ST STM32CubeF4, User Manual

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Demonstration functional description (STM324x9I-EVAL, STM324xG-EVAL, STM32F429I-Discov-
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8.2.4 Benchmark
Overview
The Benchmark module is a system module that allows measure the graphical performance
by measuring the time needed to draw several colored rectangles in random position with
random size during a specific period. The result is given in pixel per second.
Functional description
The benchmark starts immediately once the start speed benchmark button is pressed. After
few seconds the result is displayed in red below the CPU Usage graphical window and
result is logged in the right list box with date and time stamp (
Figure 51 ).
Figure 51. Benchmarking
8.2.5 Audio
Overview
The audio player module provides a complete audio solution based on the STM32F4xx and
delivers a high-quality music experience. It supports playing music in WAV format but may
be extended to support other compressed formats such as MP3 and WMA audio formats.
Architecture
Figure 52 shows the different audio player parts and their connections and interactions with
the external components.
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