1 /**
2   ******************************************************************************
3   * @file    stm32g4xx_hal_uart_ex.h
4   * @author  MCD Application Team
5   * @brief   Header file of UART HAL Extended 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 STM32G4xx_HAL_UART_EX_H
21 #define STM32G4xx_HAL_UART_EX_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32g4xx_hal_def.h"
29 
30 /** @addtogroup STM32G4xx_HAL_Driver
31   * @{
32   */
33 
34 /** @addtogroup UARTEx
35   * @{
36   */
37 
38 /* Exported types ------------------------------------------------------------*/
39 /** @defgroup UARTEx_Exported_Types UARTEx Exported Types
40   * @{
41   */
42 
43 /**
44   * @brief  UART wake up from stop mode parameters
45   */
46 typedef struct
47 {
48   uint32_t WakeUpEvent;        /*!< Specifies which event will activate the Wakeup from Stop mode flag (WUF).
49                                     This parameter can be a value of @ref UART_WakeUp_from_Stop_Selection.
50                                     If set to UART_WAKEUP_ON_ADDRESS, the two other fields below must
51                                     be filled up. */
52 
53   uint16_t AddressLength;      /*!< Specifies whether the address is 4 or 7-bit long.
54                                     This parameter can be a value of @ref UARTEx_WakeUp_Address_Length.  */
55 
56   uint8_t Address;             /*!< UART/USART node address (7-bit long max). */
57 } UART_WakeUpTypeDef;
58 
59 /**
60   * @}
61   */
62 
63 /* Exported constants --------------------------------------------------------*/
64 /** @defgroup UARTEx_Exported_Constants UARTEx Exported Constants
65   * @{
66   */
67 
68 /** @defgroup UARTEx_Word_Length UARTEx Word Length
69   * @{
70   */
71 #define UART_WORDLENGTH_7B          USART_CR1_M1   /*!< 7-bit long UART frame */
72 #define UART_WORDLENGTH_8B          0x00000000U    /*!< 8-bit long UART frame */
73 #define UART_WORDLENGTH_9B          USART_CR1_M0   /*!< 9-bit long UART frame */
74 /**
75   * @}
76   */
77 
78 /** @defgroup UARTEx_WakeUp_Address_Length UARTEx WakeUp Address Length
79   * @{
80   */
81 #define UART_ADDRESS_DETECT_4B      0x00000000U      /*!< 4-bit long wake-up address */
82 #define UART_ADDRESS_DETECT_7B      USART_CR2_ADDM7  /*!< 7-bit long wake-up address */
83 /**
84   * @}
85   */
86 
87 /** @defgroup UARTEx_FIFO_mode UARTEx FIFO mode
88   * @brief    UART FIFO mode
89   * @{
90   */
91 #define UART_FIFOMODE_DISABLE       0x00000000U       /*!< FIFO mode disable */
92 #define UART_FIFOMODE_ENABLE        USART_CR1_FIFOEN  /*!< FIFO mode enable  */
93 /**
94   * @}
95   */
96 
97 /** @defgroup UARTEx_TXFIFO_threshold_level UARTEx TXFIFO threshold level
98   * @brief    UART TXFIFO threshold level
99   * @{
100   */
101 #define UART_TXFIFO_THRESHOLD_1_8   0x00000000U                               /*!< TX FIFO reaches 1/8 of its depth */
102 #define UART_TXFIFO_THRESHOLD_1_4   USART_CR3_TXFTCFG_0                       /*!< TX FIFO reaches 1/4 of its depth */
103 #define UART_TXFIFO_THRESHOLD_1_2   USART_CR3_TXFTCFG_1                       /*!< TX FIFO reaches 1/2 of its depth */
104 #define UART_TXFIFO_THRESHOLD_3_4   (USART_CR3_TXFTCFG_0|USART_CR3_TXFTCFG_1) /*!< TX FIFO reaches 3/4 of its depth */
105 #define UART_TXFIFO_THRESHOLD_7_8   USART_CR3_TXFTCFG_2                       /*!< TX FIFO reaches 7/8 of its depth */
106 #define UART_TXFIFO_THRESHOLD_8_8   (USART_CR3_TXFTCFG_2|USART_CR3_TXFTCFG_0) /*!< TX FIFO becomes empty            */
107 /**
108   * @}
109   */
110 
111 /** @defgroup UARTEx_RXFIFO_threshold_level UARTEx RXFIFO threshold level
112   * @brief    UART RXFIFO threshold level
113   * @{
114   */
115 #define UART_RXFIFO_THRESHOLD_1_8   0x00000000U                               /*!< RX FIFO reaches 1/8 of its depth */
116 #define UART_RXFIFO_THRESHOLD_1_4   USART_CR3_RXFTCFG_0                       /*!< RX FIFO reaches 1/4 of its depth */
117 #define UART_RXFIFO_THRESHOLD_1_2   USART_CR3_RXFTCFG_1                       /*!< RX FIFO reaches 1/2 of its depth */
118 #define UART_RXFIFO_THRESHOLD_3_4   (USART_CR3_RXFTCFG_0|USART_CR3_RXFTCFG_1) /*!< RX FIFO reaches 3/4 of its depth */
119 #define UART_RXFIFO_THRESHOLD_7_8   USART_CR3_RXFTCFG_2                       /*!< RX FIFO reaches 7/8 of its depth */
120 #define UART_RXFIFO_THRESHOLD_8_8   (USART_CR3_RXFTCFG_2|USART_CR3_RXFTCFG_0) /*!< RX FIFO becomes full             */
121 /**
122   * @}
123   */
124 
125 /**
126   * @}
127   */
128 
129 /* Exported macros -----------------------------------------------------------*/
130 /* Exported functions --------------------------------------------------------*/
131 /** @addtogroup UARTEx_Exported_Functions
132   * @{
133   */
134 
135 /** @addtogroup UARTEx_Exported_Functions_Group1
136   * @{
137   */
138 
139 /* Initialization and de-initialization functions  ****************************/
140 HAL_StatusTypeDef HAL_RS485Ex_Init(UART_HandleTypeDef *huart, uint32_t Polarity, uint32_t AssertionTime,
141                                    uint32_t DeassertionTime);
142 
143 /**
144   * @}
145   */
146 
147 /** @addtogroup UARTEx_Exported_Functions_Group2
148   * @{
149   */
150 
151 void HAL_UARTEx_WakeupCallback(UART_HandleTypeDef *huart);
152 
153 void HAL_UARTEx_RxFifoFullCallback(UART_HandleTypeDef *huart);
154 void HAL_UARTEx_TxFifoEmptyCallback(UART_HandleTypeDef *huart);
155 
156 /**
157   * @}
158   */
159 
160 /** @addtogroup UARTEx_Exported_Functions_Group3
161   * @{
162   */
163 
164 /* Peripheral Control functions  **********************************************/
165 HAL_StatusTypeDef HAL_UARTEx_StopModeWakeUpSourceConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection);
166 HAL_StatusTypeDef HAL_UARTEx_EnableStopMode(UART_HandleTypeDef *huart);
167 HAL_StatusTypeDef HAL_UARTEx_DisableStopMode(UART_HandleTypeDef *huart);
168 
169 HAL_StatusTypeDef HAL_MultiProcessorEx_AddressLength_Set(UART_HandleTypeDef *huart, uint32_t AddressLength);
170 
171 HAL_StatusTypeDef HAL_UARTEx_EnableFifoMode(UART_HandleTypeDef *huart);
172 HAL_StatusTypeDef HAL_UARTEx_DisableFifoMode(UART_HandleTypeDef *huart);
173 HAL_StatusTypeDef HAL_UARTEx_SetTxFifoThreshold(UART_HandleTypeDef *huart, uint32_t Threshold);
174 HAL_StatusTypeDef HAL_UARTEx_SetRxFifoThreshold(UART_HandleTypeDef *huart, uint32_t Threshold);
175 
176 HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint16_t *RxLen,
177                                            uint32_t Timeout);
178 HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
179 HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
180 
181 HAL_UART_RxEventTypeTypeDef HAL_UARTEx_GetRxEventType(const UART_HandleTypeDef *huart);
182 
183 
184 /**
185   * @}
186   */
187 
188 /**
189   * @}
190   */
191 
192 /* Private macros ------------------------------------------------------------*/
193 /** @defgroup UARTEx_Private_Macros UARTEx Private Macros
194   * @{
195   */
196 
197 /** @brief  Report the UART clock source.
198   * @param  __HANDLE__ specifies the UART Handle.
199   * @param  __CLOCKSOURCE__ output variable.
200   * @retval UART clocking source, written in __CLOCKSOURCE__.
201   */
202 #if defined(UART5) && defined(USART3)
203 #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)       \
204   do {                                                        \
205     if((__HANDLE__)->Instance == USART1)                      \
206     {                                                         \
207       switch(__HAL_RCC_GET_USART1_SOURCE())                   \
208       {                                                       \
209         case RCC_USART1CLKSOURCE_PCLK2:                       \
210           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2;         \
211           break;                                              \
212         case RCC_USART1CLKSOURCE_HSI:                         \
213           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
214           break;                                              \
215         case RCC_USART1CLKSOURCE_SYSCLK:                      \
216           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
217           break;                                              \
218         case RCC_USART1CLKSOURCE_LSE:                         \
219           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
220           break;                                              \
221         default:                                              \
222           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
223           break;                                              \
224       }                                                       \
225     }                                                         \
226     else if((__HANDLE__)->Instance == USART2)                 \
227     {                                                         \
228       switch(__HAL_RCC_GET_USART2_SOURCE())                   \
229       {                                                       \
230         case RCC_USART2CLKSOURCE_PCLK1:                       \
231           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
232           break;                                              \
233         case RCC_USART2CLKSOURCE_HSI:                         \
234           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
235           break;                                              \
236         case RCC_USART2CLKSOURCE_SYSCLK:                      \
237           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
238           break;                                              \
239         case RCC_USART2CLKSOURCE_LSE:                         \
240           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
241           break;                                              \
242         default:                                              \
243           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
244           break;                                              \
245       }                                                       \
246     }                                                         \
247     else if((__HANDLE__)->Instance == USART3)                 \
248     {                                                         \
249       switch(__HAL_RCC_GET_USART3_SOURCE())                   \
250       {                                                       \
251         case RCC_USART3CLKSOURCE_PCLK1:                       \
252           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
253           break;                                              \
254         case RCC_USART3CLKSOURCE_HSI:                         \
255           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
256           break;                                              \
257         case RCC_USART3CLKSOURCE_SYSCLK:                      \
258           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
259           break;                                              \
260         case RCC_USART3CLKSOURCE_LSE:                         \
261           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
262           break;                                              \
263         default:                                              \
264           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
265           break;                                              \
266       }                                                       \
267     }                                                         \
268     else if((__HANDLE__)->Instance == UART4)                  \
269     {                                                         \
270       switch(__HAL_RCC_GET_UART4_SOURCE())                    \
271       {                                                       \
272         case RCC_UART4CLKSOURCE_PCLK1:                        \
273           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
274           break;                                              \
275         case RCC_UART4CLKSOURCE_HSI:                          \
276           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
277           break;                                              \
278         case RCC_UART4CLKSOURCE_SYSCLK:                       \
279           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
280           break;                                              \
281         case RCC_UART4CLKSOURCE_LSE:                          \
282           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
283           break;                                              \
284         default:                                              \
285           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
286           break;                                              \
287       }                                                       \
288     }                                                         \
289     else if((__HANDLE__)->Instance == UART5)                  \
290     {                                                         \
291       switch(__HAL_RCC_GET_UART5_SOURCE())                    \
292       {                                                       \
293         case RCC_UART5CLKSOURCE_PCLK1:                        \
294           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
295           break;                                              \
296         case RCC_UART5CLKSOURCE_HSI:                          \
297           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
298           break;                                              \
299         case RCC_UART5CLKSOURCE_SYSCLK:                       \
300           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
301           break;                                              \
302         case RCC_UART5CLKSOURCE_LSE:                          \
303           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
304           break;                                              \
305         default:                                              \
306           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
307           break;                                              \
308       }                                                       \
309     }                                                         \
310     else if((__HANDLE__)->Instance == LPUART1)                \
311     {                                                         \
312       switch(__HAL_RCC_GET_LPUART1_SOURCE())                  \
313       {                                                       \
314         case RCC_LPUART1CLKSOURCE_PCLK1:                      \
315           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
316           break;                                              \
317         case RCC_LPUART1CLKSOURCE_HSI:                        \
318           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
319           break;                                              \
320         case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
321           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
322           break;                                              \
323         case RCC_LPUART1CLKSOURCE_LSE:                        \
324           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
325           break;                                              \
326         default:                                              \
327           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
328           break;                                              \
329       }                                                       \
330     }                                                         \
331     else                                                      \
332     {                                                         \
333       (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;         \
334     }                                                         \
335   } while(0U)
336 #elif defined(UART5) && !defined(USART3)
337 #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)       \
338   do {                                                        \
339     if((__HANDLE__)->Instance == USART1)                      \
340     {                                                         \
341       switch(__HAL_RCC_GET_USART1_SOURCE())                   \
342       {                                                       \
343         case RCC_USART1CLKSOURCE_PCLK2:                       \
344           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2;         \
345           break;                                              \
346         case RCC_USART1CLKSOURCE_HSI:                         \
347           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
348           break;                                              \
349         case RCC_USART1CLKSOURCE_SYSCLK:                      \
350           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
351           break;                                              \
352         case RCC_USART1CLKSOURCE_LSE:                         \
353           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
354           break;                                              \
355         default:                                              \
356           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
357           break;                                              \
358       }                                                       \
359     }                                                         \
360     else if((__HANDLE__)->Instance == USART2)                 \
361     {                                                         \
362       switch(__HAL_RCC_GET_USART2_SOURCE())                   \
363       {                                                       \
364         case RCC_USART2CLKSOURCE_PCLK1:                       \
365           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
366           break;                                              \
367         case RCC_USART2CLKSOURCE_HSI:                         \
368           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
369           break;                                              \
370         case RCC_USART2CLKSOURCE_SYSCLK:                      \
371           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
372           break;                                              \
373         case RCC_USART2CLKSOURCE_LSE:                         \
374           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
375           break;                                              \
376         default:                                              \
377           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
378           break;                                              \
379       }                                                       \
380     }                                                         \
381     else if((__HANDLE__)->Instance == UART4)                  \
382     {                                                         \
383       switch(__HAL_RCC_GET_UART4_SOURCE())                    \
384       {                                                       \
385         case RCC_UART4CLKSOURCE_PCLK1:                        \
386           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
387           break;                                              \
388         case RCC_UART4CLKSOURCE_HSI:                          \
389           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
390           break;                                              \
391         case RCC_UART4CLKSOURCE_SYSCLK:                       \
392           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
393           break;                                              \
394         case RCC_UART4CLKSOURCE_LSE:                          \
395           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
396           break;                                              \
397         default:                                              \
398           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
399           break;                                              \
400       }                                                       \
401     }                                                         \
402     else if((__HANDLE__)->Instance == UART5)                  \
403     {                                                         \
404       switch(__HAL_RCC_GET_UART5_SOURCE())                    \
405       {                                                       \
406         case RCC_UART5CLKSOURCE_PCLK1:                        \
407           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
408           break;                                              \
409         case RCC_UART5CLKSOURCE_HSI:                          \
410           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
411           break;                                              \
412         case RCC_UART5CLKSOURCE_SYSCLK:                       \
413           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
414           break;                                              \
415         case RCC_UART5CLKSOURCE_LSE:                          \
416           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
417           break;                                              \
418         default:                                              \
419           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
420           break;                                              \
421       }                                                       \
422     }                                                         \
423     else if((__HANDLE__)->Instance == LPUART1)                \
424     {                                                         \
425       switch(__HAL_RCC_GET_LPUART1_SOURCE())                  \
426       {                                                       \
427         case RCC_LPUART1CLKSOURCE_PCLK1:                      \
428           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
429           break;                                              \
430         case RCC_LPUART1CLKSOURCE_HSI:                        \
431           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
432           break;                                              \
433         case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
434           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
435           break;                                              \
436         case RCC_LPUART1CLKSOURCE_LSE:                        \
437           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
438           break;                                              \
439         default:                                              \
440           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
441           break;                                              \
442       }                                                       \
443     }                                                         \
444     else                                                      \
445     {                                                         \
446       (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;         \
447     }                                                         \
448   } while(0U)
449 #elif defined(UART4) && defined(USART3)
450 #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)       \
451   do {                                                        \
452     if((__HANDLE__)->Instance == USART1)                      \
453     {                                                         \
454       switch(__HAL_RCC_GET_USART1_SOURCE())                   \
455       {                                                       \
456         case RCC_USART1CLKSOURCE_PCLK2:                       \
457           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2;         \
458           break;                                              \
459         case RCC_USART1CLKSOURCE_HSI:                         \
460           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
461           break;                                              \
462         case RCC_USART1CLKSOURCE_SYSCLK:                      \
463           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
464           break;                                              \
465         case RCC_USART1CLKSOURCE_LSE:                         \
466           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
467           break;                                              \
468         default:                                              \
469           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
470           break;                                              \
471       }                                                       \
472     }                                                         \
473     else if((__HANDLE__)->Instance == USART2)                 \
474     {                                                         \
475       switch(__HAL_RCC_GET_USART2_SOURCE())                   \
476       {                                                       \
477         case RCC_USART2CLKSOURCE_PCLK1:                       \
478           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
479           break;                                              \
480         case RCC_USART2CLKSOURCE_HSI:                         \
481           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
482           break;                                              \
483         case RCC_USART2CLKSOURCE_SYSCLK:                      \
484           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
485           break;                                              \
486         case RCC_USART2CLKSOURCE_LSE:                         \
487           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
488           break;                                              \
489         default:                                              \
490           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
491           break;                                              \
492       }                                                       \
493     }                                                         \
494     else if((__HANDLE__)->Instance == USART3)                 \
495     {                                                         \
496       switch(__HAL_RCC_GET_USART3_SOURCE())                   \
497       {                                                       \
498         case RCC_USART3CLKSOURCE_PCLK1:                       \
499           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
500           break;                                              \
501         case RCC_USART3CLKSOURCE_HSI:                         \
502           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
503           break;                                              \
504         case RCC_USART3CLKSOURCE_SYSCLK:                      \
505           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
506           break;                                              \
507         case RCC_USART3CLKSOURCE_LSE:                         \
508           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
509           break;                                              \
510         default:                                              \
511           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
512           break;                                              \
513       }                                                       \
514     }                                                         \
515     else if((__HANDLE__)->Instance == UART4)                  \
516     {                                                         \
517       switch(__HAL_RCC_GET_UART4_SOURCE())                    \
518       {                                                       \
519         case RCC_UART4CLKSOURCE_PCLK1:                        \
520           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
521           break;                                              \
522         case RCC_UART4CLKSOURCE_HSI:                          \
523           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
524           break;                                              \
525         case RCC_UART4CLKSOURCE_SYSCLK:                       \
526           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
527           break;                                              \
528         case RCC_UART4CLKSOURCE_LSE:                          \
529           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
530           break;                                              \
531         default:                                              \
532           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
533           break;                                              \
534       }                                                       \
535     }                                                         \
536     else if((__HANDLE__)->Instance == LPUART1)                \
537     {                                                         \
538       switch(__HAL_RCC_GET_LPUART1_SOURCE())                  \
539       {                                                       \
540         case RCC_LPUART1CLKSOURCE_PCLK1:                      \
541           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
542           break;                                              \
543         case RCC_LPUART1CLKSOURCE_HSI:                        \
544           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
545           break;                                              \
546         case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
547           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
548           break;                                              \
549         case RCC_LPUART1CLKSOURCE_LSE:                        \
550           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
551           break;                                              \
552         default:                                              \
553           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
554           break;                                              \
555       }                                                       \
556     }                                                         \
557     else                                                      \
558     {                                                         \
559       (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;         \
560     }                                                         \
561   } while(0U)
562 #elif defined(UART4) && !defined(USART3)
563 #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)       \
564   do {                                                        \
565     if((__HANDLE__)->Instance == USART1)                      \
566     {                                                         \
567       switch(__HAL_RCC_GET_USART1_SOURCE())                   \
568       {                                                       \
569         case RCC_USART1CLKSOURCE_PCLK2:                       \
570           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2;         \
571           break;                                              \
572         case RCC_USART1CLKSOURCE_HSI:                         \
573           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
574           break;                                              \
575         case RCC_USART1CLKSOURCE_SYSCLK:                      \
576           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
577           break;                                              \
578         case RCC_USART1CLKSOURCE_LSE:                         \
579           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
580           break;                                              \
581         default:                                              \
582           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
583           break;                                              \
584       }                                                       \
585     }                                                         \
586     else if((__HANDLE__)->Instance == USART2)                 \
587     {                                                         \
588       switch(__HAL_RCC_GET_USART2_SOURCE())                   \
589       {                                                       \
590         case RCC_USART2CLKSOURCE_PCLK1:                       \
591           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
592           break;                                              \
593         case RCC_USART2CLKSOURCE_HSI:                         \
594           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
595           break;                                              \
596         case RCC_USART2CLKSOURCE_SYSCLK:                      \
597           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
598           break;                                              \
599         case RCC_USART2CLKSOURCE_LSE:                         \
600           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
601           break;                                              \
602         default:                                              \
603           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
604           break;                                              \
605       }                                                       \
606     }                                                         \
607     else if((__HANDLE__)->Instance == UART4)                  \
608     {                                                         \
609       switch(__HAL_RCC_GET_UART4_SOURCE())                    \
610       {                                                       \
611         case RCC_UART4CLKSOURCE_PCLK1:                        \
612           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
613           break;                                              \
614         case RCC_UART4CLKSOURCE_HSI:                          \
615           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
616           break;                                              \
617         case RCC_UART4CLKSOURCE_SYSCLK:                       \
618           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
619           break;                                              \
620         case RCC_UART4CLKSOURCE_LSE:                          \
621           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
622           break;                                              \
623         default:                                              \
624           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
625           break;                                              \
626       }                                                       \
627     }                                                         \
628     else if((__HANDLE__)->Instance == LPUART1)                \
629     {                                                         \
630       switch(__HAL_RCC_GET_LPUART1_SOURCE())                  \
631       {                                                       \
632         case RCC_LPUART1CLKSOURCE_PCLK1:                      \
633           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
634           break;                                              \
635         case RCC_LPUART1CLKSOURCE_HSI:                        \
636           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
637           break;                                              \
638         case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
639           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
640           break;                                              \
641         case RCC_LPUART1CLKSOURCE_LSE:                        \
642           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
643           break;                                              \
644         default:                                              \
645           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
646           break;                                              \
647       }                                                       \
648     }                                                         \
649     else                                                      \
650     {                                                         \
651       (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;         \
652     }                                                         \
653   } while(0U)
654 #elif defined(USART3)
655 #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)       \
656   do {                                                        \
657     if((__HANDLE__)->Instance == USART1)                      \
658     {                                                         \
659       switch(__HAL_RCC_GET_USART1_SOURCE())                   \
660       {                                                       \
661         case RCC_USART1CLKSOURCE_PCLK2:                       \
662           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2;         \
663           break;                                              \
664         case RCC_USART1CLKSOURCE_HSI:                         \
665           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
666           break;                                              \
667         case RCC_USART1CLKSOURCE_SYSCLK:                      \
668           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
669           break;                                              \
670         case RCC_USART1CLKSOURCE_LSE:                         \
671           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
672           break;                                              \
673         default:                                              \
674           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
675           break;                                              \
676       }                                                       \
677     }                                                         \
678     else if((__HANDLE__)->Instance == USART2)                 \
679     {                                                         \
680       switch(__HAL_RCC_GET_USART2_SOURCE())                   \
681       {                                                       \
682         case RCC_USART2CLKSOURCE_PCLK1:                       \
683           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
684           break;                                              \
685         case RCC_USART2CLKSOURCE_HSI:                         \
686           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
687           break;                                              \
688         case RCC_USART2CLKSOURCE_SYSCLK:                      \
689           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
690           break;                                              \
691         case RCC_USART2CLKSOURCE_LSE:                         \
692           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
693           break;                                              \
694         default:                                              \
695           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
696           break;                                              \
697       }                                                       \
698     }                                                         \
699     else if((__HANDLE__)->Instance == USART3)                 \
700     {                                                         \
701       switch(__HAL_RCC_GET_USART3_SOURCE())                   \
702       {                                                       \
703         case RCC_USART3CLKSOURCE_PCLK1:                       \
704           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
705           break;                                              \
706         case RCC_USART3CLKSOURCE_HSI:                         \
707           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
708           break;                                              \
709         case RCC_USART3CLKSOURCE_SYSCLK:                      \
710           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
711           break;                                              \
712         case RCC_USART3CLKSOURCE_LSE:                         \
713           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
714           break;                                              \
715         default:                                              \
716           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
717           break;                                              \
718       }                                                       \
719     }                                                         \
720     else if((__HANDLE__)->Instance == LPUART1)                \
721     {                                                         \
722       switch(__HAL_RCC_GET_LPUART1_SOURCE())                  \
723       {                                                       \
724         case RCC_LPUART1CLKSOURCE_PCLK1:                      \
725           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
726           break;                                              \
727         case RCC_LPUART1CLKSOURCE_HSI:                        \
728           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
729           break;                                              \
730         case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
731           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
732           break;                                              \
733         case RCC_LPUART1CLKSOURCE_LSE:                        \
734           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
735           break;                                              \
736         default:                                              \
737           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
738           break;                                              \
739       }                                                       \
740     }                                                         \
741     else                                                      \
742     {                                                         \
743       (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;         \
744     }                                                         \
745   } while(0U)
746 #else
747 #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)       \
748   do {                                                        \
749     if((__HANDLE__)->Instance == USART1)                      \
750     {                                                         \
751       switch(__HAL_RCC_GET_USART1_SOURCE())                   \
752       {                                                       \
753         case RCC_USART1CLKSOURCE_PCLK2:                       \
754           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2;         \
755           break;                                              \
756         case RCC_USART1CLKSOURCE_HSI:                         \
757           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
758           break;                                              \
759         case RCC_USART1CLKSOURCE_SYSCLK:                      \
760           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
761           break;                                              \
762         case RCC_USART1CLKSOURCE_LSE:                         \
763           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
764           break;                                              \
765         default:                                              \
766           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
767           break;                                              \
768       }                                                       \
769     }                                                         \
770     else if((__HANDLE__)->Instance == USART2)                 \
771     {                                                         \
772       switch(__HAL_RCC_GET_USART2_SOURCE())                   \
773       {                                                       \
774         case RCC_USART2CLKSOURCE_PCLK1:                       \
775           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
776           break;                                              \
777         case RCC_USART2CLKSOURCE_HSI:                         \
778           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
779           break;                                              \
780         case RCC_USART2CLKSOURCE_SYSCLK:                      \
781           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
782           break;                                              \
783         case RCC_USART2CLKSOURCE_LSE:                         \
784           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
785           break;                                              \
786         default:                                              \
787           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
788           break;                                              \
789       }                                                       \
790     }                                                         \
791     else if((__HANDLE__)->Instance == LPUART1)                \
792     {                                                         \
793       switch(__HAL_RCC_GET_LPUART1_SOURCE())                  \
794       {                                                       \
795         case RCC_LPUART1CLKSOURCE_PCLK1:                      \
796           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
797           break;                                              \
798         case RCC_LPUART1CLKSOURCE_HSI:                        \
799           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
800           break;                                              \
801         case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
802           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
803           break;                                              \
804         case RCC_LPUART1CLKSOURCE_LSE:                        \
805           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
806           break;                                              \
807         default:                                              \
808           (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
809           break;                                              \
810       }                                                       \
811     }                                                         \
812     else                                                      \
813     {                                                         \
814       (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;         \
815     }                                                         \
816   } while(0U)
817 #endif /* UART5 && !USART3 */
818 
819 /** @brief  Report the UART mask to apply to retrieve the received data
820   *         according to the word length and to the parity bits activation.
821   * @note   If PCE = 1, the parity bit is not included in the data extracted
822   *         by the reception API().
823   *         This masking operation is not carried out in the case of
824   *         DMA transfers.
825   * @param  __HANDLE__ specifies the UART Handle.
826   * @retval None, the mask to apply to UART RDR register is stored in (__HANDLE__)->Mask field.
827   */
828 #define UART_MASK_COMPUTATION(__HANDLE__)                             \
829   do {                                                                \
830     if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_9B)          \
831     {                                                                 \
832       if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)              \
833       {                                                               \
834         (__HANDLE__)->Mask = 0x01FFU ;                                \
835       }                                                               \
836       else                                                            \
837       {                                                               \
838         (__HANDLE__)->Mask = 0x00FFU ;                                \
839       }                                                               \
840     }                                                                 \
841     else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_8B)     \
842     {                                                                 \
843       if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)              \
844       {                                                               \
845         (__HANDLE__)->Mask = 0x00FFU ;                                \
846       }                                                               \
847       else                                                            \
848       {                                                               \
849         (__HANDLE__)->Mask = 0x007FU ;                                \
850       }                                                               \
851     }                                                                 \
852     else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_7B)     \
853     {                                                                 \
854       if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)              \
855       {                                                               \
856         (__HANDLE__)->Mask = 0x007FU ;                                \
857       }                                                               \
858       else                                                            \
859       {                                                               \
860         (__HANDLE__)->Mask = 0x003FU ;                                \
861       }                                                               \
862     }                                                                 \
863     else                                                              \
864     {                                                                 \
865       (__HANDLE__)->Mask = 0x0000U;                                   \
866     }                                                                 \
867   } while(0U)
868 
869 /**
870   * @brief Ensure that UART frame length is valid.
871   * @param __LENGTH__ UART frame length.
872   * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
873   */
874 #define IS_UART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == UART_WORDLENGTH_7B) || \
875                                          ((__LENGTH__) == UART_WORDLENGTH_8B) || \
876                                          ((__LENGTH__) == UART_WORDLENGTH_9B))
877 
878 /**
879   * @brief Ensure that UART wake-up address length is valid.
880   * @param __ADDRESS__ UART wake-up address length.
881   * @retval SET (__ADDRESS__ is valid) or RESET (__ADDRESS__ is invalid)
882   */
883 #define IS_UART_ADDRESSLENGTH_DETECT(__ADDRESS__) (((__ADDRESS__) == UART_ADDRESS_DETECT_4B) || \
884                                                    ((__ADDRESS__) == UART_ADDRESS_DETECT_7B))
885 
886 /**
887   * @brief Ensure that UART TXFIFO threshold level is valid.
888   * @param __THRESHOLD__ UART TXFIFO threshold level.
889   * @retval SET (__THRESHOLD__ is valid) or RESET (__THRESHOLD__ is invalid)
890   */
891 #define IS_UART_TXFIFO_THRESHOLD(__THRESHOLD__) (((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_8) || \
892                                                  ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_4) || \
893                                                  ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_2) || \
894                                                  ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_3_4) || \
895                                                  ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_7_8) || \
896                                                  ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_8_8))
897 
898 /**
899   * @brief Ensure that UART RXFIFO threshold level is valid.
900   * @param __THRESHOLD__ UART RXFIFO threshold level.
901   * @retval SET (__THRESHOLD__ is valid) or RESET (__THRESHOLD__ is invalid)
902   */
903 #define IS_UART_RXFIFO_THRESHOLD(__THRESHOLD__) (((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_8) || \
904                                                  ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_4) || \
905                                                  ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_2) || \
906                                                  ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_3_4) || \
907                                                  ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_7_8) || \
908                                                  ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_8_8))
909 
910 /**
911   * @}
912   */
913 
914 /* Private functions ---------------------------------------------------------*/
915 
916 /**
917   * @}
918   */
919 
920 /**
921   * @}
922   */
923 
924 #ifdef __cplusplus
925 }
926 #endif
927 
928 #endif /* STM32G4xx_HAL_UART_EX_H */
929 
930