From d9b26c5ffa8d75e32e32fd89598b11387b43a769 Mon Sep 17 00:00:00 2001
From: Mike Walters <mike@flomp.net>
Date: Sat, 30 Jul 2016 06:24:57 +0100
Subject: [PATCH] Smaller FFT size

---
 host/hackrf-tools/src/hackrf_sweep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/host/hackrf-tools/src/hackrf_sweep.c b/host/hackrf-tools/src/hackrf_sweep.c
index 2e76696b..623c1366 100644
--- a/host/hackrf-tools/src/hackrf_sweep.c
+++ b/host/hackrf-tools/src/hackrf_sweep.c
@@ -310,7 +310,7 @@ int main(int argc, char** argv) {
 		}
 	}
 	
-	fftSize = 2048;
+	fftSize = 32;
     fftwIn = (fftwf_complex*)fftwf_malloc(sizeof(fftwf_complex) * fftSize);
     fftwOut = (fftwf_complex*)fftwf_malloc(sizeof(fftwf_complex) * fftSize);
     fftwPlan = fftwf_plan_dft_1d(fftSize, fftwIn, fftwOut, FFTW_FORWARD, FFTW_MEASURE);