1 files changed, 16 insertions, 1 deletions
diff --git a/demos/ARMCM3-STM32F103-GCC/halconf.h b/demos/ARMCM3-STM32F103-GCC/halconf.h
index 2faba92d8..4e2e694c4 100644
--- a/demos/ARMCM3-STM32F103-GCC/halconf.h
+++ b/demos/ARMCM3-STM32F103-GCC/halconf.h
@@ -20,10 +20,18 @@
 /**
  * @file templates/halconf.h
  * @brief HAL configuration header.
- * @addtogroup HAL
+ * @addtogroup HAL_CONF
  * @{
  */
 
+/*
+ * HAL configuration file, this file allows to enable or disable the various
+ * device drivers from your application. You may also use this file in order
+ * to change the device drivers settings found in the low level drivers
+ * headers, just define here the new settings and those will override the
+ * defaults defined in the LLD headers.
+ */
+
 #ifndef _HALCONF_H_
 #define _HALCONF_H_
 
@@ -56,6 +64,13 @@
 #endif
 
 /**
+ * @brief Enables the PWM subsystem.
+ */
+#if !defined(CH_HAL_USE_PWM) || defined(__DOXYGEN__)
+#define CH_HAL_USE_PWM                  FALSE
+#endif
+
+/**
  * @brief Enables the SERIAL subsystem.
  */
 #if !defined(CH_HAL_USE_SERIAL) || defined(__DOXYGEN__)