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- #if defined(USE_FULL_LL_DRIVER)
- #include "stm32g0xx_ll_rcc.h"
- #ifdef USE_FULL_ASSERT
- #include "stm32_assert.h"
- #else
- #define assert_param(expr) ((void)0U)
- #endif
- #if defined(RCC)
- #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
- #define IS_LL_RCC_USART_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_USART1_CLKSOURCE) \
- || ((__VALUE__) == LL_RCC_USART2_CLKSOURCE) \
- || ((__VALUE__) == LL_RCC_USART3_CLKSOURCE))
- #elif defined(STM32G081xx) || defined(STM32G071xx) || defined(STM32G070xx)
- #define IS_LL_RCC_USART_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_USART1_CLKSOURCE) \
- || ((__VALUE__) == LL_RCC_USART2_CLKSOURCE))
- #else
- #define IS_LL_RCC_USART_CLKSOURCE(__VALUE__) ((__VALUE__) == LL_RCC_USART1_CLKSOURCE)
- #endif
- #if defined(LPUART1) && defined(LPUART2)
- #define IS_LL_RCC_LPUART_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_LPUART1_CLKSOURCE) \
- || ((__VALUE__) == LL_RCC_LPUART2_CLKSOURCE))
- #elif defined(LPUART1)
- #define IS_LL_RCC_LPUART_CLKSOURCE(__VALUE__) ((__VALUE__) == LL_RCC_LPUART1_CLKSOURCE)
- #endif
- #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
- #define IS_LL_RCC_I2C_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_I2C1_CLKSOURCE) \
- || ((__VALUE__) == LL_RCC_I2C2_CLKSOURCE))
- #else
- #define IS_LL_RCC_I2C_CLKSOURCE(__VALUE__) ((__VALUE__) == LL_RCC_I2C1_CLKSOURCE)
- #endif
- #if defined(LPTIM1) || defined(LPTIM2)
- #define IS_LL_RCC_LPTIM_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_LPTIM1_CLKSOURCE) \
- || ((__VALUE__) == LL_RCC_LPTIM2_CLKSOURCE))
- #endif
- #if defined(RNG)
- #define IS_LL_RCC_RNG_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_RNG_CLKSOURCE))
- #endif
- #define IS_LL_RCC_ADC_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_ADC_CLKSOURCE))
- #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
- #define IS_LL_RCC_I2S_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_I2S1_CLKSOURCE) \
- || ((__VALUE__) == LL_RCC_I2S2_CLKSOURCE))
- #else
- #define IS_LL_RCC_I2S_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_I2S1_CLKSOURCE))
- #endif
- #if defined(CEC)
- #define IS_LL_RCC_CEC_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_CEC_CLKSOURCE))
- #endif
- #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
- #define IS_LL_RCC_USB_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_USB_CLKSOURCE))
- #endif
- #if defined(FDCAN1) || defined(FDCAN2)
- #define IS_LL_RCC_FDCAN_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_FDCAN_CLKSOURCE))
- #endif
- #if defined(RCC_CCIPR_TIM1SEL) && defined(RCC_CCIPR_TIM15SEL)
- #define IS_LL_RCC_TIM_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_TIM1_CLKSOURCE) \
- || ((__VALUE__) == LL_RCC_TIM15_CLKSOURCE))
- #elif defined(RCC_CCIPR_TIM1SEL)
- #define IS_LL_RCC_TIM_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_TIM1_CLKSOURCE))
- #endif
- uint32_t RCC_GetSystemClockFreq(void);
- uint32_t RCC_GetHCLKClockFreq(uint32_t SYSCLK_Frequency);
- uint32_t RCC_GetPCLK1ClockFreq(uint32_t HCLK_Frequency);
- uint32_t RCC_PLL_GetFreqDomain_SYS(void);
- uint32_t RCC_PLL_GetFreqDomain_ADC(void);
- uint32_t RCC_PLL_GetFreqDomain_I2S1(void);
- #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
- uint32_t RCC_PLL_GetFreqDomain_I2S2(void);
- uint32_t RCC_PLL_GetFreqDomain_USB(void);
- uint32_t RCC_PLL_GetFreqDomain_FDCAN(void);
- #endif
- uint32_t RCC_PLL_GetFreqDomain_RNG(void);
- uint32_t RCC_PLL_GetFreqDomain_TIM1(void);
- uint32_t RCC_PLL_GetFreqDomain_TIM15(void);
- ErrorStatus LL_RCC_DeInit(void)
- {
-
- LL_RCC_HSI_Enable();
- while (LL_RCC_HSI_IsReady() != 1U)
- {}
-
- LL_RCC_HSI_SetCalibTrimming(0x40U);
-
- LL_RCC_WriteReg(CFGR, 0x00000000U);
-
- LL_RCC_WriteReg(CR, RCC_CR_HSION);
- while (LL_RCC_HSE_IsReady() != 0U)
- {}
- LL_RCC_WriteReg(CR, RCC_CR_HSION);
-
- while (LL_RCC_PLL_IsReady() != 0U)
- {}
-
- LL_RCC_WriteReg(PLLCFGR, 16U << RCC_PLLCFGR_PLLN_Pos);
-
- LL_RCC_WriteReg(CIER, 0x00000000U);
-
- LL_RCC_WriteReg(CICR, 0xFFFFFFFFU);
- return SUCCESS;
- }
- void LL_RCC_GetSystemClocksFreq(LL_RCC_ClocksTypeDef *RCC_Clocks)
- {
-
- RCC_Clocks->SYSCLK_Frequency = RCC_GetSystemClockFreq();
-
- RCC_Clocks->HCLK_Frequency = RCC_GetHCLKClockFreq(RCC_Clocks->SYSCLK_Frequency);
-
- RCC_Clocks->PCLK1_Frequency = RCC_GetPCLK1ClockFreq(RCC_Clocks->HCLK_Frequency);
- }
- uint32_t LL_RCC_GetUSARTClockFreq(uint32_t USARTxSource)
- {
- uint32_t usart_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
-
- assert_param(IS_LL_RCC_USART_CLKSOURCE(USARTxSource));
- if (USARTxSource == LL_RCC_USART1_CLKSOURCE)
- {
-
- switch (LL_RCC_GetUSARTClockSource(USARTxSource))
- {
- case LL_RCC_USART1_CLKSOURCE_SYSCLK:
- usart_frequency = RCC_GetSystemClockFreq();
- break;
- case LL_RCC_USART1_CLKSOURCE_HSI:
- if (LL_RCC_HSI_IsReady() == 1U)
- {
- usart_frequency = HSI_VALUE;
- }
- break;
- case LL_RCC_USART1_CLKSOURCE_LSE:
- if (LL_RCC_LSE_IsReady() == 1U)
- {
- usart_frequency = LSE_VALUE;
- }
- break;
- case LL_RCC_USART1_CLKSOURCE_PCLK1:
- default:
- usart_frequency = RCC_GetPCLK1ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq()));
- break;
- }
- }
- #if defined(RCC_CCIPR_USART2SEL)
- else if (USARTxSource == LL_RCC_USART2_CLKSOURCE)
- {
-
- switch (LL_RCC_GetUSARTClockSource(USARTxSource))
- {
- case LL_RCC_USART2_CLKSOURCE_SYSCLK:
- usart_frequency = RCC_GetSystemClockFreq();
- break;
- case LL_RCC_USART2_CLKSOURCE_HSI:
- if (LL_RCC_HSI_IsReady() == 1U)
- {
- usart_frequency = HSI_VALUE;
- }
- break;
- case LL_RCC_USART2_CLKSOURCE_LSE:
- if (LL_RCC_LSE_IsReady() == 1U)
- {
- usart_frequency = LSE_VALUE;
- }
- break;
- case LL_RCC_USART2_CLKSOURCE_PCLK1:
- default:
- usart_frequency = RCC_GetPCLK1ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq()));
- break;
- }
- }
- #endif
- #if defined(RCC_CCIPR_USART3SEL)
- else if (USARTxSource == LL_RCC_USART3_CLKSOURCE)
- {
-
- switch (LL_RCC_GetUSARTClockSource(USARTxSource))
- {
- case LL_RCC_USART3_CLKSOURCE_SYSCLK:
- usart_frequency = RCC_GetSystemClockFreq();
- break;
- case LL_RCC_USART3_CLKSOURCE_HSI:
- if (LL_RCC_HSI_IsReady() == 1U)
- {
- usart_frequency = HSI_VALUE;
- }
- break;
- case LL_RCC_USART3_CLKSOURCE_LSE:
- if (LL_RCC_LSE_IsReady() == 1U)
- {
- usart_frequency = LSE_VALUE;
- }
- break;
- case LL_RCC_USART3_CLKSOURCE_PCLK1:
- default:
- usart_frequency = RCC_GetPCLK1ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq()));
- break;
- }
- }
- #endif
- else
- {
-
- }
- return usart_frequency;
- }
- uint32_t LL_RCC_GetI2CClockFreq(uint32_t I2CxSource)
- {
- uint32_t i2c_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
-
- assert_param(IS_LL_RCC_I2C_CLKSOURCE(I2CxSource));
- if (I2CxSource == LL_RCC_I2C1_CLKSOURCE)
- {
-
- switch (LL_RCC_GetI2CClockSource(I2CxSource))
- {
- case LL_RCC_I2C1_CLKSOURCE_SYSCLK:
- i2c_frequency = RCC_GetSystemClockFreq();
- break;
- case LL_RCC_I2C1_CLKSOURCE_HSI:
- if (LL_RCC_HSI_IsReady() == 1U)
- {
- i2c_frequency = HSI_VALUE;
- }
- break;
- case LL_RCC_I2C1_CLKSOURCE_PCLK1:
- default:
- i2c_frequency = RCC_GetPCLK1ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq()));
- break;
- }
- }
- #if defined(RCC_CCIPR_I2C2SEL)
- else if (I2CxSource == LL_RCC_I2C2_CLKSOURCE)
- {
-
- switch (LL_RCC_GetI2CClockSource(I2CxSource))
- {
- case LL_RCC_I2C2_CLKSOURCE_SYSCLK:
- i2c_frequency = RCC_GetSystemClockFreq();
- break;
- case LL_RCC_I2C2_CLKSOURCE_HSI:
- if (LL_RCC_HSI_IsReady() == 1U)
- {
- i2c_frequency = HSI_VALUE;
- }
- break;
- case LL_RCC_I2C2_CLKSOURCE_PCLK1:
- default:
- i2c_frequency = RCC_GetPCLK1ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq()));
- break;
- }
- }
- #endif
- else
- {
- }
- return i2c_frequency;
- }
- uint32_t LL_RCC_GetI2SClockFreq(uint32_t I2SxSource)
- {
- uint32_t i2s_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
-
- assert_param(IS_LL_RCC_I2S_CLKSOURCE(I2SxSource));
- if (I2SxSource == LL_RCC_I2S1_CLKSOURCE)
- {
-
- switch (LL_RCC_GetI2SClockSource(I2SxSource))
- {
- case LL_RCC_I2S1_CLKSOURCE_HSI:
- i2s_frequency = HSI_VALUE;
- break;
- case LL_RCC_I2S1_CLKSOURCE_PLL:
- if (LL_RCC_PLL_IsReady() == 1U)
- {
- i2s_frequency = RCC_PLL_GetFreqDomain_I2S1();
- }
- break;
- case LL_RCC_I2S1_CLKSOURCE_PIN:
- i2s_frequency = EXTERNAL_CLOCK_VALUE;
- break;
- case LL_RCC_I2S1_CLKSOURCE_SYSCLK:
- default:
- i2s_frequency = RCC_GetSystemClockFreq();
- break;
- }
- }
- #if defined(RCC_CCIPR2_I2S2SEL)
- else if (I2SxSource == LL_RCC_I2S2_CLKSOURCE)
- {
-
- switch (LL_RCC_GetI2SClockSource(I2SxSource))
- {
- case LL_RCC_I2S2_CLKSOURCE_HSI:
- i2s_frequency = HSI_VALUE;
- break;
- case LL_RCC_I2S2_CLKSOURCE_PLL:
- if (LL_RCC_PLL_IsReady() == 1U)
- {
- i2s_frequency = RCC_PLL_GetFreqDomain_I2S2();
- }
- break;
- case LL_RCC_I2S2_CLKSOURCE_PIN:
- i2s_frequency = EXTERNAL_CLOCK_VALUE;
- break;
- case LL_RCC_I2S2_CLKSOURCE_SYSCLK:
- default:
- i2s_frequency = RCC_GetSystemClockFreq();
- break;
- }
- }
- #endif
- else
- {
- }
- return i2s_frequency;
- }
- #if defined(LPUART1) || defined(LPUART2)
- uint32_t LL_RCC_GetLPUARTClockFreq(uint32_t LPUARTxSource)
- {
- uint32_t lpuart_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
-
- assert_param(IS_LL_RCC_LPUART_CLKSOURCE(LPUARTxSource));
- if (LPUARTxSource == LL_RCC_LPUART1_CLKSOURCE)
- {
-
- switch (LL_RCC_GetLPUARTClockSource(LPUARTxSource))
- {
- case LL_RCC_LPUART1_CLKSOURCE_SYSCLK:
- lpuart_frequency = RCC_GetSystemClockFreq();
- break;
- case LL_RCC_LPUART1_CLKSOURCE_HSI:
- if (LL_RCC_HSI_IsReady() == 1U)
- {
- lpuart_frequency = HSI_VALUE;
- }
- break;
- case LL_RCC_LPUART1_CLKSOURCE_LSE:
- if (LL_RCC_LSE_IsReady() == 1U)
- {
- lpuart_frequency = LSE_VALUE;
- }
- break;
- case LL_RCC_LPUART1_CLKSOURCE_PCLK1:
- default:
- lpuart_frequency = RCC_GetPCLK1ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq()));
- break;
- }
- }
- #if defined(LPUART2)
- else if (LPUARTxSource == LL_RCC_LPUART2_CLKSOURCE)
- {
-
- switch (LL_RCC_GetLPUARTClockSource(LPUARTxSource))
- {
- case LL_RCC_LPUART2_CLKSOURCE_SYSCLK:
- lpuart_frequency = RCC_GetSystemClockFreq();
- break;
- case LL_RCC_LPUART2_CLKSOURCE_HSI:
- if (LL_RCC_HSI_IsReady() == 1U)
- {
- lpuart_frequency = HSI_VALUE;
- }
- break;
- case LL_RCC_LPUART2_CLKSOURCE_LSE:
- if (LL_RCC_LSE_IsReady() == 1U)
- {
- lpuart_frequency = LSE_VALUE;
- }
- break;
- case LL_RCC_LPUART2_CLKSOURCE_PCLK1:
- default:
- lpuart_frequency = RCC_GetPCLK1ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq()));
- break;
- }
- }
- #endif
- else
- {
- }
- return lpuart_frequency;
- }
- #endif
- #if defined(LPTIM1) && defined(LPTIM2)
- uint32_t LL_RCC_GetLPTIMClockFreq(uint32_t LPTIMxSource)
- {
- uint32_t lptim_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
-
- assert_param(IS_LL_RCC_LPTIM_CLKSOURCE(LPTIMxSource));
- if (LPTIMxSource == LL_RCC_LPTIM1_CLKSOURCE)
- {
-
- switch (LL_RCC_GetLPTIMClockSource(LPTIMxSource))
- {
- case LL_RCC_LPTIM1_CLKSOURCE_LSI:
- if (LL_RCC_LSI_IsReady() == 1U)
- {
- lptim_frequency = LSI_VALUE;
- }
- break;
- case LL_RCC_LPTIM1_CLKSOURCE_HSI:
- if (LL_RCC_HSI_IsReady() == 1U)
- {
- lptim_frequency = HSI_VALUE;
- }
- break;
- case LL_RCC_LPTIM1_CLKSOURCE_LSE:
- if (LL_RCC_LSE_IsReady() == 1U)
- {
- lptim_frequency = LSE_VALUE;
- }
- break;
- case LL_RCC_LPTIM1_CLKSOURCE_PCLK1:
- default:
- lptim_frequency = RCC_GetPCLK1ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq()));
- break;
- }
- }
- else
- {
-
- switch (LL_RCC_GetLPTIMClockSource(LPTIMxSource))
- {
- case LL_RCC_LPTIM2_CLKSOURCE_LSI:
- if (LL_RCC_LSI_IsReady() == 1U)
- {
- lptim_frequency = LSI_VALUE;
- }
- break;
- case LL_RCC_LPTIM2_CLKSOURCE_HSI:
- if (LL_RCC_HSI_IsReady() == 1U)
- {
- lptim_frequency = HSI_VALUE;
- }
- break;
- case LL_RCC_LPTIM2_CLKSOURCE_LSE:
- if (LL_RCC_LSE_IsReady() == 1U)
- {
- lptim_frequency = LSE_VALUE;
- }
- break;
- case LL_RCC_LPTIM2_CLKSOURCE_PCLK1:
- default:
- lptim_frequency = RCC_GetPCLK1ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq()));
- break;
- }
- }
- return lptim_frequency;
- }
- #endif
- #if defined(RCC_CCIPR_TIM1SEL) || defined(RCC_CCIPR_TIM15SEL)
- uint32_t LL_RCC_GetTIMClockFreq(uint32_t TIMxSource)
- {
- uint32_t tim_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
-
- assert_param(IS_LL_RCC_TIM_CLKSOURCE(TIMxSource));
- if (TIMxSource == LL_RCC_TIM1_CLKSOURCE)
- {
-
- switch (LL_RCC_GetTIMClockSource(TIMxSource))
- {
- case LL_RCC_TIM1_CLKSOURCE_PLL:
- if (LL_RCC_PLL_IsReady() == 1U)
- {
- tim_frequency = RCC_PLL_GetFreqDomain_TIM1();
- }
- break;
- case LL_RCC_TIM1_CLKSOURCE_PCLK1:
- default:
- tim_frequency = RCC_GetPCLK1ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq()));
- break;
- }
- }
- #if defined(TIM15)
- else
- {
- if (TIMxSource == LL_RCC_TIM15_CLKSOURCE)
- {
-
- switch (LL_RCC_GetTIMClockSource(TIMxSource))
- {
- case LL_RCC_TIM15_CLKSOURCE_PLL:
- if (LL_RCC_PLL_IsReady() == 1U)
- {
- tim_frequency = RCC_PLL_GetFreqDomain_TIM15();
- }
- break;
- case LL_RCC_TIM15_CLKSOURCE_PCLK1:
- default:
- tim_frequency = RCC_GetPCLK1ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq()));
- break;
- }
- }
- }
- #endif
- return tim_frequency;
- }
- #endif
- #if defined(RNG)
- uint32_t LL_RCC_GetRNGClockFreq(uint32_t RNGxSource)
- {
- uint32_t rng_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
- uint32_t rngdiv;
-
- assert_param(IS_LL_RCC_RNG_CLKSOURCE(RNGxSource));
-
- switch (LL_RCC_GetRNGClockSource(RNGxSource))
- {
- case LL_RCC_RNG_CLKSOURCE_PLL:
- if (LL_RCC_PLL_IsReady() == 1U)
- {
- rng_frequency = RCC_PLL_GetFreqDomain_RNG();
- rngdiv = (1UL << ((READ_BIT(RCC->CCIPR, RCC_CCIPR_RNGDIV)) >> RCC_CCIPR_RNGDIV_Pos));
- rng_frequency = (rng_frequency / rngdiv);
- }
- break;
- case LL_RCC_RNG_CLKSOURCE_HSI_DIV8:
- rng_frequency = HSI_VALUE / 8U;
- rngdiv = (1UL << ((READ_BIT(RCC->CCIPR, RCC_CCIPR_RNGDIV)) >> RCC_CCIPR_RNGDIV_Pos));
- rng_frequency = (rng_frequency / rngdiv);
- break;
- case LL_RCC_RNG_CLKSOURCE_SYSCLK:
- rng_frequency = RCC_GetSystemClockFreq();
- rngdiv = (1UL << ((READ_BIT(RCC->CCIPR, RCC_CCIPR_RNGDIV)) >> RCC_CCIPR_RNGDIV_Pos));
- rng_frequency = (rng_frequency / rngdiv);
- break;
- case LL_RCC_RNG_CLKSOURCE_NONE:
- default:
- rng_frequency = LL_RCC_PERIPH_FREQUENCY_NA;
- break;
- }
- return rng_frequency;
- }
- #endif
- #if defined(CEC)
- uint32_t LL_RCC_GetCECClockFreq(uint32_t CECxSource)
- {
- uint32_t cec_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
-
- assert_param(IS_LL_RCC_CEC_CLKSOURCE(CECxSource));
-
- switch (LL_RCC_GetCECClockSource(CECxSource))
- {
- case LL_RCC_CEC_CLKSOURCE_LSE:
- if (LL_RCC_LSE_IsReady() == 1U)
- {
- cec_frequency = LSE_VALUE;
- }
- break;
- case LL_RCC_CEC_CLKSOURCE_HSI_DIV488:
- default:
- if (LL_RCC_HSI_IsReady() == 1U)
- {
- cec_frequency = (HSI_VALUE / 488U);
- }
- break;
- }
- return cec_frequency;
- }
- #endif
- #if defined(FDCAN1) || defined(FDCAN2)
- uint32_t LL_RCC_GetFDCANClockFreq(uint32_t FDCANxSource)
- {
- uint32_t fdcan_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
-
- assert_param(IS_LL_RCC_FDCAN_CLKSOURCE(FDCANxSource));
-
- switch (LL_RCC_GetFDCANClockSource(FDCANxSource))
- {
- case LL_RCC_FDCAN_CLKSOURCE_PLL:
- if (LL_RCC_PLL_IsReady() == 1U)
- {
- fdcan_frequency = RCC_PLL_GetFreqDomain_FDCAN();
- }
- break;
- case LL_RCC_FDCAN_CLKSOURCE_HSE:
- if (LL_RCC_HSE_IsReady() == 1U)
- {
- fdcan_frequency = HSE_VALUE;
- }
- break;
- case LL_RCC_FDCAN_CLKSOURCE_PCLK1:
- default:
- fdcan_frequency = RCC_GetPCLK1ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq()));
- break;
- }
- return fdcan_frequency;
- }
- #endif
- uint32_t LL_RCC_GetADCClockFreq(uint32_t ADCxSource)
- {
- uint32_t adc_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
-
- assert_param(IS_LL_RCC_ADC_CLKSOURCE(ADCxSource));
-
- switch (LL_RCC_GetADCClockSource(ADCxSource))
- {
- case LL_RCC_ADC_CLKSOURCE_SYSCLK:
- adc_frequency = RCC_GetSystemClockFreq();
- break;
- case LL_RCC_ADC_CLKSOURCE_HSI :
- adc_frequency = HSI_VALUE;
- break;
- case LL_RCC_ADC_CLKSOURCE_PLL:
- if (LL_RCC_PLL_IsReady() == 1U)
- {
- adc_frequency = RCC_PLL_GetFreqDomain_ADC();
- }
- break;
- default:
- adc_frequency = LL_RCC_PERIPH_FREQUENCY_NA;
- break;
- }
- return adc_frequency;
- }
- uint32_t LL_RCC_GetRTCClockFreq(void)
- {
- uint32_t rtc_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
-
- switch (LL_RCC_GetRTCClockSource())
- {
- case LL_RCC_RTC_CLKSOURCE_LSE:
- if (LL_RCC_LSE_IsReady() == 1U)
- {
- rtc_frequency = LSE_VALUE;
- }
- break;
- case LL_RCC_RTC_CLKSOURCE_LSI:
- if (LL_RCC_LSI_IsReady() == 1U)
- {
- rtc_frequency = LSI_VALUE;
- }
- break;
- case LL_RCC_RTC_CLKSOURCE_HSE_DIV32:
- rtc_frequency = HSE_VALUE / 32U;
- break;
- case LL_RCC_RTC_CLKSOURCE_NONE:
- default:
- rtc_frequency = LL_RCC_PERIPH_FREQUENCY_NA;
- break;
- }
- return rtc_frequency;
- }
- #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
- uint32_t LL_RCC_GetUSBClockFreq(uint32_t USBxSource)
- {
- uint32_t usb_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
-
- assert_param(IS_LL_RCC_USB_CLKSOURCE(USBxSource));
-
- switch (LL_RCC_GetUSBClockSource(USBxSource))
- {
- #if defined(RCC_HSI48_SUPPORT)
- case LL_RCC_USB_CLKSOURCE_HSI48:
- if (LL_RCC_HSI48_IsReady() != 0U)
- {
- usb_frequency = HSI48_VALUE;
- }
- break;
- #endif
- case LL_RCC_USB_CLKSOURCE_HSE:
- if (LL_RCC_HSE_IsReady() != 0U)
- {
- usb_frequency = HSE_VALUE;
- }
- break;
- case LL_RCC_USB_CLKSOURCE_PLL:
- if (LL_RCC_PLL_IsReady() != 0U)
- {
- usb_frequency = RCC_PLL_GetFreqDomain_USB();
- }
- break;
- default:
- usb_frequency = LL_RCC_PERIPH_FREQUENCY_NA;
- break;
- }
- return usb_frequency;
- }
- #endif
- uint32_t RCC_GetSystemClockFreq(void)
- {
- uint32_t frequency;
- uint32_t hsidiv;
-
- switch (LL_RCC_GetSysClkSource())
- {
- case LL_RCC_SYS_CLKSOURCE_STATUS_HSE:
- frequency = HSE_VALUE;
- break;
- case LL_RCC_SYS_CLKSOURCE_STATUS_PLL:
- frequency = RCC_PLL_GetFreqDomain_SYS();
- break;
- case LL_RCC_SYS_CLKSOURCE_STATUS_HSI:
- default:
- hsidiv = (1UL << ((READ_BIT(RCC->CR, RCC_CR_HSIDIV)) >> RCC_CR_HSIDIV_Pos));
- frequency = (HSI_VALUE / hsidiv);
- break;
- }
- return frequency;
- }
- uint32_t RCC_GetHCLKClockFreq(uint32_t SYSCLK_Frequency)
- {
-
- return __LL_RCC_CALC_HCLK_FREQ(SYSCLK_Frequency, LL_RCC_GetAHBPrescaler());
- }
- uint32_t RCC_GetPCLK1ClockFreq(uint32_t HCLK_Frequency)
- {
-
- return __LL_RCC_CALC_PCLK1_FREQ(HCLK_Frequency, LL_RCC_GetAPB1Prescaler());
- }
- uint32_t RCC_PLL_GetFreqDomain_SYS(void)
- {
- uint32_t pllinputfreq;
- uint32_t pllsource;
-
- pllsource = LL_RCC_PLL_GetMainSource();
- switch (pllsource)
- {
- case LL_RCC_PLLSOURCE_HSI:
- pllinputfreq = HSI_VALUE;
- break;
- case LL_RCC_PLLSOURCE_HSE:
- pllinputfreq = HSE_VALUE;
- break;
- default:
- pllinputfreq = HSI_VALUE;
- break;
- }
- return __LL_RCC_CALC_PLLCLK_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(),
- LL_RCC_PLL_GetN(), LL_RCC_PLL_GetR());
- }
- uint32_t RCC_PLL_GetFreqDomain_ADC(void)
- {
- uint32_t pllinputfreq;
- uint32_t pllsource;
-
- pllsource = LL_RCC_PLL_GetMainSource();
- switch (pllsource)
- {
- case LL_RCC_PLLSOURCE_HSE:
- pllinputfreq = HSE_VALUE;
- break;
- case LL_RCC_PLLSOURCE_HSI:
- default:
- pllinputfreq = HSI_VALUE;
- break;
- }
- return __LL_RCC_CALC_PLLCLK_ADC_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(),
- LL_RCC_PLL_GetN(), LL_RCC_PLL_GetP());
- }
- #if defined(FDCAN1) || defined(FDCAN2)
- uint32_t RCC_PLL_GetFreqDomain_FDCAN(void)
- {
- uint32_t pllinputfreq;
- uint32_t pllsource;
-
- pllsource = LL_RCC_PLL_GetMainSource();
- switch (pllsource)
- {
- case LL_RCC_PLLSOURCE_HSE:
- pllinputfreq = HSE_VALUE;
- break;
- case LL_RCC_PLLSOURCE_HSI:
- default:
- pllinputfreq = HSI_VALUE;
- break;
- }
- return __LL_RCC_CALC_PLLCLK_FDCAN_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(),
- LL_RCC_PLL_GetN(), LL_RCC_PLL_GetQ());
- }
- #endif
- uint32_t RCC_PLL_GetFreqDomain_I2S1(void)
- {
- uint32_t pllinputfreq;
- uint32_t pllsource;
-
- pllsource = LL_RCC_PLL_GetMainSource();
- switch (pllsource)
- {
- case LL_RCC_PLLSOURCE_HSE:
- pllinputfreq = HSE_VALUE;
- break;
- case LL_RCC_PLLSOURCE_HSI:
- default:
- pllinputfreq = HSI_VALUE;
- break;
- }
- return __LL_RCC_CALC_PLLCLK_I2S1_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(),
- LL_RCC_PLL_GetN(), LL_RCC_PLL_GetP());
- }
- #if defined(RCC_CCIPR2_I2S2SEL)
- uint32_t RCC_PLL_GetFreqDomain_I2S2(void)
- {
- uint32_t pllinputfreq;
- uint32_t pllsource;
-
- pllsource = LL_RCC_PLL_GetMainSource();
- switch (pllsource)
- {
- case LL_RCC_PLLSOURCE_HSE:
- pllinputfreq = HSE_VALUE;
- break;
- case LL_RCC_PLLSOURCE_HSI:
- default:
- pllinputfreq = HSI_VALUE;
- break;
- }
- return __LL_RCC_CALC_PLLCLK_I2S2_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(),
- LL_RCC_PLL_GetN(), LL_RCC_PLL_GetP());
- }
- #endif
- #if defined(RNG)
- uint32_t RCC_PLL_GetFreqDomain_RNG(void)
- {
- uint32_t pllinputfreq;
- uint32_t pllsource;
-
- pllsource = LL_RCC_PLL_GetMainSource();
- switch (pllsource)
- {
- case LL_RCC_PLLSOURCE_HSE:
- pllinputfreq = HSE_VALUE;
- break;
- case LL_RCC_PLLSOURCE_HSI:
- default:
- pllinputfreq = HSI_VALUE;
- break;
- }
- return __LL_RCC_CALC_PLLCLK_RNG_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(),
- LL_RCC_PLL_GetN(), LL_RCC_PLL_GetQ());
- }
- #endif
- #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
- uint32_t RCC_PLL_GetFreqDomain_USB(void)
- {
- uint32_t pllinputfreq;
- uint32_t pllsource;
-
- pllsource = LL_RCC_PLL_GetMainSource();
- switch (pllsource)
- {
- case LL_RCC_PLLSOURCE_HSE:
- pllinputfreq = HSE_VALUE;
- break;
- case LL_RCC_PLLSOURCE_HSI:
- default:
- pllinputfreq = HSI_VALUE;
- break;
- }
- return __LL_RCC_CALC_PLLCLK_USB_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(),
- LL_RCC_PLL_GetN(), LL_RCC_PLL_GetQ());
- }
- #endif
- #if defined(RCC_PLLQ_SUPPORT)
- uint32_t RCC_PLL_GetFreqDomain_TIM1(void)
- {
- uint32_t pllinputfreq;
- uint32_t pllsource;
-
- pllsource = LL_RCC_PLL_GetMainSource();
- switch (pllsource)
- {
- case LL_RCC_PLLSOURCE_HSE:
- pllinputfreq = HSE_VALUE;
- break;
- case LL_RCC_PLLSOURCE_HSI:
- default:
- pllinputfreq = HSI_VALUE;
- break;
- }
- return __LL_RCC_CALC_PLLCLK_TIM1_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(),
- LL_RCC_PLL_GetN(), LL_RCC_PLL_GetQ());
- }
- #endif
- #if defined(RCC_PLLQ_SUPPORT) && defined(TIM15)
- uint32_t RCC_PLL_GetFreqDomain_TIM15(void)
- {
- uint32_t pllinputfreq;
- uint32_t pllsource;
-
- pllsource = LL_RCC_PLL_GetMainSource();
- switch (pllsource)
- {
- case LL_RCC_PLLSOURCE_HSE:
- pllinputfreq = HSE_VALUE;
- break;
- case LL_RCC_PLLSOURCE_HSI:
- default:
- pllinputfreq = HSI_VALUE;
- break;
- }
- return __LL_RCC_CALC_PLLCLK_TIM15_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(),
- LL_RCC_PLL_GetN(), LL_RCC_PLL_GetQ());
- }
- #endif
- #endif
- #endif
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