155 lines
4.6 KiB
JavaScript
155 lines
4.6 KiB
JavaScript
// Decode uplink function.
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//
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// Input is an object with the following fields:
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// - bytes = Byte array containing the uplink payload, e.g. [255, 230, 255, 0]
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// - fPort = Uplink fPort.
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// - variables = Object containing the configured device variables.
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//
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// Output must be an object with the following fields:
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// - data = Object representing the decoded payload.
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function decodeUplink(input) {
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var bytes=input.bytes;
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var data={
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//Work mode
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Work_mode:
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{
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"0":"IIC",
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"1":"Distance",
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"2":"3ADC",
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"3":"3DS18B20",
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"4":"Weight",
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"5":"Count"
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}[(bytes[6] & 0x7C)>>2],
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//Battery,units:V
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BatV:
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{
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"0": (bytes[0]<<8 | bytes[1])/1000,
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"1": (bytes[0]<<8 | bytes[1])/1000,
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"2": bytes[11]/10,
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"3": (bytes[0]<<8 | bytes[1])/1000,
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"4": (bytes[0]<<8 | bytes[1])/1000,
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"5": (bytes[0]<<8 | bytes[1])/1000,
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}[(bytes[6] & 0x7C)>>2] + 0.267,
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//DS18B20,PB3,units:â„?
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TempC1:
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{
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"0": ((bytes[2]<<24>>16 | bytes[3])/10).toFixed(2),
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"1": ((bytes[2]<<24>>16 | bytes[3])/10).toFixed(2),
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"3": ((bytes[2]<<24>>16 | bytes[3])/10).toFixed(2),
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"4": ((bytes[2]<<24>>16 | bytes[3])/10).toFixed(2),
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"5": ((bytes[2]<<24>>16 | bytes[3])/10).toFixed(2),
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}[(bytes[6] & 0x7C)>>2],
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//ADC Channel 0,PA0,units:V
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ADC_CH0V:
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{
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"0":(bytes[4]<<8 | bytes[5])/1000,
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"1":(bytes[4]<<8 | bytes[5])/1000,
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"2": (bytes[0]<<8 | bytes[1])/1000,
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"3":(bytes[4]<<8 | bytes[5])/1000,
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"4":(bytes[4]<<8 | bytes[5])/1000,
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"5":(bytes[4]<<8 | bytes[5])/1000,
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}[(bytes[6] & 0x7C)>>2],
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//Digital Input Status,PA12
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Digital_IStatus:
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{
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"0":(bytes[6] & 0x02)? "H":"L",
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"1":(bytes[6] & 0x02)? "H":"L",
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"2":(bytes[6] & 0x02)? "H":"L",
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"3":(bytes[6] & 0x02)? "H":"L",
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"4":(bytes[6] & 0x02)? "H":"L",
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"5":(bytes[6] & 0x02)? "H":"L",
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}[(bytes[6] & 0x7C)>>2],
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//GPIO_MODE_IT_FALLING,PB14
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EXTI_Trigger:
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{
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"0":(bytes[6] & 0x01)? "TRUE":"FALSE",
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"1":(bytes[6] & 0x01)? "TRUE":"FALSE",
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"2":(bytes[6] & 0x01)? "TRUE":"FALSE",
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"3":(bytes[6] & 0x01)? "TRUE":"FALSE",
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"4":(bytes[6] & 0x01)? "TRUE":"FALSE",
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}[(bytes[6] & 0x7C)>>2],
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//Status of door sensor,PB14
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Door_status:
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{
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"0": (bytes[6] & 0x80)? "CLOSE":"OPEN",
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"1": (bytes[6] & 0x80)? "CLOSE":"OPEN",
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"2": (bytes[6] & 0x80)? "CLOSE":"OPEN",
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"3": (bytes[6] & 0x80)? "CLOSE":"OPEN",
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"4": (bytes[6] & 0x80)? "CLOSE":"OPEN",
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}[(bytes[6] & 0x7C)>>2],
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//SHT2X,SHT3X temperature,PB6,PB7,units:â„?
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TempC_SHT:
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{
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"0":((bytes[7]<<24>>16 | bytes[8])/10).toFixed(2),
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"2":((bytes[7]<<24>>16 | bytes[8])/10).toFixed(2),
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}[(bytes[6] & 0x7C)>>2],
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//SHT2X,SHT3X Humidity,PB6,PB7,units:%
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Hum_SHT:
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{
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"0": ((bytes[9]<<8 | bytes[10])/10) .toFixed(1),
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"2": ((bytes[9]<<8 | bytes[10])/10) .toFixed(1),
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}[(bytes[6] & 0x7C)>>2],
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//Distance,PA11,PB12,units:cm;
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Distance:
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{
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"1":((bytes[7]<<8 | bytes[8])/10) .toFixed(1),
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}[(bytes[6] & 0x7C)>>2],
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//ADC Channel 1,PA1,units:V
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ADC_CH1V:
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{
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"2":(bytes[2]<<8 | bytes[3])/1000,
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}[(bytes[6] & 0x7C)>>2],
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//ADC Channel 4,PA4,units:V
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ADC_CH4V:
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{
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"2":(bytes[4]<<8 | bytes[5])/1000,
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}[(bytes[6] & 0x7C)>>2],
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//DS18B20,PA9,units:â„?
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TempC2:
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{
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"3":((bytes[7]<<24>>16 | bytes[8])/10).toFixed(2),
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}[(bytes[6] & 0x7C)>>2],
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//DS18B20,PA10,units:â„?
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TempC3:
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{
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"3":((bytes[9]<<24>>16 | bytes[10])/10).toFixed(2),
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}[(bytes[6] & 0x7C)>>2],
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//Weight,PA11,PB12,units:g;
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Weight:
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{
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"4":(bytes[7]<<24>>16 | bytes[8]),
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}[(bytes[6] & 0x7C)>>2],
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//interrupt count
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Count:
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{
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"5":(bytes[7]<<24 | bytes[8]<<16 | bytes[9]<<8 | bytes[10]),
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}[(bytes[6] & 0x7C)>>2],
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}
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return {"data": data};
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}
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// Encode downlink function.
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//
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// Input is an object with the following fields:
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// - data = Object representing the payload that must be encoded.
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// - variables = Object containing the configured device variables.
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//
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// Output must be an object with the following fields:
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// - bytes = Byte array containing the downlink payload.
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function encodeDownlink(input) {
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return {bytes: []};
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}
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