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epd-waveshare
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Added some busy checks and seem to be avoiding missing pictures

main
Mitch Souders 2020-11-15 05:32:17 -08:00
parent 96d505647d
commit c7d32ca86e
1 changed files with 7 additions and 5 deletions
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10
src/epd5in65f/mod.rs
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@ -30,7 +30,7 @@ pub const WIDTH: u32 = 600;
pub const HEIGHT: u32 = 448; pub const HEIGHT: u32 = 448;
/// Default Background Color /// Default Background Color
pub const DEFAULT_BACKGROUND_COLOR: OctColor = OctColor::White; pub const DEFAULT_BACKGROUND_COLOR: OctColor = OctColor::White;
const IS_BUSY_LOW: bool = false; const IS_BUSY_LOW: bool = true;
/// EPD5in65f driver /// EPD5in65f driver
/// ///
@ -119,6 +119,8 @@ where
} }
fn update_frame(&mut self, spi: &mut SPI, buffer: &[u8]) -> Result<(), SPI::Error> { fn update_frame(&mut self, spi: &mut SPI, buffer: &[u8]) -> Result<(), SPI::Error> {
self.wait_busy_high();
self.send_resolution(spi)?;
self.cmd_with_data(spi, Command::DATA_START_TRANSMISSION_1, buffer)?; self.cmd_with_data(spi, Command::DATA_START_TRANSMISSION_1, buffer)?;
Ok(()) Ok(())
} }
@ -136,6 +138,7 @@ where
} }
fn display_frame(&mut self, spi: &mut SPI) -> Result<(), SPI::Error> { fn display_frame(&mut self, spi: &mut SPI) -> Result<(), SPI::Error> {
self.wait_busy_high();
self.command(spi, Command::POWER_ON)?; self.command(spi, Command::POWER_ON)?;
self.wait_busy_high(); self.wait_busy_high();
self.command(spi, Command::DISPLAY_REFRESH)?; self.command(spi, Command::DISPLAY_REFRESH)?;
@ -153,10 +156,10 @@ where
fn clear_frame(&mut self, spi: &mut SPI) -> Result<(), SPI::Error> { fn clear_frame(&mut self, spi: &mut SPI) -> Result<(), SPI::Error> {
let bg = 0x77; /*clear frame */ //OctColor::colors_byte(self.color, self.color); let bg = 0x77; /*clear frame */ //OctColor::colors_byte(self.color, self.color);
self.wait_busy_high();
self.send_resolution(spi)?;
self.command(spi, Command::DATA_START_TRANSMISSION_1)?; self.command(spi, Command::DATA_START_TRANSMISSION_1)?;
self.interface.data_x_times(spi, bg, WIDTH * HEIGHT / 2)?; self.interface.data_x_times(spi, bg, WIDTH * HEIGHT / 2)?;
self.display_frame(spi)?; self.display_frame(spi)?;
Ok(()) Ok(())
} }
@ -221,7 +224,6 @@ where
fn wait_busy_low(&mut self) { fn wait_busy_low(&mut self) {
self.interface.wait_until_idle(false) self.interface.wait_until_idle(false)
} }
fn send_resolution(&mut self, spi: &mut SPI) -> Result<(), SPI::Error> { fn send_resolution(&mut self, spi: &mut SPI) -> Result<(), SPI::Error> {
let w = self.width(); let w = self.width();
let h = self.height(); let h = self.height();