思澈科技软件开发工具包  2.20
Macros
SPI FIFO Reception Threshold
Hardware Abstract Layer » SPI » SPI Exported Constants

This parameter can be one of the following values: SPI_RXFIFO_THRESHOLD or SPI_RXFIFO_THRESHOLD_QF : RXNE event is generated if the FIFO level is greater or equal to 1/2(16-bits). SPI_RXFIFO_THRESHOLD_HF: RXNE event is generated if the FIFO level is greater or equal to 1/4(8 bits). More...

Macros

#define SPI_RXFIFO_THRESHOLD   SPI_CR2_FRXTH
 
#define SPI_RXFIFO_THRESHOLD_QF   SPI_CR2_FRXTH
 
#define SPI_RXFIFO_THRESHOLD_HF   (0x00000000U)
 

Detailed Description

This parameter can be one of the following values: SPI_RXFIFO_THRESHOLD or SPI_RXFIFO_THRESHOLD_QF : RXNE event is generated if the FIFO level is greater or equal to 1/2(16-bits). SPI_RXFIFO_THRESHOLD_HF: RXNE event is generated if the FIFO level is greater or equal to 1/4(8 bits).

SPI_CRC_length