Silicon Laboratories SI4421 Uživatelský manuál stáhnout pdf (Strana 6)

RF WIRELESS FOUNDATION COURSE BOOK ONE

6 Rev. 0.1

Exercise 3—How to Generate a Header File for Our Software

At the top level, the WDS Chip configurator is a useful tool for swiftly generating register settings, but in lab

environments the WDS chip configurator is also capable of loading the register values directly into the Silicon Labs

RFIC. During the code development stages of a project, this tool also is useful for developing header files. This

header file can be directly included into the compilation of the source code as the control commands of the RF chip

are available as a definition.

1. Start the “ANSI C header generator tool” from the “Tools” menu

2. Generate the header file with the “Generate Header” button

3. Save the header file (if it already exists, just overwrite the existing file)

“C:\Silabs\SRW\RF_Basics_Lesson\Setup_Si4421.h”

Figure 7. ANSI C Header Generator Tool

Example from the header file:

#define IA4421_CONFIGSET_CMD 0x8038

Configuration Setting Command

Frequency Band: 915 MHz

Crystal Load Capacitance: 12.5 pF

1. ANSI C

header generator

2. Generate the

header file

3. Save the

header file

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Silicon Laboratories SI4421 Uživatelský manuál Strana 6