diff options
Diffstat (limited to 'fw/test.py')
| -rwxr-xr-x | fw/test.py | 38 |
1 files changed, 34 insertions, 4 deletions
@@ -1,5 +1,6 @@ #!/usr/bin/env python3 import serial +import struct from itertools import takewhile def chunked(data, chunk_size): @@ -50,10 +51,12 @@ def unstuff(data): def receive_frame(ser): return unstuff(read_frame(ser)) +def mac_frame(mac): + return frame_packet(struct.pack('<I', mac)) + def send_framebuffer(ser, mac, frame): formatted = format_packet(frame) - mac_packet = struct.pack('<I', mac) - framed = frame_packet(mac_packet) + frame_packet(formatted[:162]) + frame_packet(formatted[162:]) + framed = mac_frame(mac) + frame_packet(formatted[:162]) + frame_packet(formatted[162:]) ser.write(framed) def discover_macs(ser, count=20): @@ -72,10 +75,32 @@ def discover_macs(ser, count=20): print('Invalid frame of length {}:'.format(len(frame)), frame) time.sleep(0.05) +def parse_status_frame(frame): + print('frame len:', len(frame)) + ( firmware_version, + hardware_version, + digit_rows, + digit_cols, + uptime_s, + framerate_millifps, + uart_overruns, + frame_overruns, + invalid_frames, + vcc_mv, + temp_celsius, + nbits ) = struct.unpack('<4B5IhhB', frame) + del frame + return locals() + +def fetch_status(ser, mac): + ser.flushInput() + ser.write(mac_frame(mac)) + ser.write(frame_packet(b'\x01')) + return parse_status_frame(receive_frame(ser)) + if __name__ == '__main__': import argparse import time - import struct from binascii import hexlify parser = argparse.ArgumentParser() @@ -95,10 +120,15 @@ if __name__ == '__main__': #frames = [red, black]*5 #frames = [ x for l in [[([0]*i+[255]+[0]*(7-i))*32]*2 for i in range(8)] for x in l ] found_macs = discover_macs(ser, 1) + mac, = found_macs + + import pprint + while True: + pprint.pprint(fetch_status(ser, mac)) + time.sleep(0.02) while True: for i, frame in enumerate(frames): - mac, = found_macs send_framebuffer(ser, mac, frame) print('sending', i, len(frame)) time.sleep(0.02) |