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Michael Clemens // DK1MI 2023-05-09 08:43:52 +00:00
parent d8a9c6e298
commit 2864fca30c
1 changed files with 44 additions and 17 deletions
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wt32pamon.ino
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@ -1,5 +1,5 @@
/****************************************************************************************************************************
Remote PA Monitor - solution to remotely monitor RF power, SWR and more of QO-100 power amplifiers
Remote PA Monitor - solution to remotely monitor RF power, VSWR and more of QO-100 power amplifiers
For Ethernet shields using WT32_ETH01 (ESP32 + LAN8720)
Uses WebServer_WT32_ETH01, a library for the Ethernet LAN8720 in WT32_ETH01 to run WebServer
@ -23,8 +23,8 @@ Preferences translation_fwd;
Preferences translation_ref;
Preferences config;
String config_items [ ] = {"show_fwd", "show_ref", "show_swr", "show_mV", "show_dBm", "show_watt"};
String config_defaults [ ] = {"true", "true", "true", "true", "false", "true"};
String config_items [ ] = {"show_mV", "show_dBm", "show_watt", "vswr_threshold"};
String config_defaults [ ] = {"true", "true", "true", "2"};
int voltage_fwd,voltage_ref;
float fwd_dbm=0, ref_dbm=0;
@ -120,12 +120,7 @@ void read_directional_couplers()
for(iii=0; iii<20; iii++) // Take 20 samples and save the highest value
{ voltage_sum_fwd += analogReadMilliVolts(IO2_FWD);
voltage_sum_ref += analogReadMilliVolts(IO4_REF);
//Serial.println(String(voltage_fwd));
//if(voltage_fwd > voltage_fwd_peak) voltage_fwd_peak = voltage_fwd; // safe the peak of 10 measurements
//if(voltage_ref > voltage_ref_peak) voltage_ref_peak = voltage_ref;
}
//voltage_fwd = voltage_fwd_peak; // use peak voltage for processing
//voltage_ref = voltage_ref_peak;
voltage_fwd = voltage_sum_fwd/20; // use peak voltage for processing
voltage_ref = voltage_sum_ref/20;
@ -136,11 +131,6 @@ void read_directional_couplers()
fwd_watt = dbm_to_watt(fwd_dbm);
ref_watt = dbm_to_watt(ref_dbm);
Serial.print(String(fwd_watt) + "\n");
//voltage_fwd_peak = 0; // set peak voltages back to 0
//voltage_ref_peak = 0;
}
// delivers the dashboard page in "index.h"
@ -172,17 +162,48 @@ void handleNotFound()
server.send(404, F("text/plain"), message);
}
String watt_or_williwatt(float val){
String ret = "0";
if (val < 1){
ret = String(val*1000,0) + "mW";
} else {
ret = String(val,3) + "W";
}
return ret;
}
// executes the function to gather sensor data
// delivers gathered data to dashboard page
// invoked periodically by the dashboard page
void handleDATA() {
read_directional_couplers();
// calculate VSWR
float vswr = (1 + sqrt(ref_watt/fwd_watt)) / (1 - sqrt(ref_watt/fwd_watt));
String vswr_str = "-1";
if (vswr >= 1) {
vswr_str = String(vswr);
}
// calculate SWR
float swr = (1 + sqrt(ref_watt/fwd_watt)) / (1 - sqrt(ref_watt/fwd_watt));
float rl = fwd_dbm - ref_dbm;
String output = String(fwd_watt,3) + ";" + String(fwd_dbm,3) + ";" + String(voltage_fwd) + ";" + String(ref_watt,3) + ";" + String(ref_dbm,3) + ";" + String(voltage_ref) + ";" + String(swr) + ";" + band;
// get vswr_threshold from general config
String vswr_threshold = config.getString(String("vswr_threshold").c_str());
String voltage_fwd_str = "";
String voltage_ref_str = "";
if (config.getString(String("show_mV").c_str()) != "false") {
voltage_fwd_str = String(voltage_fwd) + "mV";
voltage_ref_str = String(voltage_ref) + "mV";
}
String fwd_dbm_str = "";
String ref_dbm_str = "";
if (config.getString(String("show_dBm").c_str()) != "false") {
fwd_dbm_str = String(fwd_dbm,3) + "dBm";
ref_dbm_str = String(ref_dbm,3) + "dBm";
}
String output = watt_or_williwatt(fwd_watt) + ";" + fwd_dbm_str + ";" + voltage_fwd_str + ";" + watt_or_williwatt(ref_watt) + ";" + ref_dbm_str + ";" + voltage_ref_str + ";" + vswr_str + ";" + String(rl) + ";" + band + ";" + String(vswr_threshold);
server.send(200, "text/plane", output);
}
@ -257,7 +278,7 @@ void build_translate_table(bool fwd) {
tbl += "</td><td>";
tbl += String(stored_val,3);
tbl += "</td><td>";
tbl += String(dbm_to_watt(stored_val),3);
tbl += String(dbm_to_watt(stored_val),5);
tbl += "</td><td>";
tbl += "<button class='button' value='" + String(i) + "' name='delete' type='submit'>delete</button>";
tbl += "</td></tr>";
@ -366,6 +387,12 @@ void setup()
translation_fwd.begin(band_fwd.c_str(), false);
translation_ref.begin(band_ref.c_str(), false);
config.begin("config", false);
// DELETEME: Cleanup from old ver
config.remove(String("show_fwd").c_str());
config.remove(String("show_ref").c_str());
config.remove(String("show_swr").c_str());
Serial.begin(115200);
while (!Serial);