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mbed/platform/mbed_interface.h@0:d6c9b09b4042, 2020-12-02 (annotated)

Committer:
annieluo2
Date:
Wed Dec 02 18:02:03 2020 +0000
Revision:
0:d6c9b09b4042
boo

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annieluo2 0:d6c9b09b4042 1
annieluo2 0:d6c9b09b4042 2 /** \addtogroup platform */
annieluo2 0:d6c9b09b4042 3 /** @{*/
annieluo2 0:d6c9b09b4042 4 /* mbed Microcontroller Library
annieluo2 0:d6c9b09b4042 5 * Copyright (c) 2006-2013 ARM Limited
annieluo2 0:d6c9b09b4042 6 *
annieluo2 0:d6c9b09b4042 7 * Licensed under the Apache License, Version 2.0 (the "License");
annieluo2 0:d6c9b09b4042 8 * you may not use this file except in compliance with the License.
annieluo2 0:d6c9b09b4042 9 * You may obtain a copy of the License at
annieluo2 0:d6c9b09b4042 10 *
annieluo2 0:d6c9b09b4042 11 * http://www.apache.org/licenses/LICENSE-2.0
annieluo2 0:d6c9b09b4042 12 *
annieluo2 0:d6c9b09b4042 13 * Unless required by applicable law or agreed to in writing, software
annieluo2 0:d6c9b09b4042 14 * distributed under the License is distributed on an "AS IS" BASIS,
annieluo2 0:d6c9b09b4042 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
annieluo2 0:d6c9b09b4042 16 * See the License for the specific language governing permissions and
annieluo2 0:d6c9b09b4042 17 * limitations under the License.
annieluo2 0:d6c9b09b4042 18 */
annieluo2 0:d6c9b09b4042 19 #ifndef MBED_INTERFACE_H
annieluo2 0:d6c9b09b4042 20 #define MBED_INTERFACE_H
annieluo2 0:d6c9b09b4042 21
annieluo2 0:d6c9b09b4042 22 #include <stdarg.h>
annieluo2 0:d6c9b09b4042 23
annieluo2 0:d6c9b09b4042 24 #include "device.h"
annieluo2 0:d6c9b09b4042 25
annieluo2 0:d6c9b09b4042 26 /* Mbed interface mac address
annieluo2 0:d6c9b09b4042 27 * if MBED_MAC_ADD_x are zero, interface uid sets mac address,
annieluo2 0:d6c9b09b4042 28 * otherwise MAC_ADD_x are used.
annieluo2 0:d6c9b09b4042 29 */
annieluo2 0:d6c9b09b4042 30 #define MBED_MAC_ADDR_INTERFACE 0x00
annieluo2 0:d6c9b09b4042 31 #define MBED_MAC_ADDR_0 MBED_MAC_ADDR_INTERFACE
annieluo2 0:d6c9b09b4042 32 #define MBED_MAC_ADDR_1 MBED_MAC_ADDR_INTERFACE
annieluo2 0:d6c9b09b4042 33 #define MBED_MAC_ADDR_2 MBED_MAC_ADDR_INTERFACE
annieluo2 0:d6c9b09b4042 34 #define MBED_MAC_ADDR_3 MBED_MAC_ADDR_INTERFACE
annieluo2 0:d6c9b09b4042 35 #define MBED_MAC_ADDR_4 MBED_MAC_ADDR_INTERFACE
annieluo2 0:d6c9b09b4042 36 #define MBED_MAC_ADDR_5 MBED_MAC_ADDR_INTERFACE
annieluo2 0:d6c9b09b4042 37 #define MBED_MAC_ADDRESS_SUM (MBED_MAC_ADDR_0 | MBED_MAC_ADDR_1 | MBED_MAC_ADDR_2 | MBED_MAC_ADDR_3 | MBED_MAC_ADDR_4 | MBED_MAC_ADDR_5)
annieluo2 0:d6c9b09b4042 38
annieluo2 0:d6c9b09b4042 39 #ifdef __cplusplus
annieluo2 0:d6c9b09b4042 40 extern "C" {
annieluo2 0:d6c9b09b4042 41 #endif
annieluo2 0:d6c9b09b4042 42
annieluo2 0:d6c9b09b4042 43 #if DEVICE_SEMIHOST
annieluo2 0:d6c9b09b4042 44
annieluo2 0:d6c9b09b4042 45 /** Functions to control the mbed interface
annieluo2 0:d6c9b09b4042 46 *
annieluo2 0:d6c9b09b4042 47 * mbed Microcontrollers have a built-in interface to provide functionality such as
annieluo2 0:d6c9b09b4042 48 * drag-n-drop download, reset, serial-over-usb, and access to the mbed local file
annieluo2 0:d6c9b09b4042 49 * system. These functions provide means to control the interface suing semihost
annieluo2 0:d6c9b09b4042 50 * calls it supports.
annieluo2 0:d6c9b09b4042 51 */
annieluo2 0:d6c9b09b4042 52
annieluo2 0:d6c9b09b4042 53 /** Determine whether the mbed interface is connected, based on whether debug is enabled
annieluo2 0:d6c9b09b4042 54 *
annieluo2 0:d6c9b09b4042 55 * @returns
annieluo2 0:d6c9b09b4042 56 * 1 if interface is connected,
annieluo2 0:d6c9b09b4042 57 * 0 otherwise
annieluo2 0:d6c9b09b4042 58 */
annieluo2 0:d6c9b09b4042 59 int mbed_interface_connected(void);
annieluo2 0:d6c9b09b4042 60
annieluo2 0:d6c9b09b4042 61 /** Instruct the mbed interface to reset, as if the reset button had been pressed
annieluo2 0:d6c9b09b4042 62 *
annieluo2 0:d6c9b09b4042 63 * @returns
annieluo2 0:d6c9b09b4042 64 * 1 if successful,
annieluo2 0:d6c9b09b4042 65 * 0 otherwise (e.g. interface not present)
annieluo2 0:d6c9b09b4042 66 */
annieluo2 0:d6c9b09b4042 67 int mbed_interface_reset(void);
annieluo2 0:d6c9b09b4042 68
annieluo2 0:d6c9b09b4042 69 /** This will disconnect the debug aspect of the interface, so semihosting will be disabled.
annieluo2 0:d6c9b09b4042 70 * The interface will still support the USB serial aspect
annieluo2 0:d6c9b09b4042 71 *
annieluo2 0:d6c9b09b4042 72 * @returns
annieluo2 0:d6c9b09b4042 73 * 0 if successful,
annieluo2 0:d6c9b09b4042 74 * -1 otherwise (e.g. interface not present)
annieluo2 0:d6c9b09b4042 75 */
annieluo2 0:d6c9b09b4042 76 int mbed_interface_disconnect(void);
annieluo2 0:d6c9b09b4042 77
annieluo2 0:d6c9b09b4042 78 /** This will disconnect the debug aspect of the interface, and if the USB cable is not
annieluo2 0:d6c9b09b4042 79 * connected, also power down the interface. If the USB cable is connected, the interface
annieluo2 0:d6c9b09b4042 80 * will remain powered up and visible to the host
annieluo2 0:d6c9b09b4042 81 *
annieluo2 0:d6c9b09b4042 82 * @returns
annieluo2 0:d6c9b09b4042 83 * 0 if successful,
annieluo2 0:d6c9b09b4042 84 * -1 otherwise (e.g. interface not present)
annieluo2 0:d6c9b09b4042 85 */
annieluo2 0:d6c9b09b4042 86 int mbed_interface_powerdown(void);
annieluo2 0:d6c9b09b4042 87
annieluo2 0:d6c9b09b4042 88 /** This returns a string containing the 32-character UID of the mbed interface
annieluo2 0:d6c9b09b4042 89 * This is a weak function that can be overwritten if required
annieluo2 0:d6c9b09b4042 90 *
annieluo2 0:d6c9b09b4042 91 * @param uid A 33-byte array to write the null terminated 32-byte string
annieluo2 0:d6c9b09b4042 92 *
annieluo2 0:d6c9b09b4042 93 * @returns
annieluo2 0:d6c9b09b4042 94 * 0 if successful,
annieluo2 0:d6c9b09b4042 95 * -1 otherwise (e.g. interface not present)
annieluo2 0:d6c9b09b4042 96 */
annieluo2 0:d6c9b09b4042 97 int mbed_interface_uid(char *uid);
annieluo2 0:d6c9b09b4042 98
annieluo2 0:d6c9b09b4042 99 #endif
annieluo2 0:d6c9b09b4042 100
annieluo2 0:d6c9b09b4042 101 /** This returns a unique 6-byte MAC address, based on the interface UID
annieluo2 0:d6c9b09b4042 102 * If the interface is not present, it returns a default fixed MAC address (00:02:F7:F0:00:00)
annieluo2 0:d6c9b09b4042 103 *
annieluo2 0:d6c9b09b4042 104 * This is a weak function that can be overwritten if you want to provide your own mechanism to
annieluo2 0:d6c9b09b4042 105 * provide a MAC address.
annieluo2 0:d6c9b09b4042 106 *
annieluo2 0:d6c9b09b4042 107 * @param mac A 6-byte array to write the MAC address
annieluo2 0:d6c9b09b4042 108 */
annieluo2 0:d6c9b09b4042 109 void mbed_mac_address(char *mac);
annieluo2 0:d6c9b09b4042 110
annieluo2 0:d6c9b09b4042 111 /** Cause the mbed to flash the BLOD (Blue LEDs Of Death) sequence
annieluo2 0:d6c9b09b4042 112 */
annieluo2 0:d6c9b09b4042 113 void mbed_die(void);
annieluo2 0:d6c9b09b4042 114
annieluo2 0:d6c9b09b4042 115 /** Print out an error message. This is typically called when
annieluo2 0:d6c9b09b4042 116 * hanlding a crash.
annieluo2 0:d6c9b09b4042 117 *
annieluo2 0:d6c9b09b4042 118 * @Note Synchronization level: Interrupt safe
annieluo2 0:d6c9b09b4042 119 */
annieluo2 0:d6c9b09b4042 120 void mbed_error_printf(const char* format, ...);
annieluo2 0:d6c9b09b4042 121
annieluo2 0:d6c9b09b4042 122 /** Print out an error message. Similar to mbed_error_printf
annieluo2 0:d6c9b09b4042 123 * but uses a va_list.
annieluo2 0:d6c9b09b4042 124 *
annieluo2 0:d6c9b09b4042 125 * @Note Synchronization level: Interrupt safe
annieluo2 0:d6c9b09b4042 126 */
annieluo2 0:d6c9b09b4042 127 void mbed_error_vfprintf(const char * format, va_list arg);
annieluo2 0:d6c9b09b4042 128
annieluo2 0:d6c9b09b4042 129 #ifdef __cplusplus
annieluo2 0:d6c9b09b4042 130 }
annieluo2 0:d6c9b09b4042 131 #endif
annieluo2 0:d6c9b09b4042 132
annieluo2 0:d6c9b09b4042 133 #endif
annieluo2 0:d6c9b09b4042 134
annieluo2 0:d6c9b09b4042 135 /** @}*/