stm32f4xx_ll_utils.c File Reference

UTILS LL module driver. More...

#include "stm32f4xx_ll_utils.h"
#include "stm32f4xx_ll_rcc.h"
#include "stm32f4xx_ll_system.h"
#include "stm32f4xx_ll_pwr.h"

Go to the source code of this file.

Defines
#define	assert_param(expr)   ((void)0U)
#define	UTILS_MAX_FREQUENCY_SCALE1   RCC_MAX_FREQUENCY
#define	UTILS_MAX_FREQUENCY_SCALE2   RCC_MAX_FREQUENCY_SCALE2
#define	UTILS_MAX_FREQUENCY_SCALE3   RCC_MAX_FREQUENCY_SCALE3
#define	UTILS_PLLVCO_INPUT_MIN   RCC_PLLVCO_INPUT_MIN
#define	UTILS_PLLVCO_INPUT_MAX   RCC_PLLVCO_INPUT_MAX
#define	UTILS_PLLVCO_OUTPUT_MIN   RCC_PLLVCO_OUTPUT_MIN
#define	UTILS_PLLVCO_OUTPUT_MAX   RCC_PLLVCO_OUTPUT_MAX
#define	UTILS_HSE_FREQUENCY_MIN   4000000U
#define	UTILS_HSE_FREQUENCY_MAX   26000000U
#define	UTILS_SCALE1_LATENCY1_FREQ   FLASH_SCALE1_LATENCY1_FREQ
#define	UTILS_SCALE1_LATENCY2_FREQ   FLASH_SCALE1_LATENCY2_FREQ
#define	UTILS_SCALE1_LATENCY3_FREQ   FLASH_SCALE1_LATENCY3_FREQ
#define	UTILS_SCALE1_LATENCY4_FREQ   FLASH_SCALE1_LATENCY4_FREQ
#define	UTILS_SCALE1_LATENCY5_FREQ   FLASH_SCALE1_LATENCY5_FREQ
#define	UTILS_SCALE2_LATENCY1_FREQ   FLASH_SCALE2_LATENCY1_FREQ
#define	UTILS_SCALE2_LATENCY2_FREQ   FLASH_SCALE2_LATENCY2_FREQ
#define	UTILS_SCALE2_LATENCY3_FREQ   FLASH_SCALE2_LATENCY3_FREQ
#define	UTILS_SCALE2_LATENCY4_FREQ   FLASH_SCALE2_LATENCY4_FREQ
#define	UTILS_SCALE2_LATENCY5_FREQ   FLASH_SCALE2_LATENCY5_FREQ
#define	UTILS_SCALE3_LATENCY1_FREQ   FLASH_SCALE3_LATENCY1_FREQ
#define	UTILS_SCALE3_LATENCY2_FREQ   FLASH_SCALE3_LATENCY2_FREQ
#define	UTILS_SCALE3_LATENCY3_FREQ   FLASH_SCALE3_LATENCY3_FREQ
#define	IS_LL_UTILS_SYSCLK_DIV(__VALUE__)
#define	IS_LL_UTILS_APB1_DIV(__VALUE__)
#define	IS_LL_UTILS_APB2_DIV(__VALUE__)
#define	IS_LL_UTILS_PLLM_VALUE(__VALUE__)
#define	IS_LL_UTILS_PLLN_VALUE(__VALUE__)   ((RCC_PLLN_MIN_VALUE <= (__VALUE__)) && ((__VALUE__) <= RCC_PLLN_MAX_VALUE))
#define	IS_LL_UTILS_PLLP_VALUE(__VALUE__)
#define	IS_LL_UTILS_PLLVCO_INPUT(__VALUE__)   ((UTILS_PLLVCO_INPUT_MIN <= (__VALUE__)) && ((__VALUE__) <= UTILS_PLLVCO_INPUT_MAX))
#define	IS_LL_UTILS_PLLVCO_OUTPUT(__VALUE__)   ((UTILS_PLLVCO_OUTPUT_MIN <= (__VALUE__)) && ((__VALUE__) <= UTILS_PLLVCO_OUTPUT_MAX))
#define	IS_LL_UTILS_PLL_FREQUENCY(__VALUE__)
#define	IS_LL_UTILS_HSE_BYPASS(__STATE__)
#define	IS_LL_UTILS_HSE_FREQUENCY(__FREQUENCY__)   (((__FREQUENCY__) >= UTILS_HSE_FREQUENCY_MIN) && ((__FREQUENCY__) <= UTILS_HSE_FREQUENCY_MAX))
Functions
static uint32_t	UTILS_GetPLLOutputFrequency (uint32_t PLL_InputFrequency, LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct)
	Function to check that PLL can be modified.
static ErrorStatus	UTILS_SetFlashLatency (uint32_t HCLK_Frequency)
	Update number of Flash wait states in line with new frequency and current voltage range.
static ErrorStatus	UTILS_EnablePLLAndSwitchSystem (uint32_t SYSCLK_Frequency, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct)
	Function to enable PLL and switch system clock to PLL.
static ErrorStatus	UTILS_PLL_IsBusy (void)
	Function to check that PLL can be modified.
void	LL_Init1msTick (uint32_t HCLKFrequency)
	This function configures the Cortex-M SysTick source to have 1ms time base.
void	LL_mDelay (uint32_t Delay)
	This function provides accurate delay (in milliseconds) based on SysTick counter flag.
void	LL_SetSystemCoreClock (uint32_t HCLKFrequency)
	This function sets directly SystemCoreClock CMSIS variable.
ErrorStatus	LL_PLL_ConfigSystemClock_HSI (LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct)
	This function configures system clock at maximum frequency with HSI as clock source of the PLL.
ErrorStatus	LL_PLL_ConfigSystemClock_HSE (uint32_t HSEFrequency, uint32_t HSEBypass, LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct)
	This function configures system clock with HSE as clock source of the PLL.

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Detailed Description

UTILS LL module driver.

Author:

MCD Application Team

Attention:

© COPYRIGHT(c) 2017 STMicroelectronics

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name of STMicroelectronics nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Definition in file stm32f4xx_ll_utils.c.

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Define Documentation

#define assert_param

(

expr

)

((void)0U)

Definition at line 43 of file stm32f4xx_ll_utils.c.

Referenced by LL_PLL_ConfigSystemClock_HSE(), UTILS_EnablePLLAndSwitchSystem(), and UTILS_GetPLLOutputFrequency().