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1 files changed, 161 insertions, 0 deletions

diff --git a/Drivers/STM32U0xx_HAL_Driver/Inc/stm32u0xx_hal_irda_ex.h b/Drivers/STM32U0xx_HAL_Driver/Inc/stm32u0xx_hal_irda_ex.h
new file mode 100644
index 0000000..a7d965f
--- /dev/null
+++ b/Drivers/STM32U0xx_HAL_Driver/Inc/stm32u0xx_hal_irda_ex.h
@@ -0,0 +1,161 @@
+/**
+  ******************************************************************************
+  * @file    stm32u0xx_hal_irda_ex.h
+  * @author  MCD Application Team
+  * @brief   Header file of IRDA HAL Extended module.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef STM32U0xx_HAL_IRDA_EX_H
+#define STM32U0xx_HAL_IRDA_EX_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32u0xx_hal_def.h"
+
+/** @addtogroup STM32U0xx_HAL_Driver
+  * @{
+  */
+
+/** @defgroup IRDAEx IRDAEx
+  * @brief IRDA Extended HAL module driver
+  * @{
+  */
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup IRDAEx_Extended_Exported_Constants IRDAEx Extended Exported Constants
+  * @{
+  */
+
+/** @defgroup IRDAEx_Word_Length IRDAEx Word Length
+  * @{
+  */
+#define IRDA_WORDLENGTH_7B                  USART_CR1_M1   /*!< 7-bit long frame */
+#define IRDA_WORDLENGTH_8B                  0x00000000U    /*!< 8-bit long frame */
+#define IRDA_WORDLENGTH_9B                  USART_CR1_M0   /*!< 9-bit long frame */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Exported macros -----------------------------------------------------------*/
+
+/* Private macros ------------------------------------------------------------*/
+
+/** @defgroup IRDAEx_Private_Macros IRDAEx Private Macros
+  * @{
+  */
+
+/** @brief  Report the IRDA clock source.
+  * @param  __HANDLE__ specifies the IRDA Handle.
+  * @param  __CLOCKSOURCE__ output variable.
+  * @retval IRDA clocking source, written in __CLOCKSOURCE__.
+  */
+#define IRDA_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)        \
+  do {                                                         \
+    if((__HANDLE__)->Instance == USART1)                       \
+    {                                                          \
+      (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_USART1;      \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART2)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_USART2;      \
+    }                                                          \
+    else                                                       \
+    {                                                          \
+      (__CLOCKSOURCE__) = 0U;                                  \
+    }                                                          \
+  } while(0U)
+
+
+/** @brief  Compute the mask to apply to retrieve the received data
+  *         according to the word length and to the parity bits activation.
+  * @param  __HANDLE__ specifies the IRDA Handle.
+  * @retval None, the mask to apply to the associated UART RDR register is stored in (__HANDLE__)->Mask field.
+  */
+#define IRDA_MASK_COMPUTATION(__HANDLE__)                             \
+  do {                                                                \
+    if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_9B)          \
+    {                                                                 \
+      if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE)              \
+      {                                                               \
+        (__HANDLE__)->Mask = 0x01FFU ;                                \
+      }                                                               \
+      else                                                            \
+      {                                                               \
+        (__HANDLE__)->Mask = 0x00FFU ;                                \
+      }                                                               \
+    }                                                                 \
+    else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_8B)     \
+    {                                                                 \
+      if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE)              \
+      {                                                               \
+        (__HANDLE__)->Mask = 0x00FFU ;                                \
+      }                                                               \
+      else                                                            \
+      {                                                               \
+        (__HANDLE__)->Mask = 0x007FU ;                                \
+      }                                                               \
+    }                                                                 \
+    else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_7B)     \
+    {                                                                 \
+      if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE)              \
+      {                                                               \
+        (__HANDLE__)->Mask = 0x007FU ;                                \
+      }                                                               \
+      else                                                            \
+      {                                                               \
+        (__HANDLE__)->Mask = 0x003FU ;                                \
+      }                                                               \
+    }                                                                 \
+    else                                                              \
+    {                                                                 \
+      (__HANDLE__)->Mask = 0x0000U;                                   \
+    }                                                                 \
+  } while(0U)
+
+/** @brief Ensure that IRDA frame length is valid.
+  * @param __LENGTH__ IRDA frame length.
+  * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
+  */
+#define IS_IRDA_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == IRDA_WORDLENGTH_7B) || \
+                                         ((__LENGTH__) == IRDA_WORDLENGTH_8B) || \
+                                         ((__LENGTH__) == IRDA_WORDLENGTH_9B))
+/**
+  * @}
+  */
+
+/* Exported functions --------------------------------------------------------*/
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* STM32U0xx_HAL_IRDA_EX_H */
+