diff options
| -rwxr-xr-x | bin/edid_cycle.py | 53 | ||||
| -rw-r--r-- | data/edids/1280x1024.edid | bin | 0 -> 256 bytes | |||
| -rw-r--r-- | data/edids/1920x1080.edid | bin | 0 -> 256 bytes | |||
| -rw-r--r-- | data/edids/2560x1440.edid | bin | 0 -> 256 bytes |
4 files changed, 53 insertions, 0 deletions
diff --git a/bin/edid_cycle.py b/bin/edid_cycle.py new file mode 100755 index 0000000..7e3c97e --- /dev/null +++ b/bin/edid_cycle.py @@ -0,0 +1,53 @@ +#!/usr/bin/env python3 +""" +This program tests whether the system changes the resolution automatically +when supplied with a new EDID information. + +To run the test RaspberryPi equipped with a HDMI->CSI-2 bridge is needed. See +here for details: +https://docs.google.com/document/d/1kjgaazt2IMskn_HPjN7adXYx1O5zXc39DRayZ0PYh9Y + +The command-line argument for the program is the address of the RaspberryPi +Host (optionally with a username), e.g.: pi@192.168.1.100 +""" +import re +import subprocess +import sys +import time + + +def check_resolution(): + output = subprocess.check_output('xdpyinfo') + for line in output.decode(sys.stdout.encoding).splitlines(): + if 'dimensions' in line: + match = re.search('(\d+)x(\d+)\ pixels', line) + if match and len(match.groups()) == 2: + return '{}x{}'.format(*match.groups()) + + +def change_edid(host, edid_file): + with open(edid_file, 'rb') as f: + cmd = ['ssh', host, 'v4l2-ctl', '--set-edid=file=-,format=raw', + '--fix-edid-checksums'] + subprocess.check_output(cmd, input=f.read()) + + +def main(): + if len(sys.argv) != 2: + raise SystemExit('Usage: {} user@edid-host'.format(sys.argv[0])) + failed = False + for res in ['2560x1440', '1920x1080', '1280x1024']: + print('changing EDID to {}'.format(res)) + change_edid(sys.argv[1], '{}.edid'.format(res)) + time.sleep(1) + print('checking resolution... ', end='') + actual_res = check_resolution() + if actual_res != res: + print('FAIL, got {} instead'.format(actual_res)) + failed = True + else: + print('PASS') + return failed + +if __name__ == '__main__': + raise SystemExit(main()) diff --git a/data/edids/1280x1024.edid b/data/edids/1280x1024.edid Binary files differnew file mode 100644 index 0000000..057bfec --- /dev/null +++ b/data/edids/1280x1024.edid diff --git a/data/edids/1920x1080.edid b/data/edids/1920x1080.edid Binary files differnew file mode 100644 index 0000000..567437d --- /dev/null +++ b/data/edids/1920x1080.edid diff --git a/data/edids/2560x1440.edid b/data/edids/2560x1440.edid Binary files differnew file mode 100644 index 0000000..0fd106d --- /dev/null +++ b/data/edids/2560x1440.edid |