void applet_send_beacon(m2session* session) {
{ //open request for broadcast
otapi_open_request(ADDR_broadcast, NULL);
}
{ //use a command template for collection of single file from single file search
ot_u8 status;
command_tmpl command;
command.opcode = (ot_u8)CMD_announce_file;
command.type = (ot_u8)CMDTYPE_na2p_request;
command.extension = (ot_u8)CMDEXT_no_response;
otapi_put_command_tmpl(&status, &command);
}
{ //write the dialog information (timeout, channels to use)
ot_u8 status;
dialog_tmpl dialog;
dialog.channels = 0; //use same channel as request for response
dialog.timeout = 0; //0 tick response timeout (1 tick = 0,977 ms)
otapi_put_dialog_tmpl(&status, &dialog);
}
{ //write the ISF return data (note: use isfcall template)
ot_u8 status;
isfcall_tmpl isfcall;
isfcall.is_series = False;
isfcall.isf_id = ISF_ID(network_settings);
isfcall.max_return = ISF_LEN(network_settings);
isfcall.offset = 0;
otapi_put_isf_return(&status, &isfcall);
}
//Done building command, close the request and send the dialog
otapi_close_request();
}
void applet_send_query(m2session* session) {
/// The C-API for building commands can be bypassed in favor of directly
/// putting data to the queue. That way is more efficient, but it also requires
/// you to know more about DASH7 than just what order the templates should be.
///
/// The query that we build will collect sensor configuration data back from
/// all devices that support the sensor protocol. Much more interesting queries
/// are possible.
ot_u8 status;
{ //open request for single hop anycast query
routing_tmpl routing;
routing.hop_code = 0;
otapi_open_request(ADDR_anycast, &routing);
}
{ //use a command template for collection of single file from single file search
command_tmpl command;
command.opcode = (ot_u8)CMD_udp_on_file;
command.type = (ot_u8)CMDTYPE_na2p_request;
command.extension = (ot_u8)CMDEXT_none;
otapi_put_command_tmpl(&status, &command);
}
{ //write the dialog information (timeout, channels to use)
dialog_tmpl dialog;
dialog.channels = 0; //use same channel as request for response
dialog.timeout = 0x41; //same as otutils_encode_timeout(512) -- 512 tick response slot
otapi_put_dialog_tmpl(&status, &dialog);
}
{ //write the query to search for the sensor protocol id
static const ot_u8 query_str[10] = "APP=PongLT";
query_tmpl query;
query.code = M2QC_COR_SEARCH + 10; // do a 100% length=10 correlation search
query.mask = NULL; // don't do any masking (no partial matching)
query.length = 10; // query_str is 10 bytes
query.value = (ot_u8*)query_str;
otapi_put_query_tmpl(&status, &query);
}
{ //put in the information of the file to search (the user id)
isfcomp_tmpl isfcomp;
isfcomp.is_series = False;
isfcomp.isf_id = ISF_ID(user_id);
isfcomp.offset = 0;
otapi_put_isf_comp(&status, &isfcomp);
}
{ //put in UDP ports (from 254 to 255) and Ping ID
q_writebyte(&txq, 254);
q_writebyte(&txq, 255);
q_writeshort(&txq, app.pingval);
}
//Done building command, close the request and send the dialog
otapi_close_request();
}
void sub_build_uhfmsg(ot_int* buffer) {
/// This is the routine that builds the DASH7 UDP generic protocol message.
/// The protocol has data elements marked by a letter (T, V, R, E, D) that
/// signify Temperature, Voltage, RSSI (LF), PaLFi wake Event, and RX Data.
/// The elements are fixed/known length.
command_tmpl c_tmpl;
ot_u8* data_start;
ot_u8 status;
// Broadcast request (takes no 2nd argument)
otapi_open_request(ADDR_broadcast, NULL);
// Insert Transport-Layer headers
c_tmpl.type = CMDTYPE_na2p_request;
c_tmpl.opcode = CMD_udp_on_file;
c_tmpl.extension= CMDEXT_no_response;
otapi_put_command_tmpl(&status, &c_tmpl);
otapi_put_dialog_tmpl(&status, NULL); // NULL = defaults
// UDP Header
q_writebyte(&txq, 255); // Source Port: 255 (custom application port)
q_writebyte(&txq, 255); // Destination Port (same value)
data_start = txq.putcursor;
// Place temperature data
q_writebyte(&txq, 'T');
q_writeshort(&txq, buffer[0]);
// Place Voltage data
q_writebyte(&txq, 'V');
q_writeshort(&txq, buffer[1]);
// Place RSSI data
q_writebyte(&txq, 'R');
q_writeshort(&txq, radio.last_rssi);
// Store this information into the Port 255 file for continuous, automated
// reporting by DASH7/OpenTag until it is updated next time. The length of
// this information is always 6 bytes.
{
vlFILE* fp;
fp = ISF_open_su(255);
if (fp != NULL) {
vl_store(fp, 6, data_start);
vl_close(fp);
}
}
// Finish Message
otapi_close_request();
}
ot_bool applet_beacon_discovery() {
{ //create a new session (it will get copied to session stack)
session_tmpl session;
session.channel = 0x00;
session.flagmask = 0;
session.flags = 0;
session.subnet = 0;
session.subnetmask = 0;
session.timeout = 16;
otapi_new_session(&session, NULL);
}
{ //open request for broadcast
otapi_open_request(ADDR_broadcast, NULL);
}
{ //use a command template for collection of single file from single file search
ot_u8 status;
command_tmpl command;
command.opcode = (ot_u8)CMD_announce_file;
command.type = (ot_u8)CMDTYPE_na2p_request;
command.extension = (ot_u8)CMDEXT_no_response;
otapi_put_command_tmpl(&status, &command);
}
{ //write the dialog information (timeout, channels to use)
ot_u8 status;
dialog_tmpl dialog;
dialog.channels = 0; //use same channel as request for response
dialog.timeout = 0; //0 tick response timeout (1 tick = 0,977 ms)
otapi_put_dialog_tmpl(&status, &dialog);
}
{ //write the ISF return data (note: use isfcall template)
ot_u8 status;
isfcall_tmpl isfcall;
isfcall.is_series = False;
isfcall.isf_id = ISF_ID(network_settings);
isfcall.max_return = ISF_LEN(network_settings);
isfcall.offset = 0;
otapi_put_isf_return(&status, &isfcall);
}
//Done building command, close the request and send the dialog
otapi_close_request();
//otapi_start_dialog();
return True;
}
void applet_send_query(m2session* session) {
/// The C-API for building commands can be bypassed in favor of directly
/// putting data to the queue. That way is more efficient, but it also requires
/// you to know more about DASH7 than just what order the templates should be.
///
/// The query that we build will collect sensor configuration data back from
/// all devices that support the sensor protocol. Much more interesting queries
/// are possible.
{ //open request for single hop anycast query
routing_tmpl routing;
routing.hop_code = 0;
otapi_open_request(ADDR_anycast, &routing);
}
{ //use a command template for collection of single file from single file search
ot_u8 status;
command_tmpl command;
command.opcode = (ot_u8)CMD_collect_file_on_file;
command.type = (ot_u8)CMDTYPE_na2p_request;
command.extension = (ot_u8)CMDEXT_none;
otapi_put_command_tmpl(&status, &command);
}
{ //write the dialog information (timeout, channels to use)
ot_u8 status;
dialog_tmpl dialog;
dialog.channels = 0; //use same channel as request for response
dialog.timeout = 512; //512 tick response timeout (1 tick = 0,977 ms)
otapi_put_dialog_tmpl(&status, &dialog);
}
{ //write the query to search for the sensor protocol id
query_tmpl query;
ot_u8 status;
ot_u8 protocol_id;
protocol_id = 0x02; // sensor protocol id = 0x02
query.code = M2QC_COR_SEARCH | 1; // do a 100% length=1 correlation search
query.mask = NULL; // don't do any masking (no partial matching)
query.length = 1; // look for one byte (0x02)
query.value = &protocol_id; // (query.value is a string)
otapi_put_query_tmpl(&status, &query);
}
{ //put in the information of the file to search (the protocol list)
ot_u8 status;
isfcomp_tmpl isfcomp;
isfcomp.is_series = False;
isfcomp.isf_id = ISF_ID(protocol_list);
isfcomp.offset = 0;
otapi_put_isf_comp(&status, &isfcomp);
}
{ //put in the information of the file to return (the sensor list)
ot_u8 status;
isfcall_tmpl isfcall;
isfcall.is_series = False;
isfcall.isf_id = ISF_ID(sensor_list);
isfcall.max_return = 32;
isfcall.offset = 0;
otapi_put_isf_call(&status, &isfcall);
}
//Done building command, close the request and send the dialog
otapi_close_request();
}
void sub_build_uhfmsg(ot_int* buffer) {
/// This is the routine that builds the DASH7 UDP generic protocol message.
/// The protocol has data elements marked by a letter (T, V, R, E, D) that
/// signify Temperature, Voltage, RSSI (LF), PaLFi wake Event, and RX Data.
/// The elements are fixed/known length.
session_tmpl s_tmpl;
command_tmpl c_tmpl;
ot_u8* data_start;
ot_u8 status;
// Create a new session: you could change these parameters
// Use "CHAN1" for odd events, "CHAN2" for even events
s_tmpl.channel = (palfi.wake_event & 1) ? ALERT_CHAN1 : ALERT_CHAN2;
s_tmpl.subnetmask = 0; // Use default subnet
s_tmpl.flagmask = 0; // Use default app-flags
s_tmpl.timeout = 10; // Do CSMA for no more than 10 ticks (~10 ms)
otapi_new_session(&s_tmpl);
// Broadcast request (takes no 2nd argument)
otapi_open_request(ADDR_broadcast, NULL);
// Insert Transport-Layer headers
c_tmpl.type = CMDTYPE_na2p_request;
c_tmpl.opcode = CMD_udp_on_file;
c_tmpl.extension= CMDEXT_no_response;
otapi_put_command_tmpl(&status, &c_tmpl);
otapi_put_dialog_tmpl(&status, NULL); // NULL = defaults
// UDP Header
q_writebyte(&txq, 255); // Source Port: 255 (custom application port)
q_writebyte(&txq, 255); // Destination Port (same value)
data_start = txq.putcursor;
// Place temperature data
q_writebyte(&txq, 'T');
q_writeshort(&txq, buffer[0]);
// Place Voltage data
q_writebyte(&txq, 'V');
q_writeshort(&txq, buffer[1]);
// Place RSSI data
q_writebyte(&txq, 'R');
q_writestring(&txq, (ot_u8*)&palfi.rssi1, 3);
// Place Action data
q_writebyte(&txq, 'E');
q_writebyte(&txq, (ot_int)palfi.wake_event);
// Dump some received data
if (palfi.wake_event) {
q_writebyte(&txq, 'D');
q_writestring(&txq, palfi.rxdata, 8);
}
// Store this information into the Port 255 file for continuous, automated
// reporting by DASH7/OpenTag until it is updated next time. The length of
// this information is always 23 bytes.
{
vlFILE* fp;
fp = ISF_open_su(255);
if (fp != NULL) {
vl_store(fp, 23, data_start);
vl_close(fp);
}
}
// Finish Message
otapi_close_request();
}