1 /**
2   ******************************************************************************
3   * @file    stm32wbxx_ll_utils.h
4   * @author  MCD Application Team
5   * @brief   Header file of UTILS LL 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   @verbatim
18   ==============================================================================
19                      ##### How to use this driver #####
20   ==============================================================================
21     [..]
22     The LL UTILS driver contains a set of generic APIs that can be
23     used by user:
24       (+) Device electronic signature
25       (+) Timing functions
26       (+) PLL configuration functions
27 
28   @endverbatim
29   ******************************************************************************
30   */
31 
32 /* Define to prevent recursive inclusion -------------------------------------*/
33 #ifndef STM32WBxx_LL_UTILS_H
34 #define STM32WBxx_LL_UTILS_H
35 
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
40 /* Includes ------------------------------------------------------------------*/
41 #include "stm32wbxx.h"
42 
43 /** @addtogroup STM32WBxx_LL_Driver
44   * @{
45   */
46 
47 /** @defgroup UTILS_LL UTILS
48   * @{
49   */
50 
51 /* Private types -------------------------------------------------------------*/
52 /* Private variables ---------------------------------------------------------*/
53 
54 /* Private constants ---------------------------------------------------------*/
55 /** @defgroup UTILS_LL_Private_Constants UTILS Private Constants
56   * @{
57   */
58 
59 /* Max delay can be used in LL_mDelay */
60 #define LL_MAX_DELAY                  0xFFFFFFFFU
61 
62 /**
63   * @brief Unique device ID register base address
64   */
65 #define UID_BASE_ADDRESS              UID_BASE
66 
67 /**
68   * @brief Flash size data register base address
69   */
70 #define FLASHSIZE_BASE_ADDRESS        FLASHSIZE_BASE
71 
72 /**
73   * @brief Package data register base address
74   */
75 #define PACKAGE_BASE_ADDRESS          PACKAGE_BASE
76 
77 /**
78   * @}
79   */
80 
81 /* Private macros ------------------------------------------------------------*/
82 /** @defgroup UTILS_LL_Private_Macros UTILS Private Macros
83   * @{
84   */
85 /**
86   * @}
87   */
88 /* Exported types ------------------------------------------------------------*/
89 /** @defgroup UTILS_LL_ES_INIT UTILS Exported structures
90   * @{
91   */
92 /**
93   * @brief  UTILS PLL structure definition
94   */
95 typedef struct
96 {
97   uint32_t PLLM;   /*!< Division factor for PLL VCO input clock.
98                         This parameter can be a value of @ref RCC_LL_EC_PLLM_DIV.
99 
100                         This feature can be modified afterwards using unitary function
101                         @ref LL_RCC_PLL_ConfigDomain_SYS(). */
102 
103   uint32_t PLLN;   /*!< Multiplication factor for PLL VCO output clock.
104                         This parameter must be a number between Min_Data = 6 and Max_Data = 127.
105 
106                         This feature can be modified afterwards using unitary function
107                         @ref LL_RCC_PLL_ConfigDomain_SYS(). */
108 
109   uint32_t PLLR;   /*!< Division for the main system clock.
110                         This parameter can be a value of @ref RCC_LL_EC_PLLR_DIV.
111 
112                         This feature can be modified afterwards using unitary function
113                         @ref LL_RCC_PLL_ConfigDomain_SYS(). */
114 } LL_UTILS_PLLInitTypeDef;
115 
116 /**
117   * @brief  UTILS System, AHB and APB buses clock configuration structure definition
118   */
119 typedef struct
120 {
121   uint32_t CPU1CLKDivider;         /*!< The CPU1 clock (HCLK1) divider. This clock is derived from the system clock (SYSCLK).
122                                         This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV.
123 
124                                         This feature can be modified afterwards using unitary function
125                                         @ref LL_RCC_SetAHBPrescaler(). */
126 
127   uint32_t CPU2CLKDivider;         /*!< The CPU2 clock (HCLK2) divider. This clock is derived from the system clock (SYSCLK).
128                                         This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV.
129 
130                                         This feature can be modified afterwards using unitary function
131                                         @ref LL_C2_RCC_SetAHBPrescaler(). */
132 
133   uint32_t AHB4CLKDivider;         /*!< The AHBS clock (HCLK4) divider. This clock is derived from the system clock (SYSCLK).
134                                         This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV.
135 
136                                         This feature can be modified afterwards using unitary function
137                                         @ref LL_RCC_SetAHB4Prescaler(). */
138 
139   uint32_t APB1CLKDivider;        /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK1).
140                                        This parameter can be a value of @ref RCC_LL_EC_APB1_DIV.
141 
142                                        This feature can be modified afterwards using unitary function
143                                        @ref LL_RCC_SetAPB1Prescaler(). */
144 
145   uint32_t APB2CLKDivider;        /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK1).
146                                        This parameter can be a value of @ref RCC_LL_EC_APB2_DIV.
147 
148                                        This feature can be modified afterwards using unitary function
149                                        @ref LL_RCC_SetAPB2Prescaler(). */
150 
151 } LL_UTILS_ClkInitTypeDef;
152 
153 /**
154   * @}
155   */
156 
157 /* Exported constants --------------------------------------------------------*/
158 /** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants
159   * @{
160   */
161 
162 /** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation
163   * @{
164   */
165 #define LL_UTILS_HSEBYPASS_OFF        0x00000000U       /*!< HSE Bypass is not enabled                */
166 #define LL_UTILS_HSEBYPASS_ON         0x00000001U       /*!< HSE Bypass is enabled                    */
167 /**
168   * @}
169   */
170 
171 /** @defgroup UTILS_EC_PACKAGETYPE PACKAGE TYPE
172   * @{
173   */
174 #define LL_UTILS_PACKAGETYPE_CSP100         0x00000011U /*!< CSP100/BGA129 package type               */
175 #define LL_UTILS_PACKAGETYPE_QFN68          0x00000013U /*!< QFN68 package type                       */
176 #define LL_UTILS_PACKAGETYPE_QFN48          0x0000000AU /*!< QFN48 package type                       */
177 
178 /**
179   * @}
180   */
181 
182 /**
183   * @}
184   */
185 
186 /* Exported macro ------------------------------------------------------------*/
187 
188 /* Exported functions --------------------------------------------------------*/
189 /** @defgroup UTILS_LL_Exported_Functions UTILS Exported Functions
190   * @{
191   */
192 
193 /** @defgroup UTILS_EF_DEVICE_ELECTRONIC_SIGNATURE DEVICE ELECTRONIC SIGNATURE
194   * @{
195   */
196 /**
197   * @brief  Get Word0 of the unique device identifier (UID based on 96 bits)
198   * @retval UID[31:0]: X and Y coordinates on the wafer expressed in BCD format
199   */
LL_GetUID_Word0(void)200 __STATIC_INLINE uint32_t LL_GetUID_Word0(void)
201 {
202   return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS)));
203 }
204 
205 /**
206   * @brief  Get Word1 of the unique device identifier (UID based on 96 bits)
207   * @retval UID[63:32]: Wafer number (UID[39:32]) & LOT_NUM[23:0] (UID[63:40])
208   */
LL_GetUID_Word1(void)209 __STATIC_INLINE uint32_t LL_GetUID_Word1(void)
210 {
211   return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 4U))));
212 }
213 
214 /**
215   * @brief  Get Word2 of the unique device identifier (UID based on 96 bits)
216   * @retval UID[95:64]: Lot number (ASCII encoded) - LOT_NUM[55:24]
217   */
LL_GetUID_Word2(void)218 __STATIC_INLINE uint32_t LL_GetUID_Word2(void)
219 {
220   return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 8U))));
221 }
222 
223 /**
224   * @brief  Get Flash memory size
225   * @note   This bitfield indicates the size of the device Flash memory expressed in
226   *         Kbytes. As an example, 0x040 corresponds to 64 Kbytes.
227   * @retval FLASH_SIZE[15:0]: Flash memory size
228   */
LL_GetFlashSize(void)229 __STATIC_INLINE uint32_t LL_GetFlashSize(void)
230 {
231   return (uint32_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)) & 0x0000FFFFUL);
232 }
233 
234 /**
235   * @brief  Get Package type
236   * @retval Returned value can be one of the following values:
237   *         @arg @ref LL_UTILS_PACKAGETYPE_CSP100
238   *         @arg @ref LL_UTILS_PACKAGETYPE_QFN68
239   *         @arg @ref LL_UTILS_PACKAGETYPE_QFN48
240   *
241   */
LL_GetPackageType(void)242 __STATIC_INLINE uint32_t LL_GetPackageType(void)
243 {
244   return (uint32_t)(READ_REG(*((uint32_t *)PACKAGE_BASE_ADDRESS)) & 0x1FU);
245 }
246 
247 /**
248   * @}
249   */
250 
251 /** @defgroup UTILS_LL_EF_DELAY DELAY
252   * @{
253   */
254 /**
255   * @brief  This function configures the Cortex-M SysTick source of the time base.
256   * @param  HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro or function @ref LL_RCC_GetSystemClocksFreq (HCLK1_Frequency field))
257   * @note   When a RTOS is used, it is recommended to avoid changing the SysTick
258   *         configuration by calling this function, for a delay use rather osDelay RTOS service.
259   * @param  Ticks Number of ticks
260   * @retval None
261   */
LL_InitTick(uint32_t HCLKFrequency,uint32_t Ticks)262 __STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks)
263 {
264   /* Configure the SysTick to have interrupt in 1ms time base */
265   SysTick->LOAD  = (uint32_t)((HCLKFrequency / Ticks) - 1UL);  /* set reload register */
266   SysTick->VAL   = 0UL;                                       /* Load the SysTick Counter Value */
267   SysTick->CTRL  = SysTick_CTRL_CLKSOURCE_Msk |
268                    SysTick_CTRL_ENABLE_Msk;                   /* Enable the Systick Timer */
269 }
270 
271 void        LL_Init1msTick(uint32_t HCLKFrequency);
272 
273 void        LL_mDelay(uint32_t Delay);
274 
275 /**
276   * @}
277   */
278 
279 /** @defgroup UTILS_EF_SYSTEM SYSTEM
280   * @{
281   */
282 
283 void        LL_SetSystemCoreClock(uint32_t HCLKFrequency);
284 ErrorStatus LL_SetFlashLatency(uint32_t HCLK4Frequency);
285 ErrorStatus LL_PLL_ConfigSystemClock_MSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
286                                          LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
287 ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
288                                          LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
289 ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEBypass,
290                                          LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
291 
292 /**
293   * @}
294   */
295 
296 /**
297   * @}
298   */
299 
300 /**
301   * @}
302   */
303 
304 /**
305   * @}
306   */
307 
308 #ifdef __cplusplus
309 }
310 #endif
311 
312 #endif /* STM32WBxx_LL_UTILS_H */
313