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use super::{Lcd, SubBank};
macro_rules! impl_display_interface {
($display_interface:ident) => {
impl<S> $display_interface::WriteOnlyDataCommand for Lcd<S, u16>
where
S: SubBank,
{
fn send_commands(
&mut self,
cmd: $display_interface::DataFormat<'_>,
) -> Result<(), $display_interface::DisplayError> {
use $display_interface::DataFormat;
match cmd {
DataFormat::U8(slice) => {
for value in slice {
self.write_command(u16::from(*value));
}
}
DataFormat::U16(slice) => {
for value in slice {
self.write_command(*value);
}
}
DataFormat::U16BE(slice) | DataFormat::U16LE(slice) => {
// As long as the data bus is 16 bits wide, the byte order doesn't matter.
for value in slice {
self.write_command(*value);
}
}
DataFormat::U8Iter(iter) => {
for value in iter {
self.write_command(u16::from(value));
}
}
DataFormat::U16BEIter(iter) | DataFormat::U16LEIter(iter) => {
// As long as the data bus is 16 bits wide, the byte order doesn't matter.
for value in iter {
self.write_command(value);
}
}
_ => return Err($display_interface::DisplayError::DataFormatNotImplemented),
}
Ok(())
}
fn send_data(
&mut self,
buf: $display_interface::DataFormat<'_>,
) -> Result<(), $display_interface::DisplayError> {
use $display_interface::DataFormat;
match buf {
DataFormat::U8(slice) => {
for value in slice {
self.write_data(u16::from(*value));
}
}
DataFormat::U16(slice) => {
for value in slice {
self.write_data(*value);
}
}
DataFormat::U16BE(slice) | DataFormat::U16LE(slice) => {
// As long as the data bus is 16 bits wide, the byte order doesn't matter.
for value in slice {
self.write_data(*value);
}
}
DataFormat::U8Iter(iter) => {
for value in iter {
self.write_data(u16::from(value));
}
}
DataFormat::U16BEIter(iter) | DataFormat::U16LEIter(iter) => {
// As long as the data bus is 16 bits wide, the byte order doesn't matter.
for value in iter {
self.write_data(value);
}
}
_ => return Err($display_interface::DisplayError::DataFormatNotImplemented),
}
Ok(())
}
}
};
}
macro_rules! impl_display_interface_u8 {
($display_interface:ident) => {
impl<S> $display_interface::WriteOnlyDataCommand for Lcd<S, u8>
where
S: SubBank,
{
fn send_commands(
&mut self,
cmd: $display_interface::DataFormat<'_>,
) -> Result<(), $display_interface::DisplayError> {
use $display_interface::DataFormat;
match cmd {
DataFormat::U8(slice) => {
for value in slice {
self.write_command(*value);
}
}
DataFormat::U16(slice) => {
for value in slice {
let bytes = value.to_ne_bytes();
self.write_command(bytes[0]);
self.write_command(bytes[1]);
}
}
DataFormat::U16BE(slice) => {
for value in slice {
let bytes = value.to_be_bytes();
self.write_command(bytes[0]);
self.write_command(bytes[1]);
}
}
DataFormat::U16LE(slice) => {
for value in slice {
let bytes = value.to_le_bytes();
self.write_command(bytes[0]);
self.write_command(bytes[1]);
}
}
DataFormat::U8Iter(iter) => {
for value in iter {
self.write_command(value);
}
}
DataFormat::U16BEIter(iter) => {
for value in iter {
let bytes = value.to_be_bytes();
self.write_command(bytes[0]);
self.write_command(bytes[1]);
}
}
DataFormat::U16LEIter(iter) => {
for value in iter {
let bytes = value.to_le_bytes();
self.write_command(bytes[0]);
self.write_command(bytes[1]);
}
}
_ => return Err($display_interface::DisplayError::DataFormatNotImplemented),
}
Ok(())
}
fn send_data(
&mut self,
buf: $display_interface::DataFormat<'_>,
) -> Result<(), $display_interface::DisplayError> {
use $display_interface::DataFormat;
match buf {
DataFormat::U8(slice) => {
for value in slice {
self.write_data(*value);
}
}
DataFormat::U8Iter(iter) => {
for value in iter {
self.write_data(value);
}
}
DataFormat::U16(slice) => {
for value in slice {
let bytes = value.to_ne_bytes();
self.write_data(bytes[0]);
self.write_data(bytes[1]);
}
}
DataFormat::U16BE(slice) => {
for value in slice {
let bytes = value.to_be_bytes();
self.write_data(bytes[0]);
self.write_data(bytes[1]);
}
}
DataFormat::U16LE(slice) => {
for value in slice {
let bytes = value.to_le_bytes();
self.write_data(bytes[0]);
self.write_data(bytes[1]);
}
}
DataFormat::U16BEIter(iter) => {
for value in iter {
let bytes = value.to_be_bytes();
self.write_data(bytes[0]);
self.write_data(bytes[1]);
}
}
DataFormat::U16LEIter(iter) => {
for value in iter {
let bytes = value.to_le_bytes();
self.write_data(bytes[0]);
self.write_data(bytes[1]);
}
}
_ => return Err($display_interface::DisplayError::DataFormatNotImplemented),
}
Ok(())
}
}
};
}
impl_display_interface!(display_interface);
impl_display_interface!(display_interface_04);
impl_display_interface_u8!(display_interface);
impl_display_interface_u8!(display_interface_04);