blackbox/reverse.engineer

Sun, 22 Dec 2013 01:50:59 +0100

author
Malte Bayer <mbayer@neo-soft.org>
date
Sun, 22 Dec 2013 01:50:59 +0100
changeset 149
1c3425af9aa0
parent 0
9b7de464f0ea
permissions
-rw-r--r--

car firmware suspended, avr chip not responding after fuse error (note to self, never program an avr when powered via the SCK line :-)

0
9b7de464f0ea initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff changeset
1 avrdude: safemode: lfuse reads as 2F
9b7de464f0ea initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff changeset
2 avrdude: safemode: hfuse reads as C8
9b7de464f0ea initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff changeset
3
9b7de464f0ea initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff changeset
4 Paketintervall = 7.5 ms
9b7de464f0ea initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff changeset
5
9b7de464f0ea initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
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6 1 Startbit
9b7de464f0ea initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
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7 MSB vs LSB-Format???
9b7de464f0ea initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
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8 8 MHz Systemtakt
9b7de464f0ea initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff changeset
9
9b7de464f0ea initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
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10
9b7de464f0ea initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
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11 Datentakt (bits) Bus = 50 µs == 20 KHz
9b7de464f0ea initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
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12 TIMER0 (8bit mit prescaler 2): alle 400/200 Taktzyklen Manchester Code ausgeben
9b7de464f0ea initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff changeset
13
9b7de464f0ea initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
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14 TIMER1 (16bit) Pakettimer = 7,5 ms == 133 Hz: alle 60000 Taktzyklen ein Paket ausgeben
9b7de464f0ea initial commit - controller1 working
Malte Bayer <mbayer@neo-soft.org>
parents:
diff changeset
15

mercurial