From 891a07998977aac2e5b22de424690a74b5eccf16 Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Tue, 24 Sep 2019 14:59:05 +0200
Subject: [PATCH] textual

---
 armsrc/appmain.c |  6 +++---
 client/cmdhf.c   |  5 +++--
 client/cmdlf.c   | 12 +++++-------
 3 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index bbc4eecf9..7c483f2e1 100644
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -206,7 +206,7 @@ void MeasureAntennaTuning(void) {
     LEDsoff();
 }
 
-// Measure HF in miliVolt
+// Measure HF in milliVolt
 uint16_t MeasureAntennaTuningHfData(void) {
     uint16_t volt = 0;
     uint16_t avg = AvgAdc(ADC_CHAN_HF);
@@ -220,7 +220,7 @@ uint16_t MeasureAntennaTuningHfData(void) {
     return volt;
 }
 
-// Measure LF in miliVolt
+// Measure LF in milliVolt
 uint32_t MeasureAntennaTuningLfData(void) {
     return  (MAX_ADC_LF_VOLTAGE * AvgAdc(ADC_CHAN_LF)) >> 10;
 }
@@ -1451,7 +1451,7 @@ static void PacketReceived(PacketCommandNG *packet) {
 
             switch (packet->data.asBytes[0]) {
                 case 1: // MEASURE_ANTENNA_TUNING_LF_START
-                    // Let the FPGA drive the low-frequency antenna around 125Khz
+                    // Let the FPGA drive the low-frequency antenna around 125kHz
                     FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
                     FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
                     FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95);
diff --git a/client/cmdhf.c b/client/cmdhf.c
index 8326d988f..c76f62d81 100644
--- a/client/cmdhf.c
+++ b/client/cmdhf.c
@@ -60,11 +60,12 @@ static int usage_hf_sniff() {
 }
 
 static int usage_hf_tune() {
-    PrintAndLogEx(NORMAL, "Usage: hf tune [<iter>]");
     PrintAndLogEx(NORMAL, "Continuously measure HF antenna tuning.");
     PrintAndLogEx(NORMAL, "Press button or Enter to interrupt.");
+    PrintAndLogEx(NORMAL, "Usage: hf tune [h] [<iter>]");
     PrintAndLogEx(NORMAL, "Options:");
-    PrintAndLogEx(NORMAL, "       <iter>               - number of iterations (default: infinite)");
+    PrintAndLogEx(NORMAL, "       h             - This help");
+    PrintAndLogEx(NORMAL, "       <iter>        - number of iterations (default: 0=infinite)");
     PrintAndLogEx(NORMAL, "");
     return PM3_SUCCESS;
 }
diff --git a/client/cmdlf.c b/client/cmdlf.c
index 002a596fe..c39bcd30d 100644
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -191,15 +191,13 @@ static int usage_lf_find(void) {
     return PM3_SUCCESS;
 }
 static int usage_lf_tune(void) {
-    PrintAndLogEx(NORMAL, "Continuously measure LF antenna tuning.");
+    PrintAndLogEx(NORMAL, "Continuously measure LF antenna tuning at 125 kHz.");
     PrintAndLogEx(NORMAL, "Press button or Enter to interrupt.");
-    PrintAndLogEx(NORMAL, "Usage:  lf tune [h] <0|1>");
+    PrintAndLogEx(NORMAL, "Usage:  lf tune [h] [<iter>]");
     PrintAndLogEx(NORMAL, "");
     PrintAndLogEx(NORMAL, "Options:");
-    PrintAndLogEx(NORMAL, "       h             This help");
-    PrintAndLogEx(NORMAL, "       <>         ");
-    PrintAndLogEx(NORMAL, "Examples:");
-    PrintAndLogEx(NORMAL, "      lf tune       = ");
+    PrintAndLogEx(NORMAL, "       h             - This help");
+    PrintAndLogEx(NORMAL, "       <iter>        - number of iterations (default: 0=infinite)");
     return PM3_SUCCESS;
 }
 
@@ -208,7 +206,7 @@ int CmdLFTune(const char *Cmd) {
     if (cmdp == 'h') return usage_lf_tune();
     int iter =  param_get32ex(Cmd, 0, 0, 10);
 
-    PrintAndLogEx(SUCCESS, "Measuring LF antenna, click button or press Enter to exit");
+    PrintAndLogEx(SUCCESS, "Measuring LF antenna at 125kHz, click button or press Enter to exit");
 
     uint8_t mode[] = {1};
     PacketResponseNG resp;