Configuration functions

Functions

__STATIC_INLINE void ll_spi_enable_ss_toggle (spi_regs_t *SPIx)
 Enable slave select toggle. More...
 
__STATIC_INLINE void ll_spi_disable_ss_toggle (spi_regs_t *SPIx)
 Disable slave select toggle. More...
 
__STATIC_INLINE uint32_t ll_spi_is_enabled_ss_toggle (spi_regs_t *SPIx)
 Check if slave select toggle is enabled. More...
 
__STATIC_INLINE void ll_spi_set_data_size (spi_regs_t *SPIx, uint32_t size)
 Set frame data size. More...
 
__STATIC_INLINE uint32_t ll_spi_get_data_size (spi_regs_t *SPIx)
 Get frame data size. More...
 
__STATIC_INLINE void ll_spi_set_control_frame_size (spi_regs_t *SPIx, uint32_t size)
 Set the length of the control word for the Microwire frame format. More...
 
__STATIC_INLINE uint32_t ll_spi_get_control_frame_size (spi_regs_t *SPIx)
 Get the length of the control word for the Microwire frame format. More...
 
__STATIC_INLINE void ll_spi_enable_test_mode (spi_regs_t *SPIx)
 Enable SPI test mode. More...
 
__STATIC_INLINE void ll_spi_disable_test_mode (spi_regs_t *SPIx)
 Disable SPI test mode. More...
 
__STATIC_INLINE uint32_t ll_spi_is_enabled_test_mode (spi_regs_t *SPIx)
 Check if SPI test mode is enabled. More...
 
__STATIC_INLINE void ll_spi_enable_slave_out (spi_regs_t *SPIx)
 Enable slave output. More...
 
__STATIC_INLINE void ll_spi_disable_salve_out (spi_regs_t *SPIx)
 Disable slave output. More...
 
__STATIC_INLINE uint32_t ll_spi_is_enabled_slave_out (spi_regs_t *SPIx)
 Check if slave output is enabled. More...
 
__STATIC_INLINE void ll_spi_set_transfer_direction (spi_regs_t *SPIx, uint32_t transfer_direction)
 Set transfer direction mode. More...
 
__STATIC_INLINE uint32_t ll_spi_get_transfer_direction (spi_regs_t *SPIx)
 Get transfer direction mode. More...
 
__STATIC_INLINE void ll_spi_set_clock_polarity (spi_regs_t *SPIx, uint32_t clock_polarity)
 Set clock polarity. More...
 
__STATIC_INLINE uint32_t ll_spi_get_clock_polarity (spi_regs_t *SPIx)
 Get clock polarity. More...
 
__STATIC_INLINE void ll_spi_set_clock_phase (spi_regs_t *SPIx, uint32_t clock_phase)
 Set clock phase. More...
 
__STATIC_INLINE uint32_t ll_spi_get_clock_phase (spi_regs_t *SPIx)
 Get clock phase. More...
 
__STATIC_INLINE void ll_spi_set_standard (spi_regs_t *SPIx, uint32_t standard)
 Set serial protocol used. More...
 
__STATIC_INLINE uint32_t ll_spi_get_standard (spi_regs_t *SPIx)
 Get serial protocol used. More...
 
__STATIC_INLINE void ll_spi_set_receive_size (spi_regs_t *SPIx, uint32_t size)
 Set the number of data frames to be continuously received. More...
 
__STATIC_INLINE uint32_t ll_spi_get_receive_size (spi_regs_t *SPIx)
 Get the number of data frames to be continuously received. More...
 
__STATIC_INLINE void ll_spi_enable (spi_regs_t *SPIx)
 Enable SPI peripheral. More...
 
__STATIC_INLINE void ll_spi_disable (spi_regs_t *SPIx)
 Disable SPI peripheral. More...
 
__STATIC_INLINE bool ll_spi_is_enabled (spi_regs_t *SPIx)
 Check if SPI peripheral is enabled. More...
 
__STATIC_INLINE void ll_spi_enable_micro_handshake (spi_regs_t *SPIx)
 Enable Handshake in Microwire mode. More...
 
__STATIC_INLINE void ll_spi_disable_micro_handshake (spi_regs_t *SPIx)
 Disable Handshake in Microwire mode. More...
 
__STATIC_INLINE uint32_t ll_spi_is_enabled_micro_handshake (spi_regs_t *SPIx)
 Check if Handshake in Microwire mode is enabled. More...
 
__STATIC_INLINE void ll_spi_set_micro_transfer_direction (spi_regs_t *SPIx, uint32_t transfer_direction)
 Set transfer direction mode in Microwire mode. More...
 
__STATIC_INLINE uint32_t ll_spi_get_micro_transfer_direction (spi_regs_t *SPIx)
 Get transfer direction mode in Microwire mode. More...
 
__STATIC_INLINE void ll_spi_set_micro_transfer_mode (spi_regs_t *SPIx, uint32_t transfer_mode)
 Set transfer mode in Microwire mode. More...
 
__STATIC_INLINE uint32_t ll_spi_get_micro_transfer_mode (spi_regs_t *SPIx)
 Get transfer mode in Microwire mode. More...
 
__STATIC_INLINE void ll_spi_enable_ss (spi_regs_t *SPIx, uint32_t ss)
 Enable slave select. More...
 
__STATIC_INLINE void ll_spi_disable_ss (spi_regs_t *SPIx, uint32_t ss)
 Disable slave select. More...
 
__STATIC_INLINE uint32_t ll_spi_is_enabled_ss (spi_regs_t *SPIx, uint32_t ss)
 Check if slave select is enabled. More...
 
__STATIC_INLINE void ll_spi_set_baud_rate_prescaler (spi_regs_t *SPIx, uint32_t baud_rate)
 Set baud rate prescaler. More...
 
__STATIC_INLINE uint32_t ll_spi_get_baud_rate_prescaler (spi_regs_t *SPIx)
 Get baud rate prescaler. More...
 
__STATIC_INLINE void ll_spi_set_tx_fifo_threshold (spi_regs_t *SPIx, uint32_t threshold)
 Set threshold of TXFIFO that triggers an TXE event. More...
 
__STATIC_INLINE uint32_t ll_spi_get_tx_fifo_threshold (spi_regs_t *SPIx)
 Get threshold of TXFIFO that triggers an TXE event. More...
 
__STATIC_INLINE void ll_spi_set_rx_fifo_threshold (spi_regs_t *SPIx, uint32_t threshold)
 Set threshold of RXFIFO that triggers an RXNE event. More...
 
__STATIC_INLINE uint32_t ll_spi_get_rx_fifo_threshold (spi_regs_t *SPIx)
 Get threshold of RXFIFO that triggers an RXNE event. More...
 
__STATIC_INLINE uint32_t ll_spi_get_tx_fifo_level (spi_regs_t *SPIx)
 Get FIFO Transmission Level. More...
 
__STATIC_INLINE uint32_t ll_spi_get_rx_fifo_level (spi_regs_t *SPIx)
 Get FIFO reception Level. More...
 

Detailed Description

Function Documentation

◆ ll_spi_disable()

__STATIC_INLINE void ll_spi_disable ( spi_regs_t *  SPIx)

Disable SPI peripheral.

Note
When disabling the SPI, follow the procedure described in the Reference Manual.

Register|BitsName --------|-------- SSI_EN | EN

Parameters
SPIxSPI instance
Return values
None

Definition at line 904 of file ll_spi.h.

◆ ll_spi_disable_micro_handshake()

__STATIC_INLINE void ll_spi_disable_micro_handshake ( spi_regs_t *  SPIx)

Disable Handshake in Microwire mode.

Register|BitsName --------|-------- MWC | MHS

Parameters
SPIxSPI instance
Return values
None

Definition at line 949 of file ll_spi.h.

◆ ll_spi_disable_salve_out()

__STATIC_INLINE void ll_spi_disable_salve_out ( spi_regs_t *  SPIx)

Disable slave output.

Register|BitsName --------|-------- CTRL0 | SLVOE

Parameters
SPIxSPI instance
Return values
None

Definition at line 670 of file ll_spi.h.

◆ ll_spi_disable_ss()

__STATIC_INLINE void ll_spi_disable_ss ( spi_regs_t *  SPIx,
uint32_t  ss 
)

Disable slave select.

Register|BitsName --------|-------- SE | SLAVE1 SE | SLAVE0

Parameters
SPIxSPI instance
ssThis parameter can be one of the following values:
Return values
None

Definition at line 1076 of file ll_spi.h.

◆ ll_spi_disable_ss_toggle()

__STATIC_INLINE void ll_spi_disable_ss_toggle ( spi_regs_t *  SPIx)

Disable slave select toggle.

Note
This bit should not be changed when communication is ongoing.

Register|BitsName --------|-------- CTRL0 | SSTEN

Parameters
SPIxSPI instance
Return values
None

Definition at line 425 of file ll_spi.h.

◆ ll_spi_disable_test_mode()

__STATIC_INLINE void ll_spi_disable_test_mode ( spi_regs_t *  SPIx)

Disable SPI test mode.

Register|BitsName --------|-------- CTRL0 | SRL

Parameters
SPIxSPI instance
Return values
None

Definition at line 625 of file ll_spi.h.

◆ ll_spi_enable()

__STATIC_INLINE void ll_spi_enable ( spi_regs_t *  SPIx)

Enable SPI peripheral.

Register|BitsName --------|-------- SSI_EN | EN

Parameters
SPIxSPI instance
Return values
None

Definition at line 888 of file ll_spi.h.

◆ ll_spi_enable_micro_handshake()

__STATIC_INLINE void ll_spi_enable_micro_handshake ( spi_regs_t *  SPIx)

Enable Handshake in Microwire mode.

Register|BitsName --------|-------- MWC | MHS

Parameters
SPIxSPI instance
Return values
None

Definition at line 934 of file ll_spi.h.

◆ ll_spi_enable_slave_out()

__STATIC_INLINE void ll_spi_enable_slave_out ( spi_regs_t *  SPIx)

Enable slave output.

Register|BitsName --------|-------- CTRL0 | SLVOE

Parameters
SPIxSPI instance
Return values
None

Definition at line 655 of file ll_spi.h.

◆ ll_spi_enable_ss()

__STATIC_INLINE void ll_spi_enable_ss ( spi_regs_t *  SPIx,
uint32_t  ss 
)

Enable slave select.

Register|BitsName --------|-------- SE | SLAVE1 SE | SLAVE0

Parameters
SPIxSPI instance
ssThis parameter can be one of the following values:
Return values
None

Definition at line 1057 of file ll_spi.h.

◆ ll_spi_enable_ss_toggle()

__STATIC_INLINE void ll_spi_enable_ss_toggle ( spi_regs_t *  SPIx)

Enable slave select toggle.

Note
This bit should not be changed when communication is ongoing.

Register|BitsName --------|-------- CTRL0 | SSTEN

Parameters
SPIxSPI instance
Return values
None

Definition at line 409 of file ll_spi.h.

◆ ll_spi_enable_test_mode()

__STATIC_INLINE void ll_spi_enable_test_mode ( spi_regs_t *  SPIx)

Enable SPI test mode.

Register|BitsName --------|-------- CTRL0 | SRL

Parameters
SPIxSPI instance
Return values
None

Definition at line 610 of file ll_spi.h.

◆ ll_spi_get_baud_rate_prescaler()

__STATIC_INLINE uint32_t ll_spi_get_baud_rate_prescaler ( spi_regs_t *  SPIx)

Get baud rate prescaler.

Register|BitsName --------|-------- BAUD | SCKDIV

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one even value between 2 and 65534.

Definition at line 1127 of file ll_spi.h.

◆ ll_spi_get_clock_phase()

__STATIC_INLINE uint32_t ll_spi_get_clock_phase ( spi_regs_t *  SPIx)

Get clock phase.

Register|BitsName --------|-------- CTRL0 | SCPHA

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values:

Definition at line 798 of file ll_spi.h.

◆ ll_spi_get_clock_polarity()

__STATIC_INLINE uint32_t ll_spi_get_clock_polarity ( spi_regs_t *  SPIx)

Get clock polarity.

Register|BitsName --------|-------- CTRL0 | SCPOL

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values:

Definition at line 761 of file ll_spi.h.

◆ ll_spi_get_control_frame_size()

__STATIC_INLINE uint32_t ll_spi_get_control_frame_size ( spi_regs_t *  SPIx)

Get the length of the control word for the Microwire frame format.

Note
This bit should be written only when SPI is disabled (SSI_EN = 0) for correct operation.

Register|BitsName --------|-------- CTRL0 | CFS

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values:

Definition at line 595 of file ll_spi.h.

◆ ll_spi_get_data_size()

◆ ll_spi_get_micro_transfer_direction()

__STATIC_INLINE uint32_t ll_spi_get_micro_transfer_direction ( spi_regs_t *  SPIx)

Get transfer direction mode in Microwire mode.

Note
This bit should not be changed when communication is ongoing.

Register|BitsName --------|-------- MWC | MDD

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values:

Definition at line 1001 of file ll_spi.h.

◆ ll_spi_get_micro_transfer_mode()

__STATIC_INLINE uint32_t ll_spi_get_micro_transfer_mode ( spi_regs_t *  SPIx)

Get transfer mode in Microwire mode.

Note
This bit should not be changed when communication is ongoing.

Register|BitsName --------|-------- MWC | MWMOD

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values:

Definition at line 1038 of file ll_spi.h.

◆ ll_spi_get_receive_size()

__STATIC_INLINE uint32_t ll_spi_get_receive_size ( spi_regs_t *  SPIx)

Get the number of data frames to be continuously received.

Note
These bits should not be changed when communication is ongoing. This bits are effect when TMOD = 2b10 or 2b11. This bits are not effect in SPIS.

Register|BitsName --------|-------- CTRL1 | NDF

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values: 0 ~ 65535

Definition at line 873 of file ll_spi.h.

◆ ll_spi_get_rx_fifo_level()

__STATIC_INLINE uint32_t ll_spi_get_rx_fifo_level ( spi_regs_t *  SPIx)

Get FIFO reception Level.

Register|BitsName --------|-------- RXFL | RXTFL

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values: 0 ~ LL_SPI_x_FIFO_DEPTH

Definition at line 1219 of file ll_spi.h.

◆ ll_spi_get_rx_fifo_threshold()

__STATIC_INLINE uint32_t ll_spi_get_rx_fifo_threshold ( spi_regs_t *  SPIx)

Get threshold of RXFIFO that triggers an RXNE event.

Register|BitsName --------|-------- RXFTL | RFT

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values: 0 ~ (LL_SPI_x_FIFO_DEPTH - 1)

Definition at line 1189 of file ll_spi.h.

◆ ll_spi_get_standard()

__STATIC_INLINE uint32_t ll_spi_get_standard ( spi_regs_t *  SPIx)

Get serial protocol used.

Register|BitsName --------|-------- CTRL0 | FRF

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values:

Definition at line 836 of file ll_spi.h.

◆ ll_spi_get_transfer_direction()

__STATIC_INLINE uint32_t ll_spi_get_transfer_direction ( spi_regs_t *  SPIx)

Get transfer direction mode.

Register|BitsName --------|-------- CTRL0 | TMOD

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values:

Definition at line 724 of file ll_spi.h.

◆ ll_spi_get_tx_fifo_level()

__STATIC_INLINE uint32_t ll_spi_get_tx_fifo_level ( spi_regs_t *  SPIx)

Get FIFO Transmission Level.

Register|BitsName --------|-------- TXFL | TXTFL

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values: 0 ~ LL_SPI_x_FIFO_DEPTH

Definition at line 1204 of file ll_spi.h.

◆ ll_spi_get_tx_fifo_threshold()

__STATIC_INLINE uint32_t ll_spi_get_tx_fifo_threshold ( spi_regs_t *  SPIx)

Get threshold of TXFIFO that triggers an TXE event.

Register|BitsName --------|-------- TXFTL | TFT

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values: 0 ~ (LL_SPI_x_FIFO_DEPTH - 1)

Definition at line 1158 of file ll_spi.h.

◆ ll_spi_is_enabled()

__STATIC_INLINE bool ll_spi_is_enabled ( spi_regs_t *  SPIx)

Check if SPI peripheral is enabled.

Register|BitsName --------|-------- SSI_EN | EN

Parameters
SPIxSPI instance
Return values
Stateof bit (1 or 0).

Definition at line 919 of file ll_spi.h.

◆ ll_spi_is_enabled_micro_handshake()

__STATIC_INLINE uint32_t ll_spi_is_enabled_micro_handshake ( spi_regs_t *  SPIx)

Check if Handshake in Microwire mode is enabled.

Register|BitsName --------|-------- MWC | MHS

Parameters
SPIxSPI instance
Return values
Stateof bit (1 or 0).

Definition at line 964 of file ll_spi.h.

◆ ll_spi_is_enabled_slave_out()

__STATIC_INLINE uint32_t ll_spi_is_enabled_slave_out ( spi_regs_t *  SPIx)

Check if slave output is enabled.

Register|BitsName --------|-------- CTRL0 | SLVOE

Parameters
SPIxSPI instance
Return values
Stateof bit (1 or 0).

Definition at line 685 of file ll_spi.h.

◆ ll_spi_is_enabled_ss()

__STATIC_INLINE uint32_t ll_spi_is_enabled_ss ( spi_regs_t *  SPIx,
uint32_t  ss 
)

Check if slave select is enabled.

Register|BitsName --------|-------- SE | SLAVE1 SE | SLAVE0

Parameters
SPIxSPI instance
ssThis parameter can be one of the following values:
Return values
Stateof bit (1 or 0).

Definition at line 1095 of file ll_spi.h.

◆ ll_spi_is_enabled_ss_toggle()

__STATIC_INLINE uint32_t ll_spi_is_enabled_ss_toggle ( spi_regs_t *  SPIx)

Check if slave select toggle is enabled.

Note
This bit should not be changed when communication is ongoing.

Register|BitsName --------|-------- CTRL0 | SSTEN

Parameters
SPIxSPI instance
Return values
Stateof bit (1 or 0).

Definition at line 441 of file ll_spi.h.

◆ ll_spi_is_enabled_test_mode()

__STATIC_INLINE uint32_t ll_spi_is_enabled_test_mode ( spi_regs_t *  SPIx)

Check if SPI test mode is enabled.

Register|BitsName --------|-------- CTRL0 | SRL

Parameters
SPIxSPI instance
Return values
Stateof bit (1 or 0).

Definition at line 640 of file ll_spi.h.

◆ ll_spi_set_baud_rate_prescaler()

__STATIC_INLINE void ll_spi_set_baud_rate_prescaler ( spi_regs_t *  SPIx,
uint32_t  baud_rate 
)

Set baud rate prescaler.

Note
These bits should not be changed when communication is ongoing. SPI BaudRate = fPCLK/Prescaler.

Register|BitsName --------|-------- BAUD | SCKDIV

Parameters
SPIxSPI instance
baud_rateThis parameter can be one even value between 2 and 65534, if the value is 0, the SCLK is disable.
Return values
None

Definition at line 1112 of file ll_spi.h.

◆ ll_spi_set_clock_phase()

__STATIC_INLINE void ll_spi_set_clock_phase ( spi_regs_t *  SPIx,
uint32_t  clock_phase 
)

Set clock phase.

Note
This bit should not be changed when communication is ongoing. This bit is not used in SPI TI mode.

Register|BitsName --------|-------- CTRL0 | SCPHA

Parameters
SPIxSPI instance
clock_phaseThis parameter can be one of the following values:
Return values
None

Definition at line 781 of file ll_spi.h.

◆ ll_spi_set_clock_polarity()

__STATIC_INLINE void ll_spi_set_clock_polarity ( spi_regs_t *  SPIx,
uint32_t  clock_polarity 
)

Set clock polarity.

Note
This bit should not be changed when communication is ongoing. This bit is not used in SPI TI mode.

Register|BitsName --------|-------- CTRL0 | SCPOL

Parameters
SPIxSPI instance
clock_polarityThis parameter can be one of the following values:
Return values
None

Definition at line 744 of file ll_spi.h.

◆ ll_spi_set_control_frame_size()

__STATIC_INLINE void ll_spi_set_control_frame_size ( spi_regs_t *  SPIx,
uint32_t  size 
)

Set the length of the control word for the Microwire frame format.

Note
This bit should be written only when SPI is disabled (SSI_EN = 0) for correct operation.

Register|BitsName --------|-------- CTRL0 | CFS

Parameters
SPIxSPI instance
sizeThis parameter can be one of the following values:
Return values
None

Definition at line 563 of file ll_spi.h.

◆ ll_spi_set_data_size()

◆ ll_spi_set_micro_transfer_direction()

__STATIC_INLINE void ll_spi_set_micro_transfer_direction ( spi_regs_t *  SPIx,
uint32_t  transfer_direction 
)

Set transfer direction mode in Microwire mode.

Note
This bit should not be changed when communication is ongoing.

Register|BitsName --------|-------- MWC | MDD

Parameters
SPIxSPI instance
transfer_directionThis parameter can be one of the following values:
Return values
None

Definition at line 983 of file ll_spi.h.

◆ ll_spi_set_micro_transfer_mode()

__STATIC_INLINE void ll_spi_set_micro_transfer_mode ( spi_regs_t *  SPIx,
uint32_t  transfer_mode 
)

Set transfer mode in Microwire mode.

Note
This bit should not be changed when communication is ongoing.

Register|BitsName --------|-------- MWC | MWMOD

Parameters
SPIxSPI instance
transfer_modeThis parameter can be one of the following values:
Return values
None

Definition at line 1020 of file ll_spi.h.

◆ ll_spi_set_receive_size()

__STATIC_INLINE void ll_spi_set_receive_size ( spi_regs_t *  SPIx,
uint32_t  size 
)

Set the number of data frames to be continuously received.

Note
These bits should not be changed when communication is ongoing. This bits are effect when TMOD = 2b10 or 2b11. This bits are not effect in SPIS.

Register|BitsName --------|-------- CTRL1 | NDF

Parameters
SPIxSPI instance
sizeThis parameter can be one of the following values: 0 ~ 65535
Return values
None

Definition at line 855 of file ll_spi.h.

◆ ll_spi_set_rx_fifo_threshold()

__STATIC_INLINE void ll_spi_set_rx_fifo_threshold ( spi_regs_t *  SPIx,
uint32_t  threshold 
)

Set threshold of RXFIFO that triggers an RXNE event.

Register|BitsName --------|-------- RXFTL | RFT

Parameters
SPIxSPI instance
thresholdThis parameter can be one of the following values: 0 ~ (LL_SPI_x_FIFO_DEPTH - 1)
Return values
None

Definition at line 1174 of file ll_spi.h.

◆ ll_spi_set_standard()

__STATIC_INLINE void ll_spi_set_standard ( spi_regs_t *  SPIx,
uint32_t  standard 
)

Set serial protocol used.

Note
This bit should be written only when SPI is disabled (SSI_EN = 0) for correct operation.

Register|BitsName --------|-------- CTRL0 | FRF

Parameters
SPIxSPI instance
standardThis parameter can be one of the following values:
Return values
None

Definition at line 818 of file ll_spi.h.

◆ ll_spi_set_transfer_direction()

__STATIC_INLINE void ll_spi_set_transfer_direction ( spi_regs_t *  SPIx,
uint32_t  transfer_direction 
)

Set transfer direction mode.

Register|BitsName --------|-------- CTRL0 | TMOD

Parameters
SPIxSPI instance
transfer_directionThis parameter can be one of the following values:
Return values
None

Definition at line 705 of file ll_spi.h.

◆ ll_spi_set_tx_fifo_threshold()

__STATIC_INLINE void ll_spi_set_tx_fifo_threshold ( spi_regs_t *  SPIx,
uint32_t  threshold 
)

Set threshold of TXFIFO that triggers an TXE event.

Register|BitsName --------|-------- TXFTL | TFT

Parameters
SPIxSPI instance
thresholdThis parameter can be one of the following values: 0 ~ (LL_SPI_x_FIFO_DEPTH - 1)
Return values
None

Definition at line 1143 of file ll_spi.h.