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xaelsouth avatar xaelsouth commented on September 3, 2024

Not sure about 0 in S1 Mode, but rssi_filter() function should definetely be duplicated for both signal paths. Will fix this tomorrow.

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xaelsouth avatar xaelsouth commented on September 3, 2024
  1. Just fixed the issue with rssi = 0
  2. rssi_filter() splitted in two functions for T1/C1 and S1

Please test.

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alalons avatar alalons commented on September 3, 2024

working ok now. Could you explain or link an explanation for both rssi diferences?
Thank you

alvaro@alvaro-Compaq-Presario-CQ61-Notebook-PC:~/rtl-wmbus-master$ rtl_sdr -f 868.3M -s 1600000 - 2>/dev/null | rtl_wmbus
S1;1;1;2021-02-06 12:01:30.000;140;148;04998541;0x2c4465324185990401087a008000000b6e560400426c5f0c4b6e452301326c0000046d1a0e6f0202fdac7e0123
S1;1;1;2021-02-06 12:01:52.000;146;130;04998541;0x2c4465324185990401087a008000000b6e560400426c5f0c4b6e452301326c0000046d1a0e6f0202fdac7e0123

alvaro@alvaro-Compaq-Presario-CQ61-Notebook-PC:~/rtl-wmbus-master$ rtl_sdr -f 868.7M -s 1600000 - 2>/dev/null | rtl_wmbus -s
S1;1;1;2021-02-06 12:02:35.000;137;141;04998541;0x2c4465324185990401087a008000000b6e560400426c5f0c4b6e452301326c0000046d1a0e6f0202fdac7e0123

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xaelsouth avatar xaelsouth commented on September 3, 2024

It's simple. Packet rssi is an rssi value taken at the first datagram's bit (most significant bit in the L field) and will not be updated while receiving remaining bits of the current packet (or datagram). An another rssi is the current rssi which will be continuously updated with each bit received.

It's because I want to know how rssi was changing regarding to the beginning of the packet currently received.

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xaelsouth avatar xaelsouth commented on September 3, 2024

Close

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