This is the error I'm getting.
Arduino: 1.8.5 (Windows 10), Board: "Arduino M0 Pro (Programming Port)"
In file included from C:\Users\my\AppData\Local\Arduino15\packages\arduino\hardware\samd\1.6.20\cores\arduino/delay.h:23:0,
from C:\Users\my\AppData\Local\Arduino15\packages\arduino\hardware\samd\1.6.20\cores\arduino/Arduino.h:81,
from C:\Users\my\Documents\Arduino\libraries\arduino_sha204-master\SHA204SWI.cpp:17:
C:\Users\my\Documents\Arduino\libraries\arduino_sha204-master\SHA204SWI.cpp: In constructor 'SHA204SWI::SHA204SWI(uint8_t)':
C:\Users\my\AppData\Local\Arduino15\packages\arduino\hardware\samd\1.6.20\variants\arduino_mzero/variant.h:62:82: error: invalid conversion from 'PortGroup*' to 'uint8_t {aka unsigned char}' [-fpermissive]
#define digitalPinToPort(P) ( &(PORT->Group[g_APinDescription[P].ulPort]) )
^
C:\Users\my\Documents\Arduino\libraries\arduino_sha204-master\SHA204SWI.cpp:33:17: note: in expansion of macro 'digitalPinToPort'
uint8_t port = digitalPinToPort(pin); // temoporarily used to get the next three registers
^
C:\Users\my\AppData\Local\Arduino15\packages\arduino\hardware\samd\1.6.20\variants\arduino_mzero/variant.h:67:44: error: base operand of '->' is not a pointer
#define portModeRegister(port) ( &(port->DIR.reg) )
^
C:\Users\my\Documents\Arduino\libraries\arduino_sha204-master\SHA204SWI.cpp:36:20: note: in expansion of macro 'portModeRegister'
device_port_DDR = portModeRegister(port);
^
C:\Users\my\AppData\Local\Arduino15\packages\arduino\hardware\samd\1.6.20\variants\arduino_mzero/variant.h:65:44: error: base operand of '->' is not a pointer
#define portOutputRegister(port) ( &(port->OUT.reg) )
^
C:\Users\my\Documents\Arduino\libraries\arduino_sha204-master\SHA204SWI.cpp:38:20: note: in expansion of macro 'portOutputRegister'
device_port_OUT = portOutputRegister(port);
^
C:\Users\my\AppData\Local\Arduino15\packages\arduino\hardware\samd\1.6.20\variants\arduino_mzero/variant.h:66:44: error: base operand of '->' is not a pointer
#define portInputRegister(port) ( &(port->IN.reg) )
^
C:\Users\my\Documents\Arduino\libraries\arduino_sha204-master\SHA204SWI.cpp:40:19: note: in expansion of macro 'portInputRegister'
device_port_IN = portInputRegister(port);
^
exit status 1
Error compiling for board Arduino M0 Pro (Programming Port).
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