RTEMS 6.1-rc5
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Macros | Functions | Variables
system_stm32h7xx.c File Reference

CMSIS Cortex-Mx Device Peripheral Access Layer System Source File. More...

#include "stm32h7xx.h"
#include <math.h>

Macros

#define HSE_VALUE   ((uint32_t)25000000)
 
#define CSI_VALUE   ((uint32_t)4000000)
 
#define HSI_VALUE   ((uint32_t)64000000)
 
#define VECT_TAB_OFFSET   0x00000000UL
 

Functions

void SystemInit (void)
 Setup the microcontroller system Initialize the FPU setting and vector table location configuration.
 
void SystemCoreClockUpdate (void)
 Update SystemCoreClock variable according to Clock Register Values. The SystemCoreClock variable contains the core clock , it can be used by the user application to setup the SysTick timer or configure other parameters.
 

Variables

uint32_t SystemCoreClock = 64000000
 System clock frequency (core clock)
 
uint32_t SystemD2Clock = 64000000
 
const uint8_t D1CorePrescTable [16] = {0, 0, 0, 0, 1, 2, 3, 4, 1, 2, 3, 4, 6, 7, 8, 9}
 

Detailed Description

CMSIS Cortex-Mx Device Peripheral Access Layer System Source File.

Author
MCD Application Team

This file provides two functions and one global variable to be called from user application:

Attention

© Copyright (c) 2017 STMicroelectronics. All rights reserved.

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