diff options
Diffstat (limited to 'lib/stm32f1/hal/source/stm32f1xx_ll_gpio.c')
| -rw-r--r-- | lib/stm32f1/hal/source/stm32f1xx_ll_gpio.c | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/lib/stm32f1/hal/source/stm32f1xx_ll_gpio.c b/lib/stm32f1/hal/source/stm32f1xx_ll_gpio.c new file mode 100644 index 00000000..e4a5506d --- /dev/null +++ b/lib/stm32f1/hal/source/stm32f1xx_ll_gpio.c @@ -0,0 +1,253 @@ +/**
+ ******************************************************************************
+ * @file stm32f1xx_ll_gpio.c
+ * @author MCD Application Team
+ * @brief GPIO LL module driver.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© Copyright (c) 2016 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+
+#if defined(USE_FULL_LL_DRIVER)
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f1xx_ll_gpio.h"
+#include "stm32f1xx_ll_bus.h"
+#ifdef USE_FULL_ASSERT
+#include "stm32_assert.h"
+#else
+#define assert_param(expr) ((void)0U)
+#endif
+
+/** @addtogroup STM32F1xx_LL_Driver
+ * @{
+ */
+
+#if defined (GPIOA) || defined (GPIOB) || defined (GPIOC) || defined (GPIOD) || defined (GPIOE) || defined (GPIOF) || defined (GPIOG)
+
+/** @addtogroup GPIO_LL
+ * @{
+ */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/* Private macros ------------------------------------------------------------*/
+/** @addtogroup GPIO_LL_Private_Macros
+ * @{
+ */
+
+#define IS_LL_GPIO_PIN(__VALUE__) ((((__VALUE__) & LL_GPIO_PIN_ALL)!= 0u) &&\
+ (((__VALUE__) & (~LL_GPIO_PIN_ALL))== 0u))
+
+#define IS_LL_GPIO_MODE(__VALUE__) (((__VALUE__) == LL_GPIO_MODE_ANALOG) ||\
+ ((__VALUE__) == LL_GPIO_MODE_FLOATING) ||\
+ ((__VALUE__) == LL_GPIO_MODE_INPUT) ||\
+ ((__VALUE__) == LL_GPIO_MODE_OUTPUT) ||\
+ ((__VALUE__) == LL_GPIO_MODE_ALTERNATE))
+
+#define IS_LL_GPIO_SPEED(__VALUE__) (((__VALUE__) == LL_GPIO_SPEED_FREQ_LOW) ||\
+ ((__VALUE__) == LL_GPIO_SPEED_FREQ_MEDIUM) ||\
+ ((__VALUE__) == LL_GPIO_SPEED_FREQ_HIGH))
+
+#define IS_LL_GPIO_OUTPUT_TYPE(__VALUE__) (((__VALUE__) == LL_GPIO_OUTPUT_PUSHPULL) ||\
+ ((__VALUE__) == LL_GPIO_OUTPUT_OPENDRAIN))
+
+#define IS_LL_GPIO_PULL(__VALUE__) (((__VALUE__) == LL_GPIO_PULL_DOWN) ||\
+ ((__VALUE__) == LL_GPIO_PULL_UP))
+
+/**
+ * @}
+ */
+
+/* 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_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_GPIOA);
+ LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_GPIOA);
+ }
+ else if (GPIOx == GPIOB)
+ {
+ LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_GPIOB);
+ LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_GPIOB);
+ }
+ else if (GPIOx == GPIOC)
+ {
+ LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_GPIOC);
+ LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_GPIOC);
+ }
+ else if (GPIOx == GPIOD)
+ {
+ LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_GPIOD);
+ LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_GPIOD);
+ }
+#if defined(GPIOE)
+ else if (GPIOx == GPIOE)
+ {
+ LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_GPIOE);
+ LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_GPIOE);
+ }
+#endif
+#if defined(GPIOF)
+ else if (GPIOx == GPIOF)
+ {
+ LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_GPIOF);
+ LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_GPIOF);
+ }
+#endif
+#if defined(GPIOG)
+ else if (GPIOx == GPIOG)
+ {
+ LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_GPIOG);
+ LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_GPIOG);
+ }
+#endif
+ 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 pinmask;
+ uint32_t pinpos;
+ uint32_t currentpin;
+
+ /* Check the parameters */
+ assert_param(IS_GPIO_ALL_INSTANCE(GPIOx));
+ assert_param(IS_LL_GPIO_PIN(GPIO_InitStruct->Pin));
+
+ /* ------------------------- Configure the port pins ---------------- */
+ /* Initialize pinpos on first pin set */
+
+ pinmask = ((GPIO_InitStruct->Pin) << GPIO_PIN_MASK_POS) >> GPIO_PIN_NB;
+ pinpos = POSITION_VAL(pinmask);
+
+ /* Configure the port pins */
+ while ((pinmask >> pinpos) != 0u)
+ {
+ /* skip if bit is not set */
+ if ((pinmask & (1u << pinpos)) != 0u)
+ {
+ /* Get current io position */
+ if (pinpos < GPIO_PIN_MASK_POS)
+ {
+ currentpin = (0x00000101uL << pinpos);
+ }
+ else
+ {
+ currentpin = ((0x00010001u << (pinpos - GPIO_PIN_MASK_POS)) | 0x04000000u);
+ }
+
+ /* Check Pin Mode and Pin Pull parameters */
+ assert_param(IS_LL_GPIO_MODE(GPIO_InitStruct->Mode));
+ assert_param(IS_LL_GPIO_PULL(GPIO_InitStruct->Pull));
+
+ /* Pin Mode configuration */
+ LL_GPIO_SetPinMode(GPIOx, currentpin, GPIO_InitStruct->Mode);
+
+ /* Pull-up Pull-down resistor configuration*/
+ LL_GPIO_SetPinPull(GPIOx, currentpin, GPIO_InitStruct->Pull);
+
+ if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE))
+ {
+ /* Check speed and Output mode parameters */
+ assert_param(IS_LL_GPIO_SPEED(GPIO_InitStruct->Speed));
+ assert_param(IS_LL_GPIO_OUTPUT_TYPE(GPIO_InitStruct->OutputType));
+
+ /* Speed mode configuration */
+ LL_GPIO_SetPinSpeed(GPIOx, currentpin, GPIO_InitStruct->Speed);
+
+ /* Output mode configuration*/
+ LL_GPIO_SetPinOutputType(GPIOx, currentpin, GPIO_InitStruct->OutputType);
+ }
+ }
+ pinpos++;
+ }
+ 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_FLOATING;
+ GPIO_InitStruct->Speed = LL_GPIO_SPEED_FREQ_LOW;
+ GPIO_InitStruct->OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
+ GPIO_InitStruct->Pull = LL_GPIO_PULL_DOWN;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif /* defined (GPIOA) || defined (GPIOB) || defined (GPIOC) || defined (GPIOD) || defined (GPIOE) || defined (GPIOF) || defined (GPIOG) */
+
+/**
+ * @}
+ */
+
+#endif /* USE_FULL_LL_DRIVER */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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