Titlebook: Exploring the Raspberry Pi 2 with C++; Warren Gay Book 2015 Warren Gay 2015 Raspberry Pi.Linux.GPIO.kernel.multi-core.c++.programming

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Are Miracles Violations of Laws of Nature?This appendix documents the Matrix class as used in the project in .. This class can be used to drive an LED matrix, as shown in ., for example:

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https://doi.org/10.1057/9780230281158This appendix documents the MTop and Diskstat classes as used in the mtop project in .. These are used to gather information to display on an LED matrix, such as:

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The Matrix (CPU Utilization),Aside from the doubled RAM capacity, one of the main attractions of the new Raspberry Pi 2 is the four CPU cores: four times the brain power! In this chapter, we’re going to look at a few ways to visualize the CPU activity present in the cores.

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Installing a Kernel,To install and use the logic analyzer tool, we must first build and install a kernel loadable module. This . module provides safe and automatic access to the Pi’s DMA peripheral and its interrupts for the . tool.

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General Purpose Clock,The Raspberry Pi has two hardware clocks available for the end user (the others are reserved or used by the system). One of these user accessible clocks is used for Pulse Width Modulation (PWM), which is the subject of .. The other is known as GPCLK0 in the Broadcom vernacular.

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