Configuration functions
+ Collaboration diagram for Configuration functions:

Functions

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

Detailed Description

Function Documentation

◆ ll_spi_disable()

__STATIC_INLINE void ll_spi_disable ( ssi_regs_t *  SPIx)

Disable SPI peripheral.

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

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | SSI_EN | EN | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
None

Definition at line 1157 of file gr55xx_ll_spi.h.

◆ ll_spi_disable_micro_handshake()

__STATIC_INLINE void ll_spi_disable_micro_handshake ( ssi_regs_t *  SPIx)

Disable Handshake in Microwire mode.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | MWC | MHS | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
None

Definition at line 1214 of file gr55xx_ll_spi.h.

◆ ll_spi_disable_salve_out()

__STATIC_INLINE void ll_spi_disable_salve_out ( ssi_regs_t *  SPIx)

Disable slave output.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | SLVOE | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
None

Definition at line 871 of file gr55xx_ll_spi.h.

◆ ll_spi_disable_ss()

__STATIC_INLINE void ll_spi_disable_ss ( ssi_regs_t *  SPIx,
uint32_t  ss 
)

Disable slave select.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | SE | SLAVE1 | +-------------------—+--------------------------------—+ \endrst SE | SLAVE0

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

Definition at line 1369 of file gr55xx_ll_spi.h.

◆ ll_spi_disable_ss_toggle()

__STATIC_INLINE void ll_spi_disable_ss_toggle ( ssi_regs_t *  SPIx)

Disable slave select toggle.

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

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | SSTEN | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
None

Definition at line 539 of file gr55xx_ll_spi.h.

◆ ll_spi_disable_test_mode()

__STATIC_INLINE void ll_spi_disable_test_mode ( ssi_regs_t *  SPIx)

Disable SPI test mode.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | SRL | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
None

Definition at line 814 of file gr55xx_ll_spi.h.

◆ ll_spi_enable()

__STATIC_INLINE void ll_spi_enable ( ssi_regs_t *  SPIx)

Enable SPI peripheral.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | SSI_EN | EN | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
None

Definition at line 1137 of file gr55xx_ll_spi.h.

◆ ll_spi_enable_micro_handshake()

__STATIC_INLINE void ll_spi_enable_micro_handshake ( ssi_regs_t *  SPIx)

Enable Handshake in Microwire mode.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | MWC | MHS | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
None

Definition at line 1195 of file gr55xx_ll_spi.h.

◆ ll_spi_enable_slave_out()

__STATIC_INLINE void ll_spi_enable_slave_out ( ssi_regs_t *  SPIx)

Enable slave output.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | SLVOE | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
None

Definition at line 852 of file gr55xx_ll_spi.h.

◆ ll_spi_enable_ss()

__STATIC_INLINE void ll_spi_enable_ss ( ssi_regs_t *  SPIx,
uint32_t  ss 
)

Enable slave select.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | SE | SLAVE1 | +-------------------—+--------------------------------—+ \endrst SE | SLAVE0

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

Definition at line 1346 of file gr55xx_ll_spi.h.

◆ ll_spi_enable_ss_toggle()

__STATIC_INLINE void ll_spi_enable_ss_toggle ( ssi_regs_t *  SPIx)

Enable slave select toggle.

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

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | SSTEN | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
None

Definition at line 519 of file gr55xx_ll_spi.h.

◆ ll_spi_enable_test_mode()

__STATIC_INLINE void ll_spi_enable_test_mode ( ssi_regs_t *  SPIx)

Enable SPI test mode.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | SRL | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
None

Definition at line 795 of file gr55xx_ll_spi.h.

◆ ll_spi_get_baud_rate_prescaler()

__STATIC_INLINE uint32_t ll_spi_get_baud_rate_prescaler ( ssi_regs_t *  SPIx)

Get baud rate prescaler.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | BAUD | SCKDIV | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 1432 of file gr55xx_ll_spi.h.

◆ ll_spi_get_clock_phase()

__STATIC_INLINE uint32_t ll_spi_get_clock_phase ( ssi_regs_t *  SPIx)

Get clock phase.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | SCPHA | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 1027 of file gr55xx_ll_spi.h.

◆ ll_spi_get_clock_polarity()

__STATIC_INLINE uint32_t ll_spi_get_clock_polarity ( ssi_regs_t *  SPIx)

Get clock polarity.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | SCPOL | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 982 of file gr55xx_ll_spi.h.

◆ ll_spi_get_control_frame_size()

__STATIC_INLINE uint32_t ll_spi_get_control_frame_size ( ssi_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.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | CFS | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 776 of file gr55xx_ll_spi.h.

◆ ll_spi_get_data_size()

__STATIC_INLINE uint32_t ll_spi_get_data_size ( ssi_regs_t *  SPIx)

◆ ll_spi_get_frame_format()

__STATIC_INLINE uint32_t ll_spi_get_frame_format ( ssi_regs_t *  SPIx)

Get data frame format for transmitting/receiving the data.

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

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | SPIFRF | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 606 of file gr55xx_ll_spi.h.

◆ ll_spi_get_id_code()

__STATIC_INLINE uint32_t ll_spi_get_id_code ( ssi_regs_t *  SPIx)

Get ID code.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | IDCODE | ID | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
Returnedvalue is const.

Definition at line 1567 of file gr55xx_ll_spi.h.

◆ ll_spi_get_micro_transfer_direction()

__STATIC_INLINE uint32_t ll_spi_get_micro_transfer_direction ( ssi_regs_t *  SPIx)

Get transfer direction mode in Microwire mode.

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

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | MWC | MDD | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 1278 of file gr55xx_ll_spi.h.

◆ ll_spi_get_micro_transfer_mode()

__STATIC_INLINE uint32_t ll_spi_get_micro_transfer_mode ( ssi_regs_t *  SPIx)

Get transfer mode in Microwire mode.

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

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | MWC | MWMOD | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 1323 of file gr55xx_ll_spi.h.

◆ ll_spi_get_receive_size()

__STATIC_INLINE uint32_t ll_spi_get_receive_size ( ssi_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.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL1 | NDF | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 1118 of file gr55xx_ll_spi.h.

◆ ll_spi_get_rx_fifo_level()

__STATIC_INLINE uint32_t ll_spi_get_rx_fifo_level ( ssi_regs_t *  SPIx)

Get FIFO reception Level.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | RXFL | RXTFL | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values: 0 ~ 8

Definition at line 1548 of file gr55xx_ll_spi.h.

◆ ll_spi_get_rx_fifo_threshold()

__STATIC_INLINE uint32_t ll_spi_get_rx_fifo_threshold ( ssi_regs_t *  SPIx)

Get threshold of RXFIFO that triggers an RXNE event.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | RXFTL | RFT | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values: 0 ~ 7

Definition at line 1510 of file gr55xx_ll_spi.h.

◆ ll_spi_get_standard()

__STATIC_INLINE uint32_t ll_spi_get_standard ( ssi_regs_t *  SPIx)

Get serial protocol used.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | FRF | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 1073 of file gr55xx_ll_spi.h.

◆ ll_spi_get_transfer_direction()

__STATIC_INLINE uint32_t ll_spi_get_transfer_direction ( ssi_regs_t *  SPIx)

Get transfer direction mode.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | TMOD | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 937 of file gr55xx_ll_spi.h.

◆ ll_spi_get_tx_fifo_level()

__STATIC_INLINE uint32_t ll_spi_get_tx_fifo_level ( ssi_regs_t *  SPIx)

Get FIFO Transmission Level.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | TXFL | TXTFL | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values: 0 ~ 8

Definition at line 1529 of file gr55xx_ll_spi.h.

◆ ll_spi_get_tx_fifo_threshold()

__STATIC_INLINE uint32_t ll_spi_get_tx_fifo_threshold ( ssi_regs_t *  SPIx)

Get threshold of TXFIFO that triggers an TXE event.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | TXFTL | TFT | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
Returnedvalue can be one of the following values: 0 ~ 7

Definition at line 1471 of file gr55xx_ll_spi.h.

◆ ll_spi_get_version()

__STATIC_INLINE uint32_t ll_spi_get_version ( ssi_regs_t *  SPIx)

Get IP version.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | COMP | VERSION | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
Return values
Returnedvalue is const.

Definition at line 1586 of file gr55xx_ll_spi.h.

◆ ll_spi_is_enabled()

__STATIC_INLINE uint32_t ll_spi_is_enabled ( ssi_regs_t *  SPIx)

Check if SPI peripheral is enabled.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | SSI_EN | EN | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 1176 of file gr55xx_ll_spi.h.

◆ ll_spi_is_enabled_micro_handshake()

__STATIC_INLINE uint32_t ll_spi_is_enabled_micro_handshake ( ssi_regs_t *  SPIx)

Check if Handshake in Microwire mode is enabled.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | MWC | MHS | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 1233 of file gr55xx_ll_spi.h.

◆ ll_spi_is_enabled_slave_out()

__STATIC_INLINE uint32_t ll_spi_is_enabled_slave_out ( ssi_regs_t *  SPIx)

Check if slave output is enabled.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | SLVOE | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 890 of file gr55xx_ll_spi.h.

◆ ll_spi_is_enabled_ss()

__STATIC_INLINE uint32_t ll_spi_is_enabled_ss ( ssi_regs_t *  SPIx,
uint32_t  ss 
)

Check if slave select is enabled.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | SE | SLAVE1 | +-------------------—+--------------------------------—+ \endrst SE | SLAVE0

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

Definition at line 1392 of file gr55xx_ll_spi.h.

◆ ll_spi_is_enabled_ss_toggle()

__STATIC_INLINE uint32_t ll_spi_is_enabled_ss_toggle ( ssi_regs_t *  SPIx)

Check if slave select toggle is enabled.

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

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | SSTEN | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 559 of file gr55xx_ll_spi.h.

◆ ll_spi_is_enabled_test_mode()

__STATIC_INLINE uint32_t ll_spi_is_enabled_test_mode ( ssi_regs_t *  SPIx)

Check if SPI test mode is enabled.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | SRL | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 833 of file gr55xx_ll_spi.h.

◆ ll_spi_set_baud_rate_prescaler()

__STATIC_INLINE void ll_spi_set_baud_rate_prescaler ( ssi_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.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | BAUD | SCKDIV | +-------------------—+--------------------------------—+ \endrst

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 1413 of file gr55xx_ll_spi.h.

◆ ll_spi_set_clock_phase()

__STATIC_INLINE void ll_spi_set_clock_phase ( ssi_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.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | SCPHA | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 1006 of file gr55xx_ll_spi.h.

◆ ll_spi_set_clock_polarity()

__STATIC_INLINE void ll_spi_set_clock_polarity ( ssi_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.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | SCPOL | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 961 of file gr55xx_ll_spi.h.

◆ ll_spi_set_control_frame_size()

__STATIC_INLINE void ll_spi_set_control_frame_size ( ssi_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.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | CFS | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 740 of file gr55xx_ll_spi.h.

◆ ll_spi_set_data_size()

__STATIC_INLINE void ll_spi_set_data_size ( ssi_regs_t *  SPIx,
uint32_t  size 
)

Set frame data size.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | DFS32 | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 655 of file gr55xx_ll_spi.h.

◆ ll_spi_set_frame_format()

__STATIC_INLINE void ll_spi_set_frame_format ( ssi_regs_t *  SPIx,
uint32_t  frf 
)

Set data frame format for transmitting/receiving the data.

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

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | SPIFRF | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 583 of file gr55xx_ll_spi.h.

◆ ll_spi_set_micro_transfer_direction()

__STATIC_INLINE void ll_spi_set_micro_transfer_direction ( ssi_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.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | MWC | MDD | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 1256 of file gr55xx_ll_spi.h.

◆ ll_spi_set_micro_transfer_mode()

__STATIC_INLINE void ll_spi_set_micro_transfer_mode ( ssi_regs_t *  SPIx,
uint32_t  transfer_mode 
)

Set transfer mode in Microwire mode.

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

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | MWC | MWMOD | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 1301 of file gr55xx_ll_spi.h.

◆ ll_spi_set_receive_size()

__STATIC_INLINE void ll_spi_set_receive_size ( ssi_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.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL1 | NDF | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 1096 of file gr55xx_ll_spi.h.

◆ ll_spi_set_rx_fifo_threshold()

__STATIC_INLINE void ll_spi_set_rx_fifo_threshold ( ssi_regs_t *  SPIx,
uint32_t  threshold 
)

Set threshold of RXFIFO that triggers an RXNE event.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | RXFTL | RFT | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
thresholdThis parameter can be one of the following values: 0 ~ 7
Return values
None

Definition at line 1491 of file gr55xx_ll_spi.h.

◆ ll_spi_set_standard()

__STATIC_INLINE void ll_spi_set_standard ( ssi_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.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | FRF | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 1051 of file gr55xx_ll_spi.h.

◆ ll_spi_set_transfer_direction()

__STATIC_INLINE void ll_spi_set_transfer_direction ( ssi_regs_t *  SPIx,
uint32_t  transfer_direction 
)

Set transfer direction mode.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | CTRL0 | TMOD | +-------------------—+--------------------------------—+ \endrst

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

Definition at line 914 of file gr55xx_ll_spi.h.

◆ ll_spi_set_tx_fifo_threshold()

__STATIC_INLINE void ll_spi_set_tx_fifo_threshold ( ssi_regs_t *  SPIx,
uint32_t  threshold 
)

Set threshold of TXFIFO that triggers an TXE event.

\rst +-------------------—+--------------------------------—+ | Register | BitsName | +======================+===================================+ | TXFTL | TFT | +-------------------—+--------------------------------—+ \endrst

Parameters
SPIxSPI instance
thresholdThis parameter can be one of the following values: 0 ~ 7
Return values
None

Definition at line 1452 of file gr55xx_ll_spi.h.