1 /**
2   ******************************************************************************
3   * @file    stm32wlxx_ll_utils.h
4   * @author  MCD Application Team
5   * @brief   Header file of UTILS LL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2020 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 __STM32WLxx_LL_UTILS_H
34 #define __STM32WLxx_LL_UTILS_H
35 
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
40 /* Includes ------------------------------------------------------------------*/
41 #include "stm32wlxx.h"
42 
43 /** @addtogroup STM32WLxx_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
122                                        (SYSCLK).
123                                         This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV
124 
125                                         This feature can be modified afterwards using unitary function
126                                         @ref LL_RCC_SetAHBPrescaler(). */
127 
128 #if defined(DUAL_CORE)
129   uint32_t CPU2CLKDivider;         /*!< The CPU2 clock (HCLK2) divider. This clock is derived from the system clock
130                                         (SYSCLK).
131                                         This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV
132 
133                                         This feature can be modified afterwards using unitary function
134                                         @ref LL_C2_RCC_SetAHBPrescaler(). */
135 #endif /* DUAL_CORE */
136 
137   uint32_t AHB3CLKDivider;         /*!< The AHBS clock (HCLK3) divider. This clock is derived from the system clock
138                                         (SYSCLK).
139                                         This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV
140 
141                                         This feature can be modified afterwards using unitary function
142                                         @ref LL_RCC_SetAHB3Prescaler(). */
143 
144   uint32_t APB1CLKDivider;        /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK1).
145                                        This parameter can be a value of @ref RCC_LL_EC_APB1_DIV
146 
147                                        This feature can be modified afterwards using unitary function
148                                        @ref LL_RCC_SetAPB1Prescaler(). */
149 
150   uint32_t APB2CLKDivider;        /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK1).
151                                        This parameter can be a value of @ref RCC_LL_EC_APB2_DIV
152 
153                                        This feature can be modified afterwards using unitary function
154                                        @ref LL_RCC_SetAPB2Prescaler(). */
155 
156 } LL_UTILS_ClkInitTypeDef;
157 
158 /**
159   * @}
160   */
161 
162 /* Exported constants --------------------------------------------------------*/
163 /** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants
164   * @{
165   */
166 
167 /** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation
168   * @{
169   */
170 #define LL_UTILS_HSEBYPASS_OFF        0x00000000U       /*!< HSE Bypass is not enabled                */
171 #define LL_UTILS_HSEBYPASS_ON         0x00000001U       /*!< HSE Bypass is enabled                    */
172 /**
173   * @}
174   */
175 
176 /** @defgroup UTILS_EC_PACKAGETYPE PACKAGE TYPE
177   * @{
178   */
179 #define LL_UTILS_PACKAGETYPE_UFBGA73        0x00000000U /*!< UFBGA73  package type */
180 #define LL_UTILS_PACKAGETYPE_WLCSP59        0x00000002U /*!< WLSCSP59 package type */
181 #define LL_UTILS_PACKAGETYPE_UFQFPN48       0x00000010U /*!< UFQPFN48 package type */
182 /**
183   * @}
184   */
185 
186 /**
187   * @}
188   */
189 
190 /* Exported macro ------------------------------------------------------------*/
191 
192 /* Exported functions --------------------------------------------------------*/
193 /** @defgroup UTILS_LL_Exported_Functions UTILS Exported Functions
194   * @{
195   */
196 
197 /** @defgroup UTILS_EF_DEVICE_ELECTRONIC_SIGNATURE DEVICE ELECTRONIC SIGNATURE
198   * @{
199   */
200 /**
201   * @brief  Get Word0 of the unique device identifier (UID based on 96 bits)
202   * @retval UID[31:0]: X and Y coordinates on the wafer expressed in BCD format
203   */
LL_GetUID_Word0(void)204 __STATIC_INLINE uint32_t LL_GetUID_Word0(void)
205 {
206   return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS)));
207 }
208 
209 /**
210   * @brief  Get Word1 of the unique device identifier (UID based on 96 bits)
211   * @retval UID[63:32]: Wafer number (UID[39:32]) & LOT_NUM[23:0] (UID[63:40])
212   */
LL_GetUID_Word1(void)213 __STATIC_INLINE uint32_t LL_GetUID_Word1(void)
214 {
215   return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 4U))));
216 }
217 
218 /**
219   * @brief  Get Word2 of the unique device identifier (UID based on 96 bits)
220   * @retval UID[95:64]: Lot number (ASCII encoded) - LOT_NUM[55:24]
221   */
LL_GetUID_Word2(void)222 __STATIC_INLINE uint32_t LL_GetUID_Word2(void)
223 {
224   return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 8U))));
225 }
226 
227 /**
228   * @brief  Get Flash memory size
229   * @note   This bitfield indicates the size of the device Flash memory expressed in
230   *         Kbytes. As an example, 0x040 corresponds to 64 Kbytes.
231   * @retval FLASH_SIZE[15:0]: Flash memory size
232   */
LL_GetFlashSize(void)233 __STATIC_INLINE uint32_t LL_GetFlashSize(void)
234 {
235   return (uint32_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)) & 0xFFFFUL);
236 }
237 
238 /**
239   * @brief  Get Package type
240   * @retval Returned value can be one of the following values:
241   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA73
242   *         @arg @ref LL_UTILS_PACKAGETYPE_UFQFPN48
243   *         @arg @ref LL_UTILS_PACKAGETYPE_WLCSP59
244   *
245   */
LL_GetPackageType(void)246 __STATIC_INLINE uint32_t LL_GetPackageType(void)
247 {
248   return (uint32_t)(READ_REG(*((uint32_t *)PACKAGE_BASE_ADDRESS)) & 0x1FU);
249 }
250 
251 /**
252   * @}
253   */
254 
255 /** @defgroup UTILS_LL_EF_DELAY DELAY
256   * @{
257   */
258 #if defined(CORE_CM0PLUS)
259 /**
260   * @brief  This function configures the Cortex-M SysTick source of the time base.
261   * @param  HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro or function
262   *         @ref LL_RCC_GetSystemClocksFreq (HCLK2_Frequency field))
263   * @note   When a RTOS is used, it is recommended to avoid changing the SysTick
264   *         configuration by calling this function, for a delay use rather osDelay RTOS service.
265   * @param  Ticks Number of ticks
266   * @retval None
267   */
268 #else
269 /**
270   * @brief  This function configures the Cortex-M SysTick source of the time base.
271   * @param  HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro or function
272   *         @ref LL_RCC_GetSystemClocksFreq (HCLK1_Frequency field))
273   * @note   When a RTOS is used, it is recommended to avoid changing the SysTick
274   *         configuration by calling this function, for a delay use rather osDelay RTOS service.
275   * @param  Ticks Number of ticks
276   * @retval None
277   */
278 #endif /* CORE_CM0PLUS */
LL_InitTick(uint32_t HCLKFrequency,uint32_t Ticks)279 __STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks)
280 {
281   if (Ticks > 0U)
282   {
283     /* Configure the SysTick to have interrupt in 1ms time base */
284     SysTick->LOAD  = (uint32_t)((HCLKFrequency / Ticks) - 1UL);  /* set reload register */
285     SysTick->VAL   = 0UL;                                       /* Load the SysTick Counter Value */
286     SysTick->CTRL  = SysTick_CTRL_CLKSOURCE_Msk |
287                      SysTick_CTRL_ENABLE_Msk;                   /* Enable the Systick Timer */
288   }
289 }
290 
291 void        LL_Init1msTick(uint32_t HCLKFrequency);
292 
293 void        LL_mDelay(uint32_t Delay);
294 
295 /**
296   * @}
297   */
298 
299 /** @defgroup UTILS_EF_SYSTEM SYSTEM
300   * @{
301   */
302 
303 void        LL_SetSystemCoreClock(uint32_t HCLKFrequency);
304 ErrorStatus LL_SetFlashLatency(uint32_t HCLK3_Frequency);
305 ErrorStatus LL_PLL_ConfigSystemClock_MSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
306                                          LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
307 ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
308                                          LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
309 ErrorStatus LL_PLL_ConfigSystemClock_HSE(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
310                                          LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
311 
312 
313 /**
314   * @}
315   */
316 
317 /**
318   * @}
319   */
320 
321 /**
322   * @}
323   */
324 
325 /**
326   * @}
327   */
328 
329 #ifdef __cplusplus
330 }
331 #endif
332 
333 #endif /* __STM32WLxx_LL_UTILS_H */
334