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Linking PIC18 Bootloaders and Applications


Recording Date: 06/14/2012
Duration: 26 min

Abstract

Using a bootloader programmed into a device allows you to easily download and execute applications without having to take the product back to the workshop. But since the bootloader and application are both resident in the one device, special care must be taken to ensure that they share the available memory. This webinar looks at one strategy you might choose to link bootloaders and the applications they download, the compiler options that make this happen, and how you can check that everything was positioned as required. Exactly what you put into your bootloader and how you write it is left for your discretion; however, we will look at a typical flow diagram for a PIC18 bootloader and also show specific code sequences that the bootloader can use to invoke the application and to handle interrupts.

PresenterJeff O'Keefe, Staff Engineer

Jeff started working with HI-TECH Software in 1997 and was the Senior Software Engineer for many years, before the company became a part of Microchip. In 1998 he received his PhD from La Trobe University, Australia, in digital signal processing, and has undergraduate degrees in physics, mathematics and electronics.

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