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Job Summary:
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| Job Type: |
Project |
| Budget: |
$ 300-1000 |
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| Attached
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(None) |
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| Status: |
Closed for bidding
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Buyer Summary:
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| Feedback Score: |
Rating: (No Feedback Yet)
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| Award Reliability: |
1 posted 0 paid |
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| Location: |
London, United Kingdom
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| Member Since: |
April 2, 2009 |
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| Invited Users: |
There are no invited users
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Description
Hardware and Software (Assembler) Design for Atmel or PIC.
A current prototype operating system written for the PIC needs to be rewritten/ported to work with an Atmel AVR platform.
Hardware and firmware interface with MIDI I/O which transmits MIDI notes when buttons are pushed. It will transmit CCs between 0 and 127 when pots are moved.
A complier based language such as C will be used to write the code for the “software” which will be uploaded to the firmware (which will be running the new OS which is to be written) – this will control the LEDs using software switches or IF statements to turn LEDs on and off based on MIDI notes received. So a boot loader will need to be added to facilitate the uploading of the “software” to the firmware.
Midi Interface - With Midi I/O or even better a USB port which appears as a midi device in Windows/OSX Digital Inputs – up to 128 digital inputs for buttons and encoders (encoders will need a de-bounce function written) Analogue Inputs – up to 64 Analogue inputs for pots and faders Digital Outputs – up to 128 digital outputs to drive LEDs
Hardware Suggested platforms: Atmel AVR or PIC
Using the Atmel AVR platform for instance, drivers will need to be written or adapted from available code to multiplex the Digital and Analogue Ins. Then a Digital Out driver (for the LEDs) needs to be written.
Current Hardware and Code A full working prototype with all hardware, software and schematics is available. The prototype uses a Mircochip PIC18F452 with multiplexers. There are working examples of Assembler Code for the O/S as well as C code for the Firmware – which is uploaded to the PIC via midi.
Basically we want a very cut down version of the Assembler prototype with the functionality as described above.
Reminder
You may not start working in this and any request before
your bid is accepted. Users who violate this policy
may have their accounts permanently suspended.
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