AN4141 datasheet(36/42 Pages) STMICROELECTRONICS

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How to use the STM32W108xx standard peripheral library

AN4141

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DocID023425 Rev 2

How to use the STM32W108xx standard peripheral

library

This section describes the steps to be followed to use the STM32W108xx standard

peripheral library.

•

Create a project and set up all your toolchain's startup files (or use the template project

provided within the library)

•

Select the startup file depending on the used product, only one startup file should be

selected at a time:

–

startup_stm32w108xx.s/.c

•

The library entry point is “stm32w108xx.h”. It should be included in the application main

and configured:

–

Select the target product family, comment/uncomment the right define:

/** Uncomment the line below according to the target STM32 device

used in your

* application

#if !defined (STM32W108C8) && !defined (STM32W108CB) && !defined

(STM32W108CC) && !defined (STM32W108CZ) && !defined (STM32W108HB)

/* #define STM32W108C8 */

/*!< STM32W108C8: 64k FLASH */

/* #define STM32W108CB */

/*!< STM32W108CB: 128k FLASH */

/* #define STM32W108CC */

/*!< STM32W108CC: 256k FLASH */

/* #define STM32W108CZ */

/*!< STM32W108CZ: 192k FLASH */

/* #define STM32W108HB */

/*!< STM32W108HB: 128k FLASH */

#endif

/**

Tip: To avoid modifying this file each time you need to switch

between these

devices, you can define the device in your toolchain

compiler preprocessor.

#if !defined (STM32W108C8) && !defined (STM32W108CB) && !defined

(STM32W108CC) && !defined (STM32W108CZ) && !defined (STM32W108HB)

#error "Please select first the target STM32W108XX device used in

your application (in stm32w108xx.h file)"

#endif

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