1 /**
2   ******************************************************************************
3   * @file    stm32mp1xx_hal_usart.h
4   * @author  MCD Application Team
5   * @brief   Header file of USART HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2019 STMicroelectronics.
10   * All rights reserved.
11   *
12   * This software is licensed under terms that can be found in the LICENSE file
13   * in the root directory of this software component.
14   * If no LICENSE file comes with this software, it is provided AS-IS.
15   *
16   ******************************************************************************
17   */
18 
19 /* Define to prevent recursive inclusion -------------------------------------*/
20 #ifndef STM32MP1xx_HAL_USART_H
21 #define STM32MP1xx_HAL_USART_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32mp1xx_hal_def.h"
29 
30 /** @addtogroup STM32MP1xx_HAL_Driver
31   * @{
32   */
33 
34 /** @addtogroup USART
35   * @{
36   */
37 
38 /* Exported types ------------------------------------------------------------*/
39 /** @defgroup USART_Exported_Types USART Exported Types
40   * @{
41   */
42 
43 /**
44   * @brief USART Init Structure definition
45   */
46 typedef struct
47 {
48   uint32_t BaudRate;                  /*!< This member configures the Usart communication baud rate.
49                                            The baud rate is computed using the following formula:
50                                               Baud Rate Register[15:4] = ((2 * fclk_pres) /
51                                               ((huart->Init.BaudRate)))[15:4]
52                                               Baud Rate Register[3]    = 0
53                                               Baud Rate Register[2:0]  =  (((2 * fclk_pres) /
54                                               ((huart->Init.BaudRate)))[3:0]) >> 1
55                                               where fclk_pres is the USART input clock frequency (fclk)
56                                               divided by a prescaler.
57                                            @note  Oversampling by 8 is systematically applied to
58                                                   achieve high baud rates. */
59 
60   uint32_t WordLength;                /*!< Specifies the number of data bits transmitted or received in a frame.
61                                            This parameter can be a value of @ref USARTEx_Word_Length. */
62 
63   uint32_t StopBits;                  /*!< Specifies the number of stop bits transmitted.
64                                            This parameter can be a value of @ref USART_Stop_Bits. */
65 
66   uint32_t Parity;                   /*!< Specifies the parity mode.
67                                            This parameter can be a value of @ref USART_Parity
68                                            @note When parity is enabled, the computed parity is inserted
69                                                  at the MSB position of the transmitted data (9th bit when
70                                                  the word length is set to 9 data bits; 8th bit when the
71                                                  word length is set to 8 data bits). */
72 
73   uint32_t Mode;                      /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
74                                            This parameter can be a value of @ref USART_Mode. */
75 
76   uint32_t CLKPolarity;               /*!< Specifies the steady state of the serial clock.
77                                            This parameter can be a value of @ref USART_Clock_Polarity. */
78 
79   uint32_t CLKPhase;                  /*!< Specifies the clock transition on which the bit capture is made.
80                                            This parameter can be a value of @ref USART_Clock_Phase. */
81 
82   uint32_t CLKLastBit;                /*!< Specifies whether the clock pulse corresponding to the last transmitted
83                                            data bit (MSB) has to be output on the SCLK pin in synchronous mode.
84                                            This parameter can be a value of @ref USART_Last_Bit. */
85 
86   uint32_t ClockPrescaler;            /*!< Specifies the prescaler value used to divide the USART clock source.
87                                            This parameter can be a value of @ref USART_ClockPrescaler. */
88 } USART_InitTypeDef;
89 
90 /**
91   * @brief HAL USART State structures definition
92   */
93 typedef enum
94 {
95   HAL_USART_STATE_RESET             = 0x00U,    /*!< Peripheral is not initialized                  */
96   HAL_USART_STATE_READY             = 0x01U,    /*!< Peripheral Initialized and ready for use       */
97   HAL_USART_STATE_BUSY              = 0x02U,    /*!< an internal process is ongoing                 */
98   HAL_USART_STATE_BUSY_TX           = 0x12U,    /*!< Data Transmission process is ongoing           */
99   HAL_USART_STATE_BUSY_RX           = 0x22U,    /*!< Data Reception process is ongoing              */
100   HAL_USART_STATE_BUSY_TX_RX        = 0x32U,    /*!< Data Transmission Reception process is ongoing */
101   HAL_USART_STATE_TIMEOUT           = 0x03U,    /*!< Timeout state                                  */
102   HAL_USART_STATE_ERROR             = 0x04U     /*!< Error                                          */
103 } HAL_USART_StateTypeDef;
104 
105 /**
106   * @brief  USART clock sources definitions
107   */
108 typedef enum
109 {
110   USART_CLOCKSOURCE_PCLK1      = 0x00U,    /*!< PCLK1 clock source  */
111   USART_CLOCKSOURCE_PCLK2      = 0x01U,    /*!< PCLK2 clock source  */
112   USART_CLOCKSOURCE_PCLK5      = 0x02U,    /*!< PCLK5 clock source  (only used by UART1) */
113   USART_CLOCKSOURCE_PLL3Q      = 0x04U,    /*!< PLL3Q clock source  (only used by UART1) */
114   USART_CLOCKSOURCE_PLL4Q      = 0x08U,    /*!< PLL4Q clock source  */
115   USART_CLOCKSOURCE_HSI        = 0x10U,    /*!< HSI clock source    */
116   USART_CLOCKSOURCE_CSI        = 0x20U,    /*!< CSI clock source    */
117   USART_CLOCKSOURCE_HSE        = 0x40U,    /*!< HSE clock source    */
118   USART_CLOCKSOURCE_UNDEFINED  = 0x80U     /*!< Undefined clock source */
119 } USART_ClockSourceTypeDef;
120 
121 /**
122   * @brief  USART handle Structure definition
123   */
124 typedef struct __USART_HandleTypeDef
125 {
126   USART_TypeDef                 *Instance;               /*!< USART registers base address        */
127 
128   USART_InitTypeDef             Init;                    /*!< USART communication parameters      */
129 
130   const uint8_t                 *pTxBuffPtr;             /*!< Pointer to USART Tx transfer Buffer */
131 
132   uint16_t                      TxXferSize;              /*!< USART Tx Transfer size              */
133 
134   __IO uint16_t                 TxXferCount;             /*!< USART Tx Transfer Counter           */
135 
136   uint8_t                       *pRxBuffPtr;             /*!< Pointer to USART Rx transfer Buffer */
137 
138   uint16_t                      RxXferSize;              /*!< USART Rx Transfer size              */
139 
140   __IO uint16_t                 RxXferCount;             /*!< USART Rx Transfer Counter           */
141 
142   uint16_t                      Mask;                    /*!< USART Rx RDR register mask          */
143 
144   uint16_t                      NbRxDataToProcess;       /*!< Number of data to process during RX ISR execution */
145 
146   uint16_t                      NbTxDataToProcess;       /*!< Number of data to process during TX ISR execution */
147 
148   uint32_t                      SlaveMode;               /*!< Enable/Disable UART SPI Slave Mode. This parameter can be a value
149                                                               of @ref USARTEx_Slave_Mode */
150 
151   uint32_t                      FifoMode;                /*!< Specifies if the FIFO mode will be used. This parameter can be a value
152                                                               of @ref USARTEx_FIFO_mode. */
153 
154   void (*RxISR)(struct __USART_HandleTypeDef *husart);   /*!< Function pointer on Rx IRQ handler  */
155 
156   void (*TxISR)(struct __USART_HandleTypeDef *husart);   /*!< Function pointer on Tx IRQ handler  */
157 
158   DMA_HandleTypeDef             *hdmatx;                 /*!< USART Tx DMA Handle parameters      */
159 
160   DMA_HandleTypeDef             *hdmarx;                 /*!< USART Rx DMA Handle parameters      */
161 
162 #ifdef HAL_MDMA_MODULE_ENABLED
163   MDMA_HandleTypeDef            *hmdmatx;                /*!< USART Tx MDMA Handle parameters     */
164 
165   MDMA_HandleTypeDef            *hmdmarx;                /*!< USART Rx MDMA Handle parameters     */
166 #endif
167 
168   HAL_LockTypeDef               Lock;                    /*!< Locking object                      */
169 
170   __IO HAL_USART_StateTypeDef   State;                   /*!< USART communication state           */
171 
172   __IO uint32_t                 ErrorCode;               /*!< USART Error code                    */
173 
174 #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
175   void (* TxHalfCpltCallback)(struct __USART_HandleTypeDef *husart);        /*!< USART Tx Half Complete Callback        */
176   void (* TxCpltCallback)(struct __USART_HandleTypeDef *husart);            /*!< USART Tx Complete Callback             */
177   void (* RxHalfCpltCallback)(struct __USART_HandleTypeDef *husart);        /*!< USART Rx Half Complete Callback        */
178   void (* RxCpltCallback)(struct __USART_HandleTypeDef *husart);            /*!< USART Rx Complete Callback             */
179   void (* TxRxCpltCallback)(struct __USART_HandleTypeDef *husart);          /*!< USART Tx Rx Complete Callback          */
180   void (* ErrorCallback)(struct __USART_HandleTypeDef *husart);             /*!< USART Error Callback                   */
181   void (* AbortCpltCallback)(struct __USART_HandleTypeDef *husart);         /*!< USART Abort Complete Callback          */
182   void (* RxFifoFullCallback)(struct __USART_HandleTypeDef *husart);        /*!< USART Rx Fifo Full Callback            */
183   void (* TxFifoEmptyCallback)(struct __USART_HandleTypeDef *husart);       /*!< USART Tx Fifo Empty Callback           */
184 
185   void (* MspInitCallback)(struct __USART_HandleTypeDef *husart);           /*!< USART Msp Init callback                */
186   void (* MspDeInitCallback)(struct __USART_HandleTypeDef *husart);         /*!< USART Msp DeInit callback              */
187 #endif  /* USE_HAL_USART_REGISTER_CALLBACKS */
188 
189 } USART_HandleTypeDef;
190 
191 #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
192 /**
193   * @brief  HAL USART Callback ID enumeration definition
194   */
195 typedef enum
196 {
197   HAL_USART_TX_HALFCOMPLETE_CB_ID         = 0x00U,    /*!< USART Tx Half Complete Callback ID        */
198   HAL_USART_TX_COMPLETE_CB_ID             = 0x01U,    /*!< USART Tx Complete Callback ID             */
199   HAL_USART_RX_HALFCOMPLETE_CB_ID         = 0x02U,    /*!< USART Rx Half Complete Callback ID        */
200   HAL_USART_RX_COMPLETE_CB_ID             = 0x03U,    /*!< USART Rx Complete Callback ID             */
201   HAL_USART_TX_RX_COMPLETE_CB_ID          = 0x04U,    /*!< USART Tx Rx Complete Callback ID          */
202   HAL_USART_ERROR_CB_ID                   = 0x05U,    /*!< USART Error Callback ID                   */
203   HAL_USART_ABORT_COMPLETE_CB_ID          = 0x06U,    /*!< USART Abort Complete Callback ID          */
204   HAL_USART_RX_FIFO_FULL_CB_ID            = 0x07U,    /*!< USART Rx Fifo Full Callback ID            */
205   HAL_USART_TX_FIFO_EMPTY_CB_ID           = 0x08U,    /*!< USART Tx Fifo Empty Callback ID           */
206 
207   HAL_USART_MSPINIT_CB_ID                 = 0x09U,    /*!< USART MspInit callback ID                 */
208   HAL_USART_MSPDEINIT_CB_ID               = 0x0AU     /*!< USART MspDeInit callback ID               */
209 
210 } HAL_USART_CallbackIDTypeDef;
211 
212 /**
213   * @brief  HAL USART Callback pointer definition
214   */
215 typedef  void (*pUSART_CallbackTypeDef)(USART_HandleTypeDef *husart);  /*!< pointer to an USART callback function */
216 
217 #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
218 
219 /**
220   * @}
221   */
222 
223 /* Exported constants --------------------------------------------------------*/
224 /** @defgroup USART_Exported_Constants USART Exported Constants
225   * @{
226   */
227 
228 /** @defgroup USART_Error_Definition   USART Error Definition
229   * @{
230   */
231 #define HAL_USART_ERROR_NONE             (0x00000000U)    /*!< No error                  */
232 #define HAL_USART_ERROR_PE               (0x00000001U)    /*!< Parity error              */
233 #define HAL_USART_ERROR_NE               (0x00000002U)    /*!< Noise error               */
234 #define HAL_USART_ERROR_FE               (0x00000004U)    /*!< Frame error               */
235 #define HAL_USART_ERROR_ORE              (0x00000008U)    /*!< Overrun error             */
236 #define HAL_USART_ERROR_DMA              (0x00000010U)    /*!< DMA transfer error        */
237 #define HAL_USART_ERROR_UDR              (0x00000020U)    /*!< SPI slave underrun error  */
238 #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
239 #define HAL_USART_ERROR_INVALID_CALLBACK (0x00000040U)    /*!< Invalid Callback error    */
240 #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
241 #define  HAL_USART_ERROR_RTO              (0x00000080U)    /*!< Receiver Timeout error  */
242 /**
243   * @}
244   */
245 
246 /** @defgroup USART_Stop_Bits  USART Number of Stop Bits
247   * @{
248   */
249 #define USART_STOPBITS_0_5                   USART_CR2_STOP_0                     /*!< USART frame with 0.5 stop bit  */
250 #define USART_STOPBITS_1                     0x00000000U                          /*!< USART frame with 1 stop bit    */
251 #define USART_STOPBITS_1_5                  (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< USART frame with 1.5 stop bits */
252 #define USART_STOPBITS_2                     USART_CR2_STOP_1                     /*!< USART frame with 2 stop bits   */
253 /**
254   * @}
255   */
256 
257 /** @defgroup USART_Parity    USART Parity
258   * @{
259   */
260 #define USART_PARITY_NONE                   0x00000000U                      /*!< No parity   */
261 #define USART_PARITY_EVEN                   USART_CR1_PCE                    /*!< Even parity */
262 #define USART_PARITY_ODD                    (USART_CR1_PCE | USART_CR1_PS)   /*!< Odd parity  */
263 /**
264   * @}
265   */
266 
267 /** @defgroup USART_Mode   USART Mode
268   * @{
269   */
270 #define USART_MODE_RX                       USART_CR1_RE                    /*!< RX mode        */
271 #define USART_MODE_TX                       USART_CR1_TE                    /*!< TX mode        */
272 #define USART_MODE_TX_RX                    (USART_CR1_TE |USART_CR1_RE)    /*!< RX and TX mode */
273 /**
274   * @}
275   */
276 
277 /** @defgroup USART_Clock  USART Clock
278   * @{
279   */
280 #define USART_CLOCK_DISABLE                 0x00000000U       /*!< USART clock disable */
281 #define USART_CLOCK_ENABLE                  USART_CR2_CLKEN   /*!< USART clock enable  */
282 /**
283   * @}
284   */
285 
286 /** @defgroup USART_Clock_Polarity  USART Clock Polarity
287   * @{
288   */
289 #define USART_POLARITY_LOW                  0x00000000U      /*!< Driver enable signal is active high */
290 #define USART_POLARITY_HIGH                 USART_CR2_CPOL   /*!< Driver enable signal is active low  */
291 /**
292   * @}
293   */
294 
295 /** @defgroup USART_Clock_Phase   USART Clock Phase
296   * @{
297   */
298 #define USART_PHASE_1EDGE                   0x00000000U      /*!< USART frame phase on first clock transition  */
299 #define USART_PHASE_2EDGE                   USART_CR2_CPHA   /*!< USART frame phase on second clock transition */
300 /**
301   * @}
302   */
303 
304 /** @defgroup USART_Last_Bit  USART Last Bit
305   * @{
306   */
307 #define USART_LASTBIT_DISABLE               0x00000000U      /*!< USART frame last data bit clock pulse not output to SCLK pin */
308 #define USART_LASTBIT_ENABLE                USART_CR2_LBCL   /*!< USART frame last data bit clock pulse output to SCLK pin     */
309 /**
310   * @}
311   */
312 
313 /** @defgroup USART_ClockPrescaler  USART Clock Prescaler
314   * @{
315   */
316 #define USART_PRESCALER_DIV1    0x00000000U  /*!< fclk_pres = fclk     */
317 #define USART_PRESCALER_DIV2    0x00000001U  /*!< fclk_pres = fclk/2   */
318 #define USART_PRESCALER_DIV4    0x00000002U  /*!< fclk_pres = fclk/4   */
319 #define USART_PRESCALER_DIV6    0x00000003U  /*!< fclk_pres = fclk/6   */
320 #define USART_PRESCALER_DIV8    0x00000004U  /*!< fclk_pres = fclk/8   */
321 #define USART_PRESCALER_DIV10   0x00000005U  /*!< fclk_pres = fclk/10  */
322 #define USART_PRESCALER_DIV12   0x00000006U  /*!< fclk_pres = fclk/12  */
323 #define USART_PRESCALER_DIV16   0x00000007U  /*!< fclk_pres = fclk/16  */
324 #define USART_PRESCALER_DIV32   0x00000008U  /*!< fclk_pres = fclk/32  */
325 #define USART_PRESCALER_DIV64   0x00000009U  /*!< fclk_pres = fclk/64  */
326 #define USART_PRESCALER_DIV128  0x0000000AU  /*!< fclk_pres = fclk/128 */
327 #define USART_PRESCALER_DIV256  0x0000000BU  /*!< fclk_pres = fclk/256 */
328 
329 /**
330   * @}
331   */
332 
333 /** @defgroup USART_Request_Parameters  USART Request Parameters
334   * @{
335   */
336 #define USART_RXDATA_FLUSH_REQUEST        USART_RQR_RXFRQ        /*!< Receive Data flush Request  */
337 #define USART_TXDATA_FLUSH_REQUEST        USART_RQR_TXFRQ        /*!< Transmit data flush Request */
338 /**
339   * @}
340   */
341 
342 /** @defgroup USART_Flags      USART Flags
343   *        Elements values convention: 0xXXXX
344   *           - 0xXXXX  : Flag mask in the ISR register
345   * @{
346   */
347 #define USART_FLAG_TXFT                     USART_ISR_TXFT          /*!< USART TXFIFO threshold flag                */
348 #define USART_FLAG_RXFT                     USART_ISR_RXFT          /*!< USART RXFIFO threshold flag                */
349 #define USART_FLAG_RXFF                     USART_ISR_RXFF          /*!< USART RXFIFO Full flag                     */
350 #define USART_FLAG_TXFE                     USART_ISR_TXFE          /*!< USART TXFIFO Empty flag                    */
351 #define USART_FLAG_REACK                    USART_ISR_REACK         /*!< USART receive enable acknowledge flag      */
352 #define USART_FLAG_TEACK                    USART_ISR_TEACK         /*!< USART transmit enable acknowledge flag     */
353 #define USART_FLAG_BUSY                     USART_ISR_BUSY          /*!< USART busy flag                            */
354 #define USART_FLAG_UDR                      USART_ISR_UDR           /*!< SPI slave underrun error flag              */
355 #define USART_FLAG_TXE                      USART_ISR_TXE_TXFNF     /*!< USART transmit data register empty         */
356 #define USART_FLAG_TXFNF                    USART_ISR_TXE_TXFNF     /*!< USART TXFIFO not full                      */
357 #define USART_FLAG_RTOF                     USART_ISR_RTOF          /*!< USART receiver timeout flag                */
358 #define USART_FLAG_TC                       USART_ISR_TC            /*!< USART transmission complete                */
359 #define USART_FLAG_RXNE                     USART_ISR_RXNE_RXFNE    /*!< USART read data register not empty         */
360 #define USART_FLAG_RXFNE                    USART_ISR_RXNE_RXFNE    /*!< USART RXFIFO not empty                     */
361 #define USART_FLAG_IDLE                     USART_ISR_IDLE          /*!< USART idle flag                            */
362 #define USART_FLAG_ORE                      USART_ISR_ORE           /*!< USART overrun error                        */
363 #define USART_FLAG_NE                       USART_ISR_NE            /*!< USART noise error                          */
364 #define USART_FLAG_FE                       USART_ISR_FE            /*!< USART frame error                          */
365 #define USART_FLAG_PE                       USART_ISR_PE            /*!< USART parity error                         */
366 /**
367   * @}
368   */
369 
370 /** @defgroup USART_Interrupt_definition USART Interrupts Definition
371   *        Elements values convention: 0000ZZZZ0XXYYYYYb
372   *           - YYYYY  : Interrupt source position in the XX register (5bits)
373   *           - XX  : Interrupt source register (2bits)
374   *                 - 01: CR1 register
375   *                 - 10: CR2 register
376   *                 - 11: CR3 register
377   *           - ZZZZ  : Flag position in the ISR register(4bits)
378   * @{
379   */
380 
381 #define USART_IT_PE                          0x0028U     /*!< USART parity error interruption                 */
382 #define USART_IT_TXE                         0x0727U     /*!< USART transmit data register empty interruption */
383 #define USART_IT_TXFNF                       0x0727U     /*!< USART TX FIFO not full interruption             */
384 #define USART_IT_TC                          0x0626U     /*!< USART transmission complete interruption        */
385 #define USART_IT_RXNE                        0x0525U     /*!< USART read data register not empty interruption */
386 #define USART_IT_RXFNE                       0x0525U     /*!< USART RXFIFO not empty interruption             */
387 #define USART_IT_IDLE                        0x0424U     /*!< USART idle interruption                         */
388 #define USART_IT_ERR                         0x0060U     /*!< USART error interruption                        */
389 #define USART_IT_ORE                         0x0300U     /*!< USART overrun error interruption                */
390 #define USART_IT_NE                          0x0200U     /*!< USART noise error interruption                  */
391 #define USART_IT_FE                          0x0100U     /*!< USART frame error interruption                  */
392 #define USART_IT_RXFF                        0x183FU     /*!< USART RXFIFO full interruption                  */
393 #define USART_IT_TXFE                        0x173EU     /*!< USART TXFIFO empty interruption                 */
394 #define USART_IT_RXFT                        0x1A7CU     /*!< USART RXFIFO threshold reached interruption     */
395 #define USART_IT_TXFT                        0x1B77U     /*!< USART TXFIFO threshold reached interruption     */
396 
397 /**
398   * @}
399   */
400 
401 /** @defgroup USART_IT_CLEAR_Flags    USART Interruption Clear Flags
402   * @{
403   */
404 #define USART_CLEAR_PEF                       USART_ICR_PECF            /*!< Parity Error Clear Flag             */
405 #define USART_CLEAR_FEF                       USART_ICR_FECF            /*!< Framing Error Clear Flag            */
406 #define USART_CLEAR_NEF                       USART_ICR_NECF            /*!< Noise Error detected Clear Flag     */
407 #define USART_CLEAR_OREF                      USART_ICR_ORECF           /*!< OverRun Error Clear Flag            */
408 #define USART_CLEAR_IDLEF                     USART_ICR_IDLECF          /*!< IDLE line detected Clear Flag       */
409 #define USART_CLEAR_TCF                       USART_ICR_TCCF            /*!< Transmission Complete Clear Flag    */
410 #define USART_CLEAR_UDRF                      USART_ICR_UDRCF           /*!< SPI slave underrun error Clear Flag */
411 #define USART_CLEAR_TXFECF                    USART_ICR_TXFECF          /*!< TXFIFO Empty Clear Flag             */
412 #define USART_CLEAR_RTOF                      USART_ICR_RTOCF           /*!< USART receiver timeout clear flag  */
413 /**
414   * @}
415   */
416 
417 /** @defgroup USART_Interruption_Mask    USART Interruption Flags Mask
418   * @{
419   */
420 #define USART_IT_MASK                             0x001FU     /*!< USART interruptions flags mask */
421 #define USART_CR_MASK                             0x00E0U     /*!< USART control register mask */
422 #define USART_CR_POS                              5U          /*!< USART control register position */
423 #define USART_ISR_MASK                            0x1F00U     /*!< USART ISR register mask         */
424 #define USART_ISR_POS                             8U          /*!< USART ISR register position     */
425 /**
426   * @}
427   */
428 
429 /**
430   * @}
431   */
432 
433 /* Exported macros -----------------------------------------------------------*/
434 /** @defgroup USART_Exported_Macros USART Exported Macros
435   * @{
436   */
437 
438 /** @brief Reset USART handle state.
439   * @param  __HANDLE__ USART handle.
440   * @retval None
441   */
442 #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
443 #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__)  do{                                            \
444                                                         (__HANDLE__)->State = HAL_USART_STATE_RESET; \
445                                                         (__HANDLE__)->MspInitCallback = NULL;        \
446                                                         (__HANDLE__)->MspDeInitCallback = NULL;      \
447                                                       } while(0U)
448 #else
449 #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__)  ((__HANDLE__)->State = HAL_USART_STATE_RESET)
450 #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
451 
452 /** @brief  Check whether the specified USART flag is set or not.
453   * @param  __HANDLE__ specifies the USART Handle
454   * @param  __FLAG__ specifies the flag to check.
455   *        This parameter can be one of the following values:
456   *            @arg @ref USART_FLAG_TXFT  TXFIFO threshold flag
457   *            @arg @ref USART_FLAG_RXFT  RXFIFO threshold flag
458   *            @arg @ref USART_FLAG_RXFF  RXFIFO Full flag
459   *            @arg @ref USART_FLAG_TXFE  TXFIFO Empty flag
460   *            @arg @ref USART_FLAG_REACK Receive enable acknowledge flag
461   *            @arg @ref USART_FLAG_TEACK Transmit enable acknowledge flag
462   *            @arg @ref USART_FLAG_BUSY  Busy flag
463   *            @arg @ref USART_FLAG_UDR   SPI slave underrun error flag
464   *            @arg @ref USART_FLAG_TXE   Transmit data register empty flag
465   *            @arg @ref USART_FLAG_TXFNF TXFIFO not full flag
466   *            @arg @ref USART_FLAG_TC    Transmission Complete flag
467   *            @arg @ref USART_FLAG_RXNE  Receive data register not empty flag
468   *            @arg @ref USART_FLAG_RXFNE RXFIFO not empty flag
469   *            @arg @ref USART_FLAG_RTOF  Receiver Timeout flag
470   *            @arg @ref USART_FLAG_IDLE  Idle Line detection flag
471   *            @arg @ref USART_FLAG_ORE   OverRun Error flag
472   *            @arg @ref USART_FLAG_NE    Noise Error flag
473   *            @arg @ref USART_FLAG_FE    Framing Error flag
474   *            @arg @ref USART_FLAG_PE    Parity Error flag
475   * @retval The new state of __FLAG__ (TRUE or FALSE).
476   */
477 #define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))
478 
479 /** @brief  Clear the specified USART pending flag.
480   * @param  __HANDLE__ specifies the USART Handle.
481   * @param  __FLAG__ specifies the flag to check.
482   *          This parameter can be any combination of the following values:
483   *            @arg @ref USART_CLEAR_PEF      Parity Error Clear Flag
484   *            @arg @ref USART_CLEAR_FEF      Framing Error Clear Flag
485   *            @arg @ref USART_CLEAR_NEF      Noise detected Clear Flag
486   *            @arg @ref USART_CLEAR_OREF     Overrun Error Clear Flag
487   *            @arg @ref USART_CLEAR_IDLEF    IDLE line detected Clear Flag
488   *            @arg @ref USART_CLEAR_TXFECF   TXFIFO empty clear Flag
489   *            @arg @ref USART_CLEAR_TCF      Transmission Complete Clear Flag
490   *            @arg @ref USART_CLEAR_RTOF     Receiver Timeout clear flag
491   *            @arg @ref USART_CLEAR_UDRF     SPI slave underrun error Clear Flag
492   * @retval None
493   */
494 #define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))
495 
496 /** @brief  Clear the USART PE pending flag.
497   * @param  __HANDLE__ specifies the USART Handle.
498   * @retval None
499   */
500 #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__)   __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_PEF)
501 
502 /** @brief  Clear the USART FE pending flag.
503   * @param  __HANDLE__ specifies the USART Handle.
504   * @retval None
505   */
506 #define __HAL_USART_CLEAR_FEFLAG(__HANDLE__)   __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_FEF)
507 
508 /** @brief  Clear the USART NE pending flag.
509   * @param  __HANDLE__ specifies the USART Handle.
510   * @retval None
511   */
512 #define __HAL_USART_CLEAR_NEFLAG(__HANDLE__)  __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_NEF)
513 
514 /** @brief  Clear the USART ORE pending flag.
515   * @param  __HANDLE__ specifies the USART Handle.
516   * @retval None
517   */
518 #define __HAL_USART_CLEAR_OREFLAG(__HANDLE__)   __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_OREF)
519 
520 /** @brief  Clear the USART IDLE pending flag.
521   * @param  __HANDLE__ specifies the USART Handle.
522   * @retval None
523   */
524 #define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__)   __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_IDLEF)
525 
526 /** @brief  Clear the USART TX FIFO empty clear flag.
527   * @param  __HANDLE__ specifies the USART Handle.
528   * @retval None
529   */
530 #define __HAL_USART_CLEAR_TXFECF(__HANDLE__)   __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_TXFECF)
531 
532 /** @brief  Clear SPI slave underrun error flag.
533   * @param  __HANDLE__ specifies the USART Handle.
534   * @retval None
535   */
536 #define __HAL_USART_CLEAR_UDRFLAG(__HANDLE__)   __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_UDRF)
537 
538 /** @brief  Enable the specified USART interrupt.
539   * @param  __HANDLE__ specifies the USART Handle.
540   * @param  __INTERRUPT__ specifies the USART interrupt source to enable.
541   *          This parameter can be one of the following values:
542   *            @arg @ref USART_IT_RXFF  RXFIFO Full interrupt
543   *            @arg @ref USART_IT_TXFE  TXFIFO Empty interrupt
544   *            @arg @ref USART_IT_RXFT  RXFIFO threshold interrupt
545   *            @arg @ref USART_IT_TXFT  TXFIFO threshold interrupt
546   *            @arg @ref USART_IT_TXE   Transmit Data Register empty interrupt
547   *            @arg @ref USART_IT_TXFNF TX FIFO not full interrupt
548   *            @arg @ref USART_IT_TC    Transmission complete interrupt
549   *            @arg @ref USART_IT_RXNE  Receive Data register not empty interrupt
550   *            @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt
551   *            @arg @ref USART_IT_IDLE  Idle line detection interrupt
552   *            @arg @ref USART_IT_PE    Parity Error interrupt
553   *            @arg @ref USART_IT_ERR   Error interrupt(Frame error, noise error, overrun error)
554   * @retval None
555   */
556 #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__)\
557   (((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 1U)?\
558    ((__HANDLE__)->Instance->CR1 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
559    ((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 2U)?\
560    ((__HANDLE__)->Instance->CR2 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
561    ((__HANDLE__)->Instance->CR3 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))))
562 
563 /** @brief  Disable the specified USART interrupt.
564   * @param  __HANDLE__ specifies the USART Handle.
565   * @param  __INTERRUPT__ specifies the USART interrupt source to disable.
566   *          This parameter can be one of the following values:
567   *            @arg @ref USART_IT_RXFF  RXFIFO Full interrupt
568   *            @arg @ref USART_IT_TXFE  TXFIFO Empty interrupt
569   *            @arg @ref USART_IT_RXFT  RXFIFO threshold interrupt
570   *            @arg @ref USART_IT_TXFT  TXFIFO threshold interrupt
571   *            @arg @ref USART_IT_TXE   Transmit Data Register empty interrupt
572   *            @arg @ref USART_IT_TXFNF TX FIFO not full interrupt
573   *            @arg @ref USART_IT_TC    Transmission complete interrupt
574   *            @arg @ref USART_IT_RXNE  Receive Data register not empty interrupt
575   *            @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt
576   *            @arg @ref USART_IT_IDLE  Idle line detection interrupt
577   *            @arg @ref USART_IT_PE    Parity Error interrupt
578   *            @arg @ref USART_IT_ERR   Error interrupt(Frame error, noise error, overrun error)
579   * @retval None
580   */
581 #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__)\
582   (((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 1U)?\
583    ((__HANDLE__)->Instance->CR1 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
584    ((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 2U)?\
585    ((__HANDLE__)->Instance->CR2 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
586    ((__HANDLE__)->Instance->CR3 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))))
587 
588 /** @brief  Check whether the specified USART interrupt has occurred or not.
589   * @param  __HANDLE__ specifies the USART Handle.
590   * @param  __INTERRUPT__ specifies the USART interrupt source to check.
591   *          This parameter can be one of the following values:
592   *            @arg @ref USART_IT_RXFF  RXFIFO Full interrupt
593   *            @arg @ref USART_IT_TXFE  TXFIFO Empty interrupt
594   *            @arg @ref USART_IT_RXFT  RXFIFO threshold interrupt
595   *            @arg @ref USART_IT_TXFT  TXFIFO threshold interrupt
596   *            @arg @ref USART_IT_TXE   Transmit Data Register empty interrupt
597   *            @arg @ref USART_IT_TXFNF TX FIFO not full interrupt
598   *            @arg @ref USART_IT_TC    Transmission complete interrupt
599   *            @arg @ref USART_IT_RXNE  Receive Data register not empty interrupt
600   *            @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt
601   *            @arg @ref USART_IT_IDLE  Idle line detection interrupt
602   *            @arg @ref USART_IT_ORE   OverRun Error interrupt
603   *            @arg @ref USART_IT_NE    Noise Error interrupt
604   *            @arg @ref USART_IT_FE    Framing Error interrupt
605   *            @arg @ref USART_IT_PE    Parity Error interrupt
606   * @retval The new state of __INTERRUPT__ (SET or RESET).
607   */
608 #define __HAL_USART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR\
609                                                          & (0x01U << (((__INTERRUPT__) & USART_ISR_MASK)>>\
610                                                                       USART_ISR_POS))) != 0U) ? SET : RESET)
611 
612 /** @brief  Check whether the specified USART interrupt source is enabled or not.
613   * @param  __HANDLE__ specifies the USART Handle.
614   * @param  __INTERRUPT__ specifies the USART interrupt source to check.
615   *          This parameter can be one of the following values:
616   *            @arg @ref USART_IT_RXFF  RXFIFO Full interrupt
617   *            @arg @ref USART_IT_TXFE  TXFIFO Empty interrupt
618   *            @arg @ref USART_IT_RXFT  RXFIFO threshold interrupt
619   *            @arg @ref USART_IT_TXFT  TXFIFO threshold interrupt
620   *            @arg @ref USART_IT_TXE   Transmit Data Register empty interrupt
621   *            @arg @ref USART_IT_TXFNF TX FIFO not full interrupt
622   *            @arg @ref USART_IT_TC    Transmission complete interrupt
623   *            @arg @ref USART_IT_RXNE  Receive Data register not empty interrupt
624   *            @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt
625   *            @arg @ref USART_IT_IDLE  Idle line detection interrupt
626   *            @arg @ref USART_IT_ORE   OverRun Error interrupt
627   *            @arg @ref USART_IT_NE    Noise Error interrupt
628   *            @arg @ref USART_IT_FE    Framing Error interrupt
629   *            @arg @ref USART_IT_PE    Parity Error interrupt
630   * @retval The new state of __INTERRUPT__ (SET or RESET).
631   */
632 #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x01U) ?\
633                                                                  (__HANDLE__)->Instance->CR1 : \
634                                                                  (((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x02U) ?\
635                                                                   (__HANDLE__)->Instance->CR2 : \
636                                                                   (__HANDLE__)->Instance->CR3)) & (0x01U <<\
637                                                                       (((uint16_t)(__INTERRUPT__)) &\
638                                                                        USART_IT_MASK)))  != 0U) ? SET : RESET)
639 
640 /** @brief  Clear the specified USART ISR flag, in setting the proper ICR register flag.
641   * @param  __HANDLE__ specifies the USART Handle.
642   * @param  __IT_CLEAR__ specifies the interrupt clear register flag that needs to be set
643   *                       to clear the corresponding interrupt.
644   *          This parameter can be one of the following values:
645   *            @arg @ref USART_CLEAR_PEF      Parity Error Clear Flag
646   *            @arg @ref USART_CLEAR_FEF      Framing Error Clear Flag
647   *            @arg @ref USART_CLEAR_NEF      Noise detected Clear Flag
648   *            @arg @ref USART_CLEAR_OREF     Overrun Error Clear Flag
649   *            @arg @ref USART_CLEAR_IDLEF    IDLE line detected Clear Flag
650   *            @arg @ref USART_CLEAR_RTOF     Receiver timeout clear flag
651   *            @arg @ref USART_CLEAR_TXFECF   TXFIFO empty clear Flag
652   *            @arg @ref USART_CLEAR_TCF      Transmission Complete Clear Flag
653   * @retval None
654   */
655 #define __HAL_USART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))
656 
657 /** @brief  Set a specific USART request flag.
658   * @param  __HANDLE__ specifies the USART Handle.
659   * @param  __REQ__ specifies the request flag to set.
660   *          This parameter can be one of the following values:
661   *            @arg @ref USART_RXDATA_FLUSH_REQUEST Receive Data flush Request
662   *            @arg @ref USART_TXDATA_FLUSH_REQUEST Transmit data flush Request
663   *
664   * @retval None
665   */
666 #define __HAL_USART_SEND_REQ(__HANDLE__, __REQ__)      ((__HANDLE__)->Instance->RQR |= (uint16_t)(__REQ__))
667 
668 /** @brief  Enable the USART one bit sample method.
669   * @param  __HANDLE__ specifies the USART Handle.
670   * @retval None
671   */
672 #define __HAL_USART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
673 
674 /** @brief  Disable the USART one bit sample method.
675   * @param  __HANDLE__ specifies the USART Handle.
676   * @retval None
677   */
678 #define __HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT)
679 
680 /** @brief  Enable USART.
681   * @param  __HANDLE__ specifies the USART Handle.
682   * @retval None
683   */
684 #define __HAL_USART_ENABLE(__HANDLE__)                 ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
685 
686 /** @brief  Disable USART.
687   * @param  __HANDLE__ specifies the USART Handle.
688   * @retval None
689   */
690 #define __HAL_USART_DISABLE(__HANDLE__)                ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
691 
692 /**
693   * @}
694   */
695 
696 /* Private macros --------------------------------------------------------*/
697 /** @defgroup USART_Private_Macros   USART Private Macros
698   * @{
699   */
700 
701 /** @brief  Get USART clock division factor from clock prescaler value.
702   * @param  __CLOCKPRESCALER__ USART prescaler value.
703   * @retval USART clock division factor
704   */
705 #define USART_GET_DIV_FACTOR(__CLOCKPRESCALER__) \
706   (((__CLOCKPRESCALER__) == USART_PRESCALER_DIV1)   ? 1U :       \
707    ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV2)   ? 2U :       \
708    ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV4)   ? 4U :       \
709    ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV6)   ? 6U :       \
710    ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV8)   ? 8U :       \
711    ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV10)  ? 10U :      \
712    ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV12)  ? 12U :      \
713    ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV16)  ? 16U :      \
714    ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV32)  ? 32U :      \
715    ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV64)  ? 64U :      \
716    ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV128) ? 128U :     \
717    ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV256) ? 256U : 1U)
718 
719 /** @brief  BRR division operation to set BRR register in 8-bit oversampling mode.
720   * @param  __PCLK__ USART clock.
721   * @param  __BAUD__ Baud rate set by the user.
722   * @param  __CLOCKPRESCALER__ USART prescaler value.
723   * @retval Division result
724   */
725 #define USART_DIV_SAMPLING8(__PCLK__, __BAUD__, __CLOCKPRESCALER__)\
726   (((((__PCLK__)/USART_GET_DIV_FACTOR(__CLOCKPRESCALER__))*2U)\
727     + ((__BAUD__)/2U)) / (__BAUD__))
728 
729 /** @brief  Report the USART clock source.
730   * @param  __HANDLE__ specifies the USART Handle.
731   * @param  __CLOCKSOURCE__ output variable.
732   * @retval the USART clocking source, written in __CLOCKSOURCE__.
733   */
734 #define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)       \
735   do {                                                         \
736     if((__HANDLE__)->Instance == USART1)                       \
737     {                                                          \
738       switch(__HAL_RCC_GET_USART1_SOURCE())                    \
739       {                                                        \
740         case RCC_USART1CLKSOURCE_PCLK5:                        \
741           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK5;         \
742           break;                                               \
743         case RCC_USART1CLKSOURCE_PLL3:                         \
744           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PLL3Q;         \
745           break;                                               \
746         case RCC_USART1CLKSOURCE_HSI:                          \
747           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI;           \
748           break;                                               \
749         case RCC_USART1CLKSOURCE_CSI:                          \
750           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_CSI;           \
751           break;                                               \
752         case RCC_USART1CLKSOURCE_PLL4:                         \
753           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PLL4Q;         \
754           break;                                               \
755         case RCC_USART1CLKSOURCE_HSE:                          \
756           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSE;           \
757           break;                                               \
758         default:                                               \
759           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;     \
760           break;                                               \
761       }                                                        \
762     }                                                          \
763     else if((__HANDLE__)->Instance == USART2)                  \
764     {                                                          \
765       switch(__HAL_RCC_GET_UART24_SOURCE())                    \
766       {                                                        \
767         case RCC_UART24CLKSOURCE_PCLK1:                        \
768           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;         \
769           break;                                               \
770         case RCC_UART24CLKSOURCE_PLL4:                         \
771           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PLL4Q;         \
772           break;                                               \
773         case RCC_UART24CLKSOURCE_HSI:                          \
774           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI;           \
775           break;                                               \
776         case RCC_UART24CLKSOURCE_CSI:                          \
777           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_CSI;           \
778           break;                                               \
779         case RCC_UART24CLKSOURCE_HSE:                          \
780           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSE;           \
781           break;                                               \
782         default:                                               \
783           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;     \
784           break;                                               \
785       }                                                        \
786     }                                                          \
787     else if((__HANDLE__)->Instance == USART3)                  \
788     {                                                          \
789       switch(__HAL_RCC_GET_UART35_SOURCE())                    \
790       {                                                        \
791         case RCC_UART35CLKSOURCE_PCLK1:                        \
792           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;         \
793           break;                                               \
794         case RCC_UART35CLKSOURCE_PLL4:                         \
795           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PLL4Q;         \
796           break;                                               \
797         case RCC_UART35CLKSOURCE_HSI:                          \
798           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI;           \
799           break;                                               \
800         case RCC_UART35CLKSOURCE_CSI:                          \
801           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_CSI;           \
802           break;                                               \
803         case RCC_UART35CLKSOURCE_HSE:                          \
804           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSE;           \
805           break;                                               \
806         default:                                               \
807           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;     \
808           break;                                               \
809       }                                                        \
810     }                                                          \
811     else if((__HANDLE__)->Instance == USART6)                  \
812     {                                                          \
813       switch(__HAL_RCC_GET_USART6_SOURCE())                    \
814       {                                                        \
815         case RCC_USART6CLKSOURCE_PCLK2:                        \
816           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK2;         \
817           break;                                               \
818         case RCC_USART6CLKSOURCE_PLL4:                         \
819           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PLL4Q;         \
820           break;                                               \
821         case RCC_USART6CLKSOURCE_HSI:                          \
822           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI;           \
823           break;                                               \
824         case RCC_USART6CLKSOURCE_CSI:                          \
825           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_CSI;           \
826           break;                                               \
827         case RCC_USART6CLKSOURCE_HSE:                          \
828           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSE;           \
829           break;                                               \
830         default:                                               \
831           (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;     \
832           break;                                               \
833       }                                                        \
834     }                                                          \
835     else                                                       \
836     {                                                          \
837       (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;         \
838     }                                                          \
839   } while(0)
840 
841 /** @brief  Check USART Baud rate.
842   * @param  __BAUDRATE__ Baudrate specified by the user.
843   *         The maximum Baud Rate is derived from the maximum clock on MP1 (i.e. 100 MHz)
844   *         divided by the smallest oversampling used on the USART (i.e. 8)
845   * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid)  */
846 #define IS_USART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) <= 12500001U)
847 
848 /**
849   * @brief Ensure that USART frame number of stop bits is valid.
850   * @param __STOPBITS__ USART frame number of stop bits.
851   * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid)
852   */
853 #define IS_USART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == USART_STOPBITS_0_5) || \
854                                          ((__STOPBITS__) == USART_STOPBITS_1)   || \
855                                          ((__STOPBITS__) == USART_STOPBITS_1_5) || \
856                                          ((__STOPBITS__) == USART_STOPBITS_2))
857 
858 /**
859   * @brief Ensure that USART frame parity is valid.
860   * @param __PARITY__ USART frame parity.
861   * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid)
862   */
863 #define IS_USART_PARITY(__PARITY__) (((__PARITY__) == USART_PARITY_NONE) || \
864                                      ((__PARITY__) == USART_PARITY_EVEN) || \
865                                      ((__PARITY__) == USART_PARITY_ODD))
866 
867 /**
868   * @brief Ensure that USART communication mode is valid.
869   * @param __MODE__ USART communication mode.
870   * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
871   */
872 #define IS_USART_MODE(__MODE__) ((((__MODE__) & 0xFFFFFFF3U) == 0x00U) && ((__MODE__) != 0x00U))
873 
874 /**
875   * @brief Ensure that USART clock state is valid.
876   * @param __CLOCK__ USART clock state.
877   * @retval SET (__CLOCK__ is valid) or RESET (__CLOCK__ is invalid)
878   */
879 #define IS_USART_CLOCK(__CLOCK__) (((__CLOCK__) == USART_CLOCK_DISABLE) || \
880                                    ((__CLOCK__) == USART_CLOCK_ENABLE))
881 
882 /**
883   * @brief Ensure that USART frame polarity is valid.
884   * @param __CPOL__ USART frame polarity.
885   * @retval SET (__CPOL__ is valid) or RESET (__CPOL__ is invalid)
886   */
887 #define IS_USART_POLARITY(__CPOL__) (((__CPOL__) == USART_POLARITY_LOW) || ((__CPOL__) == USART_POLARITY_HIGH))
888 
889 /**
890   * @brief Ensure that USART frame phase is valid.
891   * @param __CPHA__ USART frame phase.
892   * @retval SET (__CPHA__ is valid) or RESET (__CPHA__ is invalid)
893   */
894 #define IS_USART_PHASE(__CPHA__) (((__CPHA__) == USART_PHASE_1EDGE) || ((__CPHA__) == USART_PHASE_2EDGE))
895 
896 /**
897   * @brief Ensure that USART frame last bit clock pulse setting is valid.
898   * @param __LASTBIT__ USART frame last bit clock pulse setting.
899   * @retval SET (__LASTBIT__ is valid) or RESET (__LASTBIT__ is invalid)
900   */
901 #define IS_USART_LASTBIT(__LASTBIT__) (((__LASTBIT__) == USART_LASTBIT_DISABLE) || \
902                                        ((__LASTBIT__) == USART_LASTBIT_ENABLE))
903 
904 /**
905   * @brief Ensure that USART request parameter is valid.
906   * @param __PARAM__ USART request parameter.
907   * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid)
908   */
909 #define IS_USART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == USART_RXDATA_FLUSH_REQUEST) || \
910                                                ((__PARAM__) == USART_TXDATA_FLUSH_REQUEST))
911 
912 /**
913   * @brief Ensure that USART Prescaler is valid.
914   * @param __CLOCKPRESCALER__ USART Prescaler value.
915   * @retval SET (__CLOCKPRESCALER__ is valid) or RESET (__CLOCKPRESCALER__ is invalid)
916   */
917 #define IS_USART_PRESCALER(__CLOCKPRESCALER__) (((__CLOCKPRESCALER__) == USART_PRESCALER_DIV1) || \
918                                                 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV2) || \
919                                                 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV4) || \
920                                                 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV6) || \
921                                                 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV8) || \
922                                                 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV10) || \
923                                                 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV12) || \
924                                                 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV16) || \
925                                                 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV32) || \
926                                                 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV64) || \
927                                                 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV128) || \
928                                                 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV256))
929 
930 /**
931   * @}
932   */
933 
934 /* Include USART HAL Extended module */
935 #include "stm32mp1xx_hal_usart_ex.h"
936 
937 /* Exported functions --------------------------------------------------------*/
938 /** @addtogroup USART_Exported_Functions USART Exported Functions
939   * @{
940   */
941 
942 /** @addtogroup USART_Exported_Functions_Group1 Initialization and de-initialization functions
943   * @{
944   */
945 
946 /* Initialization and de-initialization functions  ****************************/
947 HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart);
948 HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart);
949 void HAL_USART_MspInit(USART_HandleTypeDef *husart);
950 void HAL_USART_MspDeInit(USART_HandleTypeDef *husart);
951 
952 /* Callbacks Register/UnRegister functions  ***********************************/
953 #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
954 HAL_StatusTypeDef HAL_USART_RegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID,
955                                              pUSART_CallbackTypeDef pCallback);
956 HAL_StatusTypeDef HAL_USART_UnRegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID);
957 #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
958 
959 /**
960   * @}
961   */
962 
963 /** @addtogroup USART_Exported_Functions_Group2 IO operation functions
964   * @{
965   */
966 
967 /* IO operation functions *****************************************************/
968 HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size,
969                                      uint32_t Timeout);
970 HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
971 HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData,
972                                             uint16_t Size, uint32_t Timeout);
973 HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size);
974 HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
975 HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData,
976                                                uint16_t Size);
977 HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size);
978 HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
979 HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData,
980                                                 uint16_t Size);
981 HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart);
982 HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart);
983 HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart);
984 /* Transfer Abort functions */
985 HAL_StatusTypeDef HAL_USART_Abort(USART_HandleTypeDef *husart);
986 HAL_StatusTypeDef HAL_USART_Abort_IT(USART_HandleTypeDef *husart);
987 
988 void HAL_USART_IRQHandler(USART_HandleTypeDef *husart);
989 void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart);
990 void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart);
991 void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart);
992 void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart);
993 void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart);
994 void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart);
995 void HAL_USART_AbortCpltCallback(USART_HandleTypeDef *husart);
996 
997 /**
998   * @}
999   */
1000 
1001 /** @addtogroup USART_Exported_Functions_Group4 Peripheral State and Error functions
1002   * @{
1003   */
1004 
1005 /* Peripheral State and Error functions ***************************************/
1006 HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart);
1007 uint32_t               HAL_USART_GetError(USART_HandleTypeDef *husart);
1008 
1009 /**
1010   * @}
1011   */
1012 
1013 /**
1014   * @}
1015   */
1016 
1017 /**
1018   * @}
1019   */
1020 
1021 /**
1022   * @}
1023   */
1024 
1025 #ifdef __cplusplus
1026 }
1027 #endif
1028 
1029 #endif /* STM32MP1xx_HAL_USART_H */
1030