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pocs/kc705: make analyzer optional, blink led for 100ms when a LFPS Polling is detected

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This commit is contained in:
Florent Kermarrec 2019-10-02 19:23:54 +02:00
parent f28809c824
commit 62d28ee96c
1 changed files with 28 additions and 19 deletions
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47
pocs/kc705/kc705.py
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@ -1,6 +1,7 @@
#!/usr/bin/env python3
from migen import *
from migen.genlib.misc import WaitTimer
from litex.build.generic_platform import *
@ -53,7 +54,9 @@ class _CRG(Module):
# USB3SoC ------------------------------------------------------------------------------------------
class USB3SoC(SoCMini):
def __init__(self, platform, with_etherbone=False, mac_address=0x10e2d5000000, ip_address="192.168.1.50"):
def __init__(self, platform,
with_etherbone=False, mac_address=0x10e2d5000000, ip_address="192.168.1.50",
with_analyzer=False):
sys_clk_freq = int(156.5e6)
SoCMini.__init__(self, platform, sys_clk_freq, ident="USB3SoC", ident_version=True)
@ -152,32 +155,38 @@ class USB3SoC(SoCMini):
self.comb += lfps_receiver.idle.eq(rxelecidle)
# LFPS Polling Transmit --------------------------------------------------------------------
if True:
lfps_transmitter = LFPSTransmitter(sys_clk_freq=sys_clk_freq, lfps_clk_freq=25e6)
self.submodules += lfps_transmitter
self.comb += [
txelecidle.eq(lfps_transmitter.idle),
gtx.tx_produce_pattern.eq(~lfps_transmitter.idle),
gtx.tx_pattern.eq(lfps_transmitter.pattern)
]
lfps_transmitter = LFPSTransmitter(sys_clk_freq=sys_clk_freq, lfps_clk_freq=25e6)
self.submodules += lfps_transmitter
self.comb += [
txelecidle.eq(lfps_transmitter.idle),
gtx.tx_produce_pattern.eq(~lfps_transmitter.idle),
gtx.tx_pattern.eq(lfps_transmitter.pattern),
]
# Leds -------------------------------------------------------------------------------------
self.comb += platform.request("user_led", 0).eq(gtx.tx_ready)
self.comb += platform.request("user_led", 1).eq(gtx.rx_ready)
self.comb += platform.request("user_led", 7).eq(rxelecidle)
polling_timer = WaitTimer(int(sys_clk_freq*1e-1))
self.submodules += polling_timer
self.comb += [
polling_timer.wait.eq(~lfps_receiver.polling),
platform.request("user_led", 2).eq(~polling_timer.done)
]
# Analyzer ---------------------------------------------------------------------------------
analyzer_signals = [
rxelecidle,
txelecidle,
if with_analyzer:
analyzer_signals = [
rxelecidle,
txelecidle,
lfps_receiver.polling,
lfps_receiver.count,
lfps_receiver.found,
lfps_receiver.fsm,
]
self.submodules.analyzer = LiteScopeAnalyzer(analyzer_signals, 32768, csr_csv="analyzer.csv")
self.add_csr("analyzer")
lfps_receiver.polling,
lfps_receiver.count,
lfps_receiver.found,
lfps_receiver.fsm,
]
self.submodules.analyzer = LiteScopeAnalyzer(analyzer_signals, 32768, csr_csv="analyzer.csv")
self.add_csr("analyzer")
# Build --------------------------------------------------------------------------------------------