mclemens/wt32powermeter
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added functionality to add cable loss

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Michael Clemens // DK1MI 2023-06-02 08:14:56 +00:00
parent ba3f31f092
commit 6cbd947787
1 changed files with 28 additions and 23 deletions
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wt32pamon.ino
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@ -28,14 +28,14 @@
#include "FS.h" #include "FS.h"
#include "SPIFFS.h" #include "SPIFFS.h"
String version = "0.9.3"; String version = "0.9.4";
Preferences config; Preferences config;
Preferences global_config; Preferences global_config;
String band_config_items[] = { "b_show_mV", "b_show_dBm", "b_show_watt", "s_vswr_thresh", "b_vswr_beep", "s_ant_name", "s_max_led_pwr_f", "s_max_led_pwr_r", "s_max_led_vswr", "b_show_led_fwd", "b_show_led_ref", "b_show_led_vswr" }; String band_config_items[] = { "b_show_mV", "b_show_dBm", "b_show_watt", "s_vswr_thresh", "b_vswr_beep", "s_ant_name", "s_max_led_pwr_f", "s_max_led_pwr_r", "s_max_led_vswr", "b_show_led_fwd", "b_show_led_ref", "b_show_led_vswr", "s_cable_loss" };
String band_config_defaults[] = { "true", "true", "true", "2", "true", " ", "100", "100", "3", "true", "true", "true" }; String band_config_defaults[] = { "true", "true", "true", "2", "true", " ", "100", "100", "3", "true", "true", "true", "0" };
String band_config_nice_names[] = {"Show voltage in mV (yes/no)", "Show power level in dBm (yes/no)", "Show Power in Watt (yes/no)", "VSWR Threshold that triggers a warning (e.g. 3)", "Beep if VSWR threshold is exceeded (yes/no)", "Name of the antenna", "Max. FWD Power displayed by LED bar graph in W (e.g. 100)", "Max. REF Power displayed by LED bar graph in W (e.g. 100)", "Max. VSWR displayed by LED bar graph (e.g. 3)", "Show LED graph for FWD power (yes/no)", "Show LED graph for REF power (yes/no)", "Show LED graph for VSWR (yes/no)" }; String band_config_nice_names[] = { "Show voltage in mV (yes/no)", "Show power level in dBm (yes/no)", "Show power in Watt (yes/no)", "VSWR threshold that triggers a warning (e.g. 3)", "Beep if VSWR threshold is exceeded (yes/no)", "Name of the antenna", "Max. FWD power displayed by LED bar graph in W (e.g. 100)", "Max. REF power displayed by LED bar graph in W (e.g. 100)", "Max. VSWR displayed by LED bar graph (e.g. 3)", "Show LED graph for FWD power (yes/no)", "Show LED graph for REF power (yes/no)", "Show LED graph for VSWR (yes/no)","Cable loss in db (e.g. 3)" };
double fwd_array[3300] = {}; double fwd_array[3300] = {};
double ref_array[3300] = {}; double ref_array[3300] = {};
@ -186,8 +186,8 @@ double millivolt_to_dbm(int mv, bool fwd) {
} }
} }
} }
// checks if the voltage values are opposite to the dBm values or
// if both, voltage and dBm values are ascending
if (ascending) { if (ascending) {
for (int i = 0; i < 3300; i++) { for (int i = 0; i < 3300; i++) {
if (fwd) { if (fwd) {
@ -275,6 +275,13 @@ void read_directional_couplers() {
fwd_dbm = millivolt_to_dbm(voltage_fwd, true); fwd_dbm = millivolt_to_dbm(voltage_fwd, true);
ref_dbm = millivolt_to_dbm(voltage_ref, false); ref_dbm = millivolt_to_dbm(voltage_ref, false);
// add cable loss to FWD dBm, substract cable loss from REF dBm
double cable_loss = 0;
cable_loss = config.getString(String("s_cable_loss").c_str()).toDouble();
//Serial.println("cable loss: " + String(cable_loss));
fwd_dbm = fwd_dbm - cable_loss;
ref_dbm = ref_dbm + cable_loss;
// calculate watt from dBm // calculate watt from dBm
fwd_watt = dbm_to_watt(fwd_dbm); fwd_watt = dbm_to_watt(fwd_dbm);
ref_watt = dbm_to_watt(ref_dbm); ref_watt = dbm_to_watt(ref_dbm);
@ -284,7 +291,7 @@ void read_directional_couplers() {
void handleRoot() { void handleRoot() {
String html = MAIN_page; String html = MAIN_page;
String css = DB_STYLESHEET; String css = DB_STYLESHEET;
String js = JAVASCRIPT; String js = JAVASCRIPT;
server.send(200, "text/html", css + js + html); server.send(200, "text/html", css + js + html);
} }
@ -304,7 +311,6 @@ void handleNotFound() {
for (uint8_t i = 0; i < server.args(); i++) { for (uint8_t i = 0; i < server.args(); i++) {
message += " " + server.argName(i) + ": " + server.arg(i) + "\n"; message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
} }
server.send(404, F("text/plain"), message); server.send(404, F("text/plain"), message);
} }
@ -412,7 +418,7 @@ void handleCONFIG() {
conf_content += "Configuration</div>"; conf_content += "Configuration</div>";
conf_content += "<div id='title_box' class='bandbox maintitlebox'>"; conf_content += "<div id='title_box' class='bandbox maintitlebox'>";
conf_content += "<form method='POST' action='/selectband'>"; conf_content += "<form method='POST' action='/selectband'>";
conf_content += "Band: <label for='bands'></label><select class='backend_button' onchange='this.form.submit()'' id='band' name='bands' size='1'>"; conf_content += "Band: <label for='bands'></label><select class='button' onchange='this.form.submit()'' id='band' name='bands' size='1'>";
for (int i = 0; i < sizeof band_list / sizeof band_list[0]; i++) { for (int i = 0; i < sizeof band_list / sizeof band_list[0]; i++) {
String selected = ""; String selected = "";
if (band_list[i] == band) { if (band_list[i] == band) {
@ -422,7 +428,7 @@ void handleCONFIG() {
} }
conf_content += "</select></form>"; conf_content += "</select></form>";
conf_content += "</div>"; conf_content += "</div>";
conf_content += "<div class='subtitle1 subtitlebox'>Translation Detector Voltage /mV to RF-Power level /dBm</div>"; conf_content += "<div class='subtitle1 subtitlebox'>Translation Detector Voltage /mV to RF-Power Level /dBm</div>";
conf_content += "<div class='translationitems contentbox'>"; conf_content += "<div class='translationitems contentbox'>";
conf_content += conf_textareas; conf_content += conf_textareas;
@ -451,7 +457,7 @@ void build_textareas() {
save_string_to_array(fwd, fwd_array); save_string_to_array(fwd, fwd_array);
save_string_to_array(ref, ref_array); save_string_to_array(ref, ref_array);
String tbl = "<form action=\"/modtranslation\" method=\"POST\">"; String tbl = "<form action=\"/modcal\" method=\"POST\">";
tbl += "<table class='styled-table'>"; tbl += "<table class='styled-table'>";
tbl += "<thead><tr><td>" + band + " FWD (mV:dBm)</td><td>" + band + " REF (mV:dBm)</td></tr></thead>"; tbl += "<thead><tr><td>" + band + " FWD (mV:dBm)</td><td>" + band + " REF (mV:dBm)</td></tr></thead>";
tbl += "<tr><td>"; tbl += "<tr><td>";
@ -471,7 +477,7 @@ void build_textareas() {
} }
tbl += "</textarea>"; tbl += "</textarea>";
tbl += "</td></tr></table>"; tbl += "</td></tr></table>";
tbl += "<button class='backend_button' value='save' name='save' type='submit'>Save Calibration Data</button>"; tbl += "<button class='button' value='save' name='save' type='submit'>Save Calibration Data</button>";
tbl += "</form>"; tbl += "</form>";
conf_textareas = tbl; conf_textareas = tbl;
} }
@ -492,7 +498,7 @@ void build_config_table() {
conf_config_table += "<tr><td>"; conf_config_table += "<tr><td>";
conf_config_table += band_config_nice_names[i]; conf_config_table += band_config_nice_names[i];
conf_config_table += "</td><td>"; conf_config_table += "</td><td>";
if (String(stored_val).equalsIgnoreCase("true")) { if (String(stored_val).equalsIgnoreCase("true")) {
conf_config_table += "<input type='checkbox' name='" + band_config_items[i] + "' id='" + band_config_items[i] + "' value='true' checked>"; conf_config_table += "<input type='checkbox' name='" + band_config_items[i] + "' id='" + band_config_items[i] + "' value='true' checked>";
} else if (String(stored_val).equalsIgnoreCase("false")) { } else if (String(stored_val).equalsIgnoreCase("false")) {
@ -503,14 +509,13 @@ void build_config_table() {
conf_config_table += "</td></tr>"; conf_config_table += "</td></tr>";
} }
} }
//conf_config_table += "<tr><td></td><td><button class='backend_button' type='submit'>Save</button></td></tr>"; conf_config_table += "</table><button class='button' value='save' name='save' type='submit'>Save Configuration</button></form>";
conf_config_table += "</table><button class='backend_button' value='save' name='save' type='submit'>Save Configuration</button></form>";
handleCONFIG(); handleCONFIG();
} }
// Handle request from the config page to change or add values // Handle request from the config page to change or add values
// to the XXXX value table for the selected band // to the XXXX value table for the selected band
void handleMODTRANS() { void handleMODCAL() {
String fwd = server.arg("fwd_textarea") + "\n"; String fwd = server.arg("fwd_textarea") + "\n";
String ref = server.arg("ref_textarea") + "\n"; String ref = server.arg("ref_textarea") + "\n";
clear_fwd_ref_array(); clear_fwd_ref_array();
@ -577,20 +582,20 @@ void save_string_to_array(String table_data, double arr[]) {
// to the general config value table for the selected band // to the general config value table for the selected band
void handleMODCFG() { void handleMODCFG() {
for (int i = 0; i < sizeof band_config_items / sizeof band_config_items[0]; i++) { for (int i = 0; i < sizeof band_config_items / sizeof band_config_items[0]; i++) {
if (!server.hasArg(band_config_items[i]) and band_config_items[i].startsWith("b_")){ if (!server.hasArg(band_config_items[i]) and band_config_items[i].startsWith("b_")) {
config.putString(band_config_items[i].c_str(), "false"); config.putString(band_config_items[i].c_str(), "false");
} else if (server.hasArg(band_config_items[i]) and band_config_items[i].startsWith("b_")){ } else if (server.hasArg(band_config_items[i]) and band_config_items[i].startsWith("b_")) {
config.putString(band_config_items[i].c_str(), "true"); config.putString(band_config_items[i].c_str(), "true");
} else { } else {
config.putString(band_config_items[i].c_str(), server.arg(band_config_items[i])); config.putString(band_config_items[i].c_str(), server.arg(band_config_items[i]));
} }
} }
conf_config_table = ""; conf_config_table = "";
build_config_table(); build_config_table();
} }
// changes the band according to the user's selection // changes the band according to the user's selection
// regenerates the translation tables and fills them // regenerates the calibration tables and fills them
// with the values assigned to the respective band // with the values assigned to the respective band
// invoked by selecting a band from the select box of the config page // invoked by selecting a band from the select box of the config page
void handleBAND() { void handleBAND() {
@ -614,8 +619,8 @@ void setup() {
Serial.begin(115200); Serial.begin(115200);
while (!Serial) //while (!Serial)
; // ;
// Using this if Serial debugging is not necessary or not using Serial port // Using this if Serial debugging is not necessary or not using Serial port
//while (!Serial && (millis() < 3000)); //while (!Serial && (millis() < 3000));
@ -640,7 +645,7 @@ void setup() {
server.on("/config", handleCONFIG); server.on("/config", handleCONFIG);
server.on("/modcfg", handleMODCFG); server.on("/modcfg", handleMODCFG);
server.on("/selectband", handleBAND); server.on("/selectband", handleBAND);
server.on("/modtranslation", handleMODTRANS); server.on("/modcal", handleMODCAL);
if (!SPIFFS.begin(FORMAT_SPIFFS_IF_FAILED)) { if (!SPIFFS.begin(FORMAT_SPIFFS_IF_FAILED)) {