From 307b46bd257137cef2dd6c1690022b92f6778896 Mon Sep 17 00:00:00 2001
From: Gijs <schoonderbeek@astron.nl>
Date: Wed, 28 Sep 2022 17:13:45 +0200
Subject: [PATCH] Added read packet count
---
spi_switch_Unb2c.py | 21 +++++++++++++++++++--
1 file changed, 19 insertions(+), 2 deletions(-)
diff --git a/spi_switch_Unb2c.py b/spi_switch_Unb2c.py
index 9ddd737..713e7ea 100644
--- a/spi_switch_Unb2c.py
+++ b/spi_switch_Unb2c.py
@@ -31,6 +31,7 @@ import sys
import spidev
DEBUG=False
+CRC = False #True # CRC or packet counter
# We only have SPI bus 0 available to us on the Pi
bus = 0
@@ -136,7 +137,7 @@ def read_link_status():
stri = "| "
for cnt_port in range(16):
if ret[3] & (0x8000 >> cnt_port) :
- stri += "U | "
+ stri += "P | "
else:
stri += " | "
print(stri)
@@ -166,6 +167,9 @@ def read_link_status():
stri += "Rx: Er "
if ret[2] & 0x40:
stri += "Rx FIFO Er "
+# ret_err = read_switch(0x10+cnt,0x2E, pr_stri = False)
+# stri += f"CRC errs: 0x{ret_err[1]:2x}"
+# rest = write_switch_bytes(0x01,0x23, [0x40], pr_stri = False)
else:
stri += "link down "
print(stri)
@@ -208,7 +212,7 @@ def read_link_status():
read_switch(0x10+cnt,0x2e)
if 1:
# alternative status read out, works better for SerDes lines.
- for prt_cnt in [9, 10, 11,12, 13,14, 15]:
+ for prt_cnt in [8, 9, 10, 11,12, 13,14, 15]:
ret = read_switch(0x10+prt_cnt,0x28, pr_stri = False)
stri = "Port status of " + str(prt_cnt) + " "
if ret[1] & 0x02:
@@ -235,6 +239,19 @@ def read_link_status():
stri += "Rx Fifo Err "
if ret[2] & 0x80:
stri += "Tx Fifo Err "
+ ret = read_switch(0x10+prt_cnt,0x2E, pr_stri = False)
+ if CRC:
+ rest = write_switch_bytes(0x10+prt_cnt,0x34, [0x20, 0x10], pr_stri = False)
+ rest = write_switch_bytes(0x10+prt_cnt,0x3e, [0x00, 0x00], pr_stri = False)
+ rest = write_switch_bytes(0x10+prt_cnt,0x20, [0xD0, 0x01], pr_stri = False)
+ stri += f"CRC err: {ret[0]} "
+ else:
+ rest = write_switch_bytes(0x10+prt_cnt,0x3e, [0x00, 0x00], pr_stri = False)
+ rest = write_switch_bytes(0x10+prt_cnt,0x20, [0xD0, 0x09], pr_stri = False)
+ stri += f"Rx packet count: {ret[0]} "
+ rest = write_switch_bytes(0x10+prt_cnt,0x22, [0x41, 0x41], pr_stri = False)
+ rest = write_switch_bytes(0x10+prt_cnt,0x3e, [0x00, 0x00], pr_stri = False)
+ rest = write_switch_bytes(0x10+prt_cnt,0x2E, [0x00, 0x00], pr_stri = False)
else:
stri += "Down "
print(stri)
--
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