Merge branch 'master' of https://github.com/mbedmicro/mbed

2014-03-20 11:53:09 +00:00 · 2014-03-20 11:53:09 +00:00 · ba5efc7b12
parent 5c001ab4a3 93e44fb5a5
commit ba5efc7b12
16 changed files with 1023 additions and 283 deletions
--- a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_NUCLEO_L152RE/system_stm32l1xx.c
+++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_NUCLEO_L152RE/system_stm32l1xx.c
@ -3,7 +3,7 @@
  * @file    system_stm32l1xx.c
  * @author  MCD Application Team
  * @version V1.2.0
-  * @date    11-January-2014
+  * @date    14-March-2014
  * @brief   CMSIS Cortex-M3 Device Peripheral Access Layer System Source File.
  *          This file contains the system clock configuration for STM32L1xx Ultra
  *          Low power devices, and is generated by the clock configuration 
@ -43,11 +43,11 @@
  *=============================================================================
  *                         System Clock Configuration
  *=============================================================================
-  *        System clock source          | HSI
+  *        System Clock source          | PLL(HSI)
  *----------------------------------------------------------------------------- 
-  *        SYSCLK                       | 16000000 Hz
+  *        SYSCLK                       | 32000000 Hz
  *----------------------------------------------------------------------------- 
-  *        HCLK                         | 16000000 Hz
+  *        HCLK                         | 32000000 Hz
  *----------------------------------------------------------------------------- 
  *        AHB Prescaler                | 1
  *----------------------------------------------------------------------------- 
@ -55,17 +55,17 @@
  *----------------------------------------------------------------------------- 
  *        APB2 Prescaler               | 1
  *----------------------------------------------------------------------------- 
-  *        HSE Frequency                | 8000000 Hz
+  *        HSE Frequency                | Not used
  *----------------------------------------------------------------------------- 
-  *        PLL DIV                      | Not Used
+  *        PLL DIV                      | 2
  *----------------------------------------------------------------------------- 
-  *        PLL MUL                      | Not Used
+  *        PLL MUL                      | 4
  *----------------------------------------------------------------------------- 
  *        VDD                          | 3.3 V
  *----------------------------------------------------------------------------- 
  *        Vcore                        | 1.8 V (Range 1)
  *----------------------------------------------------------------------------- 
-  *        Flash Latency                | 0 WS
+  *        Flash Latency                | 1 WS
  *----------------------------------------------------------------------------- 
  *        Require 48MHz for USB clock  | Disabled
  *----------------------------------------------------------------------------- 
@ -149,7 +149,7 @@
 /** @addtogroup STM32L1xx_System_Private_Variables
  * @{
  */
-uint32_t SystemCoreClock    = 16000000;
+uint32_t SystemCoreClock = 32000000;
 __I uint8_t PLLMulTable[9] = {3, 4, 6, 8, 12, 16, 24, 32, 48};
 __I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};

@ -161,7 +161,7 @@ __I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9}
  * @{
  */

-static void SetSysClock(void);
+void SetSysClock(void);

 /**
  * @}
@ -206,6 +206,23 @@ void SystemInit (void)
 #else
  SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH. */
 #endif
+
+  /* ADDED FOR MBED DEBUG PURPOSE */
+  /*
+  // Enable the GPIOA peripheral
+  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
+  // Output the system clock on MCO pin (PA.08)
+  GPIO_InitTypeDef GPIO_InitStructure;
+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
+  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;  
+  GPIO_Init(GPIOA, &GPIO_InitStructure);
+  // Select the clock to output on MCO pin (PA.08)
+  RCC_MCOConfig(RCC_MCOSource_SYSCLK, RCC_MCODiv_1);
+  //RCC_MCOConfig(RCC_MCOSource_HSI, RCC_MCODiv_1);
+  */
 }

 /**
@ -305,7 +322,7 @@ void SystemCoreClockUpdate (void)
  * @param  None
  * @retval None
  */
-static void SetSysClock(void)
+void SetSysClock(void)
 {
  __IO uint32_t StartUpCounter = 0, HSIStatus = 0;
  
@ -330,15 +347,14 @@ static void SetSysClock(void)
    
  if (HSIStatus == (uint32_t)0x01)
  {
-    /* Flash 0 wait state */
-    FLASH->ACR &= ~FLASH_ACR_LATENCY;
+    /* Enable 64-bit access */
+    FLASH->ACR |= FLASH_ACR_ACC64;
    
-    /* Disable Prefetch Buffer */
-    FLASH->ACR &= ~FLASH_ACR_PRFTEN;
-
-    /* Disable 64-bit access */
-    FLASH->ACR &= ~FLASH_ACR_ACC64;
+    /* Enable Prefetch Buffer */
+    FLASH->ACR |= FLASH_ACR_PRFTEN;

+    /* Flash 1 wait state (latency) */
+    FLASH->ACR |= FLASH_ACR_LATENCY;
    
    /* Power enable */
    RCC->APB1ENR |= RCC_APB1ENR_PWREN;
@ -346,26 +362,39 @@ static void SetSysClock(void)
    /* Select the Voltage Range 1 (1.8 V) */
    PWR->CR = PWR_CR_VOS_0;

-  
    /* Wait Until the Voltage Regulator is ready */
    while((PWR->CSR & PWR_CSR_VOSF) != RESET)
    {
    }

-    /* HCLK = SYSCLK /1*/
+    /* PLL configuration */
+    /* SYSCLK = (HSI 16 MHz * 4) / 2 = 32 MHz */
+    RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLMUL | RCC_CFGR_PLLDIV));
+    RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLSRC_HSI | RCC_CFGR_PLLMUL4 | RCC_CFGR_PLLDIV2);
+
+    /* HCLK = 32 MHz */
    RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1;
-    /* PCLK2 = HCLK /1*/
+  
+    /* PCLK2 = 32 MHz */
    RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE2_DIV1;
    
-    /* PCLK1 = HCLK /1*/
+    /* PCLK1 = 32 MHz */
    RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE1_DIV1;

-    /* Select HSI as system clock source */
-    RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW));
-    RCC->CFGR |= (uint32_t)RCC_CFGR_SW_HSI;
+    /* Enable PLL */
+    RCC->CR |= RCC_CR_PLLON;

-    /* Wait till HSI is used as system clock source */
-    while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)RCC_CFGR_SWS_HSI)
+    /* Wait till PLL is ready */
+    while((RCC->CR & RCC_CR_PLLRDY) == 0)
+    {
+    }
+        
+    /* Select PLL as system clock source */
+    RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW));
+    RCC->CFGR |= (uint32_t)RCC_CFGR_SW_PLL;
+
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)RCC_CFGR_SWS_PLL)
    {
    }
  }
--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/PeripheralNames.h
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/PeripheralNames.h
@ -37,8 +37,7 @@ extern "C" {
 #endif

 typedef enum {
-    ADC_1 = (int)ADC1_BASE,
-    ADC_2 = (int)ADC_BASE
+    ADC_1 = (int)ADC1_BASE
 } ADCName;

 typedef enum {
@ -71,7 +70,11 @@ typedef enum {
 typedef enum {
    PWM_2  = (int)TIM2_BASE,
    PWM_3  = (int)TIM3_BASE,
-    PWM_4 = (int)TIM4_BASE
+    PWM_4  = (int)TIM4_BASE,
+    PWM_5  = (int)TIM5_BASE,
+    PWM_9  = (int)TIM9_BASE,
+    PWM_10 = (int)TIM10_BASE,
+    PWM_11 = (int)TIM11_BASE
 } PWMName;

 #ifdef __cplusplus
--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/PinNames.h
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/PinNames.h
@ -143,6 +143,8 @@ typedef enum {
    LED3        = PA_5,
    LED4        = PA_5,
    USER_BUTTON = PC_13,
+    SERIAL_TX   = PA_2,
+    SERIAL_RX   = PA_3,
    USBTX       = PA_2,
    USBRX       = PA_3,
    I2C_SCL     = PB_8,
--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/analogin_api.c
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/analogin_api.c
@ -37,21 +37,34 @@
 static const PinMap PinMap_ADC[] = {
    {PA_0,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN0
    {PA_1,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN1
+    {PA_2,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN2
+    {PA_3,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN3
    {PA_4,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN4
+    {PA_5,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN5
+    {PA_6,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN6
+    {PA_7,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN7
    {PB_0,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN8
-    {PC_1, ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN11
+    {PB_1,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN9
+    {PB_12, ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN18
+    {PB_13, ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN19
+    {PB_14, ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN20
+    {PB_15, ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN21
    {PC_0,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN10
+    {PC_1,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN11
+    {PC_2,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN12
+    {PC_3,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN13
+    {PC_4,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN14
+    {PC_5,  ADC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // ADC_IN15
    {NC,    NC,    0}
 };

 int adc_inited = 0;

 void analogin_init(analogin_t *obj, PinName pin) {
-  
    ADC_TypeDef *adc;
    ADC_InitTypeDef ADC_InitStructure;
  
-    // Get the peripheral name (ADC_1, ADC_2...) from the pin and assign it to the object
+    // Get the peripheral name from the pin and assign it to the object
    obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC);
 
    if (obj->adc == (ADCName)NC) {
@ -92,31 +105,76 @@ void analogin_init(analogin_t *obj, PinName pin) {
 static inline uint16_t adc_read(analogin_t *obj) {
  // Get ADC registers structure address
  ADC_TypeDef *adc = (ADC_TypeDef *)(obj->adc);
+  uint8_t channel = 0;
  
  // Configure ADC channel
  switch (obj->pin) {
      case PA_0:
-          ADC_RegularChannelConfig(adc, ADC_Channel_0, 1, ADC_SampleTime_4Cycles);
+          channel = ADC_Channel_0;
          break;
      case PA_1:
-          ADC_RegularChannelConfig(adc, ADC_Channel_1, 1, ADC_SampleTime_4Cycles);
+          channel = ADC_Channel_1;
+          break;
+      case PA_2:
+          channel = ADC_Channel_2;
+          break;
+      case PA_3:
+          channel = ADC_Channel_3;
          break;      
      case PA_4:
-          ADC_RegularChannelConfig(adc, ADC_Channel_4, 1, ADC_SampleTime_4Cycles);
+          channel = ADC_Channel_4;
+          break;
+      case PA_5:
+          channel = ADC_Channel_5;
+          break;
+      case PA_6:
+          channel = ADC_Channel_6;
+          break;
+      case PA_7:
+          channel = ADC_Channel_7;
          break;      
      case PB_0:
-          ADC_RegularChannelConfig(adc, ADC_Channel_8, 1, ADC_SampleTime_4Cycles);
+          channel = ADC_Channel_8;
          break;
-      case PC_1:
-          ADC_RegularChannelConfig(adc, ADC_Channel_11, 1, ADC_SampleTime_4Cycles);
+      case PB_1:
+          channel = ADC_Channel_9;
+          break;
+      case PB_12:
+          channel = ADC_Channel_18;
+          break;
+      case PB_13:
+          channel = ADC_Channel_19;
+          break;
+      case PB_14:
+          channel = ADC_Channel_20;
+          break;
+      case PB_15:
+          channel = ADC_Channel_21;
          break;      
      case PC_0:
-          ADC_RegularChannelConfig(adc, ADC_Channel_10, 1, ADC_SampleTime_4Cycles);
+          channel = ADC_Channel_10;
+          break;
+      case PC_1:
+          channel = ADC_Channel_11;
+          break;
+      case PC_2:
+          channel = ADC_Channel_12;
+          break;
+      case PC_3:
+          channel = ADC_Channel_13;
+          break;
+      case PC_4:
+          channel = ADC_Channel_14;
+          break;
+      case PC_5:
+          channel = ADC_Channel_15;
          break;      
      default:
          return 0;
  }

+  ADC_RegularChannelConfig(adc, channel, 1, ADC_SampleTime_4Cycles);
+  
  ADC_SoftwareStartConv(adc); // Start conversion
  
  while(ADC_GetFlagStatus(adc, ADC_FLAG_EOC) == RESET); // Wait end of conversion
--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/analogout_api.c
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/analogout_api.c
@ -37,7 +37,7 @@

 static const PinMap PinMap_DAC[] = {
    {PA_4, DAC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // DAC_OUT1
-    //{PA_5, DAC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // DAC_OUT2 - Cannot be used due to the LED connected on it
+    {PA_5, DAC_1, STM_PIN_DATA(GPIO_Mode_AN, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)}, // DAC_OUT2
    {NC,   NC,    0}
 };

@ -70,10 +70,10 @@ void analogout_init(dac_t *obj, PinName pin) {
        DAC_Init(DAC_Channel_1, &DAC_InitStructure);
        DAC_Cmd(DAC_Channel_1, ENABLE);
    }
-    //if (obj->channel == PA_5) {
-    //  DAC_Init(DAC_Channel_2, &DAC_InitStructure);
-    //  DAC_Cmd(DAC_Channel_2, ENABLE);
-    //}
+    if (obj->channel == PA_5) {
+        DAC_Init(DAC_Channel_2, &DAC_InitStructure);
+        DAC_Cmd(DAC_Channel_2, ENABLE);
+    }
      
    analogout_write_u16(obj, 0);
 }
@ -85,18 +85,18 @@ static inline void dac_write(dac_t *obj, uint16_t value) {
    if (obj->channel == PA_4) {
        DAC_SetChannel1Data(DAC_Align_12b_R, value);
    }
-    //if (obj->channel == PA_5) {
-    //  DAC_SetChannel2Data(DAC_Align_12b_R, value);
-    //}
+    if (obj->channel == PA_5) {
+        DAC_SetChannel2Data(DAC_Align_12b_R, value);
+    }
 }

 static inline int dac_read(dac_t *obj) {
    if (obj->channel == PA_4) {
        return (int)DAC_GetDataOutputValue(DAC_Channel_1);
    }
-    //if (obj->channel == PA_5) {
-    //  return (int)DAC_GetDataOutputValue(DAC_Channel_2);
-    //}
+    if (obj->channel == PA_5) {
+        return (int)DAC_GetDataOutputValue(DAC_Channel_2);
+    }
    return 0;
 }

--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/device.h
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/device.h
@ -42,10 +42,10 @@
 #define DEVICE_SERIAL           1

 #define DEVICE_I2C              1
-#define DEVICE_I2CSLAVE         0
+#define DEVICE_I2CSLAVE         0 // Not yet supported

 #define DEVICE_SPI              1
-#define DEVICE_SPISLAVE         0
+#define DEVICE_SPISLAVE         0 // Not yet supported

 #define DEVICE_RTC              1

@ -63,7 +63,7 @@

 #define DEVICE_STDIO_MESSAGES   1

-//#define DEVICE_ERROR_RED      0
+#define DEVICE_ERROR_RED        0

 #include "objects.h"

--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/i2c_api.c
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/i2c_api.c
@ -91,10 +91,15 @@ void i2c_frequency(i2c_t *obj, int hz) {
    I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
    I2C_InitTypeDef I2C_InitStructure;

-    if ((hz != 0) && (hz <= 400000)) {
-        I2C_DeInit(i2c);
+    if (hz == 0) return;
+    if (hz > 400000) hz = 400000;
+
+    /* Warning: To use the I2C at 400 kHz (in fast mode), the PCLK1 frequency
+      (I2C peripheral input clock) must be a multiple of 10 MHz.
+      With the actual clock configuration, the max frequency is measured at 296 kHz */
  
    // I2C configuration
+    I2C_DeInit(i2c);
    I2C_InitStructure.I2C_Mode                = I2C_Mode_I2C;
    I2C_InitStructure.I2C_DutyCycle           = I2C_DutyCycle_2;
    I2C_InitStructure.I2C_OwnAddress1         = 0;
@ -102,9 +107,7 @@ void i2c_frequency(i2c_t *obj, int hz) {
    I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
    I2C_InitStructure.I2C_ClockSpeed          = hz;
    I2C_Init(i2c, &I2C_InitStructure);
-      
    I2C_Cmd(i2c, ENABLE);
-    }
 }

 inline int i2c_start(i2c_t *obj) {
@ -118,7 +121,6 @@ inline int i2c_start(i2c_t *obj) {
  
    // Wait the START condition has been correctly sent
    timeout = FLAG_TIMEOUT;
-    //while (I2C_CheckEvent(i2c, I2C_EVENT_MASTER_MODE_SELECT) == ERROR) {
    while (I2C_GetFlagStatus(i2c, I2C_FLAG_SB) == RESET) {
        timeout--;
        if (timeout == 0) {
@ -131,8 +133,24 @@ inline int i2c_start(i2c_t *obj) {

 inline int i2c_stop(i2c_t *obj) {
    I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
+    int timeout;
+    volatile int temp;
    
+    if (I2C_GetFlagStatus(i2c, I2C_FLAG_MSL) == RESET) {
+        timeout = LONG_TIMEOUT;
+        // wait for STOP 
+        while (I2C_GetFlagStatus(i2c, I2C_FLAG_STOPF) == RESET) {
+            timeout--;
+            if (timeout == 0) {
+                return 0;
+            }
+        }
+        temp = i2c->SR1;
+        I2C_Cmd(i2c, ENABLE);
+    }        
+    else {  
        I2C_GenerateSTOP(i2c, ENABLE);
+    }
        
    return 0;
 }
@ -145,17 +163,6 @@ int i2c_read(i2c_t *obj, int address, char *data, int length, int stop) {
  
    if (length == 0) return 0;

-/*
-    // Wait until the bus is not busy anymore
-    timeout = LONG_TIMEOUT;
-    while (I2C_GetFlagStatus(i2c, I2C_FLAG_BUSY) == SET) {
-        timeout--;
-        if (timeout == 0) {
-            return 0;
-        }
-    }
-*/
-  
    i2c_start(obj);

    // Send slave address for read
@ -194,17 +201,6 @@ int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop) {
    int timeout;
    int count;

-/*
-    // Wait until the bus is not busy anymore
-    timeout = LONG_TIMEOUT;
-    while (I2C_GetFlagStatus(i2c, I2C_FLAG_BUSY) == SET) {
-        timeout--;
-        if (timeout == 0) {
-            return 0;
-        }
-    }
-*/
-
    i2c_start(obj);

    // Send slave address for write
@ -269,7 +265,6 @@ int i2c_byte_write(i2c_t *obj, int data) {

    // Wait until the byte is transmitted
    timeout = FLAG_TIMEOUT;
-    //while (I2C_CheckEvent(i2c, I2C_EVENT_MASTER_BYTE_TRANSMITTED) == ERROR) {
    while ((I2C_GetFlagStatus(i2c, I2C_FLAG_TXE) == RESET) &&
           (I2C_GetFlagStatus(i2c, I2C_FLAG_BTF) == RESET)) {
        timeout--;
@ -319,7 +314,6 @@ void i2c_slave_mode(i2c_t *obj, int enable_slave) {
 #define WriteAddressed 3 // the master is writing to this slave (slave = receiver)

 int i2c_slave_receive(i2c_t *obj) {
-    // TO BE DONE
    return(0);
 }

--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/pinmap.c
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/pinmap.c
@ -95,8 +95,7 @@ void pin_function(PinName pin, int data) {
    GPIO_InitStructure.GPIO_PuPd  = (GPIOPuPd_TypeDef)pupd;
    GPIO_Init(gpio, &GPIO_InitStructure);
    
-    // *** TODO ***
-    // Disconnect JTAG-DP + SW-DP signals.
+    // [TODO] Disconnect JTAG-DP + SW-DP signals.
    // Warning: Need to reconnect under reset
    //if ((pin == PA_13) || (pin == PA_14)) {
    //
--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/pwmout_api.c
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/pwmout_api.c
@ -33,10 +33,42 @@
 #include "pinmap.h"
 #include "error.h"

+// TIM5 cannot be used because already used by the us_ticker
 static const PinMap PinMap_PWM[] = {
+  //{PA_0,  PWM_5,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM5)},  // TIM5_CH1
+    {PA_1,  PWM_2,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM2)},  // TIM2_CH2
+  //{PA_1,  PWM_5,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM5)},  // TIM5_CH1
+    {PA_2,  PWM_2,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM2)},  // TIM2_CH3
+  //{PA_2,  PWM_5,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM5)},  // TIM5_CH3
+  //{PA_2,  PWM_9,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM9)},  // TIM9_CH1
+    {PA_3,  PWM_2,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM2)},  // TIM2_CH4
+  //{PA_3,  PWM_5,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM5)},  // TIM5_CH4
+  //{PA_3,  PWM_9,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM9)},  // TIM9_CH2
+    {PA_6,  PWM_3,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM3)},  // TIM3_CH1
+  //{PA_6,  PWM_10, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM10)}, // TIM10_CH1
+    {PA_7,  PWM_3,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM3)},  // TIM3_CH2
+  //{PA_7,  PWM_11, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM11)}, // TIM11_CH1    
+    {PB_0,  PWM_3,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM3)},  // TIM3_CH3
+    {PB_1,  PWM_3,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM3)},  // TIM3_CH4
    {PB_3,  PWM_2,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM2)},  // TIM2_CH2
    {PB_4,  PWM_3,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM3)},  // TIM3_CH1
+    {PB_5,  PWM_3,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM3)},  // TIM3_CH2
    {PB_6,  PWM_4,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM4)},  // TIM4_CH1
+    {PB_7,  PWM_4,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM4)},  // TIM4_CH2
+    {PB_8,  PWM_4,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM4)},  // TIM4_CH3
+  //{PB_8,  PWM_10, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM10)}, // TIM10_CH1
+    {PB_9,  PWM_4,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM4)},  // TIM4_CH4
+  //{PB_9,  PWM_11, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM11)}, // TIM11_CH1
+    {PB_10, PWM_2,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM2)},  // TIM2_CH3
+    {PB_11, PWM_2,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM2)},  // TIM2_CH4
+    {PB_12, PWM_10, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM10)}, // TIM10_CH1
+    {PB_13, PWM_9,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM9)},  // TIM9_CH1
+    {PB_14, PWM_9,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM9)},  // TIM9_CH2
+    {PB_15, PWM_11, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM11)}, // TIM11_CH1    
+    {PC_6,  PWM_3,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM3)},  // TIM3_CH1
+    {PC_7,  PWM_3,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM3)},  // TIM3_CH2
+    {PC_8,  PWM_3,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM3)},  // TIM3_CH3
+    {PC_9,  PWM_3,  STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_TIM3)},  // TIM3_CH4    
    {NC,    NC,     0}
 };

@ -52,6 +84,10 @@ void pwmout_init(pwmout_t* obj, PinName pin) {
    if (obj->pwm == PWM_2) RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
    if (obj->pwm == PWM_3) RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
    if (obj->pwm == PWM_4) RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
+    if (obj->pwm == PWM_5) RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM5, ENABLE);
+    if (obj->pwm == PWM_9) RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM9, ENABLE);
+    if (obj->pwm == PWM_10) RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM10, ENABLE);
+    if (obj->pwm == PWM_11) RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM11, ENABLE);
    
    // Configure GPIO
    pinmap_pinout(pin, PinMap_PWM);
@ -85,16 +121,57 @@ void pwmout_write(pwmout_t* obj, float value) {
    TIM_OCInitStructure.TIM_Pulse       = obj->pulse;
    TIM_OCInitStructure.TIM_OCPolarity  = TIM_OCPolarity_High;

-    // Configure channel 1
-    if ((obj->pin == PB_4) || (obj->pin == PB_6)) {
+    // Configure the channels
+    switch (obj->pin) {
+        // Channels 1
+      //case PA_0:
+      //case PA_1:
+      //case PA_2:
+        case PA_6:
+      //case PA_7:
+        case PB_4:
+        case PB_6:
+      //case PB_8:
+      //case PB_9:
+        case PB_12:
+        case PB_13:
+        case PB_15:
+        case PC_6:
            TIM_OC1PreloadConfig(tim, TIM_OCPreload_Enable);
            TIM_OC1Init(tim, &TIM_OCInitStructure);
-    }
-
-    // Configure channel 2
-    if (obj->pin == PB_3) {
+            break;
+        // Channels 2
+        case PA_1:
+      //case PA_3:
+        case PA_7:
+        case PB_3:
+        case PB_5:
+        case PB_7:
+        case PB_14:
+        case PC_7:
            TIM_OC2PreloadConfig(tim, TIM_OCPreload_Enable);
            TIM_OC2Init(tim, &TIM_OCInitStructure);
+            break;
+        // Channels 3
+        case PA_2:
+        case PB_0:
+        case PB_8:
+        case PB_10:
+        case PC_8:
+            TIM_OC3PreloadConfig(tim, TIM_OCPreload_Enable);
+            TIM_OC3Init(tim, &TIM_OCInitStructure);
+            break;
+        // Channels 4
+        case PA_3:
+        case PB_1:
+        case PB_9:
+        case PB_11:
+        case PC_9:
+            TIM_OC4PreloadConfig(tim, TIM_OCPreload_Enable);
+            TIM_OC4Init(tim, &TIM_OCInitStructure);
+            break;        
+        default:
+            return;
    }
 }

--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/rtc_api.c
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/rtc_api.c
@ -49,7 +49,7 @@ void rtc_init(void) {
      
    RTC_WaitForSynchro(); // Wait for RTC registers synchronization

-    uint32_t lsi_freq = 40000; // *** TODO** To be measured precisely using a timer input capture
+    uint32_t lsi_freq = 40000; // [TODO] To be measured precisely using a timer input capture

    RTC_InitTypeDef RTC_InitStructure;
    RTC_InitStructure.RTC_AsynchPrediv = 127;
--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/serial_api.c
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/serial_api.c
@ -34,24 +34,24 @@
 #include <string.h>

 static const PinMap PinMap_UART_TX[] = {
+    {PA_2,  UART_2, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_USART2)},
    {PA_9,  UART_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_USART1)},
    {PB_6,  UART_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_USART1)},
-    {PA_2,  UART_2, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_USART2)},
    {PB_10, UART_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_USART3)},
+  //{PC_10, UART_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_USART3)},
    {PC_10, UART_4, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_UART4)},
-    //{PC_10, UART_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_USART3)},       //The consructor will find UART4
-    {PC_12, UART_5, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_UART5)},          //which share the same PIN
+    {PC_12, UART_5, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_UART5)},
    {NC,    NC,     0}
 };

 static const PinMap PinMap_UART_RX[] = {
-    {PA_10, UART_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_USART1)},
-    {PB_7 , UART_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_USART1)},
    {PA_3,  UART_2, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_USART2)},
+    {PA_10, UART_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_USART1)},
+    {PB_7,  UART_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_USART1)},
    {PB_11, UART_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_USART3)},
-    {PC_11, UART_4, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_UART4)},
  //{PC_11, UART_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_USART3)},
-    {PC_2 , UART_5, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_UART5)},
+    {PC_11, UART_4, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_UART4)},
+    {PD_2,  UART_5, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_UART5)},
    {NC,    NC,     0}
 };

@ -110,7 +110,6 @@ void serial_init(serial_t *obj, PinName tx, PinName rx) {
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART5, ENABLE); 
    }

-            
    // Configure the UART pins
    pinmap_pinout(tx, PinMap_UART_TX);
    pinmap_pinout(rx, PinMap_UART_RX);
@ -137,7 +136,6 @@ void serial_init(serial_t *obj, PinName tx, PinName rx) {
        stdio_uart_inited = 1;
        memcpy(&stdio_uart, obj, sizeof(serial_t));
    }    
-    
 }

 void serial_free(serial_t *obj) {
@ -240,7 +238,6 @@ void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) {
      vector = (uint32_t)&uart5_irq;
    }
    
-    
    if (enable) {
      
        if (irq == RxIrq) {
--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/sleep.c
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/sleep.c
@ -30,74 +30,8 @@
 #include "sleep_api.h"
 #include "cmsis.h"

-static void SetSysClock_HSI(void)
-{
-  __IO uint32_t StartUpCounter = 0, HSIStatus = 0;
-  
-  /* SYSCLK, HCLK, PCLK2 and PCLK1 configuration ---------------------------*/
-  /* Enable HSI */
-  RCC->CR |= ((uint32_t)RCC_CR_HSION);
- 
-  /* Wait till HSI is ready and if Time out is reached exit */
-  do
-  {
-    HSIStatus = RCC->CR & RCC_CR_HSIRDY;
-  } while((HSIStatus == 0) && (StartUpCounter != HSI_STARTUP_TIMEOUT));
-
-  if ((RCC->CR & RCC_CR_HSIRDY) != RESET)
-  {
-    HSIStatus = (uint32_t)0x01;
-  }
-  else
-  {
-    HSIStatus = (uint32_t)0x00;
-  }
-    
-  if (HSIStatus == (uint32_t)0x01)
-  {
-    /* Flash 0 wait state */
-    FLASH->ACR &= ~FLASH_ACR_LATENCY;
-    
-    /* Disable Prefetch Buffer */
-    FLASH->ACR &= ~FLASH_ACR_PRFTEN;
-
-    /* Disable 64-bit access */
-    FLASH->ACR &= ~FLASH_ACR_ACC64;
-    
-    /* Power enable */
-    RCC->APB1ENR |= RCC_APB1ENR_PWREN;
-  
-    /* Select the Voltage Range 1 (1.8 V) */
-    PWR->CR = PWR_CR_VOS_0;
-  
-    /* Wait Until the Voltage Regulator is ready */
-    while((PWR->CSR & PWR_CSR_VOSF) != RESET)
-    {
-    }
-      
-    /* HCLK = SYSCLK /1*/
-    RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1;
-    /* PCLK2 = HCLK /1*/
-    RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE2_DIV1;
-    
-    /* PCLK1 = HCLK /1*/
-    RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE1_DIV1;
-    
-    /* Select HSI as system clock source */
-    RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW));
-    RCC->CFGR |= (uint32_t)RCC_CFGR_SW_HSI;
-
-    /* Wait till HSI is used as system clock source */
-    while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)RCC_CFGR_SWS_HSI)
-    {
-    }
-  }
-  else
-  {
-    /* If HSI fails to start-up, the application will have wrong clock
-       configuration. User can add here some code to deal with this error */
-  }
-}
+// This function is in the system_stm32l1xx.c file
+extern void SetSysClock(void);

 // MCU SLEEP mode
 void sleep(void)
@ -121,7 +55,6 @@ void deepsleep(void)
    // Enter Stop Mode
    PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI);  
  
-    // After wake-up from STOP reconfigure the system clock (HSI)
-    SetSysClock_HSI();
-      
+    // After wake-up from STOP reconfigure the PLL
+    SetSysClock();
 }
--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/spi_api.c
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/spi_api.c
@ -38,42 +38,39 @@

 static const PinMap PinMap_SPI_MOSI[] = {
    {PA_7,  SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)}, 
-    {PA_12, SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)}, // REMAP
-    {PB_4,  SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)}, // REMAP2
+    {PA_12, SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)},
+    {PB_5,  SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)},
+  //{PB_5,  SPI_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI3)},
    {PB_15, SPI_2, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI2)},
-    {PB_5,  SPI_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI3)}, 
-    {PC_12, SPI_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI3)}, // REMAP
-    
+    {PC_12, SPI_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI3)},
    {NC,    NC,    0}
 };

 static const PinMap PinMap_SPI_MISO[] = {
    {PA_6,  SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)}, 
-    {PA_11, SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)}, // REMAP
-    {PB_5,  SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)}, // REMAP2
-    {PA_6,  SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)},
+    {PA_11, SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)},
+    {PB_4,  SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)},
+  //{PB_4,  SPI_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI3)},
    {PB_14, SPI_2, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI2)},
-    {PB_4 , SPI_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI3)},
    {PC_11, SPI_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI3)},
    {NC,    NC,    0}
 };

 static const PinMap PinMap_SPI_SCLK[] = {
    {PA_5,  SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)}, 
-    {PB_3,  SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)}, // REMAP
+    {PB_3,  SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)},
+  //{PB_3,  SPI_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI3)},
    {PB_13, SPI_2, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI2)},
-    {PB_3,  SPI_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI3)},
    {PC_10, SPI_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI3)},
    {NC,    NC,    0}
 };

-// Only used in Slave mode
 static const PinMap PinMap_SPI_SSEL[] = {
    {PA_4,  SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)},
-    {PA_15, SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)}, // REMAP
+  //{PA_4,  SPI_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI3)},
+    {PA_15, SPI_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI1)},
+  //{PA_15, SPI_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI3)},
    {PB_12, SPI_2, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI2)},
-    {PA_4 , SPI_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI3)},
-    {PA_15, SPI_3, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_PP, GPIO_PuPd_UP, GPIO_AF_SPI3)}, 
    {NC,    NC,    0}
 };

@ -133,7 +130,7 @@ void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel
    obj->bits = SPI_DataSize_8b;
    obj->cpol = SPI_CPOL_Low;
    obj->cpha = SPI_CPHA_1Edge;
-    obj->br_presc = SPI_BaudRatePrescaler_16; // 1 MHz
+    obj->br_presc = SPI_BaudRatePrescaler_256;
    
    if (ssel == NC) { // Master
        obj->mode = SPI_Mode_Master;
@ -194,26 +191,31 @@ void spi_format(spi_t *obj, int bits, int mode, int slave) {
 }

 void spi_frequency(spi_t *obj, int hz) {
-    // Get SPI clock frequency
-    uint32_t PCLK = SystemCoreClock;
-
-    // Choose the baud rate divisor (between 2 and 256)
-    uint32_t divisor = PCLK / hz;
-
-    // Find the nearest power-of-2
-    divisor = (divisor > 0 ? divisor-1 : 0);
-    divisor |= divisor >> 1;
-    divisor |= divisor >> 2;
-    divisor |= divisor >> 4;
-    divisor |= divisor >> 8;
-    divisor |= divisor >> 16;
-    divisor++;
-
-    uint32_t baud_rate = __builtin_ffs(divisor) - 2;
-    
-    // Save new value
-    obj->br_presc = ((baud_rate > 7) ? (7 << 3) : (baud_rate << 3));
- 
+    // Note: The frequencies are obtained with SPI clock = 32 MHz (APB1 & APB2 clocks)
+    if (hz < 250000) {
+        obj->br_presc = SPI_BaudRatePrescaler_256; // 125 kHz
+    }
+    else if ((hz >= 250000) && (hz < 500000)) {
+        obj->br_presc = SPI_BaudRatePrescaler_128; // 250 kHz
+    }
+    else if ((hz >= 500000) && (hz < 1000000)) {
+        obj->br_presc = SPI_BaudRatePrescaler_64; // 500 kHz
+    }
+    else if ((hz >= 1000000) && (hz < 2000000)) {
+        obj->br_presc = SPI_BaudRatePrescaler_32; // 1 MHz
+    }
+    else if ((hz >= 2000000) && (hz < 4000000)) {
+        obj->br_presc = SPI_BaudRatePrescaler_16; // 2 MHz
+    }
+    else if ((hz >= 4000000) && (hz < 8000000)) {
+        obj->br_presc = SPI_BaudRatePrescaler_8; // 4 MHz
+    }
+    else if ((hz >= 8000000) && (hz < 16000000)) {
+        obj->br_presc = SPI_BaudRatePrescaler_4; // 8 MHz
+    }
+    else { // >= 16000000
+        obj->br_presc = SPI_BaudRatePrescaler_2; // 16 MHz
+    }
    init_spi(obj);
 }

--- a/workspace_tools/export/uvision4_nucleo_f302r8.uvopt.tmpl
+++ b/workspace_tools/export/uvision4_nucleo_f302r8.uvopt.tmpl
@ -0,0 +1,208 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<ProjectOpt xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="project_opt.xsd">
+
+  <SchemaVersion>1.0</SchemaVersion>
+
+  <Header>### uVision Project, (C) Keil Software</Header>
+
+  <Extensions>
+    <cExt>*.c</cExt>
+    <aExt>*.s*; *.src; *.a*</aExt>
+    <oExt>*.obj</oExt>
+    <lExt>*.lib</lExt>
+    <tExt>*.txt; *.h; *.inc</tExt>
+    <pExt>*.plm</pExt>
+    <CppX>*.cpp</CppX>
+  </Extensions>
+
+  <DaveTm>
+    <dwLowDateTime>0</dwLowDateTime>
+    <dwHighDateTime>0</dwHighDateTime>
+  </DaveTm>
+
+  <Target>
+    <TargetName>mbed NUCLEO_F302R8</TargetName>
+    <ToolsetNumber>0x4</ToolsetNumber>
+    <ToolsetName>ARM-ADS</ToolsetName>
+    <TargetOption>
+      <CLKADS>72000000</CLKADS>
+      <OPTTT>
+        <gFlags>1</gFlags>
+        <BeepAtEnd>1</BeepAtEnd>
+        <RunSim>0</RunSim>
+        <RunTarget>1</RunTarget>
+      </OPTTT>
+      <OPTHX>
+        <HexSelection>1</HexSelection>
+        <FlashByte>65535</FlashByte>
+        <HexRangeLowAddress>0</HexRangeLowAddress>
+        <HexRangeHighAddress>0</HexRangeHighAddress>
+        <HexOffset>0</HexOffset>
+      </OPTHX>
+      <OPTLEX>
+        <PageWidth>79</PageWidth>
+        <PageLength>66</PageLength>
+        <TabStop>8</TabStop>
+        <ListingPath>.\build\</ListingPath>
+      </OPTLEX>
+      <ListingPage>
+        <CreateCListing>1</CreateCListing>
+        <CreateAListing>1</CreateAListing>
+        <CreateLListing>1</CreateLListing>
+        <CreateIListing>0</CreateIListing>
+        <AsmCond>1</AsmCond>
+        <AsmSymb>1</AsmSymb>
+        <AsmXref>0</AsmXref>
+        <CCond>1</CCond>
+        <CCode>0</CCode>
+        <CListInc>0</CListInc>
+        <CSymb>0</CSymb>
+        <LinkerCodeListing>0</LinkerCodeListing>
+      </ListingPage>
+      <OPTXL>
+        <LMap>1</LMap>
+        <LComments>1</LComments>
+        <LGenerateSymbols>1</LGenerateSymbols>
+        <LLibSym>1</LLibSym>
+        <LLines>1</LLines>
+        <LLocSym>1</LLocSym>
+        <LPubSym>1</LPubSym>
+        <LXref>0</LXref>
+        <LExpSel>0</LExpSel>
+      </OPTXL>
+      <OPTFL>
+        <tvExp>1</tvExp>
+        <tvExpOptDlg>0</tvExpOptDlg>
+        <IsCurrentTarget>1</IsCurrentTarget>
+      </OPTFL>
+      <CpuCode>255</CpuCode>
+      <DllOpt>
+        <SimDllName>SARMCM3.DLL</SimDllName>
+        <SimDllArguments> -REMAP -MPU</SimDllArguments>
+        <SimDlgDllName>DCM.DLL</SimDlgDllName>
+        <SimDlgDllArguments>-pCM4</SimDlgDllArguments>
+        <TargetDllName>SARMCM3.DLL</TargetDllName>
+        <TargetDllArguments> -MPU</TargetDllArguments>
+        <TargetDlgDllName>TCM.DLL</TargetDlgDllName>
+        <TargetDlgDllArguments>-pCM4</TargetDlgDllArguments>
+      </DllOpt>
+      <DebugOpt>
+        <uSim>0</uSim>
+        <uTrg>1</uTrg>
+        <sLdApp>1</sLdApp>
+        <sGomain>1</sGomain>
+        <sRbreak>1</sRbreak>
+        <sRwatch>1</sRwatch>
+        <sRmem>1</sRmem>
+        <sRfunc>1</sRfunc>
+        <sRbox>1</sRbox>
+        <tLdApp>1</tLdApp>
+        <tGomain>1</tGomain>
+        <tRbreak>1</tRbreak>
+        <tRwatch>1</tRwatch>
+        <tRmem>1</tRmem>
+        <tRfunc>0</tRfunc>
+        <tRbox>1</tRbox>
+        <tRtrace>0</tRtrace>
+        <sRunDeb>0</sRunDeb>
+        <sLrtime>0</sLrtime>
+        <nTsel>13</nTsel>
+        <sDll></sDll>
+        <sDllPa></sDllPa>
+        <sDlgDll></sDlgDll>
+        <sDlgPa></sDlgPa>
+        <sIfile></sIfile>
+        <tDll></tDll>
+        <tDllPa></tDllPa>
+        <tDlgDll></tDlgDll>
+        <tDlgPa></tDlgPa>
+        <tIfile></tIfile>
+        <pMon>STLink\ST-LINKIII-KEIL_SWO.dll</pMon>
+      </DebugOpt>
+      <TargetDriverDllRegistry>
+        <SetRegEntry>
+          <Number>0</Number>
+          <Key>DLGTARM</Key>
+          <Name>(1010=-1,-1,-1,-1,0)(1007=-1,-1,-1,-1,0)(1008=-1,-1,-1,-1,0)</Name>
+        </SetRegEntry>
+        <SetRegEntry>
+          <Number>0</Number>
+          <Key>ARMDBGFLAGS</Key>
+          <Name></Name>
+        </SetRegEntry>
+        <SetRegEntry>
+          <Number>0</Number>
+          <Key>DLGUARM</Key>
+          <Name>(105=-1,-1,-1,-1,0)</Name>
+        </SetRegEntry>
+        <SetRegEntry>
+          <Number>0</Number>
+          <Key>ST-LINKIII-KEIL_SWO</Key>
+          <Name>-U-O206 -O206 -S3 -C0 -N00("ARM CoreSight SW-DP") -D00(2BA01477) -L00(0) -TO18 -TC10000000 -TP21 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO15 -FD20000000 -FC800 -FN1 -FF0STM32F3xx_256 -FS08000000 -FL040000</Name>
+        </SetRegEntry>
+        <SetRegEntry>
+          <Number>0</Number>
+          <Key>UL2CM3</Key>
+          <Name>UL2CM3(-S0 -C0 -P0 )  -FN1 -FC1000 -FD20000000 -FF0STM32F3xx_256 -FL040000 -FS08000000 -FP0($$Device:STM32F302RC$Flash\STM32F3xx_256.FLM)</Name>
+        </SetRegEntry>
+      </TargetDriverDllRegistry>
+      <Breakpoint/>
+      <Tracepoint>
+        <THDelay>0</THDelay>
+      </Tracepoint>
+      <DebugFlag>
+        <trace>0</trace>
+        <periodic>0</periodic>
+        <aLwin>0</aLwin>
+        <aCover>0</aCover>
+        <aSer1>0</aSer1>
+        <aSer2>0</aSer2>
+        <aPa>0</aPa>
+        <viewmode>0</viewmode>
+        <vrSel>0</vrSel>
+        <aSym>0</aSym>
+        <aTbox>0</aTbox>
+        <AscS1>0</AscS1>
+        <AscS2>0</AscS2>
+        <AscS3>0</AscS3>
+        <aSer3>0</aSer3>
+        <eProf>0</eProf>
+        <aLa>0</aLa>
+        <aPa1>0</aPa1>
+        <AscS4>0</AscS4>
+        <aSer4>0</aSer4>
+        <StkLoc>0</StkLoc>
+        <TrcWin>0</TrcWin>
+        <newCpu>0</newCpu>
+        <uProt>0</uProt>
+      </DebugFlag>
+      <LintExecutable></LintExecutable>
+      <LintConfigFile></LintConfigFile>
+    </TargetOption>
+  </Target>
+
+  <Group>
+    <GroupName>src</GroupName>
+    <tvExp>1</tvExp>
+    <tvExpOptDlg>0</tvExpOptDlg>
+    <cbSel>0</cbSel>
+    <RteFlg>0</RteFlg>
+    <File>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>1</FileNumber>
+      <FileType>0</FileType>
+      <tvExp>0</tvExp>
+      <Focus>0</Focus>
+      <ColumnNumber>0</ColumnNumber>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <TopLine>0</TopLine>
+      <CurrentLine>0</CurrentLine>
+      <bDave2>0</bDave2>
+      <PathWithFileName>main.cpp</PathWithFileName>
+      <FilenameWithoutPath>main.cpp</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+  </Group>
+
+</ProjectOpt>
--- a/workspace_tools/export/uvision4_nucleo_f302r8.uvproj.tmpl
+++ b/workspace_tools/export/uvision4_nucleo_f302r8.uvproj.tmpl
@ -0,0 +1,438 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="project_proj.xsd">
+
+  <SchemaVersion>1.1</SchemaVersion>
+
+  <Header>### uVision Project, (C) Keil Software</Header>
+
+  <Targets>
+    <Target>
+      <TargetName>mbed NUCLEO_F302R8</TargetName>
+      <ToolsetNumber>0x4</ToolsetNumber>
+      <ToolsetName>ARM-ADS</ToolsetName>
+      <TargetOption>
+        <TargetCommonOption>
+          <Device>STM32F302RC</Device>
+          <Vendor>STMicroelectronics</Vendor>
+          <Cpu>IROM(0x08000000,0x40000) IRAM(0x20000000,0x8000) CPUTYPE("Cortex-M4") FPU2 CLOCK(72000000) ELITTLE</Cpu>
+          <FlashUtilSpec></FlashUtilSpec>
+          <StartupFile></StartupFile>
+          <FlashDriverDll>UL2CM3(-S0 -C0 -P0 -FD20000000 -FC1000 -FN1 -FF0STM32F3xx_256 -FS08000000 -FL040000 -FP0($$Device:STM32F302RC$Flash\STM32F3xx_256.FLM))</FlashDriverDll>
+          <DeviceId>6576</DeviceId>
+          <RegisterFile>$$Device:STM32F302RC$Device\Include\STM32F30x.h</RegisterFile>
+          <MemoryEnv></MemoryEnv>
+          <Cmp></Cmp>
+          <Asm></Asm>
+          <Linker></Linker>
+          <OHString></OHString>
+          <InfinionOptionDll></InfinionOptionDll>
+          <SLE66CMisc></SLE66CMisc>
+          <SLE66AMisc></SLE66AMisc>
+          <SLE66LinkerMisc></SLE66LinkerMisc>
+          <SFDFile>$$Device:STM32F302RC$SVD\STM32F30x.svd</SFDFile>
+          <bCustSvd>0</bCustSvd>
+          <UseEnv>0</UseEnv>
+          <BinPath></BinPath>
+          <IncludePath></IncludePath>
+          <LibPath></LibPath>
+          <RegisterFilePath></RegisterFilePath>
+          <DBRegisterFilePath></DBRegisterFilePath>
+          <TargetStatus>
+            <Error>0</Error>
+            <ExitCodeStop>0</ExitCodeStop>
+            <ButtonStop>0</ButtonStop>
+            <NotGenerated>0</NotGenerated>
+            <InvalidFlash>1</InvalidFlash>
+          </TargetStatus>
+          <OutputDirectory>.\build\</OutputDirectory>
+          <OutputName>{{name}}</OutputName>
+          <CreateExecutable>1</CreateExecutable>
+          <CreateLib>0</CreateLib>
+          <CreateHexFile>0</CreateHexFile>
+          <DebugInformation>1</DebugInformation>
+          <BrowseInformation>1</BrowseInformation>
+          <ListingPath>.\build\</ListingPath>
+          <HexFormatSelection>1</HexFormatSelection>
+          <Merge32K>0</Merge32K>
+          <CreateBatchFile>0</CreateBatchFile>
+          <BeforeCompile>
+            <RunUserProg1>0</RunUserProg1>
+            <RunUserProg2>0</RunUserProg2>
+            <UserProg1Name></UserProg1Name>
+            <UserProg2Name></UserProg2Name>
+            <UserProg1Dos16Mode>0</UserProg1Dos16Mode>
+            <UserProg2Dos16Mode>0</UserProg2Dos16Mode>
+            <nStopU1X>0</nStopU1X>
+            <nStopU2X>0</nStopU2X>
+          </BeforeCompile>
+          <BeforeMake>
+            <RunUserProg1>0</RunUserProg1>
+            <RunUserProg2>0</RunUserProg2>
+            <UserProg1Name></UserProg1Name>
+            <UserProg2Name></UserProg2Name>
+            <UserProg1Dos16Mode>0</UserProg1Dos16Mode>
+            <UserProg2Dos16Mode>0</UserProg2Dos16Mode>
+          </BeforeMake>
+          <AfterMake>
+            <RunUserProg1>0</RunUserProg1>
+            <RunUserProg2>0</RunUserProg2>
+            <UserProg1Name>fromelf --bin -o build\{{name}}_NUCLEO_F302R8.bin build\{{name}}.axf</UserProg1Name>
+            <UserProg2Name></UserProg2Name>
+            <UserProg1Dos16Mode>0</UserProg1Dos16Mode>
+            <UserProg2Dos16Mode>0</UserProg2Dos16Mode>
+          </AfterMake>
+          <SelectedForBatchBuild>0</SelectedForBatchBuild>
+          <SVCSIdString></SVCSIdString>
+        </TargetCommonOption>
+        <CommonProperty>
+          <UseCPPCompiler>0</UseCPPCompiler>
+          <RVCTCodeConst>0</RVCTCodeConst>
+          <RVCTZI>0</RVCTZI>
+          <RVCTOtherData>0</RVCTOtherData>
+          <ModuleSelection>0</ModuleSelection>
+          <IncludeInBuild>1</IncludeInBuild>
+          <AlwaysBuild>0</AlwaysBuild>
+          <GenerateAssemblyFile>0</GenerateAssemblyFile>
+          <AssembleAssemblyFile>0</AssembleAssemblyFile>
+          <PublicsOnly>0</PublicsOnly>
+          <StopOnExitCode>3</StopOnExitCode>
+          <CustomArgument></CustomArgument>
+          <IncludeLibraryModules></IncludeLibraryModules>
+          <ComprImg>1</ComprImg>
+        </CommonProperty>
+        <DllOption>
+          <SimDllName>SARMCM3.DLL</SimDllName>
+          <SimDllArguments> -REMAP -MPU</SimDllArguments>
+          <SimDlgDll>DCM.DLL</SimDlgDll>
+          <SimDlgDllArguments>-pCM4</SimDlgDllArguments>
+          <TargetDllName>SARMCM3.DLL</TargetDllName>
+          <TargetDllArguments> -MPU</TargetDllArguments>
+          <TargetDlgDll>TCM.DLL</TargetDlgDll>
+          <TargetDlgDllArguments>-pCM4</TargetDlgDllArguments>
+        </DllOption>
+        <DebugOption>
+          <OPTHX>
+            <HexSelection>1</HexSelection>
+            <HexRangeLowAddress>0</HexRangeLowAddress>
+            <HexRangeHighAddress>0</HexRangeHighAddress>
+            <HexOffset>0</HexOffset>
+            <Oh166RecLen>16</Oh166RecLen>
+          </OPTHX>
+          <Simulator>
+            <UseSimulator>0</UseSimulator>
+            <LoadApplicationAtStartup>1</LoadApplicationAtStartup>
+            <RunToMain>1</RunToMain>
+            <RestoreBreakpoints>1</RestoreBreakpoints>
+            <RestoreWatchpoints>1</RestoreWatchpoints>
+            <RestoreMemoryDisplay>1</RestoreMemoryDisplay>
+            <RestoreFunctions>1</RestoreFunctions>
+            <RestoreToolbox>1</RestoreToolbox>
+            <LimitSpeedToRealTime>0</LimitSpeedToRealTime>
+          </Simulator>
+          <Target>
+            <UseTarget>1</UseTarget>
+            <LoadApplicationAtStartup>1</LoadApplicationAtStartup>
+            <RunToMain>1</RunToMain>
+            <RestoreBreakpoints>1</RestoreBreakpoints>
+            <RestoreWatchpoints>1</RestoreWatchpoints>
+            <RestoreMemoryDisplay>1</RestoreMemoryDisplay>
+            <RestoreFunctions>0</RestoreFunctions>
+            <RestoreToolbox>1</RestoreToolbox>
+            <RestoreTracepoints>0</RestoreTracepoints>
+          </Target>
+          <RunDebugAfterBuild>0</RunDebugAfterBuild>
+          <TargetSelection>13</TargetSelection>
+          <SimDlls>
+            <CpuDll></CpuDll>
+            <CpuDllArguments></CpuDllArguments>
+            <PeripheralDll></PeripheralDll>
+            <PeripheralDllArguments></PeripheralDllArguments>
+            <InitializationFile></InitializationFile>
+          </SimDlls>
+          <TargetDlls>
+            <CpuDll></CpuDll>
+            <CpuDllArguments></CpuDllArguments>
+            <PeripheralDll></PeripheralDll>
+            <PeripheralDllArguments></PeripheralDllArguments>
+            <InitializationFile></InitializationFile>
+            <Driver>STLink\ST-LINKIII-KEIL_SWO.dll</Driver>
+          </TargetDlls>
+        </DebugOption>
+        <Utilities>
+          <Flash1>
+            <UseTargetDll>1</UseTargetDll>
+            <UseExternalTool>0</UseExternalTool>
+            <RunIndependent>0</RunIndependent>
+            <UpdateFlashBeforeDebugging>1</UpdateFlashBeforeDebugging>
+            <Capability>1</Capability>
+            <DriverSelection>4103</DriverSelection>
+          </Flash1>
+          <bUseTDR>1</bUseTDR>
+          <Flash2>STLink\ST-LINKIII-KEIL_SWO.dll</Flash2>
+          <Flash3>"" ()</Flash3>
+          <Flash4></Flash4>
+          <pFcarmOut></pFcarmOut>
+          <pFcarmGrp></pFcarmGrp>
+          <pFcArmRoot></pFcArmRoot>
+          <FcArmLst>0</FcArmLst>
+        </Utilities>
+        <TargetArmAds>
+          <ArmAdsMisc>
+            <GenerateListings>0</GenerateListings>
+            <asHll>1</asHll>
+            <asAsm>1</asAsm>
+            <asMacX>1</asMacX>
+            <asSyms>1</asSyms>
+            <asFals>1</asFals>
+            <asDbgD>1</asDbgD>
+            <asForm>1</asForm>
+            <ldLst>0</ldLst>
+            <ldmm>1</ldmm>
+            <ldXref>1</ldXref>
+            <BigEnd>0</BigEnd>
+            <AdsALst>1</AdsALst>
+            <AdsACrf>1</AdsACrf>
+            <AdsANop>0</AdsANop>
+            <AdsANot>0</AdsANot>
+            <AdsLLst>1</AdsLLst>
+            <AdsLmap>1</AdsLmap>
+            <AdsLcgr>1</AdsLcgr>
+            <AdsLsym>1</AdsLsym>
+            <AdsLszi>1</AdsLszi>
+            <AdsLtoi>1</AdsLtoi>
+            <AdsLsun>1</AdsLsun>
+            <AdsLven>1</AdsLven>
+            <AdsLsxf>1</AdsLsxf>
+            <RvctClst>0</RvctClst>
+            <GenPPlst>0</GenPPlst>
+            <AdsCpuType>"Cortex-M4"</AdsCpuType>
+            <RvctDeviceName></RvctDeviceName>
+            <mOS>0</mOS>
+            <uocRom>0</uocRom>
+            <uocRam>0</uocRam>
+            <hadIROM>1</hadIROM>
+            <hadIRAM>1</hadIRAM>
+            <hadXRAM>0</hadXRAM>
+            <uocXRam>0</uocXRam>
+            <RvdsVP>0</RvdsVP>
+            <hadIRAM2>0</hadIRAM2>
+            <hadIROM2>0</hadIROM2>
+            <StupSel>8</StupSel>
+            <useUlib>1</useUlib>
+            <EndSel>0</EndSel>
+            <uLtcg>0</uLtcg>
+            <RoSelD>3</RoSelD>
+            <RwSelD>3</RwSelD>
+            <CodeSel>0</CodeSel>
+            <OptFeed>0</OptFeed>
+            <NoZi1>0</NoZi1>
+            <NoZi2>0</NoZi2>
+            <NoZi3>0</NoZi3>
+            <NoZi4>0</NoZi4>
+            <NoZi5>0</NoZi5>
+            <Ro1Chk>0</Ro1Chk>
+            <Ro2Chk>0</Ro2Chk>
+            <Ro3Chk>0</Ro3Chk>
+            <Ir1Chk>1</Ir1Chk>
+            <Ir2Chk>0</Ir2Chk>
+            <Ra1Chk>0</Ra1Chk>
+            <Ra2Chk>0</Ra2Chk>
+            <Ra3Chk>0</Ra3Chk>
+            <Im1Chk>1</Im1Chk>
+            <Im2Chk>0</Im2Chk>
+            <OnChipMemories>
+              <Ocm1>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </Ocm1>
+              <Ocm2>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </Ocm2>
+              <Ocm3>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </Ocm3>
+              <Ocm4>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </Ocm4>
+              <Ocm5>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </Ocm5>
+              <Ocm6>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </Ocm6>
+              <IRAM>
+                <Type>0</Type>
+                <StartAddress>0x20000000</StartAddress>
+                <Size>0x8000</Size>
+              </IRAM>
+              <IROM>
+                <Type>1</Type>
+                <StartAddress>0x8000000</StartAddress>
+                <Size>0x40000</Size>
+              </IROM>
+              <XRAM>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </XRAM>
+              <OCR_RVCT1>
+                <Type>1</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </OCR_RVCT1>
+              <OCR_RVCT2>
+                <Type>1</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </OCR_RVCT2>
+              <OCR_RVCT3>
+                <Type>1</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </OCR_RVCT3>
+              <OCR_RVCT4>
+                <Type>1</Type>
+                <StartAddress>0x8000000</StartAddress>
+                <Size>0x40000</Size>
+              </OCR_RVCT4>
+              <OCR_RVCT5>
+                <Type>1</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </OCR_RVCT5>
+              <OCR_RVCT6>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </OCR_RVCT6>
+              <OCR_RVCT7>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </OCR_RVCT7>
+              <OCR_RVCT8>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </OCR_RVCT8>
+              <OCR_RVCT9>
+                <Type>0</Type>
+                <StartAddress>0x20000000</StartAddress>
+                <Size>0x8000</Size>
+              </OCR_RVCT9>
+              <OCR_RVCT10>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </OCR_RVCT10>
+            </OnChipMemories>
+            <RvctStartVector></RvctStartVector>
+          </ArmAdsMisc>
+          <Cads>
+            <interw>1</interw>
+            <Optim>1</Optim>
+            <oTime>0</oTime>
+            <SplitLS>0</SplitLS>
+            <OneElfS>0</OneElfS>
+            <Strict>0</Strict>
+            <EnumInt>0</EnumInt>
+            <PlainCh>0</PlainCh>
+            <Ropi>0</Ropi>
+            <Rwpi>0</Rwpi>
+            <wLevel>0</wLevel>
+            <uThumb>0</uThumb>
+            <uSurpInc>0</uSurpInc>
+            <VariousControls>
+              <MiscControls>--gnu</MiscControls>
+              <Define>{% for s in symbols %} {{s}}, {% endfor %}</Define>
+              <Undefine></Undefine>
+              <IncludePath> {% for path in include_paths %} {{path}}; {% endfor %} </IncludePath>
+            </VariousControls>
+          </Cads>
+          <Aads>
+            <interw>1</interw>
+            <Ropi>0</Ropi>
+            <Rwpi>0</Rwpi>
+            <thumb>0</thumb>
+            <SplitLS>0</SplitLS>
+            <SwStkChk>0</SwStkChk>
+            <NoWarn>0</NoWarn>
+            <uSurpInc>0</uSurpInc>
+            <VariousControls>
+              <MiscControls></MiscControls>
+              <Define></Define>
+              <Undefine></Undefine>
+              <IncludePath></IncludePath>
+            </VariousControls>
+          </Aads>
+          <LDads>
+            <umfTarg>0</umfTarg>
+            <Ropi>0</Ropi>
+            <Rwpi>0</Rwpi>
+            <noStLib>0</noStLib>
+            <RepFail>1</RepFail>
+            <useFile>0</useFile>
+            <TextAddressRange>0x08000000</TextAddressRange>
+            <DataAddressRange>0x20000000</DataAddressRange>
+            <ScatterFile>{{scatter_file}}</ScatterFile>
+            <IncludeLibs></IncludeLibs>
+            <IncludeLibsPath></IncludeLibsPath>
+            <Misc>
+            {% for file in object_files %}
+              {{file}}
+            {% endfor %}
+            </Misc>
+            <LinkerInputFile></LinkerInputFile>
+            <DisabledWarnings></DisabledWarnings>
+          </LDads>
+        </TargetArmAds>
+      </TargetOption>
+      <Groups>
+        {% for group,files in source_files %}     
+        <Group>
+          <GroupName>{{group}}</GroupName>
+          <Files>
+            {% for file in files %}
+            <File>
+              <FileName>{{file.name}}</FileName>
+              <FileType>{{file.type}}</FileType>
+              <FilePath>{{file.path}}</FilePath>
+              <FileOption>
+                <CommonProperty>
+                  <UseCPPCompiler>2</UseCPPCompiler>
+                  <RVCTCodeConst>0</RVCTCodeConst>
+                  <RVCTZI>0</RVCTZI>
+                  <RVCTOtherData>0</RVCTOtherData>
+                  <ModuleSelection>0</ModuleSelection>
+                  <IncludeInBuild>1</IncludeInBuild>
+                  <AlwaysBuild>0</AlwaysBuild>
+                  <GenerateAssemblyFile>0</GenerateAssemblyFile>
+                  <AssembleAssemblyFile>0</AssembleAssemblyFile>
+                  <PublicsOnly>0</PublicsOnly>
+                  <StopOnExitCode>3</StopOnExitCode>
+                  <CustomArgument></CustomArgument>
+                  <IncludeLibraryModules></IncludeLibraryModules>
+                </CommonProperty>
+                <FileArmAds/>
+              </FileOption>
+            </File>
+            {% endfor %}
+          </Files>
+        </Group>
+        {% endfor %}
+      </Groups>
+    </Target>
+  </Targets>
+
+</Project>
--- a/workspace_tools/targets.py
+++ b/workspace_tools/targets.py
@ -349,7 +349,7 @@ class NUCLEO_F302R8(Target):
    def __init__(self):
        Target.__init__(self)
        
-        self.core = "Cortex-M3"
+        self.core = "Cortex-M4"
        
        self.extra_labels = ['STM', 'STM32F3', 'STM32F302R8']