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epd-waveshare
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Removed data_x_times function

embedded-hal-1.0
Chris 2018-10-10 14:43:18 +02:00
parent 99d328575f
commit 6a24acf62b
4 changed files with 24 additions and 34 deletions
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7
src/epd1in54/mod.rs
View File

@ -178,8 +178,11 @@ where
// clear the ram with the background color
let color = self.background_color.get_byte_value();
self.interface.cmd(Command::WRITE_RAM)?;
self.interface.data_x_times(color, WIDTH / 8 * HEIGHT)
//TODO: this is using a big buffer atm, is it better to just loop over sending a single byte?
self.interface.cmd_with_data(
Command::WRITE_RAM,
&[color; WIDTH as usize / 8 * HEIGHT as usize]
)
}

7
src/epd2in9/mod.rs
View File

@ -175,8 +175,11 @@ where
// clear the ram with the background color
let color = self.background_color.get_byte_value();
self.interface.cmd(Command::WRITE_RAM)?;
self.interface.data_x_times(color, WIDTH / 8 * HEIGHT)
//TODO: this is using a big buffer atm, is it better to just loop over sending a single byte?
self.interface.cmd_with_data(
Command::WRITE_RAM,
&[color; WIDTH as usize / 8 * HEIGHT as usize]
)
}
/// Sets the backgroundcolor for various commands like [WaveshareInterface::clear_frame()](clear_frame())

20
src/epd4in2/mod.rs
View File

@ -191,7 +191,9 @@ where
self.command(Command::DATA_START_TRANSMISSION_1)?;
self.interface.data_x_times(color_value, buffer.len() as u16)?;
for _ in 0..buffer.len() {
self.send_data(&[color_value])?;
}
//TODO: Removal of delay. TEST!
//self.delay_ms(2);
@ -254,17 +256,23 @@ where
fn clear_frame(&mut self) -> Result<(), ERR> {
self.send_resolution()?;
let size = WIDTH / 8 * HEIGHT;
//let size = WIDTH as usize / 8 * HEIGHT as usize;
let color_value = self.color.get_byte_value();
self.command(Command::DATA_START_TRANSMISSION_1)?;
self.interface.data_x_times(color_value, size)?;
//TODO: this is using a big buffer atm, is it better to just loop over sending a single byte?
self.interface.cmd_with_data(
Command::DATA_START_TRANSMISSION_1,
&[color_value; WIDTH as usize / 8 * HEIGHT as usize]
)?;
//TODO: Removal of delay. TEST!
//self.delay_ms(2);
self.command(Command::DATA_START_TRANSMISSION_2)?;
self.interface.data_x_times(color_value, size)
//TODO: this is using a big buffer atm, is it better to just loop over sending a single byte?
self.interface.cmd_with_data(
Command::DATA_START_TRANSMISSION_2,
&[color_value; WIDTH as usize / 8 * HEIGHT as usize]
)
}
/// Sets the backgroundcolor for various commands like [WaveshareInterface::clear_frame()](clear_frame())

24
src/traits/connection_interface.rs
View File

@ -73,30 +73,6 @@ where
self.data(data)
}
/// Basic function for sending the same byte of data (one u8) multiple times over spi
///
/// Enables direct interaction with the device with the help of [command()](ConnectionInterface::command())
///
/// //TODO: make public?
pub(crate) fn data_x_times(
&mut self,
val: u8,
repetitions: u16,
) -> Result<(), ERR> {
// high for data
self.dc.set_high();
// Transfer data (u8) over spi
self.with_cs(|epd| {
for _ in 0..repetitions {
epd.spi.write(&[val])?;
}
Ok(())
})
}
// spi write helper/abstraction function
fn with_cs<F>(&mut self, f: F) -> Result<(), ERR>
where