STM32F439xx HAL User Manual
Defines
SPI Direction Mode
SPI Exported Constants

Defines

#define SPI_DIRECTION_2LINES   0x00000000U
#define SPI_DIRECTION_2LINES_RXONLY   SPI_CR1_RXONLY
#define SPI_DIRECTION_1LINE   SPI_CR1_BIDIMODE

Define Documentation

#define SPI_DIRECTION_1LINE   SPI_CR1_BIDIMODE
#define SPI_DIRECTION_2LINES   0x00000000U
#define SPI_DIRECTION_2LINES_RXONLY   SPI_CR1_RXONLY