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-rw-r--r--bsps/arm/stm32h7/hal/stm32h7xx_hal_exti.c72
1 files changed, 27 insertions, 45 deletions
diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_hal_exti.c b/bsps/arm/stm32h7/hal/stm32h7xx_hal_exti.c
index c2ca944318..2796327f49 100644
--- a/bsps/arm/stm32h7/hal/stm32h7xx_hal_exti.c
+++ b/bsps/arm/stm32h7/hal/stm32h7xx_hal_exti.c
@@ -8,6 +8,17 @@
* + Initialization and de-initialization functions
* + IO operation functions
*
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2017 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software is licensed under terms that can be found in the LICENSE file
+ * in the root directory of this software component.
+ * If no LICENSE file comes with this software, it is provided AS-IS.
+ *
+ ******************************************************************************
@verbatim
==============================================================================
##### EXTI Peripheral features #####
@@ -32,34 +43,34 @@
(++) Falling
(+) Exti lines 0 to 15 are linked to gpio pin number 0 to 15. Gpio port can
- be selected throught multiplexer.
+ be selected through multiplexer.
- (+) PendClearSource used to set the D3 Smart Run Domain autoamtic pend clear soure.
+ (+) PendClearSource used to set the D3 Smart Run Domain autoamtic pend clear source.
It is applicable for line with wkaeup target is Any (CPU1 , CPU2 and D3 smart run domain).
Value can be one of the following:
- (++) EXTI_D3_PENDCLR_SRC_NONE : no pend clear source is selcted :
+ (++) EXTI_D3_PENDCLR_SRC_NONE : no pend clear source is selected :
In this case corresponding bit of D2PMRx register is set to 0
(+++) On a configurable Line : the D3 domain wakeup signal is
automatically cleared after after the Delay + Rising Edge detect
(+++) On a direct Line : the D3 domain wakeup signal is
cleared after the direct event input signal is cleared
- (++) EXTI_D3_PENDCLR_SRC_DMACH6 : no pend clear source is selcted :
+ (++) EXTI_D3_PENDCLR_SRC_DMACH6 : no pend clear source is selected :
In this case corresponding bit of D2PMRx register is set to 1
and corresponding bits(2) of D3PCRxL/H is set to b00 :
DMA ch6 event selected as D3 domain pendclear source
- (++) EXTI_D3_PENDCLR_SRC_DMACH7 : no pend clear source is selcted :
+ (++) EXTI_D3_PENDCLR_SRC_DMACH7 : no pend clear source is selected :
In this case corresponding bit of D2PMRx register is set to 1
and corresponding bits(2) of D3PCRxL/H is set to b01 :
DMA ch7 event selected as D3 domain pendclear source
- (++) EXTI_D3_PENDCLR_SRC_LPTIM4 : no pend clear source is selcted :
+ (++) EXTI_D3_PENDCLR_SRC_LPTIM4 : no pend clear source is selected :
In this case corresponding bit of D2PMRx register is set to 1
and corresponding bits(2) of D3PCRxL/H is set to b10 :
LPTIM4 out selected as D3 domain pendclear source
- (++) EXTI_D3_PENDCLR_SRC_LPTIM5 : no pend clear source is selcted :
+ (++) EXTI_D3_PENDCLR_SRC_LPTIM5 : no pend clear source is selected :
In this case corresponding bit of D2PMRx register is set to 1
and corresponding bits(2) of D3PCRxL/H is set to b11 :
LPTIM5 out selected as D3 domain pendclear source
@@ -103,18 +114,6 @@
(#) Generate software interrupt using HAL_EXTI_GenerateSWI().
@endverbatim
- ******************************************************************************
- * @attention
- *
- * <h2><center>&copy; 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
- *
- ******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
@@ -441,6 +440,10 @@ HAL_StatusTypeDef HAL_EXTI_GetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigT
}
#endif /*DUAL_CORE*/
+ /* Get default Trigger and GPIOSel configuration */
+ pExtiConfig->Trigger = EXTI_TRIGGER_NONE;
+ pExtiConfig->GPIOSel = 0x00U;
+
/* 2] Get trigger for configurable lines : rising */
if ((pExtiConfig->Line & EXTI_CONFIG) != 0x00U)
{
@@ -452,10 +455,6 @@ HAL_StatusTypeDef HAL_EXTI_GetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigT
{
pExtiConfig->Trigger = EXTI_TRIGGER_RISING;
}
- else
- {
- pExtiConfig->Trigger = EXTI_TRIGGER_NONE;
- }
/* Get falling configuration */
regaddr = (__IO uint32_t *)(&EXTI->FTSR1 + (EXTI_CONFIG_OFFSET * offset));
@@ -473,29 +472,18 @@ HAL_StatusTypeDef HAL_EXTI_GetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigT
assert_param(IS_EXTI_GPIO_PIN(linepos));
regval = SYSCFG->EXTICR[(linepos >> 2U) & 0x03UL];
- pExtiConfig->GPIOSel = ((regval << (SYSCFG_EXTICR1_EXTI1_Pos * (3UL - (linepos & 0x03UL)))) >> 24U);
- }
- else
- {
- pExtiConfig->GPIOSel = 0x00U;
+ pExtiConfig->GPIOSel = (regval >> (SYSCFG_EXTICR1_EXTI1_Pos * (linepos & 0x03u))) & SYSCFG_EXTICR1_EXTI0;
}
}
- else
- {
- pExtiConfig->Trigger = EXTI_TRIGGER_NONE;
- pExtiConfig->GPIOSel = 0x00U;
- }
+
+ /* Get default Pend Clear Source */
+ pExtiConfig->PendClearSource = EXTI_D3_PENDCLR_SRC_NONE;
/* 3] Get D3 Pend Clear source */
if ((pExtiConfig->Line & EXTI_TARGET_MASK) == EXTI_TARGET_MSK_ALL)
{
regaddr = (__IO uint32_t *)(&EXTI->D3PMR1 + (EXTI_CONFIG_OFFSET * offset));
- if(((*regaddr) & linepos) == 0UL)
- {
- /* if PMR unset, then no pend clear source is used */
- pExtiConfig->PendClearSource = EXTI_D3_PENDCLR_SRC_NONE;
- }
- else
+ if(((*regaddr) & linepos) != 0UL)
{
/* if wakeup target is any and PMR set, the read pend clear source from D3PCRxL/H */
if(linepos < 16UL)
@@ -512,11 +500,6 @@ HAL_StatusTypeDef HAL_EXTI_GetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigT
pExtiConfig->PendClearSource = 1UL + ((*regaddr & (pcrlinepos * pcrlinepos * 3UL)) / (pcrlinepos * pcrlinepos));
}
}
- else
- {
- /* if line wakeup target is not any, then no pend clear source is used */
- pExtiConfig->PendClearSource = EXTI_D3_PENDCLR_SRC_NONE;
- }
return HAL_OK;
}
@@ -875,4 +858,3 @@ void HAL_EXTI_GenerateSWI(EXTI_HandleTypeDef *hexti)
* @}
*/
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-09 06:17:24 +0000