Subversion Repositories svnkaklik

Compare Revisions

No changes between revisions

Ignore whitespace Rev 408 → Rev 409

/programy/avr32/BoardController/BoardController
Cannot display: file marked as a binary type.
svn:mime-type = application/octet-stream
Property changes:
Added: svn:mime-type
+application/octet-stream
\ No newline at end of property
/programy/avr32/BoardController/BoardController.cpp
0,0 → 1,176
/*****************************************************************************/
/*
* BoardController.cpp - communication with NGW100 Board controller
*
* Copyright (C) 2007 Karel Hojdar
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*
*
* Revision history
* 15.06.2007 1.0 Initial release
*/
/*****************************************************************************/
 
#include <iostream>
 
#include <getopt.h>
#include <errno.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "linux/i2c-dev.h"
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
 
using namespace std;
 
static char* version = "BoardController, version 0.1";
 
static char* help = "Usage: BoardController [OPTION]\n -I\t\tshow ID\n -M\t\tshow model\n -R\t\tshow revision\n -S\t\tshow serial no.\n -T\t\tshow temperature\n\n";
 
#define I2C_SLAVE 0x0703 /* Change slave address */
#define I2C_RDWR 0x0707 /* Combined R/W transfer (one stop only)*/
 
#define BC_Addr 0x0B
 
void DoExit(int ex)
{
exit(ex);
}
 
unsigned char xfunc[5] = {0x99, 0x9A, 0x9B, 0x9E, 0x8D};
unsigned char xlen[5] = {8, 6, 1, 15, 2};
 
int main(int argc, char *argv[], char *envp[])
{
char *progname;
int c, func = 0, Len;
int i2cbus = 0;
char filename[20], Buf[64];
int file;
 
progname = strrchr(argv[0], '/');
progname = progname ? progname + 1 : argv[0];
 
while ((c = getopt (argc, argv, "IiMmRrSsTth")) != -1)
switch (c)
{
case 'I':
case 'i':
func = 0;
break;
 
case 'M':
case 'm':
func = 1;
break;
 
case 'R':
case 'r':
func = 2;
break;
 
case 'S':
case 's':
func = 3;
break;
 
case 'T':
case 't':
func = 4;
break;
 
case 'h':
printf ("%s\n%s", version, help);
return 1;
 
case '?':
printf ("Unknown option `-%c', try %s -h.\n", optopt,progname);
return 1;
}
 
sprintf(filename, "/dev/i2c-%d", i2cbus);
file = open(filename, O_RDWR);
 
if (file < 0)
{
cerr << "Could not open /dev/i2c-0." << endl;
return -1;
}
 
if (ioctl(file, I2C_SLAVE, BC_Addr) == -1)
{
fprintf(stderr, "Failed to set address to 0x%02x.\n", BC_Addr);
DoExit(-2);
}
 
int Loops = 0;
 
do
{
Buf[0] = xfunc[func];
if ( write(file, Buf, 1) != 1)
{
fprintf(stderr, "Failed to write byte to address to 0x%02x, errno %i.\n", BC_Addr, errno);
DoExit(-3);
}
 
if (read(file, Buf, 1) != 1)
{
fprintf(stderr, "Failed to read response length, errno %i.\n", errno);
DoExit(-4);
}
 
Len = Buf[0];
if (read(file, Buf, Len) != Len)
{
fprintf(stderr, "Failed to read response, errno %i.\n", errno);
DoExit(-5);
}
 
Loops++;
} while (Len != xlen[func]);
 
if (Loops > 1)
fprintf(stderr, "After %i attempts got: \n", Loops);
 
switch (func)
{
case 0:
Buf[Len] = 0x00;
fprintf(stdout, "Board ID is %s.\n", Buf);
break;
case 1:
Buf[Len] = 0x00;
fprintf(stdout, "Model of the board is %s.\n", Buf);
break;
case 2:
fprintf(stdout, "Revision of the board is 0x%02X.\n", Buf[0]);
break;
case 3:
Buf[Len] = 0x00;
fprintf(stdout, "Serial number of the board is %s.\n", Buf);
break;
case 4:
fprintf(stdout, "Temperature is %i or %i.\n", (Buf[0] << 8) + Buf[1], (Buf[1] << 8) + Buf[0]);
break;
 
}
 
close(file);
 
return 0;
}
/programy/avr32/BoardController/Makefile
0,0 → 1,17
TARGET=BoardController.elf
#OBJECTS=BoardController.o
CC=avr32-linux-c++
CFLAGS=-Wall -g # warnings, debugging symbols
LDFLAGS=
LIBS=
 
.PHONY: all
all: $(TARGET)
 
$(TARGET): $(OBJECTS)
$(CC) $(LDFLAGS) -o $@ $^ $(LIBS)
 
.PHONY: clean
clean:
-$(RM) $(TARGET) $(OBJECTS)