1 /**
2   ******************************************************************************
3   * @file    stm32h7xx_ll_utils.h
4   * @author  MCD Application Team
5   * @brief   Header file of UTILS LL module.
6   ******************************************************************************
7   * @attention
8   * Copyright (c) 2017 STMicroelectronics.
9   * All rights reserved.
10   *
11   * This software is licensed under terms that can be found in the LICENSE file in
12   * the root directory of this software component.
13   * If no LICENSE file comes with this software, it is provided AS-IS.
14   *
15   ******************************************************************************
16   @verbatim
17   ==============================================================================
18                      ##### How to use this driver #####
19   ==============================================================================
20     [..]
21     The LL UTILS driver contains a set of generic APIs that can be
22     used by user:
23       (+) Device electronic signature
24       (+) Timing functions
25       (+) PLL configuration functions
26 
27   @endverbatim
28   ******************************************************************************
29   */
30 
31 /* Define to prevent recursive inclusion -------------------------------------*/
32 #ifndef STM32H7xx_LL_UTILS_H
33 #define STM32H7xx_LL_UTILS_H
34 
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38 
39 /* Includes ------------------------------------------------------------------*/
40 #include "stm32h7xx.h"
41 #include "stm32h7xx_ll_system.h"
42 #include "stm32h7xx_ll_bus.h"
43 
44 /** @addtogroup STM32H7xx_LL_Driver
45   * @{
46   */
47 
48 /** @defgroup UTILS_LL UTILS
49   * @{
50   */
51 
52 /* Private types -------------------------------------------------------------*/
53 /* Private variables ---------------------------------------------------------*/
54 
55 /* Private constants ---------------------------------------------------------*/
56 /** @defgroup UTILS_LL_Private_Constants UTILS Private Constants
57   * @{
58   */
59 
60 /* Max delay can be used in LL_mDelay */
61 #define LL_MAX_DELAY                  0xFFFFFFFFU
62 
63 /**
64  * @brief Unique device ID register base address
65  */
66 #define UID_BASE_ADDRESS              UID_BASE
67 
68 /**
69  * @brief Flash size data register base address
70  */
71 #define FLASHSIZE_BASE_ADDRESS        FLASHSIZE_BASE
72 
73 /**
74  * @brief Package data register base address
75  */
76 #define PACKAGE_BASE_ADDRESS          PACKAGE_BASE
77 
78 /**
79   * @}
80   */
81 
82 /* Private macros ------------------------------------------------------------*/
83 /** @defgroup UTILS_LL_Private_Macros UTILS Private Macros
84   * @{
85   */
86 /**
87   * @}
88   */
89 /* Exported types ------------------------------------------------------------*/
90 /** @defgroup UTILS_LL_ES_INIT UTILS Exported structures
91   * @{
92   */
93 /**
94   * @brief  UTILS PLL structure definition
95   */
96 typedef struct
97 {
98   uint32_t PLLM;   /*!< Division factor for PLL VCO input clock.
99                         This parameter must be a number between Min_Data = 0 and Max_Data = 63
100 
101                         This feature can be modified afterwards using unitary function
102                         @ref LL_RCC_PLL1_SetM(). */
103 
104   uint32_t PLLN;   /*!< Multiplication factor for PLL VCO output clock.
105                         This parameter must be a number between Min_Data = 4 and Max_Data = 512
106 
107                         This feature can be modified afterwards using unitary function
108                         @ref LL_RCC_PLL1_SetN(). */
109 
110   uint32_t PLLP;   /*!< Division for the main system clock.
111                         This parameter must be a number between Min_Data = 2 and Max_Data = 128
112                           odd division factors are not allowed
113 
114                         This feature can be modified afterwards using unitary function
115                         @ref LL_RCC_PLL1_SetP(). */
116 
117   uint32_t FRACN;  /*!< Fractional part of the multiplication factor for PLL VCO.
118                         This parameter can be a value between 0 and 8191
119 
120                         This feature can be modified afterwards using unitary function
121                         @ref LL_RCC_PLL1_SetFRACN(). */
122 
123   uint32_t VCO_Input;  /*!< PLL clock Input range.
124                         This parameter can be a value of @ref RCC_LL_EC_PLLINPUTRANGE
125 
126                         This feature can be modified afterwards using unitary function
127                         @ref LL_RCC_PLL1_SetVCOInputRange(). */
128 
129   uint32_t VCO_Output;  /*!< PLL clock Output range.
130                         This parameter can be a value of @ref RCC_LL_EC_PLLVCORANGE
131 
132                       This feature can be modified afterwards using unitary function
133                       @ref LL_RCC_PLL1_SetVCOOutputRange(). */
134 
135 } LL_UTILS_PLLInitTypeDef;
136 
137 /**
138   * @brief  UTILS System, AHB and APB buses clock configuration structure definition
139   */
140 typedef struct
141 {
142   uint32_t SYSCLKDivider;         /*!< The System clock (SYSCLK) divider. This clock is derived from the PLL output.
143                                      This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV
144 
145                                      This feature can be modified afterwards using unitary function
146                                      @ref LL_RCC_SetSysPrescaler(). */
147 
148   uint32_t AHBCLKDivider;         /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
149                                        This parameter can be a value of @ref RCC_LL_EC_AHB_DIV
150 
151                                        This feature can be modified afterwards using unitary function
152                                        @ref LL_RCC_SetAHBPrescaler(). */
153 
154   uint32_t APB1CLKDivider;        /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
155                                        This parameter can be a value of @ref RCC_LL_EC_APB1_DIV
156 
157                                        This feature can be modified afterwards using unitary function
158                                        @ref LL_RCC_SetAPB1Prescaler(). */
159 
160   uint32_t APB2CLKDivider;        /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
161                                        This parameter can be a value of @ref RCC_LL_EC_APB2_DIV
162 
163                                        This feature can be modified afterwards using unitary function
164                                        @ref LL_RCC_SetAPB2Prescaler(). */
165 
166   uint32_t APB3CLKDivider;        /*!< The APB2 clock (PCLK3) divider. This clock is derived from the AHB clock (HCLK).
167                                        This parameter can be a value of @ref RCC_LL_EC_APB3_DIV
168 
169                                        This feature can be modified afterwards using unitary function
170                                        @ref LL_RCC_SetAPB3Prescaler(). */
171 
172   uint32_t APB4CLKDivider;        /*!< The APB4 clock (PCLK4) divider. This clock is derived from the AHB clock (HCLK).
173                                        This parameter can be a value of @ref RCC_LL_EC_APB4_DIV
174 
175                                        This feature can be modified afterwards using unitary function
176                                        @ref LL_RCC_SetAPB4Prescaler(). */
177 
178 } LL_UTILS_ClkInitTypeDef;
179 
180 /**
181   * @}
182   */
183 
184 /* Exported constants --------------------------------------------------------*/
185 /** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants
186   * @{
187   */
188 
189 /** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation
190   * @{
191   */
192 #define LL_UTILS_HSEBYPASS_OFF        0x00000000U       /*!< HSE Bypass is not enabled                */
193 #define LL_UTILS_HSEBYPASS_ON         0x00000001U       /*!< HSE Bypass is enabled                    */
194 /**
195   * @}
196   */
197 
198 /** @defgroup UTILS_EC_PACKAGETYPE PACKAGE TYPE
199   * @{
200   */
201 #if (STM32H7_DEV_ID == 0x450UL)
202 #define LL_UTILS_PACKAGETYPE_LQFP100            LL_SYSCFG_LQFP100_PACKAGE          /*!< LQFP100 package type             */
203 #define LL_UTILS_PACKAGETYPE_TQFP144            LL_SYSCFG_TQFP144_PACKAGE          /*!< TQFP144 package type             */
204 #define LL_UTILS_PACKAGETYPE_TQFP176_UFBGA176   LL_SYSCFG_TQFP176_UFBGA176_PACKAGE /*!< TQFP176 or UFBGA176 package type */
205 #define LL_UTILS_PACKAGETYPE_LQFP208_TFBGA240   LL_SYSCFG_LQFP208_TFBGA240_PACKAGE /*!< LQFP208 or TFBGA240 package type */
206 #elif (STM32H7_DEV_ID == 0x480UL)
207 #define LL_UTILS_PACKAGETYPE_LQFP64                  0x00000000UL                  /*!< LQFP64 package type              */
208 #define LL_UTILS_PACKAGETYPE_TFBGA100_LQFP100        0x00000001UL                  /*!< TFBGA100 or LQFP100 package type */
209 #define LL_UTILS_PACKAGETYPE_LQFP100_SMPS            0x00000002UL                  /*!< LQFP100  with SMPS package type  */
210 #define LL_UTILS_PACKAGETYPE_TFBGA100_SMPS           0x00000003UL                  /*!< TFBGA100 with SMPS package type  */
211 #define LL_UTILS_PACKAGETYPE_WLCSP132_SMPS           0x00000004UL                  /*!< WLCSP132 package type            */
212 #define LL_UTILS_PACKAGETYPE_LQFP144                 0x00000005UL                  /*!< LQFP144 package type             */
213 #define LL_UTILS_PACKAGETYPE_LQFP144_SMPS            0x00000006UL                  /*!< LQFP144 with SMPS package type   */
214 #define LL_UTILS_PACKAGETYPE_UFBGA169                0x00000007UL                  /*!< UFBGA169 package type            */
215 #define LL_UTILS_PACKAGETYPE_UFBGA176_LQFP176        0x00000008UL                  /*!< UFBGA176 or LQFP176 package type */
216 #define LL_UTILS_PACKAGETYPE_LQFP176_SMPS            0x00000009UL                  /*!< LQFP176 with SMPS package type   */
217 #define LL_UTILS_PACKAGETYPE_UFBGA176_SMPS           0x0000000AUL                  /*!< UFBGA176 with SMPS package type  */
218 #define LL_UTILS_PACKAGETYPE_TFBGA216                0x0000000CUL                  /*!< TFBGA216  package type           */
219 #define LL_UTILS_PACKAGETYPE_TFBGA225                0x0000000EUL                  /*!< TFBGA225  package type           */
220 #elif (STM32H7_DEV_ID == 0x483UL)
221 #define LL_UTILS_PACKAGETYPE_VFQFPN68_INDUS         LL_SYSCFG_VFQFPN68_INDUS_PACKAGE         /*!< VFQFPN68 Industrial package type */
222 #define LL_UTILS_PACKAGETYPE_TFBGA100_LQFP100       LL_SYSCFG_TFBGA100_LQFP100_PACKAGE       /*!< TFBGA100 or LQFP100 Legacy package type */
223 #define LL_UTILS_PACKAGETYPE_LQFP100_INDUS          LL_SYSCFG_LQFP100_INDUS_PACKAGE          /*!< LQFP100 Industrial package type  */
224 #define LL_UTILS_PACKAGETYPE_TFBGA100_INDUS         LL_SYSCFG_TFBGA100_INDUS_PACKAGE         /*!< TFBGA100 Industrial package type */
225 #define LL_UTILS_PACKAGETYPE_WLCSP115_INDUS         LL_SYSCFG_WLCSP115_INDUS_PACKAGE         /*!< WLCSP115 Industrial package type */
226 #define LL_UTILS_PACKAGETYPE_LQFP144                LL_SYSCFG_LQFP144_PACKAGE                /*!< LQFP144 Legacy package type      */
227 #define LL_UTILS_PACKAGETYPE_UFBGA144               LL_SYSCFG_UFBGA144_PACKAGE               /*!< UFBGA144 Legacy package type     */
228 #define LL_UTILS_PACKAGETYPE_LQFP144_INDUS          LL_SYSCFG_LQFP144_INDUS_PACKAGE          /*!< LQFP144 Industrial package type  */
229 #define LL_UTILS_PACKAGETYPE_UFBGA169_INDUS         LL_SYSCFG_UFBGA169_INDUS_PACKAGE         /*!< UFBGA169 Industrial package type */
230 #define LL_UTILS_PACKAGETYPE_UFBGA176PLUS25_INDUS   LL_SYSCFG_UFBGA176PLUS25_INDUS_PACKAGE   /*!< UFBGA176+25 Industrial package type   */
231 #define LL_UTILS_PACKAGETYPE_LQFP176_INDUS          LL_SYSCFG_LQFP176_INDUS_PACKAGE          /*!< LQFP176 Industrial package type  */
232 #endif /* STM32H7_DEV_ID == 0x450UL */
233 /**
234   * @}
235   */
236 
237 /**
238   * @}
239   */
240 
241 /* Exported macro ------------------------------------------------------------*/
242 
243 /* Exported functions --------------------------------------------------------*/
244 /** @defgroup UTILS_LL_Exported_Functions UTILS Exported Functions
245   * @{
246   */
247 
248 /** @defgroup UTILS_EF_DEVICE_ELECTRONIC_SIGNATURE DEVICE ELECTRONIC SIGNATURE
249   * @{
250   */
251 
252 /**
253   * @brief  Get Word0 of the unique device identifier (UID based on 96 bits)
254   * @retval UID[31:0]
255   */
LL_GetUID_Word0(void)256 __STATIC_INLINE uint32_t LL_GetUID_Word0(void)
257 {
258   return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS)));
259 }
260 
261 /**
262   * @brief  Get Word1 of the unique device identifier (UID based on 96 bits)
263   * @retval UID[63:32]
264   */
LL_GetUID_Word1(void)265 __STATIC_INLINE uint32_t LL_GetUID_Word1(void)
266 {
267   return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 4U))));
268 }
269 
270 /**
271   * @brief  Get Word2 of the unique device identifier (UID based on 96 bits)
272   * @retval UID[95:64]
273   */
LL_GetUID_Word2(void)274 __STATIC_INLINE uint32_t LL_GetUID_Word2(void)
275 {
276   return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 8U))));
277 }
278 
279 /**
280   * @brief  Get Flash memory size
281   * @note   This bitfield indicates the size of the device Flash memory expressed in
282   *         Kbytes. As an example, 0x040 corresponds to 64 Kbytes.
283   * @retval FLASH_SIZE[15:0]: Flash memory size
284   */
LL_GetFlashSize(void)285 __STATIC_INLINE uint32_t LL_GetFlashSize(void)
286 {
287   return (uint16_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)));
288 }
289 
290 /**
291   * @brief  Get Package type
292   * @retval Returned value can be one of the following values:
293   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP100
294   *         @arg @ref LL_UTILS_PACKAGETYPE_TQFP144
295   *         @arg @ref LL_UTILS_PACKAGETYPE_TQFP176_UFBGA176
296   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP208_TFBGA240
297   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP64 (*)
298   *         @arg @ref LL_UTILS_PACKAGETYPE_TFBGA100_LQFP100  (*)
299   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP100_SMPS  (*)
300   *         @arg @ref LL_UTILS_PACKAGETYPE_TFBGA100_SMPS  (*)
301   *         @arg @ref LL_UTILS_PACKAGETYPE_WLCSP132_SMPS  (*)
302   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP144     (*)
303   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP144_SMPS (*)
304   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA169  (*)
305   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA176_LQFP176  (*)
306   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP176_SMPS    (*)
307   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA176_SMPS   (*)
308   *         @arg @ref LL_UTILS_PACKAGETYPE_TFBGA216   (*)
309   *         @arg @ref LL_UTILS_PACKAGETYPE_TFBGA225   (*)
310   *         @arg @ref LL_UTILS_PACKAGETYPE_VFQFPN68_INDUS   (*)
311   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP100_INDUS   (*)
312   *         @arg @ref LL_UTILS_PACKAGETYPE_TFBGA100_INDUS   (*)
313   *         @arg @ref LL_UTILS_PACKAGETYPE_WLCSP115_INDUS   (*)
314   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA144   (*)
315   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP144_INDUS   (*)
316   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA169_INDUS   (*)
317   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA176+25_INDUS   (*)
318   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP176_INDUS   (*)
319   *
320   *        (*) Packages available on some STM32H7 lines only.
321   * @note   For some SM32H7 lines, enabling the SYSCFG clock is mandatory.
322             the SYSCFG clock enabling is ensured by LL_APB4_GRP1_EnableClock
323   */
LL_GetPackageType(void)324 __STATIC_INLINE uint32_t LL_GetPackageType(void)
325 {
326 #if defined(SYSCFG_PKGR_PKG)
327 
328   return LL_SYSCFG_GetPackage();
329 #else
330    return (uint16_t)(READ_REG(*((uint32_t *)PACKAGE_BASE_ADDRESS)));
331 
332 #endif  /* SYSCFG_PKGR_PKG */
333 }
334 
335 /**
336   * @}
337   */
338 
339 /** @defgroup UTILS_LL_EF_DELAY DELAY
340   * @{
341   */
342 
343 /**
344   * @brief  This function configures the Cortex-M SysTick source of the time base.
345   * @param  HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro)
346   * @note   When a RTOS is used, it is recommended to avoid changing the SysTick
347   *         configuration by calling this function, for a delay use rather osDelay RTOS service.
348   * @param  Ticks Number of ticks
349   * @retval None
350   */
LL_InitTick(uint32_t HCLKFrequency,uint32_t Ticks)351 __STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks)
352 {
353   /* Configure the SysTick to have interrupt in 1ms time base */
354   SysTick->LOAD  = (uint32_t)((HCLKFrequency / Ticks) - 1UL);  /* set reload register */
355   SysTick->VAL   = 0UL;                                       /* Load the SysTick Counter Value */
356   SysTick->CTRL  = SysTick_CTRL_CLKSOURCE_Msk |
357                    SysTick_CTRL_ENABLE_Msk;                   /* Enable the Systick Timer */
358 }
359 
360 void        LL_Init1msTick(uint32_t CPU_Frequency);
361 void        LL_mDelay(uint32_t Delay);
362 
363 /**
364   * @}
365   */
366 
367 /** @defgroup UTILS_EF_SYSTEM SYSTEM
368   * @{
369   */
370 
371 void        LL_SetSystemCoreClock(uint32_t CPU_Frequency);
372 ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
373                                          LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
374 ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency,
375                                          uint32_t HSEBypass,
376                                          LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
377                                          LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
378 ErrorStatus LL_SetFlashLatency(uint32_t HCLK_Frequency);
379 
380 /**
381   * @}
382   */
383 
384 /**
385   * @}
386   */
387 
388 /**
389   * @}
390   */
391 
392 /**
393   * @}
394   */
395 
396 #ifdef __cplusplus
397 }
398 #endif
399 
400 #endif /* STM32H7xx_LL_UTILS_H */
401 
402