Handles commands from the Host Interface. More...

Include dependency graph for usartcmd.c:

Macros
#define	MAXPARAMS 5

Functions
static int8_t	CmdAnalog (void)
	Set the analog instrument to a certain position. More...

static int8_t	CmdCalibrate (void)
	Calibrates the Voltage Sensors. More...

static int8_t	CmdClearErrors (void)
	Clears Error Flags and Counters. More...

static int8_t	CmdDebug (void)
	Sets Debug Options. More...

static int8_t	CmdDistance (void)
	Continuously prints the Sensor Distance Value. More...

static int8_t	CmdDumpConf (void)
	Prints the Configuration Memory in a human readable form. More...

static int8_t	CmdFTest (void)
	Performs a Factory Test. More...

static int8_t	CmdGetSensorValues (void)
	Retrieves the Sensor Values. More...

static int8_t	CmdHelp (void)
	Lists a Description of all Commands. More...

static int8_t	CmdReset (void)
	Causes a Watchdog Reset. Useful for Debugging. More...

static int8_t	CmdSetBright (void)
	Sets the Brightness of the LCD Backlight. More...

static int8_t	CmdSetCistern (void)
	Sets the Cistern Metrics. More...

static int8_t	CmdSetContrast (void)
	Sets the Contrast of the LCD Backlight. More...

static int8_t	CmdSetDCFInv (void)
	Sets the DCF-Pin logic. More...

static int8_t	CmdSetDisplay (void)
	Sets the Display type. More...

static int8_t	CmdSetOcr (void)
	Sets the OCR1CL to an absolute Value. More...

static int8_t	CmdSetPTime (void)
	Sets the Delay for automatic Display stepping. More...

static int8_t	CmdSetPTimeK (void)
	Sets the Delay for switchback from manual to automatic Display stepping. More...

static int8_t	CmdSetSignal (void)
	Sets the Thresholds for a Signaling Output. More...

static int8_t	CmdSetSounds (void)
	Sets the Sounds-OK-Time and Soundmask. More...

static int8_t	CmdSetSpontaneous (void)
	Sets Spontaneous Volume Reporting. More...

static int8_t	CmdSetTime (void)
	Sets the Time. More...

static int8_t	CmdStat (void)
	Prints Values of System Sensors... More...

static int8_t	CmdUpdateSensorFirmware (void)
	Updates the Sensor Firmware. More...

static int8_t	CmdUseRts (void)
	Sets if to use RTS/CTS-Handshake. More...

static int8_t	CmdVerifySensorFirmware (void)
	Verifies the Sensor Firmware against an Intel-HEX-File. More...

static int8_t	CmdWrite (void)
	Writes the Configuration to the EEPROM. More...

static double	EnterDouble (void)
	Receives a Double from the Host. More...

uint8_t	ExecCommand (char *str)
	Executes one command line. More...

static void	ExtraIgnored (uint8_t n)
	Prints error message about superfluous parameters. More...

static void	MissingArg (void)
	Prints error message about missing arguments. More...

Variables
static char *	cmd

static const commandTable_t	commandTable []

static const char	helpCalibrate []

static const char	helpClearErrors [] = "Clear error flags and counters"

static const char	helpDCFinv [] = "Sets DCF77-pin polarity"

static const char	helpDebug [] = "Change debug settings"

static const char	helpDistance [] = "Continuously prints sensor distance value until you press a key"

static const char	helpDumpConf [] = "Prints a human readable list of configuration data"

static const char	helpFTest [] = "Executes the factory test"

static const char	helpGetSensorValues [] = "Gets sensor measurement values"

static const char	helpHelp [] = "This list of commands"

static const char	helpReset [] = "Restarts the device"

static const char	helpSetBright [] = "Sets backlight brightness, absolute or relative (e.g. 50, +10 -10)"

static const char	helpSetCistern [] = "Sets the cistern metrics"

static const char	helpSetContr [] = "Sets LCD contrast, absolute or relative (e.g. 25, +5 -5)"

static const char	helpSetDisplay [] = "Sets the display type (4x20, 2x16 or analog)"

static const char	helpSetPTime [] = "Sets the delay for automatic display stepping (0 means no automatic stepping)"

static const char	helpSetPTimeK [] = "Sets the delay for switchback from manual to automatic stepping"

static const char	helpSetSignal [] = "Sets the thresholds for signaling outputs"

static const char	helpSetSounds [] = "Sets the Sounds-OK-Time and Soundmask. E.g. SetSounds 9 18 0"

static const char	helpSetSpontaneous [] = "Sets Volume difference for spontaneous reporting (0=Off)"

static const char	helpSetTime [] = "Sets the time. E.g. SetTime 18:35"

static const char	helpStatus [] = "Prints current status"

static const char	helpUpdate [] = "Updates sensor firmware"

static const char	helpUseRts [] = "Use RTS/CTS-handshake for serial communication"

static const char	helpVerify [] = "Verifies sensor firmware"

static const char	helpWrite [] = "Writes configuration to non-volatile memory.\n\n* Execute Write after any changes in configuration\n or your changes will get lost at next reset! *\n\n"

static uint8_t	nParams

static char *	params [MAXPARAMS]

static const char helpCalibrate []	PROGMEM = "Calibrates the voltage sensors"

Detailed Description

Handles commands from the Host Interface.

Handles commands from the serial interface

Copyright: Copyright (C) 2009 Robert Loos http://www.loosweb.de

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Macro Definition Documentation

◆ MAXPARAMS

#define MAXPARAMS 5

Function Documentation

◆ CmdAnalog()

static int8_t CmdAnalog ( void )

static

Set the analog instrument to a certain position.

This command is only useful for debugging if no other part of the software is setting the value!

References ExtraIgnored(), hprintf_P(), MissingArg(), nParams, params, and SetAnalogPerCent().

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◆ CmdCalibrate()

static int8_t CmdCalibrate ( void )

static

Calibrates the Voltage Sensors.

Normal operation is halted during the calibration so the RTC will be late afterwards.
The user is prompted to enter the voltages from which the real Volts per LSB for each channel is calculated.

Note: The JTAGEN-fuse has to be disabled for an accurate Value of P3 and no JTAG debugger must be connected else you would end up in heavy miscalibration of the P3-value!

Returns: 0 on success, -1 on error.

References ADCData_t::ADC_P3, ADCData_t::ADC_P5, ADCData_t::ADC_SWUnreg, ADCData_t::ADC_Unreg, ADCDataAvg, AssertRTS(), byteFromHost, CFLAG_BYTERECEIVED, cFlags, config, configDirty, delay10ms(), EnterDouble(), hprintf_P(), InitADC(), confStruct_t::instCal, LCDClear(), LCDSetBrightness(), ADCData_t::named, confStruct_t::P3VoltsPerLSB, confStruct_t::P5VoltsPerLSB, SensorPowerOff(), SensorPowerOn(), SetAnalogPerCent(), confStruct_t::SWUnregVoltsPerLSB, confStruct_t::UnregVoltsPerLSB, and usart1FlushRx().

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◆ CmdClearErrors()

static int8_t CmdClearErrors ( void )

static

Clears Error Flags and Counters.

Resets watchdog and brownout reset counters and the error flags in the display.

Returns: always 0

References boCnt, ExtraIgnored(), hprintf_P(), nParams, ResetDisplayFlags(), and wdrCnt.

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◆ CmdDebug()

static int8_t CmdDebug ( void )

static

Sets Debug Options.

Possible parameters are dcf and sensor. Adding a parameter switches debug output on, omitting it off. So debug without parameters completely disables debugging output.

Note: Be careful using debug output especially for DCF77. This includes calling interrupt serviced routines (UART) from an interrupt and may lock up if the transmit buffer is filled (e.g. by auxiliary communication) since in ATMega-architecture interrupts and non-interruptible!

Returns: 0

References DFLAG_ADC, DFLAG_DCF77, DFLAG_SENSOR, dFlags, hprintf_P(), nParams, and params.

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◆ CmdDistance()

static int8_t CmdDistance ( void )

static

Continuously prints the Sensor Distance Value.

This command terminates if you press any key on the console. Mostly used for debugging and sensor installation.

Note: Normal operation is suspended while this command is running.

Returns: Always 0

References AssertRTS(), CFLAG_BYTERECEIVED, CFLAG_TIMERECEIVED, cFlags, displayValues, distance, hprintf_P(), hrCnt, LitersFromDist(), displayValues_t::literUnitChar, minCnt, pulseTime, pulseTimeInt, pulseTimeMult, secCnt, SensorPowerOff(), SensorPowerOn(), and speedOfSound.

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◆ CmdDumpConf()

static int8_t CmdDumpConf ( void )

static

Prints the Configuration Memory in a human readable form.

Returns: always 0

References DumpConfig(), ExtraIgnored(), hprintf_P(), and nParams.

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◆ CmdFTest()

static int8_t CmdFTest ( void )

static

Performs a Factory Test.

Returns: This function does not return. It ends with a device reset.

References CmdReset(), FTest(), and hprintf_P().

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◆ CmdGetSensorValues()

static int8_t CmdGetSensorValues ( void )

static

Retrieves the Sensor Values.

Measured volume and temperature inside the cistern.

Returns: always 0

References displayValues, ExtraIgnored(), hprintf_P(), displayValues_t::liters, displayValues_t::literUnitChar, nParams, and displayValues_t::tempSemi.

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◆ CmdHelp()

static int8_t CmdHelp ( void )

static

Lists a Description of all Commands.

References cmd, commandTable, ExtraIgnored(), hprintf_P(), and nParams.

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◆ CmdReset()

static int8_t CmdReset ( void )

static

Causes a Watchdog Reset. Useful for Debugging.

Note: The Display will show watchdog resets after this command. Use a clean power up or a "ClearErrors" to get rid of these.

Returns: This function does not return.

References hprintf_P().

Referenced by CmdFTest().

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◆ CmdSetBright()

static int8_t CmdSetBright ( void )

static

Sets the Brightness of the LCD Backlight.

If the brightness is a pure number, it is treated as an absolute value, a preceding '+' or '-' increases or decreases the brightness for the specified value.

Returns: 0 on success, -1 on error.

References config, configDirty, ExtraIgnored(), hprintf_P(), confStruct_t::LCDBright, LCDGetBrightness(), LCDSetBrightness(), MissingArg(), nParams, and params.

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◆ CmdSetCistern()

static int8_t CmdSetCistern ( void )

static

Sets the Cistern Metrics.

Returns: 0 on success, -1 on error.

References CIST_CONST_AREA, CIST_HORIZ_CYL, CIST_SPHERE, confStruct_t::cistAreaOrDiameter, confStruct_t::cistCapacity, confStruct_t::cisternType, confStruct_t::cistHeight, confStruct_t::cistLength, config, configDirty, ExtraIgnored(), hprintf_P(), MissingArg(), nParams, and params.

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◆ CmdSetContrast()

static int8_t CmdSetContrast ( void )

static

Sets the Contrast of the LCD Backlight.

If the contrast is a pure number, it is treated as an absolute value, a preceding '+' or '-' increases or decreases the contrast for the specified value.

Returns: 0 on success, -1 on error.

References config, configDirty, ExtraIgnored(), hprintf_P(), confStruct_t::LCDBright, LCDGetContrast(), LCDSetContrast(), MissingArg(), nParams, and params.

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◆ CmdSetDCFInv()

static int8_t CmdSetDCFInv ( void )

static

Sets the DCF-Pin logic.

Returns: 0 on success, -1 on error.

References config, configDirty, DCF77_PINMASK, hprintf_P(), confStruct_t::invDCF77, MissingArg(), nParams, and params.

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◆ CmdSetDisplay()

static int8_t CmdSetDisplay ( void )

static

Sets the Display type.

Returns: 0 on success, -1 on error.

References config, configDirty, DISPLAY_2x16, DISPLAY_4x20, DISPLAY_ANALOG, confStruct_t::displayType, ExtraIgnored(), hprintf_P(), LCDClear(), MissingArg(), nParams, and params.

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◆ CmdSetOcr()

static int8_t CmdSetOcr ( void )

static

Sets the OCR1CL to an absolute Value.

This command is only useful for debugging if no other part of the software is setting the value!

Returns: Always 0

References ExtraIgnored(), hprintf_P(), MissingArg(), nParams, and params.

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◆ CmdSetPTime()

static int8_t CmdSetPTime ( void )

static

Sets the Delay for automatic Display stepping.

Returns: 0 on success, -1 on error.

References config, configDirty, ExtraIgnored(), hprintf_P(), MissingArg(), nParams, confStruct_t::pageTime, and params.

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◆ CmdSetPTimeK()

static int8_t CmdSetPTimeK ( void )

static

Sets the Delay for switchback from manual to automatic Display stepping.

Returns: 0 on success, -1 on error.

References config, configDirty, ExtraIgnored(), hprintf_P(), MissingArg(), nParams, confStruct_t::pageTime, confStruct_t::pageTimeK, and params.

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◆ CmdSetSignal()

static int8_t CmdSetSignal ( void )

static

Sets the Thresholds for a Signaling Output.

Returns: 0 on success, -1 on error.

References signalOutput_t::activeAbove, signalOutput_t::activeBelow, config, configDirty, DumpConfigSignal(), ExtraIgnored(), hprintf_P(), MissingArg(), nParams, params, and confStruct_t::signalOutputs.

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◆ CmdSetSounds()

static int8_t CmdSetSounds ( void )

static

Sets the Sounds-OK-Time and Soundmask.

Returns: 0 on success, -1 on error.

References config, configDirty, ExtraIgnored(), hprintf_P(), MissingArg(), nParams, params, and confStruct_t::sndMask.

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◆ CmdSetSpontaneous()

static int8_t CmdSetSpontaneous ( void )

static

Sets Spontaneous Volume Reporting.

Returns: 0 on success, -1 on error.

References config, configDirty, ExtraIgnored(), hprintf_P(), MissingArg(), nParams, params, and confStruct_t::spontaneousReportVolume.

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◆ CmdSetTime()

static int8_t CmdSetTime ( void )

static

Sets the Time.

Returns: 0 on success, -1 on error.

References DCFInSync, ExtraIgnored(), hprintf_P(), hrCnt, min, minCnt, MissingArg(), nParams, params, and secCnt.

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◆ CmdStat()

static int8_t CmdStat ( void )

static

Prints Values of System Sensors...

... and some other useful information.

References ADCData_t::ADC_P3, ADCData_t::ADC_P5, ADCData_t::ADC_SWUnreg, ADCData_t::ADC_Unreg, ADCData, ADCDataMax, ADCDataMin, boCnt, BTStatus, channelMismatchCnt, config, DCFInSync, displayValues, distance, displayValues_t::error, ExtraIgnored(), GetDCFdiff(), BTStatus_t::haveBT, hostCommandsLost, hprintf_P(), hrCnt, lastReportedVolume, displayValues_t::liters, displayValues_t::literUnitChar, BTStatus_t::localPort, minCnt, ADCData_t::named, nParams, P3FromADC(), P5FromADC(), BTStatus_t::remoteAddress, RTCAdj, RTCAdjTxt, secCnt, confStruct_t::sndHourFrom, confStruct_t::sndHourTo, confStruct_t::sndMask, SNDMASK_ALERT1ALWAYS, SNDMASK_ALERT2ALWAYS, SNDMASK_HOURBELL, confStruct_t::spontaneousReportVolume, SWUnregFromADC(), TempFromADC(), displayValues_t::tempSemi, BTStatus_t::unknTelCnt, UnregFromADC(), and wdrCnt.

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◆ CmdUpdateSensorFirmware()

static int8_t CmdUpdateSensorFirmware ( void )

static

Updates the Sensor Firmware.

The User is asked to send the Intel HEX file which is then sent to the sensor.

Returns: 0

References ExtraIgnored(), nParams, and UpdateSensorFirmware().

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◆ CmdUseRts()

static int8_t CmdUseRts ( void )

static

Sets if to use RTS/CTS-Handshake.

Returns: 0 if OK, -1 on error

References config, configDirty, hprintf_P(), MissingArg(), nParams, params, and confStruct_t::useRts.

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◆ CmdVerifySensorFirmware()

static int8_t CmdVerifySensorFirmware ( void )

static

Verifies the Sensor Firmware against an Intel-HEX-File.

The User is asked to send the Intel HEX file which is then verified against the sensor firmware.

Returns: 0

References ExtraIgnored(), nParams, and VerifySensorFirmware().

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◆ CmdWrite()

static int8_t CmdWrite ( void )

static

Writes the Configuration to the EEPROM.

Returns: 0 on success, -1 on error.

References configDirty, ExtraIgnored(), hprintf_P(), nParams, and WriteConfig().

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◆ EnterDouble()

static double EnterDouble ( void )

static

Receives a Double from the Host.

Returns: The Value

References ADCData_t::ADC_P3, ADCData_t::ADC_P5, ADCData_t::ADC_SWUnreg, ADCData_t::ADC_Unreg, ADCDataAvg, ADCFLAG_NEWAVERAGES, adcFlags, AssertRTS(), CFLAG_CMDRECEIVED, cFlags, cmdline, config, DISPLAY_4x20, confStruct_t::displayType, LCDGoTo(), ADCData_t::named, P3FromADC(), P5FromADC(), SWUnregFromADC(), and UnregFromADC().

Referenced by CmdCalibrate().

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◆ ExecCommand()

uint8_t ExecCommand ( char * str )

Executes one command line.

Parameters

str	A pointer to the line

Returns: 0 on success, 1 on error

References commandTable_t::adr, cmd, commandTable, configDirty, hprintf_P(), nParams, and params.

Referenced by DoCflags().

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◆ ExtraIgnored()

static void ExtraIgnored ( uint8_t n )

static

Prints error message about superfluous parameters.

Parameters

n	The number of extra parameters

References cmd, and hprintf_P().

Referenced by CmdAnalog(), CmdClearErrors(), CmdDumpConf(), CmdGetSensorValues(), CmdHelp(), CmdSetBright(), CmdSetCistern(), CmdSetContrast(), CmdSetDisplay(), CmdSetOcr(), CmdSetPTime(), CmdSetPTimeK(), CmdSetSignal(), CmdSetSounds(), CmdSetSpontaneous(), CmdSetTime(), CmdStat(), CmdUpdateSensorFirmware(), CmdVerifySensorFirmware(), and CmdWrite().

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◆ MissingArg()

static void MissingArg ( void )

static

Prints error message about missing arguments.

References cmd, and hprintf_P().

Referenced by CmdAnalog(), CmdSetBright(), CmdSetCistern(), CmdSetContrast(), CmdSetDCFInv(), CmdSetDisplay(), CmdSetOcr(), CmdSetPTime(), CmdSetPTimeK(), CmdSetSignal(), CmdSetSounds(), CmdSetSpontaneous(), CmdSetTime(), and CmdUseRts().

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Variable Documentation

◆ cmd

char* cmd

static

Referenced by CmdHelp(), ExecCommand(), ExtraIgnored(), and MissingArg().

◆ commandTable

const commandTable_t commandTable[]

static

Referenced by CmdHelp(), and ExecCommand().

◆ helpCalibrate

const char helpCalibrate[]

static

◆ helpClearErrors

static const char helpClearErrors = "Clear error flags and counters"

static

◆ helpDCFinv

static const char helpDCFinv = "Sets DCF77-pin polarity"

static

◆ helpDebug

static const char helpDebug = "Change debug settings"

static

◆ helpDistance

static const char helpDistance = "Continuously prints sensor distance value until you press a key"

static

◆ helpDumpConf

static const char helpDumpConf = "Prints a human readable list of configuration data"

static

◆ helpFTest

static const char helpFTest = "Executes the factory test"

static

◆ helpGetSensorValues

static const char helpGetSensorValues = "Gets sensor measurement values"

static

◆ helpHelp

static const char helpHelp = "This list of commands"

static

◆ helpReset

static const char helpReset = "Restarts the device"

static

◆ helpSetBright

static const char helpSetBright = "Sets backlight brightness, absolute or relative (e.g. 50, +10 -10)"

static

◆ helpSetCistern

static const char helpSetCistern = "Sets the cistern metrics"

static

◆ helpSetContr

static const char helpSetContr = "Sets LCD contrast, absolute or relative (e.g. 25, +5 -5)"

static

◆ helpSetDisplay

static const char helpSetDisplay = "Sets the display type (4x20, 2x16 or analog)"

static

◆ helpSetPTime

static const char helpSetPTime = "Sets the delay for automatic display stepping (0 means no automatic stepping)"

static

◆ helpSetPTimeK

static const char helpSetPTimeK = "Sets the delay for switchback from manual to automatic stepping"

static

◆ helpSetSignal

static const char helpSetSignal = "Sets the thresholds for signaling outputs"

static

◆ helpSetSounds

static const char helpSetSounds = "Sets the Sounds-OK-Time and Soundmask. E.g. SetSounds 9 18 0"

static

◆ helpSetSpontaneous

static const char helpSetSpontaneous = "Sets Volume difference for spontaneous reporting (0=Off)"

static

◆ helpSetTime

static const char helpSetTime = "Sets the time. E.g. SetTime 18:35"

static

◆ helpStatus

static const char helpStatus = "Prints current status"

static

◆ helpUpdate

static const char helpUpdate = "Updates sensor firmware"

static

◆ helpUseRts

static const char helpUseRts = "Use RTS/CTS-handshake for serial communication"

static

◆ helpVerify

static const char helpVerify = "Verifies sensor firmware"

static

◆ helpWrite

static const char helpWrite = "Writes configuration to non-volatile memory.\n\n*** Execute Write after any changes in configuration\n or your changes will get lost at next reset! ***\n\n"

static

◆ nParams

uint8_t nParams

static

◆ params

char* params[MAXPARAMS]

static

Referenced by CmdAnalog(), CmdDebug(), CmdSetBright(), CmdSetCistern(), CmdSetContrast(), CmdSetDCFInv(), CmdSetDisplay(), CmdSetOcr(), CmdSetPTime(), CmdSetPTimeK(), CmdSetSignal(), CmdSetSounds(), CmdSetSpontaneous(), CmdSetTime(), CmdUseRts(), and ExecCommand().

◆ PROGMEM

const char helpWrite [] PROGMEM = "Calibrates the voltage sensors"

static

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ MAXPARAMS

Function Documentation

◆ CmdAnalog()

◆ CmdCalibrate()

◆ CmdClearErrors()

◆ CmdDebug()

◆ CmdDistance()

◆ CmdDumpConf()

◆ CmdFTest()

◆ CmdGetSensorValues()

◆ CmdHelp()

◆ CmdReset()

◆ CmdSetBright()

◆ CmdSetCistern()

◆ CmdSetContrast()

◆ CmdSetDCFInv()

◆ CmdSetDisplay()

◆ CmdSetOcr()

◆ CmdSetPTime()

◆ CmdSetPTimeK()

◆ CmdSetSignal()

◆ CmdSetSounds()

◆ CmdSetSpontaneous()

◆ CmdSetTime()

◆ CmdStat()

◆ CmdUpdateSensorFirmware()

◆ CmdUseRts()

◆ CmdVerifySensorFirmware()

◆ CmdWrite()

◆ EnterDouble()

◆ ExecCommand()

◆ ExtraIgnored()

◆ MissingArg()

Variable Documentation

◆ cmd

◆ commandTable

◆ helpCalibrate

◆ helpClearErrors

◆ helpDCFinv

◆ helpDebug

◆ helpDistance

◆ helpDumpConf

◆ helpFTest

◆ helpGetSensorValues

◆ helpHelp

◆ helpReset

◆ helpSetBright

◆ helpSetCistern

◆ helpSetContr

◆ helpSetDisplay

◆ helpSetPTime

◆ helpSetPTimeK

◆ helpSetSignal

◆ helpSetSounds

◆ helpSetSpontaneous

◆ helpSetTime

◆ helpStatus

◆ helpUpdate

◆ helpUseRts

◆ helpVerify

◆ helpWrite

◆ nParams

◆ params

◆ PROGMEM