Add pin mappings comment

src/boards/bluepill_f103c8.h

@@ -103,6 +103,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = PA4,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/disco_l072cz_lrwan1.h

@@ -107,6 +107,7 @@
 // Board appears to work better with clock error enabled (value 4000 empirically determined).
 #define LMIC_CLOCK_ERROR_PPM 4000
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = PA15,
     .rxtx = PA1,

src/boards/heltec_wifi_lora_32.h

@@ -88,6 +88,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 18,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/heltec_wifi_lora_32_v2.h

@@ -82,6 +82,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 18,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/heltec_wireless_stick.h

@@ -83,6 +83,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 18,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/heltec_wireless_stick_lite.h

@@ -84,6 +84,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 18,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/lolin32.h

@@ -72,6 +72,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 32,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/lolin_d32.h

@@ -72,6 +72,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 27,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/lolin_d32_pro.h

@@ -72,6 +72,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 27,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/lopy4.h

@@ -113,6 +113,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 18,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/lora32u4II.h

@@ -72,6 +72,7 @@
 // Value (30000) was determined empirically.
 #define LMIC_CLOCK_ERROR_PPM 30000
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 8,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/nodemcu_32s.h

@@ -71,6 +71,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 5,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/nodemcuv2.h

@@ -77,6 +77,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 15,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/pro8mhzatmega328.h

@@ -75,6 +75,7 @@
 // Value 30000 was determined empirically.
 #define LMIC_CLOCK_ERROR_PPM 30000
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 10,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/ttgo_lora32_v1.h

@@ -89,6 +89,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 18,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/ttgo_lora32_v2.h

@@ -76,6 +76,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 18,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/ttgo_lora32_v21.h

@@ -70,6 +70,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 18,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/ttgo_tbeam_v07.h

@@ -77,6 +77,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 18,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/ttgo_tbeam_v10.h

@@ -92,6 +92,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 18,
     .rxtx = LMIC_UNUSED_PIN,

src/boards/zerousb.h

@@ -78,6 +78,7 @@
 // Value is defined in parts per million (of MAX_CLOCK_ERROR).
 // #define LMIC_CLOCK_ERROR_PPM 0
 
+// Pin mappings for LoRa tranceiver
 const lmic_pinmap lmic_pins = {
     .nss = 6,
     .rxtx = LMIC_UNUSED_PIN,