File content as of revision 160:d5399cc887bb:

/* mbed Microcontroller Library
 *******************************************************************************
 * Copyright (c) 2016, STMicroelectronics
 * 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 of STMicroelectronics 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 MBED_PIN_DEVICE_H
#define MBED_PIN_DEVICE_H

#include "cmsis.h"
#include "stm32l1xx_ll_gpio.h"

extern const uint32_t ll_pin_defines[16];

/* Family specific implementations */
static inline void stm_pin_DisconnectDebug(PinName pin)
{
    /* empty for now */
}

static inline void stm_pin_PullConfig(GPIO_TypeDef *gpio, uint32_t ll_pin, uint32_t pull_config)
{
    switch (pull_config) {
        case GPIO_PULLUP:
            LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_UP);
            break;
        case GPIO_PULLDOWN:
            LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_DOWN);
            break;
        default:
            LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_NO);
            break;
    }
}

static inline void stm_pin_SetAFPin( GPIO_TypeDef *gpio, PinName pin, uint32_t afnum)
{
    uint32_t ll_pin  = ll_pin_defines[STM_PIN(pin)];

    if (STM_PIN(pin) > 7)
        LL_GPIO_SetAFPin_8_15(gpio, ll_pin, afnum);
    else
        LL_GPIO_SetAFPin_0_7(gpio, ll_pin, afnum);
}

#endif