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Dependencies: BLE_API nRF51822
Fork of BLE_LoopbackUART by
mbed-src/common/mbed_interface.c@9:05f0b5a3a70a, 2014-10-29 (annotated)
- Committer:
- yihui
- Date:
- Wed Oct 29 06:23:47 2014 +0000
- Revision:
- 9:05f0b5a3a70a
initial
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
yihui | 9:05f0b5a3a70a | 1 | /* mbed Microcontroller Library |
yihui | 9:05f0b5a3a70a | 2 | * Copyright (c) 2006-2013 ARM Limited |
yihui | 9:05f0b5a3a70a | 3 | * |
yihui | 9:05f0b5a3a70a | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
yihui | 9:05f0b5a3a70a | 5 | * you may not use this file except in compliance with the License. |
yihui | 9:05f0b5a3a70a | 6 | * You may obtain a copy of the License at |
yihui | 9:05f0b5a3a70a | 7 | * |
yihui | 9:05f0b5a3a70a | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
yihui | 9:05f0b5a3a70a | 9 | * |
yihui | 9:05f0b5a3a70a | 10 | * Unless required by applicable law or agreed to in writing, software |
yihui | 9:05f0b5a3a70a | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
yihui | 9:05f0b5a3a70a | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
yihui | 9:05f0b5a3a70a | 13 | * See the License for the specific language governing permissions and |
yihui | 9:05f0b5a3a70a | 14 | * limitations under the License. |
yihui | 9:05f0b5a3a70a | 15 | */ |
yihui | 9:05f0b5a3a70a | 16 | #include <stdio.h> |
yihui | 9:05f0b5a3a70a | 17 | #include "mbed_interface.h" |
yihui | 9:05f0b5a3a70a | 18 | |
yihui | 9:05f0b5a3a70a | 19 | #include "gpio_api.h" |
yihui | 9:05f0b5a3a70a | 20 | #include "wait_api.h" |
yihui | 9:05f0b5a3a70a | 21 | #include "semihost_api.h" |
yihui | 9:05f0b5a3a70a | 22 | #include "mbed_error.h" |
yihui | 9:05f0b5a3a70a | 23 | #include "toolchain.h" |
yihui | 9:05f0b5a3a70a | 24 | |
yihui | 9:05f0b5a3a70a | 25 | #if DEVICE_SEMIHOST |
yihui | 9:05f0b5a3a70a | 26 | |
yihui | 9:05f0b5a3a70a | 27 | // return true if a debugger is attached, indicating mbed interface is connected |
yihui | 9:05f0b5a3a70a | 28 | int mbed_interface_connected(void) { |
yihui | 9:05f0b5a3a70a | 29 | return semihost_connected(); |
yihui | 9:05f0b5a3a70a | 30 | } |
yihui | 9:05f0b5a3a70a | 31 | |
yihui | 9:05f0b5a3a70a | 32 | int mbed_interface_reset(void) { |
yihui | 9:05f0b5a3a70a | 33 | if (mbed_interface_connected()) { |
yihui | 9:05f0b5a3a70a | 34 | semihost_reset(); |
yihui | 9:05f0b5a3a70a | 35 | return 0; |
yihui | 9:05f0b5a3a70a | 36 | } else { |
yihui | 9:05f0b5a3a70a | 37 | return -1; |
yihui | 9:05f0b5a3a70a | 38 | } |
yihui | 9:05f0b5a3a70a | 39 | } |
yihui | 9:05f0b5a3a70a | 40 | |
yihui | 9:05f0b5a3a70a | 41 | WEAK int mbed_interface_uid(char *uid) { |
yihui | 9:05f0b5a3a70a | 42 | if (mbed_interface_connected()) { |
yihui | 9:05f0b5a3a70a | 43 | return semihost_uid(uid); // Returns 0 if successful, -1 on failure |
yihui | 9:05f0b5a3a70a | 44 | } else { |
yihui | 9:05f0b5a3a70a | 45 | uid[0] = 0; |
yihui | 9:05f0b5a3a70a | 46 | return -1; |
yihui | 9:05f0b5a3a70a | 47 | } |
yihui | 9:05f0b5a3a70a | 48 | } |
yihui | 9:05f0b5a3a70a | 49 | |
yihui | 9:05f0b5a3a70a | 50 | int mbed_interface_disconnect(void) { |
yihui | 9:05f0b5a3a70a | 51 | int res; |
yihui | 9:05f0b5a3a70a | 52 | if (mbed_interface_connected()) { |
yihui | 9:05f0b5a3a70a | 53 | if ((res = semihost_disabledebug()) != 0) |
yihui | 9:05f0b5a3a70a | 54 | return res; |
yihui | 9:05f0b5a3a70a | 55 | while (mbed_interface_connected()); |
yihui | 9:05f0b5a3a70a | 56 | return 0; |
yihui | 9:05f0b5a3a70a | 57 | } else { |
yihui | 9:05f0b5a3a70a | 58 | return -1; |
yihui | 9:05f0b5a3a70a | 59 | } |
yihui | 9:05f0b5a3a70a | 60 | } |
yihui | 9:05f0b5a3a70a | 61 | |
yihui | 9:05f0b5a3a70a | 62 | int mbed_interface_powerdown(void) { |
yihui | 9:05f0b5a3a70a | 63 | int res; |
yihui | 9:05f0b5a3a70a | 64 | if (mbed_interface_connected()) { |
yihui | 9:05f0b5a3a70a | 65 | if ((res = semihost_powerdown()) != 0) |
yihui | 9:05f0b5a3a70a | 66 | return res; |
yihui | 9:05f0b5a3a70a | 67 | while (mbed_interface_connected()); |
yihui | 9:05f0b5a3a70a | 68 | return 0; |
yihui | 9:05f0b5a3a70a | 69 | } else { |
yihui | 9:05f0b5a3a70a | 70 | return -1; |
yihui | 9:05f0b5a3a70a | 71 | } |
yihui | 9:05f0b5a3a70a | 72 | } |
yihui | 9:05f0b5a3a70a | 73 | |
yihui | 9:05f0b5a3a70a | 74 | // for backward compatibility |
yihui | 9:05f0b5a3a70a | 75 | void mbed_reset(void) { |
yihui | 9:05f0b5a3a70a | 76 | mbed_interface_reset(); |
yihui | 9:05f0b5a3a70a | 77 | } |
yihui | 9:05f0b5a3a70a | 78 | |
yihui | 9:05f0b5a3a70a | 79 | WEAK int mbed_uid(char *uid) { |
yihui | 9:05f0b5a3a70a | 80 | return mbed_interface_uid(uid); |
yihui | 9:05f0b5a3a70a | 81 | } |
yihui | 9:05f0b5a3a70a | 82 | #endif |
yihui | 9:05f0b5a3a70a | 83 | |
yihui | 9:05f0b5a3a70a | 84 | WEAK void mbed_mac_address(char *mac) { |
yihui | 9:05f0b5a3a70a | 85 | #if DEVICE_SEMIHOST |
yihui | 9:05f0b5a3a70a | 86 | char uid[DEVICE_ID_LENGTH + 1]; |
yihui | 9:05f0b5a3a70a | 87 | int i; |
yihui | 9:05f0b5a3a70a | 88 | |
yihui | 9:05f0b5a3a70a | 89 | // if we have a UID, extract the MAC |
yihui | 9:05f0b5a3a70a | 90 | if (mbed_interface_uid(uid) == 0) { |
yihui | 9:05f0b5a3a70a | 91 | char *p = uid; |
yihui | 9:05f0b5a3a70a | 92 | #if defined(DEVICE_MAC_OFFSET) |
yihui | 9:05f0b5a3a70a | 93 | p += DEVICE_MAC_OFFSET; |
yihui | 9:05f0b5a3a70a | 94 | #endif |
yihui | 9:05f0b5a3a70a | 95 | for (i=0; i<6; i++) { |
yihui | 9:05f0b5a3a70a | 96 | int byte; |
yihui | 9:05f0b5a3a70a | 97 | sscanf(p, "%2x", &byte); |
yihui | 9:05f0b5a3a70a | 98 | mac[i] = byte; |
yihui | 9:05f0b5a3a70a | 99 | p += 2; |
yihui | 9:05f0b5a3a70a | 100 | } |
yihui | 9:05f0b5a3a70a | 101 | } else { // else return a default MAC |
yihui | 9:05f0b5a3a70a | 102 | #endif |
yihui | 9:05f0b5a3a70a | 103 | mac[0] = 0x00; |
yihui | 9:05f0b5a3a70a | 104 | mac[1] = 0x02; |
yihui | 9:05f0b5a3a70a | 105 | mac[2] = 0xF7; |
yihui | 9:05f0b5a3a70a | 106 | mac[3] = 0xF0; |
yihui | 9:05f0b5a3a70a | 107 | mac[4] = 0x00; |
yihui | 9:05f0b5a3a70a | 108 | mac[5] = 0x00; |
yihui | 9:05f0b5a3a70a | 109 | #if DEVICE_SEMIHOST |
yihui | 9:05f0b5a3a70a | 110 | } |
yihui | 9:05f0b5a3a70a | 111 | #endif |
yihui | 9:05f0b5a3a70a | 112 | } |