CMSIS Reference

 

Hardware register abstraction layer for the SOC.

Summary

 

Variables

 

Data Structures

 

Macros

 

Functions

  • _start : Initialize the application data and start execution with main.
  • _sbrk : Increment (or decrement) the top of the heap.
  • SystemInit : Initializes the system by clearing and disabling interrupts, updating the SystemCoreClock variable and updating flash timing registers based on the read SYS_CLK.
  • SystemCoreClockUpdate : Reads system registers to determine the current system clock frequency, update the SystemCoreClock variable and update the flash timing registers accordingly.