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Fixed I2C ADC protocol. Added TMP2 PVs

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This commit is contained in:
Bernardo Carvalho
2019-10-17 11:52:47 +01:00
parent 0c935830b5
commit d76cdec3ab
3 changed files with 33 additions and 7 deletions
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34
epics/iocs/ISTTOKrpi/ISTTOKrpiApp/Db/ISTTOKpcf8591.db
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@@ -25,11 +25,37 @@ record( mbboDirect, "$(P)$(R)PCF8591:72:CTRLREGISTER") {
field(VAL, 255)
field(PINI,"YES")
}
record( longin, "$(P)$(R)PCF8591:72:ADC_CH0" ) {
# Receiving two bytes. last one counts
record( longin, "$(P)$(R)PCF8591:72:ADC_CH1" ) {
field(DTYP, "stream")
field(INP, "@pcf8591.proto rConvAdc0(72) I2C")
field(SCAN, "1 second")
#field( FLNK, "
# field( FLNK, "$(P)$(R)PCF8591:72:CHANNEL1" )
}
record( calc, "$(P)$(R)PCF8591:72:BYTE2_CH1" ) {
field( INPA, "$(P)$(R)PCF8591:72:ADC_CH1 PP NMS")
# extract LSB =last byte received
field( CALC, " A & 255 " )
}
record( ai, "$(P)$(R)PCF8591:72:CHANNEL1" ) {
field( INP, "$(P)$(R)PCF8591:72:ADC_CH1 PP NMS")
field( SCAN, "1 second")
field( ASLO, "0.02" )
field( AOFF, "0" )
field( EGU, "V" )
field( PREC, "3" )
field( HOPR, "5.0" )
field( LOPR, "0.0" )
}
record( longin, "$(P)$(R)PCF8591:72:ADC_CH2" ) {
field(DTYP, "stream")
field(INP, "@pcf8591.proto rConvAdc1(72) I2C")
#field( FLNK, "
}
record( calc, "$(P)$(R)PCF8591:72:BYTE2_CH2" ) {
field( INPA, "$(P)$(R)PCF8591:72:ADC_CH2 PP NMS")
field(SCAN, "1 second")
# LSB i=last byte received
field( CALC, " A & 255 " )
}

0
epics/iocs/ISTTOKrpi/iocBoot/iocISTTOKrpi/st.cmd Normal file → Executable file
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6
epics/iocs/ISTTOKrpi/protocols/pcf8591.proto
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@@ -24,15 +24,15 @@ rConvAdc0 {
}
rConvAdc1 {
out ${1} 0x01;
in "%01r";
in "%02r";
}
rConvAdc2 {
out ${1} 0x02;
in "%01r";
in "%02r";
}
rConvAdc3 {
out ${1} 0x03;
in "%01r";
in "%02r";
}
## @init { rReg; }