调试状态LTDC外设是无法冻结的，使用时要注意，大部分外设都是可以冻结的

eric2013 · 发表于 2022-9-23 15:48:01

LTDC一旦开启后，会一直运行不会暂停，如果执行了SDRAM显存数据搬运，那么会一直搬运数据到LCD

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/** @brief  Freeze/Unfreeze Peripherals in Debug mode
  */
#define __HAL_DBGMCU_FREEZE_WWDG1()          (DBGMCU->APB3FZ1 |= (DBGMCU_APB3FZ1_DBG_WWDG1))

#define __HAL_DBGMCU_FREEZE_TIM2()           (DBGMCU->APB1LFZ1 |= (DBGMCU_APB1LFZ1_DBG_TIM2))
#define __HAL_DBGMCU_FREEZE_TIM3()           (DBGMCU->APB1LFZ1 |= (DBGMCU_APB1LFZ1_DBG_TIM3))
#define __HAL_DBGMCU_FREEZE_TIM4()           (DBGMCU->APB1LFZ1 |= (DBGMCU_APB1LFZ1_DBG_TIM4))
#define __HAL_DBGMCU_FREEZE_TIM5()           (DBGMCU->APB1LFZ1 |= (DBGMCU_APB1LFZ1_DBG_TIM5))
#define __HAL_DBGMCU_FREEZE_TIM6()           (DBGMCU->APB1LFZ1 |= (DBGMCU_APB1LFZ1_DBG_TIM6))
#define __HAL_DBGMCU_FREEZE_TIM7()           (DBGMCU->APB1LFZ1 |= (DBGMCU_APB1LFZ1_DBG_TIM7))
#define __HAL_DBGMCU_FREEZE_TIM12()          (DBGMCU->APB1LFZ1 |= (DBGMCU_APB1LFZ1_DBG_TIM12))
#define __HAL_DBGMCU_FREEZE_TIM13()          (DBGMCU->APB1LFZ1 |= (DBGMCU_APB1LFZ1_DBG_TIM13))
#define __HAL_DBGMCU_FREEZE_TIM14()          (DBGMCU->APB1LFZ1 |= (DBGMCU_APB1LFZ1_DBG_TIM14))
#define __HAL_DBGMCU_FREEZE_LPTIM1()         (DBGMCU->APB1LFZ1 |= (DBGMCU_APB1LFZ1_DBG_LPTIM1))
#define __HAL_DBGMCU_FREEZE_I2C1()           (DBGMCU->APB1LFZ1 |= (DBGMCU_APB1LFZ1_DBG_I2C1))
#define __HAL_DBGMCU_FREEZE_I2C2()           (DBGMCU->APB1LFZ1 |= (DBGMCU_APB1LFZ1_DBG_I2C2))
#define __HAL_DBGMCU_FREEZE_I2C3()           (DBGMCU->APB1LFZ1 |= (DBGMCU_APB1LFZ1_DBG_I2C3))
#define __HAL_DBGMCU_FREEZE_FDCAN()          (DBGMCU->APB1HFZ1 |= (DBGMCU_APB1HFZ1_DBG_FDCAN))


#define __HAL_DBGMCU_FREEZE_TIM1()           (DBGMCU->APB2FZ1 |= (DBGMCU_APB2FZ1_DBG_TIM1))
#define __HAL_DBGMCU_FREEZE_TIM8()           (DBGMCU->APB2FZ1 |= (DBGMCU_APB2FZ1_DBG_TIM8))
#define __HAL_DBGMCU_FREEZE_TIM15()          (DBGMCU->APB2FZ1 |= (DBGMCU_APB2FZ1_DBG_TIM15))
#define __HAL_DBGMCU_FREEZE_TIM16()          (DBGMCU->APB2FZ1 |= (DBGMCU_APB2FZ1_DBG_TIM16))
#define __HAL_DBGMCU_FREEZE_TIM17()          (DBGMCU->APB2FZ1 |= (DBGMCU_APB2FZ1_DBG_TIM17))
#define __HAL_DBGMCU_FREEZE_HRTIM()          (DBGMCU->APB2FZ1 |= (DBGMCU_APB2FZ1_DBG_HRTIM))

#define __HAL_DBGMCU_FREEZE_I2C4()           (DBGMCU->APB4FZ1 |= (DBGMCU_APB4FZ1_DBG_I2C4))
#define __HAL_DBGMCU_FREEZE_LPTIM2()         (DBGMCU->APB4FZ1 |= (DBGMCU_APB4FZ1_DBG_LPTIM2))
#define __HAL_DBGMCU_FREEZE_LPTIM3()         (DBGMCU->APB4FZ1 |= (DBGMCU_APB4FZ1_DBG_LPTIM3))
#define __HAL_DBGMCU_FREEZE_LPTIM4()         (DBGMCU->APB4FZ1 |= (DBGMCU_APB4FZ1_DBG_LPTIM4))
#define __HAL_DBGMCU_FREEZE_LPTIM5()         (DBGMCU->APB4FZ1 |= (DBGMCU_APB4FZ1_DBG_LPTIM5))
#define __HAL_DBGMCU_FREEZE_RTC()            (DBGMCU->APB4FZ1 |= (DBGMCU_APB4FZ1_DBG_RTC))
#define __HAL_DBGMCU_FREEZE_IWDG1()          (DBGMCU->APB4FZ1 |= (DBGMCU_APB4FZ1_DBG_IWDG1))


#define __HAL_DBGMCU_UnFreeze_WWDG1()          (DBGMCU->APB3FZ1  &= ~ (DBGMCU_APB3FZ1_DBG_WWDG1))

#define __HAL_DBGMCU_UnFreeze_TIM2()           (DBGMCU->APB1LFZ1  &= ~ (DBGMCU_APB1LFZ1_DBG_TIM2))
#define __HAL_DBGMCU_UnFreeze_TIM3()           (DBGMCU->APB1LFZ1  &= ~ (DBGMCU_APB1LFZ1_DBG_TIM3))
#define __HAL_DBGMCU_UnFreeze_TIM4()           (DBGMCU->APB1LFZ1  &= ~ (DBGMCU_APB1LFZ1_DBG_TIM4))
#define __HAL_DBGMCU_UnFreeze_TIM5()           (DBGMCU->APB1LFZ1  &= ~ (DBGMCU_APB1LFZ1_DBG_TIM5))
#define __HAL_DBGMCU_UnFreeze_TIM6()           (DBGMCU->APB1LFZ1  &= ~ (DBGMCU_APB1LFZ1_DBG_TIM6))
#define __HAL_DBGMCU_UnFreeze_TIM7()           (DBGMCU->APB1LFZ1  &= ~ (DBGMCU_APB1LFZ1_DBG_TIM7))
#define __HAL_DBGMCU_UnFreeze_TIM12()          (DBGMCU->APB1LFZ1  &= ~ (DBGMCU_APB1LFZ1_DBG_TIM12))
#define __HAL_DBGMCU_UnFreeze_TIM13()          (DBGMCU->APB1LFZ1  &= ~ (DBGMCU_APB1LFZ1_DBG_TIM13))
#define __HAL_DBGMCU_UnFreeze_TIM14()          (DBGMCU->APB1LFZ1  &= ~ (DBGMCU_APB1LFZ1_DBG_TIM14))
#define __HAL_DBGMCU_UnFreeze_LPTIM1()         (DBGMCU->APB1LFZ1  &= ~ (DBGMCU_APB1LFZ1_DBG_LPTIM1))
#define __HAL_DBGMCU_UnFreeze_I2C1()           (DBGMCU->APB1LFZ1  &= ~ (DBGMCU_APB1LFZ1_DBG_I2C1))
#define __HAL_DBGMCU_UnFreeze_I2C2()           (DBGMCU->APB1LFZ1  &= ~ (DBGMCU_APB1LFZ1_DBG_I2C2))
#define __HAL_DBGMCU_UnFreeze_I2C3()           (DBGMCU->APB1LFZ1  &= ~ (DBGMCU_APB1LFZ1_DBG_I2C3))
#define __HAL_DBGMCU_UnFreeze_FDCAN()          (DBGMCU->APB1HFZ1  &= ~ (DBGMCU_APB1HFZ1_DBG_FDCAN))


#define __HAL_DBGMCU_UnFreeze_TIM1()           (DBGMCU->APB2FZ1  &= ~ (DBGMCU_APB2FZ1_DBG_TIM1))
#define __HAL_DBGMCU_UnFreeze_TIM8()           (DBGMCU->APB2FZ1  &= ~ (DBGMCU_APB2FZ1_DBG_TIM8))
#define __HAL_DBGMCU_UnFreeze_TIM15()          (DBGMCU->APB2FZ1  &= ~ (DBGMCU_APB2FZ1_DBG_TIM15))
#define __HAL_DBGMCU_UnFreeze_TIM16()          (DBGMCU->APB2FZ1  &= ~ (DBGMCU_APB2FZ1_DBG_TIM16))
#define __HAL_DBGMCU_UnFreeze_TIM17()          (DBGMCU->APB2FZ1  &= ~ (DBGMCU_APB2FZ1_DBG_TIM17))
#define __HAL_DBGMCU_UnFreeze_HRTIM()          (DBGMCU->APB2FZ1  &= ~ (DBGMCU_APB2FZ1_DBG_HRTIM))

#define __HAL_DBGMCU_UnFreeze_I2C4()           (DBGMCU->APB4FZ1  &= ~ (DBGMCU_APB4FZ1_DBG_I2C4))
#define __HAL_DBGMCU_UnFreeze_LPTIM2()         (DBGMCU->APB4FZ1  &= ~ (DBGMCU_APB4FZ1_DBG_LPTIM2))
#define __HAL_DBGMCU_UnFreeze_LPTIM3()         (DBGMCU->APB4FZ1  &= ~ (DBGMCU_APB4FZ1_DBG_LPTIM3))
#define __HAL_DBGMCU_UnFreeze_LPTIM4()         (DBGMCU->APB4FZ1  &= ~ (DBGMCU_APB4FZ1_DBG_LPTIM4))
#define __HAL_DBGMCU_UnFreeze_LPTIM5()         (DBGMCU->APB4FZ1  &= ~ (DBGMCU_APB4FZ1_DBG_LPTIM5))
#define __HAL_DBGMCU_UnFreeze_RTC()            (DBGMCU->APB4FZ1  &= ~ (DBGMCU_APB4FZ1_DBG_RTC))
#define __HAL_DBGMCU_UnFreeze_IWDG1()          (DBGMCU->APB4FZ1  &= ~ (DBGMCU_APB4FZ1_DBG_IWDG1))


#if defined(DUAL_CORE)
#define __HAL_DBGMCU_FREEZE2_IWDG2()          (DBGMCU->APB4FZ2  |= (DBGMCU_APB4FZ2_DBG_IWDG2))
#define __HAL_DBGMCU_FREEZE2_WWDG2()          (DBGMCU->APB1LFZ2 |= (DBGMCU_APB1LFZ2_DBG_WWDG2))

#define __HAL_DBGMCU_UnFreeze2_IWDG2()        (DBGMCU->APB4FZ2  &= ~ (DBGMCU_APB4FZ2_DBG_IWDG2))
#define __HAL_DBGMCU_UnFreeze2_WWDG2()        (DBGMCU->APB1LFZ2 &= ~ (DBGMCU_APB1LFZ2_DBG_WWDG2))


#define __HAL_DBGMCU_FREEZE2_WWDG1()          (DBGMCU->APB3FZ2 |= (DBGMCU_APB3FZ2_DBG_WWDG1))

#define __HAL_DBGMCU_FREEZE2_TIM2()           (DBGMCU->APB1LFZ2 |= (DBGMCU_APB1LFZ2_DBG_TIM2))
#define __HAL_DBGMCU_FREEZE2_TIM3()           (DBGMCU->APB1LFZ2 |= (DBGMCU_APB1LFZ2_DBG_TIM3))
#define __HAL_DBGMCU_FREEZE2_TIM4()           (DBGMCU->APB1LFZ2 |= (DBGMCU_APB1LFZ2_DBG_TIM4))
#define __HAL_DBGMCU_FREEZE2_TIM5()           (DBGMCU->APB1LFZ2 |= (DBGMCU_APB1LFZ2_DBG_TIM5))
#define __HAL_DBGMCU_FREEZE2_TIM6()           (DBGMCU->APB1LFZ2 |= (DBGMCU_APB1LFZ2_DBG_TIM6))
#define __HAL_DBGMCU_FREEZE2_TIM7()           (DBGMCU->APB1LFZ2 |= (DBGMCU_APB1LFZ2_DBG_TIM7))
#define __HAL_DBGMCU_FREEZE2_TIM12()          (DBGMCU->APB1LFZ2 |= (DBGMCU_APB1LFZ2_DBG_TIM12))
#define __HAL_DBGMCU_FREEZE2_TIM13()          (DBGMCU->APB1LFZ2 |= (DBGMCU_APB1LFZ2_DBG_TIM13))
#define __HAL_DBGMCU_FREEZE2_TIM14()          (DBGMCU->APB1LFZ2 |= (DBGMCU_APB1LFZ2_DBG_TIM14))
#define __HAL_DBGMCU_FREEZE2_LPTIM1()         (DBGMCU->APB1LFZ2 |= (DBGMCU_APB1LFZ2_DBG_LPTIM1))
#define __HAL_DBGMCU_FREEZE2_I2C1()           (DBGMCU->APB1LFZ2 |= (DBGMCU_APB1LFZ2_DBG_I2C1))
#define __HAL_DBGMCU_FREEZE2_I2C2()           (DBGMCU->APB1LFZ2 |= (DBGMCU_APB1LFZ2_DBG_I2C2))
#define __HAL_DBGMCU_FREEZE2_I2C3()           (DBGMCU->APB1LFZ2 |= (DBGMCU_APB1LFZ2_DBG_I2C3))
#define __HAL_DBGMCU_FREEZE2_FDCAN()          (DBGMCU->APB1HFZ2 |= (DBGMCU_APB1HFZ2_DBG_FDCAN))


#define __HAL_DBGMCU_FREEZE2_TIM1()           (DBGMCU->APB2FZ2 |= (DBGMCU_APB2FZ2_DBG_TIM1))
#define __HAL_DBGMCU_FREEZE2_TIM8()           (DBGMCU->APB2FZ2 |= (DBGMCU_APB2FZ2_DBG_TIM8))
#define __HAL_DBGMCU_FREEZE2_TIM15()          (DBGMCU->APB2FZ2 |= (DBGMCU_APB2FZ2_DBG_TIM15))
#define __HAL_DBGMCU_FREEZE2_TIM16()          (DBGMCU->APB2FZ2 |= (DBGMCU_APB2FZ2_DBG_TIM16))
#define __HAL_DBGMCU_FREEZE2_TIM17()          (DBGMCU->APB2FZ2 |= (DBGMCU_APB2FZ2_DBG_TIM17))
#define __HAL_DBGMCU_FREEZE2_HRTIM()          (DBGMCU->APB2FZ2 |= (DBGMCU_APB2FZ2_DBG_HRTIM))

#define __HAL_DBGMCU_FREEZE2_I2C4()           (DBGMCU->APB4FZ2 |= (DBGMCU_APB4FZ2_DBG_I2C4))
#define __HAL_DBGMCU_FREEZE2_LPTIM2()         (DBGMCU->APB4FZ2 |= (DBGMCU_APB4FZ2_DBG_LPTIM2))
#define __HAL_DBGMCU_FREEZE2_LPTIM3()         (DBGMCU->APB4FZ2 |= (DBGMCU_APB4FZ2_DBG_LPTIM3))
#define __HAL_DBGMCU_FREEZE2_LPTIM4()         (DBGMCU->APB4FZ2 |= (DBGMCU_APB4FZ2_DBG_LPTIM4))
#define __HAL_DBGMCU_FREEZE2_LPTIM5()         (DBGMCU->APB4FZ2 |= (DBGMCU_APB4FZ2_DBG_LPTIM5))
#define __HAL_DBGMCU_FREEZE2_RTC()            (DBGMCU->APB4FZ2 |= (DBGMCU_APB4FZ2_DBG_RTC))
#define __HAL_DBGMCU_FREEZE2_IWDG1()          (DBGMCU->APB4FZ2 |= (DBGMCU_APB4FZ2_DBG_IWDG1))

#define __HAL_DBGMCU_UnFreeze2_WWDG1()          (DBGMCU->APB3FZ2  &= ~ (DBGMCU_APB3FZ2_DBG_WWDG1))

#define __HAL_DBGMCU_UnFreeze2_TIM2()           (DBGMCU->APB1LFZ2  &= ~ (DBGMCU_APB1LFZ2_DBG_TIM2))
#define __HAL_DBGMCU_UnFreeze2_TIM3()           (DBGMCU->APB1LFZ2  &= ~ (DBGMCU_APB1LFZ2_DBG_TIM3))
#define __HAL_DBGMCU_UnFreeze2_TIM4()           (DBGMCU->APB1LFZ2  &= ~ (DBGMCU_APB1LFZ2_DBG_TIM4))
#define __HAL_DBGMCU_UnFreeze2_TIM5()           (DBGMCU->APB1LFZ2  &= ~ (DBGMCU_APB1LFZ2_DBG_TIM5))
#define __HAL_DBGMCU_UnFreeze2_TIM6()           (DBGMCU->APB1LFZ2  &= ~ (DBGMCU_APB1LFZ2_DBG_TIM6))
#define __HAL_DBGMCU_UnFreeze2_TIM7()           (DBGMCU->APB1LFZ2  &= ~ (DBGMCU_APB1LFZ2_DBG_TIM7))
#define __HAL_DBGMCU_UnFreeze2_TIM12()          (DBGMCU->APB1LFZ2  &= ~ (DBGMCU_APB1LFZ2_DBG_TIM12))
#define __HAL_DBGMCU_UnFreeze2_TIM13()          (DBGMCU->APB1LFZ2  &= ~ (DBGMCU_APB1LFZ2_DBG_TIM13))
#define __HAL_DBGMCU_UnFreeze2_TIM14()          (DBGMCU->APB1LFZ2  &= ~ (DBGMCU_APB1LFZ2_DBG_TIM14))
#define __HAL_DBGMCU_UnFreeze2_LPTIM1()         (DBGMCU->APB1LFZ2  &= ~ (DBGMCU_APB1LFZ2_DBG_LPTIM1))
#define __HAL_DBGMCU_UnFreeze2_I2C1()           (DBGMCU->APB1LFZ2  &= ~ (DBGMCU_APB1LFZ2_DBG_I2C1))
#define __HAL_DBGMCU_UnFreeze2_I2C2()           (DBGMCU->APB1LFZ2  &= ~ (DBGMCU_APB1LFZ2_DBG_I2C2))
#define __HAL_DBGMCU_UnFreeze2_I2C3()           (DBGMCU->APB1LFZ2  &= ~ (DBGMCU_APB1LFZ2_DBG_I2C3))
#define __HAL_DBGMCU_UnFreeze2_FDCAN()          (DBGMCU->APB1HFZ2  &= ~ (DBGMCU_APB1HFZ2_DBG_FDCAN))


#define __HAL_DBGMCU_UnFreeze2_TIM1()           (DBGMCU->APB2FZ2  &= ~ (DBGMCU_APB2FZ2_DBG_TIM1))
#define __HAL_DBGMCU_UnFreeze2_TIM8()           (DBGMCU->APB2FZ2  &= ~ (DBGMCU_APB2FZ2_DBG_TIM8))
#define __HAL_DBGMCU_UnFreeze2_TIM15()          (DBGMCU->APB2FZ2  &= ~ (DBGMCU_APB2FZ2_DBG_TIM15))
#define __HAL_DBGMCU_UnFreeze2_TIM16()          (DBGMCU->APB2FZ2  &= ~ (DBGMCU_APB2FZ2_DBG_TIM16))
#define __HAL_DBGMCU_UnFreeze2_TIM17()          (DBGMCU->APB2FZ2  &= ~ (DBGMCU_APB2FZ2_DBG_TIM17))
#define __HAL_DBGMCU_UnFreeze2_HRTIM()          (DBGMCU->APB2FZ2  &= ~ (DBGMCU_APB2FZ2_DBG_HRTIM))

#define __HAL_DBGMCU_UnFreeze2_I2C4()           (DBGMCU->APB4FZ2  &= ~ (DBGMCU_APB4FZ2_DBG_I2C4))
#define __HAL_DBGMCU_UnFreeze2_LPTIM2()         (DBGMCU->APB4FZ2  &= ~ (DBGMCU_APB4FZ2_DBG_LPTIM2))
#define __HAL_DBGMCU_UnFreeze2_LPTIM3()         (DBGMCU->APB4FZ2  &= ~ (DBGMCU_APB4FZ2_DBG_LPTIM3))
#define __HAL_DBGMCU_UnFreeze2_LPTIM4()         (DBGMCU->APB4FZ2  &= ~ (DBGMCU_APB4FZ2_DBG_LPTIM4))
#define __HAL_DBGMCU_UnFreeze2_LPTIM5()         (DBGMCU->APB4FZ2  &= ~ (DBGMCU_APB4FZ2_DBG_LPTIM5))
#define __HAL_DBGMCU_UnFreeze2_RTC()            (DBGMCU->APB4FZ2  &= ~ (DBGMCU_APB4FZ2_DBG_RTC))
#define __HAL_DBGMCU_UnFreeze2_IWDG1()          (DBGMCU->APB4FZ2  &= ~ (DBGMCU_APB4FZ2_DBG_IWDG1))

#endif /*DUAL_CORE*/

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[LTDC] 调试状态LTDC外设是无法冻结的，使用时要注意，大部分外设都是可以冻结的