diff options
Diffstat (limited to 'fiz/naloga/vodnaraketa/src/main.cpp')
| -rw-r--r-- | fiz/naloga/vodnaraketa/src/main.cpp | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/fiz/naloga/vodnaraketa/src/main.cpp b/fiz/naloga/vodnaraketa/src/main.cpp new file mode 100644 index 0000000..91280dd --- /dev/null +++ b/fiz/naloga/vodnaraketa/src/main.cpp @@ -0,0 +1,171 @@ +#define ARDUINOJSON_ENABLE_COMMENTS 1 +#include <stdlib.h> +#include <Arduino.h> +#include <ArduinoJson.h> +#include "LittleFS.h" +#include <DNSServer.h> +#include <ESP8266WiFi.h> +#include <WiFiClient.h> +#include <TimeLib.h> +#include <WiFiUdp.h> +#include <ESP8266httpUpdate.h> +#include <ESPAsyncWebServer.h> +#include <HX711.h> +#include <FTPServer.h> + +DynamicJsonDocument settings(2048); + +#include <func.c> + +FTPServer ftpServer(LittleFS); +DNSServer dnsServer; +AsyncWebServer httpServer(80); +HX711 scale; + +time_t measure = 0; +File measureFile; + +void reload (bool w = 0) { + /* stop services unless they were never started, indicate this by w in for example setup() */ + if (!w) { + ftpServer.stop(); + httpServer.reset(); + dnsServer.stop(); + } + + /* reload settings */ + load_settings(); + + /* bring up AP networking */ + IPAddress ap_ip(10, 82, 66, 1); + ap_ip.fromString(settings["ap_ip"].as<String>()); + IPAddress ap_gateway(10, 82, 66, 1); + ap_gateway.fromString(settings["ap_gw"].as<String>()); + IPAddress ap_subnet(255, 255, 255, 0); + ap_subnet.fromString(settings["ap_nm"].as<String>()); + WiFi.mode(WIFI_AP); + WiFi.softAPConfig(ap_ip, ap_gateway, ap_subnet); + const char * ap_pass = settings["ap_pass"].as<String>().c_str(); + if (ap_pass && strlen(ap_pass) < 8) + ap_pass = NULL; + WiFi.softAP(settings["ap_ssid"].as<String>().c_str(), ap_pass, settings["cp_ch"].as<int>(), settings["ap_hidden"].as<int>()); + Serial.println("WiFi.softAPIP() = " + WiFi.softAPIP().toString()); + + + /* bring up STA networking - if that's desired */ + const char * sta_ssid = settings["sta_ssid"].as<String>().c_str(); + if (sta_ssid && strlen(sta_ssid) > 0) { + IPAddress sta_ip(10, 69, 69, 82); + sta_ip.fromString(settings["sta_ip"].as<String>()); + IPAddress sta_gw(10, 69, 69, 1); + sta_ip.fromString(settings["sta_gw"].as<String>()); + IPAddress sta_nm(255, 255, 255, 0); + sta_ip.fromString(settings["sta_nm"].as<String>()); + IPAddress sta_dns1(93, 103, 235, 126); + sta_dns1.fromString(settings["sta_dns1"].as<String>()); + IPAddress sta_dns2(193, 2, 1, 66); + sta_dns2.fromString(settings["sta_dns2"].as<String>()); + WiFi.disconnect(true); + WiFi.hostname(settings["sta_host"].as<String>()); + const char * sta_pass = settings["sta_pass"].as<String>().c_str(); + if (strlen(sta_pass) < 8) + sta_pass = NULL; + WiFi.begin(sta_ssid, sta_pass); + if (settings["sta_static"].as<int>()) + if (!WiFi.config(sta_ip, sta_gw, sta_nm, sta_dns1, sta_dns2)) + Serial.println("failed to wifi config"); + } + + /* start services */ + dnsServer.start(53, settings["host"], WiFi.softAPIP()); + ftpServer.begin(settings["ftp_user"], settings["ftp_pass"]); + /* web server */ +#define ADD_AUTH(h) if (strlen(settings["http_user"].as<String>().c_str()) || strlen(settings["http_pass"].as<String>().c_str())) h.setAuthentication(settings["http_user"], settings["http_pass"]) + auto h = httpServer.serveStatic("/", LittleFS, "/") + .setDefaultFile("index.html") + .setAuthentication(settings["http_user"], settings["http_pass"]); + ADD_AUTH(h); + h = httpServer.on("/rst", [](AsyncWebServerRequest * r) { + r->send(201, "text/plain", "OK"); + ESP.restart(); + }); + ADD_AUTH(h); + h = httpServer.on("/rld", [](AsyncWebServerRequest * r) { + r->send(201, "text/plain", "OK"); + reload(); + }); + h = httpServer.on("/m", [](AsyncWebServerRequest * r) { + if (!r->hasParam("n")) + r->send(400, "text/plain", "Manjka parameter n - število sekund meritve"); + else + if (!measure) { + measure = time(NULL)+atoi(r->getParam("n")->value().c_str()); + r->send(201, "text/plain", "OK"); + } else { + r->send(400, "text/plain", "Meritev že poteka!"); + } + }); + ADD_AUTH(h); + + /* specifični ukazi za meritve: začetek loadcella, kalibracija, tara */ + scale.begin(str2pin(settings["scale_dout"].as<String>().c_str()), str2pin(settings["scale_sck"].as<String>().c_str())); + h = httpServer.on("/c", [](AsyncWebServerRequest * r) { + if (!r->hasParam("t")) { + r->send(400, "text/plain", "Manjka parameter t - teža na tehtnici"); + } + if (scale.wait_ready_timeout(1000)) { + scale.set_scale(); + scale.tare(); + scale.set_scale(scale.get_units(10)/atof(r->getParam("t")->value().c_str())); + r->send(200, "text/plain", "OK"); + } else { + r->send(500, "text/plain", "Tehtnica ni najdena"); + } + }); + ADD_AUTH(h); + h = httpServer.on("/t", [](AsyncWebServerRequest * r) { + if (scale.wait_ready_timeout(1000)) { + scale.tare(); + r->send(400, "text/plain", "OK"); + } else { + r->send(500, "text/plain", "Tehtnica ni najdena."); + } + }); + ADD_AUTH(h); +} + +void handleMeasure() { + if (measure != 0) { + if (measure < time(NULL)) { + if (measureFile.isFile()) { + char filename[32]; + snprintf(filename, 32, "meritev%ldl.csv", time(NULL)); + measureFile = LittleFS.open(filename, "w"); + scale.power_up(); + } + if (scale.wait_ready_timeout(1000)) { + long reading = scale.get_units(10); + measureFile.print(millis()+""+"\n"); + } else { + Serial.println("HX711 ni najden."); + } + } else { + measure = 0; + measureFile.close(); + scale.power_down(); + } + } +} + +void setup () { + Serial.begin(9600); + Serial.println("Živ sem!"); + LittleFS.begin(); + reload(1); +} + +void loop () { + handleMeasure(); + ftpServer.handleFTP(); + dnsServer.processNextRequest(); +} |