AN4141 datasheet(10/42 Pages) STMICROELECTRONICS

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Why migrate from HAL to StdPeriph_Lib?

AN4141

10/42

DocID023425 Rev 2

1.2

STM32W108xx standard peripheral library with Doxygen

format

The STM32W108xx standard peripheral library comes in a new source file format. Now, all

StdPeriph_Lib files use the Doxygen format to facilitate documentation generation and for a

more interactive and effective documentation usage.

The STM32W108xx firmware library user manual is now presented in two formats: a CHM

file and a PDF file presenting all STM32W108xx standard peripheral library components.

Doxygen example

/**

* @brief

Reads the specified input port pin.

* @param

GPIOx: where x can be (A, B or C) to select the GPIO peripheral.

* @param

GPIO_Pin: specifies the port bit to read.

This parameter can be GPIO_Pin_x where x can be (0..7).

* @retval The input port pin value.

Where:

•

@brief: one-line brief function overview

•

@param: detailed parameter explanation

•

@retval: detailed information about return values

For more details, refer to file stm32w108xx_stdperiph_lib_um.chm.

1.3

STM32W108xx standard peripheral library architecture

The STM32W108xx standard peripheral library architecture is enhanced with CMSIS layer

support.

The StdPeriph_Lib usage is now based on two approaches that take into account the

application needs:

•

When the application uses the peripheral drivers: in this case, product

programming is based on the drivers' API (application programming interface). You

only have to configure the stm32w108xx_conf.h file and use the corresponding

stm32w108xx_ppp.h/.c files.

•

When the application does not use the peripheral drivers: in this case, product

programming is based on the peripheral register structure and bit definition file.

The StdPeriph_Lib supports all STM32W108xx family products: STM32W108C8,

STM32W108CB, STM32W108CC, STM32W108CZ and STM32W108HB devices.

The StdPeriph_Lib is configurable for the whole family products through preprocessor

defines

, one define per product. Defines are available for the following products:

•

STM32W108C8: STM32 64K FLASH devices

•

STM32W108CB: STM32 128K FLASH devices

•

STM32W108CC: STM32 256K FLASH devices

•

STM32W108CZ: STM32 192K FLASH devices

•

STM32W108HB: STM32 128K FLASH devices

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