nikon_pruicss_xchg Struct Reference

Detailed Description

Structure defining Nikon interface.

Firmware config, command and channel interface

Data Fields
volatile uint8_t	cycle_trigger [NUM_ED_CH_MAX]
volatile uint8_t	channel
volatile uint8_t	num_encoders [NUM_ED_CH_MAX]
volatile uint8_t	pos_crc_len
volatile uint16_t	rx_frame_size [NUM_ED_CH_MAX]
volatile uint8_t	valid_bit_idx
volatile uint8_t	fifo_bit_idx
volatile uint8_t	rx_clk_freq
volatile uint8_t	is_memory_access
volatile uint8_t	num_rx_frames
volatile uint8_t	multi_transmission_delay
volatile uint8_t	pru_sync_status [NUM_ED_CH_MAX]
volatile uint8_t	primary_core_mask
volatile uint8_t	opmode [NUM_ED_CH_MAX]
volatile uint32_t	cdf_frame [NUM_ED_CH_MAX]
volatile uint32_t	mdf_frame [NUM_MDF_MAX]
struct pos_data_res	pos_data_res [NUM_ENCODERS_MAX]
volatile uint32_t	delay_10us
volatile uint32_t	delay_300us
volatile uint32_t	delay_30ms
volatile uint64_t	icssg_clk

Field Documentation

cycle_trigger

volatile uint8_t nikon_pruicss_xchg::cycle_trigger[NUM_ED_CH_MAX]

Nikon cycle trigger/complete status

channel

volatile uint8_t nikon_pruicss_xchg::channel

Channel configuration

num_encoders

volatile uint8_t nikon_pruicss_xchg::num_encoders[NUM_ED_CH_MAX]

Number of Encoders connected

pos_crc_len

volatile uint8_t nikon_pruicss_xchg::pos_crc_len

Position data CRC length

rx_frame_size

volatile uint16_t nikon_pruicss_xchg::rx_frame_size[NUM_ED_CH_MAX]

Rx frame size to be configured

valid_bit_idx

volatile uint8_t nikon_pruicss_xchg::valid_bit_idx

Channel Bit Index

fifo_bit_idx

volatile uint8_t nikon_pruicss_xchg::fifo_bit_idx

Fifo Bit Index(middle bit)

rx_clk_freq

volatile uint8_t nikon_pruicss_xchg::rx_clk_freq

Clock frequency

is_memory_access

volatile uint8_t nikon_pruicss_xchg::is_memory_access

Status for memory write

num_rx_frames

volatile uint8_t nikon_pruicss_xchg::num_rx_frames

Number of Rx frames to be receive

multi_transmission_delay

volatile uint8_t nikon_pruicss_xchg::multi_transmission_delay

t5(m)-t6-t5(m-1) delay between 2 consecutive responses of encoders connected in bus

pru_sync_status

volatile uint8_t nikon_pruicss_xchg::pru_sync_status[NUM_ED_CH_MAX]

status flag for synchronization of PRUs in load share

primary_core_mask

volatile uint8_t nikon_pruicss_xchg::primary_core_mask

Primary core mask incase of load share

opmode

volatile uint8_t nikon_pruicss_xchg::opmode[NUM_ED_CH_MAX]

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

cdf_frame

volatile uint32_t nikon_pruicss_xchg::cdf_frame[NUM_ED_CH_MAX]

Command to be transmitted to Tx

mdf_frame

volatile uint32_t nikon_pruicss_xchg::mdf_frame[NUM_MDF_MAX]

Memory data frames MDF 0,1 indexes for data and MDF 2 index for EEPROM address

pos_data_res

struct pos_data_res nikon_pruicss_xchg::pos_data_res[NUM_ENCODERS_MAX]

Results extracted from raw data receivedd

delay_10us

volatile uint32_t nikon_pruicss_xchg::delay_10us

Nikon Minimum delay between memory access commands

delay_300us

volatile uint32_t nikon_pruicss_xchg::delay_300us

Nikon Max membusy duration

delay_30ms

volatile uint32_t nikon_pruicss_xchg::delay_30ms

Nikon max interframe delay

icssg_clk

volatile uint64_t nikon_pruicss_xchg::icssg_clk

ICSSG core clock frequency