tool/CommandPhyRead.cpp
author Florian Pose <fp@igh-essen.com>
Thu, 09 Oct 2008 09:31:23 +0000
changeset 1251 3c3f8cb76748
parent 1200 ce1a65f06efc
child 1363 11c0b2caa253
permissions -rw-r--r--
Added e100 driver for kernel 2.6.26 basically provided by Mario
Witkowski.
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/*****************************************************************************
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 *
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 * $Id$
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 *
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 ****************************************************************************/
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#include <iostream>
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#include <iomanip>
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using namespace std;
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#include "CommandPhyRead.h"
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/*****************************************************************************/
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CommandPhyRead::CommandPhyRead():
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    Command("phy_read", "Output a slave's physical memory contents.")
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{
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}
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/*****************************************************************************/
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string CommandPhyRead::helpString() const
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{
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    stringstream str;
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    str << getName() << " [OPTIONS] <OFFSET> <LENGTH>" << endl
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    	<< endl
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    	<< getBriefDescription() << endl
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    	<< endl
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        << "This command requires a single slave to be selected." << endl
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    	<< endl
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        << "Arguments:" << endl
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        << "  OFFSET is the physical memory address. Must" << endl
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        << "         be an unsigned 16 bit number." << endl
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        << "  LENGTH is the number of bytes to read and must also be" << endl
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        << "         an unsigned 16 bit number. OFFSET plus LENGTH" << endl
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        << "         may not exceed 64k." << endl
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        << endl
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    	<< "Command-specific options:" << endl
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        << "  --alias    -a <alias>" << endl
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        << "  --position -p <pos>    Slave selection. See the help of" << endl
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        << "                         the 'slaves' command." << endl
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    	<< endl
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		<< numericInfo();
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	return str.str();
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}
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/****************************************************************************/
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void CommandPhyRead::execute(MasterDevice &m, const StringVector &args)
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{
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    SlaveList slaves;
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    ec_ioctl_slave_phy_t data;
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    stringstream strOffset, strLength, err;
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    uint16_t i;
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    if (args.size() != 2) {
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        err << "'" << getName() << "' takes two arguments!";
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        throwInvalidUsageException(err);
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    }
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    strOffset << args[0];
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    strOffset
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        >> resetiosflags(ios::basefield) // guess base from prefix
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        >> data.offset;
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    if (strOffset.fail()) {
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        err << "Invalid offset '" << args[0] << "'!";
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        throwInvalidUsageException(err);
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    }
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    strLength << args[1];
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    strLength
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        >> resetiosflags(ios::basefield) // guess base from prefix
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        >> data.length;
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    if (strLength.fail()) {
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        err << "Invalid length '" << args[1] << "'!";
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        throwInvalidUsageException(err);
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    }
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    if (!data.length) {
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        return;
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    }
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    if ((uint32_t) data.offset + data.length > 0xffff) {
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        err << "Offset and length exceeding 64k!";
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        throwInvalidUsageException(err);
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    }
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    m.open(MasterDevice::Read);
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    slaves = selectedSlaves(m);
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    if (slaves.size() != 1) {
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        throwSingleSlaveRequired(slaves.size());
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    }
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    data.slave_position = slaves.front().position;
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    data.data = new uint8_t[data.length];
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	try {
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		m.readPhy(&data);
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	} catch (MasterDeviceException &e) {
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        delete [] data.data;
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		throw e;
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	}
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    for (i = 0; i < data.length; i++) {
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        cout << data.data[i];
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    }
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    delete [] data.data;
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}
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/*****************************************************************************/