Added missing entry to halconf.h files.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8677 35acf78f-673a-0410-8e92-d51de3d6d3f4
author: Giovanni Di Sirio <gdisirio@gmail.com> 2016-01-03 11:22:38 +0000
committer: Giovanni Di Sirio <gdisirio@gmail.com> 2016-01-03 11:22:38 +0000
commit: f14b80fff13875c0736dc779e2f83cda25b8d8da (patch)
tree: 682901684980128037232b77c52c115e4ffcbb59 /demos/STM32
parent: 4972de4967f5c175edb6b6c4c4706695812873bc (diff)
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40 files changed, 400 insertions, 120 deletions
diff --git a/demos/STM32/CMSIS-STM32F407-DISCOVERY/halconf.h b/demos/STM32/CMSIS-STM32F407-DISCOVERY/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/CMSIS-STM32F407-DISCOVERY/halconf.h
+++ b/demos/STM32/CMSIS-STM32F407-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/HAL-STM32F407-DISCOVERY/halconf.h b/demos/STM32/HAL-STM32F407-DISCOVERY/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/HAL-STM32F407-DISCOVERY/halconf.h
+++ b/demos/STM32/HAL-STM32F407-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/NIL-STM32F051-DISCOVERY/halconf.h b/demos/STM32/NIL-STM32F051-DISCOVERY/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/NIL-STM32F051-DISCOVERY/halconf.h
+++ b/demos/STM32/NIL-STM32F051-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/NIL-STM32F100-DISCOVERY/halconf.h b/demos/STM32/NIL-STM32F100-DISCOVERY/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/NIL-STM32F100-DISCOVERY/halconf.h
+++ b/demos/STM32/NIL-STM32F100-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/NIL-STM32F303-DISCOVERY/halconf.h b/demos/STM32/NIL-STM32F303-DISCOVERY/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/NIL-STM32F303-DISCOVERY/halconf.h
+++ b/demos/STM32/NIL-STM32F303-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/NIL-STM32F373-STM32373C_EVAL/halconf.h b/demos/STM32/NIL-STM32F373-STM32373C_EVAL/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/NIL-STM32F373-STM32373C_EVAL/halconf.h
+++ b/demos/STM32/NIL-STM32F373-STM32373C_EVAL/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/NIL-STM32L152-DISCOVERY/halconf.h b/demos/STM32/NIL-STM32L152-DISCOVERY/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/NIL-STM32L152-DISCOVERY/halconf.h
+++ b/demos/STM32/NIL-STM32L152-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F030R8-NUCLEO/halconf.h b/demos/STM32/RT-STM32F030R8-NUCLEO/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F030R8-NUCLEO/halconf.h
+++ b/demos/STM32/RT-STM32F030R8-NUCLEO/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F031K6-NUCLEO32/halconf.h b/demos/STM32/RT-STM32F031K6-NUCLEO32/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F031K6-NUCLEO32/halconf.h
+++ b/demos/STM32/RT-STM32F031K6-NUCLEO32/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F042K6-NUCLEO32/halconf.h b/demos/STM32/RT-STM32F042K6-NUCLEO32/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F042K6-NUCLEO32/halconf.h
+++ b/demos/STM32/RT-STM32F042K6-NUCLEO32/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F051-DISCOVERY/halconf.h b/demos/STM32/RT-STM32F051-DISCOVERY/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F051-DISCOVERY/halconf.h
+++ b/demos/STM32/RT-STM32F051-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F072-DISCOVERY/halconf.h b/demos/STM32/RT-STM32F072-DISCOVERY/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F072-DISCOVERY/halconf.h
+++ b/demos/STM32/RT-STM32F072-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F072RB-NUCLEO/halconf.h b/demos/STM32/RT-STM32F072RB-NUCLEO/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F072RB-NUCLEO/halconf.h
+++ b/demos/STM32/RT-STM32F072RB-NUCLEO/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F091RC-NUCLEO/halconf.h b/demos/STM32/RT-STM32F091RC-NUCLEO/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F091RC-NUCLEO/halconf.h
+++ b/demos/STM32/RT-STM32F091RC-NUCLEO/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F100-DISCOVERY/halconf.h b/demos/STM32/RT-STM32F100-DISCOVERY/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F100-DISCOVERY/halconf.h
+++ b/demos/STM32/RT-STM32F100-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F103-MAPLEMINI/halconf.h b/demos/STM32/RT-STM32F103-MAPLEMINI/halconf.h
index a0fc6d4d7..9349c6dfb 100644
--- a/demos/STM32/RT-STM32F103-MAPLEMINI/halconf.h
+++ b/demos/STM32/RT-STM32F103-MAPLEMINI/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F103-OLIMEX_STM32_P103/halconf.h b/demos/STM32/RT-STM32F103-OLIMEX_STM32_P103/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F103-OLIMEX_STM32_P103/halconf.h
+++ b/demos/STM32/RT-STM32F103-OLIMEX_STM32_P103/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F103-STM3210E_EVAL-FATFS-USB/halconf.h b/demos/STM32/RT-STM32F103-STM3210E_EVAL-FATFS-USB/halconf.h
index 27b7b530f..d43310597 100644
--- a/demos/STM32/RT-STM32F103-STM3210E_EVAL-FATFS-USB/halconf.h
+++ b/demos/STM32/RT-STM32F103-STM3210E_EVAL-FATFS-USB/halconf.h
@@ -323,6 +323,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -352,7 +359,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -360,7 +367,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -372,7 +379,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F103RB-NUCLEO/halconf.h b/demos/STM32/RT-STM32F103RB-NUCLEO/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F103RB-NUCLEO/halconf.h
+++ b/demos/STM32/RT-STM32F103RB-NUCLEO/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F103_INEMO_DISCOVERY/halconf.h b/demos/STM32/RT-STM32F103_INEMO_DISCOVERY/halconf.h
index a0fc6d4d7..9349c6dfb 100644
--- a/demos/STM32/RT-STM32F103_INEMO_DISCOVERY/halconf.h
+++ b/demos/STM32/RT-STM32F103_INEMO_DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F207-DISCOVERY/halconf.h b/demos/STM32/RT-STM32F207-DISCOVERY/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F207-DISCOVERY/halconf.h
+++ b/demos/STM32/RT-STM32F207-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F302R8-NUCLEO/halconf.h b/demos/STM32/RT-STM32F302R8-NUCLEO/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F302R8-NUCLEO/halconf.h
+++ b/demos/STM32/RT-STM32F302R8-NUCLEO/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F303-DISCOVERY/halconf.h b/demos/STM32/RT-STM32F303-DISCOVERY/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F303-DISCOVERY/halconf.h
+++ b/demos/STM32/RT-STM32F303-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F303K8-NUCLEO32/halconf.h b/demos/STM32/RT-STM32F303K8-NUCLEO32/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F303K8-NUCLEO32/halconf.h
+++ b/demos/STM32/RT-STM32F303K8-NUCLEO32/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F334R8-NUCLEO/halconf.h b/demos/STM32/RT-STM32F334R8-NUCLEO/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F334R8-NUCLEO/halconf.h
+++ b/demos/STM32/RT-STM32F334R8-NUCLEO/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F373-STM32373C_EVAL/halconf.h b/demos/STM32/RT-STM32F373-STM32373C_EVAL/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F373-STM32373C_EVAL/halconf.h
+++ b/demos/STM32/RT-STM32F373-STM32373C_EVAL/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F401C-DISCOVERY/halconf.h b/demos/STM32/RT-STM32F401C-DISCOVERY/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F401C-DISCOVERY/halconf.h
+++ b/demos/STM32/RT-STM32F401C-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F401RE-NUCLEO/halconf.h b/demos/STM32/RT-STM32F401RE-NUCLEO/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F401RE-NUCLEO/halconf.h
+++ b/demos/STM32/RT-STM32F401RE-NUCLEO/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F407-DISCOVERY-G++/halconf.h b/demos/STM32/RT-STM32F407-DISCOVERY-G++/halconf.h
index 41c6db2b5..79e85ae20 100644
--- a/demos/STM32/RT-STM32F407-DISCOVERY-G++/halconf.h
+++ b/demos/STM32/RT-STM32F407-DISCOVERY-G++/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F407-DISCOVERY-MEMS/halconf.h b/demos/STM32/RT-STM32F407-DISCOVERY-MEMS/halconf.h
index bc784cbfc..95a99bdf4 100644
--- a/demos/STM32/RT-STM32F407-DISCOVERY-MEMS/halconf.h
+++ b/demos/STM32/RT-STM32F407-DISCOVERY-MEMS/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F407-DISCOVERY/halconf.h b/demos/STM32/RT-STM32F407-DISCOVERY/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F407-DISCOVERY/halconf.h
+++ b/demos/STM32/RT-STM32F407-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/halconf.h b/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/halconf.h
index 5056fd725..f9546cf1a 100644
--- a/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/halconf.h
+++ b/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/halconf.h
@@ -323,6 +323,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -352,7 +359,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -360,7 +367,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -372,7 +379,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F411RE-NUCLEO/halconf.h b/demos/STM32/RT-STM32F411RE-NUCLEO/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F411RE-NUCLEO/halconf.h
+++ b/demos/STM32/RT-STM32F411RE-NUCLEO/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F429-DISCOVERY/halconf.h b/demos/STM32/RT-STM32F429-DISCOVERY/halconf.h
index a0fc6d4d7..9349c6dfb 100644
--- a/demos/STM32/RT-STM32F429-DISCOVERY/halconf.h
+++ b/demos/STM32/RT-STM32F429-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F746G-DISCOVERY-LWIP-FATFS-USB/halconf.h b/demos/STM32/RT-STM32F746G-DISCOVERY-LWIP-FATFS-USB/halconf.h
index 86a845bdf..50209bce7 100644
--- a/demos/STM32/RT-STM32F746G-DISCOVERY-LWIP-FATFS-USB/halconf.h
+++ b/demos/STM32/RT-STM32F746G-DISCOVERY-LWIP-FATFS-USB/halconf.h
@@ -323,6 +323,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -352,7 +359,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -360,7 +367,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -372,7 +379,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32F746G-DISCOVERY/halconf.h b/demos/STM32/RT-STM32F746G-DISCOVERY/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32F746G-DISCOVERY/halconf.h
+++ b/demos/STM32/RT-STM32F746G-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32L053R8-NUCLEO/halconf.h b/demos/STM32/RT-STM32L053R8-NUCLEO/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32L053R8-NUCLEO/halconf.h
+++ b/demos/STM32/RT-STM32L053R8-NUCLEO/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32L152-DISCOVERY/halconf.h b/demos/STM32/RT-STM32L152-DISCOVERY/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32L152-DISCOVERY/halconf.h
+++ b/demos/STM32/RT-STM32L152-DISCOVERY/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32L152RE-NUCLEO/halconf.h b/demos/STM32/RT-STM32L152RE-NUCLEO/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32L152RE-NUCLEO/halconf.h
+++ b/demos/STM32/RT-STM32L152RE-NUCLEO/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
diff --git a/demos/STM32/RT-STM32L476RG-NUCLEO/halconf.h b/demos/STM32/RT-STM32L476RG-NUCLEO/halconf.h
index ca98c1347..af94b0518 100644
--- a/demos/STM32/RT-STM32L476RG-NUCLEO/halconf.h
+++ b/demos/STM32/RT-STM32L476RG-NUCLEO/halconf.h
@@ -316,6 +316,13 @@
 #define SERIAL_USB_BUFFERS_SIZE     256
 #endif
 
+/**
+ * @brief   Serial over USB number of buffers.
+ * @note    The default is 2 buffers.
+ */
+#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
+#define SERIAL_USB_BUFFERS_NUMBER   2
+
 /*===========================================================================*/
 /* SPI driver related settings.                                              */
 /*===========================================================================*/
@@ -345,7 +352,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
-#define UART_USE_WAIT                       FALSE
+#define UART_USE_WAIT               FALSE
 #endif
 
 /**
@@ -353,7 +360,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
-#define UART_USE_MUTUAL_EXCLUSION           FALSE
+#define UART_USE_MUTUAL_EXCLUSION   FALSE
 #endif
 
 /*===========================================================================*/
@@ -365,7 +372,7 @@
  * @note    Disabling this option saves both code and data space.
  */
 #if !defined(USB_USE_WAIT) || defined(__DOXYGEN__)
-#define USB_USE_WAIT                        FALSE
+#define USB_USE_WAIT                FALSE
 #endif
 
 #endif /* _HALCONF_H_ */
author	Giovanni Di Sirio <gdisirio@gmail.com>	2016-01-03 11:22:38 +0000
committer	Giovanni Di Sirio <gdisirio@gmail.com>	2016-01-03 11:22:38 +0000
commit	f14b80fff13875c0736dc779e2f83cda25b8d8da (patch)
tree	682901684980128037232b77c52c115e4ffcbb59 /demos/STM32
parent	4972de4967f5c175edb6b6c4c4706695812873bc (diff)
download	ChibiOS-f14b80fff13875c0736dc779e2f83cda25b8d8da.tar.gz ChibiOS-f14b80fff13875c0736dc779e2f83cda25b8d8da.tar.bz2 ChibiOS-f14b80fff13875c0736dc779e2f83cda25b8d8da.zip