PHung Tung / WAV2

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Dependencies:   F746_GUI SD_PlayerSkeleton F746_SAI_IO

mbed_src_STM32F7/common/mbed_interface.c@0:aa3fc5ad02f7, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 09:08:29 2019 +0000
Revision:
0:aa3fc5ad02f7
SPKT

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phungductung 0:aa3fc5ad02f7 1 /* mbed Microcontroller Library
phungductung 0:aa3fc5ad02f7 2 * Copyright (c) 2006-2013 ARM Limited
phungductung 0:aa3fc5ad02f7 3 *
phungductung 0:aa3fc5ad02f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
phungductung 0:aa3fc5ad02f7 5 * you may not use this file except in compliance with the License.
phungductung 0:aa3fc5ad02f7 6 * You may obtain a copy of the License at
phungductung 0:aa3fc5ad02f7 7 *
phungductung 0:aa3fc5ad02f7 8 * http://www.apache.org/licenses/LICENSE-2.0
phungductung 0:aa3fc5ad02f7 9 *
phungductung 0:aa3fc5ad02f7 10 * Unless required by applicable law or agreed to in writing, software
phungductung 0:aa3fc5ad02f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
phungductung 0:aa3fc5ad02f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
phungductung 0:aa3fc5ad02f7 13 * See the License for the specific language governing permissions and
phungductung 0:aa3fc5ad02f7 14 * limitations under the License.
phungductung 0:aa3fc5ad02f7 15 */
phungductung 0:aa3fc5ad02f7 16 #include <stdio.h>
phungductung 0:aa3fc5ad02f7 17 #include "mbed_interface.h"
phungductung 0:aa3fc5ad02f7 18
phungductung 0:aa3fc5ad02f7 19 #include "gpio_api.h"
phungductung 0:aa3fc5ad02f7 20 #include "wait_api.h"
phungductung 0:aa3fc5ad02f7 21 #include "semihost_api.h"
phungductung 0:aa3fc5ad02f7 22 #include "mbed_error.h"
phungductung 0:aa3fc5ad02f7 23 #include "toolchain.h"
phungductung 0:aa3fc5ad02f7 24
phungductung 0:aa3fc5ad02f7 25 #if DEVICE_SEMIHOST
phungductung 0:aa3fc5ad02f7 26
phungductung 0:aa3fc5ad02f7 27 // return true if a debugger is attached, indicating mbed interface is connected
phungductung 0:aa3fc5ad02f7 28 int mbed_interface_connected(void) {
phungductung 0:aa3fc5ad02f7 29 return semihost_connected();
phungductung 0:aa3fc5ad02f7 30 }
phungductung 0:aa3fc5ad02f7 31
phungductung 0:aa3fc5ad02f7 32 int mbed_interface_reset(void) {
phungductung 0:aa3fc5ad02f7 33 if (mbed_interface_connected()) {
phungductung 0:aa3fc5ad02f7 34 semihost_reset();
phungductung 0:aa3fc5ad02f7 35 return 0;
phungductung 0:aa3fc5ad02f7 36 } else {
phungductung 0:aa3fc5ad02f7 37 return -1;
phungductung 0:aa3fc5ad02f7 38 }
phungductung 0:aa3fc5ad02f7 39 }
phungductung 0:aa3fc5ad02f7 40
phungductung 0:aa3fc5ad02f7 41 WEAK int mbed_interface_uid(char *uid) {
phungductung 0:aa3fc5ad02f7 42 if (mbed_interface_connected()) {
phungductung 0:aa3fc5ad02f7 43 return semihost_uid(uid); // Returns 0 if successful, -1 on failure
phungductung 0:aa3fc5ad02f7 44 } else {
phungductung 0:aa3fc5ad02f7 45 uid[0] = 0;
phungductung 0:aa3fc5ad02f7 46 return -1;
phungductung 0:aa3fc5ad02f7 47 }
phungductung 0:aa3fc5ad02f7 48 }
phungductung 0:aa3fc5ad02f7 49
phungductung 0:aa3fc5ad02f7 50 int mbed_interface_disconnect(void) {
phungductung 0:aa3fc5ad02f7 51 int res;
phungductung 0:aa3fc5ad02f7 52 if (mbed_interface_connected()) {
phungductung 0:aa3fc5ad02f7 53 if ((res = semihost_disabledebug()) != 0)
phungductung 0:aa3fc5ad02f7 54 return res;
phungductung 0:aa3fc5ad02f7 55 while (mbed_interface_connected());
phungductung 0:aa3fc5ad02f7 56 return 0;
phungductung 0:aa3fc5ad02f7 57 } else {
phungductung 0:aa3fc5ad02f7 58 return -1;
phungductung 0:aa3fc5ad02f7 59 }
phungductung 0:aa3fc5ad02f7 60 }
phungductung 0:aa3fc5ad02f7 61
phungductung 0:aa3fc5ad02f7 62 int mbed_interface_powerdown(void) {
phungductung 0:aa3fc5ad02f7 63 int res;
phungductung 0:aa3fc5ad02f7 64 if (mbed_interface_connected()) {
phungductung 0:aa3fc5ad02f7 65 if ((res = semihost_powerdown()) != 0)
phungductung 0:aa3fc5ad02f7 66 return res;
phungductung 0:aa3fc5ad02f7 67 while (mbed_interface_connected());
phungductung 0:aa3fc5ad02f7 68 return 0;
phungductung 0:aa3fc5ad02f7 69 } else {
phungductung 0:aa3fc5ad02f7 70 return -1;
phungductung 0:aa3fc5ad02f7 71 }
phungductung 0:aa3fc5ad02f7 72 }
phungductung 0:aa3fc5ad02f7 73
phungductung 0:aa3fc5ad02f7 74 // for backward compatibility
phungductung 0:aa3fc5ad02f7 75 void mbed_reset(void) {
phungductung 0:aa3fc5ad02f7 76 mbed_interface_reset();
phungductung 0:aa3fc5ad02f7 77 }
phungductung 0:aa3fc5ad02f7 78
phungductung 0:aa3fc5ad02f7 79 WEAK int mbed_uid(char *uid) {
phungductung 0:aa3fc5ad02f7 80 return mbed_interface_uid(uid);
phungductung 0:aa3fc5ad02f7 81 }
phungductung 0:aa3fc5ad02f7 82 #endif
phungductung 0:aa3fc5ad02f7 83
phungductung 0:aa3fc5ad02f7 84 WEAK void mbed_mac_address(char *mac) {
phungductung 0:aa3fc5ad02f7 85 #if DEVICE_SEMIHOST
phungductung 0:aa3fc5ad02f7 86 char uid[DEVICE_ID_LENGTH + 1];
phungductung 0:aa3fc5ad02f7 87 int i;
phungductung 0:aa3fc5ad02f7 88
phungductung 0:aa3fc5ad02f7 89 // if we have a UID, extract the MAC
phungductung 0:aa3fc5ad02f7 90 if (mbed_interface_uid(uid) == 0) {
phungductung 0:aa3fc5ad02f7 91 char *p = uid;
phungductung 0:aa3fc5ad02f7 92 #if defined(DEVICE_MAC_OFFSET)
phungductung 0:aa3fc5ad02f7 93 p += DEVICE_MAC_OFFSET;
phungductung 0:aa3fc5ad02f7 94 #endif
phungductung 0:aa3fc5ad02f7 95 for (i=0; i<6; i++) {
phungductung 0:aa3fc5ad02f7 96 int byte;
phungductung 0:aa3fc5ad02f7 97 sscanf(p, "%2x", &byte);
phungductung 0:aa3fc5ad02f7 98 mac[i] = byte;
phungductung 0:aa3fc5ad02f7 99 p += 2;
phungductung 0:aa3fc5ad02f7 100 }
phungductung 0:aa3fc5ad02f7 101 mac[0] &= ~0x01; // reset the IG bit in the address; see IEE 802.3-2002, Section 3.2.3(b)
phungductung 0:aa3fc5ad02f7 102 } else { // else return a default MAC
phungductung 0:aa3fc5ad02f7 103 #endif
phungductung 0:aa3fc5ad02f7 104 mac[0] = 0x00;
phungductung 0:aa3fc5ad02f7 105 mac[1] = 0x02;
phungductung 0:aa3fc5ad02f7 106 mac[2] = 0xF7;
phungductung 0:aa3fc5ad02f7 107 mac[3] = 0xF0;
phungductung 0:aa3fc5ad02f7 108 mac[4] = 0x00;
phungductung 0:aa3fc5ad02f7 109 mac[5] = 0x00;
phungductung 0:aa3fc5ad02f7 110 #if DEVICE_SEMIHOST
phungductung 0:aa3fc5ad02f7 111 }
phungductung 0:aa3fc5ad02f7 112 #endif
phungductung 0:aa3fc5ad02f7 113 }