PikeAero::CSPIAmp Class Reference

#include <cspiamp.h>

Inheritance diagram for PikeAero::CSPIAmp:

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Collaboration diagram for PikeAero::CSPIAmp:

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Public Member Functions
	CSPIAmp ()
void	setChanelGain (CMachine::ubit8 channel, CMachine::ubit8 gain)
	set channel and gain
void	setChannel (CMachine::ubit8 channel)
	select channel.
void	setGain (CMachine::ubit8 gain)
	set gain.
virtual	~CSPIAmp ()
Private Member Functions
void	functionEnter ()
void	functionExit ()

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Detailed Description

Communicates with Microchip MCP6S28 op-amp multiplexer on BSPI2. Chip Select P6.2 selects 25LC1024 EEPROM IC. Chip Select P6.3 selects MCP6S28 op-amp IC.

Author:

Michael Sharkey <mike@pikeaero.com>

Definition at line 35 of file cspiamp.h.

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Constructor & Destructor Documentation

PikeAero::CSPIAmp::CSPIAmp

(

)

BSPI2 @ 5.333 MHz

Definition at line 27 of file cspiamp.cpp.

: inherited(BSPI2) /** BSPI2 @ 5.333 MHz */
{
}

PikeAero::CSPIAmp::~CSPIAmp

(

)

[virtual]

Definition at line 33 of file cspiamp.cpp.

{
}

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Member Function Documentation

void PikeAero::CSPIAmp::functionEnter

(

)

[private]

Activate chip select

disable 25LC1024 CS

enable MCP6S28 CS

Definition at line 37 of file cspiamp.cpp.

References PikeAero::CSPI::disableChipSelect(), PikeAero::CSPI::disableRXInterrupts(), PikeAero::CSPI::disableTXInterrupts(), PikeAero::CSPI::enableChipSelect(), GPIO_PIN_2, and GPIO_PIN_3.

Referenced by setChanelGain(), setChannel(), and setGain().

{
    disableRXInterrupts();
    disableTXInterrupts();

    /** Activate chip select */
    disableChipSelect( GPIO_PIN_2 );    /** disable 25LC1024 CS */
    enableChipSelect( GPIO_PIN_3 );     /** enable MCP6S28 CS */
}

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void PikeAero::CSPIAmp::functionExit

(

)

[private]

Deactivate chip select

disable MCP6S28 CS

Definition at line 47 of file cspiamp.cpp.

References PikeAero::CSPI::disableChipSelect(), and GPIO_PIN_3.

Referenced by setChanelGain(), setChannel(), and setGain().

{
    /** Deactivate chip select */
    disableChipSelect( GPIO_PIN_3 );    /** disable MCP6S28 CS */
}

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void PikeAero::CSPIAmp::setChanelGain	(	CMachine::ubit8	channel,
		CMachine::ubit8	gain
	)

set channel and gain

address the channel register

select the channel

address the gain register

set the channel gain

Definition at line 56 of file cspiamp.cpp.

References PikeAero::CSPI::clearReceiver(), functionEnter(), functionExit(), PikeAero::CMachine::mutexBSPI2(), and PikeAero::CSPI::tx().

{
    CMutexLock mutexLock( CMachine::mutexBSPI2() );
    functionEnter();
    
    tx( 0x41 );             /** address the channel register */
    tx( channel & 0x07 );   /** select the channel */
    
    tx( 0x40 );             /** address the gain register */
    tx( gain & 0x07 );      /** set the channel gain */
    
    clearReceiver();
    functionExit();
}   

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void PikeAero::CSPIAmp::setChannel

(

CMachine::ubit8

channel

)

select channel.

address the channel register

select the channel

Definition at line 74 of file cspiamp.cpp.

References PikeAero::CSPI::clearReceiver(), functionEnter(), functionExit(), PikeAero::CMachine::mutexBSPI2(), and PikeAero::CSPI::tx().

{
    CMutexLock mutexLock( CMachine::mutexBSPI2() );
    functionEnter();
    
    tx( 0x41 );             /** address the channel register */
    tx( channel & 0x07 );   /** select the channel */
    
    clearReceiver();
    functionExit();
}

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void PikeAero::CSPIAmp::setGain

(

CMachine::ubit8

gain

)

set gain.

address gain register

set the channel gain

Definition at line 89 of file cspiamp.cpp.

References PikeAero::CSPI::clearReceiver(), functionEnter(), functionExit(), PikeAero::CMachine::mutexBSPI2(), and PikeAero::CSPI::tx().

{
    CMutexLock mutexLock( CMachine::mutexBSPI2() );
    functionEnter();
    
    tx( 0x40 );             /** address gain register */
    tx( gain & 0x07 );      /** set the channel gain */
    
    clearReceiver();
    functionExit();
}

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The documentation for this class was generated from the following files:

• cspiamp.h
• cspiamp.cpp