Revision 43:e3d4af315dd8, committed 2016-01-04

Comitter:

mbed_official

Date:

Mon Jan 04 12:15:11 2016 +0000

Parent:

42:367d7b10ab62

Child:

44:520636e34279

Commit message:

Synchronized with git revision a63257b05f089cc4258f15d451450cf2fd28af96

Full URL: https://github.com/mbedmicro/mbed/commit/a63257b05f089cc4258f15d451450cf2fd28af96/

[TARGET_STMF0] Fix #1419 baudrateissue

Changed in this revision

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_DISCO_F051R8/cmsis_nvic.c	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_DISCO_F051R8/cmsis_nvic.c	Mon Jan 04 12:15:11 2016 +0000
@@ -27,7 +27,7 @@
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *******************************************************************************
- */ 
+ */
 #include "cmsis_nvic.h"
 
 #define NVIC_RAM_VECTOR_ADDRESS   (0x20000000)  // Vectors positioned at start of RAM
@@ -35,23 +35,18 @@
 
 void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
     int i;
-    // To keep track that the vectors remap is done
-    static volatile uint32_t vtor_remap = 0;
-    // Space for dynamic vectors, initialised to allocate in R/W
-    static volatile uint32_t *vectors = (uint32_t *)NVIC_RAM_VECTOR_ADDRESS;
     
     // Copy and switch to dynamic vectors if first time called
-    if (vtor_remap == 0) {
-      uint32_t *old_vectors = (uint32_t *)NVIC_FLASH_VECTOR_ADDRESS;
-      for (i = 0; i < NVIC_NUM_VECTORS; i++) {    
-          vectors[i] = old_vectors[i];
-      }
-      SYSCFG->CFGR1 |= 0x03; // Embedded SRAM mapped at 0x00000000
-      vtor_remap = 1; // The vectors remap is done
+    if ((SYSCFG->CFGR1 & SYSCFG_CFGR1_MEM_MODE) != SYSCFG_CFGR1_MEM_MODE) {
+        uint32_t *old_vectors = (uint32_t *)NVIC_FLASH_VECTOR_ADDRESS;
+        for (i = 0; i < NVIC_NUM_VECTORS; i++) {
+            *((uint32_t *)(NVIC_RAM_VECTOR_ADDRESS + (i*4))) = old_vectors[i];
+        }
+        SYSCFG->CFGR1 |= SYSCFG_CFGR1_MEM_MODE; // Embedded SRAM mapped at 0x00000000
     }
 
     // Set the vector
-    vectors[IRQn + 16] = vector;
+    *((uint32_t *)(NVIC_RAM_VECTOR_ADDRESS + (IRQn*4) + (NVIC_USER_IRQ_OFFSET*4))) = vector;
 }
 
 uint32_t NVIC_GetVector(IRQn_Type IRQn) {

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_DISCO_F051R8/system_stm32f0xx.c	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_DISCO_F051R8/system_stm32f0xx.c	Mon Jan 04 12:15:11 2016 +0000
@@ -82,7 +82,6 @@
   */
 
 #include "stm32f0xx.h"
-
 /**
   * @}
   */
@@ -161,6 +160,7 @@
   * @{
   */
 
+
 /**
   * @brief  Setup the microcontroller system.
   *         Initialize the default HSI clock source, vector table location and the PLL configuration is reset.
@@ -225,6 +225,15 @@
 
   /* Disable all interrupts */
   RCC->CIR = 0x00000000;
+
+  /* Configure the Cube driver */
+  SystemCoreClock = 8000000; // At this stage the HSI is used as system clock
+  HAL_Init();
+
+  /* Configure the System clock source, PLL Multiplier and Divider factors,
+     AHB/APBx prescalers and Flash settings */
+  SetSysClock();
+
 }
 
 /**

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/cmsis_nvic.c	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/cmsis_nvic.c	Mon Jan 04 12:15:11 2016 +0000
@@ -1,7 +1,7 @@
 /* mbed Microcontroller Library
  * CMSIS-style functionality to support dynamic vectors
  *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
+ * Copyright (c) 2015, STMicroelectronics
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -27,31 +27,27 @@
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *******************************************************************************
- */ 
+ */
 #include "cmsis_nvic.h"
 
 #define NVIC_RAM_VECTOR_ADDRESS   (0x20000000)  // Vectors positioned at start of RAM
 #define NVIC_FLASH_VECTOR_ADDRESS (0x08000000)  // Initial vector position in flash
 
-static unsigned char vtor_remap = 0; // To keep track that the vectors remap is done
 
 void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
     int i;
-    // Space for dynamic vectors, initialised to allocate in R/W
-    static volatile uint32_t *vectors = (uint32_t *)NVIC_RAM_VECTOR_ADDRESS;
     
     // Copy and switch to dynamic vectors if first time called
-    if (vtor_remap == 0) {
-      uint32_t *old_vectors = (uint32_t *)NVIC_FLASH_VECTOR_ADDRESS;
-      for (i = 0; i < NVIC_NUM_VECTORS; i++) {
-          vectors[i] = old_vectors[i];
-      }
-      SYSCFG->CFGR1 |= 0x03; // Embedded SRAM mapped at 0x00000000
-      vtor_remap = 1; // The vectors remap is done
+    if ((SYSCFG->CFGR1 & SYSCFG_CFGR1_MEM_MODE) != SYSCFG_CFGR1_MEM_MODE) {
+        uint32_t *old_vectors = (uint32_t *)NVIC_FLASH_VECTOR_ADDRESS;
+        for (i = 0; i < NVIC_NUM_VECTORS; i++) {
+            *((uint32_t *)(NVIC_RAM_VECTOR_ADDRESS + (i*4))) = old_vectors[i];
+        }
+        SYSCFG->CFGR1 |= SYSCFG_CFGR1_MEM_MODE; // Embedded SRAM mapped at 0x00000000
     }
 
     // Set the vector
-    vectors[IRQn + 16] = vector;
+    *((uint32_t *)(NVIC_RAM_VECTOR_ADDRESS + (IRQn*4) + (NVIC_USER_IRQ_OFFSET*4))) = vector;
 }
 
 uint32_t NVIC_GetVector(IRQn_Type IRQn) {

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/cmsis_nvic.h	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/cmsis_nvic.h	Mon Jan 04 12:15:11 2016 +0000
@@ -1,7 +1,7 @@
 /* mbed Microcontroller Library
  * CMSIS-style functionality to support dynamic vectors
  *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
+ * Copyright (c) 2015, STMicroelectronics
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/system_stm32f0xx.c	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/system_stm32f0xx.c	Mon Jan 04 12:15:11 2016 +0000
@@ -82,7 +82,7 @@
   */
 
 #include "stm32f0xx.h"
-
+#include "hal_tick.h"
 /**
   * @}
   */
@@ -161,6 +161,7 @@
   * @{
   */
 
+
 /**
   * @brief  Setup the microcontroller system.
   *         Initialize the default HSI clock source, vector table location and the PLL configuration is reset.
@@ -225,6 +226,18 @@
 
   /* Disable all interrupts */
   RCC->CIR = 0x00000000;
+
+  /* Configure the Cube driver */
+  SystemCoreClock = 8000000; // At this stage the HSI is used as system clock
+  HAL_Init();
+
+  /* Configure the System clock source, PLL Multiplier and Divider factors,
+     AHB/APBx prescalers and Flash settings */
+  SetSysClock();
+
+  /* Reset the timer to avoid issues after the RAM initialization */
+  TIM_MST_RESET_ON;
+  TIM_MST_RESET_OFF;
 }
 
 /**

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F031K6/cmsis_nvic.c	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F031K6/cmsis_nvic.c	Mon Jan 04 12:15:11 2016 +0000
@@ -33,25 +33,21 @@
 #define NVIC_RAM_VECTOR_ADDRESS   (0x20000000)  // Vectors positioned at start of RAM
 #define NVIC_FLASH_VECTOR_ADDRESS (0x08000000)  // Initial vector position in flash
 
+
 void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
     int i;
-    // To keep track that the vectors remap is done
-    static volatile uint32_t vtor_remap = 0;
-    // Space for dynamic vectors, initialised to allocate in R/W
-    static volatile uint32_t *vectors = (uint32_t *)NVIC_RAM_VECTOR_ADDRESS;
-
+    
     // Copy and switch to dynamic vectors if first time called
-    if (vtor_remap == 0) {
+    if ((SYSCFG->CFGR1 & SYSCFG_CFGR1_MEM_MODE) != SYSCFG_CFGR1_MEM_MODE) {
         uint32_t *old_vectors = (uint32_t *)NVIC_FLASH_VECTOR_ADDRESS;
         for (i = 0; i < NVIC_NUM_VECTORS; i++) {
-            vectors[i] = old_vectors[i];
+            *((uint32_t *)(NVIC_RAM_VECTOR_ADDRESS + (i*4))) = old_vectors[i];
         }
-        SYSCFG->CFGR1 |= 0x03; // Embedded SRAM mapped at 0x00000000
-        vtor_remap = 1; // The vectors remap is done
+        SYSCFG->CFGR1 |= SYSCFG_CFGR1_MEM_MODE; // Embedded SRAM mapped at 0x00000000
     }
 
     // Set the vector
-    vectors[IRQn + 16] = vector;
+    *((uint32_t *)(NVIC_RAM_VECTOR_ADDRESS + (IRQn*4) + (NVIC_USER_IRQ_OFFSET*4))) = vector;
 }
 
 uint32_t NVIC_GetVector(IRQn_Type IRQn) {

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F031K6/system_stm32f0xx.c	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F031K6/system_stm32f0xx.c	Mon Jan 04 12:15:11 2016 +0000
@@ -82,7 +82,7 @@
   */
 
 #include "stm32f0xx.h"
-
+#include "hal_tick.h"
 /**
   * @}
   */
@@ -161,6 +161,7 @@
   * @{
   */
 
+
 /**
   * @brief  Setup the microcontroller system.
   *         Initialize the default HSI clock source, vector table location and the PLL configuration is reset.
@@ -225,6 +226,18 @@
 
   /* Disable all interrupts */
   RCC->CIR = 0x00000000;
+
+  /* Configure the Cube driver */
+  SystemCoreClock = 8000000; // At this stage the HSI is used as system clock
+  HAL_Init();
+
+  /* Configure the System clock source, PLL Multiplier and Divider factors,
+     AHB/APBx prescalers and Flash settings */
+  SetSysClock();
+
+  /* Reset the timer to avoid issues after the RAM initialization */
+  TIM_MST_RESET_ON;
+  TIM_MST_RESET_OFF;
 }
 
 /**

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F042K6/cmsis_nvic.c	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F042K6/cmsis_nvic.c	Mon Jan 04 12:15:11 2016 +0000
@@ -33,25 +33,21 @@
 #define NVIC_RAM_VECTOR_ADDRESS   (0x20000000)  // Vectors positioned at start of RAM
 #define NVIC_FLASH_VECTOR_ADDRESS (0x08000000)  // Initial vector position in flash
 
+
 void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
     int i;
-    // To keep track that the vectors remap is done
-    static volatile uint32_t vtor_remap = 0;
-    // Space for dynamic vectors, initialised to allocate in R/W
-    static volatile uint32_t *vectors = (uint32_t *)NVIC_RAM_VECTOR_ADDRESS;
-
+    
     // Copy and switch to dynamic vectors if first time called
-    if (vtor_remap == 0) {
+    if ((SYSCFG->CFGR1 & SYSCFG_CFGR1_MEM_MODE) != SYSCFG_CFGR1_MEM_MODE) {
         uint32_t *old_vectors = (uint32_t *)NVIC_FLASH_VECTOR_ADDRESS;
         for (i = 0; i < NVIC_NUM_VECTORS; i++) {
-            vectors[i] = old_vectors[i];
+            *((uint32_t *)(NVIC_RAM_VECTOR_ADDRESS + (i*4))) = old_vectors[i];
         }
-        SYSCFG->CFGR1 |= 0x03; // Embedded SRAM mapped at 0x00000000
-        vtor_remap = 1; // The vectors remap is done
+        SYSCFG->CFGR1 |= SYSCFG_CFGR1_MEM_MODE; // Embedded SRAM mapped at 0x00000000
     }
 
     // Set the vector
-    vectors[IRQn + 16] = vector;
+    *((uint32_t *)(NVIC_RAM_VECTOR_ADDRESS + (IRQn*4) + (NVIC_USER_IRQ_OFFSET*4))) = vector;
 }
 
 uint32_t NVIC_GetVector(IRQn_Type IRQn) {

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F042K6/system_stm32f0xx.c	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F042K6/system_stm32f0xx.c	Mon Jan 04 12:15:11 2016 +0000
@@ -82,7 +82,7 @@
   */
 
 #include "stm32f0xx.h"
-
+#include "hal_tick.h"
 /**
   * @}
   */
@@ -161,6 +161,7 @@
   * @{
   */
 
+
 /**
   * @brief  Setup the microcontroller system.
   *         Initialize the default HSI clock source, vector table location and the PLL configuration is reset.
@@ -225,6 +226,18 @@
 
   /* Disable all interrupts */
   RCC->CIR = 0x00000000;
+
+  /* Configure the Cube driver */
+  SystemCoreClock = 8000000; // At this stage the HSI is used as system clock
+  HAL_Init();
+
+  /* Configure the System clock source, PLL Multiplier and Divider factors,
+     AHB/APBx prescalers and Flash settings */
+  SetSysClock();
+
+  /* Reset the timer to avoid issues after the RAM initialization */
+  TIM_MST_RESET_ON;
+  TIM_MST_RESET_OFF;
 }
 
 /**

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F070RB/cmsis_nvic.c	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F070RB/cmsis_nvic.c	Mon Jan 04 12:15:11 2016 +0000
@@ -27,31 +27,27 @@
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *******************************************************************************
- */ 
+ */
 #include "cmsis_nvic.h"
 
 #define NVIC_RAM_VECTOR_ADDRESS   (0x20000000)  // Vectors positioned at start of RAM
 #define NVIC_FLASH_VECTOR_ADDRESS (0x08000000)  // Initial vector position in flash
 
+
 void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
     int i;
-    // To keep track that the vectors remap is done
-    static volatile uint32_t vtor_remap = 0;
-    // Space for dynamic vectors, initialised to allocate in R/W
-    static volatile uint32_t *vectors = (uint32_t *)NVIC_RAM_VECTOR_ADDRESS;
     
     // Copy and switch to dynamic vectors if first time called
-    if (vtor_remap == 0) {
-      uint32_t *old_vectors = (uint32_t *)NVIC_FLASH_VECTOR_ADDRESS;
-      for (i = 0; i < NVIC_NUM_VECTORS; i++) {
-          vectors[i] = old_vectors[i];
-      }
-      SYSCFG->CFGR1 |= 0x03; // Embedded SRAM mapped at 0x00000000
-      vtor_remap = 1; // The vectors remap is done
+    if ((SYSCFG->CFGR1 & SYSCFG_CFGR1_MEM_MODE) != SYSCFG_CFGR1_MEM_MODE) {
+        uint32_t *old_vectors = (uint32_t *)NVIC_FLASH_VECTOR_ADDRESS;
+        for (i = 0; i < NVIC_NUM_VECTORS; i++) {
+            *((uint32_t *)(NVIC_RAM_VECTOR_ADDRESS + (i*4))) = old_vectors[i];
+        }
+        SYSCFG->CFGR1 |= SYSCFG_CFGR1_MEM_MODE; // Embedded SRAM mapped at 0x00000000
     }
 
     // Set the vector
-    vectors[IRQn + 16] = vector;
+    *((uint32_t *)(NVIC_RAM_VECTOR_ADDRESS + (IRQn*4) + (NVIC_USER_IRQ_OFFSET*4))) = vector;
 }
 
 uint32_t NVIC_GetVector(IRQn_Type IRQn) {

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F070RB/system_stm32f0xx.c	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F070RB/system_stm32f0xx.c	Mon Jan 04 12:15:11 2016 +0000
@@ -82,7 +82,7 @@
   */
 
 #include "stm32f0xx.h"
-
+#include "hal_tick.h"
 /**
   * @}
   */
@@ -161,6 +161,7 @@
   * @{
   */
 
+
 /**
   * @brief  Setup the microcontroller system.
   *         Initialize the default HSI clock source, vector table location and the PLL configuration is reset.
@@ -225,6 +226,18 @@
 
   /* Disable all interrupts */
   RCC->CIR = 0x00000000;
+
+  /* Configure the Cube driver */
+  SystemCoreClock = 8000000; // At this stage the HSI is used as system clock
+  HAL_Init();
+
+  /* Configure the System clock source, PLL Multiplier and Divider factors,
+     AHB/APBx prescalers and Flash settings */
+  SetSysClock();
+
+  /* Reset the timer to avoid issues after the RAM initialization */
+  TIM_MST_RESET_ON;
+  TIM_MST_RESET_OFF;
 }
 
 /**

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F072RB/cmsis_nvic.c	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F072RB/cmsis_nvic.c	Mon Jan 04 12:15:11 2016 +0000
@@ -27,31 +27,27 @@
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *******************************************************************************
- */ 
+ */
 #include "cmsis_nvic.h"
 
 #define NVIC_RAM_VECTOR_ADDRESS   (0x20000000)  // Vectors positioned at start of RAM
 #define NVIC_FLASH_VECTOR_ADDRESS (0x08000000)  // Initial vector position in flash
 
+
 void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
     int i;
-    // To keep track that the vectors remap is done
-    static volatile uint32_t vtor_remap = 0;
-    // Space for dynamic vectors, initialised to allocate in R/W
-    static volatile uint32_t *vectors = (uint32_t *)NVIC_RAM_VECTOR_ADDRESS;
     
     // Copy and switch to dynamic vectors if first time called
-    if (vtor_remap == 0) {
-      uint32_t *old_vectors = (uint32_t *)NVIC_FLASH_VECTOR_ADDRESS;
-      for (i = 0; i < NVIC_NUM_VECTORS; i++) {
-          vectors[i] = old_vectors[i];
-      }
-      SYSCFG->CFGR1 |= 0x03; // Embedded SRAM mapped at 0x00000000
-      vtor_remap = 1; // The vectors remap is done
+    if ((SYSCFG->CFGR1 & SYSCFG_CFGR1_MEM_MODE) != SYSCFG_CFGR1_MEM_MODE) {
+        uint32_t *old_vectors = (uint32_t *)NVIC_FLASH_VECTOR_ADDRESS;
+        for (i = 0; i < NVIC_NUM_VECTORS; i++) {
+            *((uint32_t *)(NVIC_RAM_VECTOR_ADDRESS + (i*4))) = old_vectors[i];
+        }
+        SYSCFG->CFGR1 |= SYSCFG_CFGR1_MEM_MODE; // Embedded SRAM mapped at 0x00000000
     }
 
     // Set the vector
-    vectors[IRQn + 16] = vector;
+    *((uint32_t *)(NVIC_RAM_VECTOR_ADDRESS + (IRQn*4) + (NVIC_USER_IRQ_OFFSET*4))) = vector;
 }
 
 uint32_t NVIC_GetVector(IRQn_Type IRQn) {

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F072RB/system_stm32f0xx.c	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F072RB/system_stm32f0xx.c	Mon Jan 04 12:15:11 2016 +0000
@@ -82,7 +82,7 @@
   */
 
 #include "stm32f0xx.h"
-
+#include "hal_tick.h"
 /**
   * @}
   */
@@ -225,6 +225,18 @@
 
   /* Disable all interrupts */
   RCC->CIR = 0x00000000;
+
+  /* Configure the Cube driver */
+  SystemCoreClock = 8000000; // At this stage the HSI is used as system clock
+  HAL_Init();
+
+  /* Configure the System clock source, PLL Multiplier and Divider factors,
+     AHB/APBx prescalers and Flash settings */
+  SetSysClock();
+
+  /* Reset the timer to avoid issues after the RAM initialization */
+  TIM_MST_RESET_ON;
+  TIM_MST_RESET_OFF;
 }
 
 /**

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F091RC/cmsis_nvic.c	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F091RC/cmsis_nvic.c	Mon Jan 04 12:15:11 2016 +0000
@@ -27,7 +27,7 @@
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *******************************************************************************
- */ 
+ */
 #include "cmsis_nvic.h"
 
 #define NVIC_RAM_VECTOR_ADDRESS   (0x20000000)  // Vectors positioned at start of RAM
@@ -35,23 +35,18 @@
 
 void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
     int i;
-    // To keep track that the vectors remap is done
-    static volatile uint32_t vtor_remap = 0;
-    // Space for dynamic vectors, initialised to allocate in R/W
-    static volatile uint32_t *vectors = (uint32_t *)NVIC_RAM_VECTOR_ADDRESS;
     
     // Copy and switch to dynamic vectors if first time called
-    if (vtor_remap == 0) {
-      uint32_t *old_vectors = (uint32_t *)NVIC_FLASH_VECTOR_ADDRESS;
-      for (i = 0; i < NVIC_NUM_VECTORS; i++) {
-          vectors[i] = old_vectors[i];
-      }
-      SYSCFG->CFGR1 |= 0x03; // Embedded SRAM mapped at 0x00000000
-      vtor_remap = 1; // The vectors remap is done
+    if ((SYSCFG->CFGR1 & SYSCFG_CFGR1_MEM_MODE) != SYSCFG_CFGR1_MEM_MODE) {
+        uint32_t *old_vectors = (uint32_t *)NVIC_FLASH_VECTOR_ADDRESS;
+        for (i = 0; i < NVIC_NUM_VECTORS; i++) {
+            *((uint32_t *)(NVIC_RAM_VECTOR_ADDRESS + (i*4))) = old_vectors[i];
+        }
+        SYSCFG->CFGR1 |= SYSCFG_CFGR1_MEM_MODE; // Embedded SRAM mapped at 0x00000000
     }
 
     // Set the vector
-    vectors[IRQn + 16] = vector;
+    *((uint32_t *)(NVIC_RAM_VECTOR_ADDRESS + (IRQn*4) + (NVIC_USER_IRQ_OFFSET*4))) = vector;
 }
 
 uint32_t NVIC_GetVector(IRQn_Type IRQn) {

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F091RC/system_stm32f0xx.c	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F091RC/system_stm32f0xx.c	Mon Jan 04 12:15:11 2016 +0000
@@ -82,7 +82,7 @@
   */
 
 #include "stm32f0xx.h"
-
+#include "hal_tick.h"
 /**
   * @}
   */
@@ -225,6 +225,18 @@
 
   /* Disable all interrupts */
   RCC->CIR = 0x00000000;
+
+  /* Configure the Cube driver */
+  SystemCoreClock = 8000000; // At this stage the HSI is used as system clock
+  HAL_Init();
+
+  /* Configure the System clock source, PLL Multiplier and Divider factors,
+     AHB/APBx prescalers and Flash settings */
+  SetSysClock();
+
+  /* Reset the timer to avoid issues after the RAM initialization */
+  TIM_MST_RESET_ON;
+  TIM_MST_RESET_OFF;
 }
 
 /**

--- a/targets/hal/TARGET_STM/TARGET_STM32F0/mbed_overrides.c	Mon Jan 04 09:30:11 2016 +0000
+++ b/targets/hal/TARGET_STM/TARGET_STM32F0/mbed_overrides.c	Mon Jan 04 12:15:11 2016 +0000
@@ -27,23 +27,12 @@
  */
 #include "cmsis.h"
 
-extern int stdio_uart_inited;
-
 // This function is called after RAM initialization and before main.
 void mbed_sdk_init() {
-    /* Configure the Cube driver */
-    SystemCoreClock = 8000000; // At this stage the HSI is used as system clock
-
-    HAL_Init();
-
-    /* Configure the System clock source, PLL Multiplier and Divider factors,
-       AHB/APBx prescalers and Flash settings */
-    SetSysClock();
-
     // Update the SystemCoreClock variable.
     SystemCoreClockUpdate();
 
-    // reset serial next time it is called, now that system clock is set
-    stdio_uart_inited = 0;
+    // Need to restart HAL driver after the RAM is initialized
+    HAL_Init();
 
 }