Signed-off-by: Rahix <rahix@rahix.de>

This change allows cleaner loading of payloads and is a preparation for
the proper implementation/use of hardware_reset().

Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>

The bootloader will have initialized the display in all cases so we
don't need to repeat the same init code all over again.

Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>

allow API signatures to contain the names "buffer" and "size"

When using the debug board, udev rules are useful to keep the functions
separate, even when enumerating in a different order.

missing : 

make CMSIS warning more readable

pmic_init() uses the GPIO API internally to set up the PMIC
interrupt handler.  This does not work properly if called before
GPIO_Init() and will lead to the power-button never interrupting
Epicardium.

Fixes #83.

Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>

When no `menu.py` is found, Epicardium will create one with the contents
of `preload/menu.py`.

Signed-off-by: Rahix <rahix@rahix.de>

Closes #26.

Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>