diff options
| author | Andreas Eversberg <jolly@eversberg.eu> | 2016-06-20 17:16:46 +0200 |
|---|---|---|
| committer | Andreas Eversberg <jolly@eversberg.eu> | 2016-06-20 17:16:46 +0200 |
| commit | 86daa5a64a24312a0bd622d0c5415ef2b60c27bb (patch) | |
| tree | 3007299a2e6de85cf4b79f66f3ba67d04d5200df /src/amps/amps.h | |
| parent | 76f6285846ebca575f24ab916e048bd0dc84b489 (diff) | |
AMPS: Add option to use the BUSY/IDLE bit on FOCC
Diffstat (limited to 'src/amps/amps.h')
| -rw-r--r-- | src/amps/amps.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/amps/amps.h b/src/amps/amps.h index b067f70..a6b0302 100644 --- a/src/amps/amps.h +++ b/src/amps/amps.h @@ -31,7 +31,7 @@ enum fsk_rx_sync { FSK_SYNC_NEGATIVE, /* as above, but negative sync (high frequency deviation detected as low signal) */ }; -#define FSK_MAX_BITS 1032 /* maximum number of bits to process */ +#define FSK_MAX_BITS 1032 /* maximum number of bits to process (FVC with dotting+sync) */ typedef struct amps { sender_t sender; @@ -44,6 +44,7 @@ typedef struct amps { enum amps_chan_type chan_type; enum amps_state state; int page_retry; /* current number of paging (re)try */ + int channel_busy; /* indicate channel is busy while receiving */ /* system info */ amps_si si; @@ -60,6 +61,8 @@ typedef struct amps { double fsk_bitduration; /* duration of one bit in samples */ double fsk_bitstep; /* fraction of one bit each sample */ /* tx bits generation */ + char fsk_tx_frame[FSK_MAX_BITS + 1]; /* +1 because 0-termination */ + int fsk_tx_frame_pos; /* current position sending bits */ int16_t *fsk_tx_buffer; /* tx buffer for one data block */ int fsk_tx_buffer_size; /* size of tx buffer (in samples) */ int fsk_tx_buffer_length; /* usage of buffer (in samples) */ |