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個人情報を消しました．
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@@ -15,128 +15,7 @@
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##プログラム
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```python3.6
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import lora
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import ast
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import time
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import struct
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import sys
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import ambient
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# (bw, sf, timeout)
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mode = [
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(3, 12, 5), (3, 11, 5), (3, 10, 4), (3, 9, 3), (3, 8, 2), (3, 7, 2),
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(4, 12, 5), (4, 11, 4), (4, 10, 3), (4, 9, 3), (4, 8, 2), (4, 7, 2),
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(5, 12, 4), (5, 11, 3), (5, 10, 2), (5, 9, 2), (5, 8, 2), (5, 7, 2),
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(6, 12, 3), (6, 11, 3), (6, 10, 2), (6, 9, 2), (6, 8, 2), (6, 7, 2)
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]
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channelId1 = 37537
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writeKey1 = '17eb678e47248e04'
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channelId2 = 37538
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writeKey2 = 'c1ebd40ef25434f2'
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channelId3 = 37539
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writeKey3 = '2e4b2507527c6e1f'
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channelId4 = 37540
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writeKey4 = '662fed41f01a2148'
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am1 = ambient.Ambient(channelId1, writeKey1)
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am2 = ambient.Ambient(channelId2, writeKey2)
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am3 = ambient.Ambient(channelId3, writeKey3)
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am4 = ambient.Ambient(channelId4, writeKey4)
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lr = lora.LoRa()
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def printable(l):
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x = struct.unpack(str(len(l)) + 'b', l)
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y = ''
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for i in range(len(x)):
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if x[i] >= 0:
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y = y + chr(x[i])
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return y
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def sendcmd(cmd):
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# print(cmd)
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lr.write(cmd)
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t = time.time()
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while (True):
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if (time.time() - t) > 5:
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print('panic: %s' % cmd)
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exit()
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line = lr.readline()
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if 'OK' in printable(line):
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# print(line)
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return True
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elif 'NG' in printable(line):
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# print(line)
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return False
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def setMode(bw, sf):
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lr.write('config\r\n')
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lr.s.flush()
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time.sleep(0.2)
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lr.reset()
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time.sleep(1.5)
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line = lr.readline()
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while not ('Mode' in printable(line)):
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line = lr.readline()
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if len(line) > 0:
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print(line)
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sendcmd('2\r\n')
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sendcmd('bw %d\r\n' % bw)
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sendcmd('sf %d\r\n' % sf)
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sendcmd('q 2\r\n')
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sendcmd('w\r\n')
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lr.reset()
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print('LoRa module set to new mode')
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time.sleep(1)
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sys.stdout.flush()
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while (True):
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rssi = [None] * len(mode)
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latlng = ()
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for i in range(len(mode)):
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print('setMode(bw: %d, sf: %d)' % (mode[i][0], mode[i][1]))
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setMode(mode[i][0], mode[i][1])
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t = None if i == 0 else mode[i][2]
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timeout = False
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start = time.time()
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while (True):
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while (True):
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line = lr.readline(t)
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# print(line)
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# sys.stdout.flush()
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if len(line) == 0: # TIMEOUT
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timeout = True
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break
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if len(line) >= 14: # 'rssi(4bytes),pan id(4bytes),src id(4bytes),\r\n'で14バイト
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break
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if timeout == True:
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rssi[i] = None
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print('TIMEOUT')
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break;
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data = lr.parse(line) # 'rssi(4bytes),pan id(4bytes),src id(4bytes),laglng=(12バイト,12バイト)\r\n', ペイロード34バイト
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print(data)
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if 'loc=' in data[3]:
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loc = ast.literal_eval(data[3].split('=')[1])
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rssi[i] = data[0]
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latlng = loc
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s = mode[i][2] - (time.time() - start)
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# print('sleep: ' + str(s))
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if i != 0 and s > 0:
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time.sleep(s)
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break
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print(rssi)
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print(latlng)
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sys.stdout.flush()
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am1.send({'d1': rssi[5], 'd2': rssi[4], 'd3': rssi[3], 'd4': rssi[2], 'd5': rssi[1], 'd6': rssi[0], 'lat': latlng[0], 'lng': latlng[1]})
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am2.send({'d1': rssi[11], 'd2': rssi[10], 'd3': rssi[9], 'd4': rssi[8], 'd5': rssi[7], 'd6': rssi[6], 'lat': latlng[0], 'lng': latlng[1]})
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am3.send({'d1': rssi[17], 'd2': rssi[16], 'd3': rssi[15], 'd4': rssi[14], 'd5': rssi[13], 'd6': rssi[12], 'lat': latlng[0], 'lng': latlng[1]})
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am4.send({'d1': rssi[23], 'd2': rssi[22], 'd3': rssi[21], 'd4': rssi[20], 'd5': rssi[19], 'd6': rssi[18], 'lat': latlng[0], 'lng': latlng[1]})
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```
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