/****************************************************************************
 *
 *   Copyright (c) 2014 PX4 Development Team. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name PX4 nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/

#pragma once

#include <stdint.h>

__BEGIN_DECLS

/* magic numbers from reference manual */
enum MCU_REV {
	MCU_REV_STM32F4_REV_A = 0x1000,
	MCU_REV_STM32F4_REV_Z = 0x1001,
	MCU_REV_STM32F4_REV_Y = 0x1003,
	MCU_REV_STM32F4_REV_1 = 0x1007,
	MCU_REV_STM32F4_REV_3 = 0x2001
};


/**
 * Reports the microcontroller unique id.
 *
 * This ID is guaranteed to be unique for every mcu. 
 * @param uid_96_bit A uint32_t[3] array to copy the data to.
 */
__EXPORT void mcu_unique_id(uint32_t *uid_96_bit);

/**
 * Reports the microcontroller version of the main CPU.
 *
 * @param rev The silicon revision character
 * @param revstr The full chip name string
 * @return The silicon revision / version number as integer
 */
__EXPORT int mcu_version(char* rev, char** revstr);

__END_DECLS