lili/amodem
1
0
Fork 0
mirror of https://github.com/romanz/amodem.git synced 2026-03-24 03:11:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

calib: pep8

Browse Source
This commit is contained in:
Roman Zeyde
2014-10-14 19:35:23 +03:00
parent 1196c2c25e
commit 4248a0f08a
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
amodem/calib.py
View File

@@ -9,9 +9,9 @@ from . import config
from . import wave from . import wave
CALIBRATION_SYMBOLS = int(1.0 * config.Fs) CALIBRATION_SYMBOLS = int(1.0 * config.Fs)
ALLOWED_EXCEPTIONS = (IOError, KeyboardInterrupt) ALLOWED_EXCEPTIONS = (IOError, KeyboardInterrupt)
def send(wave_play=wave.play): def send(wave_play=wave.play):
t = np.arange(0, CALIBRATION_SYMBOLS) * config.Ts t = np.arange(0, CALIBRATION_SYMBOLS) * config.Ts
signal = [np.sin(2 * np.pi * f * t) for f in config.frequencies] signal = [np.sin(2 * np.pi * f * t) for f in config.frequencies]
@@ -30,6 +30,7 @@ def send(wave_play=wave.play):
FRAME_LENGTH = 100 * config.Nsym FRAME_LENGTH = 100 * config.Nsym
def recorder(process): def recorder(process):
frame_size = int(wave.bytes_per_sample * FRAME_LENGTH) frame_size = int(wave.bytes_per_sample * FRAME_LENGTH)
fd = process.stdout fd = process.stdout
@@ -46,6 +47,7 @@ def recorder(process):
finally: finally:
process.kill() process.kill()
def recv(wave_record=wave.record, log=sys.stdout.write): def recv(wave_record=wave.record, log=sys.stdout.write):
t = np.arange(0, FRAME_LENGTH) * config.Ts t = np.arange(0, FRAME_LENGTH) * config.Ts
carriers = [np.exp(2j * np.pi * f * t) for f in config.frequencies] carriers = [np.exp(2j * np.pi * f * t) for f in config.frequencies]