Update to support STM32L1xx

Signed-off-by: Frederic.Pillon <frederic.pillon@st.com>

Author: fpistm

cores/arduino/stm32/analog.c

@@ -737,7 +737,7 @@ void pwm_start(PinName pin, uint32_t clock_freq,
   timHandle.Init.Period            = period -1;
   timHandle.Init.ClockDivision     = TIM_CLOCKDIVISION_DIV1;
   timHandle.Init.CounterMode       = TIM_COUNTERMODE_UP;
-#ifndef STM32L0xx
+#if !defined(STM32L0xx) && !defined(STM32L1xx)
   timHandle.Init.RepetitionCounter = 0;
 #endif
   timHandle.State= HAL_TIM_STATE_RESET;
@@ -758,7 +758,7 @@ void pwm_start(PinName pin, uint32_t clock_freq,
   timConfig.OCMode       = TIM_OCMODE_PWM1;
   timConfig.OCPolarity   = TIM_OCPOLARITY_HIGH;
   timConfig.OCFastMode   = TIM_OCFAST_DISABLE;
-#ifndef STM32L0xx
+#if !defined(STM32L0xx) && !defined(STM32L1xx)
   timConfig.OCNPolarity  = TIM_OCNPOLARITY_HIGH;
   timConfig.OCNIdleState = TIM_OCNIDLESTATE_RESET;
   timConfig.OCIdleState  = TIM_OCIDLESTATE_RESET;
@@ -771,7 +771,7 @@ void pwm_start(PinName pin, uint32_t clock_freq,
     return;
   }
 
-#ifndef STM32L0xx
+#if !defined(STM32L0xx) && !defined(STM32L1xx)
   if(STM_PIN_INVERTED(pinmap_function(pin, PinMap_PWM))) {
     HAL_TIMEx_PWMN_Start(&timHandle, timChannel);
   } else
@@ -797,7 +797,7 @@ void pwm_stop(PinName pin)
   timChannel = get_pwm_channel(pin);
   if (!IS_TIM_CHANNELS(timChannel)) return;
 
-#ifndef STM32L0xx
+#if !defined(STM32L0xx) && !defined(STM32L1xx)
   if (STM_PIN_INVERTED(pinmap_function(pin, PinMap_PWM))) {
     HAL_TIMEx_PWMN_Stop(&timHandle, timChannel);
   } else

cores/arduino/stm32/stm32_eeprom.c

@@ -69,7 +69,7 @@
   * @{
   */
 // We use the last page of the flash to store data (to prevent code overwritten).
-#if defined (STM32F0xx) || defined (STM32F1xx)
+#if defined (STM32F0xx) || defined (STM32F1xx) || defined(STM32L1xx)
 #ifdef FLASH_BANK2_END
 #define FLASH_BASE_ADDRESS  ((uint32_t)((FLASH_BANK2_END + 1) - FLASH_PAGE_SIZE))
 #else
@@ -200,7 +200,7 @@ void set_data_to_flash(void)
   uint32_t address = FLASH_BASE_ADDRESS;
   uint32_t address_end = FLASH_BASE_ADDRESS + E2END;
 #if defined (STM32F0xx) || defined (STM32F1xx) || defined (STM32F3xx) || \
-    defined (STM32L0xx) || defined(STM32L4xx)
+    defined (STM32L0xx) || defined (STM32L1xx) || defined(STM32L4xx)
   uint32_t pageError = 0;
   uint64_t data = 0;
 
@@ -218,18 +218,26 @@ void set_data_to_flash(void)
   EraseInitStruct.NbPages = 1;
 
   if(HAL_FLASH_Unlock() == HAL_OK) {
-#ifdef STM32L0xx
+#if defined(STM32L0xx)
     __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP|FLASH_FLAG_WRPERR|FLASH_FLAG_PGAERR|\
                            FLASH_FLAG_SIZERR|FLASH_FLAG_OPTVERR|FLASH_FLAG_RDERR|\
                            FLASH_FLAG_FWWERR|FLASH_FLAG_NOTZEROERR);
+#elif defined(STM32L1xx)
+#if defined(FLASH_SR_RDERR)
+    __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP|FLASH_FLAG_WRPERR|FLASH_FLAG_PGAERR|\
+                           FLASH_FLAG_SIZERR|FLASH_FLAG_OPTVERR|FLASH_FLAG_RDERR);
+#else
+    __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP|FLASH_FLAG_WRPERR|FLASH_FLAG_PGAERR|\
+                           FLASH_FLAG_SIZERR|FLASH_FLAG_OPTVERR);
+#endif
 #elif defined (STM32L4xx)
     __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_ALL_ERRORS);
 #else
     __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP|FLASH_FLAG_WRPERR|FLASH_FLAG_PGERR);
 #endif
     if(HAL_FLASHEx_Erase(&EraseInitStruct, &pageError) == HAL_OK) {
       while(address < address_end) {
-#ifdef STM32L0xx
+#if defined(STM32L0xx) || defined(STM32L1xx)
       memcpy(&data, tmpEE + offset, sizeof(uint32_t));
       if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, address, data) == HAL_OK) {
         address += 4;

cores/arduino/stm32/timer.c

@@ -413,7 +413,7 @@ void TimerHandleInit(stimer_t *obj, uint16_t period, uint16_t prescaler)
   handle->Init.CounterMode       = TIM_COUNTERMODE_UP;
   handle->Init.Period            = period;
   handle->Init.ClockDivision     = TIM_CLOCKDIVISION_DIV1;
-#ifndef STM32L0xx
+#if !defined(STM32L0xx) && !defined(STM32L1xx)
   handle->Init.RepetitionCounter = 0x0000;
 #endif
   if(HAL_TIM_Base_Init(handle) != HAL_OK){
@@ -757,7 +757,7 @@ void TimerPulseInit(stimer_t *obj, uint16_t period, uint16_t pulseWidth, void (*
   handle->Init.Prescaler         = (uint32_t)(getTimerClkFreq(obj->timer) / (1000000)) - 1;
   handle->Init.ClockDivision     = 0;
   handle->Init.CounterMode       = TIM_COUNTERMODE_UP;
-#ifndef STM32L0xx
+#if !defined(STM32L0xx) && !defined(STM32L1xx)
   handle->Init.RepetitionCounter = 0;
 #endif
   obj->irqHandleOC = irqHandle;
@@ -766,7 +766,7 @@ void TimerPulseInit(stimer_t *obj, uint16_t period, uint16_t pulseWidth, void (*
   sConfig.Pulse         = pulseWidth;
   sConfig.OCPolarity    = TIM_OCPOLARITY_HIGH;
   sConfig.OCFastMode    = TIM_OCFAST_DISABLE;
-#ifndef STM32L0xx
+#if !defined(STM32L0xx) && !defined(STM32L1xx)
   sConfig.OCNPolarity   = TIM_OCNPOLARITY_HIGH;
   sConfig.OCIdleState   = TIM_OCIDLESTATE_RESET;
   sConfig.OCNIdleState  = TIM_OCNIDLESTATE_RESET;

cores/arduino/stm32/uart.c

@@ -528,7 +528,7 @@ void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart) {
 void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart)
 {
   volatile uint32_t tmpval;
-#if defined(STM32F1xx) || defined(STM32F2xx) || defined(STM32F4xx)
+#if defined(STM32F1xx) || defined(STM32F2xx) || defined(STM32F4xx) || defined(STM32L1xx)
   if (__HAL_UART_GET_FLAG(huart, UART_FLAG_PE) != RESET) {
     tmpval = huart->Instance->DR; // Clear PE flag
   } else if (__HAL_UART_GET_FLAG(huart, UART_FLAG_FE) != RESET) {