lupyuen/pinephone-nuttx
1
0
Fork 0
mirror of https://github.com/lupyuen/pinephone-nuttx.git synced 2025-01-12 20:58:34 +08:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Clean up DE Render

Browse source
This commit is contained in:
Lee Lup Yuen 2022-11-06 19:56:33 +08:00
parent c050b58ea3
commit 852dd715df
1 changed files with 9 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
render.zig
View file

@ -166,10 +166,11 @@ pub export fn test_render() void {
);
}
// TODO
// Set UI Blender Route, Fill Color and apply the settings
applySettings(NUM_CHANNELS);
}
/// TODO: Remove this
/// Render a Test Pattern on PinePhone's Display. Framebuffer passed from C.
/// Calls Allwinner A64 Display Engine, Timing Controller and MIPI Display Serial Interface.
/// See https://lupyuen.github.io/articles/de#appendix-programming-the-allwinner-a64-display-engine
@ -327,17 +328,17 @@ fn applySettings(
// P0_RTCTL (Bits 0 to 3) = 1 (Pipe 0 from Channel 1)
// (DE Page 108, 0x110 1080)
debug("Set Blender Route", .{});
const P2_RTCTL = switch (channels) { // For Pipe 2...
const P2_RTCTL: u12 = switch (channels) { // For Pipe 2...
3 => 3, // 3 UI Channels: Select Pipe 2 from UI Channel 3
1 => 0, // 1 UI Channel: Disable Pipe 2
1 => 0, // 1 UI Channel: Unused Pipe 2
else => unreachable,
} << 8;
const P1_RTCTL = switch (channels) { // For Pipe 1...
} << 8; // Bits 8 to 11
const P1_RTCTL: u8 = switch (channels) { // For Pipe 1...
3 => 2, // 3 UI Channels: Select Pipe 1 from UI Channel 2
1 => 0, // 1 UI Channel: Disable Pipe 1
1 => 0, // 1 UI Channel: Unused Pipe 1
else => unreachable,
} << 4;
const P0_RTCTL = 1 << 0; // Select Pipe 0 from UI Channel 1
} << 4; // Bits 4 to 7
const P0_RTCTL: u4 = 1 << 0; // Select Pipe 0 from UI Channel 1
const route = P2_RTCTL
| P1_RTCTL
| P0_RTCTL;