Merge branch 'master' of https://git.efi.th-nuernberg.de/gitea/schmidtsi76327/ESP8266_Treppenlicht

include/pwm.h

@@ -0,0 +1,38 @@
+#pragma once
+
+#include "PCA9685.h"
+
+class Treppe {
+    private:
+    uint8_t stairs;
+    uint16_t time_per_stair = 300;          // dimmtime per stair [ms]
+    uint16_t idle_brightness = 200;
+    uint16_t active_brightness = 2048;
+
+    uint8_t direction = 0;
+    uint8_t state = 0;
+    uint8_t switch_state = 0;
+
+
+    PCA9685 pwmController;
+    uint8_t softstart_led(uint8_t led, uint16_t startval, uint16_t stopval);
+    void ledsequence();
+
+    public:
+    Treppe(uint8_t _stairs) : stairs(_stairs){}
+    void task();        // call periodically
+
+    void setup();
+
+    // Parameter section
+    uint16_t setIdle(uint16_t _idle_brightness);
+    uint16_t setActive(uint16_t _active_brightness);
+    uint16_t setTime(uint16_t _time_per_stair);
+
+    // Runtime Parameter section
+    uint8_t setDirection(uint8_t _direction);
+    uint8_t setState(uint8_t _state);
+
+    uint8_t getState() { return state;};
+    uint8_t getDirection() {return direction;};
+};

src/main.cpp

@@ -22,35 +22,23 @@ extern "C" {
 #define NODEMCU_LED 16
 
 // PWM
+
+#include "pwm.h"
 os_timer_t timer1;
 uint8_t timer_flag = 0;
-PCA9685 pwmController;
 
-void setup_pwm_pca9685();
+Treppe stairs(13);
+
 
 // WIFI
 const char* ssid = STASSID;
 const char* password = STAPSK;
 
-// PWM
-uint32_t dimmtimer = 0; 
-uint16_t time_per_stair = 500;    // global parameter: dimmtime per stair [ms]
-uint8_t direction = 1;
-uint8_t onoff = 1;
-
-
-void ledsequence(uint8_t direction, uint8_t onoff);
-uint8_t softstart_led(uint8_t led, uint16_t startval, uint16_t stopval);
 
 void timerCallback(void *pArg)
 {
   *((int *) pArg) += 1;
-  
-  ledsequence(direction, onoff);
-  // Serial.print("[");
-  // Serial.print(micros()-m);
-  // Serial.print("] timerCallback\n");
-  // m = micros();
+  stairs.task();
 }
 
 // HTTP
@@ -80,111 +68,6 @@ void handleNotFound() {
   httpServer.send(404, "text/plain", message);
 }
 
-void setup_pwm_pca9685() {
-  pwmController.resetDevices();       // Software resets all PCA9685 devices on Wire line
-
-  pwmController.init(B000000);        // Address pins A5-A0 set to B000000
-  pwmController.setPWMFrequency(200); // Default is 200Hz, supports 24Hz to 1526Hz
-
-  Serial.println(pwmController.getChannelPWM(0)); // Should output 2048, which is 128 << 4
-}
-
-
-uint8_t softstart_led(uint8_t led, uint16_t startval, uint16_t stopval){
-
-  /*
-  softstart task
-
-  - get's called at regular intervals (1ms at the moment)
-  - dimms single led (0 - 15, PCA9685 outputs) with linear intervals vom startval to stopval
-  - calculates pwm steps depending on startval, stopval and timeinterval
-  - -> results in constanst speed
-  - returns 1 if led dimming is running
-  - returns 0 if led dimming is finished
-
-  */
-
-    static uint8_t lastled = 255;
-    static float current_pwm = 0;
-    static float stepsize = 1.0;
-    if(led != lastled){
-      pwmController.setChannelPWM(led, (uint16_t)startval);
-      lastled = led;
-      current_pwm = startval;
-      stepsize = 20*abs(stopval - startval)/(float)time_per_stair;      // only valid at 1ms function call interval
-      return 1;
-    }
-    
-    if(current_pwm > stopval - stepsize && current_pwm < stopval + stepsize) return 0;
-    // todo: duty cycle zero!
-    if(startval > stopval){
-      current_pwm -= stepsize;
-    }
-    else {
-      current_pwm += stepsize;
-    }
-    Serial.println((uint16_t)current_pwm);
-    pwmController.setChannelPWM(led, (uint16_t)current_pwm);
-    return 1;
-}
-
-#define LEDCOUNT 16
-
-void ledsequence(uint8_t direction, uint8_t onoff){
-  static int8_t led = 0;
-  static uint16_t brightness = 0;
-  static uint16_t lastbrightness = 0;
-  static uint8_t finish = 1;
-  static uint16_t status = 0;
-  uint16_t status_build = 0;
-  status_build |= direction << 8;
-  status_build |= onoff;
-  if(status_build != status){                 // check if any parameter changed
-    finish = 0;                               // set state unfinished -> start action
-    if(direction) led = 0;                    // reset led counter depending of direction
-    else          led = LEDCOUNT-1;
-    if(onoff){
-      brightness = 2048;           // set brightness value depending of on/off
-      lastbrightness = 200;
-    }     
-    else{
-      brightness = 200;
-      lastbrightness = 2048;
-    }          
-    status = status_build;                    // set parameter memory
-    Serial.print("----Status Changed! onoff: ");
-    Serial.print(onoff);
-    Serial.print(" dir: ");
-    Serial.println(direction);
-
-  }
-  if(!finish){                                // finish == 0 -> action pending
-      if(!softstart_led(led,lastbrightness, brightness)){
-        Serial.print("one LED finished: ");
-        Serial.print(led);
-        Serial.print(" last: ");
-        Serial.print(lastbrightness);
-        Serial.print(" curr: ");
-        Serial.println(brightness);
-        if(direction){
-          led++;
-          if(led >= LEDCOUNT) {
-            finish = 1;
-            //lastbrightness = brightness;
-            }
-        } 
-        else{
-           led--;
-           if(led < 0){
-             //lastbrightness = brightness;
-             finish = 1;
-            }
-        }
-      }
-  }
-}
-
-
 void setup() {
 #ifdef WITH_DEBUGGING_ON
   Serial.begin(460800);
@@ -222,18 +105,21 @@ void setup() {
   httpServer.onNotFound(handleNotFound);
   Serial.println("HTTP server started !");
 
-  setup_pwm_pca9685();
+  stairs.setup();
   Serial.println("PCA9685 connected !");
 
   os_timer_setfn(&timer1, timerCallback, &timer_flag);
   os_timer_arm(&timer1, 20, true);
+
+  stairs.setState(1);
+  stairs.setDirection(1);
 }
 
 void loop() {
-  if(millis() > 25000 && onoff == 1 && direction == 1) onoff = 0;
-  if(millis() > 45000 && direction == 1){
-    onoff = 1;
-    direction = 0;
+  if(millis() > 25000 && stairs.getState() == 1 && stairs.getDirection() == 1) stairs.setState(0);
+  if(millis() > 45000 && stairs.getDirection() == 1){
+    stairs.setState(1);
+    stairs.setDirection(0);
   }
   TIMEIF_US(ArduinoOTA.handle(), 1000, "OTA");
   TIMEIF_US(httpServer.handleClient(), 1000, "HTTP");

src/pwm.cpp

@@ -0,0 +1,136 @@
+#include "pwm.h"
+
+uint8_t Treppe::softstart_led(uint8_t led, uint16_t startval, uint16_t stopval){
+    /*
+  softstart task
+
+  - get's called at regular intervals (1ms at the moment)
+  - dimms single led (0 - 15, PCA9685 outputs) with linear intervals vom startval to stopval
+  - calculates pwm steps depending on startval, stopval and timeinterval
+  - -> results in constanst speed
+  - returns 1 if led dimming is running
+  - returns 0 if led dimming is finished
+
+  */
+
+    static uint8_t lastled = 255;
+    static float current_pwm = 0;
+    static float stepsize = 1.0;
+    if(led != lastled){
+      pwmController.setChannelPWM(led, (uint16_t)startval);
+      lastled = led;
+      current_pwm = startval;
+      stepsize = 20*abs(stopval - startval)/(float)time_per_stair;      // only valid at 1ms function call interval
+      return 1;
+    }
+    
+    if(current_pwm > stopval - stepsize && current_pwm < stopval + stepsize) return 0;
+    // todo: duty cycle zero!
+    if(startval > stopval){
+      current_pwm -= stepsize;
+    }
+    else {
+      current_pwm += stepsize;
+    }
+    Serial.println((uint16_t)current_pwm);
+    pwmController.setChannelPWM(led, (uint16_t)current_pwm);
+    return 1;
+}
+
+void Treppe::ledsequence(){
+  static int8_t led = 0;
+  static uint16_t brightness = 0;
+  static uint16_t lastbrightness = 0;
+  static uint8_t finish = 1;
+  static uint16_t status = 0;
+  uint16_t status_build = 0;
+  status_build |= direction << 8;
+  status_build |= state;
+  if(status_build != status){                 // check if any parameter changed
+    finish = 0;                               // set state unfinished -> start action
+    if(direction) led = 0;                    // reset led counter depending of direction
+    else          led = stairs-1;
+    if(state){
+      brightness = active_brightness;           // set brightness value depending of on/off
+      lastbrightness = idle_brightness;
+    }     
+    else{
+      brightness = idle_brightness;
+      lastbrightness = active_brightness;
+    }          
+    status = status_build;                    // set parameter memory
+    Serial.print("----Status Changed! onoff: ");
+    Serial.print(state);
+    Serial.print(" dir: ");
+    Serial.println(direction);
+
+  }
+  if(!finish){                                // finish == 0 -> action pending
+      if(!softstart_led(led,lastbrightness, brightness)){
+        Serial.print("one LED finished: ");
+        Serial.print(led);
+        Serial.print(" last: ");
+        Serial.print(lastbrightness);
+        Serial.print(" curr: ");
+        Serial.println(brightness);
+        if(direction){
+          led++;
+          if(led >= stairs) {
+            finish = 1;
+            //lastbrightness = brightness;
+            }
+        } 
+        else{
+           led--;
+           if(led < 0){
+             //lastbrightness = brightness;
+             finish = 1;
+            }
+        }
+      }
+  }
+}
+
+void Treppe::setup(){
+    pwmController.resetDevices();
+    pwmController.init(B000000);
+    pwmController.setPWMFrequency(200);
+    Serial.println("Hello from Treppe");
+    Serial.print("Treppe: initial parameters: stairs=");
+    Serial.println(stairs);
+}
+void Treppe::task(){
+    ledsequence();
+}
+
+uint16_t Treppe::setIdle(uint16_t _idle_brightness){
+    idle_brightness = _idle_brightness;
+    Serial.println("Treppe: idle brightness changed!");
+    return idle_brightness;
+}
+uint16_t Treppe::setActive(uint16_t _active_brightness){
+    active_brightness = _active_brightness;
+    Serial.println("Treppe: active brightness changed!");
+    return active_brightness;
+}
+uint16_t Treppe::setTime(uint16_t _time_per_stair){
+    time_per_stair = _time_per_stair;
+    Serial.println("Treppe: time changed!");
+    return time_per_stair;
+}
+
+uint8_t Treppe::setDirection(uint8_t _direction){
+    direction = _direction;
+    Serial.println("Treppe: Direction changed!");
+    // to do: implement state command variable to determine dimm-state
+    return direction;
+}
+
+uint8_t Treppe::setState(uint8_t _state){
+    if(state == _state) return 1;
+    else{
+        state = _state;
+        Serial.println("Treppe: State changed!");
+    }  
+    return 0;
+}