EIC / L3GD20_SPI

L3GD20 Library using FIFO and Interrupt

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L3GD20 Class Reference
Public Types | Public Member Functions | Data Fields

L3GD20 Class Reference

L3GD20(SPI) class. More...

#include <L3GD20.h>

Public Types

enum  DIRECTION
 

enable direction
Example...L3GD20::XY,L3GD20::XYZ

More...
enum  FIFO_mode
 

FIFO mode
Example...L3GD20::FIFOmode
See Datasheet 4.2_FIFO(p.16/44)

More...
enum  FIFOstatus
 

FIFO status for cause of interruption
Example...L3GD20::watermark
See Datasheet 7.4_CTRL_REG3(p.33/44)

More...

Public Member Functions

void start (DIRECTION enable)
 Start command send to module.
void start (DIRECTION enable, void(*func)(anglerrates *))
 Start with interrupt.
void stop ()
 stop sampling command send
void sleep ()
 sleep command send
void read (anglerrates *val, DIRECTION direction)
 read angler rates with direction(L3GD20::XY)
This is read and calcurate dps, reading value is set to class instanse
int readTemperature ()
 read temperature without format (I don't know meaning of value.)
void enableFIFO (FIFO_mode mode, FIFOstatus interrupt, const int threshold=0)
 L3GD20mode need to reset(to bypass mode) when filled FIFObuffor.
int updateFIFO (void)
 Update FIFO status.

Data Fields

anglerrates value
 latest angler rates
FIFOstatus status
 Type of status is enum "FIFOstatus". cause of interruption(none,empty,watermark,overrun)
int level
 FIFO buffer level.

Detailed Description

L3GD20(SPI) class.

This is the L3GD20 class. 

#include "mbed.h"
#include "L3GD20.h"

Serial pc(USBTX,USBRX);//tx,rx
L3GD20 L3GD20(p11,p12,p13,p14,p15);//miso,mosi,sck,cs,interrupt

void interruption(anglerrates *val)
{
    printf("X:%+05d\tY:%+05d\tZ:%+05d level:%02d\r\n",(val->X),(val->Y),(val->Z),(L3GD20.FIFO.level));
}
int main()
{
    L3GD20.start(L3GD20::XYZ,&interruption);
    while(1) {
        sleep();
    }
}

Definition at line 28 of file L3GD20.h.

Member Enumeration Documentation

enum DIRECTION

enable direction
Example...L3GD20::XY,L3GD20::XYZ

Definition at line 39 of file L3GD20.h.

enum FIFO_mode

FIFO mode
Example...L3GD20::FIFOmode
See Datasheet 4.2_FIFO(p.16/44)

Definition at line 53 of file L3GD20.h.

enum FIFOstatus

FIFO status for cause of interruption
Example...L3GD20::watermark
See Datasheet 7.4_CTRL_REG3(p.33/44)

Definition at line 61 of file L3GD20.h.

Member Function Documentation

void enableFIFO ( FIFO_mode  mode,
FIFOstatus  interrupt,
const int  threshold = 0 
)

L3GD20mode need to reset(to bypass mode) when filled FIFObuffor.

Parameters:
modeFIFOmode(L3GD20::BYPASSmode,FIFOmode,STREAMmode,STREAMtoFIFOmode,BYPASStoSTREAMmode)
interruptcause of interrupt(L3GD20::none,empty,watermark,overrun)
thresholdinterruption threshold(1 to 30 vaild)

Definition at line 118 of file L3GD20.cpp.

void read ( anglerrates *  val,
DIRECTION  direction 
)

read angler rates with direction(L3GD20::XY)
This is read and calcurate dps, reading value is set to class instanse

Definition at line 79 of file L3GD20.cpp.

int readTemperature (  )

read temperature without format (I don't know meaning of value.)

Definition at line 113 of file L3GD20.cpp.

void sleep (  )

sleep command send

Definition at line 69 of file L3GD20.cpp.

void start ( DIRECTION  enable,
void(*)(anglerrates *)  func 
)

Start with interrupt.

Parameters:
enableL3GD20 channel
funcuser function(call by InterrtptIn)

Definition at line 47 of file L3GD20.cpp.

void start ( DIRECTION  enable )

Start command send to module.

Parameters:
enable

Definition at line 35 of file L3GD20.cpp.

void stop (  )

stop sampling command send

Definition at line 64 of file L3GD20.cpp.

int updateFIFO ( void   )

Update FIFO status.

Returns:
FIFO buffer level

Definition at line 142 of file L3GD20.cpp.

Field Documentation

int level

FIFO buffer level.

Definition at line 69 of file L3GD20.h.

FIFOstatus status

Type of status is enum "FIFOstatus". cause of interruption(none,empty,watermark,overrun)

Definition at line 68 of file L3GD20.h.

anglerrates value

latest angler rates

Definition at line 141 of file L3GD20.h.

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