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Diff: mbed_interface.h
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- 0:e1a608bb55e8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed_interface.h Thu Apr 07 18:33:58 2016 +0100 @@ -0,0 +1,114 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef MBED_INTERFACE_H +#define MBED_INTERFACE_H + +#include "device.h" + +/* Mbed interface mac address + * if MBED_MAC_ADD_x are zero, interface uid sets mac address, + * otherwise MAC_ADD_x are used. + */ +#define MBED_MAC_ADDR_INTERFACE 0x00 +#define MBED_MAC_ADDR_0 MBED_MAC_ADDR_INTERFACE +#define MBED_MAC_ADDR_1 MBED_MAC_ADDR_INTERFACE +#define MBED_MAC_ADDR_2 MBED_MAC_ADDR_INTERFACE +#define MBED_MAC_ADDR_3 MBED_MAC_ADDR_INTERFACE +#define MBED_MAC_ADDR_4 MBED_MAC_ADDR_INTERFACE +#define MBED_MAC_ADDR_5 MBED_MAC_ADDR_INTERFACE +#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) + +#ifdef __cplusplus +extern "C" { +#endif + +#if DEVICE_SEMIHOST + +/** Functions to control the mbed interface + * + * mbed Microcontrollers have a built-in interface to provide functionality such as + * drag-n-drop download, reset, serial-over-usb, and access to the mbed local file + * system. These functions provide means to control the interface suing semihost + * calls it supports. + */ + +/** Determine whether the mbed interface is connected, based on whether debug is enabled + * + * @returns + * 1 if interface is connected, + * 0 otherwise + */ +int mbed_interface_connected(void); + +/** Instruct the mbed interface to reset, as if the reset button had been pressed + * + * @returns + * 1 if successful, + * 0 otherwise (e.g. interface not present) + */ +int mbed_interface_reset(void); + +/** This will disconnect the debug aspect of the interface, so semihosting will be disabled. + * The interface will still support the USB serial aspect + * + * @returns + * 0 if successful, + * -1 otherwise (e.g. interface not present) + */ +int mbed_interface_disconnect(void); + +/** This will disconnect the debug aspect of the interface, and if the USB cable is not + * connected, also power down the interface. If the USB cable is connected, the interface + * will remain powered up and visible to the host + * + * @returns + * 0 if successful, + * -1 otherwise (e.g. interface not present) + */ +int mbed_interface_powerdown(void); + +/** This returns a string containing the 32-character UID of the mbed interface + * This is a weak function that can be overwritten if required + * + * @param uid A 33-byte array to write the null terminated 32-byte string + * + * @returns + * 0 if successful, + * -1 otherwise (e.g. interface not present) + */ +int mbed_interface_uid(char *uid); + +#endif + +/** This returns a unique 6-byte MAC address, based on the interface UID + * If the interface is not present, it returns a default fixed MAC address (00:02:F7:F0:00:00) + * + * This is a weak function that can be overwritten if you want to provide your own mechanism to + * provide a MAC address. + * + * @param mac A 6-byte array to write the MAC address + */ +void mbed_mac_address(char *mac); + +/** Cause the mbed to flash the BLOD (Blue LEDs Of Death) sequence + */ +void mbed_die(void); + +#ifdef __cplusplus +} +#endif + +#endif