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This commit is contained in:
Michael Clemens // DK1MI 2023-05-08 19:20:54 +00:00
parent e88ba6a95e
commit eb822162a8
1 changed files with 61 additions and 35 deletions
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wt32pamon.ino
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@ -26,19 +26,7 @@ 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"};
/*
#ifdef __cplusplus
extern "C" {
#endif
uint8_t temprature_sens_read();
#ifdef __cplusplus
}
#endif
uint8_t temprature_sens_read();
*/
int voltage_fwd,voltage_ref;
int voltage_fwd_peak =0,voltage_ref_peak =0;
float fwd_dbm=0, ref_dbm=0;
double fwd_watt=0, ref_watt=0;
byte iii=0;
@ -49,7 +37,7 @@ String conf_translate_ref_table = "";
String conf_config_table = "";
String del_action = "";
String band = "13cm";
String band = "70cm";
String band_fwd = band + "_fwd";
String band_ref = band + "_ref";
String band_list []= {"3cm", "13cm", "70cm", "2m"};
@ -67,10 +55,14 @@ WebServer server(80);
// Google DNS Server IP
//IPAddress myDNS(8, 8, 8, 8);
// converts dBm to Watt
double dbm_to_watt(float dbm) {
return pow( 10.0, (dbm - 30.0) / 10.0);
}
// takes a voltage value and translates it
// to dBm based on the corresponding lookup table
float millivolt_to_dbm(int mv, bool fwd)
{
float lastval = 0;
@ -95,31 +87,48 @@ float millivolt_to_dbm(int mv, bool fwd)
}
}
}
float lowerkey = min(lastkey, nextkey);
float higherkey = max(lastkey, nextkey);
float lowerval = min(lastval, nextval);
/*
float higherkey = max(lastkey, nextkey);
float higherval = max(lastval, nextval);
float diffkey = higherkey - lowerkey;
float diffval = higherval - lowerval;
float x = diffval / diffkey;
float y = mv - lowerkey;
float z = x * y;
float result = lowerval + z;
Serial.print("measured voltage: " + String(mv) + " LastVal: " + String(lastval) + " LastKey: " + String(lastkey) + " Nextval: " + String(nextval) + " NextKey:" + String(nextkey) + "\n");
*/
float diffkey = max(lastkey, nextkey) - min(lastkey, nextkey);
float diffval = max(lastval, nextval) - min(lastval, nextval);
float result = lowerval + ((diffval / diffkey) * (mv - lowerkey));
//Serial.print("measured voltage: " + String(mv) + " LastVal: " + String(lastval) + " LastKey: " + String(lastkey) + " Nextval: " + String(nextval) + " NextKey:" + String(nextkey) + "\n");
return result;
}
// read voltages from both input pins
// calculates avaerage value of 20 measurements
void read_directional_couplers()
{
{
int voltage_sum_fwd = 0;
int voltage_sum_ref = 0;
for(iii=0; iii<20; iii++) // Take 20 samples and save the highest value
{ voltage_fwd = analogReadMilliVolts(IO2_FWD);
voltage_ref = analogReadMilliVolts(IO4_REF);
{ 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;
//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_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;
fwd_dbm = millivolt_to_dbm(voltage_fwd, true);
ref_dbm = millivolt_to_dbm(voltage_ref, false);
@ -129,17 +138,20 @@ void read_directional_couplers()
Serial.print(String(fwd_watt) + "\n");
voltage_fwd_peak = 0; // set peak voltages back to 0
voltage_ref_peak = 0;
//voltage_fwd_peak = 0; // set peak voltages back to 0
//voltage_ref_peak = 0;
}
// delivers the dashboard page in "index.h"
void handleRoot()
{
String s = MAIN_page; //Read HTML contents
server.send(200, "text/html", s); //Send web page
String s = MAIN_page;
server.send(200, "text/html", s);
}
// delivers a 404 page if a non-existant resouurce is requested
void handleNotFound()
{
String message = F("File Not Found\n\n");
@ -160,22 +172,22 @@ void handleNotFound()
server.send(404, F("text/plain"), message);
}
// executes the function to gather sensor data
// delivers gathered data to dashboard page
// invoked periodically by the dashboard page
void handleDATA() {
read_directional_couplers();
// get temp
//int a = (temprature_sens_read() - 32) / 1.8;
//String tempValue = String(a);
// calculate SWR
float swr = (1 + sqrt(ref_watt/fwd_watt)) / (1 - sqrt(ref_watt/fwd_watt));
//String band = "13cm";
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;
server.send(200, "text/plane", output); //Send ADC value only to client ajax request
server.send(200, "text/plane", output);
}
// main function for displaying the configuration page
// invoked by the "configuration" button on the dashboard page
void handleCONFIG() {
if (conf_translate_fwd_table == "") {
build_translate_table(true);
@ -220,8 +232,9 @@ void handleCONFIG() {
server.send(200, "text/html", conf_content);
}
// generates the translation table for either the FWD or
// REF values
void build_translate_table(bool fwd) {
String tbl = "";
if (fwd) {
tbl = "<form action=\"/modttfwd\" method=\"POST\">";
@ -259,6 +272,7 @@ void build_translate_table(bool fwd) {
}
}
// generates the table with generic configuration items
void build_config_table() {
conf_config_table = "<form action=\"/modcfg\" method=\"POST\">";
conf_config_table += "<table class='styled-table'>";
@ -281,7 +295,8 @@ void build_config_table() {
handleCONFIG();
}
// Handle request from the config page to change or add values
// to the FWD value table for the selected band
void handleMODTTFWD() {
String volt = server.arg("volt");
String dBm = server.arg("dBm");
@ -294,6 +309,9 @@ void handleMODTTFWD() {
build_translate_table(true);
handleCONFIG();
}
// Handle request from the config page to change or add values
// to the REF value table for the selected band
void handleMODTTREF() {
String volt = server.arg("volt");
String dBm = server.arg("dBm");
@ -307,6 +325,8 @@ void handleMODTTREF() {
handleCONFIG();
}
// Handle request from the config page to change or add values
// to the genral config value table for the selected band
void handleMODCFG() {
String key = server.arg("conf_key");
String value = server.arg("conf_value");
@ -322,6 +342,10 @@ void handleMODCFG() {
build_config_table();
}
// changes the band according to the user's selection
// regenerates the translation tables and fills them
// with the values assigned to the respective band
// invoked by selecting a band from the select box of teh config page
void handleBAND() {
band = server.arg("bands");
band_fwd = band + "_fwd";
@ -335,6 +359,7 @@ void handleBAND() {
handleCONFIG();
}
// initialization routine
void setup()
{
analogReadResolution(12);
@ -364,6 +389,7 @@ void setup()
WT32_ETH01_waitForConnect();
// activates single web server endpoints
server.on(F("/"), handleRoot);
server.on("/readDATA", handleDATA);
server.on("/config", handleCONFIG);