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annotate service/arduinoNode/write_arduino_code.py @ 748:6d84cd3eb277
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Ignore-this: 912ae9ed9ffe9270445837f9a7308b5
| author | drewp@bigasterisk.com |
|---|---|
| date | Thu, 13 Feb 2020 10:21:05 -0800 |
| parents | 3010238b94a0 |
| children |
| rev | line source |
|---|---|
| 229 | 1 import tempfile, subprocess, logging, os |
| 2 log = logging.getLogger('arduino_code') | |
| 3 | |
| 4 def writeMakefile(dev, tag, allLibs): | |
| 5 return ''' | |
| 6 BOARD_TAG = %(tag)s | |
| 7 USER_LIB_PATH := %(libs)s | |
| 8 ARDUINO_LIBS = %(arduinoLibs)s | |
| 9 MONITOR_PORT = %(dev)s | |
| 10 | |
| 11 include /usr/share/arduino/Arduino.mk | |
| 12 ''' % { | |
| 13 'dev': dev, | |
| 14 'tag': tag, | |
| 15 'libs': os.path.abspath('arduino-libraries'), | |
| 16 'arduinoLibs': ' '.join(allLibs), | |
| 17 } | |
| 18 | |
| 19 def writeCode(baudrate, devs, devCommandNum): | |
| 20 generated = { | |
| 21 'baudrate': baudrate, | |
| 22 'includes': '', | |
| 23 'global': '', | |
| 24 'setups': '', | |
| 25 'polls': '', | |
| 26 'idles': '', | |
| 27 'actions': '', | |
| 28 } | |
| 29 for attr in ['includes', 'global', 'setups', 'polls', 'idles', | |
| 30 'actions']: | |
| 31 for dev in devs: | |
| 32 if attr == 'includes': | |
| 33 gen = '\n'.join('#include "%s"\n' % inc | |
| 34 for inc in dev.generateIncludes()) | |
| 35 elif attr == 'global': gen = dev.generateGlobalCode() | |
| 36 elif attr == 'setups': gen = dev.generateSetupCode() | |
| 37 elif attr == 'polls': gen = dev.generatePollCode() | |
| 38 elif attr == 'idles': gen = dev.generateIdleCode() | |
| 39 elif attr == 'actions': | |
| 40 code = dev.generateActionCode() | |
| 41 if code: | |
| 42 gen = '''else if (cmd == %(cmdNum)s) { | |
|
335
3010238b94a0
rgb strip animation support in arduinoNode
drewp@bigasterisk.com
parents:
229
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43 { |
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3010238b94a0
rgb strip animation support in arduinoNode
drewp@bigasterisk.com
parents:
229
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changeset
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44 %(code)s |
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3010238b94a0
rgb strip animation support in arduinoNode
drewp@bigasterisk.com
parents:
229
diff
changeset
|
45 } |
| 229 | 46 Serial.write('k'); |
| 47 } | |
| 48 ''' % dict(cmdNum=devCommandNum[dev.uri], | |
| 49 code=code) | |
| 50 else: | |
| 51 gen = '' | |
| 52 else: | |
| 53 raise NotImplementedError | |
| 54 | |
| 55 if gen: | |
| 56 generated[attr] += '// for %s\n%s\n' % (dev.uri, gen.strip()) | |
| 57 | |
| 58 code = ''' | |
| 59 %(includes)s | |
| 60 | |
| 61 %(global)s | |
| 62 byte frame=1; | |
| 63 unsigned long lastFrame=0; | |
| 64 | |
| 65 void setup() { | |
| 66 Serial.begin(%(baudrate)d); | |
| 67 Serial.flush(); | |
| 68 %(setups)s | |
| 69 } | |
| 70 | |
| 71 void idle() { | |
| 72 // this slowdown is to spend somewhat less time PWMing, to reduce | |
| 73 // leaking from on channels to off ones (my shift register has no | |
| 74 // latching) | |
| 75 if (micros() < lastFrame + 80) { | |
| 76 return; | |
| 77 } | |
| 78 lastFrame = micros(); | |
| 79 frame++; | |
| 80 %(idles)s | |
| 81 } | |
| 82 | |
| 83 void loop() { | |
| 84 byte head, cmd; | |
| 85 idle(); | |
| 86 if (Serial.available() >= 2) { | |
| 87 head = Serial.read(); | |
| 88 if (head != 0x60) { | |
| 89 Serial.flush(); | |
| 90 return; | |
| 91 } | |
| 92 cmd = Serial.read(); | |
| 93 if (cmd == 0x00) { // poll | |
| 94 %(polls)s | |
| 95 Serial.write('x'); | |
| 96 } else if (cmd == 0x01) { // get code checksum | |
| 97 Serial.write("CODE_CHECKSUM"); | |
| 98 } | |
| 99 %(actions)s | |
| 100 } | |
| 101 } | |
| 102 ''' % generated | |
| 103 return code | |
| 104 | |
| 105 def indent(code): | |
| 106 try: | |
| 107 with tempfile.SpooledTemporaryFile() as codeFile: | |
| 108 codeFile.write(code) | |
| 109 codeFile.seek(0) | |
| 110 code = subprocess.check_output([ | |
| 111 'indent', | |
| 112 '-linux', | |
| 113 '-fc1', # ok to indent comments | |
| 114 '-i4', # 4-space indent | |
| 115 '-sob' # swallow blanks (not working) | |
| 116 ], stdin=codeFile) | |
| 117 except OSError as e: | |
| 118 log.warn("indent failed (%r)", e) | |
| 119 return code | |
| 120 |