diff options
Diffstat (limited to 'Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_hal_lptim.c')
| -rw-r--r-- | Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_hal_lptim.c | 161 |
1 files changed, 104 insertions, 57 deletions
diff --git a/Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_hal_lptim.c b/Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_hal_lptim.c index 873f9630c..df3c8bf1a 100644 --- a/Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_hal_lptim.c +++ b/Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_hal_lptim.c @@ -174,7 +174,6 @@ /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ -/* Private macro -------------------------------------------------------------*/ /** @addtogroup LPTIM_Private_Constants * @{ */ @@ -183,6 +182,25 @@ * @} */ +/* Private macro -------------------------------------------------------------*/ +/** @addtogroup LPTIM_Private_Macros + * @{ + */ +#if defined(LPTIM2) +#define __HAL_LPTIM_WAKEUPTIMER_EXTI_ENABLE_IT(__INSTANCE__) \ + (((__INSTANCE__) == LPTIM1) ? __HAL_LPTIM_LPTIM1_EXTI_ENABLE_IT() : __HAL_LPTIM_LPTIM2_EXTI_ENABLE_IT()) + +#define __HAL_LPTIM_WAKEUPTIMER_EXTI_DISABLE_IT(__INSTANCE__) \ + (((__INSTANCE__) == LPTIM1) ? __HAL_LPTIM_LPTIM1_EXTI_DISABLE_IT() : __HAL_LPTIM_LPTIM2_EXTI_DISABLE_IT()) +#else +#define __HAL_LPTIM_WAKEUPTIMER_EXTI_ENABLE_IT(__INSTANCE__) __HAL_LPTIM_LPTIM1_EXTI_ENABLE_IT() + +#define __HAL_LPTIM_WAKEUPTIMER_EXTI_DISABLE_IT(__INSTANCE__) __HAL_LPTIM_LPTIM1_EXTI_DISABLE_IT() +#endif /* LPTIM2 */ +/** + * @} + */ + /* Private variables ---------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ #if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1) @@ -235,17 +253,20 @@ HAL_StatusTypeDef HAL_LPTIM_Init(LPTIM_HandleTypeDef *hlptim) assert_param(IS_LPTIM_CLOCK_SOURCE(hlptim->Init.Clock.Source)); assert_param(IS_LPTIM_CLOCK_PRESCALER(hlptim->Init.Clock.Prescaler)); - if ((hlptim->Init.Clock.Source) == LPTIM_CLOCKSOURCE_ULPTIM) + if (hlptim->Init.Clock.Source == LPTIM_CLOCKSOURCE_ULPTIM) { assert_param(IS_LPTIM_CLOCK_POLARITY(hlptim->Init.UltraLowPowerClock.Polarity)); - assert_param(IS_LPTIM_CLOCK_SAMPLE_TIME(hlptim->Init.UltraLowPowerClock.SampleTime)); } assert_param(IS_LPTIM_TRG_SOURCE(hlptim->Init.Trigger.Source)); - if ((hlptim->Init.Trigger.Source) != LPTIM_TRIGSOURCE_SOFTWARE) + if (hlptim->Init.Trigger.Source != LPTIM_TRIGSOURCE_SOFTWARE) { - assert_param(IS_LPTIM_TRIG_SAMPLE_TIME(hlptim->Init.Trigger.SampleTime)); assert_param(IS_LPTIM_EXT_TRG_POLARITY(hlptim->Init.Trigger.ActiveEdge)); } + if (hlptim->Init.Clock.Source == LPTIM_CLOCKSOURCE_APBCLOCK_LPOSC) + { + assert_param(IS_LPTIM_TRIG_SAMPLE_TIME(hlptim->Init.Trigger.SampleTime)); + assert_param(IS_LPTIM_CLOCK_SAMPLE_TIME(hlptim->Init.UltraLowPowerClock.SampleTime)); + } assert_param(IS_LPTIM_OUTPUT_POLARITY(hlptim->Init.OutputPolarity)); assert_param(IS_LPTIM_UPDATE_MODE(hlptim->Init.UpdateMode)); assert_param(IS_LPTIM_COUNTER_SOURCE(hlptim->Init.CounterSource)); @@ -278,13 +299,17 @@ HAL_StatusTypeDef HAL_LPTIM_Init(LPTIM_HandleTypeDef *hlptim) /* Get the LPTIMx CFGR value */ tmpcfgr = hlptim->Instance->CFGR; - if (((hlptim->Init.Clock.Source) == LPTIM_CLOCKSOURCE_ULPTIM) || ((hlptim->Init.CounterSource) == LPTIM_COUNTERSOURCE_EXTERNAL)) + if (hlptim->Init.Clock.Source == LPTIM_CLOCKSOURCE_ULPTIM) { - tmpcfgr &= (uint32_t)(~(LPTIM_CFGR_CKPOL | LPTIM_CFGR_CKFLT)); + tmpcfgr &= (uint32_t)(~(LPTIM_CFGR_CKPOL)); } - if ((hlptim->Init.Trigger.Source) != LPTIM_TRIGSOURCE_SOFTWARE) + if (hlptim->Init.Trigger.Source != LPTIM_TRIGSOURCE_SOFTWARE) { - tmpcfgr &= (uint32_t)(~(LPTIM_CFGR_TRGFLT | LPTIM_CFGR_TRIGSEL)); + tmpcfgr &= (uint32_t)(~(LPTIM_CFGR_TRIGSEL)); + } + if (hlptim->Init.Clock.Source == LPTIM_CLOCKSOURCE_APBCLOCK_LPOSC) + { + tmpcfgr &= (uint32_t)(~(LPTIM_CFGR_TRGFLT | LPTIM_CFGR_CKFLT)); } /* Clear CKSEL, CKPOL, PRESC, TRIGEN, TRGFLT, WAVPOL, PRELOAD & COUNTMODE bits */ @@ -298,18 +323,28 @@ HAL_StatusTypeDef HAL_LPTIM_Init(LPTIM_HandleTypeDef *hlptim) hlptim->Init.UpdateMode | hlptim->Init.CounterSource); - if (((hlptim->Init.Clock.Source) == LPTIM_CLOCKSOURCE_ULPTIM) || ((hlptim->Init.CounterSource) == LPTIM_COUNTERSOURCE_EXTERNAL)) + /* Glitch filters for internal triggers and external inputs are configured + * only if an internal clock source is provided to the LPTIM + */ + if (hlptim->Init.Clock.Source == LPTIM_CLOCKSOURCE_APBCLOCK_LPOSC) { - tmpcfgr |= (hlptim->Init.UltraLowPowerClock.Polarity | + tmpcfgr |= (hlptim->Init.Trigger.SampleTime | hlptim->Init.UltraLowPowerClock.SampleTime); } - if ((hlptim->Init.Trigger.Source) != LPTIM_TRIGSOURCE_SOFTWARE) + /* Configure the active edge or edges used by the counter only if LPTIM is + * clocked by an external clock source + */ + if (hlptim->Init.Clock.Source == LPTIM_CLOCKSOURCE_ULPTIM) + { + tmpcfgr |= (hlptim->Init.UltraLowPowerClock.Polarity); + } + + if (hlptim->Init.Trigger.Source != LPTIM_TRIGSOURCE_SOFTWARE) { /* Enable External trigger and set the trigger source */ - tmpcfgr |= (hlptim->Init.Trigger.Source | - hlptim->Init.Trigger.ActiveEdge | - hlptim->Init.Trigger.SampleTime); + tmpcfgr |= (hlptim->Init.Trigger.Source | + hlptim->Init.Trigger.ActiveEdge); } /* Write to LPTIMx CFGR */ @@ -1438,6 +1473,9 @@ HAL_StatusTypeDef HAL_LPTIM_TimeOut_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32 /* Set the LPTIM state */ hlptim->State = HAL_LPTIM_STATE_BUSY; + /* Enable EXTI Line interrupt on the LPTIM Wake-up Timer */ + __HAL_LPTIM_WAKEUPTIMER_EXTI_ENABLE_IT(hlptim->Instance); + /* Set TIMOUT bit to enable the timeout function */ hlptim->Instance->CFGR |= LPTIM_CFGR_TIMOUT; @@ -1505,6 +1543,9 @@ HAL_StatusTypeDef HAL_LPTIM_TimeOut_Stop_IT(LPTIM_HandleTypeDef *hlptim) /* Set the LPTIM state */ hlptim->State = HAL_LPTIM_STATE_BUSY; + /* Disable EXTI Line interrupt on the LPTIM Wake-up Timer */ + __HAL_LPTIM_WAKEUPTIMER_EXTI_DISABLE_IT(hlptim->Instance); + /* Disable the Peripheral */ __HAL_LPTIM_DISABLE(hlptim); @@ -1620,6 +1661,9 @@ HAL_StatusTypeDef HAL_LPTIM_Counter_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32 /* Set the LPTIM state */ hlptim->State = HAL_LPTIM_STATE_BUSY; + /* Enable EXTI Line interrupt on the LPTIM Wake-up Timer */ + __HAL_LPTIM_WAKEUPTIMER_EXTI_ENABLE_IT(hlptim->Instance); + /* If clock source is not ULPTIM clock and counter source is external, then it must not be prescaled */ if ((hlptim->Init.Clock.Source != LPTIM_CLOCKSOURCE_ULPTIM) && (hlptim->Init.CounterSource == LPTIM_COUNTERSOURCE_EXTERNAL)) { @@ -1684,6 +1728,9 @@ HAL_StatusTypeDef HAL_LPTIM_Counter_Stop_IT(LPTIM_HandleTypeDef *hlptim) /* Set the LPTIM state */ hlptim->State = HAL_LPTIM_STATE_BUSY; + /* Disable EXTI Line interrupt on the LPTIM Wake-up Timer */ + __HAL_LPTIM_WAKEUPTIMER_EXTI_DISABLE_IT(hlptim->Instance); + /* Disable the Peripheral */ __HAL_LPTIM_DISABLE(hlptim); @@ -2304,17 +2351,17 @@ static HAL_StatusTypeDef LPTIM_WaitForFlag(LPTIM_HandleTypeDef *hlptim, uint32_t { HAL_StatusTypeDef result = HAL_OK; uint32_t count = TIMEOUT * (SystemCoreClock / 20UL / 1000UL); - do + do + { + count--; + if (count == 0UL) { - count--; - if (count == 0UL) - { - result = HAL_TIMEOUT; - } + result = HAL_TIMEOUT; } - while((!(__HAL_LPTIM_GET_FLAG((hlptim), (flag)))) && (count != 0UL)); + } + while ((!(__HAL_LPTIM_GET_FLAG((hlptim), (flag)))) && (count != 0UL)); - return result; + return result; } /** @@ -2341,16 +2388,16 @@ void LPTIM_Disable(LPTIM_HandleTypeDef *hlptim) /* Save LPTIM source clock */ switch ((uint32_t)hlptim->Instance) { - case LPTIM1_BASE: - tmpclksource = __HAL_RCC_GET_LPTIM1_SOURCE(); - break; + case LPTIM1_BASE: + tmpclksource = __HAL_RCC_GET_LPTIM1_SOURCE(); + break; #if defined(LPTIM2) - case LPTIM2_BASE: - tmpclksource = __HAL_RCC_GET_LPTIM2_SOURCE(); - break; + case LPTIM2_BASE: + tmpclksource = __HAL_RCC_GET_LPTIM2_SOURCE(); + break; #endif /* LPTIM2 */ - default: - break; + default: + break; } /* Save LPTIM configuration registers */ @@ -2363,18 +2410,18 @@ void LPTIM_Disable(LPTIM_HandleTypeDef *hlptim) /*********** Reset LPTIM ***********/ switch ((uint32_t)hlptim->Instance) { - case LPTIM1_BASE: - __HAL_RCC_LPTIM1_FORCE_RESET(); - __HAL_RCC_LPTIM1_RELEASE_RESET(); - break; + case LPTIM1_BASE: + __HAL_RCC_LPTIM1_FORCE_RESET(); + __HAL_RCC_LPTIM1_RELEASE_RESET(); + break; #if defined(LPTIM2) - case LPTIM2_BASE: - __HAL_RCC_LPTIM2_FORCE_RESET(); - __HAL_RCC_LPTIM2_RELEASE_RESET(); - break; + case LPTIM2_BASE: + __HAL_RCC_LPTIM2_FORCE_RESET(); + __HAL_RCC_LPTIM2_RELEASE_RESET(); + break; #endif /* LPTIM2 */ - default: - break; + default: + break; } /*********** Restore LPTIM Config ***********/ @@ -2383,16 +2430,16 @@ void LPTIM_Disable(LPTIM_HandleTypeDef *hlptim) /* Force LPTIM source kernel clock from APB */ switch ((uint32_t)hlptim->Instance) { - case LPTIM1_BASE: - __HAL_RCC_LPTIM1_CONFIG(RCC_LPTIM1CLKSOURCE_PCLK1); - break; + case LPTIM1_BASE: + __HAL_RCC_LPTIM1_CONFIG(RCC_LPTIM1CLKSOURCE_PCLK1); + break; #if defined(LPTIM2) - case LPTIM2_BASE: - __HAL_RCC_LPTIM2_CONFIG(RCC_LPTIM2CLKSOURCE_PCLK1); - break; + case LPTIM2_BASE: + __HAL_RCC_LPTIM2_CONFIG(RCC_LPTIM2CLKSOURCE_PCLK1); + break; #endif /* LPTIM2 */ - default: - break; + default: + break; } if (tmpCMP != 0UL) @@ -2427,16 +2474,16 @@ void LPTIM_Disable(LPTIM_HandleTypeDef *hlptim) /* Restore LPTIM source kernel clock */ switch ((uint32_t)hlptim->Instance) { - case LPTIM1_BASE: - __HAL_RCC_LPTIM1_CONFIG(tmpclksource); - break; + case LPTIM1_BASE: + __HAL_RCC_LPTIM1_CONFIG(tmpclksource); + break; #if defined(LPTIM2) - case LPTIM2_BASE: - __HAL_RCC_LPTIM2_CONFIG(tmpclksource); - break; + case LPTIM2_BASE: + __HAL_RCC_LPTIM2_CONFIG(tmpclksource); + break; #endif /* LPTIM2 */ - default: - break; + default: + break; } } |