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libmma7455
gRangec.c
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/*
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* @file gRange.c
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*
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* @author Andy Lindsay
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*
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* @version 0.50
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*
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* @copyright
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* Copyright (C) Parallax, Inc. 2014. All Rights MIT Licensed.
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*
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* @brief Gets g acceleration range the Parallax MMA7455 3-Axis Accelerometer Module.
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*/
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#include "
simpletools.h
"
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#include "
mma7455.h
"
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int
MMA7455_pinDat
,
MMA7455_pinClk
,
MMA7455_pinEn
;
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int
MMA7455_gRangeVal;
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void
MMA7455_gRange
(
unsigned
char
range)
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{
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MMA7455_gRangeVal = range;
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range <<= 1;
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range &= 0b1100;
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unsigned
char
temp =
MMA7455_readByte
(
MMA7455_MCTL
);
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unsigned
int
mask = ~(0b11 << 2);
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temp &= mask;
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temp |= range;
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MMA7455_writeByte
(
MMA7455_MCTL
, (
unsigned
char
) temp);
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}
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MMA7455_MCTL
#define MMA7455_MCTL
Definition:
mma7455.h:137
MMA7455_writeByte
void MMA7455_writeByte(unsigned char address, unsigned char value)
write a byte value to an MMA7455 register
Definition:
writeByte.c:26
MMA7455_gRange
void MMA7455_gRange(unsigned char range)
Set the g measurement range to +/- 2, +/-4, or +/- 8 g.
Definition:
gRangec.c:23
simpletools.h
This library provides convenient functions for a variety of microcontroller I/O, timing,...
MMA7455_readByte
unsigned char MMA7455_readByte(unsigned char address)
Read a value from an MMA7455 register.
Definition:
readByte.c:27
MMA7455_pinEn
int MMA7455_pinEn
Definition:
getMode.c:19
MMA7455_pinDat
int MMA7455_pinDat
Definition:
getMode.c:19
mma7455.h
Simplifies reading Parallax MMA7455 3-Axis Accelerometer Module.
MMA7455_pinClk
int MMA7455_pinClk
Definition:
getMode.c:19
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