Created
December 23, 2011 22:21
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ENC28J60 SPI packet analyzer written i bash
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#!/bin/bash | |
first=1 | |
# Skip the first line | |
read junk | |
export IFS="," | |
last_id=abc | |
bank=0 | |
while getopts ":b:" opt | |
do | |
case $opt in | |
b) | |
bank=$OPTARG | |
;; | |
*) | |
echo "Invalid option: -$OPTARG" >&2 | |
;; | |
esac | |
done | |
while read time id mosi miso | |
do | |
if [ -z "$id" ] | |
then | |
continue | |
fi | |
mosi=`echo $mosi | sed "s,^0b \(....\) *\(....\)$,\1\2,"` | |
miso=`echo $miso | sed "s,^0b \(....\) *\(....\)$,\1\2,"` | |
if [ "$id" != "$last_id" ] | |
then | |
echo | |
echo -n "#$id: " | |
reg=`echo $mosi | cut -c 4-8` | |
reg_dec=`concalc -m base -b dec bin$reg 2>/dev/null` | |
reg_hex=`concalc -m base -b hex bin$reg 2>/dev/null` | |
echo mosi=$mosi, opcode=`echo $mosi | cut -c 1-3` | |
# set -x | |
name=`sed -n \ | |
-e "s, *\([A-Z0-9]*\).*= 0x${bank} + 0x0$reg_hex.*$,\1,p" \ | |
-e "s, *\([A-Z0-9]*\).*= 0x${bank} + 0x$reg_hex.*$,\1,p" \ | |
$0` | |
set +x | |
case $mosi in | |
000*) | |
echo "read control" | |
echo "Register: $reg, $reg_dec, $reg_hex, name=$name (bank=0x${bank}0)" | |
;; | |
00111010) echo "read buffer memory" ;; | |
010*) | |
echo "write control" | |
echo "Register: $reg, $reg_dec, $reg_hex, name=$name (bank=0x${bank}0)" | |
if [ $reg_hex = 1F ] | |
then | |
# set -x | |
read_bank=1 | |
fi | |
;; | |
00111010) echo "write buffer memory" ;; | |
100*) | |
echo "bit field set" | |
echo "Register: $reg, $reg_dec, $reg_hex, name=$name (bank=0x${bank}0)" | |
;; | |
101*) | |
echo "bit field clear" | |
echo "Register: $reg, $reg_dec, $reg_hex, name=$name (bank=0x${bank}0)" | |
;; | |
11111111) | |
echo "reset" | |
;; | |
*) echo "UNKNOWN" ;; | |
esac | |
else | |
echo "Data: out=$mosi in=$miso" | |
if [ "$read_bank" = 1 ] | |
then | |
# set -x | |
bank=`concalc -m base -b hex "bin${mosi}00 & bin1100" 2>/dev/null` | |
set +x | |
read_bank=0 | |
fi | |
fi | |
last_id=$id | |
done | |
echo "" | |
echo "Current bank: $bank" | |
exit 0 | |
ERDPTL = 0x0 + 0x00 | |
EHT0 = 0x4 + 0x00 | |
MACON1 = 0x8 + 0x00 | |
MAADR5 = 0xC + 0x00 | |
ERDPTH = 0x0 + 0x01 | |
EHT1 = 0x4 + 0x01 | |
MAADR6 = 0xC + 0x01 | |
EWRPTL = 0x0 + 0x02 | |
EHT2 = 0x4 + 0x02 | |
MACON3 = 0x8 + 0x02 | |
MAADR3 = 0xC + 0x02 | |
EWRPTH = 0x0 + 0x03 | |
EHT3 = 0x4 + 0x03 | |
MACON4 = 0x8 + 0x03 | |
MAADR4 = 0xC + 0x03 | |
ETXSTL = 0x0 + 0x04 | |
EHT4 = 0x4 + 0x04 | |
MABBIPG = 0x8 + 0x04 | |
MAADR1 = 0xC + 0x04 | |
ETXSTH = 0x0 + 0x05 | |
EHT5 = 0x4 + 0x05 | |
MAADR2 = 0xC + 0x05 | |
ETXNDL = 0x0 + 0x06 | |
EHT6 = 0x4 + 0x06 | |
MAIPGL = 0x8 + 0x06 | |
EBSTSD = 0xC + 0x06 | |
ETXNDH = 0x0 + 0x07 | |
EHT7 = 0x4 + 0x07 | |
MAIPGH = 0x8 + 0x07 | |
EBSTCON = 0xC + 0x07 | |
ERXSTL = 0x0 + 0x08 | |
EPMM0 = 0x4 + 0x08 | |
MACLCON1 = 0x8 + 0x08 | |
EBSTCSL = 0xC + 0x08 | |
ERXSTH = 0x0 + 0x09 | |
EPMM1 = 0x4 + 0x09 | |
MACLCON2 = 0x8 + 0x09 | |
EBSTCSH = 0xC + 0x09 | |
ERXNDL = 0x0 + 0x0A | |
EPMM2 = 0x4 + 0x0A | |
MAMXFLL = 0x8 + 0x0A | |
MISTAT = 0xC + 0x0A | |
ERXNDH = 0x0 + 0x0B | |
EPMM3 = 0x4 + 0x0B | |
MAMXFLH = 0x8 + 0x0B | |
ERXRDPTL = 0x0 + 0x0C | |
EPMM4 = 0x4 + 0x0C | |
ERXRDPTH = 0x0 + 0x0D | |
EPMM5 = 0x4 + 0x0D | |
ERXWRPTL = 0x0 + 0x0E | |
EPMM6 = 0x4 + 0x0E | |
ERXWRPTH = 0x0 + 0x0F | |
EPMM7 = 0x4 + 0x0F | |
EDMASTL = 0x0 + 0x10 | |
EPMCSL = 0x4 + 0x10 | |
EDMASTH = 0x0 + 0x11 | |
EPMCSH = 0x4 + 0x11 | |
EDMANDL = 0x0 + 0x12 | |
MICMD = 0x8 + 0x12 | |
EREVID = 0xC + 0x12 | |
EDMANDH = 0x4 + 0x13 | |
EDMADSTL = 0x0 + 0x14 | |
EPMOL = 0x4 + 0x14 | |
MIREGADR = 0x8 + 0x14 | |
EDMADSTH = 0x0 + 0x15 | |
EPMOH = 0x4 + 0x15 | |
ECOCON = 0xC + 0x15 | |
EDMACSL = 0x0 + 0x16 | |
MIWRL = 0x8 + 0x16 | |
EDMACSH = 0x0 + 0x17 | |
MIWRH = 0x8 + 0x17 | |
EFLOCON = 0xC + 0x17 | |
ERXFCON = 0x4 + 0x18 | |
MIRDL = 0x8 + 0x18 | |
EPAUSL = 0xC + 0x18 | |
EPKTCNT = 0x4 + 0x19 | |
MIRDH = 0x8 + 0x19 | |
EPAUSH = 0xC + 0x19 | |
EIE = 0x0 + 0x1B | |
EIR = 0x0 + 0x1C | |
ESTAT = 0x0 + 0x1D | |
ECON2 = 0x0 + 0x1E | |
ECON1 = 0x0 + 0x1F | |
EIE = 0x4 + 0x1B | |
EIR = 0x4 + 0x1C | |
ESTAT = 0x4 + 0x1D | |
ECON2 = 0x4 + 0x1E | |
ECON1 = 0x4 + 0x1F | |
EIE = 0x8 + 0x1B | |
EIR = 0x8 + 0x1C | |
ESTAT = 0x8 + 0x1D | |
ECON2 = 0x8 + 0x1E | |
ECON1 = 0x8 + 0x1F | |
EIE = 0xC + 0x1B | |
EIR = 0xC + 0x1C | |
ESTAT = 0xC + 0x1D | |
ECON2 = 0xC + 0x1E | |
ECON1 = 0xC + 0x1F |
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