SPI#

rsi_frame_read#

int16_t rsi_frame_read (uint8_t * pkt_buffer)

Reads response for every command and data from the module.

Returns

• 0 - SUCCESS < 0 - FAILURE -1 - SPI busy / Timeout in case of SPI -2 - SPI Failure in case of SPI

Note

• Enable DEBUG_PACKET_EXCHANGE macro for spi level packet exchange debug prints and MAX_PRINT_PAYLOAD_LEN for configuring no.bytes of payload to print, by default it will print 8 bytes of payload.

rsi_frame_write#

int16_t rsi_frame_write (rsi_frame_desc_t * uFrameDscFrame, uint8_t * payloadparam, uint16_t size_param)

Process a command to the wlan module.

Returns

• 0 - SUCCESS < 0 - FAILURE -1 - SPI busy / Timeout in case of SPI -2 - SPI Failure in case of SPI

Note

• Enable DEBUG_PACKET_EXCHANGE macro for spi level packet exchange debug prints and MAX_PRINT_PAYLOAD_LEN for configuring no.bytes of payload to print, by default it will print 8 bytes of payload..

rsi_pre_dsc_rd#

int16_t rsi_pre_dsc_rd (uint8_t * dbuf)

Perform a pre-frame decriptor read.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_pkt_rd#

int16_t rsi_pkt_rd (uint8_t * buf, uint16_t dummy_len, uint16_t total_len)

Perform frame decriptor and payload read.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout \nrsi_spi_frame_data_wr -2 - SPI Failure

rsi_spi_frame_dsc_wr#

int16_t rsi_spi_frame_dsc_wr (rsi_frame_desc_t * uFrameDscFrame)

Write a Frame descriptor.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_spi_frame_data_wr#

int16_t rsi_spi_frame_data_wr (uint16_t bufLen, uint8_t * dBuf, uint16_t tbufLen, uint8_t * tBuf)

Perform Frame Data Write.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_send_c1c2#

int16_t rsi_send_c1c2 (uint8_t c1, uint8_t c2)

Send the C1 & C2 commands bytes, should check response for C1 command, if busy, should retry.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_send_c3c4#

int16_t rsi_send_c3c4 (uint8_t c3, uint8_t c4)

The C3 & C4 command bytes to send.

• A succesful rsi_send_c1c2 is required before this function.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_spi_wait_start_token#

int16_t rsi_spi_wait_start_token (uint32_t timeout, uint8_t mode)

Loop reading the SPI until a start token, 0x55, is received.

• Should issue read commands before using this function

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_set_intr_mask#

int16_t rsi_set_intr_mask (uint8_t interruptMask)

Set the INTERRUPT MASK REGISTER of the module.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_set_intr_type#

int16_t rsi_set_intr_type (uint32_t interruptMaskVal)

Set the INTERRUPT TYPE of the module based on selected LOAD_IMAGE.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_clear_interrupt#

int16_t rsi_clear_interrupt (uint8_t interruptClear)

Clear the interrupt register.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_device_interrupt_status#

int16_t rsi_device_interrupt_status (uint8_t * int_status)

Return the module SPI interrupt register status.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_spi_pkt_len#

int16_t rsi_spi_pkt_len (uint16_t * length)

Return the length of the incoming packet.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_spi_high_speed_enable#

int16_t rsi_spi_high_speed_enable (void )

Configure the module SPI interface to high speed mode.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

Note

• This API should be called only if the SPI clock frequency is more than 25 MHz and shouldn't be called otherwise.

• SPI initialization has to be done in low-speed mode. After device SPI is configured to high-speed mode using this API, rsi_switch_to_high_clk_freq() will be executed to configure the host SPI to a frequency that is more than 25 MHz. The latter API has to be ported by the user to implement the host clock switch.

rsi_spi_iface_init#

int16_t rsi_spi_iface_init (void )

Initialize the wlan module�s Slave SPI interface.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_ulp_wakeup_init#

void rsi_ulp_wakeup_init (void )

Initialize the with modules Slave SPI interface on ulp wakeup.

Returns

• void

rsi_mem_wr#

int16_t rsi_mem_wr (uint32_t addr, uint16_t len, uint8_t * dBuf)

Perform a memory write to the module.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_mem_rd#

int16_t rsi_mem_rd (uint32_t addr, uint16_t len, uint8_t * dBuf)

Perform a memory read from the module.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_reg_rd#

int16_t rsi_reg_rd (uint8_t regAddr, uint8_t * dBuf)

Read from a register in the module from the address specified.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_reg_rd2#

int16_t rsi_reg_rd2 (uint8_t regAddr, uint16_t * dBuf)

Read from a register in the wlan module from the address specified.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure

rsi_reg_wr#

int16_t rsi_reg_wr (uint8_t regAddr, uint8_t * dBuf)

Write to a register in the module with an address specified.

Returns

• 0 - SUCCESS -1 - SPI busy / Timeout -2 - SPI Failure