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Diff: TARGET_NUCLEO_L053R8/stm32l0xx_hal_gpio_ex.h

Revision:: 96:487b796308b0
Parent:: 92:4fc01daae5a5
--- a/TARGET_NUCLEO_L053R8/stm32l0xx_hal_gpio_ex.h	Wed Mar 04 07:31:39 2015 +0100
+++ b/TARGET_NUCLEO_L053R8/stm32l0xx_hal_gpio_ex.h	Tue Mar 17 14:27:45 2015 +0000
@@ -2,13 +2,13 @@
   ******************************************************************************
   * @file    stm32l0xx_hal_gpio_ex.h
   * @author  MCD Application Team
-  * @version V1.1.0
-  * @date    18-June-2014
+  * @version V1.2.0
+  * @date    06-February-2015
   * @brief   Header file of GPIO HAL Extension module.
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+  * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
@@ -50,34 +50,974 @@
   * @{
   */
 
-/** @addtogroup GPIOEx
+/** @defgroup GPIOEx GPIOx
   * @{
-  */ 
+  */
 
 /* Exported types ------------------------------------------------------------*/
 
 /* Exported constants --------------------------------------------------------*/
 
-/** @defgroup GPIOEx_Exported_Constants
+/** @defgroup GPIOEx_Exported_Constants GPIOEx Exported Constants
   * @{
   */ 
   
-/** @defgroup GPIOEx_Alternate_function_selection
-  * @{
+
+/*----------------------------------------------------------------------------*/
+/*------------------------- STM32L083xx/STM32L073xx---------------------------*/
+/*----------------------------------------------------------------------------*/
+
+#if defined (STM32L083xx) || defined (STM32L073xx)
+
+/* The table below gives an overview of the different alternate functions per port.
+ * For more details refer yourself to the product data sheet.
+ *
+ */
+
+/*     |   AF0  |   AF1  |   AF2  |   AF3  |   AF4  |   AF5  |   AF6  |   AF7  |
+ *______________________________________________________________________________
+ * PA0 |        |        |TIM2_C1 |TSC     |USART2  |TIM2_TR |USART4  |COMP1   |
+ * PA1 |EVENTOUT|LCD     |TIM2_C2 |TSC     |USART2  |TIM21_TR|USART4  |        |
+ * PA2 |TIM21_C1|LCD     |TIM2_C3 |TSC     |USART2  |        |LPUART1 |COMP2   |
+ * PA3 |TIM21_C2|LCD     |TIM2_C4 |TSC     |USART2  |        |LPUART1 |        |
+ * PA4 |SPI1    |        |        |TSC     |USART2  |TIM22_TR|        |        |
+ * PA5 |SPI1    |        |TIM2_TR |TSC     |        |TIM2_C1 |        |        |
+ * PA6 |SPI1    |LCD     |TIM3_C1 |TSC     |LPUART1 |TIM22_C1|EVENTOUT|COMP1   |
+ * PA7 |SPI1    |LCD     |TIM3_C2 |TSC     |        |TIM22_C2|EVENTOUT|COMP2   |
+ * PA8 |MCO     |LCD     |USB     |EVENTOUT|USART1  |        |        |I2C3    |
+ * PA9 |MCO     |LCD     |        |TSC     |USART1  |        |I2C1    |I2C3    |
+ * PA10|        |LCD     |        |TSC     |USART1  |        |I2C1    |        |
+ * PA11|SPI1    |        |EVENTOUT|TSC     |USART1  |        |I2C2    |COMP1   |
+ * PA12|SPI1    |        |EVENTOUT|TSC     |USART1  |        |I2C2    |COMP2   |
+ * PA13|SWDIO   |        |USB     |        |        |        |LPUART1 |        |
+ * PA14|SWCLK   |        |        |        |USART2  |        |LPUART1 |        |
+ * PA15|SPI1    |LCD     |TIM2_TR |EVENTOUT|USART2  |TIM2_C1 |USART4  |        |
+ *______________________________________________________________________________
+ * PB0 |EVENTOUT|LCD     |TIM3_C3 |TSC     |        |        |        |        |
+ * PB1 |        |LCD     |TIM3_C4 |TSC     |LPUART1 |        |        |        |
+ * PB2 |        |        |LPTIM1_O|TSC     |        |        |        |I2C3    |
+ * PB3 |SPI1    |LCD     |TIM2_C2 |TSC     |EVENTOUT|USART1  |USART5  |        |
+ * PB4 |SPI1    |LCD     |TIM3_C1 |TSC     |TIM22_C1|USART1  |USART5  |I2C3    |
+ * PB5 |SPI1    |LCD     |LPTIM1_I|I2C1    |TIM3_C2 |USART1  |USART5  |        |
+ *     |        |        |        |        |TIM22_C2|        |        |        |
+ * PB6 |USART1  |I2C1    |LPTIM1_T|TSC     |        |        |        |        |
+ * PB7 |USART1  |I2C1    |LPTIM1_I|TSC     |        |        |USART4  |        |
+ * PB8 |        |LCD     |        |TSC     |I2C1    |        |        |        |
+ * PB9 |        |LCD     |EVENTOUT|        |I2C1    |SPI2    |        |        |
+ * PB10|        |LCD     |TIM2_C3 |TSC     |LPUART1 |SPI2    |I2C2    |LPUART1 |
+ * PB11|EVENTOUT|LCD     |TIM2_C4 |TSC     |LPUART1 |        |I2C2    |LPUART1 |
+ * PB12|SPI2    |LCD     |LPUART1 |TSC     |        |I2C2    |EVENTOUT|        |
+ * PB13|SPI2    |LCD     |MCO     |TSC     |LPUART1 |I2C2    |TIM21_C1|        |
+ * PB14|SPI2    |LCD     |RTC     |TSC     |LPUART1 |I2C2    |TIM21_C2|        |
+ * PB15|SPI2    |LCD     |RTC     |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PC0 |LPTIM1_I|LCD     |EVENTOUT|TSC     |        |        |LPUART1 |I2C3    |
+ * PC1 |LPTIM1_O|LCD     |EVENTOUT|TSC     |        |        |LPUART1 |I2C3    |
+ * PC2 |LPTIM1_I|LCD     |SPI2    |TSC     |        |        |        |        |
+ * PC3 |LPTIM1_T|LCD     |SPI2    |TSC     |        |        |        |        |
+ * PC4 |EVENTOUT|LCD     |LPUART1 |        |        |        |        |        |
+ * PC5 |        |LCD     |LPUART1 |TSC     |        |        |        |        |
+ * PC6 |TIM22_C1|LCD     |TIM3_C1 |TSC     |        |        |        |        |
+ * PC7 |TIM22_C2|LCD     |TIM3_C2 |TSC     |        |        |        |        |
+ * PC8 |TIM22_TR|LCD     |TIM3_C3 |TSC     |        |        |        |        |
+ * PC9 |TIM21_TR|LCD     |USB     |TSC     |        |        |        |I2C3    |
+ *     |        |        |TIM3_C4 |        |        |        |        |        |
+ * PC10|LPUART1 |LCD     |        |        |        |        |USART4  |        |
+ * PC11|LPUART1 |LCD     |        |        |        |        |USART4  |        |
+ * PC12|        |LCD     |USART5  |        |        |        |USART4  |        |
+ * PC13|        |        |        |        |        |        |        |        |
+ * PC14|        |        |        |        |        |        |        |        |
+ * PC15|        |        |        |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PD0 |TIM21_C1|SPI2    |        |        |        |        |        |        |
+ * PD1 |        |SPI2    |        |        |        |        |        |        |
+ * PD2 |LPUART1 |LCD     |TIM3_TR |        |        |        |USART5  |        |
+ * PD3 |USART2  |LCD     |SPI2    |        |        |        |        |        |
+ * PD4 |USART2  |SPI2    |        |        |        |        |        |        |
+ * PD5 |USART2  |        |        |        |        |        |        |        |
+ * PD6 |USART2  |        |        |        |        |        |        |        |
+ * PD7 |USART2  |TIM21_C2|        |        |        |        |        |        |
+ * PD8 |LPUART1 |LCD     |        |        |        |        |        |        |
+ * PD9 |LPUART1 |LCD     |        |        |        |        |        |        |
+ * PD10|        |LCD     |        |        |        |        |        |        |
+ * PD11|LPUART1 |LCD     |        |        |        |        |        |        |
+ * PD12|LPUART1 |LCD     |        |        |        |        |        |        |
+ * PD13|        |LCD     |        |        |        |        |        |        |
+ * PD14|        |LCD     |        |        |        |        |        |        |
+ * PD15|USB     |LCD     |        |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PE0 |        |LCD     |EVENTOUT|        |        |        |        |        |
+ * PE1 |        |LCD     |EVENTOUT|        |        |        |        |        |
+ * PE2 |        |LCD     |TIM3_TR |        |        |        |        |        |
+ * PE3 |TIM22_C1|LCD     |TIM3_C1 |        |        |        |        |        |
+ * PE4 |TIM22_C2|        |TIM3_C2 |        |        |        |        |        |
+ * PE5 |TIM21_C1|        |TIM3_C3 |        |        |        |        |        |
+ * PE6 |TIM21_C2|        |TIM3_C4 |        |        |        |        |        |
+ * PE7 |        |LCD     |        |        |        |        |USART5  |        |
+ * PE8 |        |LCD     |        |        |        |        |USART4  |        |
+ * PE9 |TIM2_C1 |LCD     |TIM2_TR |        |        |        |USART4  |        |
+ * PE10|TIM2_C2 |LCD     |        |        |        |        |USART5  |        |
+ * PE11|TIM2_C3 |        |        |        |        |        |USART5  |        |
+ * PE12|TIM2_C4 |        |SPI1    |        |        |        |        |        |
+ * PE13|        |LCD     |SPI1    |        |        |        |        |        |
+ * PE14|        |LCD     |SPI1    |        |        |        |        |        |
+ * PE15|        |LCD     |SPI1    |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PH0 |USB     |        |        |        |        |        |        |        |
+ * PH1 |        |        |        |        |        |        |        |        |
+ * PH9 |        |        |        |        |        |        |        |        |
+ * PH10|        |        |        |        |        |        |        |        |
+ *
+ */
+
+/** @defgroup GPIOEx_Alternate_function_selection Alternate function selection
+ * @{
+ */
+
+/** @defgroup GPIOEx_Alternate_function_AF0  Alternate function AF0
+ * @{
+ */
+#define GPIO_AF0_EVENTOUT      ((uint8_t)0x00)  /* EVENTOUT Alternate Function mapping */
+#define GPIO_AF0_TIM21         ((uint8_t)0x00)  /* TIM21 Alternate Function mapping    */
+#define GPIO_AF0_SPI1          ((uint8_t)0x00)  /* SPI1 Alternate Function mapping     */
+#define GPIO_AF0_MCO           ((uint8_t)0x00)  /* MCO Alternate Function mapping      */
+#define GPIO_AF0_SWDIO         ((uint8_t)0x00)  /* SWDIO Alternate Function mapping    */
+#define GPIO_AF0_SWCLK         ((uint8_t)0x00)  /* SWCLK Alternate Function mapping    */
+#define GPIO_AF0_USART1        ((uint8_t)0x00)  /* USART1 Alternate Function mapping   */
+#define GPIO_AF0_SPI2          ((uint8_t)0x00)  /* SPI2 Alternate Function mapping     */
+#define GPIO_AF0_LPTIM1        ((uint8_t)0x00)  /* LPTIM1 Alternate Function mapping   */
+#define GPIO_AF0_TIM22         ((uint8_t)0x00)  /* TIM22 Alternate Function mapping    */
+#define GPIO_AF0_LPUART1       ((uint8_t)0x00)  /* LPUART1 Alternate Function mapping  */
+#define GPIO_AF0_USART2        ((uint8_t)0x00)  /* USART2 Alternate Function mapping   */
+#define GPIO_AF0_TIM2          ((uint8_t)0x00)  /* TIM2 Alternate Function mapping     */
+#define GPIO_AF0_USB           ((uint8_t)0x00)  /* USB Alternate Function mapping      */
+/**
+ * @}
+ */
+
+/** @defgroup GPIOEx_Alternate_function_AF1  Alternate function AF1
+ * @{
+ */
+#define GPIO_AF1_I2C1          ((uint8_t)0x01)  /* I2C1 Alternate Function mapping     */
+#define GPIO_AF1_SPI2          ((uint8_t)0x01)  /* SPI2 Alternate Function mapping     */
+#define GPIO_AF1_TIM21         ((uint8_t)0x01)  /* TIM21 Alternate Function mapping    */
+#define GPIO_AF1_LCD           ((uint8_t)0x01)  /* LCD Alternate Function mapping      */
+/**
+ * @}
+ */
+
+/** @defgroup GPIOEx_Alternate_function_AF2  Alternate function AF2
+ * @{
+ */
+#define GPIO_AF2_TIM2          ((uint8_t)0x02)  /* TIM2 Alternate Function mapping     */
+#define GPIO_AF2_TIM3          ((uint8_t)0x02)  /* TIM3 Alternate Function mapping     */
+#define GPIO_AF2_EVENTOUT      ((uint8_t)0x02)  /* EVENTOUT Alternate Function mapping */
+#define GPIO_AF2_LPTIM1        ((uint8_t)0x02)  /* LPTIM1 Alternate Function mapping   */
+#define GPIO_AF2_LPUART1       ((uint8_t)0x02)  /* LPUART1 Alternate Function mapping  */
+#define GPIO_AF2_MCO           ((uint8_t)0x02)  /* MCO Alternate Function mapping      */
+#define GPIO_AF2_RTC           ((uint8_t)0x02)  /* RTC_OUT Alternate Function mapping  */
+#define GPIO_AF2_SPI2          ((uint8_t)0x02)  /* SPI2 Alternate Function mapping     */
+#define GPIO_AF2_USART5        ((uint8_t)0x02)  /* USART5 Alternate Function mapping   */
+#define GPIO_AF2_SPI1          ((uint8_t)0x02)  /* SPI1 Alternate Function mapping     */
+#define GPIO_AF2_USB           ((uint8_t)0x00)  /* USB Alternate Function mapping      */
+/**
+ * @}
+ */
+
+/** @defgroup GPIOEx_Alternate_function_AF3  Alternate function AF3
+ * @{
+ */
+#define GPIO_AF3_EVENTOUT      ((uint8_t)0x03)  /* EVENTOUT Alternate Function mapping */
+#define GPIO_AF3_I2C1          ((uint8_t)0x03)  /* I2C1 Alternate Function mapping     */
+#define GPIO_AF3_TSC           ((uint8_t)0x03)  /* TSC  Alternate Function mapping     */
+/**
+ * @}
+ */
+
+/** @defgroup GPIOEx_Alternate_function_AF4  Alternate function AF4
+ * @{
+ */
+#define GPIO_AF4_USART2          ((uint8_t)0x04)  /* USART2 Alternate Function mapping  */
+#define GPIO_AF4_LPUART1         ((uint8_t)0x04)  /* LPUART1 Alternate Function mapping */
+#define GPIO_AF4_USART1          ((uint8_t)0x04)  /* USART1 Alternate Function mapping  */
+#define GPIO_AF4_EVENTOUT        ((uint8_t)0x04)  /* EVENTOUT Alternate Function mapping*/
+#define GPIO_AF4_TIM22           ((uint8_t)0x04)  /* TIM22 Alternate Function mapping   */
+#define GPIO_AF4_TIM3            ((uint8_t)0x04)  /* TIM3 Alternate Function mapping    */
+#define GPIO_AF4_I2C1            ((uint8_t)0x04)  /* I2C1 Alternate Function mapping    */
+/**
+ * @}
+ */
+
+/** @defgroup GPIOEx_Alternate_function_AF5  Alternate function AF5
+ * @{
+ */
+#define GPIO_AF5_TIM2          ((uint8_t)0x05)  /* TIM2 Alternate Function mapping     */
+#define GPIO_AF5_TIM21         ((uint8_t)0x05)  /* TIM21 Alternate Function mapping    */
+#define GPIO_AF5_TIM22         ((uint8_t)0x05)  /* TIM22 Alternate Function mapping    */
+#define GPIO_AF5_USART1        ((uint8_t)0x05)  /* USART1 Alternate Function mapping   */
+#define GPIO_AF5_SPI2          ((uint8_t)0x05)  /* SPI2 Alternate Function mapping     */
+#define GPIO_AF5_I2C2          ((uint8_t)0x05)  /* I2C2 Alternate Function mapping     */
+/**
+ * @}
+ */
+
+/** @defgroup GPIOEx_Alternate_function_AF6  Alternate function AF6
+ * @{
+ */
+
+#define GPIO_AF6_USART4        ((uint8_t)0x06)  /* USART4 Alternate Function mapping   */
+#define GPIO_AF6_LPUART1       ((uint8_t)0x06)  /* LPUART1 Alternate Function mapping  */
+#define GPIO_AF6_EVENTOUT      ((uint8_t)0x06)  /* EVENTOUT Alternate Function mapping */
+#define GPIO_AF6_I2C1          ((uint8_t)0x06)  /* I2C1 Alternate Function mapping     */
+#define GPIO_AF6_I2C2          ((uint8_t)0x06)  /* I2C2 Alternate Function mapping     */
+#define GPIO_AF6_USART5        ((uint8_t)0x06)  /* USART5 Alternate Function mapping   */
+#define GPIO_AF6_TIM21         ((uint8_t)0x06)  /* TIM21 Alternate Function mapping    */
+/**
+ * @}
+ */
+
+/** @defgroup GPIOEx_Alternate_function_AF7  Alternate function AF7
+ * @{
+ */
+#define GPIO_AF7_COMP1        ((uint8_t)0x07)  /* COMP1 Alternate Function mapping     */
+#define GPIO_AF7_COMP2        ((uint8_t)0x07)  /* COMP2 Alternate Function mapping     */
+#define GPIO_AF7_I2C3         ((uint8_t)0x07)  /* I2C3 Alternate Function mapping      */
+#define GPIO_AF7_LPUART1      ((uint8_t)0x07)  /* LPUART1 Alternate Function mapping   */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+ * @brief  IS_GPIO_AF macro definition
+ */
+#define IS_GPIO_AF(__AF__) (((__AF__) == GPIO_AF0_EVENTOUT) || ((__AF__) == GPIO_AF1_LCD)      || \
+                            ((__AF__) == GPIO_AF0_SPI1)     || ((__AF__) == GPIO_AF1_I2C1)     || \
+                            ((__AF__) == GPIO_AF0_TIM21)    || ((__AF__) == GPIO_AF1_SPI2)     || \
+                            ((__AF__) == GPIO_AF0_MCO)      || ((__AF__) == GPIO_AF1_TIM21)    || \
+                            ((__AF__) == GPIO_AF0_SWDIO)    || ((__AF__) == GPIO_AF2_TIM2)     || \
+                            ((__AF__) == GPIO_AF0_SWCLK)    || ((__AF__) == GPIO_AF2_TIM3)     || \
+                            ((__AF__) == GPIO_AF0_USART1)   || ((__AF__) == GPIO_AF2_USB)      || \
+                            ((__AF__) == GPIO_AF0_SPI2)     || ((__AF__) == GPIO_AF2_EVENTOUT) || \
+                            ((__AF__) == GPIO_AF0_LPTIM1)   || ((__AF__) == GPIO_AF2_LPTIM1)   || \
+                            ((__AF__) == GPIO_AF0_TIM2)     || ((__AF__) == GPIO_AF2_LPUART1)  || \
+                            ((__AF__) == GPIO_AF0_LPUART1)  || ((__AF__) == GPIO_AF2_MCO)      || \
+                            ((__AF__) == GPIO_AF0_USART2)   || ((__AF__) == GPIO_AF2_RTC)      || \
+                            ((__AF__) == GPIO_AF0_USB)      || ((__AF__) == GPIO_AF2_SPI2)     || \
+                            ((__AF__) == GPIO_AF0_TIM2)     || ((__AF__) == GPIO_AF2_USART5)   || \
+                            ((__AF__) == GPIO_AF3_TSC)      || ((__AF__) == GPIO_AF2_SPI1)     || \
+                            ((__AF__) == GPIO_AF3_EVENTOUT) || ((__AF__) == GPIO_AF4_USART2)   || \
+                            ((__AF__) == GPIO_AF3_I2C1)     || ((__AF__) == GPIO_AF4_LPUART1)  || \
+                            ((__AF__) == GPIO_AF5_TIM21)    || ((__AF__) == GPIO_AF4_EVENTOUT) || \
+                            ((__AF__) == GPIO_AF5_TIM2)     || ((__AF__) == GPIO_AF4_USART1)   || \
+                            ((__AF__) == GPIO_AF5_USART1)   || ((__AF__) == GPIO_AF4_TIM22)    || \
+                            ((__AF__) == GPIO_AF5_TIM22)    || ((__AF__) == GPIO_AF4_TIM3)     || \
+                            ((__AF__) == GPIO_AF5_SPI2)     || ((__AF__) == GPIO_AF4_I2C1)     || \
+                            ((__AF__) == GPIO_AF5_I2C2)     || ((__AF__) == GPIO_AF6_USART4)   || \
+                            ((__AF__) == GPIO_AF7_COMP2)    || ((__AF__) == GPIO_AF6_LPUART1)  || \
+                            ((__AF__) == GPIO_AF7_COMP1)    || ((__AF__) == GPIO_AF6_I2C1)     || \
+                            ((__AF__) == GPIO_AF7_I2C3)     || ((__AF__) == GPIO_AF6_EVENTOUT) || \
+                            ((__AF__) == GPIO_AF7_LPUART1)  || ((__AF__) == GPIO_AF6_I2C2)     || \
+                            ((__AF__) == GPIO_AF6_USART5)   || ((__AF__) == GPIO_AF6_TIM21))
+
+
+#define IS_GPIO_AF_AVAILABLE(__INSTANCE__,__AF__)  \
+        ((((__INSTANCE__) == GPIOA) && (((__AF__) ==  GPIO_AF0_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF1_LCD)       ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM2)      ||   \
+                                        ((__AF__) ==  GPIO_AF3_TSC)       ||   \
+                                        ((__AF__) ==  GPIO_AF4_USART2)    ||   \
+                                        ((__AF__) ==  GPIO_AF5_TIM22)     ||   \
+                                        ((__AF__) ==  GPIO_AF6_USART4)    ||   \
+                                        ((__AF__) ==  GPIO_AF7_I2C3)))    ||   \
+         (((__INSTANCE__) == GPIOB) && (((__AF__) ==  GPIO_AF0_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF1_LCD)       ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM2)      ||   \
+                                        ((__AF__) ==  GPIO_AF3_TSC)       ||   \
+                                        ((__AF__) ==  GPIO_AF4_TIM3)      ||   \
+                                        ((__AF__) ==  GPIO_AF5_I2C2)      ||   \
+                                        ((__AF__) ==  GPIO_AF6_USART4)    ||   \
+                                        ((__AF__) ==  GPIO_AF7_LPUART1))) ||   \
+         (((__INSTANCE__) == GPIOC) && (((__AF__) ==  GPIO_AF0_LPTIM1)    ||   \
+                                        ((__AF__) ==  GPIO_AF1_LCD)       ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM3)      ||   \
+                                        ((__AF__) ==  GPIO_AF3_TSC)       ||   \
+                                        ((__AF__) ==  GPIO_AF6_USART4)    ||   \
+                                        ((__AF__) ==  GPIO_AF7_I2C3)))    ||   \
+         (((__INSTANCE__) == GPIOD) && (((__AF__) ==  GPIO_AF0_LPUART1)   ||   \
+                                        ((__AF__) ==  GPIO_AF1_LCD)       ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM3)      ||   \
+                                        ((__AF__) ==  GPIO_AF6_USART5)))  ||   \
+         (((__INSTANCE__) == GPIOE) && (((__AF__) ==  GPIO_AF0_TIM22)     ||   \
+                                        ((__AF__) ==  GPIO_AF1_LCD)       ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM3)      ||   \
+                                        ((__AF__) ==  GPIO_AF6_USART4)))  ||   \
+         (((__INSTANCE__) == GPIOH) && (((__AF__) ==  GPIO_AF0_USB))))
+
+#endif /* (STM32L083xx) || (STM32L073xx) */
+
+/*----------------------------------------------------------------------------*/
+/*------------------------- STM32L082xx and STM32L072xx-----------------------*/
+/*----------------------------------------------------------------------------*/
+#if defined (STM32L082xx) || defined (STM32L072xx)
+
+/* The table below gives an overview of the different alternate functions per port.
+ * For more details refer yourself to the product data sheet.
+ */
+
+
+/*     |   AF0  |   AF1  |   AF2  |   AF3  |   AF4  |   AF5  |   AF6  |   AF7  |
+ *______________________________________________________________________________
+ * PA0 |        |        |TIM2_C1 |TSC     |USART2  |TIM2_TR |USART4  |COMP1   |
+ * PA1 |EVENTOUT|        |TIM2_C2 |TSC     |USART2  |TIM21_TR|USART4  |        |
+ * PA2 |TIM21_C1|        |TIM2_C3 |TSC     |USART2  |        |LPUART1 |COMP2   |
+ * PA3 |TIM21_C2|        |TIM2_C4 |TSC     |USART2  |        |LPUART1 |        |
+ * PA4 |SPI1    |        |        |TSC     |USART2  |TIM22_TR|        |        |
+ * PA5 |SPI1    |        |TIM2_TR |TSC     |        |TIM2_C1 |        |        |
+ * PA6 |SPI1    |        |TIM3_C1 |TSC     |LPUART1 |TIM22_C1|EVENTOUT|COMP1   |
+ * PA7 |SPI1    |        |TIM3_C2 |TSC     |        |TIM22_C2|EVENTOUT|COMP2   |
+ * PA8 |MCO     |        |USB     |EVENTOUT|USART1  |        |        |I2C3    |
+ * PA9 |MCO     |        |        |TSC     |USART1  |        |I2C1    |I2C3    |
+ * PA10|        |        |        |TSC     |USART1  |        |I2C1    |        |
+ * PA11|SPI1    |        |EVENTOUT|TSC     |USART1  |        |I2C2    |COMP1   |
+ * PA12|SPI1    |        |EVENTOUT|TSC     |USART1  |        |I2C2    |COMP2   |
+ * PA13|SWDIO   |        |USB     |        |        |        |LPUART1 |        |
+ * PA14|SWCLK   |        |        |        |USART2  |        |LPUART1 |        |
+ * PA15|SPI1    |        |TIM2_TR |EVENTOUT|USART2  |TIM2_C1 |USART4  |        |
+ *______________________________________________________________________________
+ * PB0 |EVENTOUT|        |TIM3_C3 |TSC     |        |        |        |        |
+ * PB1 |        |        |TIM3_C4 |TSC     |LPUART1 |        |        |        |
+ * PB2 |        |        |LPTIM1_O|TSC     |        |        |        |I2C3    |
+ * PB3 |SPI1    |        |TIM2_C2 |TSC     |EVENTOUT|USART1  |USART5  |        |
+ * PB4 |SPI1    |        |TIM3_C1 |TSC     |TIM22_C1|USART1  |USART5  |I2C3    |
+ * PB5 |SPI1    |        |LPTIM1_I|I2C1    |TIM3_C2 |USART1  |USART5  |        |
+ *     |        |        |        |        |TIM22_C2|        |        |        |
+ * PB6 |USART1  |I2C1    |LPTIM1_T|TSC     |        |        |        |        |
+ * PB7 |USART1  |I2C1    |LPTIM1_I|TSC     |        |        |USART4  |        |
+ * PB8 |        |        |        |TSC     |I2C1    |        |        |        |
+ * PB9 |        |        |EVENTOUT|        |I2C1    |SPI2    |        |        |
+ * PB10|        |        |TIM2_C3 |TSC     |LPUART1 |SPI2    |I2C2    |LPUART1 |
+ * PB11|EVENTOUT|        |TIM2_C4 |TSC     |LPUART1 |        |I2C2    |LPUART1 |
+ * PB12|SPI2    |        |LPUART1 |TSC     |        |I2C2    |EVENTOUT|        |
+ * PB13|SPI2    |        |MCO     |TSC     |LPUART1 |I2C2    |TIM21_C1|        |
+ * PB14|SPI2    |        |RTC     |TSC     |LPUART1 |I2C2    |TIM21_C2|        |
+ * PB15|SPI2    |        |RTC     |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PC0 |LPTIM1_I|        |EVENTOUT|TSC     |        |        |LPUART1 |I2C3    |
+ * PC1 |LPTIM1_O|        |EVENTOUT|TSC     |        |        |LPUART1 |I2C3    |
+ * PC2 |LPTIM1_I|        |SPI2    |TSC     |        |        |        |        |
+ * PC3 |LPTIM1_T|        |SPI2    |TSC     |        |        |        |        |
+ * PC4 |EVENTOUT|        |LPUART1 |        |        |        |        |        |
+ * PC5 |        |        |LPUART1 |TSC     |        |        |        |        |
+ * PC6 |TIM22_C1|        |TIM3_C1 |TSC     |        |        |        |        |
+ * PC7 |TIM22_C2|        |TIM3_C2 |TSC     |        |        |        |        |
+ * PC8 |TIM22_TR|        |TIM3_C3 |TSC     |        |        |        |        |
+ * PC9 |TIM21_TR|        |USB     |TSC     |        |        |        |I2C3    |
+ *     |        |        |TIM3_C4 |        |        |        |        |        |
+ * PC10|LPUART1 |        |        |        |        |        |USART4  |        |
+ * PC11|LPUART1 |        |        |        |        |        |USART4  |        |
+ * PC12|        |        |USART5  |        |        |        |USART4  |        |
+ * PC13|        |        |        |        |        |        |        |        |
+ * PC14|        |        |        |        |        |        |        |        |
+ * PC15|        |        |        |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PD0 |TIM21_C1|SPI2    |        |        |        |        |        |        |
+ * PD1 |        |SPI2    |        |        |        |        |        |        |
+ * PD2 |LPUART1 |        |TIM3_TR |        |        |        |USART5  |        |
+ * PD3 |USART2  |        |SPI2    |        |        |        |        |        |
+ * PD4 |USART2  |SPI2    |        |        |        |        |        |        |
+ * PD5 |USART2  |        |        |        |        |        |        |        |
+ * PD6 |USART2  |        |        |        |        |        |        |        |
+ * PD7 |USART2  |TIM21_C2|        |        |        |        |        |        |
+ * PD8 |LPUART1 |        |        |        |        |        |        |        |
+ * PD9 |LPUART1 |        |        |        |        |        |        |        |
+ * PD10|        |        |        |        |        |        |        |        |
+ * PD11|LPUART1 |        |        |        |        |        |        |        |
+ * PD12|LPUART1 |        |        |        |        |        |        |        |
+ * PD13|        |        |        |        |        |        |        |        |
+ * PD14|        |        |        |        |        |        |        |        |
+ * PD15|USB     |        |        |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PE0 |        |        |EVENTOUT|        |        |        |        |        |
+ * PE1 |        |        |EVENTOUT|        |        |        |        |        |
+ * PE2 |        |        |TIM3_TR |        |        |        |        |        |
+ * PE3 |TIM22_C1|        |TIM3_C1 |        |        |        |        |        |
+ * PE4 |TIM22_C2|        |TIM3_C2 |        |        |        |        |        |
+ * PE5 |TIM21_C1|        |TIM3_C3 |        |        |        |        |        |
+ * PE6 |TIM21_C2|        |TIM3_C4 |        |        |        |        |        |
+ * PE7 |        |        |        |        |        |        |USART5  |        |
+ * PE8 |        |        |        |        |        |        |USART4  |        |
+ * PE9 |TIM2_C1 |        |TIM2_TR |        |        |        |USART4  |        |
+ * PE10|TIM2_C2 |        |        |        |        |        |USART5  |        |
+ * PE11|TIM2_C3 |        |        |        |        |        |USART5  |        |
+ * PE12|TIM2_C4 |        |SPI1    |        |        |        |        |        |
+ * PE13|        |        |SPI1    |        |        |        |        |        |
+ * PE14|        |        |SPI1    |        |        |        |        |        |
+ * PE15|        |        |SPI1    |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PH0 |USB     |        |        |        |        |        |        |        |
+ * PH1 |        |        |        |        |        |        |        |        |
+ * PH9 |        |        |        |        |        |        |        |        |
+ * PH10|        |        |        |        |        |        |        |        |
+ *
+ */
+
+/** @defgroup GPIOEx_Alternate_function_selection Alternate function selection
+ * @{
+ */
+
+/** @defgroup GPIOEx_Alternate_function_AF1  Alternate function AF1
+ * @{
+ */
+#define GPIO_AF0_EVENTOUT      ((uint8_t)0x00)  /* EVENTOUT Alternate Function mapping */
+#define GPIO_AF0_TIM21         ((uint8_t)0x00)  /* TIM21 Alternate Function mapping    */
+#define GPIO_AF0_SPI1          ((uint8_t)0x00)  /* SPI1 Alternate Function mapping     */
+#define GPIO_AF0_MCO           ((uint8_t)0x00)  /* MCO Alternate Function mapping      */
+#define GPIO_AF0_SWDIO         ((uint8_t)0x00)  /* SWDIO Alternate Function mapping    */
+#define GPIO_AF0_SWCLK         ((uint8_t)0x00)  /* SWCLK Alternate Function mapping    */
+#define GPIO_AF0_USART1        ((uint8_t)0x00)  /* USART1 Alternate Function mapping   */
+#define GPIO_AF0_SPI2          ((uint8_t)0x00)  /* SPI2 Alternate Function mapping     */
+#define GPIO_AF0_LPTIM1        ((uint8_t)0x00)  /* LPTIM1 Alternate Function mapping   */
+#define GPIO_AF0_TIM22         ((uint8_t)0x00)  /* TIM22 Alternate Function mapping    */
+#define GPIO_AF0_LPUART1       ((uint8_t)0x00)  /* LPUART1 Alternate Function mapping  */
+#define GPIO_AF0_USART2        ((uint8_t)0x00)  /* USART2 Alternate Function mapping   */
+#define GPIO_AF0_TIM2          ((uint8_t)0x00)  /* TIM2 Alternate Function mapping     */
+#define GPIO_AF0_USB           ((uint8_t)0x00)  /* USB Alternate Function mapping      */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF0  Alternate function AF0
+ * @{
+ */
+#define GPIO_AF1_I2C1          ((uint8_t)0x01)  /* I2C1 Alternate Function mapping  */
+#define GPIO_AF1_SPI2          ((uint8_t)0x01)  /* SPI2 Alternate Function mapping  */
+#define GPIO_AF1_TIM21         ((uint8_t)0x01)  /* TIM21 Alternate Function mapping */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF2  Alternate function AF2
+ * @{
+ */
+#define GPIO_AF2_TIM2          ((uint8_t)0x02)  /* TIM2 Alternate Function mapping       */
+#define GPIO_AF2_TIM3          ((uint8_t)0x02)  /* TIM3 Alternate Function mapping       */
+#define GPIO_AF2_EVENTOUT      ((uint8_t)0x02)  /* EVENTOUT Alternate Function mapping   */
+#define GPIO_AF2_LPTIM1        ((uint8_t)0x02)  /* LPTIM1 Alternate Function mapping     */
+#define GPIO_AF2_LPUART1       ((uint8_t)0x02)  /* LPUART1 Alternate Function mapping    */
+#define GPIO_AF2_MCO           ((uint8_t)0x02)  /* MCO Alternate Function mapping        */
+#define GPIO_AF2_RTC           ((uint8_t)0x02)  /* RTC_OUT Alternate Function mapping    */
+#define GPIO_AF2_SPI2          ((uint8_t)0x02)  /* SPI2 Alternate Function mapping       */
+#define GPIO_AF2_USART5        ((uint8_t)0x02)  /* USART5 Alternate Function mapping     */
+#define GPIO_AF2_SPI1          ((uint8_t)0x02)  /* SPI1 Alternate Function mapping       */
+#define GPIO_AF2_USB           ((uint8_t)0x00)  /* USB Alternate Function mapping        */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF3  Alternate function AF3
+ * @{
+ */
+#define GPIO_AF3_EVENTOUT      ((uint8_t)0x03)  /* EVENTOUT Alternate Function mapping   */
+#define GPIO_AF3_I2C1          ((uint8_t)0x03)  /* I2C1 Alternate Function mapping       */
+#define GPIO_AF3_TSC           ((uint8_t)0x03)  /* TSC  Alternate Function mapping       */
+/**
+  * @}
   */
-  
-/*------------------------- STM32L053xx/STM32L063xx---------------------------*/ 
+
+/** @defgroup GPIOEx_Alternate_function_AF4  Alternate function AF4
+ * @{
+ */
+#define GPIO_AF4_USART2          ((uint8_t)0x04)  /* USART2 Alternate Function mapping   */
+#define GPIO_AF4_LPUART1         ((uint8_t)0x04)  /* LPUART1 Alternate Function mapping  */
+#define GPIO_AF4_USART1          ((uint8_t)0x04)  /* USART1 Alternate Function mapping   */
+#define GPIO_AF4_EVENTOUT        ((uint8_t)0x04)  /* EVENTOUT Alternate Function mapping */
+#define GPIO_AF4_TIM22           ((uint8_t)0x04)  /* TIM22 Alternate Function mapping    */
+#define GPIO_AF4_TIM3            ((uint8_t)0x04)  /* TIM3 Alternate Function mapping     */
+#define GPIO_AF4_I2C1            ((uint8_t)0x04)  /* I2C1 Alternate Function mapping     */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF5  Alternate function AF5
+ * @{
+ */
+#define GPIO_AF5_TIM2          ((uint8_t)0x05)  /* TIM2 Alternate Function mapping     */
+#define GPIO_AF5_TIM21         ((uint8_t)0x05)  /* TIM21 Alternate Function mapping    */
+#define GPIO_AF5_TIM22         ((uint8_t)0x05)  /* TIM22 Alternate Function mapping    */
+#define GPIO_AF5_USART1        ((uint8_t)0x05)  /* USART1 Alternate Function mapping   */
+#define GPIO_AF5_SPI2          ((uint8_t)0x05)  /* SPI2 Alternate Function mapping      */
+#define GPIO_AF5_I2C2          ((uint8_t)0x05)  /* I2C2 Alternate Function mapping      */
+/**
+  * @}
+  */
+
+   /** @defgroup GPIOEx_Alternate_function_AF6  Alternate function AF6
+ * @{
+ */
+#define GPIO_AF6_USART4        ((uint8_t)0x06)  /* USART4 Alternate Function mapping    */
+#define GPIO_AF6_LPUART1       ((uint8_t)0x06)  /* LPUART1 Alternate Function mapping   */
+#define GPIO_AF6_EVENTOUT      ((uint8_t)0x06)  /* EVENTOUT Alternate Function mapping  */
+#define GPIO_AF6_I2C1          ((uint8_t)0x06)  /* I2C1 Alternate Function mapping      */
+#define GPIO_AF6_I2C2          ((uint8_t)0x06)  /* I2C2 Alternate Function mapping      */
+#define GPIO_AF6_USART5        ((uint8_t)0x06)  /* USART5 Alternate Function mapping    */
+#define GPIO_AF6_TIM21         ((uint8_t)0x06)  /* TIM21 Alternate Function mapping     */
+/**
+  * @}
+  */
+
+   /** @defgroup GPIOEx_Alternate_function_AF7  Alternate function AF7
+ * @{
+ */
+#define GPIO_AF7_COMP1        ((uint8_t)0x07)  /* COMP1 Alternate Function mapping     */
+#define GPIO_AF7_COMP2        ((uint8_t)0x07)  /* COMP2 Alternate Function mapping     */
+#define GPIO_AF7_I2C3         ((uint8_t)0x07)  /* I2C3 Alternate Function mapping      */
+#define GPIO_AF7_LPUART1      ((uint8_t)0x07)  /* LPUART1 Alternate Function mapping   */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+ * IS_GPIO_AF macro definition
+ */
+#define IS_GPIO_AF(__AF__) (((__AF__) == GPIO_AF0_EVENTOUT)  || ((__AF__) == GPIO_AF6_TIM21)    || \
+                            ((__AF__) == GPIO_AF0_SPI1)      || ((__AF__) == GPIO_AF1_I2C1)     || \
+                            ((__AF__) == GPIO_AF0_TIM21)     || ((__AF__) == GPIO_AF1_SPI2)     || \
+                            ((__AF__) == GPIO_AF0_MCO)       || ((__AF__) == GPIO_AF1_TIM21)    || \
+                            ((__AF__) == GPIO_AF0_SWDIO)     || ((__AF__) == GPIO_AF2_TIM2)     || \
+                            ((__AF__) == GPIO_AF0_SWCLK)     || ((__AF__) == GPIO_AF2_TIM3)     || \
+                            ((__AF__) == GPIO_AF0_USART1)    || ((__AF__) == GPIO_AF2_USB)      || \
+                            ((__AF__) == GPIO_AF0_SPI2)      || ((__AF__) == GPIO_AF2_EVENTOUT) || \
+                            ((__AF__) == GPIO_AF0_LPTIM1)    || ((__AF__) == GPIO_AF2_LPTIM1)   || \
+                            ((__AF__) == GPIO_AF0_TIM2)      || ((__AF__) == GPIO_AF2_LPUART1)  || \
+                            ((__AF__) == GPIO_AF0_LPUART1)   || ((__AF__) == GPIO_AF2_MCO)      || \
+                            ((__AF__) == GPIO_AF0_USART2)    || ((__AF__) == GPIO_AF2_RTC)      || \
+                            ((__AF__) == GPIO_AF0_USB)       || ((__AF__) == GPIO_AF2_SPI2)     || \
+                            ((__AF__) == GPIO_AF0_TIM2)      || ((__AF__) == GPIO_AF2_USART5)   || \
+                            ((__AF__) == GPIO_AF3_TSC)       || ((__AF__) == GPIO_AF2_SPI1)     || \
+                            ((__AF__) == GPIO_AF3_EVENTOUT)  || ((__AF__) == GPIO_AF4_USART2)   || \
+                            ((__AF__) == GPIO_AF3_I2C1)      || ((__AF__) == GPIO_AF4_LPUART1)  || \
+                            ((__AF__) == GPIO_AF5_TIM21)     || ((__AF__) == GPIO_AF4_EVENTOUT) || \
+                            ((__AF__) == GPIO_AF5_TIM2)      || ((__AF__) == GPIO_AF4_USART1)   || \
+                            ((__AF__) == GPIO_AF5_USART1)    || ((__AF__) == GPIO_AF4_TIM22)    || \
+                            ((__AF__) == GPIO_AF5_TIM22)     || ((__AF__) == GPIO_AF4_TIM3)     || \
+                            ((__AF__) == GPIO_AF5_SPI2)      || ((__AF__) == GPIO_AF4_I2C1)     || \
+                            ((__AF__) == GPIO_AF5_I2C2)      || ((__AF__) == GPIO_AF6_USART4)   || \
+                            ((__AF__) == GPIO_AF7_COMP2)     || ((__AF__) == GPIO_AF6_LPUART1)  || \
+                            ((__AF__) == GPIO_AF7_COMP1)     || ((__AF__) == GPIO_AF6_I2C1)     || \
+                            ((__AF__) == GPIO_AF7_I2C3)      || ((__AF__) == GPIO_AF6_EVENTOUT) || \
+                            ((__AF__) == GPIO_AF7_LPUART1)   || ((__AF__) == GPIO_AF6_I2C2)     || \
+                            ((__AF__) == GPIO_AF6_USART5))
+
+#define IS_GPIO_AF_AVAILABLE(__INSTANCE__,__AF__)  \
+        ((((__INSTANCE__) == GPIOA) && (((__AF__) ==  GPIO_AF0_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM2)      ||   \
+                                        ((__AF__) ==  GPIO_AF3_TSC)       ||   \
+                                        ((__AF__) ==  GPIO_AF4_USART2)    ||   \
+                                        ((__AF__) ==  GPIO_AF5_TIM22)     ||   \
+                                        ((__AF__) ==  GPIO_AF6_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF7_COMP1)))   ||   \
+         (((__INSTANCE__) == GPIOB) && (((__AF__) ==  GPIO_AF0_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF1_I2C1)      ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM2)      ||   \
+                                        ((__AF__) ==  GPIO_AF3_TSC)       ||   \
+                                        ((__AF__) ==  GPIO_AF4_TIM22)     ||   \
+                                        ((__AF__) ==  GPIO_AF5_I2C2)      ||   \
+                                        ((__AF__) ==  GPIO_AF6_USART4)    ||   \
+                                        ((__AF__) ==  GPIO_AF7_LPUART1))) ||   \
+         (((__INSTANCE__) == GPIOC) && (((__AF__) ==  GPIO_AF0_TIM22)     ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM3)      ||   \
+                                        ((__AF__) ==  GPIO_AF3_TSC)       ||   \
+                                        ((__AF__) ==  GPIO_AF6_USART4)    ||   \
+                                        ((__AF__) ==  GPIO_AF7_I2C3)))    ||   \
+         (((__INSTANCE__) == GPIOD) && (((__AF__) ==  GPIO_AF0_TIM21)     ||   \
+                                        ((__AF__) ==  GPIO_AF1_TIM21)     ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM3)      ||   \
+                                        ((__AF__) ==  GPIO_AF6_USART5)))  ||   \
+         (((__INSTANCE__) == GPIOE) && (((__AF__) ==  GPIO_AF0_TIM22)     ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM3)      ||   \
+                                        ((__AF__) ==  GPIO_AF6_USART4)))  ||   \
+         (((__INSTANCE__) == GPIOH) && (((__AF__) ==  GPIO_AF0_USB))))
+
+
+#endif /* (STM32L082xx) || (STM32L072xx) */
+
+
+/*----------------------------------------------------------------------------*/
+/*------------------------- STM32L081xx and STM32L071xx-----------------------*/
+/*----------------------------------------------------------------------------*/
+#if defined (STM32L081xx) || defined (STM32L071xx)
+
+/* The table below gives an overview of the different alternate functions per port.
+ * For more details refer yourself to the product data sheet.
+ *
+ */
+
+
+/*     |   AF0  |   AF1  |   AF2  |   AF3  |   AF4  |   AF5  |   AF6  |   AF7  |
+ *______________________________________________________________________________
+ * PA0 |        |        |TIM2_C1 |        |USART2  |TIM2_TR |USART4  |COMP1   |
+ * PA1 |EVENTOUT|        |TIM2_C2 |        |USART2  |TIM21_TR|USART4  |        |
+ * PA2 |TIM21_C1|        |TIM2_C3 |        |USART2  |        |LPUART1 |COMP2   |
+ * PA3 |TIM21_C2|        |TIM2_C4 |        |USART2  |        |LPUART1 |        |
+ * PA4 |SPI1    |        |        |        |USART2  |TIM22_TR|        |        |
+ * PA5 |SPI1    |        |TIM2_TR |        |        |TIM2_C1 |        |        |
+ * PA6 |SPI1    |        |TIM3_C1 |        |LPUART1 |TIM22_C1|EVENTOUT|COMP1   |
+ * PA7 |SPI1    |        |TIM3_C2 |        |        |TIM22_C2|EVENTOUT|COMP2   |
+ * PA8 |MCO     |        |        |EVENTOUT|USART1  |        |        |I2C3    |
+ * PA9 |MCO     |        |        |        |USART1  |        |I2C1    |I2C3    |
+ * PA10|        |        |        |        |USART1  |        |I2C1    |        |
+ * PA11|SPI1    |        |EVENTOUT|        |USART1  |        |I2C2    |COMP1   |
+ * PA12|SPI1    |        |EVENTOUT|        |USART1  |        |I2C2    |COMP2   |
+ * PA13|SWDIO   |        |        |        |        |        |LPUART1 |        |
+ * PA14|SWCLK   |        |        |        |USART2  |        |LPUART1 |        |
+ * PA15|SPI1    |        |TIM2_TR |EVENTOUT|USART2  |TIM2_C1 |USART4  |        |
+ *______________________________________________________________________________
+ * PB0 |EVENTOUT|        |TIM3_C3 |        |        |        |        |        |
+ * PB1 |        |        |TIM3_C4 |        |LPUART1 |        |        |        |
+ * PB2 |        |        |LPTIM1_O|        |        |        |        |I2C3    |
+ * PB3 |SPI1    |        |TIM2_C2 |        |EVENTOUT|USART1  |USART5  |        |
+ * PB4 |SPI1    |        |TIM3_C1 |        |TIM22_C1|USART1  |USART5  |I2C3    |
+ * PB5 |SPI1    |        |LPTIM1_I|I2C1    |TIM3_C2 |USART1  |USART5  |        |
+ *     |        |        |        |        |TIM22_C2|        |        |        |
+ * PB6 |USART1  |I2C1    |LPTIM1_T|        |        |        |        |        |
+ * PB7 |USART1  |I2C1    |LPTIM1_I|        |        |        |USART4  |        |
+ * PB8 |        |        |        |        |I2C1    |        |        |        |
+ * PB9 |        |        |EVENTOUT|        |I2C1    |SPI2    |        |        |
+ * PB10|        |        |TIM2_C3 |        |LPUART1 |SPI2    |I2C2    |LPUART1 |
+ * PB11|EVENTOUT|        |TIM2_C4 |        |LPUART1 |        |I2C2    |LPUART1 |
+ * PB12|SPI2    |        |LPUART1 |        |        |I2C2    |EVENTOUT|        |
+ * PB13|SPI2    |        |MCO     |        |LPUART1 |I2C2    |TIM21_C1|        |
+ * PB14|SPI2    |        |RTC     |        |LPUART1 |I2C2    |TIM21_C2|        |
+ * PB15|SPI2    |        |RTC     |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PC0 |LPTIM1_I|        |EVENTOUT|        |        |        |LPUART1 |I2C3    |
+ * PC1 |LPTIM1_O|        |EVENTOUT|        |        |        |LPUART1 |I2C3    |
+ * PC2 |LPTIM1_I|        |SPI2    |        |        |        |        |        |
+ * PC3 |LPTIM1_T|        |SPI2    |        |        |        |        |        |
+ * PC4 |EVENTOUT|        |LPUART1 |        |        |        |        |        |
+ * PC5 |        |        |LPUART1 |        |        |        |        |        |
+ * PC6 |TIM22_C1|        |TIM3_C1 |        |        |        |        |        |
+ * PC7 |TIM22_C2|        |TIM3_C2 |        |        |        |        |        |
+ * PC8 |TIM22_TR|        |TIM3_C3 |        |        |        |        |        |
+ * PC9 |TIM21_TR|        |        |        |        |        |        |I2C3    |
+ *     |        |        |TIM3_C4 |        |        |        |        |        |
+ * PC10|LPUART1 |        |        |        |        |        |USART4  |        |
+ * PC11|LPUART1 |        |        |        |        |        |USART4  |        |
+ * PC12|        |        |USART5  |        |        |        |USART4  |        |
+ * PC13|        |        |        |        |        |        |        |        |
+ * PC14|        |        |        |        |        |        |        |        |
+ * PC15|        |        |        |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PD0 |TIM21_C1|SPI2    |        |        |        |        |        |        |
+ * PD1 |        |SPI2    |        |        |        |        |        |        |
+ * PD2 |LPUART1 |        |TIM3_TR |        |        |        |USART5  |        |
+ * PD3 |USART2  |        |SPI2    |        |        |        |        |        |
+ * PD4 |USART2  |SPI2    |        |        |        |        |        |        |
+ * PD5 |USART2  |        |        |        |        |        |        |        |
+ * PD6 |USART2  |        |        |        |        |        |        |        |
+ * PD7 |USART2  |TIM21_C2|        |        |        |        |        |        |
+ * PD8 |LPUART1 |        |        |        |        |        |        |        |
+ * PD9 |LPUART1 |        |        |        |        |        |        |        |
+ * PD10|        |        |        |        |        |        |        |        |
+ * PD11|LPUART1 |        |        |        |        |        |        |        |
+ * PD12|LPUART1 |        |        |        |        |        |        |        |
+ * PD13|        |        |        |        |        |        |        |        |
+ * PD14|        |        |        |        |        |        |        |        |
+ * PD15|        |        |        |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PE0 |        |        |EVENTOUT|        |        |        |        |        |
+ * PE1 |        |        |EVENTOUT|        |        |        |        |        |
+ * PE2 |        |        |TIM3_TR |        |        |        |        |        |
+ * PE3 |TIM22_C1|        |TIM3_C1 |        |        |        |        |        |
+ * PE4 |TIM22_C2|        |TIM3_C2 |        |        |        |        |        |
+ * PE5 |TIM21_C1|        |TIM3_C3 |        |        |        |        |        |
+ * PE6 |TIM21_C2|        |TIM3_C4 |        |        |        |        |        |
+ * PE7 |        |        |        |        |        |        |USART5  |        |
+ * PE8 |        |        |        |        |        |        |USART4  |        |
+ * PE9 |TIM2_C1 |        |TIM2_TR |        |        |        |USART4  |        |
+ * PE10|TIM2_C2 |        |        |        |        |        |USART5  |        |
+ * PE11|TIM2_C3 |        |        |        |        |        |USART5  |        |
+ * PE12|TIM2_C4 |        |SPI1    |        |        |        |        |        |
+ * PE13|        |        |SPI1    |        |        |        |        |        |
+ * PE14|        |        |SPI1    |        |        |        |        |        |
+ * PE15|        |        |SPI1    |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PH0 |        |        |        |        |        |        |        |        |
+ * PH1 |        |        |        |        |        |        |        |        |
+ * PH9 |        |        |        |        |        |        |        |        |
+ * PH10|        |        |        |        |        |        |        |        |
+ *
+ */
+
+/** @defgroup GPIOEx_Alternate_function_selection Alternate function selection
+ * @{
+ */
+
+/** @defgroup GPIOEx_Alternate_function_AF0  Alternate function AF0
+ * @{
+ */
+#define GPIO_AF0_EVENTOUT      ((uint8_t)0x00)  /* EVENTOUT Alternate Function mapping */
+#define GPIO_AF0_TIM21         ((uint8_t)0x00)  /* TIM21 Alternate Function mapping    */
+#define GPIO_AF0_SPI1          ((uint8_t)0x00)  /* SPI1 Alternate Function mapping     */
+#define GPIO_AF0_MCO           ((uint8_t)0x00)  /* MCO Alternate Function mapping      */
+#define GPIO_AF0_SWDIO         ((uint8_t)0x00)  /* SWDIO Alternate Function mapping    */
+#define GPIO_AF0_SWCLK         ((uint8_t)0x00)  /* SWCLK Alternate Function mapping    */
+#define GPIO_AF0_USART1        ((uint8_t)0x00)  /* USART1 Alternate Function mapping   */
+#define GPIO_AF0_SPI2          ((uint8_t)0x00)  /* SPI2 Alternate Function mapping     */
+#define GPIO_AF0_LPTIM1        ((uint8_t)0x00)  /* LPTIM1 Alternate Function mapping   */
+#define GPIO_AF0_TIM22         ((uint8_t)0x00)  /* TIM22 Alternate Function mapping    */
+#define GPIO_AF0_LPUART1       ((uint8_t)0x00)  /* LPUART1 Alternate Function mapping  */
+#define GPIO_AF0_USART2        ((uint8_t)0x00)  /* USART2 Alternate Function mapping   */
+#define GPIO_AF0_TIM2          ((uint8_t)0x00)  /* TIM2 Alternate Function mapping     */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF1  Alternate function AF1
+ * @{
+ */
+#define GPIO_AF1_I2C1          ((uint8_t)0x01)  /* I2C1 Alternate Function mapping  */
+#define GPIO_AF1_SPI2          ((uint8_t)0x01)  /* SPI2 Alternate Function mapping  */
+#define GPIO_AF1_TIM21         ((uint8_t)0x01)  /* TIM21 Alternate Function mapping */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF2  Alternate function AF2
+ * @{
+ */
+#define GPIO_AF2_TIM2          ((uint8_t)0x02)  /* TIM2 Alternate Function mapping       */
+#define GPIO_AF2_TIM3          ((uint8_t)0x02)  /* TIM3 Alternate Function mapping       */
+#define GPIO_AF2_EVENTOUT      ((uint8_t)0x02)  /* EVENTOUT Alternate Function mapping   */
+#define GPIO_AF2_LPTIM1        ((uint8_t)0x02)  /* LPTIM1 Alternate Function mapping   */
+#define GPIO_AF2_LPUART1       ((uint8_t)0x02)  /* LPUART1 Alternate Function mapping    */
+#define GPIO_AF2_MCO           ((uint8_t)0x02)  /* MCO Alternate Function mapping      */
+#define GPIO_AF2_RTC           ((uint8_t)0x02)  /* RTC_OUT Alternate Function mapping    */
+#define GPIO_AF2_SPI2          ((uint8_t)0x02)  /* SPI2 Alternate Function mapping       */
+#define GPIO_AF2_USART5        ((uint8_t)0x02)  /* USART5 Alternate Function mapping   */
+#define GPIO_AF2_SPI1          ((uint8_t)0x02)  /* SPI1 Alternate Function mapping       */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF3  Alternate function AF3
+ * @{
+ */
+#define GPIO_AF3_EVENTOUT      ((uint8_t)0x03)  /* EVENTOUT Alternate Function mapping */
+#define GPIO_AF3_I2C1          ((uint8_t)0x03)  /* I2C1 Alternate Function mapping */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF4  Alternate function AF4
+ * @{
+ */
+#define GPIO_AF4_USART2          ((uint8_t)0x04)  /* USART2 Alternate Function mapping   */
+#define GPIO_AF4_LPUART1         ((uint8_t)0x04)  /* LPUART1 Alternate Function mapping  */
+#define GPIO_AF4_USART1          ((uint8_t)0x04)  /* USART1 Alternate Function mapping   */
+#define GPIO_AF4_EVENTOUT        ((uint8_t)0x04)  /* EVENTOUT Alternate Function mapping */
+#define GPIO_AF4_TIM22           ((uint8_t)0x04)  /* TIM22 Alternate Function mapping    */
+#define GPIO_AF4_TIM3            ((uint8_t)0x04)  /* TIM3 Alternate Function mapping    */
+#define GPIO_AF4_I2C1            ((uint8_t)0x04)  /* I2C1 Alternate Function mapping    */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF5  Alternate function AF5
+ * @{
+ */
+#define GPIO_AF5_TIM2          ((uint8_t)0x05)  /* TIM2 Alternate Function mapping     */
+#define GPIO_AF5_TIM21         ((uint8_t)0x05)  /* TIM21 Alternate Function mapping    */
+#define GPIO_AF5_TIM22         ((uint8_t)0x05)  /* TIM22 Alternate Function mapping    */
+#define GPIO_AF5_USART1        ((uint8_t)0x05)  /* USART1 Alternate Function mapping   */
+#define GPIO_AF5_SPI2          ((uint8_t)0x05)  /* SPI2 Alternate Function mapping       */
+#define GPIO_AF5_I2C2          ((uint8_t)0x05)  /* I2C2 Alternate Function mapping       */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF6  Alternate function AF6
+ * @{
+ */
+#define GPIO_AF6_USART4        ((uint8_t)0x06)  /* USART4 Alternate Function mapping   */
+#define GPIO_AF6_LPUART1       ((uint8_t)0x06)  /* LPUART1 Alternate Function mapping  */
+#define GPIO_AF6_EVENTOUT      ((uint8_t)0x06)  /* EVENTOUT Alternate Function mapping  */
+#define GPIO_AF6_I2C1          ((uint8_t)0x06)  /* I2C1 Alternate Function mapping  */
+#define GPIO_AF6_I2C2          ((uint8_t)0x06)  /* I2C2 Alternate Function mapping  */
+#define GPIO_AF6_USART5        ((uint8_t)0x06)  /* USART5 Alternate Function mapping   */
+#define GPIO_AF6_TIM21         ((uint8_t)0x06)  /* TIM21 Alternate Function mapping    */
+/**
+  * @}
+  */
+
+   /** @defgroup GPIOEx_Alternate_function_AF7  Alternate function AF7
+ * @{
+ */
+#define GPIO_AF7_COMP1        ((uint8_t)0x07)  /* COMP1 Alternate Function mapping     */
+#define GPIO_AF7_COMP2        ((uint8_t)0x07)  /* COMP2 Alternate Function mapping     */
+#define GPIO_AF7_I2C3         ((uint8_t)0x07)  /* I2C3 Alternate Function mapping     */
+#define GPIO_AF7_LPUART1      ((uint8_t)0x07)  /* LPUART1 Alternate Function mapping     */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+   /**
+ * IS_GPIO_AF macro definition
+ */
+#define IS_GPIO_AF(__AF__) (((__AF__) == GPIO_AF0_EVENTOUT) || ((__AF__) == GPIO_AF7_LPUART1)  || \
+                            ((__AF__) == GPIO_AF0_SPI1)     || ((__AF__) == GPIO_AF1_I2C1)     || \
+                            ((__AF__) == GPIO_AF0_TIM21)    || ((__AF__) == GPIO_AF1_SPI2)     || \
+                            ((__AF__) == GPIO_AF0_MCO)      || ((__AF__) == GPIO_AF1_TIM21)    || \
+                            ((__AF__) == GPIO_AF0_SWDIO)    || ((__AF__) == GPIO_AF2_TIM2)     || \
+                            ((__AF__) == GPIO_AF0_SWCLK)    || ((__AF__) == GPIO_AF2_TIM3)     || \
+                            ((__AF__) == GPIO_AF0_USART1)   || ((__AF__) == GPIO_AF6_TIM21)    || \
+                            ((__AF__) == GPIO_AF0_SPI2)     || ((__AF__) == GPIO_AF2_EVENTOUT) || \
+                            ((__AF__) == GPIO_AF0_LPTIM1)   || ((__AF__) == GPIO_AF2_LPTIM1)   || \
+                            ((__AF__) == GPIO_AF0_TIM2)     || ((__AF__) == GPIO_AF2_LPUART1)  || \
+                            ((__AF__) == GPIO_AF0_LPUART1)  || ((__AF__) == GPIO_AF2_MCO)      || \
+                            ((__AF__) == GPIO_AF0_USART2)   || ((__AF__) == GPIO_AF2_RTC)      || \
+                            ((__AF__) == GPIO_AF2_SPI2)     || ((__AF__) == GPIO_AF6_USART5)   || \
+                            ((__AF__) == GPIO_AF0_TIM2)     || ((__AF__) == GPIO_AF2_USART5)   || \
+                            ((__AF__) == GPIO_AF2_SPI1)     || ((__AF__) == GPIO_AF6_I2C2)     || \
+                            ((__AF__) == GPIO_AF3_EVENTOUT) || ((__AF__) == GPIO_AF4_USART2)   || \
+                            ((__AF__) == GPIO_AF3_I2C1)     || ((__AF__) == GPIO_AF4_LPUART1)  || \
+                            ((__AF__) == GPIO_AF5_TIM21)    || ((__AF__) == GPIO_AF4_EVENTOUT) || \
+                            ((__AF__) == GPIO_AF5_TIM2)     || ((__AF__) == GPIO_AF4_USART1)   || \
+                            ((__AF__) == GPIO_AF5_USART1)   || ((__AF__) == GPIO_AF4_TIM22)    || \
+                            ((__AF__) == GPIO_AF5_TIM22)    || ((__AF__) == GPIO_AF4_TIM3)     || \
+                            ((__AF__) == GPIO_AF5_SPI2)     || ((__AF__) == GPIO_AF4_I2C1)     || \
+                            ((__AF__) == GPIO_AF5_I2C2)     || ((__AF__) == GPIO_AF6_USART4)   || \
+                            ((__AF__) == GPIO_AF7_COMP2)    || ((__AF__) == GPIO_AF6_LPUART1)  || \
+                            ((__AF__) == GPIO_AF7_COMP1)    || ((__AF__) == GPIO_AF6_I2C1)     || \
+                            ((__AF__) == GPIO_AF7_I2C3)     || ((__AF__) == GPIO_AF6_EVENTOUT))
+
+
+#define IS_GPIO_AF_AVAILABLE(__INSTANCE__,__AF__)  \
+        ((((__INSTANCE__) == GPIOA) && (((__AF__) ==  GPIO_AF0_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM2)      ||   \
+                                        ((__AF__) ==  GPIO_AF3_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF4_USART2)    ||   \
+                                        ((__AF__) ==  GPIO_AF5_TIM22)     ||   \
+                                        ((__AF__) ==  GPIO_AF6_USART4)    ||   \
+                                        ((__AF__) ==  GPIO_AF7_COMP1)))   ||   \
+         (((__INSTANCE__) == GPIOB) && (((__AF__) ==  GPIO_AF0_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF1_I2C1)      ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM2)      ||   \
+                                        ((__AF__) ==  GPIO_AF3_I2C1)      ||   \
+                                        ((__AF__) ==  GPIO_AF4_I2C1)      ||   \
+                                        ((__AF__) ==  GPIO_AF5_I2C2)      ||   \
+                                        ((__AF__) ==  GPIO_AF6_USART4)    ||   \
+                                        ((__AF__) ==  GPIO_AF7_LPUART1))) ||   \
+         (((__INSTANCE__) == GPIOC) && (((__AF__) ==  GPIO_AF0_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM3)      ||   \
+                                        ((__AF__) ==  GPIO_AF6_LPUART1)   ||   \
+                                        ((__AF__) ==  GPIO_AF7_I2C3)))    ||   \
+         (((__INSTANCE__) == GPIOD) && (((__AF__) ==  GPIO_AF0_LPUART1)   ||   \
+                                        ((__AF__) ==  GPIO_AF1_SPI2)      ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM3)      ||   \
+                                        ((__AF__) ==  GPIO_AF6_USART5)))  ||   \
+         (((__INSTANCE__) == GPIOE) && (((__AF__) ==  GPIO_AF0_TIM22)     ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM3)      ||   \
+                                        ((__AF__) ==  GPIO_AF6_USART4))))
+
+
+#endif /* (STM32L081xx) || (STM32L071xx) */
+
+/*----------------------------------------------------------------------------*/
+/*------------------------- STM32L053xx/STM32L063xx---------------------------*/
+/*----------------------------------------------------------------------------*/
 #if defined (STM32L053xx) || defined (STM32L063xx)
-/** 
-  * @brief   AF 0 selection  
-  */ 
+
+/* The table below gives an overview of the different alternate functions per port.
+ * For more details refer yourself to the product data sheet.
+ *
+ */
+/*     |   AF0  |   AF1  |   AF2  |   AF3  |   AF4  |   AF5  |   AF6  |   AF7  |
+ *______________________________________________________________________________
+ * PA0 |        |        |TIM2_C1 |TSC     |USART2  |TIM2_TR |        |COMP1   |
+ * PA1 |EVENTOUT|LCD     |TIM2_C2 |TSC     |USART2  |TIM21_TR|        |        |
+ * PA2 |TIM21_C1|LCD     |TIM2_C3 |TSC     |USART2  |        |        |COMP2   |
+ * PA3 |TIM21_C2|LCD     |TIM2_C4 |TSC     |USART2  |        |        |        |
+ * PA4 |SPI1    |        |        |TSC     |USART2  |TIM22_TR|        |        |
+ * PA5 |SPI1    |        |TIM2_TR |TSC     |        |TIM2_C1 |        |        |
+ * PA6 |SPI1    |LCD     |        |TSC     |LPUART  |TIM22_C1|EVENTOUT|COMP1   |
+ * PA7 |SPI1    |LCD     |        |TSC     |        |TIM22_C2|EVENTOUT|COMP2   |
+ * PA8 |MCO     |LCD     |USB     |EVENTOUT|USART1  |        |        |        |
+ * PA9 |MCO     |LCD     |        |TSC     |USART1  |        |        |        |
+ * PA10|        |LCD     |        |TSC     |USART1  |        |        |        |
+ * PA11|SPI1    |        |EVENTOUT|TSC     |USART1  |        |        |COMP1   |
+ * PA12|SPI1    |        |EVENTOUT|TSC     |USART1  |        |        |COMP2   |
+ * PA13|SWDIO   |        |USB     |        |        |        |        |        |
+ * PA14|SWCLK   |        |        |        |USART2  |        |        |        |
+ * PA15|SPI1    |LCD     |TIM2_TR |EVENTOUT|USART2  |TIM2_C1 |        |        |
+ *______________________________________________________________________________
+ * PB0 |EVENTOUT|LCD     |        |TSC     |        |        |        |        |
+ * PB1 |        |LCD     |        |TSC     |LPUART1 |        |        |        |
+ * PB2 |        |        |LPTIM1_O|TSC     |        |        |        |        |
+ * PB3 |SPI1    |LCD     |TIM2_C2 |TSC     |EVENTOUT|        |        |        |
+ * PB4 |SPI1    |LCD     |EVENTOUT|TSC     |TIM22_C1|        |        |        |
+ * PB5 |SPI1    |LCD     |LPTIM1_I|I2C1    |TIM22_C2|        |        |        |
+ * PB6 |USART1  |I2C1    |LPTIM1_T|TSC     |        |        |        |        |
+ * PB7 |USART1  |I2C1    |LPTIM1_I|TSC     |        |        |        |        |
+ * PB8 |        |LCD     |        |TSC     |I2C1    |        |        |        |
+ * PB9 |        |LCD     |EVENTOUT|        |I2C1    |SPI2    |        |        |
+ * PB10|        |LCD     |TIM2_C3 |TSC     |LPUART1 |SPI2    |I2C2    |        |
+ * PB11|EVENTOUT|LCD     |TIM2_C4 |TSC     |LPUART1 |        |I2C2    |        |
+ * PB12|SPI2    |LCD     |LPUART1 |TSC     |        |I2C2    |EVENTOUT|        |
+ * PB13|SPI2    |LCD     |        |TSC     |LPUART1 |I2C2    |TIM21_C1|        |
+ * PB14|SPI2    |LCD     |RTC     |TSC     |LPUART1 |I2C2    |TIM21_C2|        |
+ * PB15|SPI2    |LCD     |RTC     |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PC0 |LPTIM1_I|LCD     |EVENTOUT|TSC     |        |        |        |        |
+ * PC1 |LPTIM1_O|LCD     |EVENTOUT|TSC     |        |        |        |        |
+ * PC2 |LPTIM1_I|LCD     |SPI2    |TSC     |        |        |        |        |
+ * PC3 |LPTIM1_T|LCD     |SPI2    |TSC     |        |        |        |        |
+ * PC4 |EVENTOUT|LCD     |LPUART  |        |        |        |        |        |
+ * PC5 |        |LCD     |LPUART  |TSC     |        |        |        |        |
+ * PC6 |TIM22_C1|LCD     |        |TSC     |        |        |        |        |
+ * PC7 |TIM22_C2|LCD     |        |TSC     |        |        |        |        |
+ * PC8 |TIM22_TR|LCD     |        |TSC     |        |        |        |        |
+ * PC9 |TIM21_TR|LCD     |USB     |TSC     |        |        |        |        |
+ * PC10|LPUART  |LCD     |        |        |        |        |        |        |
+ * PC11|LPUART  |LCD     |        |        |        |        |        |        |
+ * PC12|        |LCD     |        |        |        |        |        |        |
+ * PC13|        |        |        |        |        |        |        |        |
+ * PC14|        |        |        |        |        |        |        |        |
+ * PC15|        |        |        |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PD2 |LPUART  |LCD     |        |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PH0 |USB     |        |        |        |        |        |        |        |
+ * PH1 |        |        |        |        |        |        |        |        |
+ *  *
+ */
+
+/** @defgroup GPIOEx_Alternate_function_selection Alternate function selection
+ * @{
+ */
+
+/** @defgroup GPIOEx_Alternate_function_AF0  Alternate function AF0
+ * @{
+ */
 #define GPIO_AF0_SPI1          ((uint8_t)0x00)  /* SPI1 Alternate Function mapping     */
 #define GPIO_AF0_SPI2          ((uint8_t)0x00)  /* SPI2 Alternate Function mapping     */
 #define GPIO_AF0_USART1        ((uint8_t)0x00)  /* USART1 Alternate Function mapping   */
 #define GPIO_AF0_USART2        ((uint8_t)0x00)  /* USART2 Alternate Function mapping   */
 #define GPIO_AF0_LPUART1       ((uint8_t)0x00)  /* LPUART1 Alternate Function mapping  */
 #define GPIO_AF0_USB           ((uint8_t)0x00)  /* USB Alternate Function mapping      */
-#define GPIO_AF0_LPTIM         ((uint8_t)0x00)  /* LPTIM Alternate Function mapping    */
+#define GPIO_AF0_LPTIM1        ((uint8_t)0x00)  /* LPTIM1 Alternate Function mapping   */
 #define GPIO_AF0_TSC           ((uint8_t)0x00)  /* TSC Alternate Function mapping      */
 #define GPIO_AF0_TIM2          ((uint8_t)0x00)  /* TIM2 Alternate Function mapping     */
 #define GPIO_AF0_TIM21         ((uint8_t)0x00)  /* TIM21 Alternate Function mapping    */
@@ -86,329 +1026,869 @@
 #define GPIO_AF0_MCO           ((uint8_t)0x00)  /* MCO Alternate Function mapping      */
 #define GPIO_AF0_SWDIO         ((uint8_t)0x00)  /* SWDIO Alternate Function mapping    */
 #define GPIO_AF0_SWCLK         ((uint8_t)0x00)  /* SWCLK Alternate Function mapping    */
+/**
+  * @}
+  */
 
-/** 
-  * @brief   AF 1 selection  
-  */ 
+   /** @defgroup GPIOEx_Alternate_function_AF1  Alternate function AF1
+ * @{
+ */
 #define GPIO_AF1_SPI1          ((uint8_t)0x01)  /* SPI1 Alternate Function mapping  */
 #define GPIO_AF1_SPI2          ((uint8_t)0x01)  /* SPI2 Alternate Function mapping  */
 #define GPIO_AF1_I2C1          ((uint8_t)0x01)  /* I2C1 Alternate Function mapping  */
 #define GPIO_AF1_LCD           ((uint8_t)0x01)  /* LCD Alternate Function mapping   */
-#define GPIO_AF1_TIM2          ((uint8_t)0x01)  /* TIM2 Alternate Function mapping  */
-#define GPIO_AF1_TIM21         ((uint8_t)0x01)  /* TIM21 Alternate Function mapping */
-/** 
-  * @brief   AF 2 selection  
-  */ 
+/**
+  * @}
+  */
+
+   /** @defgroup GPIOEx_Alternate_function_AF2  Alternate function AF2
+ * @{
+ */
 #define GPIO_AF2_SPI2          ((uint8_t)0x02)  /* SPI2 Alternate Function mapping       */
 #define GPIO_AF2_LPUART1       ((uint8_t)0x02)  /* LPUART1 Alternate Function mapping    */
 #define GPIO_AF2_USB           ((uint8_t)0x02)  /* USB Alternate Function mapping        */
-#define GPIO_AF2_LPTIM         ((uint8_t)0x02)  /* LPTIM Alternate Function mapping      */
+#define GPIO_AF2_LPTIM1        ((uint8_t)0x02)  /* LPTIM1 Alternate Function mapping     */
 #define GPIO_AF2_TIM2          ((uint8_t)0x02)  /* TIM2 Alternate Function mapping       */
-#define GPIO_AF2_TIM22         ((uint8_t)0x02)  /* TIM22 Alternate Function mapping      */
 #define GPIO_AF2_EVENTOUT      ((uint8_t)0x02)  /* EVENTOUT Alternate Function mapping   */
-#define GPIO_AF2_RTC_50Hz      ((uint8_t)0x02)  /* RTC_OUT Alternate Function mapping    */
+#define GPIO_AF2_RTC           ((uint8_t)0x02)  /* RTC_OUT Alternate Function mapping    */
+/**
+  * @}
+  */
 
-/** 
-  * @brief   AF 3 selection  
-  */ 
+   /** @defgroup GPIOEx_Alternate_function_AF3  Alternate function AF3
+ * @{
+ */
 #define GPIO_AF3_I2C1          ((uint8_t)0x03)  /* I2C1 Alternate Function mapping     */
 #define GPIO_AF3_TSC           ((uint8_t)0x03)  /* TSC  Alternate Function mapping     */
 #define GPIO_AF3_EVENTOUT      ((uint8_t)0x03)  /* EVENTOUT Alternate Function mapping */
+/**
+  * @}
+  */
 
-/** 
-  * @brief   AF 4 selection  
-  */ 
+   /** @defgroup GPIOEx_Alternate_function_AF4  Alternate function AF4
+ * @{
+ */
 #define GPIO_AF4_I2C1            ((uint8_t)0x04)  /* I2C1 Alternate Function mapping     */
 #define GPIO_AF4_USART1          ((uint8_t)0x04)  /* USART1 Alternate Function mapping   */
 #define GPIO_AF4_USART2          ((uint8_t)0x04)  /* USART2 Alternate Function mapping   */
 #define GPIO_AF4_LPUART1         ((uint8_t)0x04)  /* LPUART1 Alternate Function mapping  */
 #define GPIO_AF4_TIM22           ((uint8_t)0x04)  /* TIM22 Alternate Function mapping    */
 #define GPIO_AF4_EVENTOUT        ((uint8_t)0x04)  /* EVENTOUT Alternate Function mapping */
+/**
+  * @}
+  */
 
-/** 
-  * @brief   AF 5 selection  
-  */ 
+   /** @defgroup GPIOEx_Alternate_function_AF5  Alternate function AF5
+ * @{
+ */
 #define GPIO_AF5_SPI2          ((uint8_t)0x05)  /* SPI2 Alternate Function mapping     */
 #define GPIO_AF5_I2C2          ((uint8_t)0x05)  /* I2C2 Alternate Function mapping     */
 #define GPIO_AF5_TIM2          ((uint8_t)0x05)  /* TIM2 Alternate Function mapping     */
 #define GPIO_AF5_TIM21         ((uint8_t)0x05)  /* TIM21 Alternate Function mapping    */
 #define GPIO_AF5_TIM22         ((uint8_t)0x05)  /* TIM22 Alternate Function mapping    */
+/**
+  * @}
+  */
 
-/** 
-  * @brief   AF 6 selection  
-  */ 
+   /** @defgroup GPIOEx_Alternate_function_AF6  Alternate function AF6
+ * @{
+ */
 #define GPIO_AF6_I2C2          ((uint8_t)0x06)  /* I2C2 Alternate Function mapping      */
 #define GPIO_AF6_TIM21         ((uint8_t)0x06)  /* TIM21 Alternate Function mapping     */
 #define GPIO_AF6_EVENTOUT      ((uint8_t)0x06)  /* EVENTOUT Alternate Function mapping  */
+/**
+  * @}
+  */
 
-/** 
-  * @brief   AF 7 selection  
-  */ 
+   /** @defgroup GPIOEx_Alternate_function_AF7  Alternate function AF7
+ * @{
+ */
 #define GPIO_AF7_COMP1        ((uint8_t)0x07)  /* COMP1 Alternate Function mapping     */
 #define GPIO_AF7_COMP2        ((uint8_t)0x07)  /* COMP2 Alternate Function mapping     */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
 
 
-#define IS_GPIO_AF(AF)   (((AF) == GPIO_AF0_SPI1)         ||     ((AF) == GPIO_AF2_SPI2)        || \
-                          ((AF) == GPIO_AF0_SPI2)         ||     ((AF) == GPIO_AF2_LPUART1)     || \
-                          ((AF) == GPIO_AF0_USART1)       ||     ((AF) == GPIO_AF2_USB)         || \
-                          ((AF) == GPIO_AF0_USART2)       ||     ((AF) == GPIO_AF2_LPTIM)       || \
-                          ((AF) == GPIO_AF0_LPUART1)      ||     ((AF) == GPIO_AF2_TIM2)        || \
-                          ((AF) == GPIO_AF0_USB)          ||     ((AF) == GPIO_AF2_TIM22)       || \
-                          ((AF) == GPIO_AF0_LPTIM)        ||     ((AF) == GPIO_AF2_EVENTOUT)    || \
-                          ((AF) == GPIO_AF0_TSC)          ||     ((AF) == GPIO_AF2_RTC_50Hz)    || \
-                          ((AF) == GPIO_AF0_TIM2)         ||     ((AF) == GPIO_AF3_I2C1)        || \
-                          ((AF) == GPIO_AF0_TIM21)        ||     ((AF) == GPIO_AF3_TSC)         || \
-                          ((AF) == GPIO_AF0_TIM22)        ||     ((AF) == GPIO_AF3_EVENTOUT)    || \
-                          ((AF) == GPIO_AF0_EVENTOUT)     ||     ((AF) == GPIO_AF4_I2C1)        || \
-                          ((AF) == GPIO_AF0_MCO)          ||     ((AF) == GPIO_AF4_USART1)      || \
-                          ((AF) == GPIO_AF0_SWDIO)        ||     ((AF) == GPIO_AF0_SWCLK)       || \
-                          ((AF) == GPIO_AF1_SPI1)         ||     ((AF) == GPIO_AF4_USART2)      || \
-                          ((AF) == GPIO_AF1_SPI2)         ||     ((AF) == GPIO_AF4_LPUART1)     || \
-                          ((AF) == GPIO_AF1_TIM2)         ||     ((AF) == GPIO_AF4_TIM22)       || \
-                          ((AF) == GPIO_AF1_I2C1)         ||     ((AF) == GPIO_AF4_EVENTOUT)    || \
-                          ((AF) == GPIO_AF1_LCD)          ||     ((AF) == GPIO_AF5_SPI2)        || \
-                          ((AF) == GPIO_AF5_I2C2)         ||     ((AF) == GPIO_AF5_TIM2)        || \
-                          ((AF) == GPIO_AF5_TIM21)        ||     ((AF) == GPIO_AF5_TIM22)       || \
-                          ((AF) == GPIO_AF6_I2C2)         ||     ((AF) == GPIO_AF6_TIM21)       || \
-                          ((AF) == GPIO_AF6_EVENTOUT)     ||     ((AF) == GPIO_AF7_COMP1)       || \
-                          ((AF) == GPIO_AF7_COMP2)        ||     ((AF) == GPIO_AF1_TIM21))
+#define IS_GPIO_AF(__AF__) (((__AF__) == GPIO_AF0_SPI1)     || ((__AF__) == GPIO_AF2_SPI2)     || \
+                            ((__AF__) == GPIO_AF0_SPI2)     || ((__AF__) == GPIO_AF2_LPUART1)  || \
+                            ((__AF__) == GPIO_AF0_USART1)   || ((__AF__) == GPIO_AF2_USB)      || \
+                            ((__AF__) == GPIO_AF0_USART2)   || ((__AF__) == GPIO_AF2_LPTIM1)   || \
+                            ((__AF__) == GPIO_AF0_LPUART1)  || ((__AF__) == GPIO_AF2_TIM2)     || \
+                            ((__AF__) == GPIO_AF0_USB)      || ((__AF__) == GPIO_AF3_TSC)      || \
+                            ((__AF__) == GPIO_AF0_LPTIM1)   || ((__AF__) == GPIO_AF2_EVENTOUT) || \
+                            ((__AF__) == GPIO_AF0_TSC)      || ((__AF__) == GPIO_AF2_RTC) || \
+                            ((__AF__) == GPIO_AF3_I2C1)     || ((__AF__) == GPIO_AF7_COMP2)    || \
+                            ((__AF__) == GPIO_AF0_TIM22)    || ((__AF__) == GPIO_AF3_EVENTOUT) || \
+                            ((__AF__) == GPIO_AF0_EVENTOUT) || ((__AF__) == GPIO_AF4_I2C1)     || \
+                            ((__AF__) == GPIO_AF0_MCO)      || ((__AF__) == GPIO_AF4_USART1)   || \
+                            ((__AF__) == GPIO_AF0_SWDIO)    || ((__AF__) == GPIO_AF0_SWCLK)    || \
+                            ((__AF__) == GPIO_AF1_SPI1)     || ((__AF__) == GPIO_AF4_USART2)   || \
+                            ((__AF__) == GPIO_AF1_SPI2)     || ((__AF__) == GPIO_AF4_LPUART1)  || \
+                            ((__AF__) == GPIO_AF7_COMP2)    || ((__AF__) == GPIO_AF4_TIM22)    || \
+                            ((__AF__) == GPIO_AF1_I2C1)     || ((__AF__) == GPIO_AF4_EVENTOUT) || \
+                            ((__AF__) == GPIO_AF1_LCD)      || ((__AF__) == GPIO_AF5_SPI2)     || \
+                            ((__AF__) == GPIO_AF5_I2C2)     || ((__AF__) == GPIO_AF5_TIM2)     || \
+                            ((__AF__) == GPIO_AF5_TIM21)    || ((__AF__) == GPIO_AF5_TIM22)    || \
+                            ((__AF__) == GPIO_AF6_I2C2)     || ((__AF__) == GPIO_AF6_TIM21)    || \
+                            ((__AF__) == GPIO_AF6_EVENTOUT) || ((__AF__) == GPIO_AF7_COMP1))
+
+
+
+#define IS_GPIO_AF_AVAILABLE(__INSTANCE__,__AF__)  \
+        ((((__INSTANCE__) == GPIOA) && (((__AF__) ==  GPIO_AF0_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF1_LCD)       ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM2)      ||   \
+                                        ((__AF__) ==  GPIO_AF3_TSC)       ||   \
+                                        ((__AF__) ==  GPIO_AF4_USART2)    ||   \
+                                        ((__AF__) ==  GPIO_AF5_TIM22)     ||   \
+                                        ((__AF__) ==  GPIO_AF6_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF7_COMP1)))   ||   \
+         (((__INSTANCE__) == GPIOB) && (((__AF__) ==  GPIO_AF0_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF1_LCD)       ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM2)      ||   \
+                                        ((__AF__) ==  GPIO_AF3_TSC)       ||   \
+                                        ((__AF__) ==  GPIO_AF4_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF5_I2C2)      ||   \
+                                        ((__AF__) ==  GPIO_AF6_TIM21)))   ||   \
+         (((__INSTANCE__) == GPIOC) && (((__AF__) ==  GPIO_AF0_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF1_LCD)       ||   \
+                                        ((__AF__) ==  GPIO_AF2_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF3_TSC)))     ||   \
+         (((__INSTANCE__) == GPIOD) && (((__AF__) ==  GPIO_AF0_LPUART1)   ||   \
+                                        ((__AF__) ==  GPIO_AF1_LCD)))     ||   \
+         (((__INSTANCE__) == GPIOH) && (((__AF__) ==  GPIO_AF0_USB))))
+
 
 #endif /* STM32L053xx || STM32L063xx */
 /*------------------------------------------------------------------------------------------*/
 
-/*------------------------- STM32L052xx/STM32L062xx---------------------------*/ 
+/*----------------------------------------------------------------------------*/
+/*------------------------- STM32L052xx/STM32L062xx---------------------------*/
+/*----------------------------------------------------------------------------*/
 #if defined (STM32L052xx) || defined (STM32L062xx)
-/** 
-  * @brief   AF 0 selection  
-  */ 
-#define GPIO_AF0_SPI1          ((uint8_t)0x00)  /* SPI1 Alternate Function mapping               */
-#define GPIO_AF0_SPI2          ((uint8_t)0x00)  /* SPI2 Alternate Function mapping               */
-#define GPIO_AF0_USART1        ((uint8_t)0x00)  /* USART1 Alternate Function mapping             */
-#define GPIO_AF0_USART2        ((uint8_t)0x00)  /* USART2 Alternate Function mapping             */
-#define GPIO_AF0_LPUART1       ((uint8_t)0x00)  /* LPUART1 Alternate Function mapping            */
-#define GPIO_AF0_USB           ((uint8_t)0x00)  /* USB Alternate Function mapping                */
-#define GPIO_AF0_LPTIM         ((uint8_t)0x00)  /* LPTIM Alternate Function mapping              */
-#define GPIO_AF0_TSC           ((uint8_t)0x00)  /* TSC Alternate Function mapping                */
-#define GPIO_AF0_TIM2          ((uint8_t)0x00)  /* TIM2 Alternate Function mapping               */
-#define GPIO_AF0_TIM21         ((uint8_t)0x00)  /* TIM21 Alternate Function mapping              */
-#define GPIO_AF0_TIM22         ((uint8_t)0x00)  /* TIM22 Alternate Function mapping              */
-#define GPIO_AF0_EVENTOUT      ((uint8_t)0x00)  /* EVENTOUT Alternate Function mapping           */
-#define GPIO_AF0_MCO           ((uint8_t)0x00)  /* MCO Alternate Function mapping                */
-#define GPIO_AF0_SWDIO         ((uint8_t)0x00)  /* SWDIO Alternate Function mapping              */
-#define GPIO_AF0_SWCLK         ((uint8_t)0x00)  /* SWCLK Alternate Function mapping              */
-
 
-/** 
-  * @brief   AF 1 selection  
-  */ 
-#define GPIO_AF1_SPI1          ((uint8_t)0x01)  /* SPI1 Alternate Function mapping */
-#define GPIO_AF1_SPI2          ((uint8_t)0x01)  /* SPI2 Alternate Function mapping */
-#define GPIO_AF1_I2C1          ((uint8_t)0x01)  /* I2C1 Alternate Function mapping */
-#define GPIO_AF1_TIM2          ((uint8_t)0x01)  /* TIM2 Alternate Function mapping */
-#define GPIO_AF1_TIM21         ((uint8_t)0x01)  /* TIM21 Alternate Function mapping */
-/** 
-  * @brief   AF 2 selection  
-  */ 
-#define GPIO_AF2_SPI2          ((uint8_t)0x02)  /* SPI2 Alternate Function mapping               */
-#define GPIO_AF2_LPUART1       ((uint8_t)0x02)  /* LPUART1 Alternate Function mapping            */
-#define GPIO_AF2_USB           ((uint8_t)0x02)  /* USB Alternate Function mapping                */
-#define GPIO_AF2_LPTIM         ((uint8_t)0x02)  /* LPTIM Alternate Function mapping              */
-#define GPIO_AF2_TIM2          ((uint8_t)0x02)  /* TIM2 Alternate Function mapping               */
-#define GPIO_AF2_TIM22         ((uint8_t)0x02)  /* TIM22 Alternate Function mapping              */
-#define GPIO_AF2_EVENTOUT      ((uint8_t)0x02)  /* EVENTOUT Alternate Function mapping           */
-#define GPIO_AF2_RTC_50Hz      ((uint8_t)0x02)  /* RTC_OUT Alternate Function mapping            */
+/* The table below gives an overview of the different alternate functions per port.
+ * For more details refer yourself to the product data sheet.
+ *
+ */
+/*     |   AF0  |   AF1  |   AF2  |   AF3  |   AF4  |   AF5  |   AF6  |   AF7  |
+ *______________________________________________________________________________
+ * PA0 |        |        |TIM2_C1 |TSC     |USART2  |TIM2_TR |        |COMP1   |
+ * PA1 |EVENTOUT|        |TIM2_C2 |TSC     |USART2  |TIM21_TR|        |        |
+ * PA2 |TIM21_C1|        |TIM2_C3 |TSC     |USART2  |        |        |COMP2   |
+ * PA3 |TIM21_C2|        |TIM2_C4 |TSC     |USART2  |        |        |        |
+ * PA4 |SPI1    |        |        |TSC     |USART2  |TIM22_TR|        |        |
+ * PA5 |SPI1    |        |TIM2_TR |TSC     |        |TIM2_C1 |        |        |
+ * PA6 |SPI1    |        |        |TSC     |LPUART  |TIM22_C1|EVENTOUT|COMP1   |
+ * PA7 |SPI1    |        |        |TSC     |        |TIM22_C2|EVENTOUT|COMP2   |
+ * PA8 |MCO     |        |USB     |EVENTOUT|USART1  |        |        |        |
+ * PA9 |MCO     |        |        |TSC     |USART1  |        |        |        |
+ * PA10|        |        |        |TSC     |USART1  |        |        |        |
+ * PA11|SPI1    |        |EVENTOUT|TSC     |USART1  |        |        |COMP1   |
+ * PA12|SPI1    |        |EVENTOUT|TSC     |USART1  |        |        |COMP2   |
+ * PA13|SWDIO   |        |USB     |        |        |        |        |        |
+ * PA14|SWCLK   |        |        |        |USART2  |        |        |        |
+ * PA15|SPI1    |        |TIM2_TR |EVENTOUT|USART2  |TIM2_C1 |        |        |
+ *______________________________________________________________________________
+ * PB0 |EVENTOUT|        |        |TSC     |        |        |        |        |
+ * PB1 |        |        |        |TSC     |LPUART1 |        |        |        |
+ * PB2 |        |        |LPTIM1_O|TSC     |        |        |        |        |
+ * PB3 |SPI1    |        |TIM2_C2 |TSC     |EVENTOUT|        |        |        |
+ * PB4 |SPI1    |        |EVENTOUT|TSC     |TIM22_C1|        |        |        |
+ * PB5 |SPI1    |        |LPTIM1_I|I2C1    |TIM22_C2|        |        |        |
+ * PB6 |USART1  |I2C1    |LPTIM1_T|TSC     |        |        |        |        |
+ * PB7 |USART1  |I2C1    |LPTIM1_I|TSC     |        |        |        |        |
+ * PB8 |        |        |        |TSC     |I2C1    |        |        |        |
+ * PB9 |        |        |EVENTOUT|        |I2C1    |SPI2    |        |        |
+ * PB10|        |        |TIM2_C3 |TSC     |LPUART1 |SPI2    |I2C2    |        |
+ * PB11|EVENTOUT|        |TIM2_C4 |TSC     |LPUART1 |        |I2C2    |        |
+ * PB12|SPI2    |        |LPUART1 |TSC     |        |I2C2    |EVENTOUT|        |
+ * PB13|SPI2    |        |        |TSC     |LPUART1 |I2C2    |TIM21_C1|        |
+ * PB14|SPI2    |        |RTC     |TSC     |LPUART1 |I2C2    |TIM21_C2|        |
+ * PB15|SPI2    |        |RTC     |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PC0 |LPTIM1_I|        |EVENTOUT|TSC     |        |        |        |        |
+ * PC1 |LPTIM1_O|        |EVENTOUT|TSC     |        |        |        |        |
+ * PC2 |LPTIM1_I|        |SPI2    |TSC     |        |        |        |        |
+ * PC3 |LPTIM1_T|        |SPI2    |TSC     |        |        |        |        |
+ * PC4 |EVENTOUT|        |LPUART  |        |        |        |        |        |
+ * PC5 |        |        |LPUART  |TSC     |        |        |        |        |
+ * PC6 |TIM22_C1|        |        |TSC     |        |        |        |        |
+ * PC7 |TIM22_C2|        |        |TSC     |        |        |        |        |
+ * PC8 |TIM22_TR|        |        |TSC     |        |        |        |        |
+ * PC9 |TIM21_TR|        |USB     |TSC     |        |        |        |        |
+ * PC10|LPUART  |        |        |        |        |        |        |        |
+ * PC11|LPUART  |        |        |        |        |        |        |        |
+ * PC12|        |        |        |        |        |        |        |        |
+ * PC13|        |        |        |        |        |        |        |        |
+ * PC14|        |        |        |        |        |        |        |        |
+ * PC15|        |        |        |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PD2 |LPUART  |        |        |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PH0 |USB     |        |        |        |        |        |        |        |
+ * PH1 |        |        |        |        |        |        |        |        |
+ *  *
+ */
 
-/** 
-  * @brief   AF 3 selection  
-  */ 
+/** @defgroup GPIOEx_Alternate_function_selection Alternate function selection
+ * @{
+ */
+
+/** @defgroup GPIOEx_Alternate_function_AF0  Alternate function AF0
+ * @{
+ */
+#define GPIO_AF0_SPI1          ((uint8_t)0x00)  /* SPI1 Alternate Function mapping     */
+#define GPIO_AF0_SPI2          ((uint8_t)0x00)  /* SPI2 Alternate Function mapping     */
+#define GPIO_AF0_USART1        ((uint8_t)0x00)  /* USART1 Alternate Function mapping   */
+#define GPIO_AF0_USART2        ((uint8_t)0x00)  /* USART2 Alternate Function mapping   */
+#define GPIO_AF0_LPUART1       ((uint8_t)0x00)  /* LPUART1 Alternate Function mapping  */
+#define GPIO_AF0_USB           ((uint8_t)0x00)  /* USB Alternate Function mapping      */
+#define GPIO_AF0_LPTIM1        ((uint8_t)0x00)  /* LPTIM1 Alternate Function mapping   */
+#define GPIO_AF0_TSC           ((uint8_t)0x00)  /* TSC Alternate Function mapping      */
+#define GPIO_AF0_TIM2          ((uint8_t)0x00)  /* TIM2 Alternate Function mapping     */
+#define GPIO_AF0_TIM21         ((uint8_t)0x00)  /* TIM21 Alternate Function mapping    */
+#define GPIO_AF0_TIM22         ((uint8_t)0x00)  /* TIM22 Alternate Function mapping    */
+#define GPIO_AF0_EVENTOUT      ((uint8_t)0x00)  /* EVENTOUT Alternate Function mapping */
+#define GPIO_AF0_MCO           ((uint8_t)0x00)  /* MCO Alternate Function mapping      */
+#define GPIO_AF0_SWDIO         ((uint8_t)0x00)  /* SWDIO Alternate Function mapping    */
+#define GPIO_AF0_SWCLK         ((uint8_t)0x00)  /* SWCLK Alternate Function mapping    */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF1  Alternate function AF1
+ * @{
+ */
+#define GPIO_AF1_SPI1          ((uint8_t)0x01)  /* SPI1 Alternate Function mapping  */
+#define GPIO_AF1_SPI2          ((uint8_t)0x01)  /* SPI2 Alternate Function mapping  */
+#define GPIO_AF1_I2C1          ((uint8_t)0x01)  /* I2C1 Alternate Function mapping  */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF2  Alternate function AF2
+ * @{
+ */
+#define GPIO_AF2_SPI2          ((uint8_t)0x02)  /* SPI2 Alternate Function mapping       */
+#define GPIO_AF2_LPUART1       ((uint8_t)0x02)  /* LPUART1 Alternate Function mapping    */
+#define GPIO_AF2_USB           ((uint8_t)0x02)  /* USB Alternate Function mapping        */
+#define GPIO_AF2_LPTIM1         ((uint8_t)0x02) /* LPTIM1 Alternate Function mapping     */
+#define GPIO_AF2_TIM2          ((uint8_t)0x02)  /* TIM2 Alternate Function mapping       */
+#define GPIO_AF2_EVENTOUT      ((uint8_t)0x02)  /* EVENTOUT Alternate Function mapping   */
+#define GPIO_AF2_RTC      ((uint8_t)0x02)  /* RTC_OUT Alternate Function mapping    */
+/**
+  * @}
+  */
+
+   /** @defgroup GPIOEx_Alternate_function_AF3  Alternate function AF3
+ * @{
+ */
 #define GPIO_AF3_I2C1          ((uint8_t)0x03)  /* I2C1 Alternate Function mapping     */
 #define GPIO_AF3_TSC           ((uint8_t)0x03)  /* TSC  Alternate Function mapping     */
 #define GPIO_AF3_EVENTOUT      ((uint8_t)0x03)  /* EVENTOUT Alternate Function mapping */
+/**
+  * @}
+  */
 
-/** 
-  * @brief   AF 4 selection  
-  */ 
+   /** @defgroup GPIOEx_Alternate_function_AF4  Alternate function AF4
+ * @{
+ */
 #define GPIO_AF4_I2C1            ((uint8_t)0x04)  /* I2C1 Alternate Function mapping     */
 #define GPIO_AF4_USART1          ((uint8_t)0x04)  /* USART1 Alternate Function mapping   */
 #define GPIO_AF4_USART2          ((uint8_t)0x04)  /* USART2 Alternate Function mapping   */
 #define GPIO_AF4_LPUART1         ((uint8_t)0x04)  /* LPUART1 Alternate Function mapping  */
 #define GPIO_AF4_TIM22           ((uint8_t)0x04)  /* TIM22 Alternate Function mapping    */
 #define GPIO_AF4_EVENTOUT        ((uint8_t)0x04)  /* EVENTOUT Alternate Function mapping */
+/**
+  * @}
+  */
 
-/** 
-  * @brief   AF 5 selection  
-  */ 
+   /** @defgroup GPIOEx_Alternate_function_AF5  Alternate function AF5
+ * @{
+ */
 #define GPIO_AF5_SPI2          ((uint8_t)0x05)  /* SPI2 Alternate Function mapping     */
 #define GPIO_AF5_I2C2          ((uint8_t)0x05)  /* I2C2 Alternate Function mapping     */
 #define GPIO_AF5_TIM2          ((uint8_t)0x05)  /* TIM2 Alternate Function mapping     */
 #define GPIO_AF5_TIM21         ((uint8_t)0x05)  /* TIM21 Alternate Function mapping    */
 #define GPIO_AF5_TIM22         ((uint8_t)0x05)  /* TIM22 Alternate Function mapping    */
+/**
+  * @}
+  */
 
-/** 
-  * @brief   AF 6 selection  
-  */ 
+   /** @defgroup GPIOEx_Alternate_function_AF6  Alternate function AF6
+ * @{
+ */
 #define GPIO_AF6_I2C2          ((uint8_t)0x06)  /* I2C2 Alternate Function mapping      */
 #define GPIO_AF6_TIM21         ((uint8_t)0x06)  /* TIM21 Alternate Function mapping     */
 #define GPIO_AF6_EVENTOUT      ((uint8_t)0x06)  /* EVENTOUT Alternate Function mapping  */
+/**
+  * @}
+  */
 
-/** 
-  * @brief   AF 7 selection  
-  */ 
+   /** @defgroup GPIOEx_Alternate_function_AF7  Alternate function AF7
+ * @{
+ */
 #define GPIO_AF7_COMP1        ((uint8_t)0x07)  /* COMP1 Alternate Function mapping     */
 #define GPIO_AF7_COMP2        ((uint8_t)0x07)  /* COMP2 Alternate Function mapping     */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
 
 
-#define IS_GPIO_AF(AF)   (((AF) == GPIO_AF0_SPI1)         ||     ((AF) == GPIO_AF2_SPI2)        || \
-                          ((AF) == GPIO_AF0_SPI2)         ||     ((AF) == GPIO_AF2_LPUART1)     || \
-                          ((AF) == GPIO_AF0_USART1)       ||     ((AF) == GPIO_AF2_USB)         || \
-                          ((AF) == GPIO_AF0_USART2)       ||     ((AF) == GPIO_AF2_LPTIM)       || \
-                          ((AF) == GPIO_AF0_LPUART1)      ||     ((AF) == GPIO_AF2_TIM2)        || \
-                          ((AF) == GPIO_AF0_USB)          ||     ((AF) == GPIO_AF2_TIM22)       || \
-                          ((AF) == GPIO_AF0_LPTIM)        ||     ((AF) == GPIO_AF2_EVENTOUT)    || \
-                          ((AF) == GPIO_AF0_TSC)          ||     ((AF) == GPIO_AF2_RTC_50Hz)    || \
-                          ((AF) == GPIO_AF0_TIM2)         ||     ((AF) == GPIO_AF3_I2C1)        || \
-                          ((AF) == GPIO_AF0_TIM21)        ||     ((AF) == GPIO_AF3_TSC)         || \
-                          ((AF) == GPIO_AF0_TIM22)        ||     ((AF) == GPIO_AF3_EVENTOUT)    || \
-                          ((AF) == GPIO_AF0_EVENTOUT)     ||     ((AF) == GPIO_AF4_I2C1)        || \
-                          ((AF) == GPIO_AF0_MCO)          ||     ((AF) == GPIO_AF4_USART1)      || \
-                          ((AF) == GPIO_AF0_SWDIO)        ||     ((AF) == GPIO_AF0_SWCLK)       || \
-                          ((AF) == GPIO_AF1_SPI1)         ||     ((AF) == GPIO_AF4_USART2)      || \
-                          ((AF) == GPIO_AF1_SPI2)         ||     ((AF) == GPIO_AF4_LPUART1)     || \
-                          ((AF) == GPIO_AF1_TIM2)         ||     ((AF) == GPIO_AF4_TIM22)       || \
-                          ((AF) == GPIO_AF1_I2C1)         ||     ((AF) == GPIO_AF4_EVENTOUT)    || \
-                          ((AF) == GPIO_AF6_EVENTOUT)     ||     ((AF) == GPIO_AF5_SPI2)        || \
-                          ((AF) == GPIO_AF5_I2C2)         ||     ((AF) == GPIO_AF5_TIM2)        || \
-                          ((AF) == GPIO_AF5_TIM21)        ||     ((AF) == GPIO_AF5_TIM22)       || \
-                          ((AF) == GPIO_AF6_I2C2)         ||     ((AF) == GPIO_AF6_TIM21)       || \
-                          ((AF) == GPIO_AF7_COMP2)        ||     ((AF) == GPIO_AF7_COMP1)       || \
-                          ((AF) == GPIO_AF1_TIM21))
+#define IS_GPIO_AF(__AF__) (((__AF__) == GPIO_AF0_SPI1)     || ((__AF__) == GPIO_AF2_SPI2)        || \
+                            ((__AF__) == GPIO_AF0_SPI2)     || ((__AF__) == GPIO_AF2_LPUART1)     || \
+                            ((__AF__) == GPIO_AF0_USART1)   || ((__AF__) == GPIO_AF2_USB)         || \
+                            ((__AF__) == GPIO_AF0_USART2)   || ((__AF__) == GPIO_AF2_LPTIM1)      || \
+                            ((__AF__) == GPIO_AF0_LPUART1)  || ((__AF__) == GPIO_AF2_TIM2)        || \
+                            ((__AF__) == GPIO_AF0_USB)      || ((__AF__) == GPIO_AF4_TIM22)       || \
+                            ((__AF__) == GPIO_AF0_LPTIM1)   || ((__AF__) == GPIO_AF2_EVENTOUT)    || \
+                            ((__AF__) == GPIO_AF0_TSC)      || ((__AF__) == GPIO_AF2_RTC)    || \
+                            ((__AF__) == GPIO_AF0_TIM2)     || ((__AF__) == GPIO_AF3_I2C1)        || \
+                            ((__AF__) == GPIO_AF0_TIM21)    || ((__AF__) == GPIO_AF3_TSC)         || \
+                            ((__AF__) == GPIO_AF0_TIM22)    || ((__AF__) == GPIO_AF3_EVENTOUT)    || \
+                            ((__AF__) == GPIO_AF0_EVENTOUT) || ((__AF__) == GPIO_AF4_I2C1)        || \
+                            ((__AF__) == GPIO_AF0_MCO)      || ((__AF__) == GPIO_AF4_USART1)      || \
+                            ((__AF__) == GPIO_AF0_SWDIO)    || ((__AF__) == GPIO_AF0_SWCLK)       || \
+                            ((__AF__) == GPIO_AF1_SPI1)     || ((__AF__) == GPIO_AF4_USART2)      || \
+                            ((__AF__) == GPIO_AF1_SPI2)     || ((__AF__) == GPIO_AF4_LPUART1)     || \
+                            ((__AF__) == GPIO_AF1_I2C1)     || ((__AF__) == GPIO_AF4_EVENTOUT)    || \
+                            ((__AF__) == GPIO_AF6_EVENTOUT) || ((__AF__) == GPIO_AF5_SPI2)        || \
+                            ((__AF__) == GPIO_AF5_I2C2)     || ((__AF__) == GPIO_AF5_TIM2)        || \
+                            ((__AF__) == GPIO_AF5_TIM21)    || ((__AF__) == GPIO_AF5_TIM22)       || \
+                            ((__AF__) == GPIO_AF6_I2C2)     || ((__AF__) == GPIO_AF6_TIM21)       || \
+                            ((__AF__) == GPIO_AF7_COMP2)    || ((__AF__) == GPIO_AF7_COMP1))
+
+
+#define IS_GPIO_AF_AVAILABLE(__INSTANCE__,__AF__)  \
+        ((((__INSTANCE__) == GPIOA) && (((__AF__) ==  GPIO_AF0_EVENTOUT)   ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM2)       ||   \
+                                        ((__AF__) ==  GPIO_AF3_TSC)        ||   \
+                                        ((__AF__) ==  GPIO_AF4_USART2)     ||   \
+                                        ((__AF__) ==  GPIO_AF5_TIM22)      ||   \
+                                        ((__AF__) ==  GPIO_AF6_EVENTOUT)   ||   \
+                                        ((__AF__) ==  GPIO_AF7_COMP1)))    ||   \
+         (((__INSTANCE__) == GPIOB) && (((__AF__) ==  GPIO_AF0_EVENTOUT)   ||   \
+                                        ((__AF__) ==  GPIO_AF1_I2C1)       ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM2)       ||   \
+                                        ((__AF__) ==  GPIO_AF3_TSC)        ||   \
+                                        ((__AF__) ==  GPIO_AF4_LPUART1)    ||   \
+                                        ((__AF__) ==  GPIO_AF5_I2C2)       ||   \
+                                        ((__AF__) ==  GPIO_AF6_EVENTOUT))) ||   \
+         (((__INSTANCE__) == GPIOC) && (((__AF__) ==  GPIO_AF0_EVENTOUT)   ||   \
+                                        ((__AF__) ==  GPIO_AF2_EVENTOUT)   ||   \
+                                        ((__AF__) ==  GPIO_AF3_TSC)))      ||   \
+         (((__INSTANCE__) == GPIOD) && (((__AF__) ==  GPIO_AF0_LPUART1)))  ||   \
+         (((__INSTANCE__) == GPIOH) && (((__AF__) ==  GPIO_AF0_USB))))
+
 
 #endif /* STM32L052xx || STM32L062xx */
 /*------------------------------------------------------------------------------------------*/
 
-/*------------------------- STM32L051xx/STM32L061xx---------------------------*/ 
+/*----------------------------------------------------------------------------*/
+/*------------------------- STM32L051xx/STM32L061xx---------------------------*/
+/*----------------------------------------------------------------------------*/
 #if defined (STM32L051xx)|| defined (STM32L061xx)
-/** 
-  * @brief   AF 0 selection  
-  */ 
-#define GPIO_AF0_SPI1          ((uint8_t)0x00)  /* SPI1 Alternate Function mapping               */
-#define GPIO_AF0_SPI2          ((uint8_t)0x00)  /* SPI2 Alternate Function mapping               */
-#define GPIO_AF0_USART1        ((uint8_t)0x00)  /* USART1 Alternate Function mapping             */
-#define GPIO_AF0_USART2        ((uint8_t)0x00)  /* USART2 Alternate Function mapping             */
-#define GPIO_AF0_LPUART1       ((uint8_t)0x00)  /* LPUART1 Alternate Function mapping            */
-#define GPIO_AF0_LPTIM         ((uint8_t)0x00)  /* LPTIM Alternate Function mapping              */
-#define GPIO_AF0_TSC           ((uint8_t)0x00)  /* TSC Alternate Function mapping                */
-#define GPIO_AF0_TIM2          ((uint8_t)0x00)  /* TIM2 Alternate Function mapping               */
-#define GPIO_AF0_TIM21         ((uint8_t)0x00)  /* TIM21 Alternate Function mapping              */
-#define GPIO_AF0_TIM22         ((uint8_t)0x00)  /* TIM22 Alternate Function mapping              */
-#define GPIO_AF0_EVENTOUT      ((uint8_t)0x00)  /* EVENTOUT Alternate Function mapping           */
-#define GPIO_AF0_MCO           ((uint8_t)0x00)  /* MCO Alternate Function mapping                */
-#define GPIO_AF0_SWDIO         ((uint8_t)0x00)  /* SWDIO Alternate Function mapping              */
-#define GPIO_AF0_SWCLK         ((uint8_t)0x00)  /* SWCLK Alternate Function mapping              */
-
+/* The table below gives an overview of the different alternate functions per port.
+ * For more details refer yourself to the product data sheet.
+ *
+ */
+/*     |   AF0  |   AF1  |   AF2  |   AF3  |   AF4  |   AF5  |   AF6  |   AF7  |
+ *______________________________________________________________________________
+ * PA0 |        |        |TIM2_C1 |        |USART2  |TIM2_TR |        |COMP1   |
+ * PA1 |EVENTOUT|        |TIM2_C2 |        |USART2  |TIM21_TR|        |        |
+ * PA2 |TIM21_C1|        |TIM2_C3 |        |USART2  |        |        |COMP2   |
+ * PA3 |TIM21_C2|        |TIM2_C4 |        |USART2  |        |        |        |
+ * PA4 |SPI1    |        |        |        |USART2  |TIM22_TR|        |        |
+ * PA5 |SPI1    |        |TIM2_TR |        |        |TIM2_C1 |        |        |
+ * PA6 |SPI1    |        |        |        |LPUART  |TIM22_C1|EVENTOUT|COMP1   |
+ * PA7 |SPI1    |        |        |        |        |TIM22_C2|EVENTOUT|COMP2   |
+ * PA8 |MCO     |        |        |EVENTOUT|USART1  |        |        |        |
+ * PA9 |MCO     |        |        |        |USART1  |        |        |        |
+ * PA10|        |        |        |        |USART1  |        |        |        |
+ * PA11|SPI1    |        |EVENTOUT|        |USART1  |        |        |COMP1   |
+ * PA12|SPI1    |        |EVENTOUT|        |USART1  |        |        |COMP2   |
+ * PA13|SWDIO   |        |        |        |        |        |        |        |
+ * PA14|SWCLK   |        |        |        |USART2  |        |        |        |
+ * PA15|SPI1    |        |TIM2_TR |EVENTOUT|USART2  |TIM2_C1 |        |        |
+ *______________________________________________________________________________
+ * PB0 |EVENTOUT|        |        |        |        |        |        |        |
+ * PB1 |        |        |        |        |LPUART1 |        |        |        |
+ * PB2 |        |        |LPTIM1_O|        |        |        |        |        |
+ * PB3 |SPI1    |        |TIM2_C2 |        |EVENTOUT|        |        |        |
+ * PB4 |SPI1    |        |EVENTOUT|        |TIM22_C1|        |        |        |
+ * PB5 |SPI1    |        |LPTIM1_I|I2C1    |TIM22_C2|        |        |        |
+ * PB6 |USART1  |I2C1    |LPTIM1_T|        |        |        |        |        |
+ * PB7 |USART1  |I2C1    |LPTIM1_I|        |        |        |        |        |
+ * PB8 |        |        |        |        |I2C1    |        |        |        |
+ * PB9 |        |        |EVENTOUT|        |I2C1    |SPI2    |        |        |
+ * PB10|        |        |TIM2_C3 |        |LPUART1 |SPI2    |I2C2    |        |
+ * PB11|EVENTOUT|        |TIM2_C4 |        |LPUART1 |        |I2C2    |        |
+ * PB12|SPI2    |        |LPUART1 |        |        |I2C2    |EVENTOUT|        |
+ * PB13|SPI2    |        |        |        |LPUART1 |I2C2    |TIM21_C1|        |
+ * PB14|SPI2    |        |RTC     |        |LPUART1 |I2C2    |TIM21_C2|        |
+ * PB15|SPI2    |        |RTC     |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PC0 |LPTIM1_I|        |EVENTOUT|        |        |        |        |        |
+ * PC1 |LPTIM1_O|        |EVENTOUT|        |        |        |        |        |
+ * PC2 |LPTIM1_I|        |SPI2    |        |        |        |        |        |
+ * PC3 |LPTIM1_T|        |SPI2    |        |        |        |        |        |
+ * PC4 |EVENTOUT|        |LPUART  |        |        |        |        |        |
+ * PC5 |        |        |LPUART  |        |        |        |        |        |
+ * PC6 |TIM22_C1|        |        |        |        |        |        |        |
+ * PC7 |TIM22_C2|        |        |        |        |        |        |        |
+ * PC8 |TIM22_TR|        |        |        |        |        |        |        |
+ * PC9 |TIM21_TR|        |        |        |        |        |        |        |
+ * PC10|LPUART  |        |        |        |        |        |        |        |
+ * PC11|LPUART  |        |        |        |        |        |        |        |
+ * PC12|        |        |        |        |        |        |        |        |
+ * PC13|        |        |        |        |        |        |        |        |
+ * PC14|        |        |        |        |        |        |        |        |
+ * PC15|        |        |        |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PD2 |LPUART  |        |        |        |        |        |        |        |
+ *______________________________________________________________________________
+ * PH0 |        |        |        |        |        |        |        |        |
+ * PH1 |        |        |        |        |        |        |        |        |
+ *  *
+ */
 
-/** 
-  * @brief   AF 1 selection  
-  */ 
-#define GPIO_AF1_SPI1          ((uint8_t)0x01)  /* SPI1 Alternate Function mapping */
-#define GPIO_AF1_SPI2          ((uint8_t)0x01)  /* SPI2 Alternate Function mapping */
-#define GPIO_AF1_I2C1          ((uint8_t)0x01)  /* I2C1 Alternate Function mapping */
-#define GPIO_AF1_TIM2          ((uint8_t)0x01)  /* TIM2 Alternate Function mapping */
-#define GPIO_AF1_TIM21         ((uint8_t)0x01)  /* TIM21 Alternate Function mapping */
-/** 
-  * @brief   AF 2 selection  
-  */ 
-#define GPIO_AF2_SPI2          ((uint8_t)0x02)  /* SPI2 Alternate Function mapping               */
-#define GPIO_AF2_LPUART1       ((uint8_t)0x02)  /* LPUART1 Alternate Function mapping            */
-#define GPIO_AF2_LPTIM         ((uint8_t)0x02)  /* LPTIM Alternate Function mapping              */
-#define GPIO_AF2_TIM2          ((uint8_t)0x02)  /* TIM2 Alternate Function mapping               */
-#define GPIO_AF2_TIM22         ((uint8_t)0x02)  /* TIM22 Alternate Function mapping              */
-#define GPIO_AF2_EVENTOUT      ((uint8_t)0x02)  /* EVENTOUT Alternate Function mapping           */
-#define GPIO_AF2_RTC_50Hz      ((uint8_t)0x02)  /* RTC_OUT Alternate Function mapping            */
+/** @defgroup GPIOEx_Alternate_function_selection Alternate function selection
+ * @{
+ */
+
+/** @defgroup GPIOEx_Alternate_function_AF0  Alternate function AF0
+ * @{
+ */
+#define GPIO_AF0_SPI1          ((uint8_t)0x00)  /* SPI1 Alternate Function mapping     */
+#define GPIO_AF0_SPI2          ((uint8_t)0x00)  /* SPI2 Alternate Function mapping     */
+#define GPIO_AF0_USART1        ((uint8_t)0x00)  /* USART1 Alternate Function mapping   */
+#define GPIO_AF0_USART2        ((uint8_t)0x00)  /* USART2 Alternate Function mapping   */
+#define GPIO_AF0_LPUART1       ((uint8_t)0x00)  /* LPUART1 Alternate Function mapping  */
+#define GPIO_AF0_LPTIM1         ((uint8_t)0x00) /* LPTIM1 Alternate Function mapping   */
+#define GPIO_AF0_TIM2          ((uint8_t)0x00)  /* TIM2 Alternate Function mapping     */
+#define GPIO_AF0_TIM21         ((uint8_t)0x00)  /* TIM21 Alternate Function mapping    */
+#define GPIO_AF0_TIM22         ((uint8_t)0x00)  /* TIM22 Alternate Function mapping    */
+#define GPIO_AF0_EVENTOUT      ((uint8_t)0x00)  /* EVENTOUT Alternate Function mapping */
+#define GPIO_AF0_MCO           ((uint8_t)0x00)  /* MCO Alternate Function mapping      */
+#define GPIO_AF0_SWDIO         ((uint8_t)0x00)  /* SWDIO Alternate Function mapping    */
+#define GPIO_AF0_SWCLK         ((uint8_t)0x00)  /* SWCLK Alternate Function mapping    */
+/**
+  * @}
+  */
 
-/** 
-  * @brief   AF 3 selection  
-  */ 
+/** @defgroup GPIOEx_Alternate_function_AF1  Alternate function AF1
+ * @{
+ */
+#define GPIO_AF1_SPI1          ((uint8_t)0x01)  /* SPI1 Alternate Function mapping  */
+#define GPIO_AF1_SPI2          ((uint8_t)0x01)  /* SPI2 Alternate Function mapping  */
+#define GPIO_AF1_I2C1          ((uint8_t)0x01)  /* I2C1 Alternate Function mapping  */
+/**
+  * @}
+  */
+
+ /** @defgroup GPIOEx_Alternate_function_AF2  Alternate function AF2
+ * @{
+ */
+#define GPIO_AF2_SPI2          ((uint8_t)0x02)  /* SPI2 Alternate Function mapping       */
+#define GPIO_AF2_LPUART1       ((uint8_t)0x02)  /* LPUART1 Alternate Function mapping    */
+#define GPIO_AF2_USB           ((uint8_t)0x02)  /* USB Alternate Function mapping        */
+#define GPIO_AF2_LPTIM1        ((uint8_t)0x02)  /* LPTIM1 Alternate Function mapping      */
+#define GPIO_AF2_TIM2          ((uint8_t)0x02)  /* TIM2 Alternate Function mapping       */
+#define GPIO_AF2_EVENTOUT      ((uint8_t)0x02)  /* EVENTOUT Alternate Function mapping   */
+#define GPIO_AF2_RTC      ((uint8_t)0x02)  /* RTC_OUT Alternate Function mapping    */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF3  Alternate function AF3
+ * @{
+ */
 #define GPIO_AF3_I2C1          ((uint8_t)0x03)  /* I2C1 Alternate Function mapping     */
-#define GPIO_AF3_TSC           ((uint8_t)0x03)  /* TSC  Alternate Function mapping     */
 #define GPIO_AF3_EVENTOUT      ((uint8_t)0x03)  /* EVENTOUT Alternate Function mapping */
-
+/**
+  * @}
+  */
 
-/** 
-  * @brief   AF 4 selection  
-  */ 
+/** @defgroup GPIOEx_Alternate_function_AF4  Alternate function AF4
+ * @{
+ */
 #define GPIO_AF4_I2C1            ((uint8_t)0x04)  /* I2C1 Alternate Function mapping     */
 #define GPIO_AF4_USART1          ((uint8_t)0x04)  /* USART1 Alternate Function mapping   */
 #define GPIO_AF4_USART2          ((uint8_t)0x04)  /* USART2 Alternate Function mapping   */
 #define GPIO_AF4_LPUART1         ((uint8_t)0x04)  /* LPUART1 Alternate Function mapping  */
 #define GPIO_AF4_TIM22           ((uint8_t)0x04)  /* TIM22 Alternate Function mapping    */
 #define GPIO_AF4_EVENTOUT        ((uint8_t)0x04)  /* EVENTOUT Alternate Function mapping */
+/**
+  * @}
+  */
 
-/** 
-  * @brief   AF 5 selection  
-  */ 
+/** @defgroup GPIOEx_Alternate_function_AF5  Alternate function AF5
+ * @{
+ */
 #define GPIO_AF5_SPI2          ((uint8_t)0x05)  /* SPI2 Alternate Function mapping     */
 #define GPIO_AF5_I2C2          ((uint8_t)0x05)  /* I2C2 Alternate Function mapping     */
 #define GPIO_AF5_TIM2          ((uint8_t)0x05)  /* TIM2 Alternate Function mapping     */
 #define GPIO_AF5_TIM21         ((uint8_t)0x05)  /* TIM21 Alternate Function mapping    */
 #define GPIO_AF5_TIM22         ((uint8_t)0x05)  /* TIM22 Alternate Function mapping    */
+/**
+  * @}
+  */
 
-/** 
-  * @brief   AF 6 selection  
-  */ 
+/** @defgroup GPIOEx_Alternate_function_AF6  Alternate function AF6
+ * @{
+ */
 #define GPIO_AF6_I2C2          ((uint8_t)0x06)  /* I2C2 Alternate Function mapping      */
 #define GPIO_AF6_TIM21         ((uint8_t)0x06)  /* TIM21 Alternate Function mapping     */
 #define GPIO_AF6_EVENTOUT      ((uint8_t)0x06)  /* EVENTOUT Alternate Function mapping  */
+/**
+  * @}
+  */
 
-/** 
-  * @brief   AF 7 selection  
-  */ 
+/** @defgroup GPIOEx_Alternate_function_AF7  Alternate function AF7
+ * @{
+ */
 #define GPIO_AF7_COMP1        ((uint8_t)0x07)  /* COMP1 Alternate Function mapping     */
 #define GPIO_AF7_COMP2        ((uint8_t)0x07)  /* COMP2 Alternate Function mapping     */
-
-
-#define IS_GPIO_AF(AF)   (((AF) == GPIO_AF0_SPI1)         ||     ((AF) == GPIO_AF2_SPI2)        || \
-                          ((AF) == GPIO_AF0_SPI2)         ||     ((AF) == GPIO_AF2_LPUART1)     || \
-                          ((AF) == GPIO_AF0_USART1)       ||     ((AF) == GPIO_AF2_TIM22)       || \
-                          ((AF) == GPIO_AF0_USART2)       ||     ((AF) == GPIO_AF2_LPTIM)       || \
-                          ((AF) == GPIO_AF0_LPUART1)      ||     ((AF) == GPIO_AF2_TIM2)        || \
-                          ((AF) == GPIO_AF0_LPTIM)        ||     ((AF) == GPIO_AF2_EVENTOUT)    || \
-                          ((AF) == GPIO_AF1_TIM21)        ||     ((AF) == GPIO_AF2_RTC_50Hz)    || \
-                          ((AF) == GPIO_AF0_TIM2)         ||     ((AF) == GPIO_AF3_I2C1)        || \
-                          ((AF) == GPIO_AF0_TIM21)        ||     ((AF) == GPIO_AF3_TSC)         || \
-                          ((AF) == GPIO_AF0_TIM22)        ||     ((AF) == GPIO_AF3_EVENTOUT)    || \
-                          ((AF) == GPIO_AF0_EVENTOUT)     ||     ((AF) == GPIO_AF4_I2C1)        || \
-                          ((AF) == GPIO_AF0_MCO)          ||     ((AF) == GPIO_AF4_USART1)      || \
-                          ((AF) == GPIO_AF0_SWDIO)        ||     ((AF) == GPIO_AF0_SWCLK)       || \
-                          ((AF) == GPIO_AF1_SPI1)         ||     ((AF) == GPIO_AF4_USART2)      || \
-                          ((AF) == GPIO_AF1_SPI2)         ||     ((AF) == GPIO_AF4_LPUART1)     || \
-                          ((AF) == GPIO_AF1_TIM2)         ||     ((AF) == GPIO_AF4_TIM22)       || \
-                          ((AF) == GPIO_AF1_I2C1)         ||     ((AF) == GPIO_AF4_EVENTOUT)    || \
-                          ((AF) == GPIO_AF6_EVENTOUT)     ||     ((AF) == GPIO_AF5_SPI2)        || \
-                          ((AF) == GPIO_AF5_I2C2)         ||     ((AF) == GPIO_AF5_TIM2)        || \
-                          ((AF) == GPIO_AF5_TIM21)        ||     ((AF) == GPIO_AF5_TIM22)       || \
-                          ((AF) == GPIO_AF6_I2C2)         ||     ((AF) == GPIO_AF6_TIM21)       || \
-                          ((AF) == GPIO_AF7_COMP2)        ||     ((AF) == GPIO_AF7_COMP1))       
-                         
-
-#endif /* STM32L051xx/STM32L061xx*/
-
-/* Aliases define maintained for legacy */
-#define GPIO_AF0_EVENOUT      GPIO_AF0_EVENTOUT
-#define GPIO_AF2_EVENOUT      GPIO_AF2_EVENTOUT
-#define GPIO_AF3_EVENOUT      GPIO_AF3_EVENTOUT
-#define GPIO_AF6_EVENOUT      GPIO_AF6_EVENTOUT
-/*------------------------------------------------------------------------------------------*/
 /**
   * @}
-  */ 
+  */
 
 /**
   * @}
   */
 
-/* Exported macro ------------------------------------------------------------*/
-/* Exported functions --------------------------------------------------------*/ 
+
+#define IS_GPIO_AF(__AF__) (((__AF__) == GPIO_AF0_SPI1)     || ((__AF__) == GPIO_AF2_SPI2)     || \
+                            ((__AF__) == GPIO_AF0_SPI2)     || ((__AF__) == GPIO_AF2_LPUART1)  || \
+                            ((__AF__) == GPIO_AF0_USART1)   || ((__AF__) == GPIO_AF7_COMP1)    || \
+                            ((__AF__) == GPIO_AF0_USART2)   || ((__AF__) == GPIO_AF2_LPTIM1)   || \
+                            ((__AF__) == GPIO_AF0_LPUART1)  || ((__AF__) == GPIO_AF2_TIM2)     || \
+                            ((__AF__) == GPIO_AF0_LPTIM1)   || ((__AF__) == GPIO_AF2_EVENTOUT) || \
+                            ((__AF__) == GPIO_AF2_RTC) || ((__AF__) == GPIO_AF4_TIM22)    || \
+                            ((__AF__) == GPIO_AF0_TIM2)     || ((__AF__) == GPIO_AF3_I2C1)     || \
+                            ((__AF__) == GPIO_AF0_TIM21)    || ((__AF__) == GPIO_AF7_COMP2)    || \
+                            ((__AF__) == GPIO_AF0_TIM22)    || ((__AF__) == GPIO_AF3_EVENTOUT) || \
+                            ((__AF__) == GPIO_AF0_EVENTOUT) || ((__AF__) == GPIO_AF4_I2C1)     || \
+                            ((__AF__) == GPIO_AF0_MCO)      || ((__AF__) == GPIO_AF4_USART1)   || \
+                            ((__AF__) == GPIO_AF0_SWDIO)    || ((__AF__) == GPIO_AF0_SWCLK)    || \
+                            ((__AF__) == GPIO_AF1_SPI1)     || ((__AF__) == GPIO_AF4_USART2)   || \
+                            ((__AF__) == GPIO_AF1_SPI2)     || ((__AF__) == GPIO_AF4_LPUART1)  || \
+                            ((__AF__) == GPIO_AF1_I2C1)     || ((__AF__) == GPIO_AF4_EVENTOUT) || \
+                            ((__AF__) == GPIO_AF6_EVENTOUT) || ((__AF__) == GPIO_AF5_SPI2)     || \
+                            ((__AF__) == GPIO_AF5_I2C2)     || ((__AF__) == GPIO_AF5_TIM2)     || \
+                            ((__AF__) == GPIO_AF5_TIM21)    || ((__AF__) == GPIO_AF5_TIM22)    || \
+                            ((__AF__) == GPIO_AF6_I2C2)     || ((__AF__) == GPIO_AF6_TIM21))
+
+                         
+
+   #define IS_GPIO_AF_AVAILABLE(__INSTANCE__,__AF__)  \
+        ((((__INSTANCE__) == GPIOA) && (((__AF__) ==  GPIO_AF0_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM2)      ||   \
+                                        ((__AF__) ==  GPIO_AF3_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF4_USART2)    ||   \
+                                        ((__AF__) ==  GPIO_AF5_TIM22)     ||   \
+                                        ((__AF__) ==  GPIO_AF6_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF7_COMP2)))   ||   \
+         (((__INSTANCE__) == GPIOB) && (((__AF__) ==  GPIO_AF0_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF1_I2C1)      ||   \
+                                        ((__AF__) ==  GPIO_AF2_TIM2)      ||   \
+                                        ((__AF__) ==  GPIO_AF3_I2C1)      ||   \
+                                        ((__AF__) ==  GPIO_AF4_LPUART1)   ||   \
+                                        ((__AF__) ==  GPIO_AF5_I2C2)      ||   \
+                                        ((__AF__) ==  GPIO_AF6_TIM21)))   ||   \
+         (((__INSTANCE__) == GPIOC) && (((__AF__) ==  GPIO_AF0_EVENTOUT)  ||   \
+                                        ((__AF__) ==  GPIO_AF2_LPUART1))) ||   \
+         (((__INSTANCE__) == GPIOD) && (((__AF__) ==  GPIO_AF0_LPUART1))))
+
+
+#endif /* STM32L051xx/STM32L061xx*/
+/*------------------------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------*/
+/*------------------------- STM32L031xx/STM32L041xx---------------------------*/
+/*----------------------------------------------------------------------------*/
+#if defined (STM32L031xx)|| defined (STM32L041xx)
+/* The table below gives an overview of the different alternate functions per port.
+ * For more details refer yourself to the product data sheet.
+ *
+ */
+/*     |   AF0  |   AF1  |   AF2  |   AF3  |   AF4  |   AF5  |   AF6  |   AF7  |
+ *______________________________________________________________________________
+ * PA0 |        |LPTIM1  |TIM2_C1 |        |USART2  |TIM2_TR |        |COMP1   |
+ * PA1 |EVENTOUT|LPTIM1  |TIM2_C2 |I2C1    |USART2  |TIM21_TR|        |        |
+ * PA2 |TIM21_C1|        |TIM2_C3 |        |USART2  |        |LPUART1 |COMP2   |
+ * PA3 |TIM21_C2|        |TIM2_C4 |        |USART2  |        |LPUART1 |        |
+ * PA4 |SPI1    |LPTIM1  |        |        |USART2  |TIM22_TR|        |        |
+ * PA5 |SPI1    |LPTIM1  |TIM2_TR |        |        |TIM2_C1 |        |        |
+ * PA6 |SPI1    |LPTIM1  |        |        |LPUART  |TIM22_C1|EVENTOUT|COMP1   |
+ * PA7 |SPI1    |LPTIM1  |        |        |USART2  |TIM22_C2|EVENTOUT|COMP2   |
+ * PA8 |MCO     |        |LPTIM1  |EVENTOUT|USART2  |        |        |        |
+ * PA9 |MCO     |I2C1    |        |        |USART2  |TIM22_C1|        |        |
+ * PA10|        |I2C1    |        |        |USART2  |TIM22_C2|        |        |
+ * PA11|SPI1    |        |EVENTOUT|        |USART2  |        |        |COMP1   |
+ * PA12|SPI1    |        |EVENTOUT|        |USART2  |        |        |COMP2   |
+ * PA13|SWDIO   |LPTIM1  |        |        |        |        |LPUART1 |        |
+ * PA14|SWCLK   |LPTIM1  |        |I2C1    |USART2  |        |LPUART1 |        |
+ * PA15|SPI1    |        |TIM2_TR |EVENTOUT|USART2  |TIM2_C1 |        |        |
+ *_____________________________________________________________________________|
+ * PB0 |EVENTOUT|SPI1    |        |        |USART2  |TIM2_C3 |        |        |
+ * PB1 |USART2  |SPI1    |        |        |LPUART1 |TIM2_C4 |        |        |
+ * PB2 |        |        |LPTIM1_O|        |        |        |        |        |
+ * PB3 |SPI1    |        |TIM2_C2 |        |EVENTOUT|        |        |        |
+ * PB4 |SPI1    |        |EVENTOUT|        |TIM22_C1|        |        |        |
+ * PB5 |SPI1    |        |LPTIM1_I|I2C1    |TIM22_C2|        |        |        |
+ * PB6 |USART2  |I2C1    |LPTIM1_T|        |        |        |        |        |
+ * PB7 |USART2  |I2C1    |LPTIM1_I|        |        |        |        |        |
+ * PB8 |        |        |        |        |I2C1    |        |        |        |
+ * PB9 |        |        |EVENTOUT|        |I2C1    |        |        |        |
+ * PB10|        |        |TIM2_C3 |        |        |        |LPUART1 |        |
+ * PB11|EVENTOUT|        |TIM2_C4 |        |        |        |LPUART1 |        |
+ * PB12|SPI2    |        |        |        |        |        |EVENTOUT|        |
+ * PB13|SPI2    |        |MCO     |        |        |TIM21_C1|LPUART1 |        |
+ * PB14|SPI2    |        |RTC     |        |        |TIM21_C2|LPUART1 |        |
+ * PB15|SPI2    |        |RTC     |        |        |        |        |        |
+ *_____________________________________________________________________________|
+ * PC0 |LPTIM1_I|        |EVENTOUT|        |        |        |LPUART1 |        |
+ * PC1 |        |        |        |        |        |        |        |        |
+ * PC13|        |        |        |        |        |        |        |        |
+ * PC14|        |        |        |        |        |        |        |        |
+ * PC15|        |        |        |        |        |        |        |        |
+ *_____________________________________________________________________________|
+ * PH0 |        |        |        |        |        |        |        |        |
+ * PH1 |        |        |        |        |        |        |        |        |
+ *_____________________________________________________________________________|
+ */
+
+/** @defgroup GPIOEx_Alternate_function_selection Alternate function selection
+ * @{
+ */
+
+/** @defgroup GPIOEx_Alternate_function_AF0  Alternate function AF0
+ * @{
+ */
+#define GPIO_AF0_EVENTOUT      ((uint8_t)0x00)  /* EVENTOUT Alternate Function mapping */
+#define GPIO_AF0_TIM21         ((uint8_t)0x00)  /* TIM21 Alternate Function mapping    */
+#define GPIO_AF0_SPI1          ((uint8_t)0x00)  /* SPI1 Alternate Function mapping     */
+#define GPIO_AF0_USART2        ((uint8_t)0x00)  /* USART2 Alternate Function mapping   */
+#define GPIO_AF0_LPTIM1        ((uint8_t)0x00)  /* LPTIM1 Alternate Function mapping   */
+#define GPIO_AF0_MCO           ((uint8_t)0x00)  /* MCO Alternate Function mapping      */
+#define GPIO_AF0_SWDIO         ((uint8_t)0x00)  /* SWDIO Alternate Function mapping    */
+#define GPIO_AF0_SWCLK         ((uint8_t)0x00)  /* SWCLK Alternate Function mapping    */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF1  Alternate function AF1
+ * @{
+ */
+#define GPIO_AF1_SPI1          ((uint8_t)0x01)  /* SPI1 Alternate Function mapping   */
+#define GPIO_AF1_I2C1          ((uint8_t)0x01)  /* I2C1 Alternate Function mapping   */
+#define GPIO_AF1_LPTIM1        ((uint8_t)0x01)  /* LPTIM1 Alternate Function mapping */
+/**
+  * @}
+  */
+
+ /** @defgroup GPIOEx_Alternate_function_AF2  Alternate function AF2
+ * @{
+ */
+#define GPIO_AF2_LPTIM1        ((uint8_t)0x02)  /* LPTIM1 Alternate Function mapping     */
+#define GPIO_AF2_TIM2          ((uint8_t)0x02)  /* TIM2 Alternate Function mapping       */
+#define GPIO_AF2_EVENTOUT      ((uint8_t)0x02)  /* EVENTOUT Alternate Function mapping   */
+#define GPIO_AF2_RTC      ((uint8_t)0x02)  /* RTC_OUT Alternate Function mapping    */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF3  Alternate function AF3
+ * @{
+ */
+#define GPIO_AF3_I2C1          ((uint8_t)0x03)  /* I2C1 Alternate Function mapping     */
+#define GPIO_AF3_EVENTOUT      ((uint8_t)0x03)  /* EVENTOUT Alternate Function mapping  */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF4  Alternate function AF4
+ * @{
+ */
+#define GPIO_AF4_I2C1          ((uint8_t)0x04)  /* I2C1 Alternate Function mapping     */
+#define GPIO_AF4_USART2        ((uint8_t)0x04)  /* USART2 Alternate Function mapping   */
+#define GPIO_AF4_LPUART1       ((uint8_t)0x04)  /* LPUART1 Alternate Function mapping  */
+#define GPIO_AF4_TIM22         ((uint8_t)0x04)  /* TIM22 Alternate Function mapping    */
+#define GPIO_AF4_EVENTOUT      ((uint8_t)0x04)  /* EVENTOUT Alternate Function mapping  */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF5  Alternate function AF5
+ * @{
+ */
+#define GPIO_AF5_TIM2          ((uint8_t)0x05)  /* TIM2 Alternate Function mapping     */
+#define GPIO_AF5_TIM21         ((uint8_t)0x05)  /* TIM21 Alternate Function mapping    */
+#define GPIO_AF5_TIM22         ((uint8_t)0x05)  /* TIM22 Alternate Function mapping    */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF6  Alternate function AF6
+ * @{
+ */
+#define GPIO_AF6_LPUART1       ((uint8_t)0x06)  /* LPUART1 Alternate Function mapping  */
+#define GPIO_AF6_EVENTOUT      ((uint8_t)0x06)  /* EVENTOUT Alternate Function mapping  */
+/**
+  * @}
+  */
+
+/** @defgroup GPIOEx_Alternate_function_AF7  Alternate function AF7
+ * @{
+ */
+#define GPIO_AF7_COMP1         ((uint8_t)0x07)  /* COMP1 Alternate Function mapping     */
+#define GPIO_AF7_COMP2         ((uint8_t)0x07)  /* COMP2 Alternate Function mapping     */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#define IS_GPIO_AF(__AF__)   (((__AF__) == GPIO_AF0_EVENTOUT  ) || \
+                              ((__AF__) == GPIO_AF0_TIM21     ) || \
+                              ((__AF__) == GPIO_AF0_SPI1      ) || \
+                              ((__AF__) == GPIO_AF0_USART2    ) || \
+                              ((__AF__) == GPIO_AF0_LPTIM1    ) || \
+                              ((__AF__) == GPIO_AF0_MCO       ) || \
+                              ((__AF__) == GPIO_AF0_SWDIO     ) || \
+                              ((__AF__) == GPIO_AF0_SWCLK     ) || \
+                              ((__AF__) == GPIO_AF1_SPI1      ) || \
+                              ((__AF__) == GPIO_AF1_I2C1      ) || \
+                              ((__AF__) == GPIO_AF1_LPTIM1    ) || \
+                              ((__AF__) == GPIO_AF2_LPTIM1    ) || \
+                              ((__AF__) == GPIO_AF2_TIM2      ) || \
+                              ((__AF__) == GPIO_AF2_EVENTOUT  ) || \
+                              ((__AF__) == GPIO_AF2_RTC       ) || \
+                              ((__AF__) == GPIO_AF3_I2C1      ) || \
+                              ((__AF__) == GPIO_AF3_EVENTOUT  ) || \
+                              ((__AF__) == GPIO_AF4_I2C1      ) || \
+                              ((__AF__) == GPIO_AF4_USART2    ) || \
+                              ((__AF__) == GPIO_AF4_LPUART1   ) || \
+                              ((__AF__) == GPIO_AF4_TIM22     ) || \
+                              ((__AF__) == GPIO_AF4_EVENTOUT  ) || \
+                              ((__AF__) == GPIO_AF5_TIM2      ) || \
+                              ((__AF__) == GPIO_AF5_TIM21     ) || \
+                              ((__AF__) == GPIO_AF5_TIM22     ) || \
+                              ((__AF__) == GPIO_AF6_LPUART1   ) || \
+                              ((__AF__) == GPIO_AF6_EVENTOUT  ) || \
+                              ((__AF__) == GPIO_AF7_COMP1     ) || \
+                              ((__AF__) == GPIO_AF7_COMP2     ))
+                                      
+                         
+
+#define IS_GPIO_AF_AVAILABLE(__INSTANCE__,__AF__)  \
+        (1)
+
+
+#endif /* STM32L031xx/STM32L041xx*/
+/*------------------------------------------------------------------------------------------*/
+
+
+
+#if defined (STM32L083xx) || defined (STM32L082xx) || defined (STM32L081xx) || \
+    defined (STM32L073xx) || defined (STM32L072xx) || defined (STM32L071xx)
+
+#define GPIO_GET_INDEX(__GPIOx__)    (((__GPIOx__) == (GPIOA))? 0U :\
+                                      ((__GPIOx__) == (GPIOB))? 1U :\
+                                      ((__GPIOx__) == (GPIOC))? 2U :\
+                                      ((__GPIOx__) == (GPIOD))? 3U :\
+                                      ((__GPIOx__) == (GPIOE))? 4U :\
+                                      ((__GPIOx__) == (GPIOH))? 5U : 6U)
+
+/** @defgroup GPIOEx_Pin_Available Pin available
+ * @{
+ */
+#define GPIOA_PIN_AVAILABLE  GPIO_PIN_All
+#define GPIOB_PIN_AVAILABLE  GPIO_PIN_All
+#define GPIOC_PIN_AVAILABLE  GPIO_PIN_All
+#define GPIOD_PIN_AVAILABLE  GPIO_PIN_All
+#define GPIOE_PIN_AVAILABLE  GPIO_PIN_All
+#define GPIOH_PIN_AVAILABLE  (GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_9 | GPIO_PIN_10)
+/**
+  * @}
+  */
+
+#define IS_GPIO_PIN_AVAILABLE(__INSTANCE__,__PIN__)  \
+           ((((__INSTANCE__) == GPIOA) && (((__PIN__) & (GPIOA_PIN_AVAILABLE)) != 0) && (((__PIN__) | (GPIOA_PIN_AVAILABLE)) == (GPIOA_PIN_AVAILABLE))) || \
+            (((__INSTANCE__) == GPIOB) && (((__PIN__) & (GPIOB_PIN_AVAILABLE)) != 0) && (((__PIN__) | (GPIOB_PIN_AVAILABLE)) == (GPIOB_PIN_AVAILABLE))) || \
+            (((__INSTANCE__) == GPIOC) && (((__PIN__) & (GPIOC_PIN_AVAILABLE)) != 0) && (((__PIN__) | (GPIOC_PIN_AVAILABLE)) == (GPIOC_PIN_AVAILABLE))) || \
+            (((__INSTANCE__) == GPIOD) && (((__PIN__) & (GPIOD_PIN_AVAILABLE)) != 0) && (((__PIN__) | (GPIOD_PIN_AVAILABLE)) == (GPIOD_PIN_AVAILABLE))) || \
+            (((__INSTANCE__) == GPIOE) && (((__PIN__) & (GPIOE_PIN_AVAILABLE)) != 0) && (((__PIN__) | (GPIOE_PIN_AVAILABLE)) == (GPIOE_PIN_AVAILABLE))) || \
+            (((__INSTANCE__) == GPIOH) && (((__PIN__) & (GPIOH_PIN_AVAILABLE)) != 0) && (((__PIN__) | (GPIOH_PIN_AVAILABLE)) == (GPIOH_PIN_AVAILABLE))))
+
+#elif defined (STM32L031xx) || defined (STM32L041xx)
+
+#define GPIO_GET_INDEX(__GPIOx__)    (((__GPIOx__) == (GPIOA))? 0U :\
+                                      ((__GPIOx__) == (GPIOB))? 1U :\
+                                      ((__GPIOx__) == (GPIOC))? 2U :\
+                                      ((__GPIOx__) == (GPIOH))? 5U : 6U)
+
+/** @defgroup GPIOEx_Pin_Available Pin available
+ * @{
+ */
+#define GPIOA_PIN_AVAILABLE  GPIO_PIN_All
+#define GPIOB_PIN_AVAILABLE  GPIO_PIN_All
+#define GPIOC_PIN_AVAILABLE  (GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15)
+#define GPIOH_PIN_AVAILABLE  (GPIO_PIN_0 | GPIO_PIN_1)
+/**
+  * @}
+  */
+
+#define IS_GPIO_PIN_AVAILABLE(__INSTANCE__,__PIN__)  \
+           ((((__INSTANCE__) == GPIOA) && (((__PIN__) & (GPIOA_PIN_AVAILABLE)) != 0) && (((__PIN__) | (GPIOA_PIN_AVAILABLE)) == (GPIOA_PIN_AVAILABLE))) || \
+            (((__INSTANCE__) == GPIOB) && (((__PIN__) & (GPIOB_PIN_AVAILABLE)) != 0) && (((__PIN__) | (GPIOB_PIN_AVAILABLE)) == (GPIOB_PIN_AVAILABLE))) || \
+            (((__INSTANCE__) == GPIOC) && (((__PIN__) & (GPIOC_PIN_AVAILABLE)) != 0) && (((__PIN__) | (GPIOC_PIN_AVAILABLE)) == (GPIOC_PIN_AVAILABLE))) || \
+            (((__INSTANCE__) == GPIOH) && (((__PIN__) & (GPIOH_PIN_AVAILABLE)) != 0) && (((__PIN__) | (GPIOH_PIN_AVAILABLE)) == (GPIOH_PIN_AVAILABLE))))
+
+#elif defined (STM32L063xx) || defined (STM32L062xx) || defined (STM32L061xx) || \
+      defined (STM32L053xx) || defined (STM32L052xx) || defined (STM32L051xx)
+
+#define GPIO_GET_INDEX(__GPIOx__)    (((__GPIOx__) == (GPIOA))? 0U :\
+                                      ((__GPIOx__) == (GPIOB))? 1U :\
+                                      ((__GPIOx__) == (GPIOC))? 2U :\
+                                      ((__GPIOx__) == (GPIOD))? 3U :\
+                                      ((__GPIOx__) == (GPIOH))? 5U : 6U)
+
+/** @defgroup GPIOEx_Pin_Available Pin available
+ * @{
+ */
+#define GPIOA_PIN_AVAILABLE  GPIO_PIN_All
+#define GPIOB_PIN_AVAILABLE  GPIO_PIN_All
+#define GPIOC_PIN_AVAILABLE  GPIO_PIN_All
+#define GPIOD_PIN_AVAILABLE  GPIO_PIN_2
+#define GPIOH_PIN_AVAILABLE  GPIO_PIN_0 | GPIO_PIN_1
+/**
+  * @}
+  */
+
+#define IS_GPIO_PIN_AVAILABLE(__INSTANCE__,__PIN__)  \
+                ((((__INSTANCE__) == GPIOA) && (((__PIN__) & (GPIOA_PIN_AVAILABLE)) != 0) && (((__PIN__) | (GPIOA_PIN_AVAILABLE)) == (GPIOA_PIN_AVAILABLE))) || \
+                 (((__INSTANCE__) == GPIOB) && (((__PIN__) & (GPIOB_PIN_AVAILABLE)) != 0) && (((__PIN__) | (GPIOB_PIN_AVAILABLE)) == (GPIOB_PIN_AVAILABLE))) || \
+                 (((__INSTANCE__) == GPIOC) && (((__PIN__) & (GPIOC_PIN_AVAILABLE)) != 0) && (((__PIN__) | (GPIOC_PIN_AVAILABLE)) == (GPIOC_PIN_AVAILABLE))) || \
+                 (((__INSTANCE__) == GPIOD) && (((__PIN__) & (GPIOD_PIN_AVAILABLE)) != 0) && (((__PIN__) | (GPIOD_PIN_AVAILABLE)) == (GPIOD_PIN_AVAILABLE))) || \
+                 (((__INSTANCE__) == GPIOH) && (((__PIN__) & (GPIOH_PIN_AVAILABLE)) != 0) && (((__PIN__) | (GPIOH_PIN_AVAILABLE)) == (GPIOH_PIN_AVAILABLE))))
+
+
+#endif /* STM32L083xx || STM32L082xx || STM32L081xx || STM32L073xx || STM32L072xx || STM32L071xx*/
 
 
 /**
@@ -416,9 +1896,12 @@
   */ 
 
 /**
-  * @}
-  */ 
-  
+ * @}
+ */
+
+/**
+ * @}
+ */
 #ifdef __cplusplus
 }
 #endif
@@ -426,3 +1909,4 @@
 #endif /* __STM32L0xx_HAL_GPIO_EX_H */
 
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
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Type:	Library
Created:	08 Apr 2015
Imports:	2
Forks:	0
Commits:	98
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Diff: TARGET_NUCLEO_L053R8/stm32l0xx_hal_gpio_ex.h

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