Mengapa nilai hitung saya untuk rx_tam_adjust salah saat menggunakan skrip yang ditemukan dalam contoh desain untuk varian PTP multijalur dari Intel® FPGA Hard IP Ethernet F-tile?

# b) Hitung penyesuaian pulsa

untuk {set fl 0} {$fl < $::FL} {incr fl} {
set rx_xcvr_if_pulse_adj($fl) [format 0x%X $rx_fec_cw_pos_fl($fl)]
}

# b) Hitung penyesuaian pulsa dan periksa rollover cw_pos FEC antara jalur FEC yang diterima dari jalur transceiver yang sama

untuk {set fl 0} {$fl < $::FL} {incr fl} {
atur fl_minus [expr $fl - [expr $fl % $::P L_FL_MAP]]
set cond1a [expr ($rx_fec_cw_pos_fl($fl) >= $rx_fec_cw_pos_fl($fl_minus))]
Setel cond1b [expr (($rx_fec_cw_pos_fl($fl) - $rx_fec_cw_pos_fl($fl_minus)) > 0x4E20)]

Setel cond2a [expr ($rx_fec_cw_pos_fl($fl_minus) > $rx_fec_cw_pos_fl($fl))]
Setel cond2b [expr (($rx_fec_cw_pos_fl($fl_minus) - $rx_fec_cw_pos_fl($fl)) > 0x4E20)]

jika: {$cond 1a &&; $cond 1b} {
jika {$::FEC == 2} {
# KRFEC
set rx_xcvr_if_pulse_adj($fl) [expr 0x5280 - $rx_fec_cw_pos_fl($fl)]
} elseif {($::FEC == 3) || ($::FEC == 4)} {
# KP/LLFEC
set rx_xcvr_if_pulse_adj($fl) [expr 0x5500 - $rx_fec_cw_pos_fl($fl)]
}
Atur rx_xcvr_if_pulse_adj_sign($fl) 0x1
} elseif {$cond 2a &&; $cond 2b} {
jika {$::FEC == 2} {
# KRFEC
set rx_xcvr_if_pulse_adj($fl) [expr 0x5280 + $rx_fec_cw_pos_fl($fl)]
} elseif {($::FEC == 3) || ($::FEC == 4)} {
# KP/LLFEC
set rx_xcvr_if_pulse_adj($fl) [expr 0x5500 + $rx_fec_cw_pos_fl($fl)]
}
Atur rx_xcvr_if_pulse_adj_sign($fl) 0x0
} else {
set rx_xcvr_if_pulse_adj($fl) [format 0x%X $rx_fec_cw_pos_fl($fl)]
Atur rx_xcvr_if_pulse_adj_sign($fl) 0x0
}
}

return [array get rx_xcvr_if_pulse_adj]

Atur l_rx_xcvr_if_pulse_adj [array get rx_xcvr_if_pulse_adj]
Atur l_rx_xcvr_if_pulse_adj_sign [array get rx_xcvr_if_pulse_adj_sign]

kembali [daftar $l_rx_xcvr_if_pulse_adj $l_rx_xcvr_if_pulse_adj_sign]

proc determine_rx_ref_lane {lst_rx_xcvr_if_pulse_adj VL ui rx_pcs_bitslip_cnt rx_pcs_dlpulse_aligned l_rx_apulse_offset l_rx_apulse_offset_sign l_rx_apulse_wdelay l_rx_apulse_time ip_inst_base_addr} {

#

# argumen:

# Mengembalikan: 'array-lists' untuk RX spulse offset (+ bit tanda). RX Ref PL/VL/FL

Set array rx_apulse_offset $l_rx_apulse_offset

set array rx_apulse_offset_sign $l_rx_apulse_offset_sign

Set array rx_apulse_wdelay $l_rx_apulse_wdelay

Set array rx_apulse_time $l_rx_apulse_time

Set array rx_xcvr_if_pulse_adj $lst_rx_xcvr_if_pulse_adj

print_info_time "Tentukan jalur referensi RX"

# a) Tentukan offset pulsa sinkronisasi (Penanda Penjajaran) dengan mengacu pada pulsa asinkron

jika {$::FEC > 0} {

print_out "\tVarian : FEC>0"

untuk {set fl 0} {$fl < $::FL} {incr fl} {

atur fl_minus [expr $fl - [expr $fl % $::P L_FL_MAP]]

set val0 [format 0x%X [expr $rx_xcvr_if_pulse_adj($fl_minus) & 0x0000001F]]

atur val1 [format 0x%X [expr $rx_xcvr_if_pulse_adj($fl) + $val 0]]

jika {$val 1 > $rx_xcvr_if_pulse_adj($fl_minus)} {

Atur rx_spulse_offset_sign($fl) 0

set rx_spulse_offset_0 [format 0x%lX [expr [expr ($rx_xcvr_if_pulse_adj($fl) - $rx_xcvr_if_pulse_adj($fl_minus)) + $val 0] * $ui * $::P L_FL_MAP]]

atur rx_spulse_offset_1 [format 0x%lX [expr $rx_spulse_offset_0 &0x7FFFFFFFFFF]] ; # 43'rx_spulse_offset_0

set rx_spulse_offset($fl) [format 0x%X [expr $rx_spulse_offset_1 >> [expr 28 - 16]]]

} else {

Set rx_spulse_offset_sign($fl) 1

set rx_spulse_offset_0 [format 0x%lX [expr [expr ($rx_xcvr_if_pulse_adj($fl_minus) - $rx_xcvr_if_pulse_adj($fl)) - $val 0] * $ui * $::P L_FL_MAP]]

atur rx_spulse_offset_1 [format 0x%lX [expr $rx_spulse_offset_0 &0x7FFFFFFFFFF]] ; # 43'rx_spulse_offset_0

set rx_spulse_offset($fl) [format 0x%X [expr $rx_spulse_offset_1 >> [expr 28 - 16]]]

}

proc determine_rx_ref_lane {lst_rx_xcvr_if_pulse_adj lst_rx_xcvr_if_pulse_adj_sign VL ui rx_pcs_bitslip_cnt rx_pcs_dlpulse_aligned l_rx_apulse_offset l_rx_apulse_offset_sign l_rx_apulse_wdelay l_rx_apulse_time ip_inst_base_addr} {

#

# argumen:

# Mengembalikan: 'array-lists' untuk RX spulse offset (+ bit tanda). RX Ref PL/VL/FL

Set array rx_apulse_offset $l_rx_apulse_offset

set array rx_apulse_offset_sign $l_rx_apulse_offset_sign

Set array rx_apulse_wdelay $l_rx_apulse_wdelay

Set array rx_apulse_time $l_rx_apulse_time

Set array rx_xcvr_if_pulse_adj $lst_rx_xcvr_if_pulse_adj

Set array rx_xcvr_if_pulse_adj_sign $lst_rx_xcvr_if_pulse_adj_sign

print_info_time "Tentukan jalur referensi RX"

# a) Tentukan offset pulsa sinkronisasi (Penanda Penjajaran) dengan mengacu pada pulsa asinkron

jika {$::FEC > 0} {

print_out "\tVarian : FEC>0"

untuk {set fl 0} {$fl < $::FL} {incr fl} {

atur fl_minus [expr $fl - [expr $fl % $::P L_FL_MAP]]

set val0 [format 0x%X [expr $rx_xcvr_if_pulse_adj($fl_minus) & 0x0000001F]]

atur val1 [format 0x%X [expr $rx_xcvr_if_pulse_adj($fl) + $val 0]]

jika {$rx_xcvr_if_pulse_adj_sign($fl) == 1} {

Set rx_spulse_offset_sign($fl) 1

atur rx_spulse_offset_0 [format 0x%lX [expr $rx_xcvr_if_pulse_adj($fl) * $ui * $::P L_FL_MAP]]

atur rx_spulse_offset_1 [format 0x%lX [expr $rx_spulse_offset_0 &0x7FFFFFFFFFF]] ; # 43'rx_spulse_offset_0

set rx_spulse_offset($fl) [format 0x%X [expr $rx_spulse_offset_1 >> [expr 28 - 16]]]

} else {

jika {$val 1 > $rx_xcvr_if_pulse_adj($fl_minus)} {

Atur rx_spulse_offset_sign($fl) 0

set rx_spulse_offset_0 [format 0x%lX [expr [expr ($rx_xcvr_if_pulse_adj($fl) - $rx_xcvr_if_pulse_adj($fl_minus)) + $val 0] * $ui * $::P L_FL_MAP]]

atur rx_spulse_offset_1 [format 0x%lX [expr $rx_spulse_offset_0 &0x7FFFFFFFFFF]] ; # 43'rx_spulse_offset_0

set rx_spulse_offset($fl) [format 0x%X [expr $rx_spulse_offset_1 >> [expr 28 - 16]]]

} else {

Set rx_spulse_offset_sign($fl) 1

set rx_spulse_offset_0 [format 0x%lX [expr [expr ($rx_xcvr_if_pulse_adj($fl_minus) - $rx_xcvr_if_pulse_adj($fl)) - $val 0] * $ui * $::P L_FL_MAP]]

atur rx_spulse_offset_1 [format 0x%lX [expr $rx_spulse_offset_0 &0x7FFFFFFFFFF]] ; # 43'rx_spulse_offset_0

set rx_spulse_offset($fl) [format 0x%X [expr $rx_spulse_offset_1 >> [expr 28 - 16]]]

}

}

rangkaian array rx_xcvr_if_pulse_adj [configure_rx_fec_cw_pos $inst_num $init_pl]

jika {$::FEC > 0} {

mengatur int_list [configure_rx_fec_cw_pos $inst_num $init_pl]

lassign $int_list l_rx_xcvr_if_pulse_adj l_rx_xcvr_if_pulse_adj_sign

Set array rx_xcvr_if_pulse_adj $l_rx_xcvr_if_pulse_adj

Set array rx_xcvr_if_pulse_adj_sign $l_rx_xcvr_if_pulse_adj_sign

jika {$::d ebug} {

untuk {set fl 0} {$fl < $::FL} {incr fl} {

print_out "\trx_xcvr_if_pulse_adj($fl) : [format 0x%08X $rx_xcvr_if_pulse_adj($fl)]"

print_out "\trx_xcvr_if_pulse_adj_sign($fl) : [format 0x%08X $rx_xcvr_if_pulse_adj_sign($fl)]"

}

}

# Langkah 3: Tentukan jalur referensi RX

Atur int_list [determine_rx_ref_lane [array get rx_xcvr_if_pulse_adj]\

$VL\

# Langkah 3: Tentukan jalur referensi RX

Atur int_list [determine_rx_ref_lane [array get rx_xcvr_if_pulse_adj]\

[array mendapatkan rx_xcvr_if_pulse_adj_sign]\

$VL