gas_sensor

commit 29802bf51a1760c02e4b8ee4dfaed156ca1d694f
parent 86442e180de98829d7d80fd52a233aa7c17852f1
Author: Tonton <tonterface@proton.me>
Date:   Thu,  9 Jul 2026 13:49:18 +0200

add decide function

Diffstat:
M
src/sensor.cpp
 | 
24
++++++++++++++++--------

1 file changed, 16 insertions(+), 8 deletions(-)
diff --git a/src/sensor.cpp b/src/sensor.cpp
@@ -1,4 +1,6 @@
-/* sensor utilities */
+/* sensor utilities
+ * Handles all interaction with sensor
+ */
 
 #include <Arduino.h>
 
@@ -26,6 +28,7 @@ static int *read_series(int sensor);
 static int find_interval(int *series, int sensor);
 static int in_range(int num, int u_lim, int l_lim);
 static int get_average(int *series);
+static int decide_result(int *ser);
 
 /* variables */
 struct interval sensor1_intervals[INTERVAL_NUMBER];
@@ -102,8 +105,6 @@ get_average(int *series, int size)
 static int
 find_interval(int in, int sensor)
 {
-	/* only checks a single int currently */
-	/* maybe make this receive an avg of series??*/
 	struct interval *ivl= NULL;
 	int u_lim, l_lim = 0;
 
@@ -122,6 +123,14 @@ find_interval(int in, int sensor)
 	return 0;
 }
 
+/* consolidate partial results from sensor to final verdict, -1 if undecided */
+static int
+decide_result(int *ser)
+{
+	/* testing */
+	return 1;
+}
+
 void
 sensor_init(void)
 {
@@ -147,9 +156,9 @@ sensor_read(int sensor)
 int
 sensor_analyze(void)
 {
-	int *ser, res, avg;
+	int *ser, *tmp, res, avg;
 
-	ser = NULL;
+	ser = tmp = NULL;
 	res = avg = 0;
 
 	for (int i = 0; i < SENSOR_NUMBER; ++i) {
@@ -160,11 +169,10 @@ sensor_analyze(void)
 			goto out_free_ser;
 		}
 		avg = get_average(ser, SAMPLE_NUMBER);
-		find_interval(avg, i);
+		tmp[i] = find_interval(avg, i);
 	}
 
-	/* temp */
-	res = 1;
+	res = decide_result(tmp);
 
 out_free_ser:
 	free(ser);