cleaned up nordic config

framework/system_settings.c

@@ -200,19 +200,18 @@ void systemsettings_build_ini(IniWriter *iw)
     iw_comment(iw, "nRF24L01+ radio");
     iw_entry_s(iw, "com-nrf", str_yn(SystemSettings.use_comm_nordic));
 
-    iw_comment(iw, "nRF channel");
+    iw_comment(iw, "Radio channel (0-125)");
     iw_entry_d(iw, "nrf-channel", SystemSettings.nrf_channel);
 
-    iw_comment(iw, "nRF network ID (hex, 4 bytes, little-endian)");
+    iw_comment(iw, "Network prefix (hex, 4 bytes)");
-    iw_entry(iw, "nrf-network", "%02X-%02X-%02X-%02X",
+    iw_entry(iw, "nrf-network", "%02X:%02X:%02X:%02X",
              SystemSettings.nrf_network[0],
              SystemSettings.nrf_network[1],
              SystemSettings.nrf_network[2],
              SystemSettings.nrf_network[3]);
 
-    iw_comment(iw, "nRF node address (hex, 1 byte, > 0)");
+    iw_comment(iw, "Node address (1-255)");
-    iw_entry(iw, "nrf-address", "0x%02X",
+    iw_entry(iw, "nrf-address", "%d", (int)SystemSettings.nrf_address);
-             SystemSettings.nrf_address);
 
     // those aren't implement yet, don't tease the user
     // TODO show pin-out, extra settings if applicable
@@ -285,7 +284,7 @@ bool systemsettings_load_ini(const char *restrict key, const char *restrict valu
     }
 
     if (streq(key, "nrf-address")) {
-        cfg_hex_parse(&SystemSettings.nrf_address, 1, value, &suc);
+        SystemSettings.nrf_address = cfg_u8_parse(value, &suc);
     }
 
     if (streq(key, "nrf-network")) {

platform/cfg_utils.c

@@ -311,7 +311,7 @@ void cfg_hex_parse(uint8_t *dest, uint32_t count, const char *value, bool *suc)
         if (v != 0) value++;
 
         uint8_t nibble = 0;
-        if (v == ' ' || v == '.' || v == '-' || v == ':') {
+        if (v == ' ' || v == '.' || v == ',' || v == '-' || v == ':') {
             continue; // junk
         }
         else if (v >= '0' && v <= '9') {