+++ /dev/null
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, 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.
- *******************************************************************************
- */
-#include "mbed_assert.h"
-#include "gpio_api.h"
-#include "pinmap.h"
-#include "mbed_error.h"
-
-extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
-
-uint32_t gpio_set(PinName pin)
-{
- MBED_ASSERT(pin != (PinName)NC);
-
- pin_function(pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask
-}
-
-void gpio_init(gpio_t *obj, PinName pin)
-{
- obj->pin = pin;
- if (pin == (PinName)NC)
- return;
-
- uint32_t port_index = STM_PORT(pin);
-
- // Enable GPIO clock
- uint32_t gpio_add = Set_GPIO_Clock(port_index);
- GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
-
- // Fill GPIO object structure for future use
- obj->mask = gpio_set(pin);
- obj->reg_in = &gpio->IDR;
- obj->reg_set = &gpio->BSRR;
- obj->reg_clr = &gpio->BRR;
-}
-
-void gpio_mode(gpio_t *obj, PinMode mode)
-{
- pin_mode(obj->pin, mode);
-}
-
-void gpio_dir(gpio_t *obj, PinDirection direction)
-{
- MBED_ASSERT(obj->pin != (PinName)NC);
- if (direction == PIN_OUTPUT) {
- pin_function(obj->pin, STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0));
- } else { // PIN_INPUT
- pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
- }
-}