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authorjaseg <git@jaseg.net>2018-05-20 15:54:03 +0200
committerjaseg <git@jaseg.net>2018-05-20 15:54:03 +0200
commitcba83e780a9350eb45eb1c2f09fc87f5d389e1ac (patch)
tree89232388812444e2f95242e2b49d68d0de510f1c /firmware/olsndot.py
parentf4d511afdb126de676914a74bf5143d913f62a4f (diff)
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Move documentation and simulation stuff to its own subdir
Diffstat (limited to 'firmware/olsndot.py')
-rw-r--r--firmware/olsndot.py126
1 files changed, 0 insertions, 126 deletions
diff --git a/firmware/olsndot.py b/firmware/olsndot.py
deleted file mode 100644
index 557226a..0000000
--- a/firmware/olsndot.py
+++ /dev/null
@@ -1,126 +0,0 @@
-#!/usr/bin/env python3
-
-import serial
-import struct
-from cobs import cobs
-from collections import namedtuple
-from enum import Enum
-import time
-
-EOP = b'\0'
-
-#def cobs_encode(data):
-# return b''.join(bytes([len(x)+1]) + x for x in data.split(EOP))
-#
-#def cobs_decode(data):
-# out = b''
-# while data:
-# n, *rest = data
-# out += b'\0' + bytes(rest[:n-1])
-# data = rest[n-1:]
-# return out[1:]
-
-def address_pkt(addr):
- return struct.pack('<I', addr)
-
-def framebuf_pkt(data):
- return struct.pack('<32I', data)
-
-class Driver:
- type_drivers = {}
-
- def __init__(self, port, devices=None, addrs=None, baudrate=500000, timeout=0.100):
- self._ser = serial.Serial(port, baudrate)
- self._ser.write(b'\0')
- self._ser.flushInput()
- self.timeout = timeout
- if addrs is not None:
- self.nodes = [ type_drivers[device_type](addr, self) for addr, device_type in addrs ]
- if devices is not None:
- for dev in devices:
- dev.driver = self
- self.nodes = devices
-
- def probe_devices(self):
- while True:
- self._ser.write(b'\x00')
- addr, device_type = self.recv_struct('IB', timeout=0.010)
- yield addr, device_type, self.type_drivers.get[device_type]
- time.sleep(0.010)
-
- def recv_struct(self, fmt, timeout=None):
- self._ser.timeout = self.timeout if timeout is None else timeout
- data = self._ser.read_until(b'\0')
- return struct.unpack('<'+fmt, cobs.decode(data[:-1]))
-
- def send_struct(self, fmt, *args):
- data = struct.pack('<'+fmt, *args)
- self._ser.write(cobs.encode(data)+EOP)
-
- @classmethod
- def register_device(drv_kls, device_type):
- def wrapper(dev_kls):
- drv_kls.type_drivers[device_type] = dev_kls
- return dev_kls
- return wrapper
-
-@Driver.register_device(device_type=0x01)
-class Olsndot:
- CMD_READ_STATUS = 0x01
-
- class ColorSpec(Enum):
- white = 0X00
- single_color = 0X01
- rgb = 0X02
- rgbw = 0X03
- cold_warm_white = 0X04
- wwa = 0x05
-
- def __init__(self, addr, driver=None):
- self.addr = addr
- self._driver = driver
-
- @property
- def driver(self):
- return self._driver
-
- @driver.setter
- def driver(self, driver):
- self._driver = driver
- self.fetch_status()
-
- def send_framebuf(self, data):
- self._driver.send_struct('I', self.addr)
- self._driver.send_struct('{}{}'.format(self.nchannels, self.channel_spec), *data)
-
- def send_cmd(self, cmd):
- self._driver.send_struct('I', self.addr)
- self._driver.send_struct('B', cmd)
-
- Status = namedtuple('Status',
- ['uptime_s', 'uart_overruns', 'frame_overruns', 'invalid_frames', 'vcc_mv', 'temp_celsius'])
- def fetch_status(self):
- self.send_cmd(Olsndot.CMD_READ_STATUS)
- (self.fw_ver, self.hw_ver,
- self.nbits, chspec, cs, self.nchannels,
- uptime_s,
- uart_overruns, frame_overruns, invalid_frames,
- vcc_mv, temp_celsius) = self._driver.recv_struct('BBBBBHIIIIHH')
- self.color_spec = Olsndot.ColorSpec(cs)
- self.channel_spec = chr(chspec)
- return Olsndot.Status(uptime_s, uart_overruns, frame_overruns, invalid_frames, vcc_mv, temp_celsius)
-
- def __str__(self):
- st = self.fetch_status()
- return '<Olsndot {}.{}@{} {}ch*{} up {}s vcc {:4.3}V temp {}C>'.format(
- self.fw_ver, self.hw_ver, self.addr, self.nchannels, self.channel_format,
- st.uptime_s, st.vcc_mv/1000, st.temp_celsius)
-
- @property
- def channel_format(self):
- return '{}{}'.format(self.color_spec.name, self.nbits)
-
-if __name__ == '__main__':
- d = Driver('/dev/serial/by-id/usb-FTDI_FT232R_USB_UART_A50285BI-if00-port0')
- for addr, tid, drv in d.probe_devices():
- print(addr, tid, drv)