i2c_itf_data_s Struct Reference

Data Fields
struct pi_task *	hw_buffer [2]
struct pi_task *	fifo_head
struct pi_task *	fifo_tail
struct i2c_pending_transfer_s *	pending
uint32_t	nb_open
uint32_t	i2c_cmd_index
pi_freq_cb_t	i2c_freq_cb
struct i2c_cs_data_s *	cs_list
uint8_t	i2c_cmd_seq [__PI_I2C_CMD_BUFF_SIZE]
uint8_t	i2c_stop_send
uint8_t	i2c_stop_seq [__PI_I2C_STOP_CMD_SIZE]
uint8_t	device_id
uint8_t	nb_events

Field Documentation

struct i2c_cs_data_s* i2c_itf_data_s::cs_list

List of i2c associated to this itf.

Referenced by __pi_i2c_cs_data_add(), __pi_i2c_cs_data_remove(), __pi_i2c_freq_cb(), and __pi_i2c_open().

uint8_t i2c_itf_data_s::device_id

I2C interface ID.

Referenced by __pi_i2c_close(), __pi_i2c_copy(), __pi_i2c_copy_exec_read(), __pi_i2c_copy_exec_write(), __pi_i2c_detect(), __pi_i2c_freq_cb(), __pi_i2c_open(), and __pi_i2c_send_stop_cmd().

struct pi_task* i2c_itf_data_s::fifo_head

Head of SW fifo waiting transfers.

Referenced by __pi_i2c_open(), __pi_i2c_task_fifo_enqueue(), and __pi_i2c_task_fifo_pop().

struct pi_task* i2c_itf_data_s::fifo_tail

Tail of SW fifo waiting transfers.

Referenced by __pi_i2c_open(), and __pi_i2c_task_fifo_enqueue().

struct pi_task* i2c_itf_data_s::hw_buffer[2]

RX + TX

Referenced by __pi_i2c_handler(), __pi_i2c_hw_fifo_empty(), __pi_i2c_hw_fifo_enqueue(), __pi_i2c_hw_fifo_pop(), and __pi_i2c_open().

uint32_t i2c_itf_data_s::i2c_cmd_index

Number of commands in i2c_cmd_seq.

Referenced by __pi_i2c_open().

uint8_t i2c_itf_data_s::i2c_cmd_seq[__PI_I2C_CMD_BUFF_SIZE]

Command sequence.

Referenced by __pi_i2c_copy_exec_read(), __pi_i2c_copy_exec_write(), __pi_i2c_detect(), __pi_i2c_handle_pending_transfer(), and __pi_i2c_open().

pi_freq_cb_t i2c_itf_data_s::i2c_freq_cb

Callback associated to frequency changes.

Referenced by __pi_i2c_close(), and __pi_i2c_open().

uint8_t i2c_itf_data_s::i2c_stop_send

Set if a stop cmd seq should be sent.

Referenced by __pi_i2c_copy_exec_read(), __pi_i2c_copy_exec_write(), __pi_i2c_detect(), __pi_i2c_handle_pending_transfer(), __pi_i2c_handler(), __pi_i2c_open(), and __pi_i2c_send_stop_cmd().

uint8_t i2c_itf_data_s::i2c_stop_seq[__PI_I2C_STOP_CMD_SIZE]

Command STOP sequence.

Referenced by __pi_i2c_open(), and __pi_i2c_send_stop_cmd().

uint8_t i2c_itf_data_s::nb_events

Number of events received.

Referenced by __pi_i2c_handler(), and __pi_i2c_open().

uint32_t i2c_itf_data_s::nb_open

Number of devices opened.

Referenced by __pi_i2c_close(), and __pi_i2c_open().

struct i2c_pending_transfer_s* i2c_itf_data_s::pending

RX + TX.

Referenced by __pi_i2c_close(), __pi_i2c_copy_exec_read(), __pi_i2c_copy_exec_write(), __pi_i2c_detect(), __pi_i2c_handle_pending_transfer(), __pi_i2c_handler(), and __pi_i2c_open().