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authorFredrik Thulin <fredrik@thulin.net>2017-03-23 19:45:35 +0100
committerFredrik Thulin <fredrik@thulin.net>2017-03-23 19:45:35 +0100
commit4344fa71c11453bb316ea990b270fb019e9bfa36 (patch)
treee5c0abeb1826eb2d29999a600916b2207614175d /libraries/mbed/targets/cmsis/arm_const_structs.h
parent700ba6a4add565a95ef37530ac90f6dbd8117037 (diff)
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/*
 * stm-init.h
 * ----------
 * Functions to set up the stm32 peripherals.
 *
 * Copyright (c) 2015, NORDUnet A/S All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * - 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.
 *
 * - Neither the name of the NORDUnet 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
 * HOLDER 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 LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __STM_INIT_H
#define __STM_INIT_H

#include "stm32f4xx_hal.h"

/* Functions used to make GPIO pin setup (in stm-init.c) easier */

inline void gpio_output(GPIO_TypeDef* output_port, uint16_t output_pins, GPIO_PinState output_level)
{
    GPIO_InitTypeDef GPIO_InitStruct;

    /* Configure GPIO pin Output Level */
    HAL_GPIO_WritePin(output_port, output_pins, output_level);

    /* Configure pin as output */
    GPIO_InitStruct.Pin = output_pins;
    GPIO_InitStruct.Mode  = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
    HAL_GPIO_Init(output_port, &GPIO_InitStruct);
}

inline void gpio_input(GPIO_TypeDef* input_port, uint16_t input_pin, GPIO_PinState input_pull)
{
    GPIO_InitTypeDef GPIO_InitStruct;

    GPIO_InitStruct.Pin = input_pin;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = input_pull;
    GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
    HAL_GPIO_Init(input_port, &GPIO_InitStruct);
}

extern void stm_init(void);
extern void Error_Handler(void);

#endif /* __STM_INIT_H */