#include "hpm_sccb.h"

Functions
hpm_stat_t	sccb_master_init (sccb_type sccb)
	sccb master initialization More...

uint8_t	sccb_master_scan (sccb_type sccb)
	sccb master scan slave addr More...

hpm_stat_t	sccb_master_gencall (sccb_type sccb, uint8_t cmd)
	sccb master gen call slave More...

hpm_stat_t	sccb_master_readb (sccb_type sccb, uint8_t slv_addr, uint8_t reg_addr, uint8_t *reg_data)
	sccb master read 8bit data of specify 8bit register from certain slave device More...

hpm_stat_t	sccb_master_writeb (sccb_type sccb, uint8_t slv_addr, uint8_t reg_addr, uint8_t reg_data)
	sccb master write 8bit data of specify 8bit register from certain slave device More...

hpm_stat_t	sccb_master_readb2 (sccb_type sccb, uint8_t slv_addr, uint16_t reg_addr, uint8_t *reg_data)
	sccb master read 8bit data of specify 16bit register from certain slave device More...

hpm_stat_t	sccb_master_writeb2 (sccb_type sccb, uint8_t slv_addr, uint16_t reg_addr, uint8_t reg_data)
	sccb master write 8bit data of specify 16bit register from certain slave device More...

hpm_stat_t	sccb_master_readw (sccb_type sccb, uint8_t slv_addr, uint8_t reg_addr, uint16_t *reg_data)
	sccb master read 16bit data of specify 8bit register from certain slave device More...

hpm_stat_t	sccb_master_writew (sccb_type sccb, uint8_t slv_addr, uint8_t reg_addr, uint16_t reg_data)
	sccb master write 16bit data of specify 8bit register from certain slave device More...

hpm_stat_t	sccb_master_readw2 (sccb_type sccb, uint8_t slv_addr, uint16_t reg_addr, uint16_t *reg_data)
	sccb master read 16bit data of specify 16it register from certain slave device More...

hpm_stat_t	sccb_master_writew2 (sccb_type sccb, uint8_t slv_addr, uint16_t reg_addr, uint16_t reg_data)
	sccb master write 16bit data of specify 16bit register from certain slave device More...

hpm_stat_t	sccb_master_read_bytes (sccb_type sccb, uint8_t slv_addr, uint8_t *buf, const uint32_t len, uint8_t flags)
	sccb master reads the specified number of bytes continuously at the specified flag More...

hpm_stat_t	cambus_write_bytes (sccb_type sccb, uint8_t slv_addr, uint8_t *buf, const uint32_t len, uint8_t flags)
	sccb master weite the specified number of bytes continuously at the specified flag More...

Function Documentation

◆ cambus_write_bytes()

hpm_stat_t cambus_write_bytes	(	sccb_type	sccb,
		uint8_t	slv_addr,
		uint8_t *	buf,
		const uint32_t	len,
		uint8_t	flags
	)

sccb master weite the specified number of bytes continuously at the specified flag

the size should not not greater than I2C_SOC_TRANSFER_COUNT_MAX

Parameters

[in]	sccb	sccb base address
[in]	slv_addr	sccb slave address
[out]	buf	point of the buffer to store 8bit data from device
[out]	len	size of data to be write in bytes
[in]	len	size of data to be write in bytes

Return values

hpm_stat_t status_success if writing is completed without any error

◆ sccb_master_gencall()

hpm_stat_t sccb_master_gencall	(	sccb_type	sccb,
		uint8_t	cmd
	)

sccb master gen call slave

the controller sends the command to determine whether the slave responds

Parameters

[in]	sccb	sccb base address
[in]	cmd	sccb master sends command

Return values

hpm_stat_t status_success if the slave responds

◆ sccb_master_init()

hpm_stat_t sccb_master_init ( sccb_type sccb )

sccb master initialization

Initialized sccb working at master mode

Parameters

[in] sccb sccb base address

Return values

hpm_stat_t status_success if initialization is completed without any error

◆ sccb_master_read_bytes()

hpm_stat_t sccb_master_read_bytes	(	sccb_type	sccb,
		uint8_t	slv_addr,
		uint8_t *	buf,
		const uint32_t	len,
		uint8_t	flags
	)

sccb master reads the specified number of bytes continuously at the specified flag

the size should not not greater than I2C_SOC_TRANSFER_COUNT_MAX

Parameters

[in]	sccb	sccb base address
[in]	slv_addr	sccb slave address
[out]	buf	point of the buffer to store 8bit data from device
[out]	len	size of data to be read in bytes
[in]	len	size of data to be read in bytes

Return values

hpm_stat_t status_success if reading is completed without any error

◆ sccb_master_readb()

hpm_stat_t sccb_master_readb	(	sccb_type	sccb,
		uint8_t	slv_addr,
		uint8_t	reg_addr,
		uint8_t *	reg_data
	)

sccb master read 8bit data of specify 8bit register from certain slave device

the function used to access 8 bit register address,read 8bit data

Note: the register address must be 8bit

Parameters

[in]	sccb	sccb base address
[in]	slv_addr	sccb slave address
[out]	reg_addr	8bit register address of sccb slave device
[out]	reg_data	point of the buffer to store 8bit data from device the number of bytes is 1

Return values

hpm_stat_t status_success if reading is completed without any error

◆ sccb_master_readb2()

hpm_stat_t sccb_master_readb2	(	sccb_type	sccb,
		uint8_t	slv_addr,
		uint16_t	reg_addr,
		uint8_t *	reg_data
	)

sccb master read 8bit data of specify 16bit register from certain slave device

the function used to access 16 bit register address,read 8bit data

Note: the register address must be 16bit

Parameters

[in]	sccb	sccb base address
[in]	slv_addr	sccb slave address
[out]	reg_addr	16bit register address of sccb slave device
[out]	reg_data	point of the buffer to store 8bit data from device the number of bytes is 1

Return values

hpm_stat_t status_success if reading is completed without any error

◆ sccb_master_readw()

hpm_stat_t sccb_master_readw	(	sccb_type	sccb,
		uint8_t	slv_addr,
		uint8_t	reg_addr,
		uint16_t *	reg_data
	)

sccb master read 16bit data of specify 8bit register from certain slave device

the function used to access 8 bit register address,read 16bit data

Note: the register address must be 8bit

Parameters

[in]	sccb	sccb base address
[in]	slv_addr	sccb slave address
[out]	reg_addr	8bit register address of sccb slave device
[out]	reg_data	point of the buffer to store 16bit data from device the number of bytes is 1

Return values

hpm_stat_t status_success if reading is completed without any error

◆ sccb_master_readw2()

hpm_stat_t sccb_master_readw2	(	sccb_type	sccb,
		uint8_t	slv_addr,
		uint16_t	reg_addr,
		uint16_t *	reg_data
	)

sccb master read 16bit data of specify 16it register from certain slave device

the function used to access 16 bit register address,read 16bit data

Note: the register address must be 16bit

Parameters

[in]	sccb	sccb base address
[in]	slv_addr	sccb slave address
[out]	reg_addr	16bit register address of sccb slave device
[out]	reg_data	point of the buffer to store 16bit data from device the number of bytes is 1

Return values

hpm_stat_t status_success if reading is completed without any error

◆ sccb_master_scan()

uint8_t sccb_master_scan ( sccb_type sccb )

sccb master scan slave addr

master scan the slave

Parameters

[in] sccb sccb base address

Return values

uint8_t the slave address val is zero if scan slave fail

◆ sccb_master_writeb()

hpm_stat_t sccb_master_writeb	(	sccb_type	sccb,
		uint8_t	slv_addr,
		uint8_t	reg_addr,
		uint8_t	reg_data
	)

sccb master write 8bit data of specify 8bit register from certain slave device

the function used to access 8 bit register address,write 8bit data

Note: the register address must be 8bit

Parameters

[in]	sccb	sccb base address
[in]	slv_addr	sccb slave address
[out]	reg_addr	8bit register address of sccb slave device
[out]	reg_data	write 8bit data

Return values

hpm_stat_t status_success if writing is completed without any error

◆ sccb_master_writeb2()

hpm_stat_t sccb_master_writeb2	(	sccb_type	sccb,
		uint8_t	slv_addr,
		uint16_t	reg_addr,
		uint8_t	reg_data
	)

sccb master write 8bit data of specify 16bit register from certain slave device

the function used to access 16 bit register address,write 8bit data

Note: the register address must be 8bit

Parameters

[in]	sccb	sccb base address
[in]	slv_addr	sccb slave address
[out]	reg_addr	16bit register address of sccb slave device
[out]	reg_data	wirite 8bit data

Return values

hpm_stat_t status_success if writing is completed without any error

◆ sccb_master_writew()

hpm_stat_t sccb_master_writew	(	sccb_type	sccb,
		uint8_t	slv_addr,
		uint8_t	reg_addr,
		uint16_t	reg_data
	)

sccb master write 16bit data of specify 8bit register from certain slave device

the function used to access 8 bit register address,write 16bit data

Note: the register address must be 8bit

Parameters

[in]	sccb	sccb base address
[in]	slv_addr	sccb slave address
[out]	reg_addr	8bit register address of sccb slave device
[out]	reg_data	wirite 16bit data

Return values

hpm_stat_t status_success if writing is completed without any error

◆ sccb_master_writew2()

hpm_stat_t sccb_master_writew2	(	sccb_type	sccb,
		uint8_t	slv_addr,
		uint16_t	reg_addr,
		uint16_t	reg_data
	)

sccb master write 16bit data of specify 16bit register from certain slave device

the function used to access 16bit register address,write 16bit data

Note: the register address must be 16bit

Parameters

[in]	sccb	sccb base address
[in]	slv_addr	sccb slave address
[out]	reg_addr	16bit register address of sccb slave device
[out]	reg_data	wirite 16bit data

Return values

hpm_stat_t status_success if writing is completed without any error

Functions

Function Documentation

◆ cambus_write_bytes()

◆ sccb_master_gencall()

◆ sccb_master_init()

◆ sccb_master_read_bytes()

◆ sccb_master_readb()

◆ sccb_master_readb2()

◆ sccb_master_readw()

◆ sccb_master_readw2()

◆ sccb_master_scan()

◆ sccb_master_writeb()

◆ sccb_master_writeb2()

◆ sccb_master_writew()

◆ sccb_master_writew2()