Macros
Transfer Mode
Peripheral Driver » LL Driver » SPI » Defines » SPI Exported Constants

## Macros
#define | LL_SSI_FULL_DUPLEX 0x00000000UL
#define | LL_SSI_SIMPLEX_TX (1UL << SSI_CTRL0_TMOD_Pos)
#define | LL_SSI_SIMPLEX_RX (2UL << SSI_CTRL0_TMOD_Pos)
#define | LL_SSI_READ_EEPROM (3UL << SSI_CTRL0_TMOD_Pos)

## Detailed Description

## Macro Definition Documentation

## ◆ LL_SSI_FULL_DUPLEX

#define LL_SSI_FULL_DUPLEX 0x00000000UL

Full-Duplex mode. Rx and Tx transfer on 2 lines

Definition at line 320 of file gr55xx_ll_spi.h.

## ◆ LL_SSI_READ_EEPROM

#define LL_SSI_READ_EEPROM (3UL << SSI_CTRL0_TMOD_Pos)

Read EEPROM mode. Rx transfer only on 1 line

Definition at line 323 of file gr55xx_ll_spi.h.

## ◆ LL_SSI_SIMPLEX_RX

#define LL_SSI_SIMPLEX_RX (2UL << SSI_CTRL0_TMOD_Pos)

Simplex Rx mode. Rx transfer only on 1 line

Definition at line 322 of file gr55xx_ll_spi.h.

## ◆ LL_SSI_SIMPLEX_TX

#define LL_SSI_SIMPLEX_TX (1UL << SSI_CTRL0_TMOD_Pos)

Simplex Tx mode. Tx transfer only on 1 line

Definition at line 321 of file gr55xx_ll_spi.h.