commit f092b18b6d5976823ed5750aeb340c902d4ffa45
Author: Daniel P. <daniel@steew.eu>
Date: Sun Nov 09 23:13:11 2025 +0000
add octave plot for live sensor data
diff --git a/fw/octave/plot.m b/fw/octave/plot.m
new file mode 100644
index 0000000..f57bda2
--- /dev/null
+++ b/fw/octave/plot.m
@@ -00 +147 @@
+pkg load matgeom
+pkg load instrument-control
+
+tmtry_serial = serial("/dev/ttyUSB0", 9600);
+srl_flush(tmtry_serial);
+
+center = [0 0 0];
+% specify lengths (x y z)
+sizes = [4 2 1];
+% specify yaw pitch and roll
+ypr = [0 0 0];
+
+figure;
+view (3);
+axis equal;
+hold off;
+
+x = [1 0 0];
+y = [0 1 0];
+z = [0 0 1];
+
+while true
+ data = srl_read(tmtry_serial, 12);
+
+ ## convert [u8; 4] array to float
+ ## y = swapbytes (typecast(uint8(data(1:4)), "single"))
+ ## p = swapbytes (typecast(uint8(data(5:8)), "single"))
+ ## r = swapbytes (typecast(uint8(data(9:12)), "single"))
+ y = typecast(uint8(data(1:4)), "single");
+ p = typecast(uint8(data(5:8)), "single");
+ r = typecast(uint8(data(9:12)), "single")
+
+ ## rotate(c, x, r);
+ ## rotate(c, y, p);
+ ## rotate(c, z ,y);
+ ypr = [y p r];
+ clf
+ drawCuboid ([center sizes ypr]);
+ view (3);
+ ## axis([0 5 0 5]);
+ axis equal;
+ drawnow;
+
+ ## pause(0.5);
+end
+
+close
