Diff: robotic_fish_6/data_stream_format.txt

Revision:

0:c3a329a5b05d

diff -r 000000000000 -r c3a329a5b05d robotic_fish_6/data_stream_format.txt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/robotic_fish_6/data_stream_format.txt	Tue Jan 14 19:17:05 2020 +0000
@@ -0,0 +1,31 @@
+Day 1
+uint32: goertzel 36k (0)
+uint32: goertzel 30k (1)
+uint16: signal level (average over last buffer) 
+uint8 : codeword (21) in most significant 5 bits, gain index in least significant 3 bits
+uint16: fish state event in upper 5 bits, fish state in lower 11 bits
+
+Day 2
+3 bytes: goertzel 36k (0) >> 8
+3 bytes: goertzel 30k (1) >> 8
+2 bytes: (signal level >> 2) in lower 11 bits, codeword (21) in upper 5 bits
+2 bytes: fish state event in upper 5 bits, fish state in lower 11 bits
+
+
+fish state events:
+  0: no event
+  1: bad word timing
+  2: bad word timing
+  3: bad word hamming
+  4: timeout
+  5: good acoustic word
+  6: button: yaw left
+  7: button: yaw right
+  8: button: faster
+  9: button: slower
+ 10: button: pitch up
+ 11: button: pitch down
+ 12: button: shutdown pi
+ 13: button: reset mbed
+ 14: button: auto mode (toggle)
+ 15: button: invalid combination
\ No newline at end of file