sst25vfxxxx.c File Reference

Driver for the SST25Vxxxx flash chips. More...

#include "sst25vfxxxx.h"

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Functions
void	sst25vfxxxx_init (struct SST25VFxxxx *sst, struct spi_periph *spi_p, const uint8_t slave_idx, SPICallback spi_cb)
	Initializing the sst25vfxxxx chip. More...
void	sst25vfxxxx_after_cb (struct SST25VFxxxx *sst)
	Callback of the SPI after going one level higher for gathering the sst pointer. More...
void	sst25vfxxxx_read_id (struct SST25VFxxxx *sst)
	Read the chip identifier. More...
void	sst25vfxxxx_block_write_en (struct SST25VFxxxx *sst)
	Enable block writing. More...
void	sst25vfxxxx_chip_erase (struct SST25VFxxxx *sst)
	Full chip erase. More...
void	sst25vfxxxx_write (struct SST25VFxxxx *sst, uint8_t *transfer_buffer, uint8_t transfer_length)
	Write bytes. More...
void	sst25vfxxxx_read (struct SST25VFxxxx *sst, uint8_t *transfer_buffer, uint8_t transfer_length)
	Read bytes Need 5 more extra bytes because of SPI overhead. More...

Detailed Description

Driver for the SST25Vxxxx flash chips.

Definition in file sst25vfxxxx.c.

Function Documentation

sst25vfxxxx_after_cb()

void sst25vfxxxx_after_cb

(

struct SST25VFxxxx *

sst

)

Callback of the SPI after going one level higher for gathering the sst pointer.

Definition at line 64 of file sst25vfxxxx.c.

References SST25VFxxxx::flash_addr, spi_transaction::input_buf, SST25VFxxxx::input_buf, spi_transaction::input_length, SST25VFxxxx::output_buf, spi_transaction::output_length, SST25VFxxxx::spi_p, spi_submit(), SST25VFxxxx::spi_t, SST25VFXXXX_AAI_PROG, SST25VFXXXX_BYTE_PROG, SST25VFXXXX_CHIP_ERASE, SST25VFXXXX_ERASE_CHIP, SST25VFXXXX_IDLE, SST25VFXXXX_RDSR, SST25VFXXXX_READ_BYTES, SST25VFXXXX_WRDI, SST25VFXXXX_WRITE_BYTES, SST25VFXXXX_WRITE_EN, SST25VFXXXX_WRSR, SST25VFxxxx::status, SST25VFxxxx::status_idx, SST25VFxxxx::transfer_buf, SST25VFxxxx::transfer_idx, and SST25VFxxxx::transfer_length.

Referenced by direct_memory_spi_cb().

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sst25vfxxxx_block_write_en()

void sst25vfxxxx_block_write_en

(

struct SST25VFxxxx *

sst

)

Enable block writing.

Definition at line 240 of file sst25vfxxxx.c.

References spi_transaction::input_length, SST25VFxxxx::output_buf, spi_transaction::output_length, SST25VFxxxx::spi_p, spi_submit(), SST25VFxxxx::spi_t, SST25VFXXXX_EWSR, SST25VFXXXX_IDLE, SST25VFXXXX_WRITE_EN, SST25VFxxxx::status, and SST25VFxxxx::status_idx.

Referenced by sst25vfxxxx_init().

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sst25vfxxxx_chip_erase()

void sst25vfxxxx_chip_erase

(

struct SST25VFxxxx *

sst

)

Full chip erase.

Definition at line 258 of file sst25vfxxxx.c.

References spi_transaction::input_length, SST25VFxxxx::output_buf, spi_transaction::output_length, SST25VFxxxx::spi_p, spi_submit(), SST25VFxxxx::spi_t, SST25VFXXXX_CHIP_ERASE, SST25VFXXXX_IDLE, SST25VFXXXX_WREN, SST25VFxxxx::status, and SST25VFxxxx::status_idx.

Referenced by direct_memory_logger_set().

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sst25vfxxxx_init()

void sst25vfxxxx_init	(	struct SST25VFxxxx *	sst,
		struct spi_periph *	spi_p,
		const uint8_t	slave_idx,
		SPICallback	spi_cb
	)

Initializing the sst25vfxxxx chip.

Definition at line 34 of file sst25vfxxxx.c.

References spi_transaction::after_cb, spi_transaction::bitorder, spi_transaction::cdiv, spi_transaction::cpha, spi_transaction::cpol, spi_transaction::dss, SST25VFxxxx::flash_addr, spi_transaction::input_buf, SST25VFxxxx::input_buf, spi_transaction::input_length, spi_transaction::output_buf, SST25VFxxxx::output_buf, spi_transaction::output_length, spi_transaction::select, spi_transaction::slave_idx, SST25VFxxxx::spi_p, SST25VFxxxx::spi_t, SPICphaEdge1, SPICpolIdleLow, SPIDiv32, SPIDss8bit, SPIMSBFirst, SPISelectUnselect, SPITransDone, sst25vfxxxx_block_write_en(), SST25VFXXXX_IDLE, spi_transaction::status, and SST25VFxxxx::status.

Referenced by direct_memory_logger_init().

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sst25vfxxxx_read()

void sst25vfxxxx_read	(	struct SST25VFxxxx *	sst,
		uint8_t *	transfer_buffer,
		uint8_t	transfer_length
	)

Read bytes Need 5 more extra bytes because of SPI overhead.

Definition at line 300 of file sst25vfxxxx.c.

References SST25VFxxxx::flash_addr, spi_transaction::input_buf, spi_transaction::input_length, SST25VFxxxx::output_buf, spi_transaction::output_length, SST25VFxxxx::spi_p, spi_submit(), SST25VFxxxx::spi_t, SST25VFXXXX_HGIH_SPEAD_READ, SST25VFXXXX_IDLE, SST25VFXXXX_READ_BYTES, SST25VFxxxx::status, and SST25VFxxxx::status_idx.

Referenced by direct_memory_logger_periodic(), and direct_memory_logger_set().

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sst25vfxxxx_read_id()

void sst25vfxxxx_read_id

(

struct SST25VFxxxx *

sst

)

Read the chip identifier.

Definition at line 220 of file sst25vfxxxx.c.

References spi_transaction::input_length, SST25VFxxxx::output_buf, spi_transaction::output_length, SST25VFxxxx::spi_p, spi_submit(), SST25VFxxxx::spi_t, SST25VFXXXX_IDLE, SST25VFXXXX_RDID, SST25VFXXXX_READ_ID, and SST25VFxxxx::status.

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sst25vfxxxx_write()

void sst25vfxxxx_write	(	struct SST25VFxxxx *	sst,
		uint8_t *	transfer_buffer,
		uint8_t	transfer_length
	)

Write bytes.

Definition at line 276 of file sst25vfxxxx.c.

References spi_transaction::input_length, SST25VFxxxx::output_buf, spi_transaction::output_length, SST25VFxxxx::spi_p, spi_submit(), SST25VFxxxx::spi_t, SST25VFXXXX_IDLE, SST25VFXXXX_WREN, SST25VFXXXX_WRITE_BYTES, SST25VFxxxx::status, SST25VFxxxx::status_idx, SST25VFxxxx::transfer_buf, SST25VFxxxx::transfer_idx, and SST25VFxxxx::transfer_length.

Referenced by direct_memory_logger_periodic(), and direct_memory_logger_set().

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