Chameleon Flash Seriale
Contents.Internal structure The Chameleon was built around two processors:. a 24-bits fixed point Motorola DSP56303, clocked at 100 MHz. a 32-bits ColdFire microcontroller (model MCF5206), clocked at 40 MHzEach processor has its own dedicated (4MWords for the DSP, 8MB for the microcontroller). The system stores the operating system (RTEMS), the firmware for the microcontroller and the DSP code into a 1MB Flash.When the Chameleon starts, the ColdFire boots the RTOS and its own application from the Flash.
It then loads the DSP using the DSP HPI (Host Port Interface).The microcontroller communicates with its environment usign two serial ports. The first serial port is connected to the MIDI interface. The second serial port is connected to the front panel circuit board. The front panel has its own microcontroller, used to control the LCD and the various push-buttons, knobs and potentiometers on the front panel.The debug port located at the back is used to upload new 'skins' in the Chameleon, from the development environment running on a PC.
The debug port is connected to the front panel board which acts as a bridge with the Chameleon main board.Open software architecture The Chameleon was designed since the beginning as a completely system. A complete access was given to the two processors. Writing a 'skin' requires then to write two programs:the DSP program (written normally in assembly), for the real-time audio processing the microcontroller program (written normally in C), for the MIDI, control rate processing and user interface tasksTo simplify system integration, the Chameleon runs on RTEMS real-time operating system.
Serial Hdd
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Hard Disk Serial Number Generator
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