Superminaren
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MMDVM
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11 Commits

Author SHA1 Message Date
Shawn Chain 5d987969a9 The AX25 sine value ranges from 0-4095, and inside io.write() will perform the calculation (value * q15_t(txLevel) >> 15) which may exceed 4096 and cause the DAC Overflow error 2022-09-13 20:18:03 +08:00
Jonathan Naylor 81518bf74c Make AX.25, DMR, P25, NXDN and FM selectable at compile time. 2020-11-08 22:23:27 +00:00
Jonathan Naylor 29c8cf9414 Add AX.25 Slot Time and P-Persist processing for simplex work. 2020-07-01 12:33:08 +01:00
Jonathan Naylor 52a351d0f1 Slight tweak to the mark and space. 2020-06-29 16:11:56 +01:00
Jonathan Naylor 43f84ae968 Simplify the pre-emphasis code for AX.25. 2020-06-29 15:59:46 +01:00
Jonathan Naylor a73376671c Fix preamble and NRZI. 2020-06-28 15:27:58 +01:00
Geoffrey Merck ea0c1953cc correct preamble and NRZI 2020-06-28 11:22:10 +02:00
Jonathan Naylor a29cb23a75 Remove TX Twist. 2020-06-27 22:55:16 +01:00
Jonathan Naylor a7ac55795d Fix obvious AX25 TX data bug. 2020-06-24 12:46:27 +01:00
Jonathan Naylor 3de10fe98b First version of the AX25 TX functionality. 2020-06-24 11:14:02 +01:00
Jonathan Naylor 7ad70d04a4 Add a dummy AX25 transmit function and make AX25 RX changes. 2020-06-23 10:34:19 +01:00