bissc_pruicss_xchg Struct Reference

Detailed Description

Structure defining BiSSC interface.

Firmware config, command and channel interface

Data Fields
volatile uint8_t	pos_crc_len
volatile uint8_t	rx_clk_freq
volatile uint8_t	ctrl_cmd_crc_len
volatile uint8_t	channel
volatile uint8_t	status [3]
volatile uint8_t	primary_core_mask
volatile uint8_t	cycle_trigger [3]
volatile uint8_t	measure_proc_delay
volatile uint8_t	opmode [3]
struct enc_len	enc_len [3]
volatile uint8_t	valid_bit_idx
volatile uint8_t	fifo_bit_idx
volatile uint8_t	ctrl_cmd_status [3]
volatile uint16_t	proc_delay [3]
volatile uint32_t	ctrl_cmd [3]
volatile uint32_t	max_proc_delay
struct pos_data_res	pos_data_res [3]
struct ctrl_res	ctrl_res [3]
volatile uint8_t	execution_state [3]
volatile uint64_t	register_backup [3]
volatile uint8_t	bissc_re_measure_proc_delay
volatile uint8_t	has_safety [3]
volatile uint16_t	safety_crc [3][3]
volatile uint32_t	delay_40us
volatile uint32_t	delay_100ms
volatile uint64_t	icssg_clk

Field Documentation

pos_crc_len

volatile uint8_t bissc_pruicss_xchg::pos_crc_len

Position data CRC length

rx_clk_freq

volatile uint8_t bissc_pruicss_xchg::rx_clk_freq

Clock frequency

ctrl_cmd_crc_len

volatile uint8_t bissc_pruicss_xchg::ctrl_cmd_crc_len

Control command CRC length

channel

volatile uint8_t bissc_pruicss_xchg::channel

Channel configuration

status

volatile uint8_t bissc_pruicss_xchg::status[3]

Firmware initialization status

primary_core_mask

volatile uint8_t bissc_pruicss_xchg::primary_core_mask

Primary core mask incase of load share

cycle_trigger

volatile uint8_t bissc_pruicss_xchg::cycle_trigger[3]

BiSSC cycle complete status

measure_proc_delay

volatile uint8_t bissc_pruicss_xchg::measure_proc_delay

measure processing delay - do this for every config change

opmode

volatile uint8_t bissc_pruicss_xchg::opmode[3]

operation mode status: '0' for periodic trigger and '1' for host trigger

enc_len

struct enc_len bissc_pruicss_xchg::enc_len[3]

position data lengths(resolution) of BiSSC encoders connected

valid_bit_idx

volatile uint8_t bissc_pruicss_xchg::valid_bit_idx

channel Bit Index

fifo_bit_idx

volatile uint8_t bissc_pruicss_xchg::fifo_bit_idx

Fifo Bit Index(middle bit)

ctrl_cmd_status

volatile uint8_t bissc_pruicss_xchg::ctrl_cmd_status[3]

control communication status

proc_delay

volatile uint16_t bissc_pruicss_xchg::proc_delay[3]

automatically estimated processing delay

ctrl_cmd

volatile uint32_t bissc_pruicss_xchg::ctrl_cmd[3]

Hex equivalent Control command

max_proc_delay

volatile uint32_t bissc_pruicss_xchg::max_proc_delay

maximum processing delay for selected frequency

pos_data_res

struct pos_data_res bissc_pruicss_xchg::pos_data_res[3]

Channel specific position data results

ctrl_res

struct ctrl_res bissc_pruicss_xchg::ctrl_res[3]

Channel specific control communication results

execution_state

volatile uint8_t bissc_pruicss_xchg::execution_state[3]

Execution state for different channels in load share

register_backup

volatile uint64_t bissc_pruicss_xchg::register_backup[3]

Backup registers for ch0 - ch2

bissc_re_measure_proc_delay

volatile uint8_t bissc_pruicss_xchg::bissc_re_measure_proc_delay

Flag for measuring processing delay again

has_safety

volatile uint8_t bissc_pruicss_xchg::has_safety[3]

Flag for BiSS-C safety mode

safety_crc

volatile uint16_t bissc_pruicss_xchg::safety_crc[3][3]

16-bit CRC calculated for safety

delay_40us

volatile uint32_t bissc_pruicss_xchg::delay_40us

BiSS-C Timeout delay

delay_100ms

volatile uint32_t bissc_pruicss_xchg::delay_100ms

BiSS-C max interframe delay

icssg_clk

volatile uint64_t bissc_pruicss_xchg::icssg_clk

ICSSG core clock frequency