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Merge remote-tracking branch 'ofw/dev' into mntm-dev

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Willy-JL
2024-09-05 18:13:22 +02:00
parent 3e3ce725ab 6a48dd28f5
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documentation/ExpansionModules.md
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@@ -73,7 +73,7 @@ If the requested baud rate is supported by the host, it SHALL respond with a STA
### Control frame
CONTROL frames are used to control various aspects of the communication. As of now, the sole purpose of CONTROL frames is to start and stop the RPC session.
CONTROL frames are used to control various aspects of the communication and enable/disable various device features.
| Header (1 byte) | Contents (1 byte) | Checksum (1 byte) |
|-----------------|-------------------|-------------------|
@@ -81,10 +81,18 @@ CONTROL frames are used to control various aspects of the communication. As of n
The `Command` field SHALL have one of the followind values:
| Command | Meaning |
|---------|-------------------|
| 0x00 | Start RPC session |
| 0x01 | Stop RPC session |
| Command | Meaning | Note |
|---------|--------------------------|:----:|
| 0x00 | Start RPC session | 1 |
| 0x01 | Stop RPC session | 2 |
| 0x02 | Enable OTG (5V) on GPIO | 3 |
| 0x03 | Disable OTG (5V) on GPIO | 3 |
Notes:
1. Must only be used while the RPC session NOT active.
2. Must only be used while the RPC session IS active.
3. See 1, otherwise OTG is to be controlled via RPC messages.
### Data frame