en 129 / mbed-dev

fix LPC812 PWM

Dependents:   IR_LED_Send

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32F1/stm32f1xx_hal_gpio_ex.c@129:2e517c56bcfb, 2016-05-16 (annotated)

Committer:
nameless129
Date:
Mon May 16 16:50:30 2016 +0000
Revision:
129:2e517c56bcfb
Parent:
124:6a4a5b7d7324 
PWM Fix:Duty 0%??H???????????????

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /**
bogdanm 0:9b334a45a8ff 2 ******************************************************************************
bogdanm 0:9b334a45a8ff 3 * @file stm32f1xx_hal_gpio_ex.c
bogdanm 0:9b334a45a8ff 4 * @author MCD Application Team
mbed_official 124:6a4a5b7d7324 5 * @version V1.0.4
mbed_official 124:6a4a5b7d7324 6 * @date 29-April-2016
bogdanm 0:9b334a45a8ff 7 * @brief GPIO Extension HAL module driver.
bogdanm 0:9b334a45a8ff 8 * This file provides firmware functions to manage the following
bogdanm 0:9b334a45a8ff 9 * functionalities of the General Purpose Input/Output (GPIO) extension peripheral.
bogdanm 0:9b334a45a8ff 10 * + Extended features functions
bogdanm 0:9b334a45a8ff 11 *
bogdanm 0:9b334a45a8ff 12 @verbatim
bogdanm 0:9b334a45a8ff 13 ==============================================================================
bogdanm 0:9b334a45a8ff 14 ##### GPIO Peripheral extension features #####
bogdanm 0:9b334a45a8ff 15 ==============================================================================
bogdanm 0:9b334a45a8ff 16 [..] GPIO module on STM32F1 family, manage also the AFIO register:
bogdanm 0:9b334a45a8ff 17 (+) Possibility to use the EVENTOUT Cortex feature
bogdanm 0:9b334a45a8ff 18
bogdanm 0:9b334a45a8ff 19 ##### How to use this driver #####
bogdanm 0:9b334a45a8ff 20 ==============================================================================
bogdanm 0:9b334a45a8ff 21 [..] This driver provides functions to use EVENTOUT Cortex feature
bogdanm 0:9b334a45a8ff 22 (#) Configure EVENTOUT Cortex feature using the function HAL_GPIOEx_ConfigEventout()
bogdanm 0:9b334a45a8ff 23 (#) Activate EVENTOUT Cortex feature using the HAL_GPIOEx_EnableEventout()
bogdanm 0:9b334a45a8ff 24 (#) Deactivate EVENTOUT Cortex feature using the HAL_GPIOEx_DisableEventout()
bogdanm 0:9b334a45a8ff 25
bogdanm 0:9b334a45a8ff 26 @endverbatim
bogdanm 0:9b334a45a8ff 27 ******************************************************************************
bogdanm 0:9b334a45a8ff 28 * @attention
bogdanm 0:9b334a45a8ff 29 *
mbed_official 124:6a4a5b7d7324 30 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
bogdanm 0:9b334a45a8ff 31 *
bogdanm 0:9b334a45a8ff 32 * Redistribution and use in source and binary forms, with or without modification,
bogdanm 0:9b334a45a8ff 33 * are permitted provided that the following conditions are met:
bogdanm 0:9b334a45a8ff 34 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 0:9b334a45a8ff 35 * this list of conditions and the following disclaimer.
bogdanm 0:9b334a45a8ff 36 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 0:9b334a45a8ff 37 * this list of conditions and the following disclaimer in the documentation
bogdanm 0:9b334a45a8ff 38 * and/or other materials provided with the distribution.
bogdanm 0:9b334a45a8ff 39 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm 0:9b334a45a8ff 40 * may be used to endorse or promote products derived from this software
bogdanm 0:9b334a45a8ff 41 * without specific prior written permission.
bogdanm 0:9b334a45a8ff 42 *
bogdanm 0:9b334a45a8ff 43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 0:9b334a45a8ff 44 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 0:9b334a45a8ff 45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 0:9b334a45a8ff 46 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 0:9b334a45a8ff 47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 0:9b334a45a8ff 48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 0:9b334a45a8ff 49 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 0:9b334a45a8ff 50 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 0:9b334a45a8ff 51 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 0:9b334a45a8ff 52 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 0:9b334a45a8ff 53 *
bogdanm 0:9b334a45a8ff 54 ******************************************************************************
bogdanm 0:9b334a45a8ff 55 */
bogdanm 0:9b334a45a8ff 56
bogdanm 0:9b334a45a8ff 57 /* Includes ------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 58 #include "stm32f1xx_hal.h"
bogdanm 0:9b334a45a8ff 59
bogdanm 0:9b334a45a8ff 60 /** @addtogroup STM32F1xx_HAL_Driver
bogdanm 0:9b334a45a8ff 61 * @{
bogdanm 0:9b334a45a8ff 62 */
bogdanm 0:9b334a45a8ff 63
bogdanm 0:9b334a45a8ff 64 /** @defgroup GPIOEx GPIOEx
bogdanm 0:9b334a45a8ff 65 * @brief GPIO HAL module driver
bogdanm 0:9b334a45a8ff 66 * @{
bogdanm 0:9b334a45a8ff 67 */
bogdanm 0:9b334a45a8ff 68
bogdanm 0:9b334a45a8ff 69 #ifdef HAL_GPIO_MODULE_ENABLED
bogdanm 0:9b334a45a8ff 70
bogdanm 0:9b334a45a8ff 71 /** @defgroup GPIOEx_Exported_Functions GPIOEx Exported Functions
bogdanm 0:9b334a45a8ff 72 * @{
bogdanm 0:9b334a45a8ff 73 */
bogdanm 0:9b334a45a8ff 74
bogdanm 0:9b334a45a8ff 75 /** @defgroup GPIOEx_Exported_Functions_Group1 Extended features functions
bogdanm 0:9b334a45a8ff 76 * @brief Extended features functions
bogdanm 0:9b334a45a8ff 77 *
bogdanm 0:9b334a45a8ff 78 @verbatim
bogdanm 0:9b334a45a8ff 79 ==============================================================================
bogdanm 0:9b334a45a8ff 80 ##### Extended features functions #####
bogdanm 0:9b334a45a8ff 81 ==============================================================================
bogdanm 0:9b334a45a8ff 82 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 83 (+) Configure EVENTOUT Cortex feature using the function HAL_GPIOEx_ConfigEventout()
bogdanm 0:9b334a45a8ff 84 (+) Activate EVENTOUT Cortex feature using the HAL_GPIOEx_EnableEventout()
bogdanm 0:9b334a45a8ff 85 (+) Deactivate EVENTOUT Cortex feature using the HAL_GPIOEx_DisableEventout()
bogdanm 0:9b334a45a8ff 86
bogdanm 0:9b334a45a8ff 87 @endverbatim
bogdanm 0:9b334a45a8ff 88 * @{
bogdanm 0:9b334a45a8ff 89 */
bogdanm 0:9b334a45a8ff 90
bogdanm 0:9b334a45a8ff 91 /**
bogdanm 0:9b334a45a8ff 92 * @brief Configures the port and pin on which the EVENTOUT Cortex signal will be connected.
bogdanm 0:9b334a45a8ff 93 * @param GPIO_PortSource Select the port used to output the Cortex EVENTOUT signal.
bogdanm 0:9b334a45a8ff 94 * This parameter can be a value of @ref GPIOEx_EVENTOUT_PORT.
bogdanm 0:9b334a45a8ff 95 * @param GPIO_PinSource Select the pin used to output the Cortex EVENTOUT signal.
bogdanm 0:9b334a45a8ff 96 * This parameter can be a value of @ref GPIOEx_EVENTOUT_PIN.
bogdanm 0:9b334a45a8ff 97 * @retval None
bogdanm 0:9b334a45a8ff 98 */
bogdanm 0:9b334a45a8ff 99 void HAL_GPIOEx_ConfigEventout(uint32_t GPIO_PortSource, uint32_t GPIO_PinSource)
bogdanm 0:9b334a45a8ff 100 {
bogdanm 0:9b334a45a8ff 101 /* Verify the parameters */
bogdanm 0:9b334a45a8ff 102 assert_param(IS_AFIO_EVENTOUT_PORT(GPIO_PortSource));
bogdanm 0:9b334a45a8ff 103 assert_param(IS_AFIO_EVENTOUT_PIN(GPIO_PinSource));
bogdanm 0:9b334a45a8ff 104
bogdanm 0:9b334a45a8ff 105 /* Apply the new configuration */
bogdanm 0:9b334a45a8ff 106 MODIFY_REG(AFIO->EVCR, (AFIO_EVCR_PORT)|(AFIO_EVCR_PIN), (GPIO_PortSource)|(GPIO_PinSource));
bogdanm 0:9b334a45a8ff 107 }
bogdanm 0:9b334a45a8ff 108
bogdanm 0:9b334a45a8ff 109 /**
bogdanm 0:9b334a45a8ff 110 * @brief Enables the Event Output.
bogdanm 0:9b334a45a8ff 111 * @retval None
bogdanm 0:9b334a45a8ff 112 */
bogdanm 0:9b334a45a8ff 113 void HAL_GPIOEx_EnableEventout(void)
bogdanm 0:9b334a45a8ff 114 {
bogdanm 0:9b334a45a8ff 115 SET_BIT(AFIO->EVCR, AFIO_EVCR_EVOE);
bogdanm 0:9b334a45a8ff 116 }
bogdanm 0:9b334a45a8ff 117
bogdanm 0:9b334a45a8ff 118 /**
bogdanm 0:9b334a45a8ff 119 * @brief Disables the Event Output.
bogdanm 0:9b334a45a8ff 120 * @retval None
bogdanm 0:9b334a45a8ff 121 */
bogdanm 0:9b334a45a8ff 122 void HAL_GPIOEx_DisableEventout(void)
bogdanm 0:9b334a45a8ff 123 {
bogdanm 0:9b334a45a8ff 124 CLEAR_BIT(AFIO->EVCR, AFIO_EVCR_EVOE);
bogdanm 0:9b334a45a8ff 125 }
bogdanm 0:9b334a45a8ff 126
bogdanm 0:9b334a45a8ff 127 /**
bogdanm 0:9b334a45a8ff 128 * @}
bogdanm 0:9b334a45a8ff 129 */
bogdanm 0:9b334a45a8ff 130
bogdanm 0:9b334a45a8ff 131 /**
bogdanm 0:9b334a45a8ff 132 * @}
bogdanm 0:9b334a45a8ff 133 */
bogdanm 0:9b334a45a8ff 134
bogdanm 0:9b334a45a8ff 135 #endif /* HAL_GPIO_MODULE_ENABLED */
bogdanm 0:9b334a45a8ff 136
bogdanm 0:9b334a45a8ff 137 /**
bogdanm 0:9b334a45a8ff 138 * @}
bogdanm 0:9b334a45a8ff 139 */
bogdanm 0:9b334a45a8ff 140
bogdanm 0:9b334a45a8ff 141 /**
bogdanm 0:9b334a45a8ff 142 * @}
bogdanm 0:9b334a45a8ff 143 */
bogdanm 0:9b334a45a8ff 144
bogdanm 0:9b334a45a8ff 145 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/