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Dependents: hello SerialTestv11 SerialTestv12 Sierpinski ... more
Diff: TARGET_ARCH_MAX/stm32f4xx_hal_usart.h
- Revision:
- 99:dbbf35b96557
- Parent:
- 92:4fc01daae5a5
- Child:
- 106:ba1f97679dad
--- a/TARGET_ARCH_MAX/stm32f4xx_hal_usart.h Wed Apr 29 10:16:23 2015 +0100
+++ b/TARGET_ARCH_MAX/stm32f4xx_hal_usart.h Wed May 13 08:08:21 2015 +0200
@@ -2,13 +2,13 @@
******************************************************************************
* @file stm32f4xx_hal_usart.h
* @author MCD Application Team
- * @version V1.1.0
- * @date 19-June-2014
+ * @version V1.3.0
+ * @date 09-March-2015
* @brief Header file of USART HAL module.
******************************************************************************
* @attention
*
- * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+ * <h2><center>© 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:
@@ -55,6 +55,10 @@
*/
/* Exported types ------------------------------------------------------------*/
+/** @defgroup USART_Exported_Types USART Exported Types
+ * @{
+ */
+
/**
* @brief USART Init Structure definition
*/
@@ -78,7 +82,7 @@
the word length is set to 9 data bits; 8th bit when the
word length is set to 8 data bits). */
- uint32_t Mode; /*!< Specifies wether the Receive or Transmit mode is enabled or disabled.
+ uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
This parameter can be a value of @ref USART_Mode */
uint32_t CLKPolarity; /*!< Specifies the steady state of the serial clock.
@@ -108,19 +112,6 @@
}HAL_USART_StateTypeDef;
/**
- * @brief HAL USART Error Code structure definition
- */
-typedef enum
-{
- HAL_USART_ERROR_NONE = 0x00, /*!< No error */
- HAL_USART_ERROR_PE = 0x01, /*!< Parity error */
- HAL_USART_ERROR_NE = 0x02, /*!< Noise error */
- HAL_USART_ERROR_FE = 0x04, /*!< frame error */
- HAL_USART_ERROR_ORE = 0x08, /*!< Overrun error */
- HAL_USART_ERROR_DMA = 0x10 /*!< DMA transfer error */
-}HAL_USART_ErrorTypeDef;
-
-/**
* @brief USART handle Structure definition
*/
typedef struct
@@ -149,125 +140,122 @@
__IO HAL_USART_StateTypeDef State; /* Usart communication state */
- __IO HAL_USART_ErrorTypeDef ErrorCode; /* USART Error code */
-
+ __IO uint32_t ErrorCode; /* USART Error code */
+
}USART_HandleTypeDef;
-
+/**
+ * @}
+ */
/* Exported constants --------------------------------------------------------*/
-/** @defgroup USART_Exported_Constants
+/** @defgroup USART_Exported_Constants USART Exported Constants
* @{
*/
-/** @defgroup USART_Word_Length
+/** @defgroup USART_Error_Code USART Error Code
+ * @brief USART Error Code
+ * @{
+ */
+#define HAL_USART_ERROR_NONE ((uint32_t)0x00000000) /*!< No error */
+#define HAL_USART_ERROR_PE ((uint32_t)0x00000001) /*!< Parity error */
+#define HAL_USART_ERROR_NE ((uint32_t)0x00000002) /*!< Noise error */
+#define HAL_USART_ERROR_FE ((uint32_t)0x00000004) /*!< Frame error */
+#define HAL_USART_ERROR_ORE ((uint32_t)0x00000008) /*!< Overrun error */
+#define HAL_USART_ERROR_DMA ((uint32_t)0x00000010) /*!< DMA transfer error */
+/**
+ * @}
+ */
+
+/** @defgroup USART_Word_Length USART Word Length
* @{
*/
#define USART_WORDLENGTH_8B ((uint32_t)0x00000000)
#define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M)
-#define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_8B) || \
- ((LENGTH) == USART_WORDLENGTH_9B))
/**
* @}
*/
-/** @defgroup USART_Stop_Bits
+/** @defgroup USART_Stop_Bits USART Number of Stop Bits
* @{
*/
#define USART_STOPBITS_1 ((uint32_t)0x00000000)
#define USART_STOPBITS_0_5 ((uint32_t)USART_CR2_STOP_0)
#define USART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1)
#define USART_STOPBITS_1_5 ((uint32_t)(USART_CR2_STOP_0 | USART_CR2_STOP_1))
-#define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_STOPBITS_1) || \
- ((STOPBITS) == USART_STOPBITS_0_5) || \
- ((STOPBITS) == USART_STOPBITS_1_5) || \
- ((STOPBITS) == USART_STOPBITS_2))
/**
* @}
*/
-/** @defgroup USART_Parity
+/** @defgroup USART_Parity USART Parity
* @{
*/
#define USART_PARITY_NONE ((uint32_t)0x00000000)
#define USART_PARITY_EVEN ((uint32_t)USART_CR1_PCE)
-#define USART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
-#define IS_USART_PARITY(PARITY) (((PARITY) == USART_PARITY_NONE) || \
- ((PARITY) == USART_PARITY_EVEN) || \
- ((PARITY) == USART_PARITY_ODD))
+#define USART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
/**
* @}
*/
-/** @defgroup USART_Mode
+/** @defgroup USART_Mode USART Mode
* @{
*/
#define USART_MODE_RX ((uint32_t)USART_CR1_RE)
#define USART_MODE_TX ((uint32_t)USART_CR1_TE)
#define USART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
-#define IS_USART_MODE(MODE) ((((MODE) & (uint32_t)0xFFF3) == 0x00) && ((MODE) != (uint32_t)0x00))
/**
* @}
*/
-/** @defgroup USART_Clock
+/** @defgroup USART_Clock USART Clock
* @{
*/
-#define USART_CLOCK_DISABLED ((uint32_t)0x00000000)
-#define USART_CLOCK_ENABLED ((uint32_t)USART_CR2_CLKEN)
-#define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_CLOCK_DISABLED) || \
- ((CLOCK) == USART_CLOCK_ENABLED))
+#define USART_CLOCK_DISABLE ((uint32_t)0x00000000)
+#define USART_CLOCK_ENABLE ((uint32_t)USART_CR2_CLKEN)
/**
* @}
*/
-/** @defgroup USART_Clock_Polarity
+/** @defgroup USART_Clock_Polarity USART Clock Polarity
* @{
*/
#define USART_POLARITY_LOW ((uint32_t)0x00000000)
#define USART_POLARITY_HIGH ((uint32_t)USART_CR2_CPOL)
-#define IS_USART_POLARITY(CPOL) (((CPOL) == USART_POLARITY_LOW) || ((CPOL) == USART_POLARITY_HIGH))
/**
* @}
*/
-/** @defgroup USART_Clock_Phase
+/** @defgroup USART_Clock_Phase USART Clock Phase
* @{
*/
#define USART_PHASE_1EDGE ((uint32_t)0x00000000)
#define USART_PHASE_2EDGE ((uint32_t)USART_CR2_CPHA)
-#define IS_USART_PHASE(CPHA) (((CPHA) == USART_PHASE_1EDGE) || ((CPHA) == USART_PHASE_2EDGE))
/**
* @}
*/
-/** @defgroup USART_Last_Bit
+/** @defgroup USART_Last_Bit USART Last Bit
* @{
*/
#define USART_LASTBIT_DISABLE ((uint32_t)0x00000000)
#define USART_LASTBIT_ENABLE ((uint32_t)USART_CR2_LBCL)
-#define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LASTBIT_DISABLE) || \
- ((LASTBIT) == USART_LASTBIT_ENABLE))
/**
* @}
*/
-/** @defgroup USART_NACK_State
+/** @defgroup USART_NACK_State USART NACK State
* @{
*/
-#define USARTNACK_ENABLED ((uint32_t)USART_CR3_NACK)
-#define USARTNACK_DISABLED ((uint32_t)0x00000000)
-#define IS_USART_NACK_STATE(NACK) (((NACK) == USARTNACK_ENABLED) || \
- ((NACK) == USARTNACK_DISABLED))
+#define USART_NACK_ENABLE ((uint32_t)USART_CR3_NACK)
+#define USART_NACK_DISABLE ((uint32_t)0x00000000)
/**
* @}
*/
-/** @defgroup USART_Flags
+/** @defgroup USART_Flags USART Flags
* Elements values convention: 0xXXXX
* - 0xXXXX : Flag mask in the SR register
* @{
*/
-
#define USART_FLAG_TXE ((uint32_t)0x00000080)
#define USART_FLAG_TC ((uint32_t)0x00000040)
#define USART_FLAG_RXNE ((uint32_t)0x00000020)
@@ -280,7 +268,7 @@
* @}
*/
-/** @defgroup USART_Interrupt_definition
+/** @defgroup USART_Interrupt_definition USART Interrupts Definition
* Elements values convention: 0xY000XXXX
* - XXXX : Interrupt mask in the XX register
* - Y : Interrupt source register (2bits)
@@ -290,18 +278,16 @@
*
* @{
*/
-#define USART_IT_PE ((uint32_t)0x10000100)
-#define USART_IT_TXE ((uint32_t)0x10000080)
-#define USART_IT_TC ((uint32_t)0x10000040)
-#define USART_IT_RXNE ((uint32_t)0x10000020)
-#define USART_IT_IDLE ((uint32_t)0x10000010)
+#define USART_IT_PE ((uint32_t)(USART_CR1_REG_INDEX << 28 | USART_CR1_PEIE))
+#define USART_IT_TXE ((uint32_t)(USART_CR1_REG_INDEX << 28 | USART_CR1_TXEIE))
+#define USART_IT_TC ((uint32_t)(USART_CR1_REG_INDEX << 28 | USART_CR1_TCIE))
+#define USART_IT_RXNE ((uint32_t)(USART_CR1_REG_INDEX << 28 | USART_CR1_RXNEIE))
+#define USART_IT_IDLE ((uint32_t)(USART_CR1_REG_INDEX << 28 | USART_CR1_IDLEIE))
-#define USART_IT_LBD ((uint32_t)0x20000040)
-#define USART_IT_CTS ((uint32_t)0x30000400)
+#define USART_IT_LBD ((uint32_t)(USART_CR2_REG_INDEX << 28 | USART_CR2_LBDIE))
-#define USART_IT_ERR ((uint32_t)0x30000001)
-
-
+#define USART_IT_CTS ((uint32_t)(USART_CR3_REG_INDEX << 28 | USART_CR3_CTSIE))
+#define USART_IT_ERR ((uint32_t)(USART_CR3_REG_INDEX << 28 | USART_CR3_EIE))
/**
* @}
*/
@@ -309,8 +295,12 @@
/**
* @}
*/
-
+
/* Exported macro ------------------------------------------------------------*/
+/** @defgroup USART_Exported_Macros USART Exported Macros
+ * @{
+ */
+
/** @brief Reset USART handle state
* @param __HANDLE__: specifies the USART Handle.
* This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
@@ -327,13 +317,12 @@
* @arg USART_FLAG_TC: Transmission Complete flag
* @arg USART_FLAG_RXNE: Receive data register not empty flag
* @arg USART_FLAG_IDLE: Idle Line detection flag
- * @arg USART_FLAG_ORE: OverRun Error flag
+ * @arg USART_FLAG_ORE: Overrun Error flag
* @arg USART_FLAG_NE: Noise Error flag
* @arg USART_FLAG_FE: Framing Error flag
* @arg USART_FLAG_PE: Parity Error flag
* @retval The new state of __FLAG__ (TRUE or FALSE).
*/
-
#define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
/** @brief Clears the specified Smartcard pending flags.
@@ -344,7 +333,7 @@
* @arg USART_FLAG_TC: Transmission Complete flag.
* @arg USART_FLAG_RXNE: Receive data register not empty flag.
*
- * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (OverRun
+ * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (Overrun
* error) and IDLE (Idle line detected) flags are cleared by software
* sequence: a read operation to USART_SR register followed by a read
* operation to USART_DR register.
@@ -362,8 +351,14 @@
* This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
* @retval None
*/
-#define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) do{(__HANDLE__)->Instance->SR;\
- (__HANDLE__)->Instance->DR;}while(0)
+#define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) \
+ do{ \
+ __IO uint32_t tmpreg; \
+ tmpreg = (__HANDLE__)->Instance->SR; \
+ tmpreg = (__HANDLE__)->Instance->DR; \
+ UNUSED(tmpreg); \
+ } while(0)
+
/** @brief Clear the USART FE pending flag.
* @param __HANDLE__: specifies the USART Handle.
* This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
@@ -392,7 +387,7 @@
*/
#define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
-/** @brief Enables or disables the specified Usart interrupts.
+/** @brief Enables or disables the specified USART interrupts.
* @param __HANDLE__: specifies the USART Handle.
* This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
* @param __INTERRUPT__: specifies the USART interrupt source to check.
@@ -403,20 +398,17 @@
* @arg USART_IT_IDLE: Idle line detection interrupt
* @arg USART_IT_PE: Parity Error interrupt
* @arg USART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
- * @param NewState: new state of the specified Usart interrupt.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
-#define USART_IT_MASK ((uint32_t)0x0000FFFF)
-#define __USART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & USART_IT_MASK)): \
- (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & USART_IT_MASK)): \
- ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & USART_IT_MASK)))
-#define __USART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
- (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
- ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & USART_IT_MASK)))
-
+#define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & USART_IT_MASK)): \
+ (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & USART_IT_MASK)): \
+ ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & USART_IT_MASK)))
+#define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
+ (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
+ ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & USART_IT_MASK)))
-/** @brief Checks whether the specified Usart interrupt has occurred or not.
+/** @brief Checks whether the specified USART interrupt has occurred or not.
* @param __HANDLE__: specifies the USART Handle.
* This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
* @param __IT__: specifies the USART interrupt source to check.
@@ -432,22 +424,55 @@
#define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28) == 1)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28) == 2)? \
(__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & USART_IT_MASK))
-#define __USART_ENABLE(__HANDLE__) ( (__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
-#define __USART_DISABLE(__HANDLE__) ( (__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
-
-#define __DIV(_PCLK_, _BAUD_) (((_PCLK_)*25)/(4*(_BAUD_)))
-#define __DIVMANT(_PCLK_, _BAUD_) (__DIV((_PCLK_), (_BAUD_))/100)
-#define __DIVFRAQ(_PCLK_, _BAUD_) (((__DIV((_PCLK_), (_BAUD_)) - (__DIVMANT((_PCLK_), (_BAUD_)) * 100)) * 16 + 50) / 100)
-#define __USART_BRR(_PCLK_, _BAUD_) ((__DIVMANT((_PCLK_), (_BAUD_)) << 4)|(__DIVFRAQ((_PCLK_), (_BAUD_)) & 0x0F))
+/** @brief Macro to enable the USART's one bit sample method
+ * @param __HANDLE__: specifies the USART Handle.
+ * @retval None
+ */
+#define __HAL_USART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
+
+/** @brief Macro to disable the USART's one bit sample method
+ * @param __HANDLE__: specifies the USART Handle.
+ * @retval None
+ */
+#define __HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
+
+/** @brief Enable USART
+ * @param __HANDLE__: specifies the USART Handle.
+ * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
+ * @retval None
+ */
+#define __HAL_USART_ENABLE(__HANDLE__) ( (__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
-#define IS_USART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 10500001)
-
+/** @brief Disable USART
+ * @param __HANDLE__: specifies the USART Handle.
+ * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
+ * @retval None
+ */
+#define __HAL_USART_DISABLE(__HANDLE__) ( (__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
+
+/**
+ * @}
+ */
/* Exported functions --------------------------------------------------------*/
+/** @addtogroup USART_Exported_Functions
+ * @{
+ */
+
+/** @addtogroup USART_Exported_Functions_Group1
+ * @{
+ */
/* Initialization/de-initialization functions **********************************/
HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart);
HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart);
void HAL_USART_MspInit(USART_HandleTypeDef *husart);
void HAL_USART_MspDeInit(USART_HandleTypeDef *husart);
+/**
+ * @}
+ */
+
+/** @addtogroup USART_Exported_Functions_Group2
+ * @{
+ */
/* IO operation functions *******************************************************/
HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
@@ -468,10 +493,83 @@
void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart);
void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart);
void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart);
+/**
+ * @}
+ */
-/* Peripheral State functions **************************************************/
+/** @addtogroup USART_Exported_Functions_Group3
+ * @{
+ */
+/* Peripheral State functions ************************************************/
HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart);
uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart);
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/** @defgroup USART_Private_Constants USART Private Constants
+ * @{
+ */
+/** @brief USART interruptions flag mask
+ *
+ */
+#define USART_IT_MASK ((uint32_t) USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE | USART_CR1_RXNEIE | \
+ USART_CR1_IDLEIE | USART_CR2_LBDIE | USART_CR3_CTSIE | USART_CR3_EIE )
+
+
+#define USART_CR1_REG_INDEX 1
+#define USART_CR2_REG_INDEX 2
+#define USART_CR3_REG_INDEX 3
+/**
+ * @}
+ */
+
+/* Private macros ------------------------------------------------------------*/
+/** @defgroup USART_Private_Macros USART Private Macros
+ * @{
+ */
+#define IS_USART_NACK_STATE(NACK) (((NACK) == USART_NACK_ENABLE) || \
+ ((NACK) == USART_NACK_DISABLE))
+#define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LASTBIT_DISABLE) || \
+ ((LASTBIT) == USART_LASTBIT_ENABLE))
+#define IS_USART_PHASE(CPHA) (((CPHA) == USART_PHASE_1EDGE) || ((CPHA) == USART_PHASE_2EDGE))
+#define IS_USART_POLARITY(CPOL) (((CPOL) == USART_POLARITY_LOW) || ((CPOL) == USART_POLARITY_HIGH))
+#define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_CLOCK_DISABLE) || \
+ ((CLOCK) == USART_CLOCK_ENABLE))
+#define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_8B) || \
+ ((LENGTH) == USART_WORDLENGTH_9B))
+#define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_STOPBITS_1) || \
+ ((STOPBITS) == USART_STOPBITS_0_5) || \
+ ((STOPBITS) == USART_STOPBITS_1_5) || \
+ ((STOPBITS) == USART_STOPBITS_2))
+#define IS_USART_PARITY(PARITY) (((PARITY) == USART_PARITY_NONE) || \
+ ((PARITY) == USART_PARITY_EVEN) || \
+ ((PARITY) == USART_PARITY_ODD))
+#define IS_USART_MODE(MODE) ((((MODE) & (uint32_t)0xFFF3) == 0x00) && ((MODE) != (uint32_t)0x00))
+#define IS_USART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 10500001)
+
+#define USART_DIV(_PCLK_, _BAUD_) (((_PCLK_)*25)/(2*(_BAUD_)))
+#define USART_DIVMANT(_PCLK_, _BAUD_) (USART_DIV((_PCLK_), (_BAUD_))/100)
+#define USART_DIVFRAQ(_PCLK_, _BAUD_) (((USART_DIV((_PCLK_), (_BAUD_)) - (USART_DIVMANT((_PCLK_), (_BAUD_)) * 100)) * 16 + 50) / 100)
+#define USART_BRR(_PCLK_, _BAUD_) ((USART_DIVMANT((_PCLK_), (_BAUD_)) << 4)|(USART_DIVFRAQ((_PCLK_), (_BAUD_)) & 0x0F))
+/**
+ * @}
+ */
+
+/* Private functions ---------------------------------------------------------*/
+/** @defgroup USART_Private_Functions USART Private Functions
+ * @{
+ */
+
+/**
+ * @}
+ */
/**
* @}
