From 43b94a6ada83454c3404bda019ec114f97379c82 Mon Sep 17 00:00:00 2001 From: "Pavel V. Shatov" Date: Thu, 27 Aug 2015 00:01:24 +0400 Subject: Initial version of FMC driver for STM32. --- .../Src/stm32f4xx_hal_fmpi2c_ex.c | 326 +++++++++++++++++++++ 1 file changed, 326 insertions(+) create mode 100644 Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c_ex.c (limited to 'Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c_ex.c') diff --git a/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c_ex.c b/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c_ex.c new file mode 100644 index 0000000..cf304b7 --- /dev/null +++ b/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c_ex.c @@ -0,0 +1,326 @@ +/** + ****************************************************************************** + * @file stm32f4xx_hal_fmpi2c_ex.c + * @author MCD Application Team + * @version V1.3.2 + * @date 26-June-2015 + * @brief Extended FMPI2C HAL module driver. + * + * This file provides firmware functions to manage the following + * functionalities of the Inter Integrated Circuit (FMPI2C) peripheral: + * + Extended Control methods + * + @verbatim + ============================================================================== + ##### FMPI2C peripheral extended features ##### + ============================================================================== + + [..] Comparing to other previous devices, the FMPI2C interface for STM32L4XX + devices contains the following additional features + + (+) Possibility to disable or enable Analog Noise Filter + (+) Use of a configured Digital Noise Filter + (+) Disable or enable wakeup from Stop mode + + ##### How to use this driver ##### + ============================================================================== + [..] This driver provides functions to configure Noise Filter + + @endverbatim + ****************************************************************************** + * @attention + * + *

© COPYRIGHT(c) 2015 STMicroelectronics

+ * + * 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 "stm32f4xx_hal.h" + +/** @addtogroup STM32F4xx_HAL_Driver + * @{ + */ + +/** @defgroup FMPI2CEx FMPI2CEx + * @brief FMPI2C HAL module driver + * @{ + */ + +#ifdef HAL_FMPI2C_MODULE_ENABLED + +#if defined(STM32F446xx) + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Exported functions --------------------------------------------------------*/ + +/** @defgroup FMPI2CEx_Exported_Functions FMPI2C Extended Exported Functions + * @{ + */ + + +/** @defgroup FMPI2CEx_Exported_Functions_Group1 Peripheral Control methods + * @brief management functions + * +@verbatim + =============================================================================== + ##### Extension features functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Configure Noise Filters + +@endverbatim + * @{ + */ + +/** + * @brief Configures FMPI2C Analog noise filter. + * @param hfmpi2c : pointer to a FMPI2C_HandleTypeDef structure that contains + * the configuration information for the specified FMPI2Cx peripheral. + * @param AnalogFilter : new state of the Analog filter. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_FMPI2CEx_AnalogFilter_Config(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t AnalogFilter) +{ + /* Check the parameters */ + assert_param(IS_FMPI2C_ALL_INSTANCE(hfmpi2c->Instance)); + assert_param(IS_FMPI2C_ANALOG_FILTER(AnalogFilter)); + + if((hfmpi2c->State == HAL_FMPI2C_STATE_BUSY) || (hfmpi2c->State == HAL_FMPI2C_STATE_MASTER_BUSY_TX) || (hfmpi2c->State == HAL_FMPI2C_STATE_MASTER_BUSY_RX) + || (hfmpi2c->State == HAL_FMPI2C_STATE_SLAVE_BUSY_TX) || (hfmpi2c->State == HAL_FMPI2C_STATE_SLAVE_BUSY_RX)) + { + return HAL_BUSY; + } + + /* Process Locked */ + __HAL_LOCK(hfmpi2c); + + hfmpi2c->State = HAL_FMPI2C_STATE_BUSY; + + /* Disable the selected FMPI2C peripheral */ + __HAL_FMPI2C_DISABLE(hfmpi2c); + + /* Reset FMPI2Cx ANOFF bit */ + hfmpi2c->Instance->CR1 &= ~(FMPI2C_CR1_ANFOFF); + + /* Set analog filter bit*/ + hfmpi2c->Instance->CR1 |= AnalogFilter; + + __HAL_FMPI2C_ENABLE(hfmpi2c); + + hfmpi2c->State = HAL_FMPI2C_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hfmpi2c); + + return HAL_OK; +} + +/** + * @brief Configures FMPI2C Digital noise filter. + * @param hfmpi2c : pointer to a FMPI2C_HandleTypeDef structure that contains + * the configuration information for the specified FMPI2Cx peripheral. + * @param DigitalFilter : Coefficient of digital noise filter between 0x00 and 0x0F. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_FMPI2CEx_DigitalFilter_Config(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t DigitalFilter) +{ + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_FMPI2C_ALL_INSTANCE(hfmpi2c->Instance)); + assert_param(IS_FMPI2C_DIGITAL_FILTER(DigitalFilter)); + + if((hfmpi2c->State == HAL_FMPI2C_STATE_BUSY) || (hfmpi2c->State == HAL_FMPI2C_STATE_MASTER_BUSY_TX) || (hfmpi2c->State == HAL_FMPI2C_STATE_MASTER_BUSY_RX) + || (hfmpi2c->State == HAL_FMPI2C_STATE_SLAVE_BUSY_TX) || (hfmpi2c->State == HAL_FMPI2C_STATE_SLAVE_BUSY_RX)) + { + return HAL_BUSY; + } + + /* Process Locked */ + __HAL_LOCK(hfmpi2c); + + hfmpi2c->State = HAL_FMPI2C_STATE_BUSY; + + /* Disable the selected FMPI2C peripheral */ + __HAL_FMPI2C_DISABLE(hfmpi2c); + + /* Get the old register value */ + tmpreg = hfmpi2c->Instance->CR1; + + /* Reset FMPI2Cx DNF bits [11:8] */ + tmpreg &= ~(FMPI2C_CR1_DFN); + + /* Set FMPI2Cx DNF coefficient */ + tmpreg |= DigitalFilter << 8; + + /* Store the new register value */ + hfmpi2c->Instance->CR1 = tmpreg; + + __HAL_FMPI2C_ENABLE(hfmpi2c); + + hfmpi2c->State = HAL_FMPI2C_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hfmpi2c); + + return HAL_OK; +} + +/** + * @brief Enables FMPI2C wakeup from stop mode. + * @param hfmpi2c : pointer to a FMPI2C_HandleTypeDef structure that contains + * the configuration information for the specified FMPI2Cx peripheral. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_FMPI2CEx_EnableWakeUp (FMPI2C_HandleTypeDef *hfmpi2c) +{ + /* Check the parameters */ + assert_param(IS_FMPI2C_ALL_INSTANCE(hfmpi2c->Instance)); + + if((hfmpi2c->State == HAL_FMPI2C_STATE_BUSY) || (hfmpi2c->State == HAL_FMPI2C_STATE_MASTER_BUSY_TX) || (hfmpi2c->State == HAL_FMPI2C_STATE_MASTER_BUSY_RX) + || (hfmpi2c->State == HAL_FMPI2C_STATE_SLAVE_BUSY_TX) || (hfmpi2c->State == HAL_FMPI2C_STATE_SLAVE_BUSY_RX)) + { + return HAL_BUSY; + } + + /* Process Locked */ + __HAL_LOCK(hfmpi2c); + + hfmpi2c->State = HAL_FMPI2C_STATE_BUSY; + + /* Disable the selected FMPI2C peripheral */ + __HAL_FMPI2C_DISABLE(hfmpi2c); + + /* Enable wakeup from stop mode */ + hfmpi2c->Instance->CR1 |= FMPI2C_CR1_WUPEN; + + __HAL_FMPI2C_ENABLE(hfmpi2c); + + hfmpi2c->State = HAL_FMPI2C_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hfmpi2c); + + return HAL_OK; +} + + +/** + * @brief Disables FMPI2C wakeup from stop mode. + * @param hfmpi2c : pointer to a FMPI2C_HandleTypeDef structure that contains + * the configuration information for the specified FMPI2Cx peripheral. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_FMPI2CEx_DisableWakeUp (FMPI2C_HandleTypeDef *hfmpi2c) +{ + /* Check the parameters */ + assert_param(IS_FMPI2C_ALL_INSTANCE(hfmpi2c->Instance)); + + if((hfmpi2c->State == HAL_FMPI2C_STATE_BUSY) || (hfmpi2c->State == HAL_FMPI2C_STATE_MASTER_BUSY_TX) || (hfmpi2c->State == HAL_FMPI2C_STATE_MASTER_BUSY_RX) + || (hfmpi2c->State == HAL_FMPI2C_STATE_SLAVE_BUSY_TX) || (hfmpi2c->State == HAL_FMPI2C_STATE_SLAVE_BUSY_RX)) + { + return HAL_BUSY; + } + + /* Process Locked */ + __HAL_LOCK(hfmpi2c); + + hfmpi2c->State = HAL_FMPI2C_STATE_BUSY; + + /* Disable the selected FMPI2C peripheral */ + __HAL_FMPI2C_DISABLE(hfmpi2c); + + /* Enable wakeup from stop mode */ + hfmpi2c->Instance->CR1 &= ~(FMPI2C_CR1_WUPEN); + + __HAL_FMPI2C_ENABLE(hfmpi2c); + + hfmpi2c->State = HAL_FMPI2C_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hfmpi2c); + + return HAL_OK; +} + +/** + * @brief Enable the FMPI2C1 fast mode plus driving capability. + * @param ConfigFastModePlus: selects the pin. + * This parameter can be one of the @ref FMPI2CEx_FastModePlus values + * @retval None + */ +void HAL_FMPI2CEx_EnableFastModePlus(uint32_t ConfigFastModePlus) +{ + /* Check the parameter */ + assert_param(IS_FMPI2C_FASTMODEPLUS(ConfigFastModePlus)); + + /* Enable SYSCFG clock */ + __HAL_RCC_SYSCFG_CLK_ENABLE(); + + /* Enable fast mode plus driving capability for selected pin */ + SET_BIT(SYSCFG->CFGR, (uint32_t)ConfigFastModePlus); +} + +/** + * @brief Disable the FMPI2C1 fast mode plus driving capability. + * @param ConfigFastModePlus: selects the pin. + * This parameter can be one of the @ref FMPI2CEx_FastModePlus values + * @retval None + */ +void HAL_FMPI2CEx_DisableFastModePlus(uint32_t ConfigFastModePlus) +{ + /* Check the parameter */ + assert_param(IS_FMPI2C_FASTMODEPLUS(ConfigFastModePlus)); + + /* Enable SYSCFG clock */ + __HAL_RCC_SYSCFG_CLK_ENABLE(); + + /* Disable fast mode plus driving capability for selected pin */ + CLEAR_BIT(SYSCFG->CFGR, (uint32_t)ConfigFastModePlus); +} + +/** + * @} + */ + +/** + * @} + */ +#endif /* STM32F446xx */ +#endif /* HAL_FMPI2C_MODULE_ENABLED */ +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3