diff options
Diffstat (limited to 'bsps/arm/stm32h7/hal/stm32h7xx_ll_gpio.c')
| -rw-r--r-- | bsps/arm/stm32h7/hal/stm32h7xx_ll_gpio.c | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_ll_gpio.c b/bsps/arm/stm32h7/hal/stm32h7xx_ll_gpio.c new file mode 100644 index 0000000000..176e27f8cd --- /dev/null +++ b/bsps/arm/stm32h7/hal/stm32h7xx_ll_gpio.c @@ -0,0 +1,307 @@ +/**
+ ******************************************************************************
+ * @file stm32h7xx_ll_gpio.c
+ * @author MCD Application Team
+ * @brief GPIO LL module driver.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2017 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 "stm32h7xx_ll_gpio.h"
+#include "stm32h7xx_ll_bus.h"
+#ifdef USE_FULL_ASSERT
+#include "stm32_assert.h"
+#else
+#define assert_param(expr) ((void)0U)
+#endif
+
+/** @addtogroup STM32H7xx_LL_Driver
+ * @{
+ */
+
+#if defined (GPIOA) || defined (GPIOB) || defined (GPIOC) || defined (GPIOD) || defined (GPIOE) || defined (GPIOF) || defined (GPIOG) || defined (GPIOH) || defined (GPIOI) || defined (GPIOJ) || defined (GPIOK)
+
+/** @addtogroup GPIO_LL
+ * @{
+ */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/* Private macros ------------------------------------------------------------*/
+/** @addtogroup GPIO_LL_Private_Macros
+ * @{
+ */
+#define IS_LL_GPIO_PIN(__VALUE__) (((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 ) ||\
+ ((__VALUE__) == LL_GPIO_AF_8 ) ||\
+ ((__VALUE__) == LL_GPIO_AF_9 ) ||\
+ ((__VALUE__) == LL_GPIO_AF_10 ) ||\
+ ((__VALUE__) == LL_GPIO_AF_11 ) ||\
+ ((__VALUE__) == LL_GPIO_AF_12 ) ||\
+ ((__VALUE__) == LL_GPIO_AF_13 ) ||\
+ ((__VALUE__) == LL_GPIO_AF_14 ) ||\
+ ((__VALUE__) == LL_GPIO_AF_15 ))
+/**
+ * @}
+ */
+
+/* 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_AHB4_GRP1_ForceReset(LL_AHB4_GRP1_PERIPH_GPIOA);
+ LL_AHB4_GRP1_ReleaseReset(LL_AHB4_GRP1_PERIPH_GPIOA);
+ }
+ else if (GPIOx == GPIOB)
+ {
+ LL_AHB4_GRP1_ForceReset(LL_AHB4_GRP1_PERIPH_GPIOB);
+ LL_AHB4_GRP1_ReleaseReset(LL_AHB4_GRP1_PERIPH_GPIOB);
+ }
+ else if (GPIOx == GPIOC)
+ {
+ LL_AHB4_GRP1_ForceReset(LL_AHB4_GRP1_PERIPH_GPIOC);
+ LL_AHB4_GRP1_ReleaseReset(LL_AHB4_GRP1_PERIPH_GPIOC);
+ }
+#if defined(GPIOD)
+ else if (GPIOx == GPIOD)
+ {
+ LL_AHB4_GRP1_ForceReset(LL_AHB4_GRP1_PERIPH_GPIOD);
+ LL_AHB4_GRP1_ReleaseReset(LL_AHB4_GRP1_PERIPH_GPIOD);
+ }
+#endif /* GPIOD */
+#if defined(GPIOE)
+ else if (GPIOx == GPIOE)
+ {
+ LL_AHB4_GRP1_ForceReset(LL_AHB4_GRP1_PERIPH_GPIOE);
+ LL_AHB4_GRP1_ReleaseReset(LL_AHB4_GRP1_PERIPH_GPIOE);
+ }
+#endif /* GPIOE */
+#if defined(GPIOF)
+ else if (GPIOx == GPIOF)
+ {
+ LL_AHB4_GRP1_ForceReset(LL_AHB4_GRP1_PERIPH_GPIOF);
+ LL_AHB4_GRP1_ReleaseReset(LL_AHB4_GRP1_PERIPH_GPIOF);
+ }
+#endif /* GPIOF */
+#if defined(GPIOG)
+ else if (GPIOx == GPIOG)
+ {
+ LL_AHB4_GRP1_ForceReset(LL_AHB4_GRP1_PERIPH_GPIOG);
+ LL_AHB4_GRP1_ReleaseReset(LL_AHB4_GRP1_PERIPH_GPIOG);
+ }
+#endif /* GPIOG */
+#if defined(GPIOH)
+ else if (GPIOx == GPIOH)
+ {
+ LL_AHB4_GRP1_ForceReset(LL_AHB4_GRP1_PERIPH_GPIOH);
+ LL_AHB4_GRP1_ReleaseReset(LL_AHB4_GRP1_PERIPH_GPIOH);
+ }
+#endif /* GPIOH */
+#if defined(GPIOI)
+ else if (GPIOx == GPIOI)
+ {
+ LL_AHB4_GRP1_ForceReset(LL_AHB4_GRP1_PERIPH_GPIOI);
+ LL_AHB4_GRP1_ReleaseReset(LL_AHB4_GRP1_PERIPH_GPIOI);
+ }
+#endif /* GPIOI */
+#if defined(GPIOJ)
+ else if (GPIOx == GPIOJ)
+ {
+ LL_AHB4_GRP1_ForceReset(LL_AHB4_GRP1_PERIPH_GPIOJ);
+ LL_AHB4_GRP1_ReleaseReset(LL_AHB4_GRP1_PERIPH_GPIOJ);
+ }
+#endif /* GPIOJ */
+#if defined(GPIOK)
+ else if (GPIOx == GPIOK)
+ {
+ LL_AHB4_GRP1_ForceReset(LL_AHB4_GRP1_PERIPH_GPIOK);
+ LL_AHB4_GRP1_ReleaseReset(LL_AHB4_GRP1_PERIPH_GPIOK);
+ }
+#endif /* GPIOK */
+ 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, currentpin;
+
+ /* 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 = POSITION_VAL(GPIO_InitStruct->Pin);
+
+ /* Configure the port pins */
+ while (((GPIO_InitStruct->Pin) >> pinpos) != 0x00000000U)
+ {
+ /* Get current io position */
+ currentpin = (GPIO_InitStruct->Pin) & (0x00000001UL << pinpos);
+
+ if (currentpin != 0x00000000U)
+ {
+
+ 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);
+
+ /* 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);
+
+ }
+
+ /* 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));
+
+ /* Alternate function 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);
+ }
+ }
+
+ /* Pin Mode configuration */
+ LL_GPIO_SetPinMode(GPIOx, currentpin, GPIO_InitStruct->Mode);
+ }
+ 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_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) || defined (GPIOG) || defined (GPIOH) || defined (GPIOI) || defined (GPIOJ) || defined (GPIOK) */
+
+/**
+ * @}
+ */
+
+#endif /* USE_FULL_LL_DRIVER */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
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