#define F_CPU 8000000UL #include #include "MCP23017_LIB.h" #include int main(void) { _delay_ms(500); mcp23017_init(0x4e); while (1) { for (int i=1; i<=16; i++) { mcp23017_drive_output(0x4e, i); _delay_ms(20); } mcp23017_clear_all_outputs(0x4e); return 0; } }