add brainduino test code

brainduino/Makefile

@@ -0,0 +1,4 @@
+default: run
+
+run:
+	pipenv run python3 main.py

brainduino/Pipfile

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+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+
+[packages]
+pyserial = "*"
+sanelogging = "*"
+
+[requires]
+python_version = "3.7"

brainduino/Pipfile.lock

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+{
+    "_meta": {
+        "hash": {
+            "sha256": "02979d2499db65e8d3d0573c25c28fd31d393240497d4f3ec8607dbba02ea1be"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "3.7"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {
+        "colorlog": {
+            "hashes": [
+                "sha256:3cf31b25cbc8f86ec01fef582ef3b840950dea414084ed19ab922c8b493f9b42",
+                "sha256:450f52ea2a2b6ebb308f034ea9a9b15cea51e65650593dca1da3eb792e4e4981"
+            ],
+            "version": "==4.0.2"
+        },
+        "pyserial": {
+            "hashes": [
+                "sha256:6e2d401fdee0eab996cf734e67773a0143b932772ca8b42451440cfed942c627",
+                "sha256:e0770fadba80c31013896c7e6ef703f72e7834965954a78e71a3049488d4d7d8"
+            ],
+            "index": "pypi",
+            "version": "==3.4"
+        },
+        "sanelogging": {
+            "hashes": [
+                "sha256:ae018de50f00ace45b34dbade66b511651cb1758a7c26e262841651b2dd6f2cf"
+            ],
+            "index": "pypi",
+            "version": "==1.0.1"
+        }
+    },
+    "develop": {}
+}

brainduino/main.py

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+#!/usr/bin/env python3
+import serial
+from sanelogging import log
+import binascii
+
+class Brainduino(object):
+    def __init__(self):
+        self.inbuffer = bytes()
+
+    def add_bytes(self,bytes):
+        self.inbuffer = self.inbuffer + bytes
+        if self.buffer_contains_line():
+            self.read_and_process_line_from_buffer()
+
+    def buffer_contains_line(self):
+        return self.inbuffer.find(b'\r') != -1
+
+    def process_line(self,line):
+        line = line.decode("UTF-8")
+        if len(line) != 16:
+            # this line is incomplete, skip
+            return
+        log.info("got line: " + line)
+        p = line.strip().split("\t")
+        print(binascii.unhexlify(p[0] + p[1]))
+        print(binascii.unhexlify(p[2] + p[3]))
+
+    def read_and_process_line_from_buffer(self):
+        i = self.inbuffer.find(b'\r')
+        if i < 1:
+            log.error("should not happen")
+            return
+        line = self.inbuffer[0:i+1]
+        self.inbuffer = self.inbuffer[i+1:]
+        self.process_line(line)
+
+def main():
+    e = Brainduino()
+
+    with serial.Serial(
+        '/dev/tty.Alpheratz-SPPDev',
+        115200,
+        timeout=1
+    ) as ser:
+        while True:
+            e.add_bytes(ser.read(16))
+
+
+if __name__ == "__main__":
+    main()