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Add a function to calculate the manufacturer ID from the 3 byte ASCII

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code. The formula can be found at http://www.m-bus.com/files/w4b21021.pdf,
chapter 3.3 at page 6.

This obsoletes the static defines, so remove them.

Signed-off-by: Michael Heimpold <mhei@heimpold.de>
This commit is contained in:
Michael Heimpold
2014-01-18 13:44:01 +01:00
parent 0102dc6ae5
commit 0fccc0e337
2 changed files with 39 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
mbus/mbus-protocol.c
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@ -21,6 +21,21 @@ static char error_str[512];
#define NITEMS(x) (sizeof(x)/sizeof(x[0]))
//------------------------------------------------------------------------------
// Return the manufacturer ID according to the manufacturer's 3 byte ASCII code
//------------------------------------------------------------------------------
unsigned int
mbus_manufacturer_id(char *manufacturer)
{
unsigned int id;
id = (toupper(manufacturer[0]) - 64) * 32 * 32 +
(toupper(manufacturer[1]) - 64) * 32 +
(toupper(manufacturer[2]) - 64);
return id;
}
//------------------------------------------------------------------------------
// internal data
//------------------------------------------------------------------------------
@ -809,7 +824,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
{
manufacturer = (header->manufacturer[1] << 8) + header->manufacturer[0];
if (manufacturer == MBUS_VARIABLE_DATA_MAN_ACW)
if (manufacturer == mbus_manufacturer_id("ACW"))
{
switch (header->version)
{
@ -833,7 +848,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_EFE)
else if (manufacturer == mbus_manufacturer_id("EFE"))
{
switch (header->version)
{
@ -845,7 +860,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_ELV)
else if (manufacturer == mbus_manufacturer_id("ELV"))
{
switch (header->version)
{
@ -875,7 +890,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_GMC)
else if (manufacturer == mbus_manufacturer_id("GMC"))
{
switch (header->version)
{
@ -884,7 +899,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_SLB)
else if (manufacturer == mbus_manufacturer_id("SLB"))
{
switch (header->version)
{
@ -896,7 +911,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_HYD)
else if (manufacturer == mbus_manufacturer_id("HYD"))
{
switch (header->version)
{
@ -905,7 +920,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_LUG)
else if (manufacturer == mbus_manufacturer_id("LUG"))
{
switch (header->version)
{
@ -923,7 +938,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_RAM)
else if (manufacturer == mbus_manufacturer_id("RAM"))
{
switch (header->version)
{
@ -932,7 +947,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_RKE)
else if (manufacturer == mbus_manufacturer_id("RKE"))
{
switch (header->version)
{
@ -941,7 +956,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_SVM)
else if (manufacturer == mbus_manufacturer_id("SVM"))
{
switch (header->version)
{
@ -953,7 +968,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_SON)
else if (manufacturer == mbus_manufacturer_id("SON"))
{
switch (header->version)
{
@ -962,7 +977,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_LSE)
else if (manufacturer == mbus_manufacturer_id("LSE"))
{
switch (header->version)
{
@ -971,7 +986,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_SEN)
else if (manufacturer == mbus_manufacturer_id("SEN"))
{
switch (header->version)
{
@ -980,7 +995,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_SPX)
else if (manufacturer == mbus_manufacturer_id("SPX"))
{
switch (header->version)
{
@ -990,7 +1005,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_ELS)
else if (manufacturer == mbus_manufacturer_id("ELS"))
{
switch (header->version)
{
@ -999,7 +1014,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_NZR)
else if (manufacturer == mbus_manufacturer_id("NZR"))
{
switch (header->version)
{
@ -1008,7 +1023,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_KAM)
else if (manufacturer == mbus_manufacturer_id("KAM"))
{
switch (header->version)
{
@ -1020,7 +1035,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_EMH)
else if (manufacturer == mbus_manufacturer_id("EMH"))
{
switch (header->version)
{
@ -1029,7 +1044,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_TCH)
else if (manufacturer == mbus_manufacturer_id("TCH"))
{
switch (header->version)
{
@ -1038,7 +1053,7 @@ mbus_data_product_name(mbus_data_variable_header *header)
break;
}
}
else if (manufacturer == MBUS_VARIABLE_DATA_MAN_ZRM)
else if (manufacturer == mbus_manufacturer_id("ZRM"))
{
switch (header->version)
{