2 ******************************************************************************
3 * @file stm32f4xx_hal_rcc.h
4 * @author MCD Application Team
7 * @brief Header file of RCC HAL module.
8 ******************************************************************************
11 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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14 * are permitted provided that the following conditions are met:
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35 ******************************************************************************
38 /* Define to prevent recursive inclusion -------------------------------------*/
39 #ifndef __STM32F4xx_HAL_RCC_H
40 #define __STM32F4xx_HAL_RCC_H
46 /* Includes ------------------------------------------------------------------*/
47 #include "stm32f4xx_hal_def.h"
49 /** @addtogroup STM32F4xx_HAL_Driver
57 /* Exported types ------------------------------------------------------------*/
60 * @brief RCC PLL configuration structure definition
64 uint32_t PLLState; /*!< The new state of the PLL.
65 This parameter can be a value of @ref RCC_PLL_Config */
67 uint32_t PLLSource; /*!< RCC_PLLSource: PLL entry clock source.
68 This parameter must be a value of @ref RCC_PLL_Clock_Source */
70 uint32_t PLLM; /*!< PLLM: Division factor for PLL VCO input clock.
71 This parameter must be a number between Min_Data = 0 and Max_Data = 63 */
73 uint32_t PLLN; /*!< PLLN: Multiplication factor for PLL VCO output clock.
74 This parameter must be a number between Min_Data = 192 and Max_Data = 432 */
76 uint32_t PLLP; /*!< PLLP: Division factor for main system clock (SYSCLK).
77 This parameter must be a value of @ref RCC_PLLP_Clock_Divider */
79 uint32_t PLLQ; /*!< PLLQ: Division factor for OTG FS, SDIO and RNG clocks.
80 This parameter must be a number between Min_Data = 0 and Max_Data = 63 */
85 * @brief RCC Internal/External Oscillator (HSE, HSI, LSE and LSI) configuration structure definition
89 uint32_t OscillatorType; /*!< The oscillators to be configured.
90 This parameter can be a value of @ref RCC_Oscillator_Type */
92 uint32_t HSEState; /*!< The new state of the HSE.
93 This parameter can be a value of @ref RCC_HSE_Config */
95 uint32_t LSEState; /*!< The new state of the LSE.
96 This parameter can be a value of @ref RCC_LSE_Config */
98 uint32_t HSIState; /*!< The new state of the HSI.
99 This parameter can be a value of @ref RCC_HSI_Config */
101 uint32_t HSICalibrationValue; /*!< The calibration trimming value.
102 This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1F */
104 uint32_t LSIState; /*!< The new state of the LSI.
105 This parameter can be a value of @ref RCC_LSI_Config */
107 RCC_PLLInitTypeDef PLL; /*!< PLL structure parameters */
112 * @brief RCC System, AHB and APB busses clock configuration structure definition
116 uint32_t ClockType; /*!< The clock to be configured.
117 This parameter can be a value of @ref RCC_System_Clock_Type */
119 uint32_t SYSCLKSource; /*!< The clock source (SYSCLKS) used as system clock.
120 This parameter can be a value of @ref RCC_System_Clock_Source */
122 uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
123 This parameter can be a value of @ref RCC_AHB_Clock_Source */
125 uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
126 This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
128 uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
129 This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
133 /* Exported constants --------------------------------------------------------*/
134 /** @defgroup RCC_Exported_Constants
138 /** @defgroup RCC_BitAddress_AliasRegion
139 * @brief RCC registers bit address in the alias region
142 #define RCC_OFFSET (RCC_BASE - PERIPH_BASE)
143 /* --- CR Register ---*/
144 /* Alias word address of HSION bit */
145 #define RCC_CR_OFFSET (RCC_OFFSET + 0x00)
146 #define HSION_BitNumber 0x00
147 #define CR_HSION_BB (PERIPH_BB_BASE + (RCC_CR_OFFSET * 32) + (HSION_BitNumber * 4))
148 /* Alias word address of CSSON bit */
149 #define CSSON_BitNumber 0x13
150 #define CR_CSSON_BB (PERIPH_BB_BASE + (RCC_CR_OFFSET * 32) + (CSSON_BitNumber * 4))
151 /* Alias word address of PLLON bit */
152 #define PLLON_BitNumber 0x18
153 #define CR_PLLON_BB (PERIPH_BB_BASE + (RCC_CR_OFFSET * 32) + (PLLON_BitNumber * 4))
154 /* Alias word address of PLLI2SON bit */
155 #define PLLI2SON_BitNumber 0x1A
156 #define CR_PLLI2SON_BB (PERIPH_BB_BASE + (RCC_CR_OFFSET * 32) + (PLLI2SON_BitNumber * 4))
158 /* --- CFGR Register ---*/
159 /* Alias word address of I2SSRC bit */
160 #define RCC_CFGR_OFFSET (RCC_OFFSET + 0x08)
161 #define I2SSRC_BitNumber 0x17
162 #define CFGR_I2SSRC_BB (PERIPH_BB_BASE + (RCC_CFGR_OFFSET * 32) + (I2SSRC_BitNumber * 4))
164 /* --- BDCR Register ---*/
165 /* Alias word address of RTCEN bit */
166 #define RCC_BDCR_OFFSET (RCC_OFFSET + 0x70)
167 #define RTCEN_BitNumber 0x0F
168 #define BDCR_RTCEN_BB (PERIPH_BB_BASE + (RCC_BDCR_OFFSET * 32) + (RTCEN_BitNumber * 4))
169 /* Alias word address of BDRST bit */
170 #define BDRST_BitNumber 0x10
171 #define BDCR_BDRST_BB (PERIPH_BB_BASE + (RCC_BDCR_OFFSET * 32) + (BDRST_BitNumber * 4))
173 /* --- CSR Register ---*/
174 /* Alias word address of LSION bit */
175 #define RCC_CSR_OFFSET (RCC_OFFSET + 0x74)
176 #define LSION_BitNumber 0x00
177 #define CSR_LSION_BB (PERIPH_BB_BASE + (RCC_CSR_OFFSET * 32) + (LSION_BitNumber * 4))
179 /* CR register byte 3 (Bits[23:16]) base address */
180 #define CR_BYTE2_ADDRESS ((uint32_t)0x40023802)
182 /* CIR register byte 2 (Bits[15:8]) base address */
183 #define CIR_BYTE1_ADDRESS ((uint32_t)(RCC_BASE + 0x0C + 0x01))
185 /* CIR register byte 3 (Bits[23:16]) base address */
186 #define CIR_BYTE2_ADDRESS ((uint32_t)(RCC_BASE + 0x0C + 0x02))
188 /* BDCR register base address */
189 #define BDCR_BYTE0_ADDRESS (PERIPH_BASE + RCC_BDCR_OFFSET)
192 #define DBP_TIMEOUT_VALUE ((uint32_t)100)
193 #define LSE_TIMEOUT_VALUE ((uint32_t)5000)
198 /** @defgroup RCC_Oscillator_Type
201 #define RCC_OSCILLATORTYPE_NONE ((uint32_t)0x00000000)
202 #define RCC_OSCILLATORTYPE_HSE ((uint32_t)0x00000001)
203 #define RCC_OSCILLATORTYPE_HSI ((uint32_t)0x00000002)
204 #define RCC_OSCILLATORTYPE_LSE ((uint32_t)0x00000004)
205 #define RCC_OSCILLATORTYPE_LSI ((uint32_t)0x00000008)
207 #define IS_RCC_OSCILLATORTYPE(OSCILLATOR) ((OSCILLATOR) <= 15)
212 /** @defgroup RCC_HSE_Config
215 #define RCC_HSE_OFF ((uint8_t)0x00)
216 #define RCC_HSE_ON ((uint8_t)0x01)
217 #define RCC_HSE_BYPASS ((uint8_t)0x05)
219 #define IS_RCC_HSE(HSE) (((HSE) == RCC_HSE_OFF) || ((HSE) == RCC_HSE_ON) || \
220 ((HSE) == RCC_HSE_BYPASS))
225 /** @defgroup RCC_LSE_Config
228 #define RCC_LSE_OFF ((uint8_t)0x00)
229 #define RCC_LSE_ON ((uint8_t)0x01)
230 #define RCC_LSE_BYPASS ((uint8_t)0x05)
232 #define IS_RCC_LSE(LSE) (((LSE) == RCC_LSE_OFF) || ((LSE) == RCC_LSE_ON) || \
233 ((LSE) == RCC_LSE_BYPASS))
238 /** @defgroup RCC_HSI_Config
241 #define RCC_HSI_OFF ((uint8_t)0x00)
242 #define RCC_HSI_ON ((uint8_t)0x01)
244 #define IS_RCC_HSI(HSI) (((HSI) == RCC_HSI_OFF) || ((HSI) == RCC_HSI_ON))
249 /** @defgroup RCC_LSI_Config
252 #define RCC_LSI_OFF ((uint8_t)0x00)
253 #define RCC_LSI_ON ((uint8_t)0x01)
255 #define IS_RCC_LSI(LSI) (((LSI) == RCC_LSI_OFF) || ((LSI) == RCC_LSI_ON))
260 /** @defgroup RCC_PLL_Config
263 #define RCC_PLL_NONE ((uint8_t)0x00)
264 #define RCC_PLL_OFF ((uint8_t)0x01)
265 #define RCC_PLL_ON ((uint8_t)0x02)
267 #define IS_RCC_PLL(PLL) (((PLL) == RCC_PLL_NONE) ||((PLL) == RCC_PLL_OFF) || ((PLL) == RCC_PLL_ON))
272 /** @defgroup RCC_PLLP_Clock_Divider
275 #define RCC_PLLP_DIV2 ((uint32_t)0x00000002)
276 #define RCC_PLLP_DIV4 ((uint32_t)0x00000004)
277 #define RCC_PLLP_DIV6 ((uint32_t)0x00000006)
278 #define RCC_PLLP_DIV8 ((uint32_t)0x00000008)
283 /** @defgroup RCC_PLL_Clock_Source
286 #define RCC_PLLSOURCE_HSI RCC_PLLCFGR_PLLSRC_HSI
287 #define RCC_PLLSOURCE_HSE RCC_PLLCFGR_PLLSRC_HSE
289 #define IS_RCC_PLLSOURCE(SOURCE) (((SOURCE) == RCC_PLLSOURCE_HSI) || \
290 ((SOURCE) == RCC_PLLSOURCE_HSE))
291 #define IS_RCC_PLLM_VALUE(VALUE) ((VALUE) <= 63)
292 #define IS_RCC_PLLN_VALUE(VALUE) ((192 <= (VALUE)) && ((VALUE) <= 432))
293 #define IS_RCC_PLLP_VALUE(VALUE) (((VALUE) == 2) || ((VALUE) == 4) || ((VALUE) == 6) || ((VALUE) == 8))
294 #define IS_RCC_PLLQ_VALUE(VALUE) ((4 <= (VALUE)) && ((VALUE) <= 15))
296 #define IS_RCC_PLLI2SN_VALUE(VALUE) ((192 <= (VALUE)) && ((VALUE) <= 432))
297 #define IS_RCC_PLLI2SR_VALUE(VALUE) ((2 <= (VALUE)) && ((VALUE) <= 7))
303 /** @defgroup RCC_System_Clock_Type
306 #define RCC_CLOCKTYPE_SYSCLK ((uint32_t)0x00000001)
307 #define RCC_CLOCKTYPE_HCLK ((uint32_t)0x00000002)
308 #define RCC_CLOCKTYPE_PCLK1 ((uint32_t)0x00000004)
309 #define RCC_CLOCKTYPE_PCLK2 ((uint32_t)0x00000008)
311 #define IS_RCC_CLOCKTYPE(CLK) ((1 <= (CLK)) && ((CLK) <= 15))
316 /** @defgroup RCC_System_Clock_Source
319 #define RCC_SYSCLKSOURCE_HSI RCC_CFGR_SW_HSI
320 #define RCC_SYSCLKSOURCE_HSE RCC_CFGR_SW_HSE
321 #define RCC_SYSCLKSOURCE_PLLCLK RCC_CFGR_SW_PLL
323 #define IS_RCC_SYSCLKSOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSOURCE_HSI) || \
324 ((SOURCE) == RCC_SYSCLKSOURCE_HSE) || \
325 ((SOURCE) == RCC_SYSCLKSOURCE_PLLCLK))
330 /** @defgroup RCC_AHB_Clock_Source
333 #define RCC_SYSCLK_DIV1 RCC_CFGR_HPRE_DIV1
334 #define RCC_SYSCLK_DIV2 RCC_CFGR_HPRE_DIV2
335 #define RCC_SYSCLK_DIV4 RCC_CFGR_HPRE_DIV4
336 #define RCC_SYSCLK_DIV8 RCC_CFGR_HPRE_DIV8
337 #define RCC_SYSCLK_DIV16 RCC_CFGR_HPRE_DIV16
338 #define RCC_SYSCLK_DIV64 RCC_CFGR_HPRE_DIV64
339 #define RCC_SYSCLK_DIV128 RCC_CFGR_HPRE_DIV128
340 #define RCC_SYSCLK_DIV256 RCC_CFGR_HPRE_DIV256
341 #define RCC_SYSCLK_DIV512 RCC_CFGR_HPRE_DIV512
343 #define IS_RCC_HCLK(HCLK) (((HCLK) == RCC_SYSCLK_DIV1) || ((HCLK) == RCC_SYSCLK_DIV2) || \
344 ((HCLK) == RCC_SYSCLK_DIV4) || ((HCLK) == RCC_SYSCLK_DIV8) || \
345 ((HCLK) == RCC_SYSCLK_DIV16) || ((HCLK) == RCC_SYSCLK_DIV64) || \
346 ((HCLK) == RCC_SYSCLK_DIV128) || ((HCLK) == RCC_SYSCLK_DIV256) || \
347 ((HCLK) == RCC_SYSCLK_DIV512))
352 /** @defgroup RCC_APB1_APB2_Clock_Source
355 #define RCC_HCLK_DIV1 RCC_CFGR_PPRE1_DIV1
356 #define RCC_HCLK_DIV2 RCC_CFGR_PPRE1_DIV2
357 #define RCC_HCLK_DIV4 RCC_CFGR_PPRE1_DIV4
358 #define RCC_HCLK_DIV8 RCC_CFGR_PPRE1_DIV8
359 #define RCC_HCLK_DIV16 RCC_CFGR_PPRE1_DIV16
361 #define IS_RCC_PCLK(PCLK) (((PCLK) == RCC_HCLK_DIV1) || ((PCLK) == RCC_HCLK_DIV2) || \
362 ((PCLK) == RCC_HCLK_DIV4) || ((PCLK) == RCC_HCLK_DIV8) || \
363 ((PCLK) == RCC_HCLK_DIV16))
368 /** @defgroup RCC_RTC_Clock_Source
371 #define RCC_RTCCLKSOURCE_LSE ((uint32_t)0x00000100)
372 #define RCC_RTCCLKSOURCE_LSI ((uint32_t)0x00000200)
373 #define RCC_RTCCLKSOURCE_HSE_DIV2 ((uint32_t)0x00020300)
374 #define RCC_RTCCLKSOURCE_HSE_DIV3 ((uint32_t)0x00030300)
375 #define RCC_RTCCLKSOURCE_HSE_DIV4 ((uint32_t)0x00040300)
376 #define RCC_RTCCLKSOURCE_HSE_DIV5 ((uint32_t)0x00050300)
377 #define RCC_RTCCLKSOURCE_HSE_DIV6 ((uint32_t)0x00060300)
378 #define RCC_RTCCLKSOURCE_HSE_DIV7 ((uint32_t)0x00070300)
379 #define RCC_RTCCLKSOURCE_HSE_DIV8 ((uint32_t)0x00080300)
380 #define RCC_RTCCLKSOURCE_HSE_DIV9 ((uint32_t)0x00090300)
381 #define RCC_RTCCLKSOURCE_HSE_DIV10 ((uint32_t)0x000A0300)
382 #define RCC_RTCCLKSOURCE_HSE_DIV11 ((uint32_t)0x000B0300)
383 #define RCC_RTCCLKSOURCE_HSE_DIV12 ((uint32_t)0x000C0300)
384 #define RCC_RTCCLKSOURCE_HSE_DIV13 ((uint32_t)0x000D0300)
385 #define RCC_RTCCLKSOURCE_HSE_DIV14 ((uint32_t)0x000E0300)
386 #define RCC_RTCCLKSOURCE_HSE_DIV15 ((uint32_t)0x000F0300)
387 #define RCC_RTCCLKSOURCE_HSE_DIV16 ((uint32_t)0x00100300)
388 #define RCC_RTCCLKSOURCE_HSE_DIV17 ((uint32_t)0x00110300)
389 #define RCC_RTCCLKSOURCE_HSE_DIV18 ((uint32_t)0x00120300)
390 #define RCC_RTCCLKSOURCE_HSE_DIV19 ((uint32_t)0x00130300)
391 #define RCC_RTCCLKSOURCE_HSE_DIV20 ((uint32_t)0x00140300)
392 #define RCC_RTCCLKSOURCE_HSE_DIV21 ((uint32_t)0x00150300)
393 #define RCC_RTCCLKSOURCE_HSE_DIV22 ((uint32_t)0x00160300)
394 #define RCC_RTCCLKSOURCE_HSE_DIV23 ((uint32_t)0x00170300)
395 #define RCC_RTCCLKSOURCE_HSE_DIV24 ((uint32_t)0x00180300)
396 #define RCC_RTCCLKSOURCE_HSE_DIV25 ((uint32_t)0x00190300)
397 #define RCC_RTCCLKSOURCE_HSE_DIV26 ((uint32_t)0x001A0300)
398 #define RCC_RTCCLKSOURCE_HSE_DIV27 ((uint32_t)0x001B0300)
399 #define RCC_RTCCLKSOURCE_HSE_DIV28 ((uint32_t)0x001C0300)
400 #define RCC_RTCCLKSOURCE_HSE_DIV29 ((uint32_t)0x001D0300)
401 #define RCC_RTCCLKSOURCE_HSE_DIV30 ((uint32_t)0x001E0300)
402 #define RCC_RTCCLKSOURCE_HSE_DIV31 ((uint32_t)0x001F0300)
407 /** @defgroup RCC_I2S_Clock_Source
410 #define RCC_I2SCLKSOURCE_PLLI2S ((uint32_t)0x00000000)
411 #define RCC_I2SCLKSOURCE_EXT ((uint32_t)0x00000001)
416 /** @defgroup RCC_MCO_Index
419 #define RCC_MCO1 ((uint32_t)0x00000000)
420 #define RCC_MCO2 ((uint32_t)0x00000001)
422 #define IS_RCC_MCO(MCOx) (((MCOx) == RCC_MCO1) || ((MCOx) == RCC_MCO2))
427 /** @defgroup RCC_MCO1_Clock_Source
430 #define RCC_MCO1SOURCE_HSI ((uint32_t)0x00000000)
431 #define RCC_MCO1SOURCE_LSE RCC_CFGR_MCO1_0
432 #define RCC_MCO1SOURCE_HSE RCC_CFGR_MCO1_1
433 #define RCC_MCO1SOURCE_PLLCLK RCC_CFGR_MCO1
435 #define IS_RCC_MCO1SOURCE(SOURCE) (((SOURCE) == RCC_MCO1SOURCE_HSI) || ((SOURCE) == RCC_MCO1SOURCE_LSE) || \
436 ((SOURCE) == RCC_MCO1SOURCE_HSE) || ((SOURCE) == RCC_MCO1SOURCE_PLLCLK))
441 /** @defgroup RCC_MCO2_Clock_Source
444 #define RCC_MCO2SOURCE_SYSCLK ((uint32_t)0x00000000)
445 #define RCC_MCO2SOURCE_PLLI2SCLK RCC_CFGR_MCO2_0
446 #define RCC_MCO2SOURCE_HSE RCC_CFGR_MCO2_1
447 #define RCC_MCO2SOURCE_PLLCLK RCC_CFGR_MCO2
449 #define IS_RCC_MCO2SOURCE(SOURCE) (((SOURCE) == RCC_MCO2SOURCE_SYSCLK) || ((SOURCE) == RCC_MCO2SOURCE_PLLI2SCLK)|| \
450 ((SOURCE) == RCC_MCO2SOURCE_HSE) || ((SOURCE) == RCC_MCO2SOURCE_PLLCLK))
455 /** @defgroup RCC_MCOx_Clock_Prescaler
458 #define RCC_MCODIV_1 ((uint32_t)0x00000000)
459 #define RCC_MCODIV_2 RCC_CFGR_MCO1PRE_2
460 #define RCC_MCODIV_3 ((uint32_t)RCC_CFGR_MCO1PRE_0 | RCC_CFGR_MCO1PRE_2)
461 #define RCC_MCODIV_4 ((uint32_t)RCC_CFGR_MCO1PRE_1 | RCC_CFGR_MCO1PRE_2)
462 #define RCC_MCODIV_5 RCC_CFGR_MCO1PRE
464 #define IS_RCC_MCODIV(DIV) (((DIV) == RCC_MCODIV_1) || ((DIV) == RCC_MCODIV_2) || \
465 ((DIV) == RCC_MCODIV_3) || ((DIV) == RCC_MCODIV_4) || \
466 ((DIV) == RCC_MCODIV_5))
471 /** @defgroup RCC_Interrupt
474 #define RCC_IT_LSIRDY ((uint8_t)0x01)
475 #define RCC_IT_LSERDY ((uint8_t)0x02)
476 #define RCC_IT_HSIRDY ((uint8_t)0x04)
477 #define RCC_IT_HSERDY ((uint8_t)0x08)
478 #define RCC_IT_PLLRDY ((uint8_t)0x10)
479 #define RCC_IT_PLLI2SRDY ((uint8_t)0x20)
480 #define RCC_IT_CSS ((uint8_t)0x80)
485 /** @defgroup RCC_Flag
486 * Elements values convention: 0XXYYYYYb
487 * - YYYYY : Flag position in the register
488 * - 0XX : Register index
490 * - 10: BDCR register
494 /* Flags in the CR register */
495 #define RCC_FLAG_HSIRDY ((uint8_t)0x21)
496 #define RCC_FLAG_HSERDY ((uint8_t)0x31)
497 #define RCC_FLAG_PLLRDY ((uint8_t)0x39)
498 #define RCC_FLAG_PLLI2SRDY ((uint8_t)0x3B)
500 /* Flags in the BDCR register */
501 #define RCC_FLAG_LSERDY ((uint8_t)0x41)
503 /* Flags in the CSR register */
504 #define RCC_FLAG_LSIRDY ((uint8_t)0x61)
505 #define RCC_FLAG_BORRST ((uint8_t)0x79)
506 #define RCC_FLAG_PINRST ((uint8_t)0x7A)
507 #define RCC_FLAG_PORRST ((uint8_t)0x7B)
508 #define RCC_FLAG_SFTRST ((uint8_t)0x7C)
509 #define RCC_FLAG_IWDGRST ((uint8_t)0x7D)
510 #define RCC_FLAG_WWDGRST ((uint8_t)0x7E)
511 #define RCC_FLAG_LPWRRST ((uint8_t)0x7F)
513 #define IS_RCC_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F)
521 /* Exported macro ------------------------------------------------------------*/
523 /** @brief Enable or disable the AHB1 peripheral clock.
524 * @note After reset, the peripheral clock (used for registers read/write access)
525 * is disabled and the application software has to enable this clock before
528 #define __GPIOA_CLK_ENABLE() (RCC->AHB1ENR |= (RCC_AHB1ENR_GPIOAEN))
529 #define __GPIOB_CLK_ENABLE() (RCC->AHB1ENR |= (RCC_AHB1ENR_GPIOBEN))
530 #define __GPIOC_CLK_ENABLE() (RCC->AHB1ENR |= (RCC_AHB1ENR_GPIOCEN))
531 #define __GPIOD_CLK_ENABLE() (RCC->AHB1ENR |= (RCC_AHB1ENR_GPIODEN))
532 #define __GPIOE_CLK_ENABLE() (RCC->AHB1ENR |= (RCC_AHB1ENR_GPIOEEN))
533 #define __GPIOF_CLK_ENABLE() (RCC->AHB1ENR |= (RCC_AHB1ENR_GPIOFEN))
534 #define __GPIOG_CLK_ENABLE() (RCC->AHB1ENR |= (RCC_AHB1ENR_GPIOGEN))
535 #define __GPIOH_CLK_ENABLE() (RCC->AHB1ENR |= (RCC_AHB1ENR_GPIOHEN))
536 #define __CRC_CLK_ENABLE() (RCC->AHB1ENR |= (RCC_AHB1ENR_CRCEN))
537 #define __BKPSRAM_CLK_ENABLE() (RCC->AHB1ENR |= (RCC_AHB1ENR_BKPSRAMEN))
538 #define __CCMDATARAMEN_CLK_ENABLE() (RCC->AHB1ENR |= (RCC_AHB1ENR_CCMDATARAMEN))
539 #define __DMA1_CLK_ENABLE() (RCC->AHB1ENR |= (RCC_AHB1ENR_DMA1EN))
540 #define __DMA2_CLK_ENABLE() (RCC->AHB1ENR |= (RCC_AHB1ENR_DMA2EN))
542 #define __GPIOA_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOAEN))
543 #define __GPIOB_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOBEN))
544 #define __GPIOC_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOCEN))
545 #define __GPIOD_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIODEN))
546 #define __GPIOE_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOEEN))
547 #define __GPIOF_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOFEN))
548 #define __GPIOG_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOGEN))
549 #define __GPIOH_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOHEN))
550 #define __CRC_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_CRCEN))
551 #define __BKPSRAM_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_BKPSRAMEN))
552 #define __CCMDATARAMEN_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_CCMDATARAMEN))
553 #define __DMA1_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_DMA1EN))
554 #define __DMA2_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_DMA2EN))
556 /** @brief Enable or disable the AHB2 peripheral clock.
557 * @note After reset, the peripheral clock (used for registers read/write access)
558 * is disabled and the application software has to enable this clock before
561 #define __USB_OTG_FS_CLK_ENABLE() do {(RCC->AHB2ENR |= (RCC_AHB2ENR_OTGFSEN));\
562 __SYSCFG_CLK_ENABLE();\
566 #define __USB_OTG_FS_CLK_DISABLE() do { (RCC->AHB2ENR &= ~(RCC_AHB2ENR_OTGFSEN));\
567 __SYSCFG_CLK_DISABLE();\
570 #define __RNG_CLK_ENABLE() (RCC->AHB2ENR |= (RCC_AHB2ENR_RNGEN))
571 #define __RNG_CLK_DISABLE() (RCC->AHB2ENR &= ~(RCC_AHB2ENR_RNGEN))
572 /** @brief Enable or disable the Low Speed APB (APB1) peripheral clock.
573 * @note After reset, the peripheral clock (used for registers read/write access)
574 * is disabled and the application software has to enable this clock before
577 #define __TIM2_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_TIM2EN))
578 #define __TIM3_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_TIM3EN))
579 #define __TIM4_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_TIM4EN))
580 #define __TIM5_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_TIM5EN))
581 #define __WWDG_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_WWDGEN))
582 #define __SPI2_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_SPI2EN))
583 #define __SPI3_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_SPI3EN))
584 #define __USART2_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_USART2EN))
585 #define __I2C1_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_I2C1EN))
586 #define __I2C2_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_I2C2EN))
587 #define __I2C3_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_I2C3EN))
588 #define __PWR_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_PWREN))
590 #define __TIM2_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM2EN))
591 #define __TIM3_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM3EN))
592 #define __TIM4_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM4EN))
593 #define __TIM5_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM5EN))
594 #define __WWDG_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_WWDGEN))
595 #define __SPI2_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_SPI2EN))
596 #define __SPI3_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_SPI3EN))
597 #define __USART2_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_USART2EN))
598 #define __I2C1_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C1EN))
599 #define __I2C2_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C2EN))
600 #define __I2C3_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C3EN))
601 #define __PWR_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_PWREN))
603 /** @brief Enable or disable the High Speed APB (APB2) peripheral clock.
604 * @note After reset, the peripheral clock (used for registers read/write access)
605 * is disabled and the application software has to enable this clock before
608 #define __TIM1_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_TIM1EN))
609 #define __USART1_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_USART1EN))
610 #define __USART6_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_USART6EN))
611 #define __ADC1_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_ADC1EN))
612 #define __SDIO_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_SDIOEN))
613 #define __SPI1_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_SPI1EN))
614 #define __SPI4_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_SPI4EN))
615 #define __SYSCFG_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_SYSCFGEN))
616 #define __TIM9_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_TIM9EN))
617 #define __TIM10_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_TIM10EN))
618 #define __TIM11_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_TIM11EN))
620 #define __TIM1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM1EN))
621 #define __USART1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_USART1EN))
622 #define __USART6_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_USART6EN))
623 #define __ADC1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_ADC1EN))
624 #define __SDIO_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SDIOEN))
625 #define __SPI1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SPI1EN))
626 #define __SPI4_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SPI4EN))
627 #define __SYSCFG_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SYSCFGEN))
628 #define __TIM9_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM9EN))
629 #define __TIM10_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM10EN))
630 #define __TIM11_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM11EN))
632 /** @brief Force or release AHB1 peripheral reset.
634 #define __AHB1_FORCE_RESET() (RCC->AHB1RSTR = 0xFFFFFFFF)
635 #define __GPIOA_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOARST))
636 #define __GPIOB_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOBRST))
637 #define __GPIOC_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOCRST))
638 #define __GPIOD_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIODRST))
639 #define __GPIOE_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOERST))
640 #define __GPIOH_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOHRST))
641 #define __CRC_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_CRCRST))
642 #define __DMA1_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_DMA1RST))
643 #define __DMA2_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_DMA2RST))
645 #define __AHB1_RELEASE_RESET() (RCC->AHB1RSTR = 0x00)
646 #define __GPIOA_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOARST))
647 #define __GPIOB_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOBRST))
648 #define __GPIOC_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOCRST))
649 #define __GPIOD_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIODRST))
650 #define __GPIOE_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOERST))
651 #define __GPIOF_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOFRST))
652 #define __GPIOG_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOGRST))
653 #define __GPIOH_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOHRST))
654 #define __GPIOI_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOIRST))
655 #define __CRC_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_CRCRST))
656 #define __DMA1_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_DMA1RST))
657 #define __DMA2_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_DMA2RST))
659 /** @brief Force or release AHB2 peripheral reset.
661 #define __AHB2_FORCE_RESET() (RCC->AHB2RSTR = 0xFFFFFFFF)
662 #define __USB_OTG_FS_FORCE_RESET() (RCC->AHB2RSTR |= (RCC_AHB2RSTR_OTGFSRST))
664 #define __AHB2_RELEASE_RESET() (RCC->AHB2RSTR = 0x00)
665 #define __USB_OTG_FS_RELEASE_RESET() (RCC->AHB2RSTR &= ~(RCC_AHB2RSTR_OTGFSRST))
667 /* alias define maintained for legacy */
668 #define __OTGFS_FORCE_RESET __USB_OTG_FS_FORCE_RESET
669 #define __OTGFS_RELEASE_RESET __USB_OTG_FS_RELEASE_RESET
671 #define __RNG_FORCE_RESET() (RCC->AHB2RSTR |= (RCC_AHB2RSTR_RNGRST))
672 #define __RNG_RELEASE_RESET() (RCC->AHB2RSTR &= ~(RCC_AHB2RSTR_RNGRST))
674 /** @brief Force or release APB1 peripheral reset.
676 #define __APB1_FORCE_RESET() (RCC->APB1RSTR = 0xFFFFFFFF)
677 #define __TIM2_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM2RST))
678 #define __TIM3_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM3RST))
679 #define __TIM4_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM4RST))
680 #define __TIM5_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM5RST))
681 #define __WWDG_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST))
682 #define __SPI2_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_SPI2RST))
683 #define __SPI3_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_SPI3RST))
684 #define __USART2_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_USART2RST))
685 #define __I2C1_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C1RST))
686 #define __I2C2_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C2RST))
687 #define __I2C3_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C3RST))
688 #define __PWR_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST))
690 #define __APB1_RELEASE_RESET() (RCC->APB1RSTR = 0x00)
691 #define __TIM2_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM2RST))
692 #define __TIM3_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM3RST))
693 #define __TIM4_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM4RST))
694 #define __TIM5_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM5RST))
695 #define __WWDG_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_WWDGRST))
696 #define __SPI2_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_SPI2RST))
697 #define __SPI3_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_SPI3RST))
698 #define __USART2_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_USART2RST))
699 #define __I2C1_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C1RST))
700 #define __I2C2_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C2RST))
701 #define __I2C3_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C3RST))
702 #define __PWR_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_PWRRST))
704 /** @brief Force or release APB2 peripheral reset.
706 #define __APB2_FORCE_RESET() (RCC->APB2RSTR = 0xFFFFFFFF)
707 #define __TIM1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM1RST))
708 #define __USART1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_USART1RST))
709 #define __USART6_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_USART6RST))
710 #define __ADC_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_ADCRST))
711 #define __SDIO_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SDIORST))
712 #define __SPI1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SPI1RST))
713 #define __SPI4_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SPI4RST))
714 #define __SYSCFG_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SYSCFGRST))
715 #define __TIM9_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM9RST))
716 #define __TIM10_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM10RST))
717 #define __TIM11_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM11RST))
719 #define __APB2_RELEASE_RESET() (RCC->APB2RSTR = 0x00)
720 #define __TIM1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM1RST))
721 #define __USART1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_USART1RST))
722 #define __USART6_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_USART6RST))
723 #define __ADC_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_ADCRST))
724 #define __SDIO_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SDIORST))
725 #define __SPI1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SPI1RST))
726 #define __SPI4_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SPI4RST))
727 #define __SYSCFG_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SYSCFGRST))
728 #define __TIM9_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM9RST))
729 #define __TIM10_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM10RST))
730 #define __TIM11_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM11RST))
732 /** @brief Force or release AHB3 peripheral reset.
734 #define __AHB3_FORCE_RESET() (RCC->AHB3RSTR = 0xFFFFFFFF)
735 #define __AHB3_RELEASE_RESET() (RCC->AHB3RSTR = 0x00)
737 /** @brief Enable or disable the AHB1 peripheral clock during Low Power (Sleep) mode.
738 * @note Peripheral clock gating in SLEEP mode can be used to further reduce
740 * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
741 * @note By default, all peripheral clocks are enabled during SLEEP mode.
743 #define __GPIOA_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOALPEN))
744 #define __GPIOB_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOBLPEN))
745 #define __GPIOC_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOCLPEN))
746 #define __GPIOD_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIODLPEN))
747 #define __GPIOE_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOELPEN))
748 #define __GPIOH_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOHLPEN))
749 #define __CRC_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_CRCLPEN))
750 #define __FLITF_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_FLITFLPEN))
751 #define __SRAM1_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_SRAM1LPEN))
752 #define __BKPSRAM_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_BKPSRAMLPEN))
753 #define __DMA1_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_DMA1LPEN))
754 #define __DMA2_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_DMA2LPEN))
756 #define __GPIOA_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOALPEN))
757 #define __GPIOB_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOBLPEN))
758 #define __GPIOC_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOCLPEN))
759 #define __GPIOD_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIODLPEN))
760 #define __GPIOE_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOELPEN))
761 #define __GPIOH_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOHLPEN))
762 #define __CRC_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_CRCLPEN))
763 #define __FLITF_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_FLITFLPEN))
764 #define __SRAM1_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_SRAM1LPEN))
765 #define __BKPSRAM_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_BKPSRAMLPEN))
766 #define __DMA1_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_DMA1LPEN))
767 #define __DMA2_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_DMA2LPEN))
769 /** @brief Enable or disable the AHB2 peripheral clock during Low Power (Sleep) mode.
770 * @note Peripheral clock gating in SLEEP mode can be used to further reduce
772 * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
773 * @note By default, all peripheral clocks are enabled during SLEEP mode.
775 #define __USB_OTG_FS_CLK_SLEEP_ENABLE() (RCC->AHB2LPENR |= (RCC_AHB2LPENR_OTGFSLPEN))
777 #define __USB_OTG_FS_CLK_SLEEP_DISABLE() (RCC->AHB2LPENR &= ~(RCC_AHB2LPENR_OTGFSLPEN))
779 /* alias define maintained for legacy */
780 #define __OTGFS_CLK_SLEEP_ENABLE __USB_OTG_FS_CLK_SLEEP_ENABLE
781 #define __OTGFS_CLK_SLEEP_DISABLE __USB_OTG_FS_CLK_SLEEP_DISABLE
783 #define __RNG_CLK_SLEEP_ENABLE() (RCC->AHB2LPENR |= (RCC_AHB2LPENR_RNGLPEN))
784 #define __RNG_CLK_SLEEP_DISABLE() (RCC->AHB2LPENR &= ~(RCC_AHB2LPENR_RNGLPEN))
786 /** @brief Enable or disable the APB1 peripheral clock during Low Power (Sleep) mode.
787 * @note Peripheral clock gating in SLEEP mode can be used to further reduce
789 * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
790 * @note By default, all peripheral clocks are enabled during SLEEP mode.
792 #define __TIM2_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_TIM2LPEN))
793 #define __TIM3_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_TIM3LPEN))
794 #define __TIM4_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_TIM4LPEN))
795 #define __TIM5_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_TIM5LPEN))
796 #define __WWDG_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_WWDGLPEN))
797 #define __SPI2_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_SPI2LPEN))
798 #define __SPI3_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_SPI3LPEN))
799 #define __USART2_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_USART2LPEN))
800 #define __I2C1_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_I2C1LPEN))
801 #define __I2C2_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_I2C2LPEN))
802 #define __I2C3_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_I2C3LPEN))
803 #define __PWR_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_PWRLPEN))
805 #define __TIM2_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_TIM2LPEN))
806 #define __TIM3_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_TIM3LPEN))
807 #define __TIM4_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_TIM4LPEN))
808 #define __TIM5_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_TIM5LPEN))
809 #define __WWDG_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_WWDGLPEN))
810 #define __SPI2_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_SPI2LPEN))
811 #define __SPI3_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_SPI3LPEN))
812 #define __USART2_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_USART2LPEN))
813 #define __I2C1_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_I2C1LPEN))
814 #define __I2C2_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_I2C2LPEN))
815 #define __I2C3_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_I2C3LPEN))
816 #define __PWR_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_PWRLPEN))
818 /** @brief Enable or disable the APB2 peripheral clock during Low Power (Sleep) mode.
819 * @note Peripheral clock gating in SLEEP mode can be used to further reduce
821 * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
822 * @note By default, all peripheral clocks are enabled during SLEEP mode.
824 #define __TIM1_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM1LPEN))
825 #define __USART1_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_USART1LPEN))
826 #define __USART6_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_USART6LPEN))
827 #define __ADC1_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_ADC1LPEN))
828 #define __SDIO_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_SDIOLPEN))
829 #define __SPI1_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_SPI1LPEN))
830 #define __SPI4_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_SPI4LPEN))
831 #define __SYSCFG_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_SYSCFGLPEN))
832 #define __TIM9_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM9LPEN))
833 #define __TIM10_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM10LPEN))
834 #define __TIM11_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM11LPEN))
836 #define __TIM1_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM1LPEN))
837 #define __USART1_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_USART1LPEN))
838 #define __USART6_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_USART6LPEN))
839 #define __ADC1_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_ADC1LPEN))
840 #define __SDIO_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SDIOLPEN))
841 #define __SPI1_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SPI1LPEN))
842 #define __SPI4_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SPI4LPEN))
843 #define __SYSCFG_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SYSCFGLPEN))
844 #define __TIM9_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM9LPEN))
845 #define __TIM10_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM10LPEN))
846 #define __TIM11_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM11LPEN))
848 /** @brief Macros to enable or disable the Internal High Speed oscillator (HSI).
849 * @note The HSI is stopped by hardware when entering STOP and STANDBY modes.
850 * It is used (enabled by hardware) as system clock source after startup
851 * from Reset, wakeup from STOP and STANDBY mode, or in case of failure
852 * of the HSE used directly or indirectly as system clock (if the Clock
853 * Security System CSS is enabled).
854 * @note HSI can not be stopped if it is used as system clock source. In this case,
855 * you have to select another source of the system clock then stop the HSI.
856 * @note After enabling the HSI, the application software should wait on HSIRDY
857 * flag to be set indicating that HSI clock is stable and can be used as
858 * system clock source.
859 * This parameter can be: ENABLE or DISABLE.
860 * @note When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
863 #define __HAL_RCC_HSI_ENABLE() (*(__IO uint32_t *) CR_HSION_BB = ENABLE)
864 #define __HAL_RCC_HSI_DISABLE() (*(__IO uint32_t *) CR_HSION_BB = DISABLE)
866 /** @brief Macro to adjust the Internal High Speed oscillator (HSI) calibration value.
867 * @note The calibration is used to compensate for the variations in voltage
868 * and temperature that influence the frequency of the internal HSI RC.
869 * @param __HSICalibrationValue__: specifies the calibration trimming value.
870 * This parameter must be a number between 0 and 0x1F.
872 #define __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(__HSICalibrationValue__) (MODIFY_REG(RCC->CR,\
873 RCC_CR_HSITRIM, (uint32_t)(__HSICalibrationValue__) << POSITION_VAL(RCC_CR_HSITRIM)))
875 /** @brief Macros to enable or disable the Internal Low Speed oscillator (LSI).
876 * @note After enabling the LSI, the application software should wait on
877 * LSIRDY flag to be set indicating that LSI clock is stable and can
878 * be used to clock the IWDG and/or the RTC.
879 * @note LSI can not be disabled if the IWDG is running.
880 * @note When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator
883 #define __HAL_RCC_LSI_ENABLE() (*(__IO uint32_t *) CSR_LSION_BB = ENABLE)
884 #define __HAL_RCC_LSI_DISABLE() (*(__IO uint32_t *) CSR_LSION_BB = DISABLE)
887 * @brief Macro to configure the External High Speed oscillator (HSE).
888 * @note After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application
889 * software should wait on HSERDY flag to be set indicating that HSE clock
890 * is stable and can be used to clock the PLL and/or system clock.
891 * @note HSE state can not be changed if it is used directly or through the
892 * PLL as system clock. In this case, you have to select another source
893 * of the system clock then change the HSE state (ex. disable it).
894 * @note The HSE is stopped by hardware when entering STOP and STANDBY modes.
895 * @note This function reset the CSSON bit, so if the clock security system(CSS)
896 * was previously enabled you have to enable it again after calling this
898 * @param __STATE__: specifies the new state of the HSE.
899 * This parameter can be one of the following values:
900 * @arg RCC_HSE_OFF: turn OFF the HSE oscillator, HSERDY flag goes low after
901 * 6 HSE oscillator clock cycles.
902 * @arg RCC_HSE_ON: turn ON the HSE oscillator.
903 * @arg RCC_HSE_BYPASS: HSE oscillator bypassed with external clock.
905 #define __HAL_RCC_HSE_CONFIG(__STATE__) (*(__IO uint8_t *) CR_BYTE2_ADDRESS = (__STATE__))
908 * @brief Macro to configure the External Low Speed oscillator (LSE).
909 * @note As the LSE is in the Backup domain and write access is denied to
910 * this domain after reset, you have to enable write access using
911 * HAL_PWR_EnableBkUpAccess() function before to configure the LSE
912 * (to be done once after reset).
913 * @note After enabling the LSE (RCC_LSE_ON or RCC_LSE_BYPASS), the application
914 * software should wait on LSERDY flag to be set indicating that LSE clock
915 * is stable and can be used to clock the RTC.
916 * @param __STATE__: specifies the new state of the LSE.
917 * This parameter can be one of the following values:
918 * @arg RCC_LSE_OFF: turn OFF the LSE oscillator, LSERDY flag goes low after
919 * 6 LSE oscillator clock cycles.
920 * @arg RCC_LSE_ON: turn ON the LSE oscillator.
921 * @arg RCC_LSE_BYPASS: LSE oscillator bypassed with external clock.
923 #define __HAL_RCC_LSE_CONFIG(__STATE__) (*(__IO uint8_t *) BDCR_BYTE0_ADDRESS = (__STATE__))
925 /** @brief Macros to enable or disable the the RTC clock.
926 * @note These macros must be used only after the RTC clock source was selected.
928 #define __HAL_RCC_RTC_ENABLE() (*(__IO uint32_t *) BDCR_RTCEN_BB = ENABLE)
929 #define __HAL_RCC_RTC_DISABLE() (*(__IO uint32_t *) BDCR_RTCEN_BB = DISABLE)
931 /** @brief Macros to configure the RTC clock (RTCCLK).
932 * @note As the RTC clock configuration bits are in the Backup domain and write
933 * access is denied to this domain after reset, you have to enable write
934 * access using the Power Backup Access macro before to configure
935 * the RTC clock source (to be done once after reset).
936 * @note Once the RTC clock is configured it can't be changed unless the
937 * Backup domain is reset using __HAL_RCC_BackupReset_RELEASE() macro, or by
938 * a Power On Reset (POR).
939 * @param __RTCCLKSource__: specifies the RTC clock source.
940 * This parameter can be one of the following values:
941 * @arg RCC_RTCCLKSOURCE_LSE: LSE selected as RTC clock.
942 * @arg RCC_RTCCLKSOURCE_LSI: LSI selected as RTC clock.
943 * @arg RCC_RTCCLKSOURCE_HSE_DIVx: HSE clock divided by x selected
944 * as RTC clock, where x:[2,31]
945 * @note If the LSE or LSI is used as RTC clock source, the RTC continues to
946 * work in STOP and STANDBY modes, and can be used as wakeup source.
947 * However, when the HSE clock is used as RTC clock source, the RTC
948 * cannot be used in STOP and STANDBY modes.
949 * @note The maximum input clock frequency for RTC is 1MHz (when using HSE as
952 #define __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__) (((__RTCCLKSource__) & RCC_BDCR_RTCSEL) == RCC_BDCR_RTCSEL) ? \
953 MODIFY_REG(RCC->CFGR, RCC_CFGR_RTCPRE, ((__RTCCLKSource__) & 0xFFFFCFF)) : CLEAR_BIT(RCC->CFGR, RCC_CFGR_RTCPRE)
955 #define __HAL_RCC_RTC_CONFIG(__RTCCLKSource__) do { __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__); \
956 RCC->BDCR |= ((__RTCCLKSource__) & 0x00000FFF); \
959 /** @brief Macros to force or release the Backup domain reset.
960 * @note This function resets the RTC peripheral (including the backup registers)
961 * and the RTC clock source selection in RCC_CSR register.
962 * @note The BKPSRAM is not affected by this reset.
964 #define __HAL_RCC_BACKUPRESET_FORCE() (*(__IO uint32_t *) BDCR_BDRST_BB = ENABLE)
965 #define __HAL_RCC_BACKUPRESET_RELEASE() (*(__IO uint32_t *) BDCR_BDRST_BB = DISABLE)
967 /** @brief Macros to enable or disable the main PLL.
968 * @note After enabling the main PLL, the application software should wait on
969 * PLLRDY flag to be set indicating that PLL clock is stable and can
970 * be used as system clock source.
971 * @note The main PLL can not be disabled if it is used as system clock source
972 * @note The main PLL is disabled by hardware when entering STOP and STANDBY modes.
974 #define __HAL_RCC_PLL_ENABLE() (*(__IO uint32_t *) CR_PLLON_BB = ENABLE)
975 #define __HAL_RCC_PLL_DISABLE() (*(__IO uint32_t *) CR_PLLON_BB = DISABLE)
977 /** @brief Macro to configure the main PLL clock source, multiplication and division factors.
978 * @note This function must be used only when the main PLL is disabled.
979 * @param __RCC_PLLSource__: specifies the PLL entry clock source.
980 * This parameter can be one of the following values:
981 * @arg RCC_PLLSOURCE_HSI: HSI oscillator clock selected as PLL clock entry
982 * @arg RCC_PLLSOURCE_HSE: HSE oscillator clock selected as PLL clock entry
983 * @note This clock source (RCC_PLLSource) is common for the main PLL and PLLI2S.
984 * @param __PLLM__: specifies the division factor for PLL VCO input clock
985 * This parameter must be a number between Min_Data = 2 and Max_Data = 63.
986 * @note You have to set the PLLM parameter correctly to ensure that the VCO input
987 * frequency ranges from 1 to 2 MHz. It is recommended to select a frequency
988 * of 2 MHz to limit PLL jitter.
989 * @param __PLLN__: specifies the multiplication factor for PLL VCO output clock
990 * This parameter must be a number between Min_Data = 192 and Max_Data = 432.
991 * @note You have to set the PLLN parameter correctly to ensure that the VCO
992 * output frequency is between 192 and 432 MHz.
993 * @param __PLLP__: specifies the division factor for main system clock (SYSCLK)
994 * This parameter must be a number in the range {2, 4, 6, or 8}.
995 * @note You have to set the PLLP parameter correctly to not exceed 168 MHz on
996 * the System clock frequency.
997 * @param __PLLQ__: specifies the division factor for OTG FS, SDIO and RNG clocks
998 * This parameter must be a number between Min_Data = 2 and Max_Data = 15.
999 * @note If the USB OTG FS is used in your application, you have to set the
1000 * PLLQ parameter correctly to have 48 MHz clock for the USB. However,
1001 * the SDIO and RNG need a frequency lower than or equal to 48 MHz to work
1004 #define __HAL_RCC_PLL_CONFIG(__RCC_PLLSource__, __PLLM__, __PLLN__, __PLLP__, __PLLQ__)\
1005 (RCC->PLLCFGR = (0x20000000 | (__PLLM__) | ((__PLLN__) << POSITION_VAL(RCC_PLLCFGR_PLLN)) | \
1006 ((((__PLLP__) >> 1) -1) << POSITION_VAL(RCC_PLLCFGR_PLLP)) | (__RCC_PLLSource__) | \
1007 ((__PLLQ__) << POSITION_VAL(RCC_PLLCFGR_PLLQ))))
1009 /** @brief Macro to configure the I2S clock source (I2SCLK).
1010 * @note This function must be called before enabling the I2S APB clock.
1011 * @param __SOURCE__: specifies the I2S clock source.
1012 * This parameter can be one of the following values:
1013 * @arg RCC_I2SCLKSOURCE_PLLI2S: PLLI2S clock used as I2S clock source.
1014 * @arg RCC_I2SCLKSOURCE_EXT: External clock mapped on the I2S_CKIN pin
1015 * used as I2S clock source.
1017 #define __HAL_RCC_I2SCLK(__SOURCE__) (*(__IO uint32_t *) CFGR_I2SSRC_BB = (__SOURCE__))
1019 /** @brief Macros to enable or disable the PLLI2S.
1020 * @note The PLLI2S is disabled by hardware when entering STOP and STANDBY modes.
1022 #define __HAL_RCC_PLLI2S_ENABLE() (*(__IO uint32_t *) CR_PLLI2SON_BB = ENABLE)
1023 #define __HAL_RCC_PLLI2S_DISABLE() (*(__IO uint32_t *) CR_PLLI2SON_BB = DISABLE)
1025 /** @brief Macro to configure the PLLI2S clock multiplication and division factors .
1026 * @note This macro must be used only when the PLLI2S is disabled.
1027 * @note PLLI2S clock source is common with the main PLL (configured in
1028 * HAL_RCC_ClockConfig() API).
1029 * @param __PLLI2SN__: specifies the multiplication factor for PLLI2S VCO output clock
1030 * This parameter must be a number between Min_Data = 192 and Max_Data = 432.
1031 * @note You have to set the PLLI2SN parameter correctly to ensure that the VCO
1032 * output frequency is between Min_Data = 192 and Max_Data = 432 MHz.
1033 * @param __PLLI2SR__: specifies the division factor for I2S clock
1034 * This parameter must be a number between Min_Data = 2 and Max_Data = 7.
1035 * @note You have to set the PLLI2SR parameter correctly to not exceed 192 MHz
1036 * on the I2S clock frequency.
1038 #define __HAL_RCC_PLLI2S_CONFIG(__PLLI2SN__, __PLLI2SR__) (RCC->PLLI2SCFGR = ((__PLLI2SN__) << POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SN)) | ((__PLLI2SR__) << POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SR)))
1040 /** @brief Macro to get the clock source used as system clock.
1041 * @retval The clock source used as system clock. The returned value can be one
1043 * - RCC_CFGR_SWS_HSI: HSI used as system clock.
1044 * - RCC_CFGR_SWS_HSE: HSE used as system clock.
1045 * - RCC_CFGR_SWS_PLL: PLL used as system clock.
1047 #define __HAL_RCC_GET_SYSCLK_SOURCE() ((uint32_t)(RCC->CFGR & RCC_CFGR_SWS))
1049 /** @brief Macro to get the oscillator used as PLL clock source.
1050 * @retval The oscillator used as PLL clock source. The returned value can be one
1052 * - RCC_PLLSOURCE_HSI: HSI oscillator is used as PLL clock source.
1053 * - RCC_PLLSOURCE_HSE: HSE oscillator is used as PLL clock source.
1055 #define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC))
1057 /** @brief Enable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to enable
1058 * the selected interrupts).
1059 * @param __INTERRUPT__: specifies the RCC interrupt sources to be enabled.
1060 * This parameter can be any combination of the following values:
1061 * @arg RCC_IT_LSIRDY: LSI ready interrupt.
1062 * @arg RCC_IT_LSERDY: LSE ready interrupt.
1063 * @arg RCC_IT_HSIRDY: HSI ready interrupt.
1064 * @arg RCC_IT_HSERDY: HSE ready interrupt.
1065 * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
1066 * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
1068 #define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) CIR_BYTE1_ADDRESS |= (__INTERRUPT__))
1070 /** @brief Disable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to disable
1071 * the selected interrupts).
1072 * @param __INTERRUPT__: specifies the RCC interrupt sources to be disabled.
1073 * This parameter can be any combination of the following values:
1074 * @arg RCC_IT_LSIRDY: LSI ready interrupt.
1075 * @arg RCC_IT_LSERDY: LSE ready interrupt.
1076 * @arg RCC_IT_HSIRDY: HSI ready interrupt.
1077 * @arg RCC_IT_HSERDY: HSE ready interrupt.
1078 * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
1079 * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
1081 #define __HAL_RCC_DISABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) CIR_BYTE1_ADDRESS &= ~(__INTERRUPT__))
1083 /** @brief Clear the RCC's interrupt pending bits (Perform Byte access to RCC_CIR[23:16]
1084 * bits to clear the selected interrupt pending bits.
1085 * @param __INTERRUPT__: specifies the interrupt pending bit to clear.
1086 * This parameter can be any combination of the following values:
1087 * @arg RCC_IT_LSIRDY: LSI ready interrupt.
1088 * @arg RCC_IT_LSERDY: LSE ready interrupt.
1089 * @arg RCC_IT_HSIRDY: HSI ready interrupt.
1090 * @arg RCC_IT_HSERDY: HSE ready interrupt.
1091 * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
1092 * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
1093 * @arg RCC_IT_CSS: Clock Security System interrupt
1095 #define __HAL_RCC_CLEAR_IT(__INTERRUPT__) (*(__IO uint8_t *) CIR_BYTE2_ADDRESS = (__INTERRUPT__))
1097 /** @brief Check the RCC's interrupt has occurred or not.
1098 * @param __INTERRUPT__: specifies the RCC interrupt source to check.
1099 * This parameter can be one of the following values:
1100 * @arg RCC_IT_LSIRDY: LSI ready interrupt.
1101 * @arg RCC_IT_LSERDY: LSE ready interrupt.
1102 * @arg RCC_IT_HSIRDY: HSI ready interrupt.
1103 * @arg RCC_IT_HSERDY: HSE ready interrupt.
1104 * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
1105 * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
1106 * @arg RCC_IT_CSS: Clock Security System interrupt
1107 * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
1109 #define __HAL_RCC_GET_IT(__INTERRUPT__) ((RCC->CIR & (__INTERRUPT__)) == (__INTERRUPT__))
1111 /** @brief Set RMVF bit to clear the reset flags: RCC_FLAG_PINRST, RCC_FLAG_PORRST,
1112 * RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST and RCC_FLAG_LPWRRST.
1114 #define __HAL_RCC_CLEAR_RESET_FLAGS() (RCC->CSR |= RCC_CSR_RMVF)
1116 /** @brief Check RCC flag is set or not.
1117 * @param __FLAG__: specifies the flag to check.
1118 * This parameter can be one of the following values:
1119 * @arg RCC_FLAG_HSIRDY: HSI oscillator clock ready.
1120 * @arg RCC_FLAG_HSERDY: HSE oscillator clock ready.
1121 * @arg RCC_FLAG_PLLRDY: Main PLL clock ready.
1122 * @arg RCC_FLAG_PLLI2SRDY: PLLI2S clock ready.
1123 * @arg RCC_FLAG_LSERDY: LSE oscillator clock ready.
1124 * @arg RCC_FLAG_LSIRDY: LSI oscillator clock ready.
1125 * @arg RCC_FLAG_BORRST: POR/PDR or BOR reset.
1126 * @arg RCC_FLAG_PINRST: Pin reset.
1127 * @arg RCC_FLAG_PORRST: POR/PDR reset.
1128 * @arg RCC_FLAG_SFTRST: Software reset.
1129 * @arg RCC_FLAG_IWDGRST: Independent Watchdog reset.
1130 * @arg RCC_FLAG_WWDGRST: Window Watchdog reset.
1131 * @arg RCC_FLAG_LPWRRST: Low Power reset.
1132 * @retval The new state of __FLAG__ (TRUE or FALSE).
1134 #define RCC_FLAG_MASK ((uint8_t)0x1F)
1135 #define __HAL_RCC_GET_FLAG(__FLAG__) (((((((__FLAG__) >> 5) == 1)? RCC->CR :((((__FLAG__) >> 5) == 2) ? RCC->BDCR :((((__FLAG__) >> 5) == 3)? RCC->CSR :RCC->CIR))) & ((uint32_t)1 << ((__FLAG__) & RCC_FLAG_MASK)))!= 0)? 1 : 0)
1137 #define __RCC_PLLSRC() ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) >> POSITION_VAL(RCC_PLLCFGR_PLLSRC))
1140 /* Include RCC HAL Extension module */
1141 #include "stm32f4xx_hal_rcc_ex.h"
1143 /* Exported functions --------------------------------------------------------*/
1145 /* Initialization and de-initialization functions ******************************/
1146 void HAL_RCC_DeInit(void);
1147 HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
1148 HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency);
1150 /* Peripheral Control functions ************************************************/
1151 void HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv);
1152 void HAL_RCC_EnableCSS(void);
1153 void HAL_RCC_DisableCSS(void);
1154 uint32_t HAL_RCC_GetSysClockFreq(void);
1155 uint32_t HAL_RCC_GetHCLKFreq(void);
1156 uint32_t HAL_RCC_GetPCLK1Freq(void);
1157 uint32_t HAL_RCC_GetPCLK2Freq(void);
1158 void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
1159 void HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t *pFLatency);
1161 /* CSS NMI IRQ handler */
1162 void HAL_RCC_NMI_IRQHandler(void);
1164 /* User Callbacks in non blocking mode (IT mode) */
1165 void HAL_RCC_CCSCallback(void);
1179 #endif /* __STM32F4xx_HAL_RCC_H */
1181 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/