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This is an old revision of the document!
The crazyradio dongle is based on a Nordic semiconductor nRF24LU1 chip. This chip contains a 8051-compatible microcontroller and is programmed using the SDCC compiler.
As of version 0.31 the dongle program must be compiled with an SDCC version < 3.0 because of some register declaration are broken with SDCC 3.
From version 0.4 the dongle firmware has been ported to SDCC 3.0. So it can be compiled out of the box without the need of an old SDCC version.
These instruction works on a recent (as of 2012-02) linux distribution:
[crazyradio]$ export SDCC=~/sdcc/bin/sdcc [crazyradio]$ make mkdir -p bin /home/arnaud/sdcc/bin/sdcc -Iinc/ --model-medium -c src/main.c -o bin/main.rel /home/arnaud/sdcc/bin/sdcc -Iinc/ --model-medium -c src/radio.c -o bin/radio.rel /home/arnaud/sdcc/bin/sdcc -Iinc/ --model-medium -c src/usb.c -o bin/usb.rel /home/arnaud/sdcc/bin/sdcc -Iinc/ --model-medium -c src/usbDescriptor.c -o bin/usbDescriptor.rel /home/arnaud/sdcc/bin/sdcc -Iinc/ --model-medium -c src/led.c -o bin/led.rel /home/arnaud/sdcc/bin/sdcc --xram-loc 0x8000 --xram-size 2048 --model-medium bin/main.rel bin/radio.rel bin/usb.rel bin/usbDescriptor.rel bin/led.rel -o bin/cradio.ihx objcopy -I ihex bin/cradio.ihx -O binary bin/cradio.bin [crazyradio]$