Peripherial Registers Header Files
Introduction
The purpose of the F281x C-code header files is to simplify the programming of the many
peripherals on the C28x device. Typically, to program a peripheral the programmer needs to
write the appropriate values to the different fields within a control register. In it’s simplest form,
the process consists of writing a hex value (or masking a bit field) to the correct address in
memory. But, since this can be a burdensome and repetitive task, the C-code header files were
created to make this a less complicated task.
The F281x C-code header files are part of a library consisting of C functions, macros, peripheral
structures, and variable definitions. Together, this set of files is known as the ‘header files.’
Eventually, the entire collection will be replaced with a CCS add-in called the Chip Support
Library (CSL). At that time, there will be a GUI interface used via CCS’s config tool.
Registers and the bit-fields are represented by structures. C functions and macros are used to
initialize or modify the structures (registers).
In this module, you will learn how to use the header files and C programs to facilitate
programming the peripherals.
Learning Objectives
Learning Objectives
Learning Objectives
Understand the usage of the F281x
Understand the usage of the F281x
C
C
-
-
Code Header Files
Code Header Files
Be able to program peripheral
Be able to program peripheral
registers
registers
Understand how peripherals are
Understand how peripherals are
mapped with linker command file
mapped with linker command file
C28x - Peripheral Registers Header Files 3 - 1
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