 Jonathan Naylor
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c84dbd02e5
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Merge pull request #253 from F4FXL/FM_Ext
FM into FM_Ext
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2020-05-08 21:07:46 +01:00 |
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Jonathan Naylor
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e30eb3adaf
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Reduce the output buffer loading.
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2020-05-08 17:18:26 +01:00 |
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Jonathan Naylor
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7c9385beab
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Merge pull request #252 from F4FXL/FM_Ext
Use pointer/shift/masking for sample unpacking
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2020-05-08 16:53:32 +01:00 |
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Jonathan Naylor
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604957b3e2
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Merge pull request #251 from F4FXL/FM_Ext
Remove Union for sample packing
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2020-05-08 16:30:06 +01:00 |
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Jonathan Naylor
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9b0fed975c
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Buffer output after adding some initial silence.
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2020-05-08 15:48:03 +01:00 |
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Jonathan Naylor
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e7ff0d1898
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Use const uint8_t instead of non-const.
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2020-05-08 13:29:50 +01:00 |
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Jonathan Naylor
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880df2536d
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Add audio packing code.
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2020-05-08 12:30:15 +01:00 |
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Jonathan Naylor
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09b6929100
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Merge pull request #250 from F4FXL/FM_Ext
Merge FM into FM_Ext
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2020-05-08 11:04:14 +01:00 |
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Jonathan Naylor
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5ca9313db8
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Merge pull request #248 from F4FXL/FM
Make the FM chain RX Level independant
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2020-05-08 09:18:58 +01:00 |
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Jonathan Naylor
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d7cd7096d0
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Add the external audio state machine and the beginnings of the audio
processing.
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2020-05-07 22:39:17 +01:00 |
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Jonathan Naylor
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5d1b66dde3
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Add the missing functions.
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2020-05-07 22:07:58 +01:00 |
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Jonathan Naylor
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96364dc189
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Add the external audio parameters.
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2020-05-07 22:01:48 +01:00 |
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Jonathan Naylor
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a816818e3f
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Beginnings of external audio for the FM controller.
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2020-05-07 16:17:00 +01:00 |
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Jonathan Naylor
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eb9c0dfd93
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Allow for the inversion of COS levels.
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2020-05-06 11:34:04 +01:00 |
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Jonathan Naylor
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79a09e61fa
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Add the dot to the FM keyer.
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2020-05-05 21:02:56 +01:00 |
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Jonathan Naylor
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9978a75651
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Merge branch 'master' into FM
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2020-05-05 21:01:15 +01:00 |
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Jonathan Naylor
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bd16d13531
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Add the dot to the CW Id.
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2020-05-05 21:00:36 +01:00 |
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Jonathan Naylor
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f00d729264
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Merge pull request #246 from F4FXL/bugfix/STM32F1_POG
Bug Fixes for the STM32F1_POG and derivatives
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2020-05-05 10:17:03 +01:00 |
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Jonathan Naylor
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aa7a484c7a
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Allow the start callsign to occur when the kerchunk timer has latched.
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2020-05-04 22:18:51 +01:00 |
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Jonathan Naylor
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915be8c279
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Calculate the AckMinTime accurately.
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2020-05-04 22:06:57 +01:00 |
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Jonathan Naylor
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4feca3c5b7
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Clock the timers seperately.
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2020-05-03 13:08:33 +01:00 |
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Jonathan Naylor
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f8e119c26b
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Set the modem state in SET_CONFIG.
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2020-05-02 17:37:47 +01:00 |
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Jonathan Naylor
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edddbedd4b
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Fix compilation issues.
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2020-05-02 15:46:36 +01:00 |
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Jonathan Naylor
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baa4f7aa4c
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Last minute tidy-ups.
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2020-05-02 14:47:43 +01:00 |
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Jonathan Naylor
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de3c257f79
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Bump the version date.
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2020-05-01 18:47:15 +01:00 |
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Jonathan Naylor
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b027e1d1bf
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Merge pull request #243 from F4FXL/FM
Fix CTCSS value is different when using RXLevel 50 to 99
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2020-05-01 17:04:05 +01:00 |
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Jonathan Naylor
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5b32fecc0a
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Remove the pre- and de-emphasis and the downsampler.
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2020-04-30 11:39:04 +01:00 |
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Jonathan Naylor
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92a4db9886
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Merge pull request #242 from g4klx/revert-241-FM
Revert "Change emphasis time constant to 750µS"
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2020-04-30 11:23:42 +01:00 |
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Jonathan Naylor
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cc785e3225
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Revert "Change emphasis time constant to 750µS"
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2020-04-30 11:23:19 +01:00 |
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Jonathan Naylor
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be0690e587
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Merge pull request #241 from F4FXL/FM
Change emphasis time constant to 750µS
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2020-04-30 09:38:24 +01:00 |
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Jonathan Naylor
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b2f33fd4d2
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Bump the version date.
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2020-04-29 21:51:12 +01:00 |
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Jonathan Naylor
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200199c5d4
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Reduce the CPU load slightly.
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2020-04-29 20:59:48 +01:00 |
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Jonathan Naylor
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1465d6f91d
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Merge pull request #240 from F4FXL/FM
Add resmaplign/packing and Pre and De emphasis
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2020-04-29 20:45:02 +01:00 |
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Jonathan Naylor
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dac0f26e5d
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Rename RXBoost to RFAudioBoost.
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2020-04-28 14:43:40 +01:00 |
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Jonathan Naylor
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13993891ec
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Merge pull request #239 from m0vse/FM
Change FM cal levels
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2020-04-28 09:55:31 +01:00 |
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Jonathan Naylor
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172ac615a8
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Rescale the output.
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2020-04-27 14:59:33 +01:00 |
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Jonathan Naylor
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30031d8e95
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Increase the output level.
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2020-04-27 14:53:41 +01:00 |
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Jonathan Naylor
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b2de5defa4
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Tweak the values slightly.
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2020-04-27 14:47:17 +01:00 |
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Jonathan Naylor
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177c7548ae
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Merge pull request #237 from m0vse/FM
Add FM Cal modes
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2020-04-27 14:35:53 +01:00 |
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Jonathan Naylor
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d08a3690b0
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Double the signal level to the CTCSS decoder.
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2020-04-27 13:07:03 +01:00 |
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Jonathan Naylor
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e8ed77241c
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Simplify the calculations.
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2020-04-27 12:05:55 +01:00 |
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Jonathan Naylor
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82dcc44a2d
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Merge pull request #235 from F4FXL/FM
Move division to CTCSSRX, change sample unscaling to 1/rxLevel
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2020-04-27 10:27:51 +01:00 |
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Jonathan Naylor
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f9530ee82a
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Pass the RX level to the FM controller.
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2020-04-26 22:01:11 +01:00 |
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Jonathan Naylor
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d66c6d7f9c
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Fix the multiplication.
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2020-04-26 15:24:51 +01:00 |
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Jonathan Naylor
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458a3d2d24
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Bump the version date.
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2020-04-26 13:22:16 +01:00 |
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Jonathan Naylor
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6f4c19c006
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Convert to Q47 arithmetic.
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2020-04-26 13:02:43 +01:00 |
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Jonathan Naylor
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a31cf3d6f8
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Convert the CTCSS TX tones to Q31 from Q15.
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2020-04-26 12:07:10 +01:00 |
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Jonathan Naylor
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3fb0631953
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Merge pull request #233 from F4FXL/FM
Remove IO from CTCSSRX
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2020-04-26 11:45:44 +01:00 |
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Jonathan Naylor
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1bc8726046
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Merge pull request #232 from F4FXL/bugfix/FM_CTCSS_TX
Fix invalid values passed to arm_sin_q15
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2020-04-26 08:16:20 +01:00 |
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Jonathan Naylor
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05c8c130b6
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Merge pull request #231 from F4FXL/feature/FM_Normalized_CTCSS_Threshold
CTCSS threshold is level agnostic
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2020-04-26 08:15:15 +01:00 |
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Jonathan Naylor
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4d664c4aa4
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Merge pull request #230 from g4klx/revert-229-FM
Revert "Make CTCSS threshold RXLevel and RXBoost agnostic"
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2020-04-25 23:48:25 +01:00 |
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Jonathan Naylor
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bd4096b6be
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Revert "Make CTCSS threshold RXLevel and RXBoost agnostic"
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2020-04-25 23:48:02 +01:00 |
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Jonathan Naylor
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f92d93772c
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Merge branch 'FM' of https://github.com/g4klx/MMDVM into FM
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2020-04-25 22:32:37 +01:00 |
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Jonathan Naylor
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b963b2b848
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Add optional over deviation blanking.
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2020-04-25 22:32:10 +01:00 |
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Jonathan Naylor
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9dadb51f11
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Merge pull request #229 from F4FXL/FM
Make CTCSS threshold RXLevel and RXBoost agnostic
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2020-04-25 22:13:09 +01:00 |
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Jonathan Naylor
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8c38fdb36d
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Clean out the CTCSS decoder coefficient before initialising.
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2020-04-25 17:37:37 +01:00 |
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Jonathan Naylor
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4fe1c11250
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Remove memory leak and other configuration funnies.
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2020-04-25 17:29:10 +01:00 |
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Jonathan Naylor
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394ab8dfd1
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Merge pull request #228 from m0vse/FM
Fix for Ack/Callsign corruption in FM branch
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2020-04-25 16:24:10 +01:00 |
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Jonathan Naylor
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c638dbe55a
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Merge branch 'FM' of https://github.com/g4klx/MMDVM into FM
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2020-04-25 15:17:53 +01:00 |
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Jonathan Naylor
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6ac6deba10
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Add two more FM parameters.
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2020-04-25 15:17:11 +01:00 |
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Jonathan Naylor
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d2ce76fe89
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Merge pull request #227 from F4FXL/FM
Fix STM32F10X compile complaining about duplicate stuff
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2020-04-25 08:12:03 +01:00 |
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Jonathan Naylor
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868d33ebd2
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Rescale the CTCSS TX level.
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2020-04-24 15:00:40 +01:00 |
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Jonathan Naylor
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9fab1e0823
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Rescale some of the tone levels.
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2020-04-24 13:13:25 +01:00 |
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Jonathan Naylor
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242bc7b322
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Bump the version date.
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2020-04-24 12:54:50 +01:00 |
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Jonathan Naylor
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e5c25f55fe
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Remove the FM RX level.
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2020-04-24 12:51:10 +01:00 |
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Jonathan Naylor
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33f88344c3
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Run the holdoff timer permamnently.
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2020-04-24 12:15:58 +01:00 |
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Jonathan Naylor
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103d937152
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Remove unneeded line.
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2020-04-24 11:52:47 +01:00 |
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Jonathan Naylor
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e721dedf1e
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Merge pull request #225 from F4FXL/FM
Add FM Filtering
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2020-04-24 08:46:45 +01:00 |
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Jonathan Naylor
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7a75db2aeb
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Remove the bit shift of the sample.
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2020-04-23 21:30:41 +01:00 |
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Jonathan Naylor
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bf5ad25609
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A working fixed point Goertzel based on simulations.
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2020-04-23 12:36:34 +01:00 |
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Jonathan Naylor
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f19009b132
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Allow for two levels of the callsign.
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2020-04-22 22:10:34 +01:00 |
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Jonathan Naylor
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526a53cd8c
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Use fixed point for the Goertzel algorithm.
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2020-04-22 17:40:01 +01:00 |
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Jonathan Naylor
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57730d7f81
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Implement an efficient FIR filter.
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2020-04-22 14:37:23 +01:00 |
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Jonathan Naylor
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f936bc6fe8
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Use a shorter filter.
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2020-04-22 14:15:07 +01:00 |
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Jonathan Naylor
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3f1f1d1586
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Small tidy-ups.
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2020-04-22 14:08:34 +01:00 |
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Jonathan Naylor
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7940025095
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Merge pull request #223 from F4FXL/FM
One loop to rule them all !
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2020-04-22 13:30:56 +01:00 |
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Jonathan Naylor
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03f5056236
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Small code cleanups.
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2020-04-21 22:30:28 +01:00 |
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Jonathan Naylor
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23ff29c8f1
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Merge pull request #222 from F4FXL/FM
Almost working FM
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2020-04-21 22:09:58 +01:00 |
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Jonathan Naylor
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0a51b4c34e
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Store FM output in a ring buffer.
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2020-04-20 21:57:21 +01:00 |
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Jonathan Naylor
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046a1de51a
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Reduce the size of the main FM filter.
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2020-04-20 13:54:11 +01:00 |
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Jonathan Naylor
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ae58f8eb64
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Don't square the threshold value.
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2020-04-20 13:28:07 +01:00 |
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Jonathan Naylor
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5ed8eeda6f
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Allow kerchunk audio to pass through.
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2020-04-19 21:40:51 +01:00 |
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Jonathan Naylor
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1aef1a39f2
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Revert the CTCSS decoder to floats.
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2020-04-19 21:21:10 +01:00 |
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Jonathan Naylor
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a310bf0547
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Adjust the coefficients again.
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2020-04-19 19:46:44 +01:00 |
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Jonathan Naylor
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6575cba982
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Rescale the coefficient.
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2020-04-19 17:59:04 +01:00 |
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Jonathan Naylor
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a17bd9cc1d
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Don't scale up the sample values.
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2020-04-19 17:37:24 +01:00 |
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Jonathan Naylor
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f7e5c2436c
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Convert the Goertzel algorithm to Q15 and Q31.
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2020-04-19 16:52:11 +01:00 |
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Jonathan Naylor
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85816d5bec
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Re-add COS.
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2020-04-18 16:59:25 +01:00 |
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Jonathan Naylor
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ebdba2bdb9
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Convert to using floats.
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2020-04-18 16:48:30 +01:00 |
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Jonathan Naylor
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6d5b864cba
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Start the Goertzel development.
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2020-04-18 16:07:52 +01:00 |
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Jonathan Naylor
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c8a450b00d
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Ensure all timers are stopped when we leave FM mode.
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2020-04-18 15:51:49 +01:00 |
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Jonathan Naylor
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61ccd79c5f
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Set up the FM mode pins, partially.
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2020-04-18 14:31:21 +01:00 |
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Jonathan Naylor
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c55002534e
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Rename the Goertzel class to CTCSSRX.
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2020-04-18 13:55:34 +01:00 |
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Jonathan Naylor
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8ca756ec22
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Simplify the FM arguments.
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2020-04-18 13:47:41 +01:00 |
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Jonathan Naylor
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d1c106b3b8
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Add state machine debugging messages.
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2020-04-17 18:53:28 +01:00 |
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Jonathan Naylor
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564260b2f1
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Add the main audio filter.
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2020-04-17 18:45:42 +01:00 |
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Jonathan Naylor
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4a85122483
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CTCSS tones are added to the audio, not replacing it.
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2020-04-17 14:11:42 +01:00 |
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Jonathan Naylor
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bc889f3d26
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Handle some extra edge cases.
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2020-04-17 13:11:21 +01:00 |
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Jonathan Naylor
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95e76f387c
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Complete the CW keyer.
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2020-04-16 21:15:15 +01:00 |
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Jonathan Naylor
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4a5f985d02
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More efficient CTCSS tone generation.
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2020-04-16 14:27:33 +01:00 |
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