Fermenter History 2

data/Fermenter/config.json

@@ -1,8 +1,8 @@
 {
   "pid": {
-    "p": 5,
-    "i": 0,
+    "p": 20,
+    "i": 1e-6,
     "d": 0,
-    "target": 0
+    "target": 28
   }
 }

src/node/Fermenter/Fermenter.cpp

@@ -16,7 +16,7 @@ void patrixSetup() {
   heater.setup();
   rotary.setup();
 
-  pid.setup();
+  pidSetup();
   httpSetup2();
 }
 
@@ -25,7 +25,7 @@ void patrixLoop() {
 
   ds18b20.loop();
   temperature.loop();
-  pid.loop();
+  pidLoop();
   rotary.loop();
   program.loop();
 

src/node/Fermenter/ProgramPoint.h

@@ -11,9 +11,9 @@ inline String durationString(const unsigned long millis) {
   const unsigned long days = hours / 24;
   char buffer[15];
   if (days > 0) {
-    snprintf(buffer, sizeof buffer, "%d. %2d:%02d:%02d", days, hours % 24, minutes % 60, seconds % 60);
+    snprintf(buffer, sizeof buffer, "%lu. %2lu:%02lu:%02lu", days, hours % 24, minutes % 60, seconds % 60);
   } else {
-    snprintf(buffer, sizeof buffer, "%d:%02d:%02d", hours % 24, minutes % 60, seconds % 60);
+    snprintf(buffer, sizeof buffer, "%lu:%02lu:%02lu", hours % 24, minutes % 60, seconds % 60);
   }
   return {buffer};
 }

src/node/Fermenter/http.cpp

@@ -5,6 +5,17 @@
 #include "pid.h"
 #include "Program.h"
 
+void httpHistory(AsyncWebServerRequest* request) {
+  AsyncResponseStream* stream = request->beginResponseStream("text/plain");
+  constexpr int size = std::size(history);
+  const History* h = history;
+  for (int i = 0; i < size; i++) {
+    stream->printf("%d/%d/%d\n", h->target, h->temperature, h->heater);
+    h = (h - history + size - 1) % size + history;
+  }
+  request->send(stream);
+}
+
 void httpStatus(AsyncWebServerRequest* request) {
   JsonDocument json;
   json["pid"]["p"] = pid.p;
@@ -130,22 +141,15 @@ void httpProgramResume(AsyncWebServerRequest* request) {
 }
 
 void httpSetup2() {
+  server.on("/history", httpHistory);
   server.on("/status", httpStatus);
-  server.on("/status/", httpStatus);
   server.on("/target/add", httpTargetAdd);
-  server.on("/target/add/", httpTargetAdd);
   server.on("/config/set", httpConfigSet);
-  server.on("/config/set/", httpConfigSet);
   server.on("/program/load", httpProgramLoad);
-  server.on("/program/load/", httpProgramLoad);
   server.on("/program/start", httpProgramStart);
-  server.on("/program/start/", httpProgramStart);
   server.on("/program/stop", httpProgramStop);
-  server.on("/program/stop/", httpProgramStop);
   server.on("/program/pause", httpProgramPause);
-  server.on("/program/pause/", httpProgramPause);
   server.on("/program/resume", httpProgramResume);
-  server.on("/program/resume/", httpProgramResume);
 }
 
 #endif

src/node/Fermenter/pid.cpp

@@ -3,6 +3,12 @@
 #include "pid.h"
 #include "config.h"
 
+History history[3 * 60];
+
+History* historyPtr = history;
+
+unsigned long historyLastMinute = 0;
+
 DS18B20 ds18b20(
   "DS18B20",
   D4
@@ -39,4 +45,20 @@ void addTarget(const double delta) {
   config.markDirty();
 }
 
+void pidSetup() {
+  pid.setup();
+}
+
+void pidLoop() {
+  pid.loop();
+  const auto currentMinute = millis() / 60000;
+  if (historyLastMinute != currentMinute) {
+    historyLastMinute = currentMinute;
+    historyPtr = (historyPtr - history + 1) % std::size(history) + history;
+  }
+  historyPtr->heater = static_cast<uint8_t>(heater.getPercent());
+  historyPtr->target = static_cast<int16_t>(pid.getTarget() * 10);
+  historyPtr->temperature = static_cast<int16_t>(temperature.getValue() * 10);
+}
+
 #endif

src/node/Fermenter/pid.h

@@ -7,6 +7,20 @@
 
 #define HEATER_POWER_W      30
 
+struct History {
+
+  int16_t target;
+
+  int16_t temperature;
+
+  uint8_t heater;
+
+};
+
+extern History history[3 * 60];
+
+extern History* historyPtr;
+
 extern DS18B20 ds18b20;
 
 extern DS18B20Sensor temperature;
@@ -17,4 +31,8 @@ extern PIDController pid;
 
 void addTarget(double delta);
 
+void pidSetup();
+
+void pidLoop();
+
 #endif

src/patrix/Patrix.cpp

@@ -1,6 +1,8 @@
 #include <LittleFS.h>
+
 #include "Patrix.h"
 #include "http.h"
+#include "mqtt.h"
 #include "system.h"
 
 void setup() {

src/patrix/Patrix.h

@@ -1,9 +1,6 @@
 #ifndef PATRIX_H
 #define PATRIX_H
 
-#include "wifi.h"
-#include "mqtt.h"
-
 void patrixSetup();
 
 void patrixLoop();

src/patrix/http.cpp

@@ -5,15 +5,18 @@
 
 AsyncWebServer server(80);
 
-void httpNotFound(AsyncWebServerRequest *request) {
-  if (request->method() == HTTP_OPTIONS) {
+void httpNotFound(AsyncWebServerRequest* request) {
+  const String path = request->url();
+  if (path.endsWith("/") && path.length() > 1) {
+    request->redirect(path.substring(0, path.length() - 1));
+  } else if (request->method() == HTTP_OPTIONS) {
     request->send(200);
   } else {
     request->send(404, "text/plain", "not found");
   }
 }
 
-void httpRestart([[maybe_unused]] AsyncWebServerRequest *request) {
+void httpRestart([[maybe_unused]] AsyncWebServerRequest* request) {
   systemRequestRestart();
   request->send(200, "application/json", "true");
 }

src/patrix/wifi.cpp

@@ -7,7 +7,7 @@
 #define WIFI_SSID             "HappyNet"
 #define WIFI_PASSWORD         "1Grausame!Sackratte7"
 #define NTP_SERVER            "107.189.12.98" /* pool.ntp.org */
-#define BOOT_DELAY_SEC        1
+#define BOOT_DELAY_SEC        5
 
 auto wifiConnected = false;