108 lines
3.4 KiB
Plaintext
108 lines
3.4 KiB
Plaintext
/* dual-faced port that wraps an Unixdomain port and encodes/decodes L1CTL */
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module L1CTL_PortType {
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import from L1CTL_Types all;
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import from UD_PortType all;
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import from UD_Types all;
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import from Osmocom_Types all;
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import from GSM_Types all;
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type record L1CTL_connect {
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charstring path
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}
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type record L1CTL_connect_result {
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UD_Result_code result_code optional,
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charstring err optional
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}
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function f_L1CTL_FBSB(L1CTL_PT pt, Arfcn arfcn, L1ctlCcchMode ccch_mode := CCCH_MODE_COMBINED) {
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timer T := 5.0;
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pt.send(t_L1CTL_FBSB_REQ(arfcn, t_L1CTL_FBSB_F_ALL, 0, ccch_mode, 0));
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T.start
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alt {
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[] pt.receive(t_L1CTL_FBSB_CONF(0)) {};
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[] pt.receive { repeat; };
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[] T.timeout { setverdict(fail, "Timeout in FBSB") };
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}
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}
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function f_L1CTL_RACH(L1CTL_PT pt, uint8_t ra, uint8_t combined := 1, uint16_t offset := 0) return GsmFrameNumber {
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var L1ctlDlMessage rc;
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var GsmFrameNumber fn;
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timer T := 2.0;
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T.start
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pt.send(t_L1CTL_RACH_REQ(ra, 0, 0))
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alt {
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[] pt.receive(t_L1CTL_RACH_CONF) -> value rc { fn := rc.dl_info.frame_nr };
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[] pt.receive { repeat; };
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[] T.timeout { setverdict(fail, "Timeout in RACH") };
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}
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return fn;
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}
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function f_L1CTL_WAIT_IMM_ASS(L1CTL_PT pt, uint8_t ra, GsmFrameNumber rach_fn) return ImmediateAssignment {
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var L1ctlDlMessage dl;
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var GsmRrMessage rr;
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timer T := 10.0;
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T.start;
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alt {
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[] pt.receive(t_L1CTL_DATA_IND(t_RslChanNr_PCH_AGCH(0))) -> value dl {
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rr := dec_GsmRrMessage(dl.payload.data_ind.payload);
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log("PCH/AGCN DL RR: ", rr);
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if (match(rr, t_RR_IMM_ASS(ra, rach_fn))) {
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log("Received IMM.ASS for our RACH!");
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} else {
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repeat;
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}
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};
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[] pt.receive { repeat };
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[] T.timeout { setverdict(fail, "Timeout waiting for IMM ASS") };
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}
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T.stop;
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return rr.payload.imm_ass;
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}
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/* Send DM_EST_REQ from parameters derived from IMM ASS */
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function f_L1CTL_DM_EST_REQ_IA(L1CTL_PT pt, ImmediateAssignment imm_ass) {
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pt.send(t_L1CTL_DM_EST_REQ({ false, imm_ass.chan_desc.arfcn }, imm_ass.chan_desc.chan_nr, imm_ass.chan_desc.tsc));
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}
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private function L1CTL_to_UD_connect(in L1CTL_connect pin, out UD_connect pout) {
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pout.path := pin.path;
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pout.id := 0;
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} with { extension "prototype(fast)" }
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private function UD_to_L1CTL_connect_result(in UD_connect_result pin, out L1CTL_connect_result pout) {
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pout.result_code := pin.result.result_code;
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pout.err := pin.result.err;
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} with { extension "prototype(fast)" }
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private function L1CTL_to_UD_ul(in L1ctlUlMessage pin, out UD_send_data pout) {
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var L1ctlUlMessageLV msg_lv := { msg := pin };
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pout.data := enc_L1ctlUlMessageLV(msg_lv);
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pout.id := 0;
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} with { extension "prototype(fast)" }
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private function UD_to_L1CTL_dl(in UD_send_data pin, out L1ctlDlMessage pout) {
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var L1ctlDlMessageLV msg_lv := dec_L1ctlDlMessageLV(pin.data);
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pout:= msg_lv.msg;
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} with { extension "prototype(fast)" }
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type port L1CTL_PT message {
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out L1ctlUlMessage
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out L1CTL_connect
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in L1ctlDlMessage
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in L1CTL_connect_result
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in UD_listen_result
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in UD_connected
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} with { extension "user UD_PT
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out(L1ctlUlMessage -> UD_send_data: function(L1CTL_to_UD_ul);
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L1CTL_connect -> UD_connect: function(L1CTL_to_UD_connect))
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in(UD_send_data -> L1ctlDlMessage: function(UD_to_L1CTL_dl);
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UD_connect_result -> L1CTL_connect_result: function(UD_to_L1CTL_connect_result);
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UD_listen_result -> UD_listen_result: simple;
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UD_connected -> UD_connected: simple
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)" }
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}
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