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_gpio.c | 611 ----------------------------------------------- 1 file changed, 611 deletions(-) delete mode 100644 stm/lib/stm32f4xx_gpio.c (limited to 'stm/lib/stm32f4xx_gpio.c') diff --git a/stm/lib/stm32f4xx_gpio.c b/stm/lib/stm32f4xx_gpio.c deleted file mode 100644 index c099e948ef..0000000000 --- a/stm/lib/stm32f4xx_gpio.c +++ /dev/null @@ -1,611 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f4xx_gpio.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 GPIO peripheral: - * + Initialization and Configuration - * + GPIO Read and Write - * + GPIO Alternate functions configuration - * -@verbatim - =============================================================================== - ##### How to use this driver ##### - =============================================================================== - [..] - (#) Enable the GPIO AHB clock using the following function - RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOx, ENABLE); - - (#) Configure the GPIO pin(s) using GPIO_Init() - Four possible configuration are available for each pin: - (++) Input: Floating, Pull-up, Pull-down. - (++) Output: Push-Pull (Pull-up, Pull-down or no Pull) - Open Drain (Pull-up, Pull-down or no Pull). In output mode, the speed - is configurable: 2 MHz, 25 MHz, 50 MHz or 100 MHz. - (++) Alternate Function: Push-Pull (Pull-up, Pull-down or no Pull) Open - Drain (Pull-up, Pull-down or no Pull). - (++) Analog: required mode when a pin is to be used as ADC channel or DAC - output. - - (#) Peripherals alternate function: - (++) For ADC and DAC, configure the desired pin in analog mode using - GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AN; - (+++) For other peripherals (TIM, USART...): - (+++) Connect the pin to the desired peripherals' Alternate - Function (AF) using GPIO_PinAFConfig() function - (+++) Configure the desired pin in alternate function mode using - GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF - (+++) Select the type, pull-up/pull-down and output speed via - GPIO_PuPd, GPIO_OType and GPIO_Speed members - (+++) Call GPIO_Init() function - - (#) To get the level of a pin configured in input mode use GPIO_ReadInputDataBit() - - (#) To set/reset the level of a pin configured in output mode use - GPIO_SetBits()/GPIO_ResetBits() - - (#) During and just after reset, the alternate functions are not - active and the GPIO pins are configured in input floating mode (except JTAG - pins). - - (#) The LSE oscillator pins OSC32_IN and OSC32_OUT can be used as general purpose - (PC14 and PC15, respectively) when the LSE oscillator is off. The LSE has - priority over the GPIO function. - - (#) The HSE oscillator pins OSC_IN/OSC_OUT can be used as - general purpose PH0 and PH1, respectively, when the HSE oscillator is off. - The HSE has priority over the GPIO function. - -@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_gpio.h" -#include "stm32f4xx_rcc.h" - -/** @addtogroup STM32F4xx_StdPeriph_Driver - * @{ - */ - -/** @defgroup GPIO - * @brief GPIO driver modules - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/** @defgroup GPIO_Private_Functions - * @{ - */ - -/** @defgroup GPIO_Group1 Initialization and Configuration - * @brief Initialization and Configuration - * -@verbatim - =============================================================================== - ##### Initialization and Configuration ##### - =============================================================================== - -@endverbatim - * @{ - */ - -/** - * @brief De-initializes the GPIOx peripheral registers to their default reset values. - * @note By default, The GPIO pins are configured in input floating mode (except JTAG pins). - * @param GPIOx: where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices - * x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. - * x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices. - * @retval None - */ -void GPIO_DeInit(GPIO_TypeDef* GPIOx) -{ - /* Check the parameters */ - assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); - - if (GPIOx == GPIOA) - { - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOA, ENABLE); - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOA, DISABLE); - } - else if (GPIOx == GPIOB) - { - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOB, ENABLE); - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOB, DISABLE); - } - else if (GPIOx == GPIOC) - { - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOC, ENABLE); - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOC, DISABLE); - } - else if (GPIOx == GPIOD) - { - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOD, ENABLE); - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOD, DISABLE); - } - else if (GPIOx == GPIOE) - { - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOE, ENABLE); - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOE, DISABLE); - } - else if (GPIOx == GPIOF) - { - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOF, ENABLE); - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOF, DISABLE); - } - else if (GPIOx == GPIOG) - { - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOG, ENABLE); - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOG, DISABLE); - } - else if (GPIOx == GPIOH) - { - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOH, ENABLE); - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOH, DISABLE); - } - - else if (GPIOx == GPIOI) - { - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOI, ENABLE); - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOI, DISABLE); - } - else if (GPIOx == GPIOJ) - { - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOJ, ENABLE); - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOJ, DISABLE); - } - else - { - if (GPIOx == GPIOK) - { - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOK, ENABLE); - RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOK, DISABLE); - } - } -} - -/** - * @brief Initializes the GPIOx peripheral according to the specified parameters in the GPIO_InitStruct. - * @param GPIOx: where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices - * x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. - * x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices. - * @param GPIO_InitStruct: pointer to a GPIO_InitTypeDef structure that contains - * the configuration information for the specified GPIO peripheral. - * @retval None - */ -void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct) -{ - uint32_t pinpos = 0x00, pos = 0x00 , currentpin = 0x00; - - /* Check the parameters */ - assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); - assert_param(IS_GPIO_PIN(GPIO_InitStruct->GPIO_Pin)); - assert_param(IS_GPIO_MODE(GPIO_InitStruct->GPIO_Mode)); - assert_param(IS_GPIO_PUPD(GPIO_InitStruct->GPIO_PuPd)); - - /* ------------------------- Configure the port pins ---------------- */ - /*-- GPIO Mode Configuration --*/ - for (pinpos = 0x00; pinpos < 0x10; pinpos++) - { - pos = ((uint32_t)0x01) << pinpos; - /* Get the port pins position */ - currentpin = (GPIO_InitStruct->GPIO_Pin) & pos; - - if (currentpin == pos) - { - GPIOx->MODER &= ~(GPIO_MODER_MODER0 << (pinpos * 2)); - GPIOx->MODER |= (((uint32_t)GPIO_InitStruct->GPIO_Mode) << (pinpos * 2)); - - if ((GPIO_InitStruct->GPIO_Mode == GPIO_Mode_OUT) || (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_AF)) - { - /* Check Speed mode parameters */ - assert_param(IS_GPIO_SPEED(GPIO_InitStruct->GPIO_Speed)); - - /* Speed mode configuration */ - GPIOx->OSPEEDR &= ~(GPIO_OSPEEDER_OSPEEDR0 << (pinpos * 2)); - GPIOx->OSPEEDR |= ((uint32_t)(GPIO_InitStruct->GPIO_Speed) << (pinpos * 2)); - - /* Check Output mode parameters */ - assert_param(IS_GPIO_OTYPE(GPIO_InitStruct->GPIO_OType)); - - /* Output mode configuration*/ - GPIOx->OTYPER &= ~((GPIO_OTYPER_OT_0) << ((uint16_t)pinpos)) ; - GPIOx->OTYPER |= (uint16_t)(((uint16_t)GPIO_InitStruct->GPIO_OType) << ((uint16_t)pinpos)); - } - - /* Pull-up Pull down resistor configuration*/ - GPIOx->PUPDR &= ~(GPIO_PUPDR_PUPDR0 << ((uint16_t)pinpos * 2)); - GPIOx->PUPDR |= (((uint32_t)GPIO_InitStruct->GPIO_PuPd) << (pinpos * 2)); - } - } -} - -/** - * @brief Fills each GPIO_InitStruct member with its default value. - * @param GPIO_InitStruct : pointer to a GPIO_InitTypeDef structure which will be initialized. - * @retval None - */ -void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct) -{ - /* Reset GPIO init structure parameters values */ - GPIO_InitStruct->GPIO_Pin = GPIO_Pin_All; - GPIO_InitStruct->GPIO_Mode = GPIO_Mode_IN; - GPIO_InitStruct->GPIO_Speed = GPIO_Speed_2MHz; - GPIO_InitStruct->GPIO_OType = GPIO_OType_PP; - GPIO_InitStruct->GPIO_PuPd = GPIO_PuPd_NOPULL; -} - -/** - * @brief Locks GPIO Pins configuration registers. - * @note The locked registers are GPIOx_MODER, GPIOx_OTYPER, GPIOx_OSPEEDR, - * GPIOx_PUPDR, GPIOx_AFRL and GPIOx_AFRH. - * @note The configuration of the locked GPIO pins can no longer be modified - * until the next reset. - * @param GPIOx: where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices - * x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. - * x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices. - * @param GPIO_Pin: specifies the port bit to be locked. - * This parameter can be any combination of GPIO_Pin_x where x can be (0..15). - * @retval None - */ -void GPIO_PinLockConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) -{ - __IO uint32_t tmp = 0x00010000; - - /* Check the parameters */ - assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); - assert_param(IS_GPIO_PIN(GPIO_Pin)); - - tmp |= GPIO_Pin; - /* Set LCKK bit */ - GPIOx->LCKR = tmp; - /* Reset LCKK bit */ - GPIOx->LCKR = GPIO_Pin; - /* Set LCKK bit */ - GPIOx->LCKR = tmp; - /* Read LCKK bit*/ - tmp = GPIOx->LCKR; - /* Read LCKK bit*/ - tmp = GPIOx->LCKR; -} - -/** - * @} - */ - -/** @defgroup GPIO_Group2 GPIO Read and Write - * @brief GPIO Read and Write - * -@verbatim - =============================================================================== - ##### GPIO Read and Write ##### - =============================================================================== - -@endverbatim - * @{ - */ - -/** - * @brief Reads the specified input port pin. - * @param GPIOx: where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices - * x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. - * x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices. - * @param GPIO_Pin: specifies the port bit to read. - * This parameter can be GPIO_Pin_x where x can be (0..15). - * @retval The input port pin value. - */ -uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) -{ - uint8_t bitstatus = 0x00; - - /* Check the parameters */ - assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); - assert_param(IS_GET_GPIO_PIN(GPIO_Pin)); - - if ((GPIOx->IDR & GPIO_Pin) != (uint32_t)Bit_RESET) - { - bitstatus = (uint8_t)Bit_SET; - } - else - { - bitstatus = (uint8_t)Bit_RESET; - } - return bitstatus; -} - -/** - * @brief Reads the specified GPIO input data port. - * @param GPIOx: where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices - * x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. - * x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices. - * @retval GPIO input data port value. - */ -uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx) -{ - /* Check the parameters */ - assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); - - return ((uint16_t)GPIOx->IDR); -} - -/** - * @brief Reads the specified output data port bit. - * @param GPIOx: where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices - * x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. - * x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices. - * @param GPIO_Pin: specifies the port bit to read. - * This parameter can be GPIO_Pin_x where x can be (0..15). - * @retval The output port pin value. - */ -uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) -{ - uint8_t bitstatus = 0x00; - - /* Check the parameters */ - assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); - assert_param(IS_GET_GPIO_PIN(GPIO_Pin)); - - if (((GPIOx->ODR) & GPIO_Pin) != (uint32_t)Bit_RESET) - { - bitstatus = (uint8_t)Bit_SET; - } - else - { - bitstatus = (uint8_t)Bit_RESET; - } - return bitstatus; -} - -/** - * @brief Reads the specified GPIO output data port. - * @param GPIOx: where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices - * x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. - * x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices. - * @retval GPIO output data port value. - */ -uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx) -{ - /* Check the parameters */ - assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); - - return ((uint16_t)GPIOx->ODR); -} - -/** - * @brief Sets the selected data port bits. - * @note This functions uses GPIOx_BSRR register to allow atomic read/modify - * accesses. In this way, there is no risk of an IRQ occurring between - * the read and the modify access. - * @param GPIOx: where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices - * x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. - * x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices. - * @param GPIO_Pin: specifies the port bits to be written. - * This parameter can be any combination of GPIO_Pin_x where x can be (0..15). - * @retval None - */ -void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) -{ - /* Check the parameters */ - assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); - assert_param(IS_GPIO_PIN(GPIO_Pin)); - - GPIOx->BSRRL = GPIO_Pin; -} - -/** - * @brief Clears the selected data port bits. - * @note This functions uses GPIOx_BSRR register to allow atomic read/modify - * accesses. In this way, there is no risk of an IRQ occurring between - * the read and the modify access. - * @param GPIOx: where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices - * x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. - * x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices. - * @param GPIO_Pin: specifies the port bits to be written. - * This parameter can be any combination of GPIO_Pin_x where x can be (0..15). - * @retval None - */ -void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) -{ - /* Check the parameters */ - assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); - assert_param(IS_GPIO_PIN(GPIO_Pin)); - - GPIOx->BSRRH = GPIO_Pin; -} - -/** - * @brief Sets or clears the selected data port bit. - * @param GPIOx: where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices - * x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. - * x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices. - * @param GPIO_Pin: specifies the port bit to be written. - * This parameter can be one of GPIO_Pin_x where x can be (0..15). - * @param BitVal: specifies the value to be written to the selected bit. - * This parameter can be one of the BitAction enum values: - * @arg Bit_RESET: to clear the port pin - * @arg Bit_SET: to set the port pin - * @retval None - */ -void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal) -{ - /* Check the parameters */ - assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); - assert_param(IS_GET_GPIO_PIN(GPIO_Pin)); - assert_param(IS_GPIO_BIT_ACTION(BitVal)); - - if (BitVal != Bit_RESET) - { - GPIOx->BSRRL = GPIO_Pin; - } - else - { - GPIOx->BSRRH = GPIO_Pin ; - } -} - -/** - * @brief Writes data to the specified GPIO data port. - * @param GPIOx: where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices - * x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. - * x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices. - * @param PortVal: specifies the value to be written to the port output data register. - * @retval None - */ -void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal) -{ - /* Check the parameters */ - assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); - - GPIOx->ODR = PortVal; -} - -/** - * @brief Toggles the specified GPIO pins.. - * @param GPIOx: where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices - * x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. - * x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices. - * @param GPIO_Pin: Specifies the pins to be toggled. - * @retval None - */ -void GPIO_ToggleBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) -{ - /* Check the parameters */ - assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); - - GPIOx->ODR ^= GPIO_Pin; -} - -/** - * @} - */ - -/** @defgroup GPIO_Group3 GPIO Alternate functions configuration function - * @brief GPIO Alternate functions configuration function - * -@verbatim - =============================================================================== - ##### GPIO Alternate functions configuration function ##### - =============================================================================== - -@endverbatim - * @{ - */ - -/** - * @brief Changes the mapping of the specified pin. - * @param GPIOx: where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices - * x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. - * x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices. - * @param GPIO_PinSource: specifies the pin for the Alternate function. - * This parameter can be GPIO_PinSourcex where x can be (0..15). - * @param GPIO_AFSelection: selects the pin to used as Alternate function. - * This parameter can be one of the following values: - * @arg GPIO_AF_RTC_50Hz: Connect RTC_50Hz pin to AF0 (default after reset) - * @arg GPIO_AF_MCO: Connect MCO pin (MCO1 and MCO2) to AF0 (default after reset) - * @arg GPIO_AF_TAMPER: Connect TAMPER pins (TAMPER_1 and TAMPER_2) to AF0 (default after reset) - * @arg GPIO_AF_SWJ: Connect SWJ pins (SWD and JTAG)to AF0 (default after reset) - * @arg GPIO_AF_TRACE: Connect TRACE pins to AF0 (default after reset) - * @arg GPIO_AF_TIM1: Connect TIM1 pins to AF1 - * @arg GPIO_AF_TIM2: Connect TIM2 pins to AF1 - * @arg GPIO_AF_TIM3: Connect TIM3 pins to AF2 - * @arg GPIO_AF_TIM4: Connect TIM4 pins to AF2 - * @arg GPIO_AF_TIM5: Connect TIM5 pins to AF2 - * @arg GPIO_AF_TIM8: Connect TIM8 pins to AF3 - * @arg GPIO_AF_TIM9: Connect TIM9 pins to AF3 - * @arg GPIO_AF_TIM10: Connect TIM10 pins to AF3 - * @arg GPIO_AF_TIM11: Connect TIM11 pins to AF3 - * @arg GPIO_AF_I2C1: Connect I2C1 pins to AF4 - * @arg GPIO_AF_I2C2: Connect I2C2 pins to AF4 - * @arg GPIO_AF_I2C3: Connect I2C3 pins to AF4 - * @arg GPIO_AF_SPI1: Connect SPI1 pins to AF5 - * @arg GPIO_AF_SPI2: Connect SPI2/I2S2 pins to AF5 - * @arg GPIO_AF_SPI4: Connect SPI4 pins to AF5 - * @arg GPIO_AF_SPI5: Connect SPI5 pins to AF5 - * @arg GPIO_AF_SPI6: Connect SPI6 pins to AF5 - * @arg GPIO_AF_SAI1: Connect SAI1 pins to AF6 for STM32F42xxx/43xxx devices. - * @arg GPIO_AF_SPI3: Connect SPI3/I2S3 pins to AF6 - * @arg GPIO_AF_I2S3ext: Connect I2S3ext pins to AF7 - * @arg GPIO_AF_USART1: Connect USART1 pins to AF7 - * @arg GPIO_AF_USART2: Connect USART2 pins to AF7 - * @arg GPIO_AF_USART3: Connect USART3 pins to AF7 - * @arg GPIO_AF_UART4: Connect UART4 pins to AF8 - * @arg GPIO_AF_UART5: Connect UART5 pins to AF8 - * @arg GPIO_AF_USART6: Connect USART6 pins to AF8 - * @arg GPIO_AF_UART7: Connect UART7 pins to AF8 - * @arg GPIO_AF_UART8: Connect UART8 pins to AF8 - * @arg GPIO_AF_CAN1: Connect CAN1 pins to AF9 - * @arg GPIO_AF_CAN2: Connect CAN2 pins to AF9 - * @arg GPIO_AF_TIM12: Connect TIM12 pins to AF9 - * @arg GPIO_AF_TIM13: Connect TIM13 pins to AF9 - * @arg GPIO_AF_TIM14: Connect TIM14 pins to AF9 - * @arg GPIO_AF_OTG_FS: Connect OTG_FS pins to AF10 - * @arg GPIO_AF_OTG_HS: Connect OTG_HS pins to AF10 - * @arg GPIO_AF_ETH: Connect ETHERNET pins to AF11 - * @arg GPIO_AF_FSMC: Connect FSMC pins to AF12 - * @arg GPIO_AF_FMC: Connect FMC pins to AF12 for STM32F42xxx/43xxx devices. - * @arg GPIO_AF_OTG_HS_FS: Connect OTG HS (configured in FS) pins to AF12 - * @arg GPIO_AF_SDIO: Connect SDIO pins to AF12 - * @arg GPIO_AF_DCMI: Connect DCMI pins to AF13 - * @arg GPIO_AF_LTDC: Connect LTDC pins to AF14 for STM32F429xx/439xx devices. - * @arg GPIO_AF_EVENTOUT: Connect EVENTOUT pins to AF15 - * @retval None - */ -void GPIO_PinAFConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_PinSource, uint8_t GPIO_AF) -{ - uint32_t temp = 0x00; - uint32_t temp_2 = 0x00; - - /* Check the parameters */ - assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); - assert_param(IS_GPIO_PIN_SOURCE(GPIO_PinSource)); - assert_param(IS_GPIO_AF(GPIO_AF)); - - temp = ((uint32_t)(GPIO_AF) << ((uint32_t)((uint32_t)GPIO_PinSource & (uint32_t)0x07) * 4)) ; - GPIOx->AFR[GPIO_PinSource >> 0x03] &= ~((uint32_t)0xF << ((uint32_t)((uint32_t)GPIO_PinSource & (uint32_t)0x07) * 4)) ; - temp_2 = GPIOx->AFR[GPIO_PinSource >> 0x03] | temp; - GPIOx->AFR[GPIO_PinSource >> 0x03] = temp_2; -} - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3