davidanger · davidanger · Jun 30, 2018 · Jun 10, 2018 · Jun 10, 2018 · Jun 10, 2018
diff --git a/README.md b/README.md
@@ -1,5 +1,5 @@
 # Arduino core support for STM32 based boards
-### Latest release [![GitHub release](https://img.shields.io/github/release/stm32duino/Arduino_Core_STM32.svg)](https://github.com/stm32duino/Arduino_Core_STM32/releases/latest) [![GitHub commits](https://img.shields.io/github/commits-since/stm32duino/Arduino_Core_STM32/1.2.0.svg)](https://github.com/stm32duino/Arduino_Core_STM32/compare/1.2.0...master)
+### Latest release [![GitHub release](https://img.shields.io/github/release/stm32duino/Arduino_Core_STM32.svg)](https://github.com/stm32duino/Arduino_Core_STM32/releases/latest) [![GitHub commits](https://img.shields.io/github/commits-since/stm32duino/Arduino_Core_STM32/1.3.0.svg)](https://github.com/stm32duino/Arduino_Core_STM32/compare/1.3.0...master)
 
 **Warning**: release versioning has been changed from date versioning to semantic one. See [Release Versioning change](https://github.com/stm32duino/wiki/wiki/Release-Versioning-change)
 
@@ -26,6 +26,7 @@ For advanced user, you can use the repository: see the [Using git repository](ht
   * STM32F0
     * [Nucleo F030R8](http://www.st.com/en/evaluation-tools/nucleo-f030r8.html)
     * [Nucleo F091RC](http://www.st.com/en/evaluation-tools/nucleo-f091rc.html)
+    * [32F0308DISCOVERY](http://www.st.com/en/evaluation-tools/32f0308discovery.html)
 
   * STM32F1
     * BluePill F103C8 (Basic support, no USB)
@@ -62,6 +63,8 @@ For advanced user, you can use the repository: see the [Using git repository](ht
   * STM32L4
     * [Nucleo L432KC](http://www.st.com/en/evaluation-tools/nucleo-l432kc.html)
     * [Nucleo L476RG](http://www.st.com/en/evaluation-tools/nucleo-l476rg.html)
+    * [NUCLEO-L496ZG-P](http://www.st.com/en/evaluation-tools/nucleo-l496zg.html)
+    * [NUCLEO-L496ZG-P](http://www.st.com/en/evaluation-tools/nucleo-l496zg-p.html)
     * [B-L475E-IOT01A](http://www.st.com/en/evaluation-tools/b-l475e-iot01a.html)
 
 ### Next release

diff --git a/boards.txt b/boards.txt
@@ -49,6 +49,30 @@ Nucleo_144.menu.pnum.NUCLEO_F429ZI.build.product_line=STM32F429xx
 Nucleo_144.menu.pnum.NUCLEO_F429ZI.build.variant=NUCLEO_F429ZI
 Nucleo_144.menu.pnum.NUCLEO_F429ZI.build.cmsis_lib_gcc=arm_cortexM4l_math
 
+# NUCLEO_L496ZG board
+Nucleo_144.menu.pnum.NUCLEO_L496ZG=Nucleo L496ZG
+Nucleo_144.menu.pnum.NUCLEO_L496ZG.node=NODE_L496ZG
+Nucleo_144.menu.pnum.NUCLEO_L496ZG.upload.maximum_size=1048576
+Nucleo_144.menu.pnum.NUCLEO_L496ZG.upload.maximum_data_size=327680
+Nucleo_144.menu.pnum.NUCLEO_L496ZG.build.mcu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard
+Nucleo_144.menu.pnum.NUCLEO_L496ZG.build.board=NUCLEO_L496ZG
+Nucleo_144.menu.pnum.NUCLEO_L496ZG.build.series=STM32L4xx
+Nucleo_144.menu.pnum.NUCLEO_L496ZG.build.product_line=STM32L496xx
+Nucleo_144.menu.pnum.NUCLEO_L496ZG.build.variant=NUCLEO_L496ZG
+Nucleo_144.menu.pnum.NUCLEO_L496ZG.build.cmsis_lib_gcc=arm_cortexM4l_math
+
+# NUCLEO_L496ZG-P board
+Nucleo_144.menu.pnum.NUCLEO_L496ZG-P=Nucleo L496ZG-P
+Nucleo_144.menu.pnum.NUCLEO_L496ZG-P.node=NODE_L496ZG
+Nucleo_144.menu.pnum.NUCLEO_L496ZG-P.upload.maximum_size=1048576
+Nucleo_144.menu.pnum.NUCLEO_L496ZG-P.upload.maximum_data_size=327680
+Nucleo_144.menu.pnum.NUCLEO_L496ZG-P.build.mcu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard
+Nucleo_144.menu.pnum.NUCLEO_L496ZG-P.build.board=NUCLEO_L496ZG_P
+Nucleo_144.menu.pnum.NUCLEO_L496ZG-P.build.series=STM32L4xx
+Nucleo_144.menu.pnum.NUCLEO_L496ZG-P.build.product_line=STM32L496xx
+Nucleo_144.menu.pnum.NUCLEO_L496ZG-P.build.variant=NUCLEO_L496ZG
+Nucleo_144.menu.pnum.NUCLEO_L496ZG-P.build.cmsis_lib_gcc=arm_cortexM4l_math
+
 # Upload menu
 Nucleo_144.menu.upload_method.MassStorage=Mass Storage
 Nucleo_144.menu.upload_method.MassStorage.upload.protocol=
@@ -472,53 +496,41 @@ Maple.menu.upload_method.serialMethod.upload.tool=serial_upload
 
 ################################################################################
 # Serialx activation
-Nucleo_144.menu.xserial.generic=Generic Serial
-Nucleo_144.menu.xserial.none=No Serial
-Nucleo_144.menu.xserial.none.build.xSerial=-DNO_HWSERIAL
-Nucleo_144.menu.xserial.all=All (up to 10)
-Nucleo_144.menu.xserial.all.build.xSerial=-DALL_HWSERIAL
-Nucleo_144.menu.xserial.third=Enable first third (USART1 to 3 if available)
-Nucleo_144.menu.xserial.third.build.xSerial=-DFIRST_THIRD_HWSERIAL
-
-Nucleo_64.menu.xserial.generic=Generic Serial
-Nucleo_64.menu.xserial.none=No Serial
-Nucleo_64.menu.xserial.none.build.xSerial=-DNO_HWSERIAL
-Nucleo_64.menu.xserial.all=All (up to 10)
-Nucleo_64.menu.xserial.all.build.xSerial=-DALL_HWSERIAL
-Nucleo_64.menu.xserial.third=Enable first third (USART1 to 3 if available)
-Nucleo_64.menu.xserial.third.build.xSerial=-DFIRST_THIRD_HWSERIAL
-
-Nucleo_32.menu.xserial.generic=Generic Serial
-Nucleo_32.menu.xserial.none=No Serial
-Nucleo_32.menu.xserial.none.build.xSerial=-DNO_HWSERIAL
-Nucleo_32.menu.xserial.all=All (up to 10)
-Nucleo_32.menu.xserial.all.build.xSerial=-DALL_HWSERIAL
-Nucleo_32.menu.xserial.third=Enable first third (USART1 to 3 if available)
-Nucleo_32.menu.xserial.third.build.xSerial=-DFIRST_THIRD_HWSERIAL
-
-Disco.menu.xserial.generic=Generic Serial
-Disco.menu.xserial.none=No Serial
-Disco.menu.xserial.none.build.xSerial=-DNO_HWSERIAL
-Disco.menu.xserial.all=All (up to 10)
-Disco.menu.xserial.all.build.xSerial=-DALL_HWSERIAL
-Disco.menu.xserial.third=Enable first third (USART1 to 3 if available)
-Disco.menu.xserial.third.build.xSerial=-DFIRST_THIRD_HWSERIAL
-
-GenF103.menu.xserial.generic=Generic Serial
-GenF103.menu.xserial.none=No Serial
-GenF103.menu.xserial.none.build.xSerial=-DNO_HWSERIAL
-GenF103.menu.xserial.all=All (up to 10)
-GenF103.menu.xserial.all.build.xSerial=-DALL_HWSERIAL
-GenF103.menu.xserial.third=Enable first third (USART1 to 3 if available)
-GenF103.menu.xserial.third.build.xSerial=-DFIRST_THIRD_HWSERIAL
-
-Maple.menu.xserial.generic=Generic Serial
-Maple.menu.xserial.none=No Serial
-Maple.menu.xserial.none.build.xSerial=-DNO_HWSERIAL
-Maple.menu.xserial.all=All (up to 10)
-Maple.menu.xserial.all.build.xSerial=-DALL_HWSERIAL
-Maple.menu.xserial.third=Enable first third (USART1 to 3 if available)
-Maple.menu.xserial.third.build.xSerial=-DFIRST_THIRD_HWSERIAL
+Nucleo_144.menu.xserial.generic=Enabled with generic Serial
+Nucleo_144.menu.xserial.none=Enabled without generic Serial
+Nucleo_144.menu.xserial.none.build.xSerial=-DHAL_UART_MODULE_ENABLED -DHWSERIAL_NONE
+Nucleo_144.menu.xserial.disabled=Disabled (No Serial)
+Nucleo_144.menu.xserial.disabled.build.xSerial=
+
+Nucleo_64.menu.xserial.generic=Enabled with generic Serial
+Nucleo_64.menu.xserial.none=Enabled without generic Serial
+Nucleo_64.menu.xserial.none.build.xSerial=-DHAL_UART_MODULE_ENABLED -DHWSERIAL_NONE
+Nucleo_64.menu.xserial.disabled=Disabled (No Serial)
+Nucleo_64.menu.xserial.disabled.build.xSerial=
+
+Nucleo_32.menu.xserial.generic=Enabled with generic Serial
+Nucleo_32.menu.xserial.none=Enabled without generic Serial
+Nucleo_32.menu.xserial.none.build.xSerial=-DHAL_UART_MODULE_ENABLED -DHWSERIAL_NONE
+Nucleo_32.menu.xserial.disabled=Disabled (No Serial)
+Nucleo_32.menu.xserial.disabled.build.xSerial=
+
+Disco.menu.xserial.generic=Enabled with generic Serial
+Disco.menu.xserial.none=Enabled without generic Serial
+Disco.menu.xserial.none.build.xSerial=-DHAL_UART_MODULE_ENABLED -DHWSERIAL_NONE
+Disco.menu.xserial.disabled=Disabled (No Serial)
+Disco.menu.xserial.disabled.build.xSerial=
+
+GenF103.menu.xserial.generic=Enabled with generic Serial
+GenF103.menu.xserial.none=Enabled without generic Serial
+GenF103.menu.xserial.none.build.xSerial=-DHAL_UART_MODULE_ENABLED -DHWSERIAL_NONE
+GenF103.menu.xserial.disabled=Disabled (No Serial)
+GenF103.menu.xserial.disabled.build.xSerial=
+
+Maple.menu.xserial.generic=Enabled with generic Serial
+Maple.menu.xserial.none=Enabled without generic Serial
+Maple.menu.xserial.none.build.xSerial=-DHAL_UART_MODULE_ENABLED -DHWSERIAL_NONE
+Maple.menu.xserial.disabled=Disabled (No Serial)
+Maple.menu.xserial.disabled.build.xSerial=
 
 # USB connectivity
 Nucleo_144.menu.usb.none=None

diff --git a/cores/arduino/HardwareSerial.cpp b/cores/arduino/HardwareSerial.cpp
@@ -30,11 +30,11 @@
 #include "Arduino.h"
 #include "HardwareSerial.h"
 
-#if !defined(NO_HWSERIAL)
+#if defined(HAL_UART_MODULE_ENABLED)
 #if defined(HAVE_HWSERIAL1) || defined(HAVE_HWSERIAL2) || defined(HAVE_HWSERIAL3) ||\
     defined(HAVE_HWSERIAL4) || defined(HAVE_HWSERIAL5) || defined(HAVE_HWSERIAL6) ||\
     defined(HAVE_HWSERIAL7) || defined(HAVE_HWSERIAL8) || defined(HAVE_HWSERIAL8) ||\
-    defined(HAVE_HWSERIAL10)
+    defined(HAVE_HWSERIAL10) || defined(HAVE_HWSERIALLP1)
 // SerialEvent functions are weak, so when the user doesn't define them,
 // the linker just sets their address to 0 (which is checked below).
 #if defined(HAVE_HWSERIAL1)
@@ -103,6 +103,12 @@
   void serialEvent10() __attribute__((weak));
 #endif
 
+#if defined(HAVE_HWSERIALLP1)
+  HardwareSerial SerialLP1(LPUART1);
+  void serialEventLP1() __attribute__((weak));
+#endif
+#endif // HAVE_HWSERIALx
+
 void serialEventRun(void)
 {
 #if defined(HAVE_HWSERIAL1)
@@ -135,6 +141,9 @@ void serialEventRun(void)
 #if defined(HAVE_HWSERIAL10)
   if (serialEventl10 && Serial10.available()) serialEvent10();
 #endif
+#if defined(HAVE_HWSERIALLP1)
+  if (serialEventLP1 && SerialLP1.available()) serialEventLP1();
+#endif
 }
 
 // Constructors ////////////////////////////////////////////////////////////////
@@ -391,5 +400,4 @@ void HardwareSerial::setRx(PinName _rx) {
 void HardwareSerial::setTx(PinName _tx){
   _serial.pin_tx = _tx;
 }
-#endif // HAVE_HWSERIALx
-#endif // !NO_HWSERIAL
+#endif // HAL_UART_MODULE_ENABLED
diff --git a/cores/arduino/HardwareSerial.h b/cores/arduino/HardwareSerial.h
@@ -146,6 +146,7 @@ extern HardwareSerial Serial7;
 extern HardwareSerial Serial8;
 extern HardwareSerial Serial9;
 extern HardwareSerial Serial10;
+extern HardwareSerial SerialLP1;
 
 extern void serialEventRun(void) __attribute__((weak));
 

diff --git a/cores/arduino/pins_arduino.h b/cores/arduino/pins_arduino.h
@@ -49,7 +49,7 @@ enum {
 
 // Arduino analog pins
 // Analog pins must be contiguous to be able to loop on each value
-#define MAX_ANALOG_INPUTS 20
+#define MAX_ANALOG_INPUTS 24
 _Static_assert(NUM_ANALOG_INPUTS <= MAX_ANALOG_INPUTS,
                "Core NUM_ANALOG_INPUTS limited to MAX_ANALOG_INPUTS" );
 _Static_assert(NUM_ANALOG_FIRST >= NUM_ANALOG_INPUTS,
@@ -138,6 +138,22 @@ static const uint8_t A18 = PIN_A18;
 #define PIN_A19      (PIN_A18 + 1)
 static const uint8_t A19 = PIN_A19;
 #endif
+#if NUM_ANALOG_INPUTS > 20
+#define PIN_A20      (PIN_A19 + 1)
+static const uint8_t A20 = PIN_A20;
+#endif
+#if NUM_ANALOG_INPUTS > 21
+#define PIN_A21      (PIN_A20 + 1)
+static const uint8_t A21 = PIN_A21;
+#endif
+#if NUM_ANALOG_INPUTS > 22
+#define PIN_A22      (PIN_A21 + 1)
+static const uint8_t A22 = PIN_A22;
+#endif
+#if NUM_ANALOG_INPUTS > 23
+#define PIN_A23      (PIN_A22 + 1)
+static const uint8_t A23 = PIN_A23;
+#endif
 
 // Default for Arduino connector compatibility
 // SPI Definitions

diff --git a/cores/arduino/stm32/PortNames.c b/cores/arduino/stm32/PortNames.c
@@ -132,6 +132,11 @@ GPIO_TypeDef *set_GPIO_Port_Clock(uint32_t port_idx) {
 #endif
 #if defined GPIOG_BASE
         case PortG:
+#if defined(STM32L4xx) && defined(PWR_CR2_IOSV)
+            // Enable VDDIO2 supply for 14 I/Os (Port G[15:2])
+            __HAL_RCC_PWR_CLK_ENABLE();
+            HAL_PWREx_EnableVddIO2();
+#endif
             gpioPort = (GPIO_TypeDef *)GPIOG_BASE;
             __HAL_RCC_GPIOG_CLK_ENABLE();
             break;

diff --git a/cores/arduino/stm32/clock.c b/cores/arduino/stm32/clock.c
@@ -35,7 +35,7 @@
   *
   ******************************************************************************
   */
-#include "stm32_def.h"
+#include "clock.h"
 
 #ifdef __cplusplus
  extern "C" {
@@ -120,6 +120,64 @@ void delayInsideIT(uint32_t delay_us)
 #endif
 }
 
+/**
+  * @brief  Enable the specified clock if not already set
+  * @param  source: clock source: LSE_CLOCK, LSI_CLOCK, HSI_CLOCK or HSE_CLOCK
+  * @retval None
+  */
+void enableClock(sourceClock_t source)
+{
+  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
+  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+
+  switch(source) {
+    case LSI_CLOCK:
+      if(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) == RESET) {
+        RCC_OscInitStruct.OscillatorType =  RCC_OSCILLATORTYPE_LSI;
+        RCC_OscInitStruct.LSIState = RCC_LSI_ON;
+      }
+      break;
+    case HSI_CLOCK:
+      if(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET) {
+        RCC_OscInitStruct.OscillatorType =  RCC_OSCILLATORTYPE_HSI;
+        RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+        RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+      }
+      break;
+    case LSE_CLOCK:
+      /* Enable Power Clock */
+      if(__HAL_RCC_PWR_IS_CLK_DISABLED()) {
+        __HAL_RCC_PWR_CLK_ENABLE();
+      }
+#ifdef HAL_PWR_MODULE_ENABLED
+      /* Allow access to Backup domain */
+      HAL_PWR_EnableBkUpAccess();
+#endif
+      if(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET) {
+#ifdef __HAL_RCC_LSEDRIVE_CONFIG
+        __HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
+#endif
+        RCC_OscInitStruct.OscillatorType =  RCC_OSCILLATORTYPE_LSE;
+        RCC_OscInitStruct.LSEState = RCC_LSE_ON;
+      }
+      break;
+    case HSE_CLOCK:
+      if(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET) {
+        RCC_OscInitStruct.OscillatorType =  RCC_OSCILLATORTYPE_HSE;
+        RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+      }
+      break;
+    default:
+      /* No valid clock to enable */
+      break;
+  }
+  if(RCC_OscInitStruct.OscillatorType != RCC_OSCILLATORTYPE_NONE) {
+    if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+      Error_Handler();
+    }
+  }
+}
+
 #ifdef __cplusplus
 }
 #endif

diff --git a/cores/arduino/stm32/clock.h b/cores/arduino/stm32/clock.h
@@ -47,13 +47,22 @@
 #endif
 
 /* Exported types ------------------------------------------------------------*/
+/* Clock source selection */
+typedef enum {
+  LSI_CLOCK,
+  HSI_CLOCK,
+  LSE_CLOCK,
+  HSE_CLOCK
+} sourceClock_t;
+
 /* Exported constants --------------------------------------------------------*/
 /* Exported macro ------------------------------------------------------------*/
 /* Exported functions ------------------------------------------------------- */
 uint32_t GetCurrentMilli(void);
 uint32_t GetCurrentMicro(void);
 void delayInsideIT(uint32_t delay_us);
 
+void enableClock(sourceClock_t source);
 #ifdef __cplusplus
 }
 #endif

diff --git a/cores/arduino/stm32/low_power.c b/cores/arduino/stm32/low_power.c
@@ -45,7 +45,7 @@
  extern "C" {
 #endif
 
-#ifdef UART_IT_WUF
+#if defined(UART_IT_WUF) && defined(HAL_UART_MODULE_ENABLED)
 /* Save UART handler for callback */
 static UART_HandleTypeDef* WakeUpUart = NULL;
 #endif
@@ -201,7 +201,7 @@ void LowPower_sleep(uint32_t regulator){
 void LowPower_stop(serial_t *obj){
   __disable_irq();
 
-#ifdef UART_IT_WUF
+#if defined(UART_IT_WUF) && defined(HAL_UART_MODULE_ENABLED)
   if (WakeUpUart != NULL) {
     HAL_UARTEx_EnableStopMode(WakeUpUart);
   }
@@ -223,8 +223,8 @@ void LowPower_stop(serial_t *obj){
   HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
 
   /* Exit Stop mode reset clocks */
-  SystemClock_Config();
-#ifdef UART_IT_WUF
+  SystemClock_ConfigFromStop();
+#if defined(UART_IT_WUF) && defined(HAL_UART_MODULE_ENABLED)
   if (WakeUpUart != NULL) {
     /* In case of WakeUp from UART, reset its clock source to HSI */
     uart_config_lowpower(obj);
@@ -290,7 +290,7 @@ void LowPower_shutdown(){
   * @retval None
   */
 void LowPower_EnableWakeUpUart(serial_t* serial, void (*FuncPtr)( void ) ) {
-#ifdef UART_IT_WUF
+#if defined(UART_IT_WUF) && defined(HAL_UART_MODULE_ENABLED)
   UART_WakeUpTypeDef WakeUpSelection;
   if(serial == NULL) {
     return;
@@ -319,6 +319,17 @@ void LowPower_EnableWakeUpUart(serial_t* serial, void (*FuncPtr)( void ) ) {
   WakeUpUartCb = FuncPtr;
 }
 
+/**
+  * @brief  Configures system clock after wake-up from STOP
+  * @note   Weaked function which can be redefined by user at the sketch level.
+  *         By default, call 'SystemClock_Config()'.
+  * @param  None
+  * @retval None
+  */
+WEAK void SystemClock_ConfigFromStop(void) {
+  SystemClock_Config();
+}
+
 #ifdef __cplusplus
 }
 #endif