diff options
Diffstat (limited to 'bsps/arm/stm32h7/hal/stm32h7xx_ll_exti.c')
| -rw-r--r-- | bsps/arm/stm32h7/hal/stm32h7xx_ll_exti.c | 458 |
1 files changed, 458 insertions, 0 deletions
diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_ll_exti.c b/bsps/arm/stm32h7/hal/stm32h7xx_ll_exti.c new file mode 100644 index 0000000000..f4c6320dfc --- /dev/null +++ b/bsps/arm/stm32h7/hal/stm32h7xx_ll_exti.c @@ -0,0 +1,458 @@ +/**
+ ******************************************************************************
+ * @file stm32h7xx_ll_exti.c
+ * @author MCD Application Team
+ * @brief EXTI 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_exti.h"
+#ifdef USE_FULL_ASSERT
+#include "stm32_assert.h"
+#else
+#define assert_param(expr) ((void)0U)
+#endif
+
+/** @addtogroup STM32H7xx_LL_Driver
+ * @{
+ */
+
+#if defined (EXTI)
+
+/** @defgroup EXTI_LL EXTI
+ * @{
+ */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/* Private macros ------------------------------------------------------------*/
+/** @addtogroup EXTI_LL_Private_Macros
+ * @{
+ */
+
+#define IS_LL_EXTI_LINE_0_31(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL_0_31) == 0x00000000U)
+#define IS_LL_EXTI_LINE_32_63(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL_32_63) == 0x00000000U)
+#define IS_LL_EXTI_LINE_64_95(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL_64_95) == 0x00000000U)
+
+#define IS_LL_EXTI_MODE(__VALUE__) (((__VALUE__) == LL_EXTI_MODE_IT) \
+ || ((__VALUE__) == LL_EXTI_MODE_EVENT) \
+ || ((__VALUE__) == LL_EXTI_MODE_IT_EVENT))
+
+
+#define IS_LL_EXTI_TRIGGER(__VALUE__) (((__VALUE__) == LL_EXTI_TRIGGER_NONE) \
+ || ((__VALUE__) == LL_EXTI_TRIGGER_RISING) \
+ || ((__VALUE__) == LL_EXTI_TRIGGER_FALLING) \
+ || ((__VALUE__) == LL_EXTI_TRIGGER_RISING_FALLING))
+
+/**
+ * @}
+ */
+
+/* Private function prototypes -----------------------------------------------*/
+
+/* Exported functions --------------------------------------------------------*/
+/** @addtogroup EXTI_LL_Exported_Functions
+ * @{
+ */
+
+/** @addtogroup EXTI_LL_EF_Init
+ * @{
+ */
+
+/**
+ * @brief De-initialize the EXTI registers to their default reset values.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: EXTI registers are de-initialized
+ * - ERROR: not applicable
+ */
+ErrorStatus LL_EXTI_DeInit(void)
+{
+ /* Rising Trigger selection register set to default reset values */
+ LL_EXTI_WriteReg(RTSR1, 0x00000000U);
+ LL_EXTI_WriteReg(RTSR2, 0x00000000U);
+ LL_EXTI_WriteReg(RTSR3, 0x00000000U);
+
+ /* Falling Trigger selection register set to default reset values */
+ LL_EXTI_WriteReg(FTSR1, 0x00000000U);
+ LL_EXTI_WriteReg(FTSR2, 0x00000000U);
+ LL_EXTI_WriteReg(FTSR3, 0x00000000U);
+
+ /* Software interrupt event register set to default reset values */
+ LL_EXTI_WriteReg(SWIER1, 0x00000000U);
+ LL_EXTI_WriteReg(SWIER2, 0x00000000U);
+ LL_EXTI_WriteReg(SWIER3, 0x00000000U);
+
+ /* D3 Pending register set to default reset values */
+ LL_EXTI_WriteReg(D3PMR1, 0x00000000U);
+ LL_EXTI_WriteReg(D3PMR2, 0x00000000U);
+ LL_EXTI_WriteReg(D3PMR3, 0x00000000U);
+
+ /* D3 Pending clear selection register low to default reset values */
+ LL_EXTI_WriteReg(D3PCR1L, 0x00000000U);
+ LL_EXTI_WriteReg(D3PCR2L, 0x00000000U);
+ LL_EXTI_WriteReg(D3PCR3L, 0x00000000U);
+
+ /* D3 Pending clear selection register high to default reset values */
+ LL_EXTI_WriteReg(D3PCR1H, 0x00000000U);
+ LL_EXTI_WriteReg(D3PCR2H, 0x00000000U);
+ LL_EXTI_WriteReg(D3PCR3H, 0x00000000U);
+
+ /* Interrupt mask register set to default reset values */
+ LL_EXTI_WriteReg(IMR1, 0x00000000U);
+ LL_EXTI_WriteReg(IMR2, 0x00000000U);
+ LL_EXTI_WriteReg(IMR3, 0x00000000U);
+
+ /* Event mask register set to default reset values */
+ LL_EXTI_WriteReg(EMR1, 0x00000000U);
+ LL_EXTI_WriteReg(EMR2, 0x00000000U);
+ LL_EXTI_WriteReg(EMR3, 0x00000000U);
+
+ /* Clear Pending requests */
+ LL_EXTI_WriteReg(PR1, EXTI_PR1_PR_Msk);
+ LL_EXTI_WriteReg(PR2, EXTI_PR2_PR_Msk);
+ LL_EXTI_WriteReg(PR3, EXTI_PR3_PR_Msk);
+
+#if defined(DUAL_CORE)
+ /* Interrupt mask register set to default reset values for Core 2 (Coretx-M4)*/
+ LL_EXTI_WriteReg(C2IMR1, 0x00000000U);
+ LL_EXTI_WriteReg(C2IMR2, 0x00000000U);
+ LL_EXTI_WriteReg(C2IMR3, 0x00000000U);
+
+ /* Event mask register set to default reset values */
+ LL_EXTI_WriteReg(C2EMR1, 0x00000000U);
+ LL_EXTI_WriteReg(C2EMR2, 0x00000000U);
+ LL_EXTI_WriteReg(C2EMR3, 0x00000000U);
+
+ /* Clear Pending requests */
+ LL_EXTI_WriteReg(C2PR1, EXTI_PR1_PR_Msk);
+ LL_EXTI_WriteReg(C2PR2, EXTI_PR2_PR_Msk);
+ LL_EXTI_WriteReg(C2PR3, EXTI_PR3_PR_Msk);
+
+#endif /* DUAL_CORE*/
+ return SUCCESS;
+}
+
+/**
+ * @brief Initialize the EXTI registers according to the specified parameters in EXTI_InitStruct.
+ * @param EXTI_InitStruct pointer to a @ref LL_EXTI_InitTypeDef structure.
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: EXTI registers are initialized
+ * - ERROR: not applicable
+ */
+ErrorStatus LL_EXTI_Init(LL_EXTI_InitTypeDef *EXTI_InitStruct)
+{
+ ErrorStatus status = SUCCESS;
+ /* Check the parameters */
+ assert_param(IS_LL_EXTI_LINE_0_31(EXTI_InitStruct->Line_0_31));
+ assert_param(IS_LL_EXTI_LINE_32_63(EXTI_InitStruct->Line_32_63));
+ assert_param(IS_LL_EXTI_LINE_64_95(EXTI_InitStruct->Line_64_95));
+ assert_param(IS_FUNCTIONAL_STATE(EXTI_InitStruct->LineCommand));
+ assert_param(IS_LL_EXTI_MODE(EXTI_InitStruct->Mode));
+
+ /* ENABLE LineCommand */
+ if (EXTI_InitStruct->LineCommand != DISABLE)
+ {
+ assert_param(IS_LL_EXTI_TRIGGER(EXTI_InitStruct->Trigger));
+
+ /* Configure EXTI Lines in range from 0 to 31 */
+ if (EXTI_InitStruct->Line_0_31 != LL_EXTI_LINE_NONE)
+ {
+ if((EXTI_InitStruct->Mode & LL_EXTI_MODE_IT) == LL_EXTI_MODE_IT)
+ {
+ /* Enable IT on provided Lines for Cortex-M7*/
+ LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31);
+ }
+ else
+ {
+ /* Disable IT on provided Lines for Cortex-M7*/
+ LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
+ }
+
+ if((EXTI_InitStruct->Mode & LL_EXTI_MODE_EVENT) == LL_EXTI_MODE_EVENT)
+ {
+ /* Enable event on provided Lines for Cortex-M7 */
+ LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31);
+ }
+ else
+ {
+ /* Disable event on provided Lines for Cortex-M7 */
+ LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
+ }
+#if defined(DUAL_CORE)
+ if((EXTI_InitStruct->Mode & LL_EXTI_MODE_C2_IT) == LL_EXTI_MODE_C2_IT)
+ {
+ /* Enable IT on provided Lines for Cortex-M4 */
+ LL_C2_EXTI_EnableIT_0_31 (EXTI_InitStruct->Line_0_31);
+ }
+ else
+ {
+ /* Disable IT on provided Lines for Cortex-M4*/
+ LL_C2_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
+ }
+
+ if((EXTI_InitStruct->Mode & LL_EXTI_MODE_C2_EVENT) == LL_EXTI_MODE_C2_EVENT)
+ {
+ /* Enable event on provided Lines for Cortex-M4 */
+ LL_C2_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31);
+ }
+ else
+ {
+ /* Disable event on provided Lines for Cortex-M4*/
+ LL_C2_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
+ }
+#endif /* DUAL_CORE */
+
+ if (EXTI_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE)
+ {
+ switch (EXTI_InitStruct->Trigger)
+ {
+ case LL_EXTI_TRIGGER_RISING:
+ /* First Disable Falling Trigger on provided Lines */
+ LL_EXTI_DisableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
+ /* Then Enable Rising Trigger on provided Lines */
+ LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
+ break;
+ case LL_EXTI_TRIGGER_FALLING:
+ /* First Disable Rising Trigger on provided Lines */
+ LL_EXTI_DisableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
+ /* Then Enable Falling Trigger on provided Lines */
+ LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
+ break;
+ case LL_EXTI_TRIGGER_RISING_FALLING:
+ LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
+ LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
+ break;
+ default:
+ status = ERROR;
+ break;
+ }
+ }
+ }
+ /* Configure EXTI Lines in range from 32 to 63 */
+ if (EXTI_InitStruct->Line_32_63 != LL_EXTI_LINE_NONE)
+ {
+ if((EXTI_InitStruct->Mode & LL_EXTI_MODE_IT) == LL_EXTI_MODE_IT)
+ {
+ /* Enable IT on provided Lines for Cortex-M7*/
+ LL_EXTI_EnableIT_32_63(EXTI_InitStruct->Line_32_63);
+ }
+ else
+ {
+ /* Disable IT on provided Lines for Cortex-M7*/
+ LL_EXTI_DisableIT_32_63(EXTI_InitStruct->Line_32_63);
+ }
+
+ if((EXTI_InitStruct->Mode & LL_EXTI_MODE_EVENT) == LL_EXTI_MODE_EVENT)
+ {
+ /* Enable event on provided Lines for Cortex-M7 */
+ LL_EXTI_EnableEvent_32_63(EXTI_InitStruct->Line_32_63);
+ }
+ else
+ {
+ /* Disable event on provided Lines for Cortex-M7 */
+ LL_EXTI_DisableEvent_32_63(EXTI_InitStruct->Line_32_63);
+ }
+#if defined(DUAL_CORE)
+ if((EXTI_InitStruct->Mode & LL_EXTI_MODE_C2_IT) == LL_EXTI_MODE_C2_IT)
+ {
+ /* Enable IT on provided Lines for Cortex-M4 */
+ LL_C2_EXTI_EnableIT_32_63 (EXTI_InitStruct->Line_32_63);
+ }
+ else
+ {
+ /* Disable IT on provided Lines for Cortex-M4 */
+ LL_C2_EXTI_DisableIT_32_63 (EXTI_InitStruct->Line_32_63);
+ }
+
+ if((EXTI_InitStruct->Mode & LL_EXTI_MODE_C2_EVENT) == LL_EXTI_MODE_C2_EVENT)
+ {
+ /* Enable event on provided Lines for Cortex-M4 */
+ LL_C2_EXTI_EnableEvent_32_63(EXTI_InitStruct->Line_32_63);
+ }
+ else
+ {
+ /* Disable event on provided Lines for Cortex-M4 */
+ LL_C2_EXTI_DisableEvent_32_63(EXTI_InitStruct->Line_32_63);
+ }
+#endif /* DUAL_CORE */
+
+ if (EXTI_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE)
+ {
+ switch (EXTI_InitStruct->Trigger)
+ {
+ case LL_EXTI_TRIGGER_RISING:
+ /* First Disable Falling Trigger on provided Lines */
+ LL_EXTI_DisableFallingTrig_32_63(EXTI_InitStruct->Line_32_63);
+ /* Then Enable IT on provided Lines */
+ LL_EXTI_EnableRisingTrig_32_63(EXTI_InitStruct->Line_32_63);
+ break;
+ case LL_EXTI_TRIGGER_FALLING:
+ /* First Disable Rising Trigger on provided Lines */
+ LL_EXTI_DisableRisingTrig_32_63(EXTI_InitStruct->Line_32_63);
+ /* Then Enable Falling Trigger on provided Lines */
+ LL_EXTI_EnableFallingTrig_32_63(EXTI_InitStruct->Line_32_63);
+ break;
+ case LL_EXTI_TRIGGER_RISING_FALLING:
+ LL_EXTI_EnableRisingTrig_32_63(EXTI_InitStruct->Line_32_63);
+ LL_EXTI_EnableFallingTrig_32_63(EXTI_InitStruct->Line_32_63);
+ break;
+ default:
+ status = ERROR;
+ break;
+ }
+ }
+ }
+ /* Configure EXTI Lines in range from 64 to 95 */
+ if (EXTI_InitStruct->Line_64_95 != LL_EXTI_LINE_NONE)
+ {
+ if((EXTI_InitStruct->Mode & LL_EXTI_MODE_IT) == LL_EXTI_MODE_IT)
+ {
+ /* Enable IT on provided Lines for Cortex-M7*/
+ LL_EXTI_EnableIT_64_95(EXTI_InitStruct->Line_64_95);
+ }
+ else
+ {
+ /* Disable IT on provided Lines for Cortex-M7*/
+ LL_EXTI_DisableIT_64_95(EXTI_InitStruct->Line_64_95);
+ }
+
+ if((EXTI_InitStruct->Mode & LL_EXTI_MODE_EVENT) == LL_EXTI_MODE_EVENT)
+ {
+ /* Enable event on provided Lines for Cortex-M7 */
+ LL_EXTI_EnableEvent_64_95(EXTI_InitStruct->Line_64_95);
+ }
+ else
+ {
+ /* Disable event on provided Lines for Cortex-M7 */
+ LL_EXTI_DisableEvent_64_95(EXTI_InitStruct->Line_64_95);
+ }
+
+#if defined(DUAL_CORE)
+ if((EXTI_InitStruct->Mode & LL_EXTI_MODE_C2_IT) == LL_EXTI_MODE_C2_IT)
+ {
+ /* Enable IT on provided Lines for Cortex-M4 */
+ LL_C2_EXTI_EnableIT_64_95 (EXTI_InitStruct->Line_64_95);
+ }
+ else
+ {
+ /* Disable IT on provided Lines for Cortex-M4 */
+ LL_C2_EXTI_DisableIT_64_95 (EXTI_InitStruct->Line_64_95);
+ }
+
+ if((EXTI_InitStruct->Mode & LL_EXTI_MODE_C2_EVENT) == LL_EXTI_MODE_C2_EVENT)
+ {
+ /* Enable event on provided Lines for Cortex-M4 */
+ LL_C2_EXTI_EnableEvent_64_95(EXTI_InitStruct->Line_64_95);
+ }
+ else
+ {
+ /* Disable event on provided Lines for Cortex-M4 */
+ LL_C2_EXTI_DisableEvent_64_95(EXTI_InitStruct->Line_64_95);
+ }
+#endif /* DUAL_CORE */
+
+ if (EXTI_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE)
+ {
+ switch (EXTI_InitStruct->Trigger)
+ {
+ case LL_EXTI_TRIGGER_RISING:
+ /* First Disable Falling Trigger on provided Lines */
+ LL_EXTI_DisableFallingTrig_64_95(EXTI_InitStruct->Line_64_95);
+ /* Then Enable IT on provided Lines */
+ LL_EXTI_EnableRisingTrig_64_95(EXTI_InitStruct->Line_64_95);
+ break;
+ case LL_EXTI_TRIGGER_FALLING:
+ /* First Disable Rising Trigger on provided Lines */
+ LL_EXTI_DisableRisingTrig_64_95(EXTI_InitStruct->Line_64_95);
+ /* Then Enable Falling Trigger on provided Lines */
+ LL_EXTI_EnableFallingTrig_64_95(EXTI_InitStruct->Line_64_95);
+ break;
+ case LL_EXTI_TRIGGER_RISING_FALLING:
+ LL_EXTI_EnableRisingTrig_64_95(EXTI_InitStruct->Line_64_95);
+ LL_EXTI_EnableFallingTrig_64_95(EXTI_InitStruct->Line_64_95);
+ break;
+ default:
+ status = ERROR;
+ break;
+ }
+ }
+ }
+ }
+ else /* DISABLE LineCommand */
+ {
+ /* Disable IT on provided Lines for Cortex-M7*/
+ LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
+ LL_EXTI_DisableIT_32_63(EXTI_InitStruct->Line_32_63);
+ LL_EXTI_DisableIT_64_95(EXTI_InitStruct->Line_64_95);
+
+ /* Disable event on provided Lines for Cortex-M7 */
+ LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
+ LL_EXTI_DisableEvent_32_63(EXTI_InitStruct->Line_32_63);
+ LL_EXTI_DisableEvent_64_95(EXTI_InitStruct->Line_64_95);
+
+#if defined(DUAL_CORE)
+ /* Disable IT on provided Lines for Cortex-M4*/
+ LL_C2_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
+ LL_C2_EXTI_DisableIT_32_63(EXTI_InitStruct->Line_32_63);
+ LL_C2_EXTI_DisableIT_64_95(EXTI_InitStruct->Line_64_95);
+
+ /* Disable event on provided Lines for Cortex-M4 */
+ LL_C2_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
+ LL_C2_EXTI_DisableEvent_32_63(EXTI_InitStruct->Line_32_63);
+ LL_C2_EXTI_DisableEvent_64_95(EXTI_InitStruct->Line_64_95);
+#endif /* DUAL_CORE */
+ }
+
+ return status;
+}
+
+/**
+ * @brief Set each @ref LL_EXTI_InitTypeDef field to default value.
+ * @param EXTI_InitStruct Pointer to a @ref LL_EXTI_InitTypeDef structure.
+ * @retval None
+ */
+void LL_EXTI_StructInit(LL_EXTI_InitTypeDef *EXTI_InitStruct)
+{
+ EXTI_InitStruct->Line_0_31 = LL_EXTI_LINE_NONE;
+ EXTI_InitStruct->Line_32_63 = LL_EXTI_LINE_NONE;
+ EXTI_InitStruct->Line_64_95 = LL_EXTI_LINE_NONE;
+ EXTI_InitStruct->LineCommand = DISABLE;
+ EXTI_InitStruct->Mode = LL_EXTI_MODE_IT;
+ EXTI_InitStruct->Trigger = LL_EXTI_TRIGGER_FALLING;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif /* defined (EXTI) */
+
+/**
+ * @}
+ */
+
+#endif /* USE_FULL_LL_DRIVER */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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