First commit

drivers/temperature/temperature.c

@@ -0,0 +1,16 @@
+#include "temperature.h"
+#include <nrfx_temp.h>
+#include <zephyr/sys/printk.h>
+
+int temperature_init(void) {
+    nrfx_temp_config_t cfg = NRFX_TEMP_DEFAULT_CONFIG;
+    return nrfx_temp_init(&cfg, NULL);
+}
+
+int temperature_get_celsius(int32_t *temp_c) {
+    nrfx_temp_measure();
+    int32_t raw = nrfx_temp_result_get();
+    /* Convert to °C (raw is 0.25 °C per LSB) */
+    *temp_c = raw / 4;
+    return 0;
+}

drivers/temperature/temperature.h

@@ -0,0 +1,9 @@
+#ifndef TEMPERATURE_H
+#define TEMPERATURE_H
+
+#include <stdint.h>
+
+int temperature_init(void);
+int temperature_get_celsius(int32_t *temp_c);
+
+#endif // TEMPERATURE_H