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sensor_info.tc
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sensor_info.tc
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#include "sensor_info.th"
#include "utils.th"
/*
* [BUS_ID.CHNL.SERIAL]
*/
static string
#if 0
_sect_name(iotype bus, byte chnl, void *serial)
{
string<32> res;
byte *pb = (byte *)serial;
byte i, l;
res = tohex(bus) + "." + tohex(chnl) + ".";
switch(bus) {
case IO_DC:
case IO_I2C:
l = 1;
break;
case IO_OW:
l = 8;
break;
case IO_RS485:
l = 4;
break;
default:
l = 0;
break;
}
for(i=0; i!=l; ++i)
res += tohex(pb[i]);
return "["+res+"]";
}
#else
_sect_name(sensor_id sid)
{
return "[#" + str(sid) + "#]\r\n";
}
#endif
static string
_sensor_info_get(sensor_id sid) //iotype bus, byte chnl, void *serial)
{
string<32> n;
dword pos;
if(!open_always(FILENO_SENSOR_NAMES, SENSOR_INFO_FILENAME))
return "";
n = _sect_name(sid);
//n = _sect_name(bus, chnl, serial) + "\r\n";
pos = fd.find(1, n, 1, FORWARD, 1, PL_FD_FIND_EQUAL);
if(fd.laststatus != PL_FD_STATUS_OK)
return "";
if(pos == 0)
return "";
fd.setpointer(pos + len(n));
pos = fd.find(pos, "\0", 1, FORWARD, 1, PL_FD_FIND_EQUAL);
if(fd.laststatus != PL_FD_STATUS_OK)
return "";
if(pos == 0)
pos = fd.filesize;
return fd.getdata(pos - fd.pointer);
}
string
sensor_info_get(sensor_id sid) //iotype bus, byte chnl, void *serial)
{
byte fn;
string res;
fn = fd.filenum;
res = _sensor_info_get(sid);
fd.filenum = fn;
return res;
}
void
sensor_info_set(sensor_id sid, string& info) //iotype bus, byte chnl, void *serial, string& info)
{
string<32> n;
string<65> tmp;
dword pos;
byte l;
if(!open_always(FILENO_SENSOR_NAMES, SENSOR_INFO_FILENAME))
return;
l = len(info);
if(l > 64)
tmp = left(info, 64) ;
else if(l < 64)
tmp = info + strgen(64-l, "\0");
tmp += "\0";
//n = _sect_name(bus, chnl, serial) + "\r\n";
n = _sect_name(sid);
pos = fd.find(1, n, 1, FORWARD, 1, PL_FD_FIND_EQUAL);
if(fd.laststatus != PL_FD_STATUS_OK)
return;
if(0 == pos) {
fd.setpointer(fd.filesize);
fd.setdata(n);
} else {
fd.setpointer(pos + len(n));
}
fd.setdata(tmp);
}