Fix showing graph

tcd1304_viewer/WIP/__main__.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+
+import numpy as np
+import serial
+import struct
+import sys
+
+from tcd1304_viewer.viewer import Viewer
+
+viewer = Viewer()
+sh = 84 * 20
+icg = 84 * 1000 * 200
+cfg = [sh, icg]
+
+if len(sys.argv) > 2:
+    cfg = [int(i) for i in sys.argv[1:]]
+
+msg = struct.pack("<HBIIIx", 0x1304, 0, 8, *cfg)
+
+# viewer.show()
+
+# Open the serial port
+print("Opening serial")
+ser = serial.Serial('/dev/ttyUSB0', baudrate=2457600)
+
+ser.write(msg)
+
+# Now read and print data from the serial port forever
+while True:
+    # viewer.pause()
+    m = ser.read(1)[0] << 8
+
+    while m != 0x1304:
+        m >>= 8
+        m |= ser.read(1)[0] << 8
+
+    t, l = struct.unpack("<BI", ser.read(5))
+    c = ser.read(l)
+    print(f"msg t={t:#02x}, l={l}")
+
+    if t == 0x00:
+        print(f"content {c}")
+    if t == 0x01:
+        data = []
+
+        while len(c):
+            d, c = c[:2], c[2:]
+            (r, ) = struct.unpack("<H", d)
+            data.append(r * 3.3 / 4096)
+
+        viewer.update_data(np.array(data) * -1 + 3.3)