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Data types for phy_read.

This commit is contained in:
Florian Pose 2009-04-08 12:10:01 +00:00
parent 9483b8e1ae
commit 848ccb3bed
2 changed files with 128 additions and 16 deletions
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136
tool/CommandPhyRead.cpp
View File

@ -46,7 +46,7 @@ string CommandPhyRead::helpString() const
{
stringstream str;
str << getName() << " [OPTIONS] <OFFSET> <LENGTH>" << endl
str << getName() << " [OPTIONS] <OFFSET> [LENGTH]" << endl
<< endl
<< getBriefDescription() << endl
<< endl
@ -57,12 +57,19 @@ string CommandPhyRead::helpString() const
<< " be an unsigned 16 bit number." << endl
<< " LENGTH is the number of bytes to read and must also be" << endl
<< " an unsigned 16 bit number. OFFSET plus LENGTH" << endl
<< " may not exceed 64k." << endl
<< " may not exceed 64k. The length is ignored (and" << endl
<< " can be omitted), if a selected data type" << endl
<< " implies a length." << endl
<< endl
<< "These are the valid data types:" << endl
<< " int8, int16, int32, int64, uint8, uint16, uint32," << endl
<< " uint64, string, octet_string, raw." << endl
<< endl
<< "Command-specific options:" << endl
<< " --alias -a <alias>" << endl
<< " --position -p <pos> Slave selection. See the help of" << endl
<< " the 'slaves' command." << endl
<< " --type -t <type> Data type (see above)." << endl
<< endl
<< numericInfo();
@ -75,11 +82,11 @@ void CommandPhyRead::execute(MasterDevice &m, const StringVector &args)
{
SlaveList slaves;
ec_ioctl_slave_phy_t data;
stringstream strOffset, strLength, err;
uint16_t i;
stringstream strOffset, err;
const DataType *dataType = NULL;
if (args.size() != 2) {
err << "'" << getName() << "' takes two arguments!";
if (args.size() < 1 || args.size() > 2) {
err << "'" << getName() << "' takes one or two arguments!";
throwInvalidUsageException(err);
}
@ -92,17 +99,41 @@ void CommandPhyRead::execute(MasterDevice &m, const StringVector &args)
throwInvalidUsageException(err);
}
strLength << args[1];
strLength
>> resetiosflags(ios::basefield) // guess base from prefix
>> data.length;
if (strLength.fail()) {
err << "Invalid length '" << args[1] << "'!";
throwInvalidUsageException(err);
if (args.size() > 1) {
stringstream strLength;
strLength << args[1];
strLength
>> resetiosflags(ios::basefield) // guess base from prefix
>> data.length;
if (strLength.fail()) {
err << "Invalid length '" << args[1] << "'!";
throwInvalidUsageException(err);
}
if (!data.length) {
err << "Length may not be zero!";
throwInvalidUsageException(err);
}
} else { // no length argument given
data.length = 0;
}
if (!getDataType().empty()) {
if (!(dataType = findDataType(getDataType()))) {
err << "Invalid data type '" << getDataType() << "'!";
throwInvalidUsageException(err);
}
if (dataType->byteSize) {
// override length argument
data.length = dataType->byteSize;
}
}
if (!data.length) {
return;
err << "The length argument is mandatory, if no datatype is " << endl
<< "specified, or the datatype does not imply a length!";
throwInvalidUsageException(err);
}
if ((uint32_t) data.offset + data.length > 0xffff) {
@ -127,11 +158,84 @@ void CommandPhyRead::execute(MasterDevice &m, const StringVector &args)
throw e;
}
for (i = 0; i < data.length; i++) {
cout << data.data[i];
cout << setfill('0');
if (!dataType ||
dataType->name == "string" ||
dataType->name == "octet_string") {
uint16_t i;
for (i = 0; i < data.length; i++) {
cout << data.data[i];
}
} else if (dataType->name == "int8") {
int sval = *(int8_t *) data.data;
cout << sval << " 0x" << hex << setw(2) << sval << endl;
} else if (dataType->name == "int16") {
int sval = le16_to_cpup(data.data);
cout << sval << " 0x" << hex << setw(4) << sval << endl;
} else if (dataType->name == "int32") {
int sval = le32_to_cpup(data.data);
cout << sval << " 0x" << hex << setw(8) << sval << endl;
} else if (dataType->name == "int64") {
long long int sval = le64_to_cpup(data.data);
cout << sval << " 0x" << hex << setw(16) << sval << endl;
} else if (dataType->name == "uint8") {
unsigned int uval = (unsigned int) *(uint8_t *) data.data;
cout << uval << " 0x" << hex << setw(2) << uval << endl;
} else if (dataType->name == "uint16") {
unsigned int uval = le16_to_cpup(data.data);
cout << uval << " 0x" << hex << setw(4) << uval << endl;
} else if (dataType->name == "uint32") {
unsigned int uval = le32_to_cpup(data.data);
cout << uval << " 0x" << hex << setw(8) << uval << endl;
} else if (dataType->name == "uint64") {
long long unsigned int uval = le32_to_cpup(data.data);
cout << uval << " 0x" << hex << setw(8) << uval << endl;
} else {
uint8_t *d = data.data;
unsigned int size = data.length;
cout << hex << setfill('0');
while (size--) {
cout << "0x" << setw(2) << (unsigned int) *d++;
if (size)
cout << " ";
}
cout << endl;
}
delete [] data.data;
}
/****************************************************************************/
const CommandPhyRead::DataType *CommandPhyRead::findDataType(
const string &str
)
{
const DataType *d;
for (d = dataTypes; d->name; d++)
if (str == d->name)
return d;
return NULL;
}
/****************************************************************************/
const CommandPhyRead::DataType CommandPhyRead::dataTypes[] = {
{"int8", 1},
{"int16", 2},
{"int32", 4},
{"int64", 8},
{"uint8", 1},
{"uint16", 2},
{"uint32", 4},
{"uint64", 8},
{"string", 0},
{"octet_string", 0},
{"raw", 0},
{}
};
/*****************************************************************************/

8
tool/CommandPhyRead.h
View File

@ -42,6 +42,14 @@ class CommandPhyRead:
string helpString() const;
void execute(MasterDevice &, const StringVector &);
private:
struct DataType {
const char *name;
unsigned int byteSize;
};
static const DataType dataTypes[];
static const DataType *findDataType(const string &);
};
/****************************************************************************/