1 /**
2   ******************************************************************************
3   * @file    stm32g0xx_ll_utils.h
4   * @author  MCD Application Team
5   * @brief   Header file of UTILS LL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2018 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 STM32G0xx_LL_UTILS_H
34 #define STM32G0xx_LL_UTILS_H
35 
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
40 /* Includes ------------------------------------------------------------------*/
41 #include "stm32g0xx.h"
42 
43 /** @addtogroup STM32G0xx_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 = 8 and Max_Data = 86
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 AHBCLKDivider;         /*!< The AHB clock (HCLK) 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 APB1CLKDivider;        /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
128                                        This parameter can be a value of @ref RCC_LL_EC_APB1_DIV
129 
130                                        This feature can be modified afterwards using unitary function
131                                        @ref LL_RCC_SetAPB1Prescaler(). */
132 } LL_UTILS_ClkInitTypeDef;
133 
134 /**
135   * @}
136   */
137 
138 /* Exported constants --------------------------------------------------------*/
139 /** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants
140   * @{
141   */
142 
143 /** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation
144   * @{
145   */
146 #define LL_UTILS_HSEBYPASS_OFF        0x00000000U       /*!< HSE Bypass is not enabled                */
147 #define LL_UTILS_HSEBYPASS_ON         0x00000001U       /*!< HSE Bypass is enabled                    */
148 /**
149   * @}
150   */
151 
152 /** @defgroup UTILS_EC_PACKAGETYPE PACKAGE TYPE
153   * @{
154   */
155 #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
156 #define LL_UTILS_PACKAGETYPE_QFP100         0x00000000U /*!< LQFP100  package type                               */
157 #define LL_UTILS_PACKAGETYPE_QFN32_GP       0x00000001U /*!< LQFP32/UFQFPN32 General purpose (GP)                */
158 #define LL_UTILS_PACKAGETYPE_QFN32_N        0x00000002U /*!< LQFP32/UFQFPN32 N-version                           */
159 #define LL_UTILS_PACKAGETYPE_QFN48_GP       0x00000004U /*!< LQFP48/UFQPN48 General purpose (GP)                 */
160 #define LL_UTILS_PACKAGETYPE_QFN48_N        0x00000005U /*!< LQFP48/UFQPN48 N-version                            */
161 #define LL_UTILS_PACKAGETYPE_WLCSP52        0x00000006U /*!< WLCSP52                                             */
162 #define LL_UTILS_PACKAGETYPE_QFN64_GP       0x00000007U /*!< LQFP64 General purpose (GP)                         */
163 #define LL_UTILS_PACKAGETYPE_QFN64_N        0x00000008U /*!< LQFP64 N-version                                    */
164 #define LL_UTILS_PACKAGETYPE_BGA64_N        0x0000000AU /*!< UFBGA64 N-version                                   */
165 #define LL_UTILS_PACKAGETYPE_QFP80          0x0000000BU /*!< LQFP80  package type                                */
166 #define LL_UTILS_PACKAGETYPE_BGA100         0x0000000CU /*!< UBGA100  package type                               */
167 #elif defined(STM32G061xx) || defined(STM32G051xx) || defined(STM32G050xx) || defined(STM32G041xx) || defined(STM32G031xx) || defined(STM32G030xx)
168 #define LL_UTILS_PACKAGETYPE_SO8            0x00000001U /*!< SO8 package type                                    */
169 #define LL_UTILS_PACKAGETYPE_WLCSP18        0x00000002U /*!< WLCSP18 package type                                */
170 #define LL_UTILS_PACKAGETYPE_TSSOP20        0x00000003U /*!< TSSOP20 package type                                */
171 #define LL_UTILS_PACKAGETYPE_QFP28          0x00000004U /*!< UFQFPN28 package type                               */
172 #define LL_UTILS_PACKAGETYPE_QFN32          0x00000005U /*!< UFQFPN32 / LQFP32 package type                      */
173 #define LL_UTILS_PACKAGETYPE_QFN48          0x00000007U /*!< UFQFPN48 / LQFP48 package type                      */
174 #elif defined(STM32G081xx) || defined(STM32G071xx) || defined(STM32G070xx)
175 #define LL_UTILS_PACKAGETYPE_QFN28_GP       0x00000000U /*!< UFQFPN28 general purpose (GP) package type          */
176 #define LL_UTILS_PACKAGETYPE_QFN28_PD       0x00000001U /*!< UFQFPN28 Power Delivery (PD)                        */
177 #define LL_UTILS_PACKAGETYPE_QFN32_GP       0x00000004U /*!< UFQFPN32 / LQFP32 general purpose (GP) package type */
178 #define LL_UTILS_PACKAGETYPE_QFN32_PD       0x00000005U /*!< UFQFPN32 / LQFP32 Power Delivery (PD) package type  */
179 #define LL_UTILS_PACKAGETYPE_QFN48          0x00000008U /*!< UFQFPN48 / LQFP488 package type                     */
180 #define LL_UTILS_PACKAGETYPE_QFP64          0x0000000CU /*!< LQPF64 package type                                 */
181 #endif /* STM32G0C1xx || STM32G0B1xx || STM32G0B0xx */
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 /**
202   * @brief  Get Word0 of the unique device identifier (UID based on 96 bits)
203   * @retval UID[31:0]: X and Y coordinates on the wafer expressed in BCD format
204   */
LL_GetUID_Word0(void)205 __STATIC_INLINE uint32_t LL_GetUID_Word0(void)
206 {
207   return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS)));
208 }
209 
210 /**
211   * @brief  Get Word1 of the unique device identifier (UID based on 96 bits)
212   * @retval UID[63:32]: Wafer number (UID[39:32]) & LOT_NUM[23:0] (UID[63:40])
213   */
LL_GetUID_Word1(void)214 __STATIC_INLINE uint32_t LL_GetUID_Word1(void)
215 {
216   return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 4U))));
217 }
218 
219 /**
220   * @brief  Get Word2 of the unique device identifier (UID based on 96 bits)
221   * @retval UID[95:64]: Lot number (ASCII encoded) - LOT_NUM[55:24]
222   */
LL_GetUID_Word2(void)223 __STATIC_INLINE uint32_t LL_GetUID_Word2(void)
224 {
225   return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 8U))));
226 }
227 
228 /**
229   * @brief  Get Flash memory size
230   * @note   This bitfield indicates the size of the device Flash memory expressed in
231   *         Kbytes. As an example, 0x040 corresponds to 64 Kbytes.
232   * @retval FLASH_SIZE[15:0]: Flash memory size
233   */
LL_GetFlashSize(void)234 __STATIC_INLINE uint32_t LL_GetFlashSize(void)
235 {
236   return (uint32_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)) & 0x0000FFFFUL);
237 }
238 
239 /**
240   * @brief  Get Package type
241   * @retval PKG[3:0]: Package type - This parameter can be a value of @ref UTILS_EC_PACKAGETYPE
242   * @if defined(STM32G0C1xx)
243   *         @arg @ref LL_UTILS_PACKAGETYPE_QFP100
244   *         @arg @ref LL_UTILS_PACKAGETYPE_QFN32_GP
245   *         @arg @ref LL_UTILS_PACKAGETYPE_QFN32_N
246   *         @arg @ref LL_UTILS_PACKAGETYPE_QFN48_GP
247   *         @arg @ref LL_UTILS_PACKAGETYPE_QFN48_N
248   *         @arg @ref LL_UTILS_PACKAGETYPE_WLCSP52
249   *         @arg @ref LL_UTILS_PACKAGETYPE_QFN64_GP
250   *         @arg @ref LL_UTILS_PACKAGETYPE_QFN64_N
251   *         @arg @ref LL_UTILS_PACKAGETYPE_BGA64_N
252   *         @arg @ref LL_UTILS_PACKAGETYPE_QFP80
253   *         @arg @ref LL_UTILS_PACKAGETYPE_BGA100
254   * @elif defined(STM32G061xx) || defined(STM32G041xx)
255   *         @arg @ref LL_UTILS_PACKAGETYPE_SO8
256   *         @arg @ref LL_UTILS_PACKAGETYPE_WLCSP18
257   *         @arg @ref LL_UTILS_PACKAGETYPE_TSSOP20
258   *         @arg @ref LL_UTILS_PACKAGETYPE_QFP28
259   *         @arg @ref LL_UTILS_PACKAGETYPE_QFN32
260   *         @arg @ref LL_UTILS_PACKAGETYPE_QFN48
261   * @elif defined(STM32G081xx)
262   *         @arg @ref LL_UTILS_PACKAGETYPE_QFN28_GP
263   *         @arg @ref LL_UTILS_PACKAGETYPE_QFN28_PD
264   *         @arg @ref LL_UTILS_PACKAGETYPE_QFN32_GP
265   *         @arg @ref LL_UTILS_PACKAGETYPE_QFN32_PD
266   *         @arg @ref LL_UTILS_PACKAGETYPE_QFN48
267   *         @arg @ref LL_UTILS_PACKAGETYPE_QFP64
268   * @endif
269   *
270   */
LL_GetPackageType(void)271 __STATIC_INLINE uint32_t LL_GetPackageType(void)
272 {
273 #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
274   return (uint32_t)(READ_REG(*((uint32_t *)PACKAGE_BASE_ADDRESS)) & 0x1FU);
275 #else
276   return (uint32_t)(READ_REG(*((uint32_t *)PACKAGE_BASE_ADDRESS)) & 0xFU);
277 #endif /* STM32G0C1xx || STM32G0B1xx || STM32G0B0xx */
278 }
279 
280 /**
281   * @}
282   */
283 
284 /** @defgroup UTILS_LL_EF_DELAY DELAY
285   * @{
286   */
287 
288 /**
289   * @brief  This function configures the Cortex-M SysTick source of the time base.
290   * @param  HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro)
291   * @note   When a RTOS is used, it is recommended to avoid changing the SysTick
292   *         configuration by calling this function, for a delay use rather osDelay RTOS service.
293   * @param  Ticks Number of ticks
294   * @retval None
295   */
LL_InitTick(uint32_t HCLKFrequency,uint32_t Ticks)296 __STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks)
297 {
298   /* Configure the SysTick to have interrupt in 1ms time base */
299   SysTick->LOAD  = (uint32_t)((HCLKFrequency / Ticks) - 1UL);  /* set reload register */
300   SysTick->VAL   = 0UL;                                       /* Load the SysTick Counter Value */
301   SysTick->CTRL  = SysTick_CTRL_CLKSOURCE_Msk |
302                    SysTick_CTRL_ENABLE_Msk;                   /* Enable the Systick Timer */
303 }
304 
305 void        LL_Init1msTick(uint32_t HCLKFrequency);
306 void        LL_mDelay(uint32_t Delay);
307 
308 /**
309   * @}
310   */
311 
312 /** @defgroup UTILS_EF_SYSTEM SYSTEM
313   * @{
314   */
315 
316 void        LL_SetSystemCoreClock(uint32_t HCLKFrequency);
317 ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
318                                          LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
319 ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency, uint32_t HSEBypass,
320                                          LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
321 ErrorStatus LL_SetFlashLatency(uint32_t HCLKFrequency);
322 
323 /**
324   * @}
325   */
326 
327 /**
328   * @}
329   */
330 
331 /**
332   * @}
333   */
334 
335 /**
336   * @}
337   */
338 
339 #ifdef __cplusplus
340 }
341 #endif
342 
343 #endif /* STM32G0xx_LL_UTILS_H */
344