regs.rs

ioregs! (GPIO @ 0x50000000 = {  //! power management unit
  0x504 => reg32 out { 31..0 => pins }, // write to gpio
  0x508 => reg32 outset { 31..0 => pins }, // set individual out pins to high
  0x50c => reg32 outclr { 31..0 => pins } , // set individual out pins to low
  0x510 => reg32 in { 31..0 => pins } , // read pin values
  0x514 => reg32 dir { 31..0 => pins } , // set direction of all pins (1=output, 0=input)
  0x518 => reg32 dirset { 31..0 => pins } , // set individual pins to output
  0x51c => reg32 dirclr { 31..0 => pins } , // set individual pins to input
  0x700 => reg32 pin_config[32] {
    0 => dir,
    1 => input,
    3..2 => pull,
    10..8 => drive,
    17..16 => sense,
  },
});