EUSART_SpiAdvancedInit_TypeDef Struct Reference
SPI Advanced initialization structure.
#include <em_eusart.h>
Data Fields | |
| EUSART_CsPolarity_TypeDef | csPolarity |
| Chip select polarity. | |
| EUSART_InvertIO_TypeDef | invertIO |
| Enable inversion of Rx and/or Tx signals. | |
| bool | autoCsEnable |
| Enable automatic chip select. CS is managed by the peripheral. | |
| bool | msbFirst |
| If true, data will be send with most significant bit first. | |
| uint8_t | autoCsSetupTime |
| Auto CS setup time (before transmission) in baud cycles. Acceptable value ( 0 to 7 baud cycle). | |
| uint8_t | autoCsHoldTime |
| Auto CS hold time (after transmission) in baud cycles. Acceptable value ( 0 to 7 baud cycle). | |
| uint8_t | autoInterFrameTime |
| Inter-frame time in baud cycles. Acceptable value ( 0 to 7 baud cycle). | |
| bool | autoTxEnable |
| Enable AUTOTX mode. | |
| uint16_t | defaultTxData |
| Default transmitted data when the TXFIFO is empty. | |
| bool | dmaWakeUpOnRx |
| Enable the automatic wake up from EM2 to EM1 for DMA Rx operation. | |
| bool | prsRxEnable |
| Enable EUSART capability to use a PRS channel as an input data line for the receiver. | |
| EUSART_PrsChannel_TypeDef | prsRxChannel |
| PRS Channel used to transmit data from PRS to the EUSART. | |
| bool | prsClockEnable |
| Enable EUSART capability to use a PRS channel as an input SPI Clock. | |
| EUSART_PrsChannel_TypeDef | prsClockChannel |
| PRS Channel used to transmit SCLK from PRS to the EUSART. | |
SPI Advanced initialization structure.
Field Documentation
◆ csPolarity
| EUSART_CsPolarity_TypeDef EUSART_SpiAdvancedInit_TypeDef::csPolarity |
Chip select polarity.
◆ invertIO
| EUSART_InvertIO_TypeDef EUSART_SpiAdvancedInit_TypeDef::invertIO |
Enable inversion of Rx and/or Tx signals.
◆ autoCsEnable
| bool EUSART_SpiAdvancedInit_TypeDef::autoCsEnable |
Enable automatic chip select. CS is managed by the peripheral.
◆ msbFirst
| bool EUSART_SpiAdvancedInit_TypeDef::msbFirst |
If true, data will be send with most significant bit first.
◆ autoCsSetupTime
| uint8_t EUSART_SpiAdvancedInit_TypeDef::autoCsSetupTime |
Auto CS setup time (before transmission) in baud cycles. Acceptable value ( 0 to 7 baud cycle).
◆ autoCsHoldTime
| uint8_t EUSART_SpiAdvancedInit_TypeDef::autoCsHoldTime |
Auto CS hold time (after transmission) in baud cycles. Acceptable value ( 0 to 7 baud cycle).
◆ autoInterFrameTime
| uint8_t EUSART_SpiAdvancedInit_TypeDef::autoInterFrameTime |
Inter-frame time in baud cycles. Acceptable value ( 0 to 7 baud cycle).
◆ autoTxEnable
| bool EUSART_SpiAdvancedInit_TypeDef::autoTxEnable |
Enable AUTOTX mode.
Transmits as long as the RX FIFO is not full. Generates underflow interrupt if the TX FIFO is empty.
◆ defaultTxData
| uint16_t EUSART_SpiAdvancedInit_TypeDef::defaultTxData |
Default transmitted data when the TXFIFO is empty.
◆ dmaWakeUpOnRx
| bool EUSART_SpiAdvancedInit_TypeDef::dmaWakeUpOnRx |
Enable the automatic wake up from EM2 to EM1 for DMA Rx operation.
Only applicable to EM2 (low frequency) capable EUSART instances.
◆ prsRxEnable
| bool EUSART_SpiAdvancedInit_TypeDef::prsRxEnable |
Enable EUSART capability to use a PRS channel as an input data line for the receiver.
The configured Rx GPIO signal won't be routed to the EUSART receiver.
◆ prsRxChannel
| EUSART_PrsChannel_TypeDef EUSART_SpiAdvancedInit_TypeDef::prsRxChannel |
PRS Channel used to transmit data from PRS to the EUSART.
◆ prsClockEnable
| bool EUSART_SpiAdvancedInit_TypeDef::prsClockEnable |
Enable EUSART capability to use a PRS channel as an input SPI Clock.
Slave mode only.
◆ prsClockChannel
| EUSART_PrsChannel_TypeDef EUSART_SpiAdvancedInit_TypeDef::prsClockChannel |
PRS Channel used to transmit SCLK from PRS to the EUSART.