ST STM32F2 User Manual

LL USART Generic Driver
UM1940
1284/1371
DocID028236 Rev 2
Function description
Check if DMA Mode is enabled for reception.
Parameters
USARTx: USART Instance
Return values
State: of bit (1 or 0).
Reference Manual to
LL API cross
reference:
CR3 DMAR LL_USART_IsEnabledDMAReq_RX
LL_USART_EnableDMAReq_TX
Function name
__STATIC_INLINE void LL_USART_EnableDMAReq_TX
(USART_TypeDef * USARTx)
Function description
Enable DMA Mode for transmission.
Parameters
USARTx: USART Instance
Return values
None:
Reference Manual to
LL API cross
reference:
CR3 DMAT LL_USART_EnableDMAReq_TX
LL_USART_DisableDMAReq_TX
Function name
__STATIC_INLINE void LL_USART_DisableDMAReq_TX
(USART_TypeDef * USARTx)
Function description
Disable DMA Mode for transmission.
Parameters
USARTx: USART Instance
Return values
None:
Reference Manual to
LL API cross
reference:
CR3 DMAT LL_USART_DisableDMAReq_TX
LL_USART_IsEnabledDMAReq_TX
Function name
__STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_TX
(USART_TypeDef * USARTx)
Function description
Check if DMA Mode is enabled for transmission.
Parameters
USARTx: USART Instance
Return values
State: of bit (1 or 0).
Reference Manual to
LL API cross
reference:
CR3 DMAT LL_USART_IsEnabledDMAReq_TX
LL_USART_DMA_GetRegAddr
Function name
__STATIC_INLINE uint32_t LL_USART_DMA_GetRegAddr
(USART_TypeDef * USARTx)
Function description
Get the data register address used for DMA transfer.

ST STM32F2 Specifications

General

Brand	ST
Model	STM32F2
Category	Microcontrollers
Language	English