From 31c268487cfe3f8f40c93192dfeb68ce6c66986b Mon Sep 17 00:00:00 2001
From: bartschdo76253 <bartschdo76253@th-nuernberg.de>
Date: Mon, 19 Jul 2021 11:31:32 +0200
Subject: [PATCH] EEP implementation

---
 lib/treppe/treppe.cpp | 11 ++++++++++-
 lib/treppe/treppe.h   |  4 ++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/lib/treppe/treppe.cpp b/lib/treppe/treppe.cpp
index 6fe8f0e..c8bcfeb 100644
--- a/lib/treppe/treppe.cpp
+++ b/lib/treppe/treppe.cpp
@@ -303,6 +303,8 @@ void Treppe::setup()
   pwmController.setPWMFrequency(100);
   //pwmController.setAllChannelsPWM(idle_pwm);
 
+  EEPROM.get(EEP_START_ADDR, parameters);     // get Parameters of flash
+
   pinMode(13, OUTPUT);
   pinMode(0, OUTPUT);
   digitalWrite(13, HIGH);
@@ -317,13 +319,17 @@ void Treppe::setup()
   Serial.printf("Treppe: stufen=%d\n", stufen);
 }
 
+void Treppe::saveParam(){
+  EEPROM.put(EEP_START_ADDR, parameters); // copy Parameters so "EEPROM"-section in RAM
+  EEPROM.commit();                        // write "EEPROM"-section to flash
+}
+
 void Treppe::set_idle_prozent(const int prozent) 
 {
   // future use: parameters.idle_max_pwm
   uint16_t new_pwm = parameters.active_pwm * prozent / 100;
   set_idle_pwm_max(new_pwm);
 }
-
 void Treppe::set_idle_pwm_max(const uint16_t new_pwm)
 {
   // future use: parameters.idle_max_pwm
@@ -335,15 +341,18 @@ void Treppe::set_idle_pwm_max(const uint16_t new_pwm)
 
   Serial.printf("Treppe: idle_pwm_soll=%d\n", idle_pwm_soll);
   fsm_pend.ldr_changed = true;
+  //saveParam();        //uncomment if idle_pwm_max is used
 }
 
 void Treppe::set_active_pwm(uint16_t _active_pwm)
 {
   parameters.active_pwm = _active_pwm;
   Serial.printf("Treppe: active_pwm=%d\n", parameters.active_pwm);
+  saveParam();
 }
 void Treppe::set_time_per_stair(uint16_t _time_per_stair)
 {
   parameters.time_per_stair = _time_per_stair;
   Serial.printf("Treppe: time_per_stair=%d\n", parameters.time_per_stair);
+  saveParam();
 }
\ No newline at end of file
diff --git a/lib/treppe/treppe.h b/lib/treppe/treppe.h
index a303ec2..1e5d4fa 100644
--- a/lib/treppe/treppe.h
+++ b/lib/treppe/treppe.h
@@ -3,6 +3,7 @@
 
 #include "FSMTreppe3/FSMTreppe3.h"
 #include "PCA9685.h"
+#include <EEPROM.h>
 
 // #define LDRDEBUG  // comment in to override LDR measurement 
 #define LDR_HYS 1  // Hysteresis for switching off FSM [lux]
@@ -13,6 +14,8 @@
 
 #define INT_TIME 20  // interrupt intervall [ms]
 
+#define EEP_START_ADDR 100      // define Start Address for "EEPROM" storage -> depends on size of "wifi_data"!
+
 class Treppe {
 private:
     const uint8_t stufen;
@@ -104,6 +107,7 @@ public:
     void task();        // call periodically
 
     // Parameter section
+    void saveParam();
     void set_idle_prozent(int prozent);
     void set_idle_pwm_max(const uint16_t new_pwm);
     void set_active_pwm(uint16_t _active_pwm);