STM32F439xx HAL User Manual
Defines
LTDC Exported Macros
LTDC

Defines

#define __HAL_LTDC_RESET_HANDLE_STATE(__HANDLE__)   ((__HANDLE__)->State = HAL_LTDC_STATE_RESET)
 Reset LTDC handle state.
#define __HAL_LTDC_ENABLE(__HANDLE__)   ((__HANDLE__)->Instance->GCR |= LTDC_GCR_LTDCEN)
 Enable the LTDC.
#define __HAL_LTDC_DISABLE(__HANDLE__)   ((__HANDLE__)->Instance->GCR &= ~(LTDC_GCR_LTDCEN))
 Disable the LTDC.
#define __HAL_LTDC_LAYER_ENABLE(__HANDLE__, __LAYER__)   ((LTDC_LAYER((__HANDLE__), (__LAYER__)))->CR |= (uint32_t)LTDC_LxCR_LEN)
 Enable the LTDC Layer.
#define __HAL_LTDC_LAYER_DISABLE(__HANDLE__, __LAYER__)   ((LTDC_LAYER((__HANDLE__), (__LAYER__)))->CR &= ~(uint32_t)LTDC_LxCR_LEN)
 Disable the LTDC Layer.
#define __HAL_LTDC_RELOAD_IMMEDIATE_CONFIG(__HANDLE__)   ((__HANDLE__)->Instance->SRCR |= LTDC_SRCR_IMR)
 Reload immediately all LTDC Layers.
#define __HAL_LTDC_VERTICAL_BLANKING_RELOAD_CONFIG(__HANDLE__)   ((__HANDLE__)->Instance->SRCR |= LTDC_SRCR_VBR)
 Reload during vertical blanking period all LTDC Layers.
#define __HAL_LTDC_GET_FLAG(__HANDLE__, __FLAG__)   ((__HANDLE__)->Instance->ISR & (__FLAG__))
 Get the LTDC pending flags.
#define __HAL_LTDC_CLEAR_FLAG(__HANDLE__, __FLAG__)   ((__HANDLE__)->Instance->ICR = (__FLAG__))
 Clears the LTDC pending flags.
#define __HAL_LTDC_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->IER |= (__INTERRUPT__))
 Enables the specified LTDC interrupts.
#define __HAL_LTDC_DISABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->IER &= ~(__INTERRUPT__))
 Disables the specified LTDC interrupts.
#define __HAL_LTDC_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->IER & (__INTERRUPT__))
 Check whether the specified LTDC interrupt has occurred or not.

Define Documentation

#define __HAL_LTDC_CLEAR_FLAG (   __HANDLE__,
  __FLAG__ 
)    ((__HANDLE__)->Instance->ICR = (__FLAG__))

Clears the LTDC pending flags.

Parameters:
__HANDLE__LTDC handle
__FLAG__Specify the flag to clear. This parameter can be any combination of the following values:
  • LTDC_FLAG_LI: Line Interrupt flag
  • LTDC_FLAG_FU: FIFO Underrun Interrupt flag
  • LTDC_FLAG_TE: Transfer Error interrupt flag
  • LTDC_FLAG_RR: Register Reload Interrupt Flag
Return values:
None

Definition at line 449 of file stm32f4xx_hal_ltdc.h.

Referenced by HAL_LTDC_IRQHandler().

#define __HAL_LTDC_DISABLE (   __HANDLE__)    ((__HANDLE__)->Instance->GCR &= ~(LTDC_GCR_LTDCEN))

Disable the LTDC.

Parameters:
__HANDLE__LTDC handle
Return values:
None.

Definition at line 390 of file stm32f4xx_hal_ltdc.h.

#define __HAL_LTDC_DISABLE_IT (   __HANDLE__,
  __INTERRUPT__ 
)    ((__HANDLE__)->Instance->IER &= ~(__INTERRUPT__))

Disables the specified LTDC interrupts.

Parameters:
__HANDLE__LTDC handle
__INTERRUPT__Specify the LTDC interrupt sources to be disabled. This parameter can be any combination of the following values:
  • LTDC_IT_LI: Line Interrupt flag
  • LTDC_IT_FU: FIFO Underrun Interrupt flag
  • LTDC_IT_TE: Transfer Error interrupt flag
  • LTDC_IT_RR: Register Reload Interrupt Flag
Return values:
None

Definition at line 475 of file stm32f4xx_hal_ltdc.h.

Referenced by HAL_LTDC_IRQHandler(), and HAL_LTDC_ProgramLineEvent().

#define __HAL_LTDC_ENABLE (   __HANDLE__)    ((__HANDLE__)->Instance->GCR |= LTDC_GCR_LTDCEN)

Enable the LTDC.

Parameters:
__HANDLE__LTDC handle
Return values:
None.

Definition at line 383 of file stm32f4xx_hal_ltdc.h.

Referenced by HAL_LTDC_Init().

#define __HAL_LTDC_ENABLE_IT (   __HANDLE__,
  __INTERRUPT__ 
)    ((__HANDLE__)->Instance->IER |= (__INTERRUPT__))

Enables the specified LTDC interrupts.

Parameters:
__HANDLE__LTDC handle
__INTERRUPT__Specify the LTDC interrupt sources to be enabled. This parameter can be any combination of the following values:
  • LTDC_IT_LI: Line Interrupt flag
  • LTDC_IT_FU: FIFO Underrun Interrupt flag
  • LTDC_IT_TE: Transfer Error interrupt flag
  • LTDC_IT_RR: Register Reload Interrupt Flag
Return values:
None

Definition at line 462 of file stm32f4xx_hal_ltdc.h.

Referenced by HAL_LTDC_Init(), HAL_LTDC_ProgramLineEvent(), and HAL_LTDC_Reload().

#define __HAL_LTDC_GET_FLAG (   __HANDLE__,
  __FLAG__ 
)    ((__HANDLE__)->Instance->ISR & (__FLAG__))

Get the LTDC pending flags.

Parameters:
__HANDLE__LTDC handle
__FLAG__Get the specified flag. This parameter can be any combination of the following values:
  • LTDC_FLAG_LI: Line Interrupt flag
  • LTDC_FLAG_FU: FIFO Underrun Interrupt flag
  • LTDC_FLAG_TE: Transfer Error interrupt flag
  • LTDC_FLAG_RR: Register Reload Interrupt Flag
Return values:
Thestate of FLAG (SET or RESET).

Definition at line 436 of file stm32f4xx_hal_ltdc.h.

#define __HAL_LTDC_GET_IT_SOURCE (   __HANDLE__,
  __INTERRUPT__ 
)    ((__HANDLE__)->Instance->IER & (__INTERRUPT__))

Check whether the specified LTDC interrupt has occurred or not.

Parameters:
__HANDLE__LTDC handle
__INTERRUPT__Specify the LTDC interrupt source to check. This parameter can be one of the following values:
  • LTDC_IT_LI: Line Interrupt flag
  • LTDC_IT_FU: FIFO Underrun Interrupt flag
  • LTDC_IT_TE: Transfer Error interrupt flag
  • LTDC_IT_RR: Register Reload Interrupt Flag
Return values:
Thestate of INTERRUPT (SET or RESET).

Definition at line 488 of file stm32f4xx_hal_ltdc.h.

#define __HAL_LTDC_LAYER_DISABLE (   __HANDLE__,
  __LAYER__ 
)    ((LTDC_LAYER((__HANDLE__), (__LAYER__)))->CR &= ~(uint32_t)LTDC_LxCR_LEN)

Disable the LTDC Layer.

Parameters:
__HANDLE__LTDC handle
__LAYER__Specify the layer to be disabled. This parameter can be LTDC_LAYER_1 (0) or LTDC_LAYER_2 (1).
Return values:
None.

Definition at line 408 of file stm32f4xx_hal_ltdc.h.

#define __HAL_LTDC_LAYER_ENABLE (   __HANDLE__,
  __LAYER__ 
)    ((LTDC_LAYER((__HANDLE__), (__LAYER__)))->CR |= (uint32_t)LTDC_LxCR_LEN)

Enable the LTDC Layer.

Parameters:
__HANDLE__LTDC handle
__LAYER__Specify the layer to be enabled. This parameter can be LTDC_LAYER_1 (0) or LTDC_LAYER_2 (1).
Return values:
None.

Definition at line 399 of file stm32f4xx_hal_ltdc.h.

#define __HAL_LTDC_RELOAD_IMMEDIATE_CONFIG (   __HANDLE__)    ((__HANDLE__)->Instance->SRCR |= LTDC_SRCR_IMR)

Reload immediately all LTDC Layers.

Parameters:
__HANDLE__LTDC handle
Return values:
None.

Definition at line 415 of file stm32f4xx_hal_ltdc.h.

#define __HAL_LTDC_RESET_HANDLE_STATE (   __HANDLE__)    ((__HANDLE__)->State = HAL_LTDC_STATE_RESET)

Reset LTDC handle state.

Parameters:
__HANDLE__LTDC handle
Return values:
None

Definition at line 376 of file stm32f4xx_hal_ltdc.h.

#define __HAL_LTDC_VERTICAL_BLANKING_RELOAD_CONFIG (   __HANDLE__)    ((__HANDLE__)->Instance->SRCR |= LTDC_SRCR_VBR)

Reload during vertical blanking period all LTDC Layers.

Parameters:
__HANDLE__LTDC handle
Return values:
None.

Definition at line 422 of file stm32f4xx_hal_ltdc.h.

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