From d1dccffd6b01360c0bb72acd988a09d6a94fcf1c Mon Sep 17 00:00:00 2001
From: Mike Black W9MDB <mdblack98@yahoo.com>
Date: Sat, 10 Dec 2022 11:58:20 -0600
Subject: [PATCH] Add serialnum parser for MDS rig

---
 rigs/mds/serialnum.c | 114 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 rigs/mds/serialnum.c

diff --git a/rigs/mds/serialnum.c b/rigs/mds/serialnum.c
new file mode 100644
index 000000000..78795878e
--- /dev/null
+++ b/rigs/mds/serialnum.c
@@ -0,0 +1,114 @@
+#include <stdio.h>
+#include <string.h>
+
+/* DB25 Pins
+    1 - GND
+    2 - TXD
+    3 - RXD
+    4 - RTS
+    5 - CTS
+    6 - DSR
+    7 - Signal ground (tied to 1?)
+    8 - DCD
+    9 - Tx Audio 600Ohm - Pin 7 is gnd
+    10 - RUS Receiver Unsquelched Sensor
+    11 - Rx Audio 600Ohm - Pin 7 is gnd
+    12 - Radio Inhibit (Sleep).
+    13 - Reserved
+    14 - PTT +5V
+
+
+void serial_num(char *s)
+{
+    char model[16];
+    char *operation;
+    char *modem;
+    char *rxfreq, *txfreq;
+    char *bandwidth;
+    char *diagnostics;
+    char *agency;
+
+    memcpy(model, s, 5);
+    model[5] = 0;
+
+    if (s[5] == 'B') { operation = "Base"; }
+    else { operation = "Remote"; }
+
+    if (s[8] == 'B') { modem = "9600"; }
+    else { modem = "19200"; }
+
+    if (s[9] == '0')
+        diagnostics = "None";
+    else
+        diagnostics = "Non-Intrusive";
+    if (s[10] == '1') { bandwidth = "12.5KHz"; }
+    else { bandwidth = "25KHz"; }
+
+    if (s[14] == 'N')
+        agency = "N/A";
+        else
+            agency = "FCC/IC";
+
+/*
+/              01234567890123456
+               9710AXN1B11C00FFA
+               5 = X/N Base/Remote
+               6 = N Non-redundant
+               7 = Input voltage (1=10.5 to 16VDC)
+               8 = Modem (B=9600 C=19200)
+               9 = Diagnostics (0=None, 1=Non-Intrusive)
+               10 = Bandwidth (1=12.5 2=25)
+               11 = Rx Freq (A=800-860, B=860-900, C=900-960)
+               12 = Tx Freq (1=800-880, 2=880-960)
+               13 = 0 = Full
+               14 = Agency (N=N/A F=FCC/IC)
+               */
+
+if (s[0] == '9')
+{
+    switch (s[11])
+    {
+    case 'A':
+        rxfreq = "800-850MHz";
+        break;
+
+    case 'B':
+        rxfreq = "860-899MHz";
+        break;
+
+    case 'C':
+        rxfreq = "900-960MHz";
+        break;
+
+    default:
+        rxfreq = "Unknown!!";
+    }
+
+    switch (s[12])
+    {
+    case '1':
+        txfreq = "800-880MHz";
+        break;
+
+    case '2':
+        txfreq = "880-960MHz";
+        break;
+
+    default:
+        txfreq = "Unknown!!";
+    }
+
+}
+
+printf("Model %s %s Modem(%s) Rx(%s) Tx(%s) Bandwidth(%s) Agency=%s Diagnostics=%s\n",
+       model, operation,
+       modem, rxfreq, txfreq, bandwidth, agency, diagnostics);
+}
+
+int
+main()
+{
+    serial_num("9710BXN1B11C9ONFA");
+    serial_num("9710AXN1B11C00FFA");
+    return 0;
+}