Opencv 3.1 project on GR-PEACH board
Fork of gr-peach-opencv-project by
platform/mbed_interface.c@170:54ff26da7eb6, 2017-07-04 (annotated)
- Committer:
- thedo
- Date:
- Tue Jul 04 06:23:13 2017 +0000
- Revision:
- 170:54ff26da7eb6
- Parent:
- 167:1657b442184c
project opencv 3.1 on GR PEACH board, no use SD card.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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thedo | 167:1657b442184c | 1 | /* mbed Microcontroller Library |
thedo | 167:1657b442184c | 2 | * Copyright (c) 2006-2013 ARM Limited |
thedo | 167:1657b442184c | 3 | * |
thedo | 167:1657b442184c | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
thedo | 167:1657b442184c | 5 | * you may not use this file except in compliance with the License. |
thedo | 167:1657b442184c | 6 | * You may obtain a copy of the License at |
thedo | 167:1657b442184c | 7 | * |
thedo | 167:1657b442184c | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
thedo | 167:1657b442184c | 9 | * |
thedo | 167:1657b442184c | 10 | * Unless required by applicable law or agreed to in writing, software |
thedo | 167:1657b442184c | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
thedo | 167:1657b442184c | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
thedo | 167:1657b442184c | 13 | * See the License for the specific language governing permissions and |
thedo | 167:1657b442184c | 14 | * limitations under the License. |
thedo | 167:1657b442184c | 15 | */ |
thedo | 167:1657b442184c | 16 | #include <stdio.h> |
thedo | 167:1657b442184c | 17 | #include "platform/mbed_interface.h" |
thedo | 167:1657b442184c | 18 | |
thedo | 167:1657b442184c | 19 | #include "hal/gpio_api.h" |
thedo | 167:1657b442184c | 20 | #include "platform/mbed_wait_api.h" |
thedo | 167:1657b442184c | 21 | #include "platform/mbed_semihost_api.h" |
thedo | 167:1657b442184c | 22 | #include "platform/mbed_error.h" |
thedo | 167:1657b442184c | 23 | #include "platform/mbed_toolchain.h" |
thedo | 167:1657b442184c | 24 | |
thedo | 167:1657b442184c | 25 | #if DEVICE_SEMIHOST |
thedo | 167:1657b442184c | 26 | |
thedo | 167:1657b442184c | 27 | // return true if a debugger is attached, indicating mbed interface is connected |
thedo | 167:1657b442184c | 28 | int mbed_interface_connected(void) { |
thedo | 167:1657b442184c | 29 | return semihost_connected(); |
thedo | 167:1657b442184c | 30 | } |
thedo | 167:1657b442184c | 31 | |
thedo | 167:1657b442184c | 32 | int mbed_interface_reset(void) { |
thedo | 167:1657b442184c | 33 | if (mbed_interface_connected()) { |
thedo | 167:1657b442184c | 34 | semihost_reset(); |
thedo | 167:1657b442184c | 35 | return 0; |
thedo | 167:1657b442184c | 36 | } else { |
thedo | 167:1657b442184c | 37 | return -1; |
thedo | 167:1657b442184c | 38 | } |
thedo | 167:1657b442184c | 39 | } |
thedo | 167:1657b442184c | 40 | |
thedo | 167:1657b442184c | 41 | WEAK int mbed_interface_uid(char *uid) { |
thedo | 167:1657b442184c | 42 | if (mbed_interface_connected()) { |
thedo | 167:1657b442184c | 43 | return semihost_uid(uid); // Returns 0 if successful, -1 on failure |
thedo | 167:1657b442184c | 44 | } else { |
thedo | 167:1657b442184c | 45 | uid[0] = 0; |
thedo | 167:1657b442184c | 46 | return -1; |
thedo | 167:1657b442184c | 47 | } |
thedo | 167:1657b442184c | 48 | } |
thedo | 167:1657b442184c | 49 | |
thedo | 167:1657b442184c | 50 | int mbed_interface_disconnect(void) { |
thedo | 167:1657b442184c | 51 | int res; |
thedo | 167:1657b442184c | 52 | if (mbed_interface_connected()) { |
thedo | 167:1657b442184c | 53 | if ((res = semihost_disabledebug()) != 0) |
thedo | 167:1657b442184c | 54 | return res; |
thedo | 167:1657b442184c | 55 | while (mbed_interface_connected()); |
thedo | 167:1657b442184c | 56 | return 0; |
thedo | 167:1657b442184c | 57 | } else { |
thedo | 167:1657b442184c | 58 | return -1; |
thedo | 167:1657b442184c | 59 | } |
thedo | 167:1657b442184c | 60 | } |
thedo | 167:1657b442184c | 61 | |
thedo | 167:1657b442184c | 62 | int mbed_interface_powerdown(void) { |
thedo | 167:1657b442184c | 63 | int res; |
thedo | 167:1657b442184c | 64 | if (mbed_interface_connected()) { |
thedo | 167:1657b442184c | 65 | if ((res = semihost_powerdown()) != 0) |
thedo | 167:1657b442184c | 66 | return res; |
thedo | 167:1657b442184c | 67 | while (mbed_interface_connected()); |
thedo | 167:1657b442184c | 68 | return 0; |
thedo | 167:1657b442184c | 69 | } else { |
thedo | 167:1657b442184c | 70 | return -1; |
thedo | 167:1657b442184c | 71 | } |
thedo | 167:1657b442184c | 72 | } |
thedo | 167:1657b442184c | 73 | |
thedo | 167:1657b442184c | 74 | // for backward compatibility |
thedo | 167:1657b442184c | 75 | void mbed_reset(void) { |
thedo | 167:1657b442184c | 76 | mbed_interface_reset(); |
thedo | 167:1657b442184c | 77 | } |
thedo | 167:1657b442184c | 78 | |
thedo | 167:1657b442184c | 79 | WEAK int mbed_uid(char *uid) { |
thedo | 167:1657b442184c | 80 | return mbed_interface_uid(uid); |
thedo | 167:1657b442184c | 81 | } |
thedo | 167:1657b442184c | 82 | #endif |
thedo | 167:1657b442184c | 83 | |
thedo | 167:1657b442184c | 84 | WEAK void mbed_mac_address(char *mac) { |
thedo | 167:1657b442184c | 85 | #if DEVICE_SEMIHOST |
thedo | 167:1657b442184c | 86 | char uid[DEVICE_ID_LENGTH + 1]; |
thedo | 167:1657b442184c | 87 | int i; |
thedo | 167:1657b442184c | 88 | |
thedo | 167:1657b442184c | 89 | // if we have a UID, extract the MAC |
thedo | 167:1657b442184c | 90 | if (mbed_interface_uid(uid) == 0) { |
thedo | 167:1657b442184c | 91 | char *p = uid; |
thedo | 167:1657b442184c | 92 | #if defined(DEVICE_MAC_OFFSET) |
thedo | 167:1657b442184c | 93 | p += DEVICE_MAC_OFFSET; |
thedo | 167:1657b442184c | 94 | #endif |
thedo | 167:1657b442184c | 95 | for (i=0; i<6; i++) { |
thedo | 167:1657b442184c | 96 | int byte; |
thedo | 167:1657b442184c | 97 | sscanf(p, "%2x", &byte); |
thedo | 167:1657b442184c | 98 | mac[i] = byte; |
thedo | 167:1657b442184c | 99 | p += 2; |
thedo | 167:1657b442184c | 100 | } |
thedo | 167:1657b442184c | 101 | mac[0] &= ~0x01; // reset the IG bit in the address; see IEE 802.3-2002, Section 3.2.3(b) |
thedo | 167:1657b442184c | 102 | } else { // else return a default MAC |
thedo | 167:1657b442184c | 103 | #endif |
thedo | 167:1657b442184c | 104 | mac[0] = 0x00; |
thedo | 167:1657b442184c | 105 | mac[1] = 0x02; |
thedo | 167:1657b442184c | 106 | mac[2] = 0xF7; |
thedo | 167:1657b442184c | 107 | mac[3] = 0xF0; |
thedo | 167:1657b442184c | 108 | mac[4] = 0x00; |
thedo | 167:1657b442184c | 109 | mac[5] = 0x00; |
thedo | 167:1657b442184c | 110 | #if DEVICE_SEMIHOST |
thedo | 167:1657b442184c | 111 | } |
thedo | 167:1657b442184c | 112 | #endif |
thedo | 167:1657b442184c | 113 | } |
thedo | 167:1657b442184c | 114 |