Add overheat protection

barista/test/test_ntc.c

@@ -1,3 +1,6 @@
+/* Copyright (c) 2025 Rodrigo Arias Mallo <rodarima@gmail.com>
+ * SPDX-License-Identifier: GPL-3.0-or-later */
+
 #include <stdio.h>
 #include "ntc.h"
 

barista/test/test_overheat.c

@@ -0,0 +1,36 @@
+/* Copyright (c) 2025 Rodrigo Arias Mallo <rodarima@gmail.com>
+ * SPDX-License-Identifier: GPL-3.0-or-later */
+
+#include <stdio.h>
+#include "overheat.h"
+
+/* Read a CSV from the stdin in the format
+ * <time_in_seconds> <state> <temp_in_C>
+ * skipping the first row (header).
+ *
+ * Outputs overheat state. */
+
+#define MAX_LINE 1024
+
+int main(void)
+{
+	char buf[MAX_LINE];
+	fgets(buf, MAX_LINE, stdin);
+
+	float t, temp;
+	int st;
+
+	struct overheat ovh;
+	overheat_init(&ovh);
+
+	while (scanf("%f %d %f", &t, &st, &temp) == 3) {
+
+		overheat_input(&ovh, t * 1000.0, temp);
+		float delta = overheat_delta(&ovh);
+		int panic = overheat_panic(&ovh);
+
+		printf("%.3f %d %.2f %.1f %s\n", t, st, temp, delta, panic ? "PANIC" : "OK");
+	}
+
+	return 0;
+}