#[macro_export]
macro_rules! i2c_begin_write {
($sim: ident, $clock: ident, $uut: ident, $addr: expr) => {
$uut = $sim.watch(|x| !x.controller.busy.val(), $uut)?;
wait_clock_true!($sim, $clock, $uut);
$uut.controller.cmd.next = I2CControllerCmd::BeginWrite;
$uut.controller.write_data_in.next = ($addr as u32).to_bits();
$uut.controller.run.next = true;
wait_clock_cycle!($sim, $clock, $uut);
$uut.controller.run.next = false;
$uut = $sim.watch(|x| x.controller.nack.val() | x.controller.ack.val(), $uut)?;
};
}
#[macro_export]
macro_rules! i2c_begin_read {
($sim: ident, $clock: ident, $uut: ident, $addr: expr) => {
$uut = $sim.watch(|x| !x.controller.busy.val(), $uut)?;
wait_clock_true!($sim, $clock, $uut);
$uut.controller.cmd.next = I2CControllerCmd::BeginRead;
$uut.controller.write_data_in.next = ($addr as u32).to_bits();
$uut.controller.run.next = true;
wait_clock_cycle!($sim, $clock, $uut);
$uut.controller.run.next = false;
$uut = $sim.watch(|x| x.controller.nack.val() | x.controller.ack.val(), $uut)?;
};
}
#[macro_export]
macro_rules! i2c_end_transmission {
($sim: ident, $clock: ident, $uut: ident) => {
$uut = $sim.watch(|x| !x.controller.busy.val(), $uut)?;
wait_clock_true!($sim, $clock, $uut);
$uut.controller.cmd.next = I2CControllerCmd::EndTransmission;
$uut.controller.run.next = true;
wait_clock_cycle!($sim, $clock, $uut);
$uut.controller.run.next = false;
$uut = $sim.watch(|x| !x.controller.busy.val(), $uut)?;
wait_clock_cycles!($sim, $clock, $uut, 10);
};
}
#[macro_export]
macro_rules! i2c_write {
($sim: ident, $clock: ident, $uut: ident, $val: expr) => {
$uut = $sim.watch(|x| !x.controller.busy.val(), $uut)?;
wait_clock_true!($sim, $clock, $uut);
$uut.controller.cmd.next = I2CControllerCmd::Write;
$uut.controller.write_data_in.next = ($val as u32).to_bits();
$uut.controller.run.next = true;
wait_clock_cycle!($sim, $clock, $uut);
$uut.controller.run.next = false;
$uut = $sim.watch(|x| x.controller.nack.val() | x.controller.ack.val(), $uut)?;
};
}
#[macro_export]
macro_rules! i2c_read {
($sim: ident, $clock: ident, $uut: ident) => {{
$uut = $sim.watch(|x| !x.controller.busy.val(), $uut)?;
wait_clock_true!($sim, $clock, $uut);
$uut.controller.cmd.next = I2CControllerCmd::Read;
$uut.controller.run.next = true;
wait_clock_cycle!($sim, $clock, $uut);
$uut.controller.run.next = false;
$uut = $sim.watch(|x| x.controller.read_valid.val(), $uut)?;
$uut.controller.read_data_out.val()
}};
}
#[macro_export]
macro_rules! i2c_read_last {
($sim: ident, $clock: ident, $uut: ident) => {{
$uut = $sim.watch(|x| !x.controller.busy.val(), $uut)?;
wait_clock_true!($sim, $clock, $uut);
$uut.controller.cmd.next = I2CControllerCmd::ReadLast;
$uut.controller.run.next = true;
wait_clock_cycle!($sim, $clock, $uut);
$uut.controller.run.next = false;
$uut = $sim.watch(|x| x.controller.read_valid.val(), $uut)?;
$uut.controller.read_data_out.val()
}};
}