Function transfer_read

framework_lib/src/chromium_ec/portio.rs:37–62

Generic transfer read function

(port: u16, address: u16, size: u16)

/// Generic transfer read function
fn transfer_read(port: u16, address: u16, size: u16) -> Vec<u8> {
    if has_mec() {
        return portio_mec::transfer_read(address, size);
    }

    if log_enabled!(Level::Trace) {
        println!(
            "transfer_read(port={:#X}, address={:#X}, size={:#X})",
            port, address, size
        );
    }

    // Allocate buffer to hold result
    let mut buffer = vec![0_u8; size.into()];

    for i in 0..size {
        buffer[i as usize] = Pio::<u8>::new(port + address + i).read();
    }

    if log_enabled!(Level::Trace) {
        println!("  Read bytes:");
        util::print_multiline_buffer(&buffer, (port + address) as usize)
    }

    buffer
}

#[derive(PartialEq)]
#[allow(dead_code)]