1 /**
2   ******************************************************************************
3   * @file    stm32h5xx_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) 2022 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 STM32H5xx_HAL_UART_EX_H
21 #define STM32H5xx_HAL_UART_EX_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32h5xx_hal_def.h"
29 
30 /** @addtogroup STM32H5xx_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 #ifdef HAL_DMA_MODULE_ENABLED
180 HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
181 #endif /* HAL_DMA_MODULE_ENABLED */
182 HAL_UART_RxEventTypeTypeDef HAL_UARTEx_GetRxEventType(UART_HandleTypeDef *huart);
183 
184 
185 /**
186   * @}
187   */
188 
189 /**
190   * @}
191   */
192 
193 /* Private macros ------------------------------------------------------------*/
194 /** @defgroup UARTEx_Private_Macros UARTEx Private Macros
195   * @{
196   */
197 
198 /** @brief  Report the UART clock source.
199   * @param  __HANDLE__ specifies the UART Handle.
200   * @param  __CLOCKSOURCE__ output variable.
201   * @retval UART clocking source, written in __CLOCKSOURCE__.
202   */
203 #if (defined(STM32H573xx) || defined(STM32H563xx) || defined(STM32H562xx))
204 #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)           \
205   do {                                                            \
206     if((__HANDLE__)->Instance == USART1)                          \
207     {                                                             \
208       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_USART1;         \
209     }                                                             \
210     else if((__HANDLE__)->Instance == USART2)                     \
211     {                                                             \
212       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_USART2;         \
213     }                                                             \
214     else if((__HANDLE__)->Instance == USART3)                     \
215     {                                                             \
216       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_USART3;         \
217     }                                                             \
218     else if((__HANDLE__)->Instance == UART4)                      \
219     {                                                             \
220       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_UART4;          \
221     }                                                             \
222     else if((__HANDLE__)->Instance == UART5)                      \
223     {                                                             \
224       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_UART5;          \
225     }                                                             \
226     else if((__HANDLE__)->Instance == USART6)                     \
227     {                                                             \
228       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_USART6;         \
229     }                                                             \
230     else if((__HANDLE__)->Instance == UART7)                      \
231     {                                                             \
232       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_UART7;          \
233     }                                                             \
234     else if((__HANDLE__)->Instance == UART8)                      \
235     {                                                             \
236       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_UART8;          \
237     }                                                             \
238     else if((__HANDLE__)->Instance == UART9)                      \
239     {                                                             \
240       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_UART9;          \
241     }                                                             \
242     else if((__HANDLE__)->Instance == USART10)                    \
243     {                                                             \
244       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_USART10;        \
245     }                                                             \
246     else if((__HANDLE__)->Instance == USART11)                    \
247     {                                                             \
248       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_USART11;        \
249     }                                                             \
250     else if((__HANDLE__)->Instance == UART12)                     \
251     {                                                             \
252       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_UART12;         \
253     }                                                             \
254     else if((__HANDLE__)->Instance == LPUART1)                    \
255     {                                                             \
256       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_LPUART1;        \
257     }                                                             \
258     else                                                          \
259     {                                                             \
260       (__CLOCKSOURCE__) = 0U;                                     \
261     }                                                             \
262   } while(0U)
263 #else
264 #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)           \
265   do {                                                            \
266     if((__HANDLE__)->Instance == USART1)                          \
267     {                                                             \
268       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_USART1;         \
269     }                                                             \
270     else if((__HANDLE__)->Instance == USART2)                     \
271     {                                                             \
272       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_USART2;         \
273     }                                                             \
274     else if((__HANDLE__)->Instance == USART3)                     \
275     {                                                             \
276       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_USART3;         \
277     }                                                             \
278     else if((__HANDLE__)->Instance == LPUART1)                    \
279     {                                                             \
280       (__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_LPUART1;        \
281     }                                                             \
282     else                                                          \
283     {                                                             \
284       (__CLOCKSOURCE__) = 0U;                                     \
285     }                                                             \
286   } while(0U)
287 #endif /* (defined(STM32H573xx) || defined(STM32H563xx) || defined(STM32H562xx) */
288 
289 
290 /** @brief  Report the UART mask to apply to retrieve the received data
291   *         according to the word length and to the parity bits activation.
292   * @note   If PCE = 1, the parity bit is not included in the data extracted
293   *         by the reception API().
294   *         This masking operation is not carried out in the case of
295   *         DMA transfers.
296   * @param  __HANDLE__ specifies the UART Handle.
297   * @retval None, the mask to apply to UART RDR register is stored in (__HANDLE__)->Mask field.
298   */
299 #define UART_MASK_COMPUTATION(__HANDLE__)                             \
300   do {                                                                \
301     if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_9B)          \
302     {                                                                 \
303       if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)              \
304       {                                                               \
305         (__HANDLE__)->Mask = 0x01FFU ;                                \
306       }                                                               \
307       else                                                            \
308       {                                                               \
309         (__HANDLE__)->Mask = 0x00FFU ;                                \
310       }                                                               \
311     }                                                                 \
312     else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_8B)     \
313     {                                                                 \
314       if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)              \
315       {                                                               \
316         (__HANDLE__)->Mask = 0x00FFU ;                                \
317       }                                                               \
318       else                                                            \
319       {                                                               \
320         (__HANDLE__)->Mask = 0x007FU ;                                \
321       }                                                               \
322     }                                                                 \
323     else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_7B)     \
324     {                                                                 \
325       if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)              \
326       {                                                               \
327         (__HANDLE__)->Mask = 0x007FU ;                                \
328       }                                                               \
329       else                                                            \
330       {                                                               \
331         (__HANDLE__)->Mask = 0x003FU ;                                \
332       }                                                               \
333     }                                                                 \
334     else                                                              \
335     {                                                                 \
336       (__HANDLE__)->Mask = 0x0000U;                                   \
337     }                                                                 \
338   } while(0U)
339 
340 /**
341   * @brief Ensure that UART frame length is valid.
342   * @param __LENGTH__ UART frame length.
343   * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
344   */
345 #define IS_UART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == UART_WORDLENGTH_7B) || \
346                                          ((__LENGTH__) == UART_WORDLENGTH_8B) || \
347                                          ((__LENGTH__) == UART_WORDLENGTH_9B))
348 
349 /**
350   * @brief Ensure that UART wake-up address length is valid.
351   * @param __ADDRESS__ UART wake-up address length.
352   * @retval SET (__ADDRESS__ is valid) or RESET (__ADDRESS__ is invalid)
353   */
354 #define IS_UART_ADDRESSLENGTH_DETECT(__ADDRESS__) (((__ADDRESS__) == UART_ADDRESS_DETECT_4B) || \
355                                                    ((__ADDRESS__) == UART_ADDRESS_DETECT_7B))
356 
357 /**
358   * @brief Ensure that UART TXFIFO threshold level is valid.
359   * @param __THRESHOLD__ UART TXFIFO threshold level.
360   * @retval SET (__THRESHOLD__ is valid) or RESET (__THRESHOLD__ is invalid)
361   */
362 #define IS_UART_TXFIFO_THRESHOLD(__THRESHOLD__) (((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_8) || \
363                                                  ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_4) || \
364                                                  ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_2) || \
365                                                  ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_3_4) || \
366                                                  ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_7_8) || \
367                                                  ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_8_8))
368 
369 /**
370   * @brief Ensure that UART RXFIFO threshold level is valid.
371   * @param __THRESHOLD__ UART RXFIFO threshold level.
372   * @retval SET (__THRESHOLD__ is valid) or RESET (__THRESHOLD__ is invalid)
373   */
374 #define IS_UART_RXFIFO_THRESHOLD(__THRESHOLD__) (((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_8) || \
375                                                  ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_4) || \
376                                                  ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_2) || \
377                                                  ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_3_4) || \
378                                                  ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_7_8) || \
379                                                  ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_8_8))
380 
381 /**
382   * @}
383   */
384 
385 /* Private functions ---------------------------------------------------------*/
386 
387 /**
388   * @}
389   */
390 
391 /**
392   * @}
393   */
394 
395 #ifdef __cplusplus
396 }
397 #endif
398 
399 #endif /* STM32H5xx_HAL_UART_EX_H */
400