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Added binary dump of manufacturer specific data

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This commit is contained in:
Stefan Wahren 2012-04-07 18:44:48 +02:00
parent b748a0f71a
commit 6a2a27328c
2 changed files with 43 additions and 18 deletions
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47
mbus/mbus-protocol.c
View File

@ -560,6 +560,33 @@ mbus_data_str_decode(u_char *dst, const u_char *src, size_t len)
}
}
//------------------------------------------------------------------------------
///
/// Decode binary data.
///
//------------------------------------------------------------------------------
void
mbus_data_bin_decode(u_char *dst, const u_char *src, size_t len, size_t max_len)
{
size_t i, pos;
i = 0;
pos = 0;
while((i < len) && ((pos+3) < max_len)) {
pos += snprintf(&dst[pos], max_len - pos, "%.2X ", src[i]);
i++;
}
if (pos > 0)
{
// remove last space
pos--;
}
dst[pos] = '\0';
}
//------------------------------------------------------------------------------
///
/// Decode time data (usable for type f = 4 bytes or type g = 2 bytes)
@ -1720,7 +1747,7 @@ mbus_vib_unit_lookup(mbus_value_information_block *vib)
const char *
mbus_data_record_decode(mbus_data_record *record)
{
static char buff[256];
static char buff[768];
u_char vif, vife;
// ignore extension bit
@ -1903,7 +1930,7 @@ mbus_data_record_decode(mbus_data_record *record)
case 0x0F: // special functions
snprintf(buff, sizeof(buff), "Special functions");
mbus_data_bin_decode(buff, record->data, record->data_len, sizeof(buff));
break;
case 0x0D: // variable length
@ -1949,7 +1976,7 @@ mbus_data_record_unit(mbus_data_record *record)
const char *
mbus_data_record_value(mbus_data_record *record)
{
static char buff[128];
static char buff[768];
if (record)
{
@ -2790,7 +2817,7 @@ char *
mbus_data_variable_header_xml(mbus_data_variable_header *header)
{
static char buff[8192];
char str_encoded[256];
char str_encoded[768];
size_t len = 0;
int val;
@ -2828,7 +2855,7 @@ mbus_data_variable_xml(mbus_data_variable *data)
{
mbus_data_record *record;
static char buff[8192];
char str_encoded[256];
char str_encoded[768];
size_t len = 0;
size_t i;
@ -2840,33 +2867,29 @@ mbus_data_variable_xml(mbus_data_variable *data)
for (record = data->record, i = 0; record; record = record->next, i++)
{
len += snprintf(&buff[len], sizeof(buff) - len, " <DataRecord id=\"%zd\">\n", i);
if (record->drh.dib.dif == 0x0F) //MBUS_DIB_DIF_VENDOR_SPECIFIC)
{
len += snprintf(&buff[len], sizeof(buff) - len, " <DataRecord id=\"%zd\">\n", i);
len += snprintf(&buff[len], sizeof(buff) - len, " <Function>Manufacturer specific</Function>\n");
len += snprintf(&buff[len], sizeof(buff) - len, " </DataRecord>\n\n");
}
else if (record->drh.dib.dif == 0x1F)
{
len += snprintf(&buff[len], sizeof(buff) - len, " <DataRecord id=\"%zd\">\n", i);
len += snprintf(&buff[len], sizeof(buff) - len, " <Function>More records follow</Function>\n");
len += snprintf(&buff[len], sizeof(buff) - len, " </DataRecord>\n\n");
}
else
{
len += snprintf(&buff[len], sizeof(buff) - len, " <DataRecord id=\"%zd\">\n", i);
mbus_str_xml_encode(str_encoded, mbus_data_record_function(record), sizeof(str_encoded));
len += snprintf(&buff[len], sizeof(buff) - len, " <Function>%s</Function>\n", str_encoded);
mbus_str_xml_encode(str_encoded, mbus_data_record_unit(record), sizeof(str_encoded));
len += snprintf(&buff[len], sizeof(buff) - len, " <Unit>%s</Unit>\n", str_encoded);
}
mbus_str_xml_encode(str_encoded, mbus_data_record_value(record), sizeof(str_encoded));
len += snprintf(&buff[len], sizeof(buff) - len, " <Value>%s</Value>\n", str_encoded);
len += snprintf(&buff[len], sizeof(buff) - len, " </DataRecord>\n\n");
}
}
len += snprintf(&buff[len], sizeof(buff) - len, "</MBusData>\n");

2
mbus/mbus-protocol.h
View File

@ -519,6 +519,8 @@ void mbus_data_tm_decode(struct tm *t, u_char *t_data, size_t t_data_size);
void mbus_data_str_decode(u_char *dst, const u_char *src, size_t len);
void mbus_data_bin_decode(u_char *dst, const u_char *src, size_t len, size_t max_len);
const char *mbus_data_fixed_medium(mbus_data_fixed *data);
const char *mbus_data_fixed_unit(int medium_unit_byte);
const char *mbus_data_variable_medium_lookup(u_char medium);