1 files changed, 14 insertions, 2 deletions
diff --git a/demos/ARMCM3-STM32F103-IAR/main.c b/demos/ARMCM3-STM32F103-IAR/main.c
index a3a5c062e..e133e6e3b 100644
--- a/demos/ARMCM3-STM32F103-IAR/main.c
+++ b/demos/ARMCM3-STM32F103-IAR/main.c
@@ -22,7 +22,7 @@
 #include "test.h"
 
 /*
- * Red LEDs blinker thread, times are in milliseconds.
+ * Red LED blinker thread, times are in milliseconds.
  */
 static WORKING_AREA(waThread1, 128);
 static msg_t Thread1(void *arg) {
@@ -34,10 +34,11 @@ static msg_t Thread1(void *arg) {
     palSetPad(IOPORT3, GPIOC_LED);
     chThdSleepMilliseconds(500);
   }
+  return 0;
 }
 
 /*
- * Entry point.
+ * Application entry point.
  */
 int main(int argc, char **argv) {
 
@@ -45,6 +46,16 @@ int main(int argc, char **argv) {
   (void)argv;
 
   /*
+   * System initializations.
+   * - HAL initialization, this also initializes the configured device drivers
+   *   and performs the board-specific initializations.
+   * - Kernel initialization, the main() function becomes a thread and the
+   *   RTOS is active.
+   */
+  halInit();
+  chSysInit();
+
+  /*
    * Activates the serial driver 2 using the driver default configuration.
    */
   sdStart(&SD2, NULL);
@@ -63,4 +74,5 @@ int main(int argc, char **argv) {
       TestThread(&SD2);
     chThdSleepMilliseconds(500);
   }
+  return 0;
 }