mclemens/wt32powermeter
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Michael Clemens // DK1MI 2023-09-13 10:41:13 +00:00
parent 4898c0f949
commit 9c77203d7f
1 changed files with 62 additions and 15 deletions
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wt32powermeter.ino
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@ -27,15 +27,17 @@
#include <Preferences.h>
#include "FS.h"
#include "SPIFFS.h"
#include <OneWire.h>
#include <DallasTemperature.h>
String version = "1.0.0";
String version = "1.0.2";
Preferences 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", "s_cable_loss" };
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)","Cable loss in db (e.g. 3)" };
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", "b_power_avg", "b_show_temp", "b_celsius" };
String band_config_defaults[] = { "true", "true", "true", "2", "true", " ", "100", "100", "3", "true", "true", "true", "0", "false", "false", "true" };
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)","Display average power instead of PEP? (yes=AVG/no=PEP)", "Display Temperature? (yes/no)", "Display Temperature in C or F? (yes=C/no=F)" };
double fwd_array[3300] = {};
double ref_array[3300] = {};
@ -58,6 +60,11 @@ String band_list[] = { "1.25cm", "3cm", "6cm", "9cm", "13cm", "23cm", "70cm", "2
int IO2_FWD = 2;
int IO4_REF = 4;
const int IO14_TEMP = 14;
OneWire oneWire(IO14_TEMP);
DallasTemperature sensors(&oneWire);
WebServer server(80);
// Select the IP address according to your local network
@ -261,15 +268,31 @@ void read_directional_couplers() {
int voltage_sum_fwd = 0;
int voltage_sum_ref = 0;
int voltage_fwd_max = 0;
int voltage_ref_max = 0;
int voltage_fwd_now = 0;
int voltage_ref_now = 0;
// Takes 50 samples and sums them up
// figure out the highest values
for (iii = 0; iii < 50; iii++) {
voltage_sum_fwd += analogReadMilliVolts(IO2_FWD);
voltage_sum_ref += analogReadMilliVolts(IO4_REF);
voltage_fwd_now = analogReadMilliVolts(IO2_FWD);
voltage_ref_now = analogReadMilliVolts(IO4_REF);
voltage_sum_fwd += voltage_fwd_now;
voltage_sum_ref += voltage_ref_now;
voltage_fwd_max = max(voltage_fwd_now, voltage_fwd_max);
voltage_ref_max = max(voltage_ref_now, voltage_ref_max);
}
// calculate the average value by deviding the above sum by 50
voltage_fwd = voltage_sum_fwd / 50;
voltage_ref = voltage_sum_ref / 50;
if (config.getString(String("s_power_avg").c_str()) == "true") {
// calculate the average value by deviding the above sum by 50
voltage_fwd = voltage_sum_fwd / 50;
voltage_ref = voltage_sum_ref / 50;
} else {
// take the highest value of the 50 samples
voltage_fwd = voltage_fwd_max;
voltage_ref = voltage_ref_max;
}
// calculate the dBm value from the voltage based on the calibration table
fwd_dbm = millivolt_to_dbm(voltage_fwd, true);
@ -395,7 +418,8 @@ void handleDATA() {
output += config.getString(String("b_show_led_fwd").c_str()) + ";"; // data[17]: Show the FWD LED bar graph? (true/false)
output += config.getString(String("b_show_led_ref").c_str()) + ";"; // data[18]: Show the REF LED bar graph? (true/false)
output += config.getString(String("b_show_led_vswr").c_str()) + ";"; // data[19]: Show the VSWR LED bar graph? (true/false)
output += version; // data[20]: program version
output += version + ";"; // data[20]: program version
output += getTemp(); // data[21]: temperature
server.send(200, "text/plane", output);
}
@ -613,17 +637,40 @@ void handleBAND() {
handleCONFIG();
}
// reads the temperature from the aboce defined sensor
// and returns it in either C or F as a string
String getTemp() {
String ret = "";
if (config.getString(String("b_show_temp").c_str()) == "true") {
String label = "Temp: ";
String temp_string = "--";
String unit = "";
float temp_float;
sensors.requestTemperatures();
if (config.getString(String("b_celsius").c_str()) != "false") {
unit = "°C";
temp_float = sensors.getTempCByIndex(0);
} else {
unit = "°F";
temp_float = sensors.getTempFByIndex(0);
}
if (temp_float > -100){
temp_string = String(temp_float, 1);
}
ret = label + temp_string + unit;
}
return ret;
}
// initialization routine
void setup() {
Serial.begin(115200);
//while (!Serial)
// ;
// initialize temperature sensor
sensors.begin();
// Using this if Serial debugging is not necessary or not using Serial port
//while (!Serial && (millis() < 3000));
Serial.print("\nStarting AdvancedWebServer on " + String(ARDUINO_BOARD));
Serial.println(" with " + String(SHIELD_TYPE));