Split out old command set
This commit is contained in:
Corey Vixie
parent
2f36562a6a
commit
1dfd82157b
169
src/sequence_linux_kernel.rs
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169
src/sequence_linux_kernel.rs
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use std::{thread, time};
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use crate::instructions::{
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BK0Command2, BK1Command2, BitsPerPixel, ColorOrder, Command, Command2Selection,
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CommandsGeneral, DataEnable, DataPolarity, EnablePolarity, GammaOPBias, HsyncActive, Inversion,
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ScanDirection, SourceOPInput, SourceOPOutput, TearingEffect, VoltageAVCL, VoltageAVDD,
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VsyncActive,
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};
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use crate::panel::Mode;
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use crate::spi::ST7701S;
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pub fn init(display: &mut ST7701S, mode: Mode) {
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let mut CMD2: Command2Selection = Command2Selection::Disabled;
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// SOFTWARE RESET
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// 5ms delay
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display.write_command(CommandsGeneral::software_reset());
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thread::sleep(time::Duration::from_millis(10));
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// EXIT SLEEP MODE
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// Variable delay (200ms is "safe")
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display.write_command(CommandsGeneral::sleep_mode_off());
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thread::sleep(time::Duration::from_millis(300));
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// ENTER BK0 COMMAND2 MODE
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display.write_command(CommandsGeneral::set_command_2(Command2Selection::BK0));
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CMD2 = Command2Selection::BK0;
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display.write_command(BK0Command2::positive_gamma_control(
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&CMD2,
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&[
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0x00, 0x0E, 0x15, 0x0F, 0x11, 0x08, 0x08, 0x08, 0x08, 0x23, 0x04, 0x13, 0x12, 0x2B,
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0x34, 0x1F,
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],
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));
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display.write_command(BK0Command2::negative_gamma_control(
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&CMD2,
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&[
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0x00, 0x0E, 0x95, 0x0F, 0x13, 0x07, 0x09, 0x08, 0x08, 0x22, 0x04, 0x10, 0x0E, 0x2C,
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0x34, 0x1F,
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],
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));
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display.write_command(BK0Command2::display_line_setting(&CMD2, 0x80, 0x69, 0x02));
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display.write_command(BK0Command2::porch_control(&CMD2, &mode));
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display.write_command(BK0Command2::inversion_select(
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&CMD2,
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Inversion::Column,
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0xFF,
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));
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display.write_command(BK0Command2::rgb_control(
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&CMD2,
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DataEnable::DE,
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VsyncActive::Low,
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HsyncActive::Low,
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DataPolarity::Rising,
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EnablePolarity::Low,
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&mode,
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));
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// ENTER BK1 COMMAND2 MODE
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display.write_command(CommandsGeneral::set_command_2(Command2Selection::BK1));
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CMD2 = Command2Selection::BK1;
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display.write_command(BK1Command2::set_vop_amplitude(&CMD2, 0x45));
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display.write_command(BK1Command2::set_vcom_amplitude(&CMD2, 0x13));
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display.write_command(BK1Command2::set_vgh_voltage(&CMD2, 0x07));
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display.write_command(BK1Command2::test_command_setting(&CMD2));
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display.write_command(BK1Command2::set_vgl_voltage(&CMD2, 0x07));
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display.write_command(BK1Command2::power_control_one(
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&CMD2,
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GammaOPBias::Middle,
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SourceOPInput::Min,
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SourceOPOutput::Off,
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));
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display.write_command(BK1Command2::power_control_two(
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&CMD2,
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VoltageAVDD::Pos6_6,
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VoltageAVCL::Neg4_4,
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));
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display.write_command(BK1Command2::set_pre_drive_timing_one(&CMD2, 0x03));
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display.write_command(BK1Command2::set_pre_drive_timing_two(&CMD2, 0x03));
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// UNKNOWABLE CARGO-CULTED MYSTERY MEAT
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//
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// I copied this command sequence from the Linux MIPI driver for the ST7701,
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// written in C. The author of that driver _also_ had no idea what this
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// command sequence does or means, and claims to have himself copied it from
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// a sample provided by a Sitronix engineer. Since this is a Linux SPI
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// driver for the ST7701S written in Rust, there's ample opportunity for
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// something to not line up.
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//
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// May whatever gods you pray to have mercy on our souls.
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display.write_command(Ok(Command {
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address: 0xE0,
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parameters: vec![0x00, 0x00, 0x02],
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}));
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display.write_command(Ok(Command {
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address: 0xE1,
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parameters: vec![
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0x0B, 0x00, 0x0D, 0x00, 0x0C, 0x00, 0x0E, 0x00, 0x00, 0x44, 0x44,
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],
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}));
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display.write_command(Ok(Command {
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address: 0xE2,
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parameters: vec![
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0x33, 0x33, 0x44, 0x44, 0x64, 0x00, 0x66, 0x00, 0x65, 0x00, 0x67, 0x00, 0x00,
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],
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}));
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display.write_command(Ok(Command {
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address: 0xE3,
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parameters: vec![0x00, 0x00, 0x33, 0x33],
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}));
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display.write_command(Ok(Command {
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address: 0xE4,
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parameters: vec![0x44, 0x44],
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}));
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display.write_command(Ok(Command {
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address: 0xE5,
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parameters: vec![
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0x0C, 0x78, 0x3C, 0xA0, 0x0E, 0x78, 0x3C, 0xA0, 0x10, 0x78, 0x3C, 0xA0, 0x12, 0x78,
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0x3C, 0xA0,
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],
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}));
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display.write_command(Ok(Command {
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address: 0xE6,
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parameters: vec![0x00, 0x00, 0x33, 0x33],
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}));
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display.write_command(Ok(Command {
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address: 0xE7,
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parameters: vec![0x44, 0x44],
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}));
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display.write_command(Ok(Command {
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address: 0xE8,
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parameters: vec![
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0x0D, 0x78, 0x3C, 0xA0, 0x0F, 0x78, 0x3C, 0xA0, 0x11, 0x78, 0x3C, 0xA0, 0x13, 0x78,
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0x3C, 0xA0,
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],
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}));
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display.write_command(Ok(Command {
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address: 0xEB,
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parameters: vec![0x02, 0x02, 0x39, 0x39, 0xEE, 0x44, 0x00],
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}));
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display.write_command(Ok(Command {
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address: 0xEC,
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parameters: vec![0x00, 0x00],
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}));
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display.write_command(Ok(Command {
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address: 0xED,
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parameters: vec![
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0xFF, 0xF1, 0x04, 0x56, 0x72, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xF3, 0x27, 0x65, 0x40,
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0x1F, 0xFF,
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],
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}));
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// BK1 COMMAND2 DISABLE
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display.write_command(CommandsGeneral::set_command_2(Command2Selection::Disabled));
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CMD2 = Command2Selection::Disabled;
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display.write_command(CommandsGeneral::set_color_mode(BitsPerPixel::Rgb666));
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display.write_command(CommandsGeneral::display_data_control(
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ScanDirection::Normal,
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ColorOrder::Rgb,
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));
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display.write_command(CommandsGeneral::tearing_effect_on(TearingEffect::VHBlank));
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display.write_command(CommandsGeneral::display_on());
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thread::sleep(time::Duration::from_millis(200));
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}
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