carrerashark/README@9e6feafc19e1 (annotated)
carrerashark/README
Thu, 24 Nov 2011 16:04:30 +0100
- author
- Malte Bayer <mbayer@neo-soft.org>
- date
- Thu, 24 Nov 2011 16:04:30 +0100
- changeset 17
- 9e6feafc19e1
- parent 12
- a399f9d5e672
- child 31
- a8f082503782
- permissions
- -rw-r--r--
added timer0 based car id detection - works only on 50/50 input signal
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12
a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
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1 | CarreraShark |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
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2 | Rail data packet sniffer |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
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3 | |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
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4 | Hardware: Mega16, 8mhz |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
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5 | PD2 = Controller Input |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
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6 | |>o = Inv Schmitt Trigger for signal buffering (74hc14) |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
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7 | |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
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8 | [RAIL+] ------[33kohm]------+-----|>o--|>0----[PD2] |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
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9 | | |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
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10 | --[10kohm]--- |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
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11 | | |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
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12 | [RAIL-] --------------------------------+-----[GND] |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
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13 | |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
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14 | |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
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15 | Debug Pins: |
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a399f9d5e672
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Malte Bayer <mbayer@neo-soft.org>
parents:
diff
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16 | PD3 = Packet Start pulse |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
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17 | PD4 = Bit timer pulse (50ns) |
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a399f9d5e672
added carrerashark project-part to separate subdirectory
Malte Bayer <mbayer@neo-soft.org>
parents:
diff
changeset
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18 | PD5 = Cycle Sync: each low/high change == start of cycle (after program packet received) |
