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3.0.0.229
C++ objects and CMake build system for Parallax Propeller
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Simple Libraries
Utility
libsimpletools
source
eeprom_putStr.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 0.87
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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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void
ee_putStr
(
unsigned
char
*s,
int
n,
int
addr)
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{
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//unsigned char addrArray[2];
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if
(!
st_eeInitFlag
) ee_init();
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while
(n > 0)
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{
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//addrArray[0] = (char)(addr >> 8);
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//addrArray[1] = (char)(addr&0xFF);
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int
pageAddr = addr % 128;
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int
byteCnt = 128 - pageAddr;
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if
(byteCnt > n) byteCnt = n;
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//i2c_out(st_eeprom, 0xA0, addrArray, 2, s, byteCnt);
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i2c_out
(
st_eeprom
, 0x50, addr, 2, s, byteCnt);
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while
(
i2c_poll
(
st_eeprom
, 0xA0));
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n -= byteCnt;
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addr += byteCnt;
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s += byteCnt;
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}
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return
;
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}
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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,...
ee_putStr
void ee_putStr(unsigned char *s, int n, int addr)
Store a string of byte values starting at a certain address in the Propeller Chip's dedicated EEPROM.
Definition:
eeprom_putStr.c:25
i2c_poll
HUBTEXT int i2c_poll(i2c *bus, int devaddr)
Send i2c start and addr byte. Looks for ACK (0) or NACK (1). This is useful for checking if a device ...
Definition:
simplei2c.c:227
i2c_st
Definition:
simplei2c.h:25
st_eeInitFlag
int st_eeInitFlag
Initialization flag used by ee_ functions.
Definition:
accel_shaken.c:10
i2c_out
HUBTEXT int i2c_out(i2c *busID, int i2cAddr, int memAddr, int memAddrCount, const unsigned char *data, int dataCount)
Send data to device using I2C protocol.
Definition:
i2c_out.c:20
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