Fix showing graph

tcd1304_viewer/WIP/__main__.py

@@ -8,22 +8,26 @@ import sys
 from tcd1304_viewer.viewer import Viewer
 
 viewer = Viewer()
-cfg = [1680, 8400000]
+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("<HBII", 0x1304, 0, *cfg)
+msg = struct.pack("<HBIIIx", 0x1304, 0, 8, *cfg)
 
-viewer.show()
+# viewer.show()
 
 # Open the serial port
-ser = serial.Serial('/dev/serial0', baudrate=921600)
+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:
@@ -37,11 +41,11 @@ while True:
     if t == 0x00:
         print(f"content {c}")
     if t == 0x01:
-        data = np.array()
+        data = []
 
         while len(c):
             d, c = c[:2], c[2:]
             (r, ) = struct.unpack("<H", d)
             data.append(r * 3.3 / 4096)
 
-        viewer.update_data(data)
+        viewer.update_data(np.array(data) * -1 + 3.3)

tcd1304_viewer/viewer.py

@@ -9,11 +9,20 @@ class Viewer:
 
         plt.xlabel("Pixel")
         plt.ylabel("Tension (V)")
-        plt.legend()
+        # plt.legend()
+        plt.ylim(0, 3.4)
 
         x = np.arange(1, len(data) + 1)
 
         plt.plot(x, data, label="Intensity")
+        # plt.draw()
+
+        self.show()
+        self.pause()
 
     def show(self) -> None:
-        plt.show()
+        plt.ion()
+        plt.show(block=False)
+
+    def pause(self, secs: float = 0.001) -> None:
+        plt.pause(secs)