AN4141 datasheet(37/42 Pages) STMICROELECTRONICS

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AN4141

How to use the STM32W108xx standard peripheral library

Note:

You can also select the target product by adding the target name definition in the project

preprocessor configuration.

Then the user can choose to use the peripheral drivers or not.

•

Case 1 (C1, see Figure 7): application code based on STM32W peripheral driver API

–

Uncomment #define USE_STDPERIPH_DRIVER in file stm32w108xx.h.

–

In the file stm32w108xx_conf.h, select the peripherals to be used (for header file

inclusion)

–

Use the peripheral driver API to build the application.

•

Case 2 (C2, see Figure 7): application code based on direct access to the STM32W

peripheral registers (stm32w108xx.h)

–

Comment #define USE_STDPERIPH_DRIVER in file stm32w108xx.h.

–

Use the peripheral register structure and bit definition file, stm32w108xx.h, to build

the application.

Figure 7. Structure of RF Application based on STM32W library & CMSIS

1. C1: Application code based on STM32W peripheral driver API.

2. C2: Application code based on direct access to STM32W peripheral registers (file stm32w108xx.h).

MS30938V1

Core_cm3.h

stm32w108xx.h

Peripheral register & interrupt vector definitions

Core peripheral functions

(cm3_core.c)

STM32 peripheral functions

(STM32 StdPeriph Library)

CortexM3 (CPU, SysTick, NVIC,

Debug/Trace Interface)

STM32 Peripherals (Clock, Power, GPIO, ADC,

Timers, WDGs, memory IF, SCs, etc.)

SimpleMAC Library

RF4CE Library

(1)

(2)

SimpleMAC & RF4CE Access functions

RF Application Code

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