From 8a5738efed441405a679d00ce8815444c96c5e22 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aur=C3=A9lien=20Gauthier?= <gauthier847@gmail.com>
Date: Thu, 8 Jan 2026 21:25:57 +0100
Subject: [PATCH] Minor R script changes and tries, add synch starting time
 wakeup.

---
 .gitignore                   |  1 +
 exec/plot_measures.r         |  2 +-
 exec/random_forest_predict.r | 17 +++++++----------
 src/main.cpp                 | 23 +++++++++++++++++------
 4 files changed, 26 insertions(+), 17 deletions(-)

diff --git a/.gitignore b/.gitignore
index 43b451b..d8047b5 100755
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,7 @@ serial
 *.drawio.bkp
 data/*
 .Rhistory
+.RData
 
 
 # Created by https://www.toptal.com/developers/gitignore/api/platformio,c++
diff --git a/exec/plot_measures.r b/exec/plot_measures.r
index fd1d831..56d70bc 100644
--- a/exec/plot_measures.r
+++ b/exec/plot_measures.r
@@ -7,7 +7,7 @@ library(ggplot2)
 setwd("~/Documents/PlatformIO/Projects/Robot_Go_West/arduino-photometrics/exec")
 
 # solar <- read.csv("../data/solar_pos_data/solar_data_2026-06-01_to_2026-06-15.csv", header=TRUE)
-photo <- read.csv("../data/arduino_data_package_auto_20260105_151537.csv", header=TRUE)
+photo <- read.csv("../data/photo_measures/arduino_data_package_auto_20260107_143141.csv", header=TRUE)
 
 photo$time <- as.POSIXct(photo$Epoch)
 ggplot(data = photo, aes(x = time))+
diff --git a/exec/random_forest_predict.r b/exec/random_forest_predict.r
index 08cb28c..8dbee22 100644
--- a/exec/random_forest_predict.r
+++ b/exec/random_forest_predict.r
@@ -1,4 +1,4 @@
-install.packages('randomForest')
+# install.packages('randomForest')
 
 library(tidyverse)
 library(ggplot2)
@@ -28,8 +28,6 @@ photo <- photo %>%
     rad_hour = decimal_hour * (2*pi / 24),
     sin_hour = sin(rad_hour),
     cos_hour = cos(rad_hour)
-    
-    # TODO: sin of the day in the year
   )
 
 # Transform data to improve learning during the training phase
@@ -73,7 +71,7 @@ set.seed(123)
 binded <- binded %>% mutate(id = row_number())
 
 random_train_data <- binded %>% sample_frac(0.80)
-random_test_data  <- anti_join(binded, train_data, by = "id")
+random_test_data  <- anti_join(binded, random_train_data, by = "id")
 
 random_train_data$id <- NULL
 random_test_data$id <- NULL
@@ -94,11 +92,10 @@ summary(chrono_test_data$azimut)
 
 # Model creation
 nb_tree = 100
-yes <- data.frame(
-  jour = binded$utime, 
-   = binded$Epoch
-)
-random_model <- randomForest(azimut ~ , data = random_train_data, ntree = nb_tree)
-chrono_model <- randomForest(azimut ~ , data = chrono_train_data, ntree = nb_tree)
+random_features <- random_train_data[, c("sin_day", "sin_hour", "cos_hour", "Photo_sensor0", "Photo_sensor1", "Photo_sensor2", "Photo_sensor4", "Photo_sensor5", "Temp_sensor0")]
+random_features <- chrono_train_data[, c("sin_day", "sin_hour", "cos_hour", "Photo_sensor0", "Photo_sensor1", "Photo_sensor2", "Photo_sensor4", "Photo_sensor5", "Temp_sensor0")]
 
 
+random_model <- randomForest(azimut ~ random_features, data = random_train_data, ntree = nb_tree)
+chrono_model <- randomForest(azimut ~ chrono_features, data = chrono_train_data, ntree = nb_tree)
+
diff --git a/src/main.cpp b/src/main.cpp
index c2dfe43..e20df17 100755
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -37,7 +37,7 @@ RTClib myRTC;
 DS3231 Clock;
 
 void elapsed_time();
-void alarm_timer();
+void alarm_timer(bool b_synch);
 
 void setup() {
     Wire.begin();
@@ -49,8 +49,8 @@ void setup() {
 
     s_manager.setup(nbPhotoSensor, analogPin);
     sto_intrf.add_last_package(timestamping, true, photo_sensor, temp_sensor, schedule, nbPhotoSensor, nbTempSensor, photo_sensor_size, temp_sensor_size);
-
-    alarm_timer();
+    bool b_synch = true;
+    alarm_timer(b_synch);
 
     // NOTE : DS3231 lib advise to set the unused alarm to an inaccessible time to avoid unwanted signal (even alarm set off)
     byte min_alarm2 = 0xFF; // a value that will never match the time
@@ -135,8 +135,9 @@ void loop() {
                 delay(10);
             }
         }
+        bool b_synch = false;
         // Set next weak up
-        alarm_timer();
+        alarm_timer(b_synch);
 
 #ifdef DEBUG
         printDate(Clock, decTemp);
@@ -204,14 +205,24 @@ void loop() {
     LowPower.powerDown(SLEEP_FOREVER, ADC_OFF, BOD_OFF);
 }
 
-void alarm_timer(){
+/**
+* @brief alarm_timer
+* * init next alarm and synchronise alarm at the start of the next hour when b_synch is true
+* 
+* * @param b_synch @c Bool
+*/
+void alarm_timer(bool b_synch){
 #ifdef DEBUG
     // Debug deep sleep timer
     sec = 10; min = 0; hour = 0; day = 0; // Don't set under 5 sec, execution code time duration is around 2 or 3 seconde with prints
 #endif
 
     uint32_t unix_time = RTClib::now().unixtime();
-    unix_time += sec + min * 60 + hour * 3600 + day * 24 * 3600;
+    if(b_synch){
+        unix_time += 3600 - (unix_time%3600);
+    }else{
+        unix_time += sec + min * 60 + hour * 3600 + day * 24 * 3600;
+    }
     //unix_time += sec + 60*((60*((60*24) + hour)) + min);
     DateTime alarmDT = DateTime(unix_time);