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Andrew
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Merge pull request #1 from anmenaga/InitialFileBatch
Initial batch of code
2 parents bd7aea8 + 4bad8cb commit 25fd313

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‎Examples/BME280/Microsoft.PowerShell.IoT.BME280.psd1

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@{
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GUID="eb74e8da-9ae2-482a-a648-e96550fb8739"
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Author="Microsoft Corporation"
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CompanyName="Microsoft Corporation"
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Copyright="© Microsoft Corporation. All rights reserved."
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Description='PowerShell module for working with Bosch Sensortec BME280 sensor.'
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ModuleVersion="1.0.0.0"
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PowerShellVersion="3.0"
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FunctionsToExport = @('Get-BME280ChipID','Get-BME280Data')
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DotNetFrameworkVersion = 4.5
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CmdletsToExport = '*'
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AliasesToExport = @()
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NestedModules=@('psiot.dll','Microsoft.PowerShell.IoT.BME280.psm1')
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HelpInfoURI = 'https://go.microsoft.com/fwlink/?LinkId=393254'
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}

‎Examples/BME280/Microsoft.PowerShell.IoT.BME280.psm1

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$script:CalibrationData = @{}
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function Get-BME280ChipID
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{
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param
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(
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[ValidateNotNullOrEmpty()]
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[Microsoft.PowerShell.IoT.I2CDevice] $Device
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)
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Read-I2CRegister -Device $Device -Register 0xD0
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}
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function Read-CalibrationData
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{
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param
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(
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[ValidateNotNullOrEmpty()]
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[Microsoft.PowerShell.IoT.I2CDevice] $Device
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)
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# read calibration data from sensor
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$cd1 = Read-I2CRegister -Device $Device -Register 0x88 -Length 25
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$cd2 = Read-I2CRegister -Device $Device -Register 0xE1 -Length 7
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[uint16] $T1 = $cd1[1]
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$T1 = ($T1 -shl 8) -bor $cd1[0]
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[int16] $T2 = $cd1[3]
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$T2 = ($T2 -shl 8) -bor $cd1[2]
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[int16] $T3 = $cd1[5]
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$T3 = ($T3 -shl 8) -bor $cd1[4]
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[uint16] $P1 = $cd1[7]
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$P1 = ($P1 -shl 8) -bor $cd1[6]
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[int16] $P2 = $cd1[9]
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$P2 = ($P2 -shl 8) -bor $cd1[8]
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[int16] $P3 = $cd1[11]
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$P3 = ($P3 -shl 8) -bor $cd1[10]
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[int16] $P4 = $cd1[13]
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$P4 = ($P4 -shl 8) -bor $cd1[12]
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[int16] $P5 = $cd1[15]
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$P5 = ($P5 -shl 8) -bor $cd1[14]
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[int16] $P6 = $cd1[17]
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$P6 = ($P6 -shl 8) -bor $cd1[16]
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[int16] $P7 = $cd1[19]
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$P7 = ($P7 -shl 8) -bor $cd1[18]
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[int16] $P8 = $cd1[21]
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$P8 = ($P8 -shl 8) -bor $cd1[20]
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[int16] $P9 = $cd1[23]
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$P9 = ($P9 -shl 8) -bor $cd1[22]
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[byte] $H1 = $cd1[24]
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[int16] $H2 = $cd2[1]
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$H2 = ($H2 -shl 8) -bor $cd2[0]
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[byte] $H3 = $cd2[2]
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[int16] $H4 = $cd2[3]
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$H4 = ($H4 -shl 4) -bor ($cd2[4] -band 0x00FF)
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[int16] $H5 = $cd2[5]
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$H5 = ($H5 -shl 4) -bor ($cd2[4] -band 0xFF00)
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[sbyte] $H6 = $cd2[6]
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$cd_final = [pscustomobject]@{
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T1=$T1;
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T2=$T2;
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T3=$T3;
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P1=$P1;
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P2=$P2;
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P3=$P3;
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P4=$P4;
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P5=$P5;
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P6=$P6;
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P7=$P7;
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P8=$P8;
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P9=$P9;
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H1=$H1;
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H2=$H2;
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H3=$H3;
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H4=$H4;
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H5=$H5;
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H6=$H6}
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$script:CalibrationData[$Device] = $cd_final
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}
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function Set-BME280Config
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{
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param
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(
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[Parameter(Mandatory=$true, ValueFromPipeline=$true)]
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[ValidateNotNullOrEmpty()]
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[Microsoft.PowerShell.IoT.I2CDevice] $Device,
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[Parameter(Mandatory=$false)]
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[ValidateNotNullOrEmpty()]
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[string] $Mode,
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[Parameter(Mandatory=$false)]
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[ValidateNotNullOrEmpty()]
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[string] $Oversampling
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)
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# set oversampling of humidity data to ×2
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[byte] $reg_ctrl_hum = 0xF2
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[byte] $reg_ctrl_hum_value = [Convert]::ToByte("00000010",2)
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# set forced mode, set oversampling for temperature and pressure data to x2
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[byte] $reg_ctrl_meas = 0xF4
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[byte] $reg_ctrl_meas_value = [Convert]::ToByte("01001001",2)
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Write-I2CRegister -Device $Device -Register $reg_ctrl_hum -Value $reg_ctrl_hum_value
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Write-I2CRegister -Device $Device -Register $reg_ctrl_meas -Value $reg_ctrl_meas_value
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}
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# Calculate variable TFine (signed 32 bit) that carries a fine resolution temperature value over to the pressure and humidity compensation formula
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function Calc-T-Fine
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{
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param
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(
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[ValidateNotNullOrEmpty()]
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[int] $adc_T,
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[ValidateNotNullOrEmpty()]
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[pscustomobject] $cd
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)
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[int] $var1 = (((($adc_T -shr 3) - ([int]$cd.T1 -shl 1))) * ([int]$cd.T2)) -shr 11
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[int] $var2 = ((((($adc_T -shr 4) - ([int]$cd.T1)) * (($adc_T -shr 4) - ([int]$cd.T1))) -shr 12) * ([int]$cd.T3)) -shr 14
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[int] $TFine = $var1 + $var2
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$TFine
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}
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# Returns pressure in Pa as unsigned 32 bit integer in Q24.8 format (24 integer bits and 8 fractional bits).
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# Output value of “24674867” represents 24674867/256 = 96386.2 Pa = 963.862 hPa
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function Compensate_P
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{
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param
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(
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[ValidateNotNullOrEmpty()]
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[int] $adc_P,
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[ValidateNotNullOrEmpty()]
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[pscustomobject] $cd,
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[ValidateNotNullOrEmpty()]
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[int] $t_fine
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)
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[int64] $var1 = ([int64]$t_fine) - 128000;
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[int64] $var2 = $var1 * $var1 * [int64]$cd.P6;
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$var2 = $var2 + (($var1*[int64]$cd.P5) -shl 17);
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$var2 = $var2 + (([int64]$cd.P4) -shl 35);
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$var1 = (($var1 * $var1 * [int64]$cd.P3) -shr 8) + (($var1 * [int64]$cd.P2) -shl 12);
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$var1 = (((([int64]1) -shl 47)+$var1))*([int64]$cd.P1) -shr 33;
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if ($var1 -eq 0)
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{
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return 0 # avoid exception caused by division by zero
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}
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[int64] $p = 1048576 - $adc_P;
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$p = ((($p -shl 31)-$var2)*3125)/$var1;
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$var1 = (([int64]$cd.P9) * ($p -shr 13) * ($p -shr 13)) -shr 25;
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$var2 = (([int64]$cd.P8) * $p) -shr 19;
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$p = (($p + $var1 + $var2) -shr 8) + (([int64]$cd.P7) -shl 4);
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$p = [uint32]$p/256;
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$p
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}
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# Returns humidity in %RH as unsigned 32 bit integer in Q22.10 format (22 integer and 10 fractional bits).
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# Output value of “47445” represents 47445/1024 = 46.333 %RH
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function Compensate_H
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{
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param
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(
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[ValidateNotNullOrEmpty()]
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[int] $adc_H,
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[ValidateNotNullOrEmpty()]
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[pscustomobject] $cd,
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[ValidateNotNullOrEmpty()]
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[int] $t_fine
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)
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[int32] $v_x1_u32r = ($t_fine - ([int32]76800))
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$v_x1_u32r = ((((($adc_H -shl 14) - (([int32]$cd.H4) -shl 20) - (([int32]$cd.H5) * $v_x1_u32r)) +
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([int32]16384)) -shr 15) * ((((((($v_x1_u32r * ([int32]$cd.H6)) -shr 10) * ((($v_x1_u32r *
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([int32]$cd.H3)) -shr 11) + ([int32]32768))) -shr 10) + ([int32]2097152)) *
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([int32]$cd.H2) + 8192) -shr 14))
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$v_x1_u32r = ($v_x1_u32r - ((((($v_x1_u32r -shr 15) * ($v_x1_u32r -shr 15)) -shr 7) * ([int32]$cd.H1)) -shr 4))
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if ($v_x1_u32r -lt 0) { $v_x1_u32r = 0 }
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if ($v_x1_u32r -gt 419430400) {$v_x1_u32r = 419430400}
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$v_x1_u32r = ($v_x1_u32r -shr 12)*100 / 1024
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$v_x1_u32r
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}
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# Units of returned data: temperature in degrees Celsius, pressure in hPa, relative humidity in %
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function Get-BME280Data
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{
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param
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(
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[Parameter(Mandatory=$true, ValueFromPipeline=$true)]
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[ValidateNotNullOrEmpty()]
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[Microsoft.PowerShell.IoT.I2CDevice] $Device,
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[Parameter(Mandatory=$false)]
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[ValidateNotNullOrEmpty()]
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[string] $Mode,
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[Parameter(Mandatory=$false)]
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[ValidateNotNullOrEmpty()]
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[string] $Oversampling
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)
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Read-CalibrationData $Device
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Set-BME280Config $Device $Mode $Oversampling
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# read raw temperature, humidity and pressure measurement output data
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$adc = Read-I2CRegister -Device $Device -Register 0xF7 -Length 8
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[int] $adc_P = $adc[0]
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$adc_P = ($adc_P -shl 8) -bor $adc[1]
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$adc_P = ($adc_P -shl 4) -bor ($adc[2] -shr 4)
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[int] $adc_T = $adc[3]
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$adc_T = ($adc_T -shl 8) -bor $adc[4]
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$adc_T = ($adc_T -shl 4) -bor ($adc[5] -shr 4)
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[int] $adc_H = $adc[6]
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$adc_H = ($adc_H -shl 8) -bor $adc[7]
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[int] $TFine = Calc-T-Fine $adc_T $script:CalibrationData[$Device]
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[float] $Temperature = (($TFine * 5 + 128) -shr 8) / [float]100;
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[float] $Pressure = Compensate_P $adc_P $script:CalibrationData[$Device] $TFine
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$Pressure = $Pressure / 100
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[float] $Humidity = Compensate_H $adc_H $script:CalibrationData[$Device] $TFine
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$Humidity = $Humidity / 100
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$result = [pscustomobject]@{
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Temperature=$Temperature;
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Pressure=$Pressure;
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Humidity=$Humidity}
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$result
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}
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‎Examples/Plant/Microsoft.PowerShell.IoT.Plant.psd1

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@{
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GUID="eb74e8da-9ae2-482a-a648-e96550fb8731"
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Author="Microsoft Corporation"
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CompanyName="Microsoft Corporation"
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Copyright="© Microsoft Corporation. All rights reserved."
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Description='PowerShell module for plant growth'
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ModuleVersion="1.0.0.0"
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PowerShellVersion="3.0"
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FunctionsToExport = '*'
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DotNetFrameworkVersion = 4.5
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CmdletsToExport = '*'
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AliasesToExport = @()
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NestedModules=@('psiot.dll','Microsoft.PowerShell.IoT.Plant.psm1')
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HelpInfoURI = 'https://go.microsoft.com/fwlink/?LinkId=393254'
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}

‎Examples/Plant/Microsoft.PowerShell.IoT.Plant.psm1

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function SoilIsDry
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{
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Get-GpioPin -Pin 5
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}
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function Set-Lights
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{
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param
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(
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[Parameter(Mandatory=$true, ValueFromPipeline=$true)]
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[bool] $Value
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)
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Set-GpioPin -Pin 2 -Value $Value
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}
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function Set-Water
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{
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param
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(
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[Parameter(Mandatory=$true, ValueFromPipeline=$true)]
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[bool] $Value
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)
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Set-GpioPin -Pin 0 -Value (-not $Value)
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}

‎src/PowerShellIoT.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 15
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VisualStudioVersion = 15.0.27130.2003
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "psiot", "psiot\psiot.csproj", "{C806B98D-5AC6-44E9-B0CC-6D19DE3836FB}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{C806B98D-5AC6-44E9-B0CC-6D19DE3836FB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{C806B98D-5AC6-44E9-B0CC-6D19DE3836FB}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{C806B98D-5AC6-44E9-B0CC-6D19DE3836FB}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{C806B98D-5AC6-44E9-B0CC-6D19DE3836FB}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {2F50629C-F677-4660-A42C-ABAF9EE30D65}
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EndGlobalSection
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EndGlobal

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