From 75abee206d1a575aa98a486d043c94d64df432c1 Mon Sep 17 00:00:00 2001 From: Damien George Date: Sun, 26 Jan 2014 17:41:01 +0000 Subject: stm: USB host mode working! Restructure stm library directories. --- stm/lib/stm32f4xx_exti.c | 312 ----------------------------------------------- 1 file changed, 312 deletions(-) delete mode 100644 stm/lib/stm32f4xx_exti.c (limited to 'stm/lib/stm32f4xx_exti.c') diff --git a/stm/lib/stm32f4xx_exti.c b/stm/lib/stm32f4xx_exti.c deleted file mode 100644 index 4eb676417..000000000 --- a/stm/lib/stm32f4xx_exti.c +++ /dev/null @@ -1,312 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f4xx_exti.c - * @author MCD Application Team - * @version V1.3.0 - * @date 08-November-2013 - * @brief This file provides firmware functions to manage the following - * functionalities of the EXTI peripheral: - * + Initialization and Configuration - * + Interrupts and flags management - * -@verbatim - - =================================================================== - ##### EXTI features ##### - =================================================================== - - [..] External interrupt/event lines are mapped as following: - (#) All available GPIO pins are connected to the 16 external - interrupt/event lines from EXTI0 to EXTI15. - (#) EXTI line 16 is connected to the PVD Output - (#) EXTI line 17 is connected to the RTC Alarm event - (#) EXTI line 18 is connected to the USB OTG FS Wakeup from suspend event - (#) EXTI line 19 is connected to the Ethernet Wakeup event - (#) EXTI line 20 is connected to the USB OTG HS (configured in FS) Wakeup event - (#) EXTI line 21 is connected to the RTC Tamper and Time Stamp events - (#) EXTI line 22 is connected to the RTC Wakeup event - - - ##### How to use this driver ##### - =================================================================== - - [..] In order to use an I/O pin as an external interrupt source, follow steps - below: - (#) Configure the I/O in input mode using GPIO_Init() - (#) Select the input source pin for the EXTI line using SYSCFG_EXTILineConfig() - (#) Select the mode(interrupt, event) and configure the trigger - selection (Rising, falling or both) using EXTI_Init() - (#) Configure NVIC IRQ channel mapped to the EXTI line using NVIC_Init() - - [..] - (@) SYSCFG APB clock must be enabled to get write access to SYSCFG_EXTICRx - registers using RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE); - -@endverbatim - * - ****************************************************************************** - * @attention - * - *

© COPYRIGHT 2013 STMicroelectronics

- * - * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); - * You may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.st.com/software_license_agreement_liberty_v2 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f4xx_exti.h" - -/** @addtogroup STM32F4xx_StdPeriph_Driver - * @{ - */ - -/** @defgroup EXTI - * @brief EXTI driver modules - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ - -#define EXTI_LINENONE ((uint32_t)0x00000) /* No interrupt selected */ - -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/** @defgroup EXTI_Private_Functions - * @{ - */ - -/** @defgroup EXTI_Group1 Initialization and Configuration functions - * @brief Initialization and Configuration functions - * -@verbatim - =============================================================================== - ##### Initialization and Configuration functions ##### - =============================================================================== - -@endverbatim - * @{ - */ - -/** - * @brief Deinitializes the EXTI peripheral registers to their default reset values. - * @param None - * @retval None - */ -void EXTI_DeInit(void) -{ - EXTI->IMR = 0x00000000; - EXTI->EMR = 0x00000000; - EXTI->RTSR = 0x00000000; - EXTI->FTSR = 0x00000000; - EXTI->PR = 0x007FFFFF; -} - -/** - * @brief Initializes the EXTI peripheral according to the specified - * parameters in the EXTI_InitStruct. - * @param EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure - * that contains the configuration information for the EXTI peripheral. - * @retval None - */ -void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct) -{ - uint32_t tmp = 0; - - /* Check the parameters */ - assert_param(IS_EXTI_MODE(EXTI_InitStruct->EXTI_Mode)); - assert_param(IS_EXTI_TRIGGER(EXTI_InitStruct->EXTI_Trigger)); - assert_param(IS_EXTI_LINE(EXTI_InitStruct->EXTI_Line)); - assert_param(IS_FUNCTIONAL_STATE(EXTI_InitStruct->EXTI_LineCmd)); - - tmp = (uint32_t)EXTI_BASE; - - if (EXTI_InitStruct->EXTI_LineCmd != DISABLE) - { - /* Clear EXTI line configuration */ - EXTI->IMR &= ~EXTI_InitStruct->EXTI_Line; - EXTI->EMR &= ~EXTI_InitStruct->EXTI_Line; - - tmp += EXTI_InitStruct->EXTI_Mode; - - *(__IO uint32_t *) tmp |= EXTI_InitStruct->EXTI_Line; - - /* Clear Rising Falling edge configuration */ - EXTI->RTSR &= ~EXTI_InitStruct->EXTI_Line; - EXTI->FTSR &= ~EXTI_InitStruct->EXTI_Line; - - /* Select the trigger for the selected external interrupts */ - if (EXTI_InitStruct->EXTI_Trigger == EXTI_Trigger_Rising_Falling) - { - /* Rising Falling edge */ - EXTI->RTSR |= EXTI_InitStruct->EXTI_Line; - EXTI->FTSR |= EXTI_InitStruct->EXTI_Line; - } - else - { - tmp = (uint32_t)EXTI_BASE; - tmp += EXTI_InitStruct->EXTI_Trigger; - - *(__IO uint32_t *) tmp |= EXTI_InitStruct->EXTI_Line; - } - } - else - { - tmp += EXTI_InitStruct->EXTI_Mode; - - /* Disable the selected external lines */ - *(__IO uint32_t *) tmp &= ~EXTI_InitStruct->EXTI_Line; - } -} - -/** - * @brief Fills each EXTI_InitStruct member with its reset value. - * @param EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure which will - * be initialized. - * @retval None - */ -void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct) -{ - EXTI_InitStruct->EXTI_Line = EXTI_LINENONE; - EXTI_InitStruct->EXTI_Mode = EXTI_Mode_Interrupt; - EXTI_InitStruct->EXTI_Trigger = EXTI_Trigger_Falling; - EXTI_InitStruct->EXTI_LineCmd = DISABLE; -} - -/** - * @brief Generates a Software interrupt on selected EXTI line. - * @param EXTI_Line: specifies the EXTI line on which the software interrupt - * will be generated. - * This parameter can be any combination of EXTI_Linex where x can be (0..22) - * @retval None - */ -void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line) -{ - /* Check the parameters */ - assert_param(IS_EXTI_LINE(EXTI_Line)); - - EXTI->SWIER |= EXTI_Line; -} - -/** - * @} - */ - -/** @defgroup EXTI_Group2 Interrupts and flags management functions - * @brief Interrupts and flags management functions - * -@verbatim - =============================================================================== - ##### Interrupts and flags management functions ##### - =============================================================================== - -@endverbatim - * @{ - */ - -/** - * @brief Checks whether the specified EXTI line flag is set or not. - * @param EXTI_Line: specifies the EXTI line flag to check. - * This parameter can be EXTI_Linex where x can be(0..22) - * @retval The new state of EXTI_Line (SET or RESET). - */ -FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line) -{ - FlagStatus bitstatus = RESET; - /* Check the parameters */ - assert_param(IS_GET_EXTI_LINE(EXTI_Line)); - - if ((EXTI->PR & EXTI_Line) != (uint32_t)RESET) - { - bitstatus = SET; - } - else - { - bitstatus = RESET; - } - return bitstatus; -} - -/** - * @brief Clears the EXTI's line pending flags. - * @param EXTI_Line: specifies the EXTI lines flags to clear. - * This parameter can be any combination of EXTI_Linex where x can be (0..22) - * @retval None - */ -void EXTI_ClearFlag(uint32_t EXTI_Line) -{ - /* Check the parameters */ - assert_param(IS_EXTI_LINE(EXTI_Line)); - - EXTI->PR = EXTI_Line; -} - -/** - * @brief Checks whether the specified EXTI line is asserted or not. - * @param EXTI_Line: specifies the EXTI line to check. - * This parameter can be EXTI_Linex where x can be(0..22) - * @retval The new state of EXTI_Line (SET or RESET). - */ -ITStatus EXTI_GetITStatus(uint32_t EXTI_Line) -{ - FlagStatus bitstatus = RESET; - /* Check the parameters */ - assert_param(IS_GET_EXTI_LINE(EXTI_Line)); - - if ((EXTI->PR & EXTI_Line) != (uint32_t)RESET) - { - bitstatus = SET; - } - else - { - bitstatus = RESET; - } - return bitstatus; - -} - -/** - * @brief Clears the EXTI's line pending bits. - * @param EXTI_Line: specifies the EXTI lines to clear. - * This parameter can be any combination of EXTI_Linex where x can be (0..22) - * @retval None - */ -void EXTI_ClearITPendingBit(uint32_t EXTI_Line) -{ - /* Check the parameters */ - assert_param(IS_EXTI_LINE(EXTI_Line)); - - EXTI->PR = EXTI_Line; -} - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3