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Signed-off-by: Nick Vissers <[email protected]>
Signed-off-by: Nick Vissers <[email protected]>
Signed-off-by: Nick Vissers <[email protected]>
Signed-off-by: Nick Vissers <[email protected]>
bravl
approved these changes
Apr 1, 2025
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| High-Level Data Link Control (HDLC) is a communication protocol used for transmitting data between devices in telecommunication and networking. Developed by the International Organization for Standardization (ISO), it is defined in the standard ISO/IEC 13239:2002. See[Wikipedia](https://en.wikipedia.org/wiki/High-Level_Data_Link_Control) for more information. | ||
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| `libhdlc` is a small code-size C implementation of the HDLC communication protocol. The implementation has a low memory footprint, which makes it especially suitable for memory restricted microcontrollers (e.g., Cortex-M0+). |
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If possible it would be nice to have a flash and memory footprint (average here). Same for libcobs actually but I forgot to comment that 😄
| HDLC_CONTROL_S_FRAME_CODE_RNR = 0x02, // Receive not ready | ||
| HDLC_CONTROL_S_FRAME_CODE_SREJ = 0x03 // Selective reject on frame N(R) | ||
| HDLC_CONTROL_S_FRAME_CODE_RR = 0x00, // Receiver ready to accept more I-frames | ||
| HDLC_CONTROL_S_FRAME_CODE_REJ = 0x01, // Go back N retransmission request for an I-frame |
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Maybe "Reject, go back N ..."? The abbreviation is for Reject according to the spec.
| HDLC_CONTROL_S_FRAME_CODE_RR = 0x00, // Receiver ready to accept more I-frames | ||
| HDLC_CONTROL_S_FRAME_CODE_REJ = 0x01, // Go back N retransmission request for an I-frame | ||
| HDLC_CONTROL_S_FRAME_CODE_RNR = 0x02, // Receive not ready to accept more I-frames | ||
| HDLC_CONTROL_S_FRAME_CODE_SREJ = 0x03 // Selective retransmission request for an I-frame |
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