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Add extra fs/4 hops to overlap band-edges and DC spikes

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This commit is contained in:
Mike Walters
2016-07-30 14:56:15 +01:00
parent 7935fc973f
commit b6a7972916
1 changed files with 8 additions and 1 deletions
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9
firmware/hackrf_usb/usb_api_sweep.c
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@ -36,6 +36,7 @@
volatile bool start_sweep_mode = false; volatile bool start_sweep_mode = false;
static uint64_t sweep_freq; static uint64_t sweep_freq;
bool odd = true;
struct init_sweep_params { struct init_sweep_params {
uint16_t min_freq_mhz; uint16_t min_freq_mhz;
@ -104,8 +105,14 @@ void sweep_mode(void) {
} }
if (blocks_queued > 2) { if (blocks_queued > 2) {
sweep_freq += sweep_params.step_freq_mhz; if (odd)
sweep_freq += sweep_params.step_freq_mhz / 4;
else
sweep_freq += 3 * (sweep_params.step_freq_mhz / 4);
odd = !odd;
if (sweep_freq > sweep_params.max_freq_mhz) { if (sweep_freq > sweep_params.max_freq_mhz) {
odd = true;
sweep_freq = sweep_params.min_freq_mhz; sweep_freq = sweep_params.min_freq_mhz;
} }
set_freq(sweep_freq*FREQ_GRANULARITY); set_freq(sweep_freq*FREQ_GRANULARITY);