AN3128 datasheet(1/105 Pages) STMICROELECTRONICS

部件名	AN3128

功能描述	This library is a firmware package which contains a collection

PDF	105 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 105 page

June 2011

Doc ID 16918 Rev 5

1/105

AN3128

Application note

STM32 embedded graphic objects/touchscreen library

Introduction

This library is a firmware package which contains a collection of routines, data structures,

and macros covering the main features of a graphic library and supporting a HID device to

interact with the graphic objects (touchscreen, joystick, and pushbutton).

The library is general purpose and can be executed on any CPU, 8/16/32-bit, to guarantee

the maximum portability of any architecture or LCD controller, and it provides a graphical

user interface (GUI) for any application that operates with a graphical LCD.

While the firmware library functions with all currently available STM32 microcontrollers,

(STM32F10xxx, STM32L1xx and STM32F2xx series), this document describes the

firmware library through the implementation of a graphic library for embedded systems

based on the STM32F10xxx microcontroller family.

It can easily be used in the user application without an in-depth study of STM32 registers,

SPI, and I2C read/write operation steps. As a result, using the firmware library saves

significant time that would otherwise be spent in coding, while at the same time reducing the

application development and integration costs.

The firmware architecture is developed in separate layers and the HAL (hardware

abstraction layer) makes it independent from the microcontroller used in the final

application.

A set of fonts is included: 8x12 and 16x24.

Even though the firmware library source code is developed in 'ANSI-C', the code

architecture follows an OOP (object oriented programming) approach.

Section 1 describes the document and library rules.

Section 2 highlights the features of the STMPE811 and explains its hardware interface with

a device microcontroller (STM32 in this case).

Section 3 and 4 describe the library features, its architecture and its exported APIs

(application programming interfaces) in detail.

Section 5 contains an example application source code describing how to configure and use

the library.

Section 6 contains information about the embedded GUI resource editor application.

www.st.com

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