diff options
Diffstat (limited to 'lib/stm32f1/hal/source/stm32f1xx_ll_rcc.c')
| -rw-r--r-- | lib/stm32f1/hal/source/stm32f1xx_ll_rcc.c | 474 |
1 files changed, 0 insertions, 474 deletions
diff --git a/lib/stm32f1/hal/source/stm32f1xx_ll_rcc.c b/lib/stm32f1/hal/source/stm32f1xx_ll_rcc.c deleted file mode 100644 index 9ab07cfd..00000000 --- a/lib/stm32f1/hal/source/stm32f1xx_ll_rcc.c +++ /dev/null @@ -1,474 +0,0 @@ -/**
- ******************************************************************************
- * @file stm32f1xx_ll_rcc.c
- * @author MCD Application Team
- * @brief RCC LL module driver.
- ******************************************************************************
- * @attention
- *
- * <h2><center>© Copyright (c) 2016 STMicroelectronics.
- * All rights reserved.</center></h2>
- *
- * This software component is licensed by ST under BSD 3-Clause license,
- * the "License"; You may not use this file except in compliance with the
- * License. You may obtain a copy of the License at:
- * opensource.org/licenses/BSD-3-Clause
- *
- ******************************************************************************
- */
-
-#if defined(USE_FULL_LL_DRIVER)
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f1xx_ll_rcc.h"
-#ifdef USE_FULL_ASSERT
-#include "stm32_assert.h"
-#else
-#define assert_param(expr) ((void)0U)
-#endif /* USE_FULL_ASSERT */
-/** @addtogroup STM32F1xx_LL_Driver
- * @{
- */
-
-#if defined(RCC)
-
-/** @defgroup RCC_LL RCC
- * @{
- */
-
-/* Private types -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private constants ---------------------------------------------------------*/
-/* Private macros ------------------------------------------------------------*/
-/** @addtogroup RCC_LL_Private_Macros
- * @{
- */
-#if defined(RCC_PLLI2S_SUPPORT)
-#define IS_LL_RCC_I2S_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_I2S2_CLKSOURCE) \
- || ((__VALUE__) == LL_RCC_I2S3_CLKSOURCE))
-#endif /* RCC_PLLI2S_SUPPORT */
-
-#if defined(USB) || defined(USB_OTG_FS)
-#define IS_LL_RCC_USB_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_USB_CLKSOURCE))
-#endif /* USB */
-
-#define IS_LL_RCC_ADC_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_ADC_CLKSOURCE))
-/**
- * @}
- */
-
-/* Private function prototypes -----------------------------------------------*/
-/** @defgroup RCC_LL_Private_Functions RCC Private functions
- * @{
- */
-uint32_t RCC_GetSystemClockFreq(void);
-uint32_t RCC_GetHCLKClockFreq(uint32_t SYSCLK_Frequency);
-uint32_t RCC_GetPCLK1ClockFreq(uint32_t HCLK_Frequency);
-uint32_t RCC_GetPCLK2ClockFreq(uint32_t HCLK_Frequency);
-uint32_t RCC_PLL_GetFreqDomain_SYS(void);
-#if defined(RCC_PLLI2S_SUPPORT)
-uint32_t RCC_PLLI2S_GetFreqDomain_I2S(void);
-#endif /* RCC_PLLI2S_SUPPORT */
-#if defined(RCC_PLL2_SUPPORT)
-uint32_t RCC_PLL2_GetFreqClockFreq(void);
-#endif /* RCC_PLL2_SUPPORT */
-/**
- * @}
- */
-
-/* Exported functions --------------------------------------------------------*/
-/** @addtogroup RCC_LL_Exported_Functions
- * @{
- */
-
-/** @addtogroup RCC_LL_EF_Init
- * @{
- */
-
-/**
- * @brief Reset the RCC clock configuration to the default reset state.
- * @note The default reset state of the clock configuration is given below:
- * - HSI ON and used as system clock source
- * - HSE PLL, PLL2 & PLL3 are OFF
- * - AHB, APB1 and APB2 prescaler set to 1.
- * - CSS, MCO OFF
- * - All interrupts disabled
- * @note This function doesn't modify the configuration of the
- * - Peripheral clocks
- * - LSI, LSE and RTC clocks
- * @retval An ErrorStatus enumeration value:
- * - SUCCESS: RCC registers are de-initialized
- * - ERROR: not applicable
- */
-ErrorStatus LL_RCC_DeInit(void)
-{
- /* Set HSION bit */
- LL_RCC_HSI_Enable();
-
- /* Wait for HSI READY bit */
- while (LL_RCC_HSI_IsReady() != 1U)
- {}
-
- /* Configure HSI as system clock source */
- LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_HSI);
-
- /* Wait till clock switch is ready */
- while (LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_HSI)
- {}
-
- /* Reset PLLON bit */
- CLEAR_BIT(RCC->CR, RCC_CR_PLLON);
-
- /* Wait for PLL READY bit to be reset */
- while (LL_RCC_PLL_IsReady() != 0U)
- {}
-
- /* Reset CFGR register */
- LL_RCC_WriteReg(CFGR, 0x00000000U);
-
- /* Reset HSEON, HSEBYP & CSSON bits */
- CLEAR_BIT(RCC->CR, (RCC_CR_CSSON | RCC_CR_HSEON | RCC_CR_HSEBYP));
-
-#if defined(RCC_CR_PLL2ON)
- /* Reset PLL2ON bit */
- CLEAR_BIT(RCC->CR, RCC_CR_PLL2ON);
-#endif /* RCC_CR_PLL2ON */
-
-#if defined(RCC_CR_PLL3ON)
- /* Reset PLL3ON bit */
- CLEAR_BIT(RCC->CR, RCC_CR_PLL3ON);
-#endif /* RCC_CR_PLL3ON */
-
- /* Set HSITRIM bits to the reset value */
- LL_RCC_HSI_SetCalibTrimming(0x10U);
-
-#if defined(RCC_CFGR2_PREDIV1)
- /* Reset CFGR2 register */
- LL_RCC_WriteReg(CFGR2, 0x00000000U);
-#endif /* RCC_CFGR2_PREDIV1 */
-
- /* Disable all interrupts */
- LL_RCC_WriteReg(CIR, 0x00000000U);
-
- /* Clear reset flags */
- LL_RCC_ClearResetFlags();
-
- return SUCCESS;
-}
-
-/**
- * @}
- */
-
-/** @addtogroup RCC_LL_EF_Get_Freq
- * @brief Return the frequencies of different on chip clocks; System, AHB, APB1 and APB2 buses clocks
- * and different peripheral clocks available on the device.
- * @note If SYSCLK source is HSI, function returns values based on HSI_VALUE(**)
- * @note If SYSCLK source is HSE, function returns values based on HSE_VALUE(***)
- * @note If SYSCLK source is PLL, function returns values based on
- * HSI_VALUE(**) or HSE_VALUE(***) multiplied/divided by the PLL factors.
- * @note (**) HSI_VALUE is a defined constant but the real value may vary
- * depending on the variations in voltage and temperature.
- * @note (***) HSE_VALUE is a defined constant, user has to ensure that
- * HSE_VALUE is same as the real frequency of the crystal used.
- * Otherwise, this function may have wrong result.
- * @note The result of this function could be incorrect when using fractional
- * value for HSE crystal.
- * @note This function can be used by the user application to compute the
- * baud-rate for the communication peripherals or configure other parameters.
- * @{
- */
-
-/**
- * @brief Return the frequencies of different on chip clocks; System, AHB, APB1 and APB2 buses clocks
- * @note Each time SYSCLK, HCLK, PCLK1 and/or PCLK2 clock changes, this function
- * must be called to update structure fields. Otherwise, any
- * configuration based on this function will be incorrect.
- * @param RCC_Clocks pointer to a @ref LL_RCC_ClocksTypeDef structure which will hold the clocks frequencies
- * @retval None
- */
-void LL_RCC_GetSystemClocksFreq(LL_RCC_ClocksTypeDef *RCC_Clocks)
-{
- /* Get SYSCLK frequency */
- RCC_Clocks->SYSCLK_Frequency = RCC_GetSystemClockFreq();
-
- /* HCLK clock frequency */
- RCC_Clocks->HCLK_Frequency = RCC_GetHCLKClockFreq(RCC_Clocks->SYSCLK_Frequency);
-
- /* PCLK1 clock frequency */
- RCC_Clocks->PCLK1_Frequency = RCC_GetPCLK1ClockFreq(RCC_Clocks->HCLK_Frequency);
-
- /* PCLK2 clock frequency */
- RCC_Clocks->PCLK2_Frequency = RCC_GetPCLK2ClockFreq(RCC_Clocks->HCLK_Frequency);
-}
-
-#if defined(RCC_CFGR2_I2S2SRC)
-/**
- * @brief Return I2Sx clock frequency
- * @param I2SxSource This parameter can be one of the following values:
- * @arg @ref LL_RCC_I2S2_CLKSOURCE
- * @arg @ref LL_RCC_I2S3_CLKSOURCE
- * @retval I2S clock frequency (in Hz)
- */
-uint32_t LL_RCC_GetI2SClockFreq(uint32_t I2SxSource)
-{
- uint32_t i2s_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
-
- /* Check parameter */
- assert_param(IS_LL_RCC_I2S_CLKSOURCE(I2SxSource));
-
- /* I2S1CLK clock frequency */
- switch (LL_RCC_GetI2SClockSource(I2SxSource))
- {
- case LL_RCC_I2S2_CLKSOURCE_SYSCLK: /*!< System clock selected as I2S clock source */
- case LL_RCC_I2S3_CLKSOURCE_SYSCLK:
- i2s_frequency = RCC_GetSystemClockFreq();
- break;
-
- case LL_RCC_I2S2_CLKSOURCE_PLLI2S_VCO: /*!< PLLI2S oscillator clock selected as I2S clock source */
- case LL_RCC_I2S3_CLKSOURCE_PLLI2S_VCO:
- default:
- i2s_frequency = RCC_PLLI2S_GetFreqDomain_I2S() * 2U;
- break;
- }
-
- return i2s_frequency;
-}
-#endif /* RCC_CFGR2_I2S2SRC */
-
-#if defined(USB) || defined(USB_OTG_FS)
-/**
- * @brief Return USBx clock frequency
- * @param USBxSource This parameter can be one of the following values:
- * @arg @ref LL_RCC_USB_CLKSOURCE
- * @retval USB clock frequency (in Hz)
- * @arg @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that oscillator (HSI), HSE or PLL is not ready
- */
-uint32_t LL_RCC_GetUSBClockFreq(uint32_t USBxSource)
-{
- uint32_t usb_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
-
- /* Check parameter */
- assert_param(IS_LL_RCC_USB_CLKSOURCE(USBxSource));
-
- /* USBCLK clock frequency */
- switch (LL_RCC_GetUSBClockSource(USBxSource))
- {
-#if defined(RCC_CFGR_USBPRE)
- case LL_RCC_USB_CLKSOURCE_PLL: /* PLL clock used as USB clock source */
- if (LL_RCC_PLL_IsReady())
- {
- usb_frequency = RCC_PLL_GetFreqDomain_SYS();
- }
- break;
-
- case LL_RCC_USB_CLKSOURCE_PLL_DIV_1_5: /* PLL clock divided by 1.5 used as USB clock source */
- default:
- if (LL_RCC_PLL_IsReady())
- {
- usb_frequency = (RCC_PLL_GetFreqDomain_SYS() * 3U) / 2U;
- }
- break;
-#endif /* RCC_CFGR_USBPRE */
-#if defined(RCC_CFGR_OTGFSPRE)
- /* USBCLK = PLLVCO/2
- = (2 x PLLCLK) / 2
- = PLLCLK */
- case LL_RCC_USB_CLKSOURCE_PLL_DIV_2: /* PLL clock used as USB clock source */
- if (LL_RCC_PLL_IsReady())
- {
- usb_frequency = RCC_PLL_GetFreqDomain_SYS();
- }
- break;
-
- /* USBCLK = PLLVCO/3
- = (2 x PLLCLK) / 3 */
- case LL_RCC_USB_CLKSOURCE_PLL_DIV_3: /* PLL clock divided by 3 used as USB clock source */
- default:
- if (LL_RCC_PLL_IsReady())
- {
- usb_frequency = (RCC_PLL_GetFreqDomain_SYS() * 2U) / 3U;
- }
- break;
-#endif /* RCC_CFGR_OTGFSPRE */
- }
-
- return usb_frequency;
-}
-#endif /* USB */
-
-/**
- * @brief Return ADCx clock frequency
- * @param ADCxSource This parameter can be one of the following values:
- * @arg @ref LL_RCC_ADC_CLKSOURCE
- * @retval ADC clock frequency (in Hz)
- */
-uint32_t LL_RCC_GetADCClockFreq(uint32_t ADCxSource)
-{
- uint32_t adc_prescaler = 0U;
- uint32_t adc_frequency = 0U;
-
- /* Check parameter */
- assert_param(IS_LL_RCC_ADC_CLKSOURCE(ADCxSource));
-
- /* Get ADC prescaler */
- adc_prescaler = LL_RCC_GetADCClockSource(ADCxSource);
-
- /* ADC frequency = PCLK2 frequency / ADC prescaler (2, 4, 6 or 8) */
- adc_frequency = RCC_GetPCLK2ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq()))
- / (((adc_prescaler >> POSITION_VAL(ADCxSource)) + 1U) * 2U);
-
- return adc_frequency;
-}
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/** @addtogroup RCC_LL_Private_Functions
- * @{
- */
-
-/**
- * @brief Return SYSTEM clock frequency
- * @retval SYSTEM clock frequency (in Hz)
- */
-uint32_t RCC_GetSystemClockFreq(void)
-{
- uint32_t frequency = 0U;
-
- /* Get SYSCLK source -------------------------------------------------------*/
- switch (LL_RCC_GetSysClkSource())
- {
- case LL_RCC_SYS_CLKSOURCE_STATUS_HSI: /* HSI used as system clock source */
- frequency = HSI_VALUE;
- break;
-
- case LL_RCC_SYS_CLKSOURCE_STATUS_HSE: /* HSE used as system clock source */
- frequency = HSE_VALUE;
- break;
-
- case LL_RCC_SYS_CLKSOURCE_STATUS_PLL: /* PLL used as system clock source */
- frequency = RCC_PLL_GetFreqDomain_SYS();
- break;
-
- default:
- frequency = HSI_VALUE;
- break;
- }
-
- return frequency;
-}
-
-/**
- * @brief Return HCLK clock frequency
- * @param SYSCLK_Frequency SYSCLK clock frequency
- * @retval HCLK clock frequency (in Hz)
- */
-uint32_t RCC_GetHCLKClockFreq(uint32_t SYSCLK_Frequency)
-{
- /* HCLK clock frequency */
- return __LL_RCC_CALC_HCLK_FREQ(SYSCLK_Frequency, LL_RCC_GetAHBPrescaler());
-}
-
-/**
- * @brief Return PCLK1 clock frequency
- * @param HCLK_Frequency HCLK clock frequency
- * @retval PCLK1 clock frequency (in Hz)
- */
-uint32_t RCC_GetPCLK1ClockFreq(uint32_t HCLK_Frequency)
-{
- /* PCLK1 clock frequency */
- return __LL_RCC_CALC_PCLK1_FREQ(HCLK_Frequency, LL_RCC_GetAPB1Prescaler());
-}
-
-/**
- * @brief Return PCLK2 clock frequency
- * @param HCLK_Frequency HCLK clock frequency
- * @retval PCLK2 clock frequency (in Hz)
- */
-uint32_t RCC_GetPCLK2ClockFreq(uint32_t HCLK_Frequency)
-{
- /* PCLK2 clock frequency */
- return __LL_RCC_CALC_PCLK2_FREQ(HCLK_Frequency, LL_RCC_GetAPB2Prescaler());
-}
-
-/**
- * @brief Return PLL clock frequency used for system domain
- * @retval PLL clock frequency (in Hz)
- */
-uint32_t RCC_PLL_GetFreqDomain_SYS(void)
-{
- uint32_t pllinputfreq = 0U, pllsource = 0U;
-
- /* PLL_VCO = (HSE_VALUE, HSI_VALUE or PLL2 / PLL Predivider) * PLL Multiplicator */
-
- /* Get PLL source */
- pllsource = LL_RCC_PLL_GetMainSource();
-
- switch (pllsource)
- {
- case LL_RCC_PLLSOURCE_HSI_DIV_2: /* HSI used as PLL clock source */
- pllinputfreq = HSI_VALUE / 2U;
- break;
-
- case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLL clock source */
- pllinputfreq = HSE_VALUE / (LL_RCC_PLL_GetPrediv() + 1U);
- break;
-
-#if defined(RCC_PLL2_SUPPORT)
- case LL_RCC_PLLSOURCE_PLL2: /* PLL2 used as PLL clock source */
- pllinputfreq = RCC_PLL2_GetFreqClockFreq() / (LL_RCC_PLL_GetPrediv() + 1U);
- break;
-#endif /* RCC_PLL2_SUPPORT */
-
- default:
- pllinputfreq = HSI_VALUE / 2U;
- break;
- }
- return __LL_RCC_CALC_PLLCLK_FREQ(pllinputfreq, LL_RCC_PLL_GetMultiplicator());
-}
-
-#if defined(RCC_PLL2_SUPPORT)
-/**
- * @brief Return PLL clock frequency used for system domain
- * @retval PLL clock frequency (in Hz)
- */
-uint32_t RCC_PLL2_GetFreqClockFreq(void)
-{
- return __LL_RCC_CALC_PLL2CLK_FREQ(HSE_VALUE, LL_RCC_PLL2_GetMultiplicator(), LL_RCC_HSE_GetPrediv2());
-}
-#endif /* RCC_PLL2_SUPPORT */
-
-#if defined(RCC_PLLI2S_SUPPORT)
-/**
- * @brief Return PLL clock frequency used for system domain
- * @retval PLL clock frequency (in Hz)
- */
-uint32_t RCC_PLLI2S_GetFreqDomain_I2S(void)
-{
- return __LL_RCC_CALC_PLLI2SCLK_FREQ(HSE_VALUE, LL_RCC_PLLI2S_GetMultiplicator(), LL_RCC_HSE_GetPrediv2());
-}
-#endif /* RCC_PLLI2S_SUPPORT */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-#endif /* defined(RCC) */
-
-/**
- * @}
- */
-
-#endif /* USE_FULL_LL_DRIVER */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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