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This project forked from ddle/raspberrypi
Raspberry Pi "Bare Metal" projects Dung Le, 2012 --------------------------------------- references: - https://github.com/dwelch67/raspberrypi - bootloader for serial debug https://github.com/jamieiles/rpi-gdb notes: - There are makefiles for both C and Asm frameworks - Serial gdb setup (Linux): + serial connection to ARM target via uart (3 wires tx,rx and gnd) + bootloader preloaded in the target board. see "rpi-gdb" + A reset button is nice to have (solder on P6 pins, near HDMI port) + start debug section: "gdb-multiarch -x gdbscript <file.elf>" or "make sdb" - jtag debug https://github.com/ddle/RaspberryPi/tree/master/ocd_jtag + "make jdb" 1. rpi-gdb: bootloader for serial debug, (updated: also enable jtag port) - to use, just copy content of bootloader folder to SD card 2. blink: blink the status LED on board. 3. I2C driver in polling mode (Master) 4. ocd_jtag: bootloader for jtag debugging; config files for ARM-USB-OCD and raspberrypi pi 5. timer_interrupt: examples of using interrupt. The serial debug tool still has issues with the current bootloader ( does not response after a breakpoint at interuppt )
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