Diff: targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_ll_gpio.c

Revision:

156:95d6b41a828b

Child:

180:96ed750bd169

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_ll_gpio.c	Mon Jan 16 15:03:32 2017 +0000
@@ -0,0 +1,283 @@
+/**
+  ******************************************************************************
+  * @file    stm32f0xx_ll_gpio.c
+  * @author  MCD Application Team
+  * @version V1.4.0
+  * @date    27-May-2016
+  * @brief   GPIO LL module driver.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; 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.
+  *
+  ******************************************************************************
+  */
+#if defined(USE_FULL_LL_DRIVER)
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_ll_gpio.h"
+#include "stm32f0xx_ll_bus.h"
+#ifdef  USE_FULL_ASSERT
+#include "stm32_assert.h"
+#else
+#define assert_param(expr) ((void)0U)
+#endif
+
+/** @addtogroup STM32F0xx_LL_Driver
+  * @{
+  */
+
+#if defined (GPIOA) || defined (GPIOB) || defined (GPIOC) || defined (GPIOD) || defined (GPIOE) || defined (GPIOF)
+
+/** @addtogroup GPIO_LL
+  * @{
+  */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/* Private macros ------------------------------------------------------------*/
+/** @addtogroup GPIO_LL_Private_Macros
+  * @{
+  */
+#define IS_LL_GPIO_PIN(__VALUE__)          ((((uint32_t)0x00000000U) < (__VALUE__)) && ((__VALUE__) <= (LL_GPIO_PIN_ALL)))
+
+#define IS_LL_GPIO_MODE(__VALUE__)         (((__VALUE__) == LL_GPIO_MODE_INPUT)     ||\
+                                            ((__VALUE__) == LL_GPIO_MODE_OUTPUT)    ||\
+                                            ((__VALUE__) == LL_GPIO_MODE_ALTERNATE) ||\
+                                            ((__VALUE__) == LL_GPIO_MODE_ANALOG))
+
+#define IS_LL_GPIO_OUTPUT_TYPE(__VALUE__)  (((__VALUE__) == LL_GPIO_OUTPUT_PUSHPULL)  ||\
+                                            ((__VALUE__) == LL_GPIO_OUTPUT_OPENDRAIN))
+
+#define IS_LL_GPIO_SPEED(__VALUE__)        (((__VALUE__) == LL_GPIO_SPEED_FREQ_LOW)       ||\
+                                            ((__VALUE__) == LL_GPIO_SPEED_FREQ_MEDIUM)    ||\
+                                            ((__VALUE__) == LL_GPIO_SPEED_FREQ_HIGH)      ||\
+                                            ((__VALUE__) == LL_GPIO_SPEED_FREQ_VERY_HIGH))
+
+#define IS_LL_GPIO_PULL(__VALUE__)         (((__VALUE__) == LL_GPIO_PULL_NO)   ||\
+                                            ((__VALUE__) == LL_GPIO_PULL_UP)   ||\
+                                            ((__VALUE__) == LL_GPIO_PULL_DOWN))
+
+#define IS_LL_GPIO_ALTERNATE(__VALUE__)    (((__VALUE__) == LL_GPIO_AF_0  )   ||\
+                                            ((__VALUE__) == LL_GPIO_AF_1  )   ||\
+                                            ((__VALUE__) == LL_GPIO_AF_2  )   ||\
+                                            ((__VALUE__) == LL_GPIO_AF_3  )   ||\
+                                            ((__VALUE__) == LL_GPIO_AF_4  )   ||\
+                                            ((__VALUE__) == LL_GPIO_AF_5  )   ||\
+                                            ((__VALUE__) == LL_GPIO_AF_6  )   ||\
+                                            ((__VALUE__) == LL_GPIO_AF_7 ))
+/**
+  * @}
+  */
+
+/* Private function prototypes -----------------------------------------------*/
+
+/* Exported functions --------------------------------------------------------*/
+/** @addtogroup GPIO_LL_Exported_Functions
+  * @{
+  */
+
+/** @addtogroup GPIO_LL_EF_Init
+  * @{
+  */
+
+/**
+  * @brief  De-initialize GPIO registers (Registers restored to their default values).
+  * @param  GPIOx GPIO Port
+  * @retval An ErrorStatus enumeration value:
+  *          - SUCCESS: GPIO registers are de-initialized
+  *          - ERROR:   Wrong GPIO Port
+  */
+ErrorStatus LL_GPIO_DeInit(GPIO_TypeDef *GPIOx)
+{
+  ErrorStatus status = SUCCESS;
+
+  /* Check the parameters */
+  assert_param(IS_GPIO_ALL_INSTANCE(GPIOx));
+
+  /* Force and Release reset on clock of GPIOx Port */
+  if (GPIOx == GPIOA)
+  {
+    LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOA);
+    LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOA);
+  }
+  else if (GPIOx == GPIOB)
+  {
+    LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOB);
+    LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOB);
+  }
+  else if (GPIOx == GPIOC)
+  {
+    LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOC);
+    LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOC);
+  }
+#if defined(GPIOD)
+  else if (GPIOx == GPIOD)
+  {
+    LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOD);
+    LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOD);
+  }
+#endif /* GPIOD */
+#if defined(GPIOE)
+  else if (GPIOx == GPIOE)
+  {
+    LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOE);
+    LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOE);
+  }
+#endif /* GPIOE */
+#if defined(GPIOF)
+  else if (GPIOx == GPIOF)
+  {
+    LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOF);
+    LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOF);
+  }
+#endif /* GPIOF */
+  else
+  {
+    status = ERROR;
+  }
+
+  return (status);
+}
+
+/**
+  * @brief  Initialize GPIO registers according to the specified parameters in GPIO_InitStruct.
+  * @param  GPIOx GPIO Port
+  * @param  GPIO_InitStruct: pointer to a @ref LL_GPIO_InitTypeDef structure
+  *         that contains the configuration information for the specified GPIO peripheral.
+  * @retval An ErrorStatus enumeration value:
+  *          - SUCCESS: GPIO registers are initialized according to GPIO_InitStruct content
+  *          - ERROR:   Not applicable
+  */
+ErrorStatus LL_GPIO_Init(GPIO_TypeDef *GPIOx, LL_GPIO_InitTypeDef *GPIO_InitStruct)
+{
+  uint32_t pinpos     = 0x00000000U;
+  uint32_t currentpin = 0x00000000U;
+
+  /* Check the parameters */
+  assert_param(IS_GPIO_ALL_INSTANCE(GPIOx));
+  assert_param(IS_LL_GPIO_PIN(GPIO_InitStruct->Pin));
+  assert_param(IS_LL_GPIO_MODE(GPIO_InitStruct->Mode));
+  assert_param(IS_LL_GPIO_PULL(GPIO_InitStruct->Pull));
+
+  /* ------------------------- Configure the port pins ---------------- */
+  /* Initialize  pinpos on first pin set */
+  /* pinpos = 0; useless as already done in default initialization */
+
+  /* Configure the port pins */
+  while (((GPIO_InitStruct->Pin) >> pinpos) != 0x00000000U)
+  {
+    /* Get current io position */
+    currentpin = (GPIO_InitStruct->Pin) & (0x00000001U << pinpos);
+
+    if (currentpin)
+    {
+      /* Pin Mode configuration */
+      LL_GPIO_SetPinMode(GPIOx, currentpin, GPIO_InitStruct->Mode);
+
+      if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE))
+      {
+        /* Check Speed mode parameters */
+        assert_param(IS_LL_GPIO_SPEED(GPIO_InitStruct->Speed));
+
+        /* Speed mode configuration */
+        LL_GPIO_SetPinSpeed(GPIOx, currentpin, GPIO_InitStruct->Speed);
+      }
+
+      /* Pull-up Pull down resistor configuration*/
+      LL_GPIO_SetPinPull(GPIOx, currentpin, GPIO_InitStruct->Pull);
+
+      if (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE)
+      {
+        /* Check Alternate parameter */
+        assert_param(IS_LL_GPIO_ALTERNATE(GPIO_InitStruct->Alternate));
+
+        /* Speed mode configuration */
+        if (currentpin < LL_GPIO_PIN_8)
+        {
+          LL_GPIO_SetAFPin_0_7(GPIOx, currentpin, GPIO_InitStruct->Alternate);
+        }
+        else
+        {
+          LL_GPIO_SetAFPin_8_15(GPIOx, currentpin, GPIO_InitStruct->Alternate);
+        }
+      }
+    }
+    pinpos++;
+  }
+
+  if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE))
+  {
+    /* Check Output mode parameters */
+    assert_param(IS_LL_GPIO_OUTPUT_TYPE(GPIO_InitStruct->OutputType));
+
+    /* Output mode configuration*/
+    LL_GPIO_SetPinOutputType(GPIOx, GPIO_InitStruct->Pin, GPIO_InitStruct->OutputType);
+
+  }
+  return (SUCCESS);
+}
+
+/**
+  * @brief Set each @ref LL_GPIO_InitTypeDef field to default value.
+  * @param GPIO_InitStruct: pointer to a @ref LL_GPIO_InitTypeDef structure
+  *                          whose fields will be set to default values.
+  * @retval None
+  */
+
+void LL_GPIO_StructInit(LL_GPIO_InitTypeDef *GPIO_InitStruct)
+{
+  /* Reset GPIO init structure parameters values */
+  GPIO_InitStruct->Pin        = LL_GPIO_PIN_ALL;
+  GPIO_InitStruct->Mode       = LL_GPIO_MODE_ANALOG;
+  GPIO_InitStruct->Speed      = LL_GPIO_SPEED_FREQ_LOW;
+  GPIO_InitStruct->OutputType = LL_GPIO_OUTPUT_PUSHPULL;
+  GPIO_InitStruct->Pull       = LL_GPIO_PULL_NO;
+  GPIO_InitStruct->Alternate  = LL_GPIO_AF_0;
+}
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#endif /* defined (GPIOA) || defined (GPIOB) || defined (GPIOC) || defined (GPIOD) || defined (GPIOE) || defined (GPIOF) */
+
+/**
+  * @}
+  */
+
+#endif /* USE_FULL_LL_DRIVER */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+