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//=============================================================================
// Project: SIMpad
//=============================================================================
// FILE-NAME: main.cpp
// FUNCTION: Serial download of a new image from PC to SIMpad
//
// AUTHOR: Juergen Messerer, Peter Voser
// CREAT.-DATE: 01.04.2001 (dd.mm.yy)
//
// NOTES: -
//
//=============================================================================
#include <unistd.h>
#include <iostream>
#include <string.h>
#include "serialdownload.h"
using namespace std;
const int STRING_LENGTH = 128;
//=============================================================================
//=============================================================================
void printHelp(void)
{
cout << "serload V1.0 for Linux " << endl;
cout << "Downloading a new image to the SIMpad "
<< "using the serial interface." << endl << endl;
cout << "Invocation: serload [IMAGEFILE] [ttyS-PORT]" << endl;
cout << "IMAGEFILE: the file with the new image prepared for the"
<< " SIMpad Bootloader."
<< endl;
cout << "ttyS-PORT: number of the ttyS-Port for the download."
<< endl;
cout << "Note: ttyS0 = COM1, ttyS1 = COM2, ..." << endl << endl;
}
//=============================================================================
//=============================================================================
int main(int argc, char *argv[])
{
int i;
for(i = 0; i < argc; ++i)
{
if(strcmp(argv[i], "--help") == 0)
{
// The user asks for help.
printHelp();
exit(0);
}
}
if(argc != 3 && argc != 2)
{
cerr << endl << "Usage: serload [IMAGEFILE] [ttyS-PORT]" << endl;
cerr << "See also \"serload --help\"!" << endl << endl;
exit(1);
}
char device[STRING_LENGTH];
if(argc == 3)
{
strcpy(device, "/dev/ttyS");
strcat(device, argv[2]);
}
else
{
// If no serial port is given, use ttyS0 as default.
strcpy(device, "/dev/ttyS0");
}
SerialDownload serload;
int myError, imagesize;
static char *image;
int success = serload.openSerialPort(device, myError);
if(success != 0)
{
cerr << "Error: cannot open " << device << ". Aborting."
<< endl << endl;
exit(2);
}
myError = serload.loadFile(argv[1], image, imagesize);
if(myError != 0)
{
cerr << "Error: cannot load file "
<< argv[1] << "! Aborting." << endl << endl;
exit(3);
}
cout << "Please press RESET at the back of the SIMpad!" << endl;
int reply = serload.connectToSimpad(115200, myError);
if(reply != 0)
{
cerr << "Error: cannot connect to SIMpad! Aborting."
<< endl << endl;
exit(4);
}
// Determine number of blocks to send without remaining bytes!
int progress = 0;
int size = imagesize;
int totalBlocks = size / 512;
int numberOfBlocksToSend = totalBlocks;
int numberOfBlocksSent = 0;
// Send blocks.
while(numberOfBlocksToSend)
{
serload.sendBlock(image, 512, myError);
image += 512;
--numberOfBlocksToSend;
// Update progress info every 100th block.
if(!(numberOfBlocksSent % 100))
{
progress = 100 * numberOfBlocksSent / totalBlocks;
}
++numberOfBlocksSent;
}
// Determine, if there are remaining bytes.
int numberOfRemainingBytes = size % 512;
if(numberOfRemainingBytes)
{
serload.sendBlock(image, numberOfRemainingBytes, myError);
}
// The bootloader burns the new image.
serload.waitForEndOfBurning();
cout << "Update successfully finished! Swich the SIMpad on." << endl;
return 0;
}
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