tobimai/waterlevel-software
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

stuff
All checks were successful
Test compiling project / test (push) Successful in 1m44s
Details

Browse Source
This commit is contained in:
Tobias Maier
2023-10-07 20:03:57 +02:00
parent f55ffea36c
commit 9c6f83d4f0
5 changed files with 377 additions and 234 deletions
Download Patch File Download Diff File Expand all files Collapse all files

434
src/main.cpp
View File

@@ -27,8 +27,10 @@
#define ssid_key "ssid"
#define wifi_password_key "wifi_password"
//Calibration variables
float zero_value = 0.03; //Measured shunt voltage with nothing connected, used to fix measuring offset
extern "C" int rom_phy_get_vdd33();
// Calibration variables
float zero_value = 0.03; // Measured shunt voltage with nothing connected, used to fix measuring offset
float max_water_level_cm = 200;
float min_water_level_cm = 0;
float sensor_range = 2.0;
@@ -38,17 +40,27 @@ bool voltage_low = false;
bool current_high = false;
bool current_low = false;
float rssi;
uint32_t ip_address;
uint8_t failed_connection_attempts = 0;
struct SensorData {
struct SensorData
{
int percentage;
float voltage;
float current;
float water_height;
};
struct NetworkData
{
String ip_address;
bool link;
float rssi;
String network_name;
};
NetworkData wifi_data;
NetworkData ethernet_data;
SensorData current_data = SensorData{-1, -1, -1, -1};
int64_t mac_address = ESP.getEfuseMac();
@@ -60,79 +72,109 @@ Preferences prefs;
AsyncWebServer server(80);
#define FORMAT_LITTLEFS_IF_FAILED true
void display_percentage(int percentage){
void display_percentage(int percentage)
{
digitalWrite(LED_RED, 0);
if (percentage > 20){
if (percentage > 20)
{
digitalWrite(LED_1, 1);
} else {
}
else
{
digitalWrite(LED_1, 0);
}
if (percentage > 40){
if (percentage > 40)
{
digitalWrite(LED_2, 1);
} else {
}
else
{
digitalWrite(LED_2, 0);
}
if (percentage > 60){
if (percentage > 60)
{
digitalWrite(LED_3, 1);
} else {
}
else
{
digitalWrite(LED_3, 0);
}
if (percentage > 80){
if (percentage > 80)
{
digitalWrite(LED_4, 1);
} else {
}
else
{
digitalWrite(LED_4, 0);
}
if (percentage > 95){
if (percentage > 95)
{
digitalWrite(LED_5, 1);
} else {
}
else
{
digitalWrite(LED_5, 0);
}
}
void display_error_code(byte err_code) {
void display_error_code(byte err_code)
{
digitalWrite(LED_RED, 1);
digitalWrite(LED_1, bitRead(err_code, 0));
digitalWrite(LED_2, bitRead(err_code, 1));
digitalWrite(LED_3, bitRead(err_code, 2));
digitalWrite(LED_4, bitRead(err_code, 3));
digitalWrite(LED_5, bitRead(err_code, 4));
}
bool is_error(){
bool is_error()
{
return voltage_high || voltage_low || current_high || current_low;
}
void printSuffix(Print* _logOutput, int logLevel) {
void printSuffix(Print *_logOutput, int logLevel)
{
_logOutput->print(CR);
}
void print_prefix(Print* _logOutput, int logLevel) {
_logOutput->print("WATERMETER - C");
_logOutput->print(xPortGetCoreID());
_logOutput->print(" - ");
_logOutput->print(pcTaskGetName(xTaskGetCurrentTaskHandle()));
_logOutput->print(" - ");
void print_prefix(Print *_logOutput, int logLevel)
{
_logOutput->print("WATERMETER - C");
_logOutput->print(xPortGetCoreID());
_logOutput->print(" - ");
_logOutput->print(pcTaskGetName(xTaskGetCurrentTaskHandle()));
_logOutput->print(" - ");
}
void display_task(void * parameter ){
while (true) {
if (!is_error()){
void display_task(void *parameter)
{
while (true)
{
if (!is_error())
{
// We have no error, refresh status display and wait half a second
display_percentage(current_data.percentage);
delay(1000);
} else {
}
else
{
Log.verbose("Error detected");
// We have an error, display error code for 3 seconds and then water level for 3 seconds
if (voltage_low) {
if (voltage_low)
{
display_error_code(1);
} else if (voltage_high){
}
else if (voltage_high)
{
display_error_code(2);
} else if (current_low) {
}
else if (current_low)
{
display_error_code(3);
} else if (current_high){
}
else if (current_high)
{
display_error_code(4);
}
delay(3000);
@@ -140,19 +182,24 @@ void display_task(void * parameter ){
delay(3000);
}
}
}
void wifi_task(void * parameter ){
void wifi_task(void *parameter)
{
Log.verbose("Starting WiFi Task");
while (true) {
if (prefs.getString(ssid_key, "") == "" || failed_connection_attempts > 5 ) {
if (failed_connection_attempts > 5) {
while (true)
{
if (prefs.getString(ssid_key, "") == "" || failed_connection_attempts > 5)
{
wifi_data.link = false;
if (failed_connection_attempts > 5)
{
Log.verbose("Failed to connecto to currently saved SSID, starting SoftAP");
} else {
}
else
{
Log.verbose("No SSID saved, starting SoftAP");
}
String ap_ssid = "Watermeter-" + String(mac_address);
WiFi.softAP(ap_ssid, "");
@@ -160,23 +207,28 @@ void wifi_task(void * parameter ){
Log.verbose("[WIFI_TASK] Waiting for SSID now...");
String old_ssid = prefs.getString(ssid_key, "xxx");
while(prefs.getString(ssid_key, "") == "" || prefs.getString(ssid_key, "") == old_ssid) {
while (prefs.getString(ssid_key, "") == "" || prefs.getString(ssid_key, "") == old_ssid)
{
delay(1000);
}
failed_connection_attempts = 0;
} else {
if (WiFi.isConnected() && WiFi.SSID() == prefs.getString(ssid_key, "")) {
}
else
{
if (WiFi.isConnected() && WiFi.SSID() == prefs.getString(ssid_key, ""))
{
failed_connection_attempts = 0;
rssi = WiFi.RSSI();
ip_address = WiFi.localIP();
wifi_data.rssi = WiFi.RSSI();
wifi_data.link = true;
wifi_data.network_name = WiFi.SSID();
wifi_data.ip_address = WiFi.localIP().toString();
Log.verbose("RSSI: %F, IP Address, %p, SSID: %s", rssi, WiFi.localIP(), prefs.getString(ssid_key, "NOSSID"));
Log.verbose("RSSI: %F, IP Address, %p, SSID: %s", float(WiFi.RSSI()), WiFi.localIP(), prefs.getString(ssid_key, "NOSSID"));
delay(5000);
} else {
}
else
{
Log.verbose("Connecting to %s using password %s", prefs.getString(ssid_key, ""), prefs.getString(wifi_password_key, ""));
WiFi.mode(WIFI_STA);
WiFi.begin(prefs.getString(ssid_key, ""), prefs.getString(wifi_password_key, ""));
@@ -185,17 +237,75 @@ void wifi_task(void * parameter ){
}
}
}
}
void ethernet_task(void * parameter ){
while (true) {
void ethernet_task(void *parameter)
{
Log.verbose("Connecting Ethernet");
ETH.begin(0, 17, 23, 18);
ETH.setHostname("watermeter");
while (true)
{
ethernet_data.link = ETH.linkUp();
ethernet_data.rssi = ETH.linkSpeed();
ethernet_data.ip_address = ETH.localIP().toString();
delay(60 * 1000);
}
}
void setup() {
void collect_internal_telemetry_task(void *parameter)
{
while (true)
{
float heap_usage = (float(ESP.getFreeHeap()) / float(ESP.getHeapSize())) * 100;
uint64_t uptime_seconds = millis() / 1000;
Log.verbose("Current heap usage: %F", heap_usage);
Log.verbose("Current uptime: %d", uptime_seconds);
delay(60000);
}
}
void read_sensor_task(void *parameter)
{
while (true)
{
float bus_voltage = ina_sensor.getBusVoltage();
float shunt_voltage = ina_sensor.getShuntVoltage_mV() - zero_value;
float shunt_current = shunt_voltage / 4;
float mA_per_cm = (20 - 4) / (sensor_range * 100);
float min_water_level_mA_over_zero = (min_water_level_cm * mA_per_cm);
float max_water_level_mA_over_zero = (max_water_level_cm * mA_per_cm);
float min_water_level_mA = 4 + min_water_level_mA_over_zero;
float max_water_level_mA = 4 + max_water_level_mA_over_zero;
// Over Zero always revers to zero water level
float shunt_current_over_zero = shunt_current - min_water_level_mA;
int percentage = round((shunt_current_over_zero / max_water_level_mA_over_zero) * 100);
current_low = shunt_current < 3.8;
current_high = shunt_current > 20.2;
voltage_low = bus_voltage < 23;
voltage_high = bus_voltage > 25;
Log.verbose("Bus current: %F", bus_voltage);
Log.verbose("Shunt current: %F", shunt_current);
Log.verbose("Shunt voltage: %F", shunt_voltage);
Log.verbose("Value percentage: %F", percentage);
current_data = SensorData{percentage, bus_voltage, shunt_current, shunt_current_over_zero};
delay(20000);
}
}
void setup()
{
prefs.begin("waterlevel", false);
Serial.begin(115200);
@@ -203,9 +313,6 @@ void setup() {
Log.setSuffix(printSuffix);
Log.setPrefix(print_prefix);
Log.verbose("Starting WiFi Task now (external)");
xTaskCreate(wifi_task, "WiFiTask", 10000, NULL, 1, NULL);
Log.verbose("Init LEDs");
pinMode(LED_1, OUTPUT);
pinMode(LED_2, OUTPUT);
@@ -229,54 +336,59 @@ void setup() {
ina_sensor.setAverage(4);
display_error_code(21);
Log.verbose("Connecting Ethernet");
ETH.begin(0, 17, 23, 18);
Log.verbose(ETH.getHostname());
display_error_code(22);
/////////////////////////////// ROUTES ///////////////////////////////
Log.verbose("Route Setup");
server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
request->send(SPIFFS, "/status.html", "text/html", false);
});
server.on("/", HTTP_GET, [](AsyncWebServerRequest *request)
{ request->send(SPIFFS, "/status.html", "text/html", false); });
server.on("/settings", HTTP_GET, [](AsyncWebServerRequest *request){
request->send(SPIFFS, "/settings.html", "text/html", false);
});
server.on("/settings", HTTP_GET, [](AsyncWebServerRequest *request)
{ request->send(SPIFFS, "/settings.html", "text/html", false); });
server.on("/export", HTTP_GET, [](AsyncWebServerRequest *request){
request->send(SPIFFS, "/data_export.html", "text/html", false);
});
server.on("/export", HTTP_GET, [](AsyncWebServerRequest *request)
{ request->send(SPIFFS, "/data_export.html", "text/html", false); });
server.on("/update_wifi_credentials", HTTP_POST, [](AsyncWebServerRequest *request){
int params = request->params();
// Log.verbose(request->hasParam(ssid_key));
// Log.verbose(request->hasParam(wifi_password_key));
server.on("/logic.js", HTTP_GET, [](AsyncWebServerRequest *request)
{ request->send(SPIFFS, "/logic.js", "application/javascript", false); });
if (request->hasParam(ssid_key, true) && request->hasParam(wifi_password_key, true)){
Log.verbose("Updating SSID config");
AsyncWebParameter* ssid_param = request->getParam(ssid_key, true);
AsyncWebParameter* password_param = request->getParam(wifi_password_key, true);
prefs.putString(ssid_key, ssid_param->value().c_str());
prefs.putString(wifi_password_key, password_param->value().c_str());
} else {
for(int i=0;i<params;i++){
AsyncWebParameter* p = request->getParam(i);
if(p->isFile()){ //p->isPost() is also true
Log.verbose("POST[%s]: %s\n", p->name().c_str(), p->value().c_str());
} else if(p->isPost()){
Log.verbose("POST[%s]: %s\n", p->name().c_str(), p->value().c_str());
} else {
Log.verbose("GET[%s]: %s\n", p->name().c_str(), p->value().c_str());
}
}
request->send(400, "text/plain", "Missing parameters"); //TODO add proper error messages
}
request->send(SPIFFS, "/settings.html", "text/html", false); //TODO add proper return templating
});
server.on("/sensor_data", HTTP_GET, [](AsyncWebServerRequest *request){
server.on("/update_wifi_credentials", HTTP_POST, [](AsyncWebServerRequest *request)
{
int params = request->params();
if (request->hasParam(ssid_key, true) && request->hasParam(wifi_password_key, true))
{
Log.verbose("Updating SSID config");
AsyncWebParameter *ssid_param = request->getParam(ssid_key, true);
AsyncWebParameter *password_param = request->getParam(wifi_password_key, true);
prefs.putString(ssid_key, ssid_param->value().c_str());
prefs.putString(wifi_password_key, password_param->value().c_str());
}
else
{
for (int i = 0; i < params; i++)
{
AsyncWebParameter *p = request->getParam(i);
if (p->isFile())
{ // p->isPost() is also true
Log.verbose("POST[%s]: %s\n", p->name().c_str(), p->value().c_str());
}
else if (p->isPost())
{
Log.verbose("POST[%s]: %s\n", p->name().c_str(), p->value().c_str());
}
else
{
Log.verbose("GET[%s]: %s\n", p->name().c_str(), p->value().c_str());
}
}
request->send(400, "text/plain", "Missing parameters"); // TODO add proper error messages
}
request->send(SPIFFS, "/settings.html", "text/html", false); // TODO add proper return templating
});
server.on("/sensor_data", HTTP_GET, [](AsyncWebServerRequest *request)
{
StaticJsonDocument<128> doc;
doc["percentage"] = current_data.percentage;
doc["voltage"] = current_data.voltage;
@@ -285,22 +397,36 @@ void setup() {
String output;
serializeJson(doc, output);
request->send(200, "application/json", output);
});
request->send(200, "application/json", output); });
server.on("/network_info", HTTP_GET, [](AsyncWebServerRequest *request)
{
StaticJsonDocument<256> doc;
doc["wifi"]["ip"] = wifi_data.ip_address;
doc["wifi"]["rssi"] = wifi_data.rssi;
doc["wifi"]["link"] = wifi_data.link;
doc["wifi"]["ssid"] = wifi_data.network_name;
doc["ethernet"]["ip"] = ethernet_data.ip_address;
doc["ethernet"]["rssi"] = ethernet_data.rssi;
doc["ethernet"]["link"] = ethernet_data.link;
String output;
serializeJson(doc, output);
request->send(200, "application/json", output); });
server.on("/chota.css", HTTP_GET, [](AsyncWebServerRequest *request)
{ request->send(SPIFFS, "/chota.css", "text/css", false); });
server.on("/chota.css", HTTP_GET, [](AsyncWebServerRequest *request){
request->send(SPIFFS, "/chota.css", "text/css", false);
});
display_error_code(23);
Log.verbose("Starting webserver");
server.begin();
display_error_code(24);
Log.verbose("OTA Setup");
ArduinoOTA
.onStart([]() {
.onStart([]()
{
String type;
if (ArduinoOTA.getCommand() == U_FLASH)
type = "sketch";
@@ -308,81 +434,37 @@ void setup() {
type = "filesystem";
// NOTE: if updating SPIFFS this would be the place to unmount SPIFFS using SPIFFS.end()
Log.verbose("Start updating %s", type);
})
.onEnd([]() {
Log.verbose("\nEnd");
})
.onProgress([](unsigned int progress, unsigned int total) {
Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
})
.onError([](ota_error_t error) {
Log.verbose("Start updating %s", type); })
.onEnd([]()
{ Log.verbose("\nEnd"); })
.onProgress([](unsigned int progress, unsigned int total)
{ Serial.printf("Progress: %u%%\r", (progress / (total / 100))); })
.onError([](ota_error_t error)
{
Serial.printf("Error[%u]: ", error);
if (error == OTA_AUTH_ERROR) Log.verbose("Auth Failed");
else if (error == OTA_BEGIN_ERROR) Log.verbose("Begin Failed");
else if (error == OTA_CONNECT_ERROR) Log.verbose("Connect Failed");
else if (error == OTA_RECEIVE_ERROR) Log.verbose("Receive Failed");
else if (error == OTA_END_ERROR) Log.verbose("End Failed");
});
display_error_code(25);
ArduinoOTA.begin();
else if (error == OTA_END_ERROR) Log.verbose("End Failed"); });
display_error_code(26);
digitalWrite(LED_RED, 0);
Log.verbose(ETH.localIP());
xTaskCreate(display_task, "DisplayTask", 10000, NULL, 1, NULL);
xTaskCreate(read_sensor_task, "ReadSensorTask", 2048, NULL, 1, NULL);
xTaskCreate(collect_internal_telemetry_task, "InternalTelemetryTask", 2048, NULL, 1, NULL);
xTaskCreate(ethernet_task, "EthernetTask", 4096, NULL, 1, NULL);
xTaskCreate(wifi_task, "WiFiTask", 10000, NULL, 1, NULL);
delay(1000);
Log.verbose("Starting webserver");
server.begin();
display_error_code(25);
ArduinoOTA.begin();
}
/**
* Updates the global variables from the current ina sensor data
* All other parts just read these variables to prevent incositencies
*/
void update_sensor_data(){
float bus_voltage = ina_sensor.getBusVoltage();
float shunt_voltage = ina_sensor.getShuntVoltage_mV() - zero_value;
float shunt_current = shunt_voltage / 4 ;
float mA_per_cm = (20 - 4)/ (sensor_range*100);
float min_water_level_mA_over_zero = (min_water_level_cm * mA_per_cm);
float max_water_level_mA_over_zero = (max_water_level_cm * mA_per_cm);
float min_water_level_mA = 4 + min_water_level_mA_over_zero;
float max_water_level_mA = 4 + max_water_level_mA_over_zero;
// Over Zero always revers to zero water level
float shunt_current_over_zero = shunt_current - min_water_level_mA;
int percentage = round(( shunt_current_over_zero / max_water_level_mA_over_zero) * 100);
current_low = shunt_current < 3.8;
current_high = shunt_current > 20.2;
voltage_low = bus_voltage < 23;
voltage_high = bus_voltage > 25;
Log.verbose("==========");
Log.verbose("Shunt current: %F", shunt_current);
Log.verbose("Shunt voltage: %F", shunt_voltage);
Log.verbose("Value percentage: %F", percentage);
current_data = SensorData{percentage, bus_voltage, shunt_current, shunt_current_over_zero};
}
void loop() {
void loop()
{
ArduinoOTA.handle();
update_sensor_data();
// Log.verbose(WiFi.softAPIP());
// Log.verbose(ETH.localIP());
delay(5000);
delay(1000);
}