pi@octopi:~/Klipper $ make
Building out/autoconf.h
Compiling out/src/sched.o
Compiling out/src/command.o
Compiling out/src/basecmd.o
Compiling out/src/debugcmds.o
Compiling out/src/initial_pins.o
Compiling out/src/gpiocmds.o
Compiling out/src/stepper.o
Compiling out/src/endstop.o
Compiling out/src/trsync.o
Compiling out/src/adccmds.o
Compiling out/src/spicmds.o
Compiling out/src/thermocouple.o
Compiling out/src/i2ccmds.o
src/i2ccmds.c:14:23: error: field ‘i2c_config’ has incomplete type
struct i2c_config i2c_config;
^
src/i2ccmds.c: In function ‘command_config_i2c’:
src/i2ccmds.c:23:23: warning: implicit declaration of function ‘i2c_setup’ [-Wimplicit-function-declaration]
i2c->i2c_config = i2c_setup(args[1], args[2], addr);
^
src/i2ccmds.c: In function ‘command_i2c_write’:
src/i2ccmds.c:35:5: warning: implicit declaration of function ‘i2c_write’ [-Wimplicit-function-declaration]
i2c_write(i2c->i2c_config, data_len, data);
^
src/i2ccmds.c: In function ‘command_i2c_read’:
src/i2ccmds.c:48:5: warning: implicit declaration of function ‘i2c_read’ [-Wimplicit-function-declaration]
i2c_read(i2c->i2c_config, reg_len, reg, data_len, data);
^
make: *** [Makefile:64: out/src/i2ccmds.o] Error 1

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