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C++ objects and CMake build system for Parallax Propeller
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Simple Libraries
Utility
libsimpletools
source
eeprom_getFloat.c
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/*
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* @file eeprom.c
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*
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* @author Andy Lindsay
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*
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* @version 0.85
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*
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* @copyright Copyright (C) Parallax, Inc. 2013. See end of file for
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* terms of use (MIT License).
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*
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* @brief eeprom functions source, see simpletools.h for documentation.
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*
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* @detail Please submit bug reports, suggestions, and improvements to
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* this code to editor@parallax.com.
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*/
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#include "
simpletools.h
"
// simpletools function prototypes
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i2c
*
st_eeprom
;
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int
st_eeInitFlag
;
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void
ee_init();
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float
ee_getFloat32
(
int
addr)
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{
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if
(!
st_eeInitFlag
) ee_init();
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//int value = 0;
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unsigned
char
value[4] = {0, 0, 0, 0};
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// unsigned char addrArray[] = {(char)(addr >> 8), (char)(addr & 0xFF)};
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// i2c_in(st_eeprom, 0xA0, addrArray, 2, value, 4);
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i2c_in
(
st_eeprom
, 0x50, addr, 2, value, 4);
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float
fpVal;
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memcpy(&fpVal, &value,
sizeof
value);
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return
fpVal;
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}
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i2c_in
HUBTEXT int i2c_in(i2c *busID, int i2cAddr, int memAddr, int memAddrCount, unsigned char *data, int dataCount)
Receive data from device using I2C protocol.
Definition:
i2c_in.c:20
st_eeprom
i2c * st_eeprom
The busID for the Propeller Activity Board's EEPROM bus.
Definition:
accel_shaken.c:9
simpletools.h
This library provides convenient functions for a variety of microcontroller I/O, timing,...
i2c_st
Definition:
simplei2c.h:25
st_eeInitFlag
int st_eeInitFlag
Initialization flag used by ee_ functions.
Definition:
accel_shaken.c:10
ee_getFloat32
float ee_getFloat32(int addr)
Fetch a 32-bit precision floating point value from a certain address in the Propeller Chip's dedicate...
Definition:
eeprom_getFloat.c:24
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