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This cleans up the build process for all architectures, providing a
common place to specify vpath, cflags and build rules for various
common files.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This driver uses the generic GPIO functions and allows per-LED port
and pin configuration. It supports up to 32 LEDs.
Rename SoC-specific LED drivers.
Remove enabled parameter to ao_led_init
Signed-off-by: Keith Packard <keithp@keithp.com>
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core remains a bad name to use -- dirvish skips files (and
directories, it seems) with that name.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This allows the user to specify which compiler to use for each target
CPU. Also checks to make sure the arm compiler supports -m0 and -m3
cpu type flags. The build now actually uses the specified compilers too.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This completes the basic task of making an AVR version of altos by
getting the Teensy 'avr-demo' program to build.
Signed-off-by: Keith Packard <keithp@keithp.com>
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More arch-indepdency bits.
GCC stdio is different from SDCC, so create suitable code in
avr/ao_avr_stdio.c
Create macros to initialize the task stack frame and save the task
context.
Add GCC/SDCC type definition compatibility macros
Signed-off-by: Keith Packard <keithp@keithp.com>
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