Fix flow examples of Sense HAT simulator nodes (#991)
* Add indents to flow examples of Sense HAT simulator * Fix flow examples of Sense HAT simulator nodes
This commit is contained in:
Kazuhito Yokoi
GitHub
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612ff93161
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72f7f5179a
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[{"id":"8b346a30.651a88","type":"rpi-sensehat out","z":"7756eff1.08d0a","name":"","x":530,"y":220,"wires":[]},{"id":"c2e7a15d.237bd","type":"function","z":"7756eff1.08d0a","name":"Simple graphical clock","func":"\n// array to hold \"random\" pixels\nvar ranNums = [];\n\n// create a non-overlapping array of random numbers 0-8\nfunction rerand() {\n var nums = [0,1,2,3,4,5,6,7,8];\n var i = nums.length;\n var j;\n ranNums = [];\n while (i--) {\n j = Math.floor(Math.random() * (i+1));\n ranNums.push(nums[j]);\n nums.splice(j,1);\n }\n}\n\n// Get the hours and minutes and split into tens and units\nvar d = new Date();\nvar s = d.getSeconds();\nvar su = s%4;\nif (su === 0) {\n var h = d.getHours();\n var m = d.getMinutes();\n var hu = h%10;\n h = parseInt(h/10);\n var mu = m%10;\n m = parseInt(m/10);\n \n // Do the tens of hours (red)\n rerand();\n node.send({payload:\"1-3,1-3,0,0,0\"});\n for (var i=0; i<h; i++) {\n node.send({payload:(1+ranNums[i]%3)+\",\"+(1+parseInt(ranNums[i]/3))+\",255,0,0\"});\n }\n \n // Do the units of hours (green)\n rerand();\n node.send({payload:\"4-6,1-3,0,0,0\"});\n for (var i=0; i<hu; i++) {\n node.send({payload:(4+ranNums[i]%3)+\",\"+(1+parseInt(ranNums[i]/3))+\",0,255,0\"});\n }\n \n // Do the tens of minutes (yellow)\n rerand();\n node.send({payload:\"1-3,4-6,0,0,0\"});\n for (var i=0; i<m; i++) {\n node.send({payload:(1+ranNums[i]%3)+\",\"+(4+parseInt(ranNums[i]/3))+\",255,255,0\"});\n }\n \n // Do the unit of minutes (blue)\n rerand();\n node.send({payload:\"4-6,4-6,0,0,0\"});\n for (var i=0; i<mu; i++) {\n node.send({payload:(4+ranNums[i]%3)+\",\"+(4+parseInt(ranNums[i]/3))+\",0,0,255\"});\n }\n \n}\nnode.send({payload:\"0,0,\"+(su===0?\"purple\":\"off\")+\",7,0,\"+(su===1?\"purple\":\"off\")+\",7,7,\"+(su===2?\"purple\":\"off\")+\",0,7,\"+(su===3?\"purple\":\"off\")})\n\n\n// nothing left to do\nreturn null;","outputs":1,"noerr":0,"x":320,"y":220,"wires":[["8b346a30.651a88"]]},{"id":"fc3808df.6cbcf8","type":"comment","z":"7756eff1.08d0a","name":"Simple graphical clock for Sense Hat","info":"Generates a graphical clock, showing hours and minutes. \n\nHours are shown by the red and green pixels, minutes\nare the yellow and blue pixels.\n\nUses the local time of the Pi - you may need to set your local\ntimezone using\n\n sudo dpkg-reconfigure tzdata\n","x":210,"y":180,"wires":[]},{"id":"f33ea1a7.27216","type":"inject","z":"7756eff1.08d0a","name":"","topic":"","payload":"","payloadType":"date","repeat":"1","crontab":"","once":true,"x":120,"y":220,"wires":[["c2e7a15d.237bd"]]}]
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[
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{
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"id": "8b346a30.651a88",
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"type": "rpi-sensehatsim out",
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"z": "7756eff1.08d0a",
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"name": "",
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"x": 530,
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"y": 220,
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"wires": []
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},
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{
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"id": "c2e7a15d.237bd",
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"type": "function",
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"z": "7756eff1.08d0a",
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"name": "Simple graphical clock",
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"func": "\n// array to hold \"random\" pixels\nvar ranNums = [];\n\n// create a non-overlapping array of random numbers 0-8\nfunction rerand() {\n var nums = [0,1,2,3,4,5,6,7,8];\n var i = nums.length;\n var j;\n ranNums = [];\n while (i--) {\n j = Math.floor(Math.random() * (i+1));\n ranNums.push(nums[j]);\n nums.splice(j,1);\n }\n}\n\n// Get the hours and minutes and split into tens and units\nvar d = new Date();\nvar s = d.getSeconds();\nvar su = s%4;\nif (su === 0) {\n var h = d.getHours();\n var m = d.getMinutes();\n var hu = h%10;\n h = parseInt(h/10);\n var mu = m%10;\n m = parseInt(m/10);\n \n // Do the tens of hours (red)\n rerand();\n node.send({payload:\"1-3,1-3,0,0,0\"});\n for (var i=0; i<h; i++) {\n node.send({payload:(1+ranNums[i]%3)+\",\"+(1+parseInt(ranNums[i]/3))+\",255,0,0\"});\n }\n \n // Do the units of hours (green)\n rerand();\n node.send({payload:\"4-6,1-3,0,0,0\"});\n for (var i=0; i<hu; i++) {\n node.send({payload:(4+ranNums[i]%3)+\",\"+(1+parseInt(ranNums[i]/3))+\",0,255,0\"});\n }\n \n // Do the tens of minutes (yellow)\n rerand();\n node.send({payload:\"1-3,4-6,0,0,0\"});\n for (var i=0; i<m; i++) {\n node.send({payload:(1+ranNums[i]%3)+\",\"+(4+parseInt(ranNums[i]/3))+\",255,255,0\"});\n }\n \n // Do the unit of minutes (blue)\n rerand();\n node.send({payload:\"4-6,4-6,0,0,0\"});\n for (var i=0; i<mu; i++) {\n node.send({payload:(4+ranNums[i]%3)+\",\"+(4+parseInt(ranNums[i]/3))+\",0,0,255\"});\n }\n \n}\nnode.send({payload:\"0,0,\"+(su===0?\"purple\":\"off\")+\",7,0,\"+(su===1?\"purple\":\"off\")+\",7,7,\"+(su===2?\"purple\":\"off\")+\",0,7,\"+(su===3?\"purple\":\"off\")})\n\n\n// nothing left to do\nreturn null;",
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"outputs": 1,
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"noerr": 0,
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"x": 320,
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"y": 220,
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"wires": [
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[
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"8b346a30.651a88"
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]
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]
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},
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{
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"id": "fc3808df.6cbcf8",
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"type": "comment",
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"z": "7756eff1.08d0a",
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"name": "Simple graphical clock for Sense Hat",
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"info": "Generates a graphical clock, showing hours and minutes. \n\nHours are shown by the red and green pixels, minutes\nare the yellow and blue pixels.\n\nUses the local time of the Pi - you may need to set your local\ntimezone using\n\n sudo dpkg-reconfigure tzdata\n",
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"x": 210,
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"y": 180,
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"wires": []
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},
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{
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"id": "f33ea1a7.27216",
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"type": "inject",
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"z": "7756eff1.08d0a",
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"name": "",
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"topic": "",
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"payload": "",
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"payloadType": "date",
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"repeat": "1",
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"crontab": "",
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"once": true,
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"x": 120,
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"y": 220,
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"wires": [
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[
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"c2e7a15d.237bd"
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]
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]
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}
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]
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@ -1 +1,53 @@
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[{"id":"104a54e7.6656cb","type":"rpi-sensehat out","z":"7756eff1.08d0a","name":"","x":470,"y":300,"wires":[]},{"id":"a3786fbb.b3ff9","type":"rpi-sensehat in","z":"7756eff1.08d0a","name":"","motion":true,"env":false,"stick":false,"x":120,"y":300,"wires":[["931798d.9640d68"]]},{"id":"931798d.9640d68","type":"function","z":"7756eff1.08d0a","name":"Compass","func":"// Based on the Compass example provided by\n// the Sense HAT python library\n// https://github.com/RPi-Distro/python-sense-hat/tree/master/examples\n\nvar led_loop = [4, 5, 6, 7, 15, 23, 31, 39, 47, 55, 63, 62, 61, 60, 59, 58, 57, 56, 48, 40, 32, 24, 16, 8, 0, 1, 2, 3];\nvar led_degree_ratio = led_loop.length / 360.0;\nvar dir = (360 - msg.payload.compass)%360;\n\nfunction getXY(dir) {\n var led_index = Math.floor(led_degree_ratio * (dir%360));\n var offset = led_loop[led_index];\n return [offset % 8,Math.floor(offset / 8)];\n}\n\nvar previous = context.get('previous');\nmsg.payload = '';\n\nvar position = getXY(dir);\nif (!previous || position[0] != previous[0][0] || position[1] != previous[0][1]) {\n if (previous) {\n msg.payload = previous[0][0]+\",\"+previous[0][1]+\",off,\"+\n previous[1][0]+\",\"+previous[1][1]+\",off,\";\n } else {\n msg.payload = \"*,*,off,\";\n }\n previous = [\n position,\n getXY(dir+180)\n ];\n msg.payload += previous[0][0]+\",\"+previous[0][1]+\",red,\"+\n previous[1][0]+\",\"+previous[1][1]+\",white\"\n \n context.set('previous',previous);\n return msg;\n}\nreturn null;\n\n","outputs":1,"noerr":0,"x":280,"y":300,"wires":[["104a54e7.6656cb"]]},{"id":"434680a8.c2e54","type":"comment","z":"7756eff1.08d0a","name":"Simple compass for Sense Hat","info":"Generates a compass, showing north (red) and south (white).\n\nBased on the python example provided with the Sense Hat: https://github.com/RPi-Distro/python-sense-hat/tree/master/examples\n\nThe accuracy of the compass will depend on callibrating the Sense Hat\ninternal compass. Search the Sense Hat forums for a guide on how to\ndo this.\n","x":190,"y":260,"wires":[]}]
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[
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{
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"id": "104a54e7.6656cb",
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"type": "rpi-sensehatsim out",
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"z": "7756eff1.08d0a",
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"name": "",
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"x": 470,
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"y": 300,
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"wires": []
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},
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{
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"id": "a3786fbb.b3ff9",
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"type": "rpi-sensehatsim in",
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"z": "7756eff1.08d0a",
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"name": "",
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"motion": true,
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"env": false,
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"stick": false,
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"x": 120,
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"y": 300,
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"wires": [
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[
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"931798d.9640d68"
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]
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]
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},
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{
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"id": "931798d.9640d68",
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"type": "function",
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"z": "7756eff1.08d0a",
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"name": "Compass",
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"func": "// Based on the Compass example provided by\n// the Sense HAT python library\n// https://github.com/RPi-Distro/python-sense-hat/tree/master/examples\n\nvar led_loop = [4, 5, 6, 7, 15, 23, 31, 39, 47, 55, 63, 62, 61, 60, 59, 58, 57, 56, 48, 40, 32, 24, 16, 8, 0, 1, 2, 3];\nvar led_degree_ratio = led_loop.length / 360.0;\nvar dir = (360 - msg.payload.compass)%360;\n\nfunction getXY(dir) {\n var led_index = Math.floor(led_degree_ratio * (dir%360));\n var offset = led_loop[led_index];\n return [offset % 8,Math.floor(offset / 8)];\n}\n\nvar previous = context.get('previous');\nmsg.payload = '';\n\nvar position = getXY(dir);\nif (!previous || position[0] != previous[0][0] || position[1] != previous[0][1]) {\n if (previous) {\n msg.payload = previous[0][0]+\",\"+previous[0][1]+\",off,\"+\n previous[1][0]+\",\"+previous[1][1]+\",off,\";\n } else {\n msg.payload = \"*,*,off,\";\n }\n previous = [\n position,\n getXY(dir+180)\n ];\n msg.payload += previous[0][0]+\",\"+previous[0][1]+\",red,\"+\n previous[1][0]+\",\"+previous[1][1]+\",white\"\n \n context.set('previous',previous);\n return msg;\n}\nreturn null;\n\n",
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"outputs": 1,
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"noerr": 0,
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"x": 280,
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"y": 300,
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"wires": [
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[
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"104a54e7.6656cb"
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]
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]
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},
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{
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"id": "434680a8.c2e54",
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"type": "comment",
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"z": "7756eff1.08d0a",
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"name": "Simple compass for Sense Hat",
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"info": "Generates a compass, showing north (red) and south (white).\n\nBased on the python example provided with the Sense Hat: https://github.com/RPi-Distro/python-sense-hat/tree/master/examples\n\nThe accuracy of the compass will depend on callibrating the Sense Hat\ninternal compass. Search the Sense Hat forums for a guide on how to\ndo this.\n",
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"x": 190,
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"y": 260,
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"wires": []
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}
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]
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