Mercurial > pub > halpp
diff f103c8/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c @ 2:0c59e7a7782a
Working on GPIO and RCC
author | cin |
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date | Mon, 16 Jan 2017 11:04:47 +0300 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/f103c8/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c Mon Jan 16 11:04:47 2017 +0300 @@ -0,0 +1,145 @@ +/** + ****************************************************************************** + * @file stm32f1xx_hal_gpio_ex.c + * @author MCD Application Team + * @version V1.0.4 + * @date 29-April-2016 + * @brief GPIO Extension HAL module driver. + * This file provides firmware functions to manage the following + * functionalities of the General Purpose Input/Output (GPIO) extension peripheral. + * + Extended features functions + * + @verbatim + ============================================================================== + ##### GPIO Peripheral extension features ##### + ============================================================================== + [..] GPIO module on STM32F1 family, manage also the AFIO register: + (+) Possibility to use the EVENTOUT Cortex feature + + ##### How to use this driver ##### + ============================================================================== + [..] This driver provides functions to use EVENTOUT Cortex feature + (#) Configure EVENTOUT Cortex feature using the function HAL_GPIOEx_ConfigEventout() + (#) Activate EVENTOUT Cortex feature using the HAL_GPIOEx_EnableEventout() + (#) Deactivate EVENTOUT Cortex feature using the HAL_GPIOEx_DisableEventout() + + @endverbatim + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> + * + * 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. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f1xx_hal.h" + +/** @addtogroup STM32F1xx_HAL_Driver + * @{ + */ + +/** @defgroup GPIOEx GPIOEx + * @brief GPIO HAL module driver + * @{ + */ + +#ifdef HAL_GPIO_MODULE_ENABLED + +/** @defgroup GPIOEx_Exported_Functions GPIOEx Exported Functions + * @{ + */ + +/** @defgroup GPIOEx_Exported_Functions_Group1 Extended features functions + * @brief Extended features functions + * +@verbatim + ============================================================================== + ##### Extended features functions ##### + ============================================================================== + [..] This section provides functions allowing to: + (+) Configure EVENTOUT Cortex feature using the function HAL_GPIOEx_ConfigEventout() + (+) Activate EVENTOUT Cortex feature using the HAL_GPIOEx_EnableEventout() + (+) Deactivate EVENTOUT Cortex feature using the HAL_GPIOEx_DisableEventout() + +@endverbatim + * @{ + */ + +/** + * @brief Configures the port and pin on which the EVENTOUT Cortex signal will be connected. + * @param GPIO_PortSource Select the port used to output the Cortex EVENTOUT signal. + * This parameter can be a value of @ref GPIOEx_EVENTOUT_PORT. + * @param GPIO_PinSource Select the pin used to output the Cortex EVENTOUT signal. + * This parameter can be a value of @ref GPIOEx_EVENTOUT_PIN. + * @retval None + */ +void HAL_GPIOEx_ConfigEventout(uint32_t GPIO_PortSource, uint32_t GPIO_PinSource) +{ + /* Verify the parameters */ + assert_param(IS_AFIO_EVENTOUT_PORT(GPIO_PortSource)); + assert_param(IS_AFIO_EVENTOUT_PIN(GPIO_PinSource)); + + /* Apply the new configuration */ + MODIFY_REG(AFIO->EVCR, (AFIO_EVCR_PORT)|(AFIO_EVCR_PIN), (GPIO_PortSource)|(GPIO_PinSource)); +} + +/** + * @brief Enables the Event Output. + * @retval None + */ +void HAL_GPIOEx_EnableEventout(void) +{ + SET_BIT(AFIO->EVCR, AFIO_EVCR_EVOE); +} + +/** + * @brief Disables the Event Output. + * @retval None + */ +void HAL_GPIOEx_DisableEventout(void) +{ + CLEAR_BIT(AFIO->EVCR, AFIO_EVCR_EVOE); +} + +/** + * @} + */ + +/** + * @} + */ + +#endif /* HAL_GPIO_MODULE_ENABLED */ + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/