Diff: mbed/mbed_interface.h

Revision:

3:78f223d34f36

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed/mbed_interface.h	Tue Mar 05 02:34:44 2019 +0000
@@ -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