tkl_i2c.h 文件参考

Common process - adapter the i2c api 更多...

#include "tuya_cloud_types.h"
#include "tkl_gpio.h"

tkl_i2c.h 的引用(Include)关系图:

浏览源代码.

结构体
struct	REGADDR_WIDTH_T
	ioctl args define 更多...

宏定义
#define	I2C_IOCTL_SET_REGADDR_WIDTH   1
	ioctl cmd define

函数
OPERATE_RET	tkl_i2c_deinit (TUYA_I2C_NUM_E port)
	i2c deinit 更多...
INT32_T	tkl_i2c_get_data_count (TUYA_I2C_NUM_E port)
	i2c transferred data count. 更多...
OPERATE_RET	tkl_i2c_get_status (TUYA_I2C_NUM_E port, TUYA_IIC_STATUS_T *status)
	IIC get status. 更多...
OPERATE_RET	tkl_i2c_init (TUYA_I2C_NUM_E port, CONST TUYA_IIC_BASE_CFG_T *cfg)
	i2c init 更多...
OPERATE_RET	tkl_i2c_ioctl (TUYA_I2C_NUM_E port, UINT32_T cmd, VOID *args)
	i2c ioctl 更多...
OPERATE_RET	tkl_i2c_irq_disable (TUYA_I2C_NUM_E port)
	i2c irq disable 更多...
OPERATE_RET	tkl_i2c_irq_enable (TUYA_I2C_NUM_E port)
	i2c irq enable 更多...
OPERATE_RET	tkl_i2c_irq_init (TUYA_I2C_NUM_E port, TUYA_I2C_IRQ_CB cb)
	i2c irq init NOTE: call this API will not enable interrupt 更多...
OPERATE_RET	tkl_i2c_master_receive (TUYA_I2C_NUM_E port, UINT16_T dev_addr, VOID *data, UINT32_T size, BOOL_T xfer_pending)
	i2c master recv 更多...
OPERATE_RET	tkl_i2c_master_send (TUYA_I2C_NUM_E port, UINT16_T dev_addr, CONST VOID_T *data, UINT32_T size, BOOL_T xfer_pending)
	i2c master send 更多...
OPERATE_RET	tkl_i2c_reset (TUYA_I2C_NUM_E port)
	i2c's reset 更多...
OPERATE_RET	tkl_i2c_set_slave_addr (TUYA_I2C_NUM_E port, UINT16_T dev_addr)
	i2c slave 更多...
OPERATE_RET	tkl_i2c_slave_receive (TUYA_I2C_NUM_E port, VOID *data, UINT32_T size)
	IIC slave receive, Start receiving data as IIC Slave. 更多...
OPERATE_RET	tkl_i2c_slave_send (TUYA_I2C_NUM_E port, CONST VOID *data, UINT32_T size)
	i2c slave send 更多...

详细描述

Common process - adapter the i2c api

版本

0.1

日期

2021-08-06

版权所有

Copyright 2020-2021 Tuya Inc. All Rights Reserved.

函数说明

tkl_i2c_deinit()

OPERATE_RET tkl_i2c_deinit

(

TUYA_I2C_NUM_E

port

)

i2c deinit

参数

[in]

port

i2c port

返回

OPRT_OK on success. Others on error, please refer to tuya_error_code.h

tkl_i2c_get_data_count()

INT32_T tkl_i2c_get_data_count

(

TUYA_I2C_NUM_E

port

)

i2c transferred data count.

参数

[in]

port

i2c port id, id index starts at 0

返回

>=0,number of currently transferred data items. <0,err. tkl_i2c_master_send:number of data bytes transmitted and acknowledged tkl_i2c_master_receive:number of data bytes received tkl_i2c_slave_send:number of data bytes transmitted tkl_i2c_slave_receive:number of data bytes received and acknowledged

tkl_i2c_get_status()

OPERATE_RET tkl_i2c_get_status	(	TUYA_I2C_NUM_E	port,
		TUYA_IIC_STATUS_T *	status
	)

IIC get status.

参数

[in]	port	i2c port
[out]	TUYA_IIC_STATUS_T

返回

OPRT_OK on success. Others on error, please refer to tuya_error_code.h

tkl_i2c_init()

OPERATE_RET tkl_i2c_init	(	TUYA_I2C_NUM_E	port,
		CONST TUYA_IIC_BASE_CFG_T *	cfg
	)

i2c init

参数

[in]	port	i2c port
[in]	cfg	i2c config

返回

OPRT_OK on success. Others on error, please refer to tuya_error_code.h

tkl_i2c_ioctl()

OPERATE_RET tkl_i2c_ioctl	(	TUYA_I2C_NUM_E	port,
		UINT32_T	cmd,
		VOID *	args
	)

i2c ioctl

参数

[in]	cmd	user def
[in]	args	args associated with the command

返回

OPRT_OK on success. Others on error, please refer to tuya_error_code.h

tkl_i2c_irq_disable()

OPERATE_RET tkl_i2c_irq_disable

(

TUYA_I2C_NUM_E

port

)

i2c irq disable

参数

[in]

port

i2c port id, id index starts at 0

返回

OPRT_OK on success. Others on error, please refer to tuya_error_code.h

tkl_i2c_irq_enable()

OPERATE_RET tkl_i2c_irq_enable

(

TUYA_I2C_NUM_E

port

)

i2c irq enable

参数

[in]

port

i2c port id, id index starts at 0

返回

OPRT_OK on success. Others on error, please refer to tuya_error_code.h

tkl_i2c_irq_init()

OPERATE_RET tkl_i2c_irq_init	(	TUYA_I2C_NUM_E	port,
		TUYA_I2C_IRQ_CB	cb
	)

i2c irq init NOTE: call this API will not enable interrupt

参数

[in]	port	i2c port, id index starts at 0
[in]	cb	i2c irq cb

返回

OPRT_OK on success. Others on error, please refer to tuya_error_code.h

tkl_i2c_master_receive()

OPERATE_RET tkl_i2c_master_receive	(	TUYA_I2C_NUM_E	port,
		UINT16_T	dev_addr,
		VOID *	data,
		UINT32_T	size,
		BOOL_T	xfer_pending
	)

i2c master recv

参数

[in]	port	i2c port
[in]	dev_addr	iic addrress of slave device.
[in]	data	i2c buf to recv
[in]	size	Number of data items to receive
[in]	xfer_pending	TRUE : not send stop condition, FALSE : send stop condition.

返回

OPRT_OK on success. Others on error, please refer to tuya_error_code.h

tkl_i2c_master_send()

OPERATE_RET tkl_i2c_master_send	(	TUYA_I2C_NUM_E	port,
		UINT16_T	dev_addr,
		CONST VOID_T *	data,
		UINT32_T	size,
		BOOL_T	xfer_pending
	)

i2c master send

参数

[in]	port	i2c port
[in]	dev_addr	iic addrress of slave device.
[in]	data	i2c data to send
[in]	size	Number of data items to send
[in]	xfer_pending	xfer_pending: TRUE : not send stop condition, FALSE : send stop condition.

返回

OPRT_OK on success. Others on error, please refer to tuya_error_code.h

tkl_i2c_reset()

OPERATE_RET tkl_i2c_reset

(

TUYA_I2C_NUM_E

port

)

i2c's reset

参数

[in]

port

i2c port number

返回

OPRT_OK on success. Others on error, please refer to tuya_error_code.h

tkl_i2c_set_slave_addr()

OPERATE_RET tkl_i2c_set_slave_addr	(	TUYA_I2C_NUM_E	port,
		UINT16_T	dev_addr
	)

i2c slave

参数

[in]	port	i2c port
[in]	dev_addr	slave device addr

返回

OPRT_OK on success. Others on error, please refer to tuya_error_code.h

tkl_i2c_slave_receive()

OPERATE_RET tkl_i2c_slave_receive	(	TUYA_I2C_NUM_E	port,
		VOID *	data,
		UINT32_T	size
	)

IIC slave receive, Start receiving data as IIC Slave.

参数

[in]	port	i2c port
[in]	data	Pointer to buffer for data to receive from IIC Master
[in]	size	Number of data items to receive

返回

OPRT_OK on success. Others on error, please refer to tuya_error_code.h

tkl_i2c_slave_send()

OPERATE_RET tkl_i2c_slave_send	(	TUYA_I2C_NUM_E	port,
		CONST VOID *	data,
		UINT32_T	size
	)

i2c slave send

参数

[in]	port	i2c port
[in]	data	i2c buf to send
[in]	size	Number of data items to send

返回

OPRT_OK on success. Others on error, please refer to tuya_error_code.h