e 50 int mbed_interface_disconnect(void) {
ebrus 0:6bc4ac881c8e 51 int res;
ebrus 0:6bc4ac881c8e 52 if (mbed_interface_connected()) {
ebrus 0:6bc4ac881c8e 53 if ((res = semihost_disabledebug()) != 0)
ebrus 0:6bc4ac881c8e 54 return res;
ebrus 0:6bc4ac881c8e 55 while (mbed_interface_connected());
ebrus 0:6bc4ac881c8e 56 return 0;
ebrus 0:6bc4ac881c8e 57 } else {
ebrus 0:6bc4ac881c8e 58 return -1;
ebrus 0:6bc4ac881c8e 59 }
ebrus 0:6bc4ac881c8e 60 }
ebrus 0:6bc4ac881c8e 61
ebrus 0:6bc4ac881c8e 62 int mbed_interface_powerdown(void) {
ebrus 0:6bc4ac881c8e 63 int res;
ebrus 0:6bc4ac881c8e 64 if (mbed_interface_connected()) {
ebrus 0:6bc4ac881c8e 65 if ((res = semihost_powerdown()) != 0)
ebrus 0:6bc4ac881c8e 66 return res;
ebrus 0:6bc4ac881c8e 67 while (mbed_interface_connected());
ebrus 0:6bc4ac881c8e 68 return 0;
ebrus 0:6bc4ac881c8e 69 } else {
ebrus 0:6bc4ac881c8e 70 return -1;
ebrus 0:6bc4ac881c8e 71 }
ebrus 0:6bc4ac881c8e 72 }
ebrus 0:6bc4ac881c8e 73
ebrus 0:6bc4ac881c8e 74 // for backward compatibility
ebrus 0:6bc4ac881c8e 75 void mbed_reset(void) {
ebrus 0:6bc4ac881c8e 76 mbed_interface_reset();
ebrus 0:6bc4ac881c8e 77 }
ebrus 0:6bc4ac881c8e 78
ebrus 0:6bc4ac881c8e 79 WEAK int mbed_uid(char *uid) {
ebrus 0:6bc4ac881c8e 80 return mbed_interface_uid(uid);
ebrus 0:6bc4ac881c8e 81 }
ebrus 0:6bc4ac881c8e 82 #endif
ebrus 0:6bc4ac881c8e 83
ebrus 0:6bc4ac881c8e 84 WEAK void mbed_mac_address(char *mac) {
ebrus 0:6bc4ac881c8e 85 #if DEVICE_SEMIHOST
ebrus 0:6bc4ac881c8e 86 char uid[DEVICE_ID_LENGTH + 1];
ebrus 0:6bc4ac881c8e 87 int i;
ebrus 0:6bc4ac881c8e 88
ebrus 0:6bc4ac881c8e 89 // if we have a UID, extract the MAC
ebrus 0:6bc4ac881c8e 90 if (mbed_interface_uid(uid) == 0) {
ebrus 0:6bc4ac881c8e 91 char *p = uid;
ebrus 0:6bc4ac881c8e 92 #if defined(DEVICE_MAC_OFFSET)
ebrus 0:6bc4ac881c8e 93 p += DEVICE_MAC_OFFSET;
ebrus 0:6bc4ac881c8e 94 #endif
ebrus 0:6bc4ac881c8e 95 for (i=0; i<6; i++) {
ebrus 0:6bc4ac881c8e 96 int byte;
ebrus 0:6bc4ac881c8e 97 sscanf(p, "%2x", &byte);
ebrus 0:6bc4ac881c8e 98 mac[i] = byte;
ebrus 0:6bc4ac881c8e 99 p += 2;
ebrus 0:6bc4ac881c8e 100 }
ebrus 0:6bc4ac881c8e 101 } else { // else return a default MAC
ebrus 0:6bc4ac881c8e 102 #endif
ebrus 0:6bc4ac881c8e 103 mac[0] = 0x00;
ebrus 0:6bc4ac881c8e 104 mac[1] = 0x02;
ebrus 0:6bc4ac881c8e 105 mac[2] = 0xF7;
ebrus 0:6bc4ac881c8e 106 mac[3] = 0xF0;
ebrus 0:6bc4ac881c8e 107 mac[4] = 0x00;
ebrus 0:6bc4ac881c8e 108 mac[5] = 0x00;
ebrus 0:6bc4ac881c8e 109 #if DEVICE_SEMIHOST
ebrus 0:6bc4ac881c8e 110 }
ebrus 0:6bc4ac881c8e 111 #endif
ebrus 0:6bc4ac881c8e 112 }