Tamura Mizuki / STM32F746_FFT

fft

Dependencies:   BSP_DISCO_F746NG SDFileSystem_Warning_Fixed

mbed_src_STM32F7/common/mbed_interface.c@3:6f7e05dd8d15, 2020-03-06 (annotated)

Committer:
aria19970520
Date:
Fri Mar 06 06:52:14 2020 +0000
Revision:
3:6f7e05dd8d15
Parent:
0:3e46577dc273 
fft

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:3e46577dc273 1 /* mbed Microcontroller Library
MikamiUitOpen 0:3e46577dc273 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 0:3e46577dc273 3 *
MikamiUitOpen 0:3e46577dc273 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 0:3e46577dc273 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 0:3e46577dc273 6 * You may obtain a copy of the License at
MikamiUitOpen 0:3e46577dc273 7 *
MikamiUitOpen 0:3e46577dc273 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 0:3e46577dc273 9 *
MikamiUitOpen 0:3e46577dc273 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 0:3e46577dc273 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 0:3e46577dc273 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 0:3e46577dc273 13 * See the License for the specific language governing permissions and
MikamiUitOpen 0:3e46577dc273 14 * limitations under the License.
MikamiUitOpen 0:3e46577dc273 15 */
MikamiUitOpen 0:3e46577dc273 16 #include <stdio.h>
MikamiUitOpen 0:3e46577dc273 17 #include "mbed_interface.h"
MikamiUitOpen 0:3e46577dc273 18
MikamiUitOpen 0:3e46577dc273 19 #include "gpio_api.h"
MikamiUitOpen 0:3e46577dc273 20 #include "wait_api.h"
MikamiUitOpen 0:3e46577dc273 21 #include "semihost_api.h"
MikamiUitOpen 0:3e46577dc273 22 #include "mbed_error.h"
MikamiUitOpen 0:3e46577dc273 23 #include "toolchain.h"
MikamiUitOpen 0:3e46577dc273 24
MikamiUitOpen 0:3e46577dc273 25 #if DEVICE_SEMIHOST
MikamiUitOpen 0:3e46577dc273 26
MikamiUitOpen 0:3e46577dc273 27 // return true if a debugger is attached, indicating mbed interface is connected
MikamiUitOpen 0:3e46577dc273 28 int mbed_interface_connected(void) {
MikamiUitOpen 0:3e46577dc273 29 return semihost_connected();
MikamiUitOpen 0:3e46577dc273 30 }
MikamiUitOpen 0:3e46577dc273 31
MikamiUitOpen 0:3e46577dc273 32 int mbed_interface_reset(void) {
MikamiUitOpen 0:3e46577dc273 33 if (mbed_interface_connected()) {
MikamiUitOpen 0:3e46577dc273 34 semihost_reset();
MikamiUitOpen 0:3e46577dc273 35 return 0;
MikamiUitOpen 0:3e46577dc273 36 } else {
MikamiUitOpen 0:3e46577dc273 37 return -1;
MikamiUitOpen 0:3e46577dc273 38 }
MikamiUitOpen 0:3e46577dc273 39 }
MikamiUitOpen 0:3e46577dc273 40
MikamiUitOpen 0:3e46577dc273 41 WEAK int mbed_interface_uid(char *uid) {
MikamiUitOpen 0:3e46577dc273 42 if (mbed_interface_connected()) {
MikamiUitOpen 0:3e46577dc273 43 return semihost_uid(uid); // Returns 0 if successful, -1 on failure
MikamiUitOpen 0:3e46577dc273 44 } else {
MikamiUitOpen 0:3e46577dc273 45 uid[0] = 0;
MikamiUitOpen 0:3e46577dc273 46 return -1;
MikamiUitOpen 0:3e46577dc273 47 }
MikamiUitOpen 0:3e46577dc273 48 }
MikamiUitOpen 0:3e46577dc273 49
MikamiUitOpen 0:3e46577dc273 50 int mbed_interface_disconnect(void) {
MikamiUitOpen 0:3e46577dc273 51 int res;
MikamiUitOpen 0:3e46577dc273 52 if (mbed_interface_connected()) {
MikamiUitOpen 0:3e46577dc273 53 if ((res = semihost_disabledebug()) != 0)
MikamiUitOpen 0:3e46577dc273 54 return res;
MikamiUitOpen 0:3e46577dc273 55 while (mbed_interface_connected());
MikamiUitOpen 0:3e46577dc273 56 return 0;
MikamiUitOpen 0:3e46577dc273 57 } else {
MikamiUitOpen 0:3e46577dc273 58 return -1;
MikamiUitOpen 0:3e46577dc273 59 }
MikamiUitOpen 0:3e46577dc273 60 }
MikamiUitOpen 0:3e46577dc273 61
MikamiUitOpen 0:3e46577dc273 62 int mbed_interface_powerdown(void) {
MikamiUitOpen 0:3e46577dc273 63 int res;
MikamiUitOpen 0:3e46577dc273 64 if (mbed_interface_connected()) {
MikamiUitOpen 0:3e46577dc273 65 if ((res = semihost_powerdown()) != 0)
MikamiUitOpen 0:3e46577dc273 66 return res;
MikamiUitOpen 0:3e46577dc273 67 while (mbed_interface_connected());
MikamiUitOpen 0:3e46577dc273 68 return 0;
MikamiUitOpen 0:3e46577dc273 69 } else {
MikamiUitOpen 0:3e46577dc273 70 return -1;
MikamiUitOpen 0:3e46577dc273 71 }
MikamiUitOpen 0:3e46577dc273 72 }
MikamiUitOpen 0:3e46577dc273 73
MikamiUitOpen 0:3e46577dc273 74 // for backward compatibility
MikamiUitOpen 0:3e46577dc273 75 void mbed_reset(void) {
MikamiUitOpen 0:3e46577dc273 76 mbed_interface_reset();
MikamiUitOpen 0:3e46577dc273 77 }
MikamiUitOpen 0:3e46577dc273 78
MikamiUitOpen 0:3e46577dc273 79 WEAK int mbed_uid(char *uid) {
MikamiUitOpen 0:3e46577dc273 80 return mbed_interface_uid(uid);
MikamiUitOpen 0:3e46577dc273 81 }
MikamiUitOpen 0:3e46577dc273 82 #endif
MikamiUitOpen 0:3e46577dc273 83
MikamiUitOpen 0:3e46577dc273 84 WEAK void mbed_mac_address(char *mac) {
MikamiUitOpen 0:3e46577dc273 85 #if DEVICE_SEMIHOST
MikamiUitOpen 0:3e46577dc273 86 char uid[DEVICE_ID_LENGTH + 1];
MikamiUitOpen 0:3e46577dc273 87 int i;
MikamiUitOpen 0:3e46577dc273 88
MikamiUitOpen 0:3e46577dc273 89 // if we have a UID, extract the MAC
MikamiUitOpen 0:3e46577dc273 90 if (mbed_interface_uid(uid) == 0) {
MikamiUitOpen 0:3e46577dc273 91 char *p = uid;
MikamiUitOpen 0:3e46577dc273 92 #if defined(DEVICE_MAC_OFFSET)
MikamiUitOpen 0:3e46577dc273 93 p += DEVICE_MAC_OFFSET;
MikamiUitOpen 0:3e46577dc273 94 #endif
MikamiUitOpen 0:3e46577dc273 95 for (i=0; i<6; i++) {
MikamiUitOpen 0:3e46577dc273 96 int byte;
MikamiUitOpen 0:3e46577dc273 97 sscanf(p, "%2x", &byte);
MikamiUitOpen 0:3e46577dc273 98 mac[i] = byte;
MikamiUitOpen 0:3e46577dc273 99 p += 2;
MikamiUitOpen 0:3e46577dc273 100 }
MikamiUitOpen 0:3e46577dc273 101 mac[0] &= ~0x01; // reset the IG bit in the address; see IEE 802.3-2002, Section 3.2.3(b)
MikamiUitOpen 0:3e46577dc273 102 } else { // else return a default MAC
MikamiUitOpen 0:3e46577dc273 103 #endif
MikamiUitOpen 0:3e46577dc273 104 mac[0] = 0x00;
MikamiUitOpen 0:3e46577dc273 105 mac[1] = 0x02;
MikamiUitOpen 0:3e46577dc273 106 mac[2] = 0xF7;
MikamiUitOpen 0:3e46577dc273 107 mac[3] = 0xF0;
MikamiUitOpen 0:3e46577dc273 108 mac[4] = 0x00;
MikamiUitOpen 0:3e46577dc273 109 mac[5] = 0x00;
MikamiUitOpen 0:3e46577dc273 110 #if DEVICE_SEMIHOST
MikamiUitOpen 0:3e46577dc273 111 }
MikamiUitOpen 0:3e46577dc273 112 #endif
MikamiUitOpen 0:3e46577dc273 113 }