From a340c9083ace748d132946cfff9a9b9fa2876908 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adrian=20Wo=C5=BAniak?= <adrian.wozniak@ita-prog.pl>
Date: Thu, 3 Oct 2024 16:25:41 +0200
Subject: [PATCH] WOrking on partial refresh

---
 epd-waveshare/src/epd3in7/mod.rs | 27 +++++----------------------
 src/apps/maze_game.rs            |  4 ++--
 2 files changed, 7 insertions(+), 24 deletions(-)

diff --git a/epd-waveshare/src/epd3in7/mod.rs b/epd-waveshare/src/epd3in7/mod.rs
index e8ed9a7..507f5b1 100644
--- a/epd-waveshare/src/epd3in7/mod.rs
+++ b/epd-waveshare/src/epd3in7/mod.rs
@@ -260,29 +260,12 @@ where
         width: u32,
         height: u32,
     ) -> Result<(), SPI::Error> {
-        let i = &mut self.interface;
-        i.cmd(spi, Command::SetRamXAddressStartEndPosition);
-        i.data(spi, &[(x >> 8) as u8])?;
-        let tmp = x & 0xf8;
-        i.data(spi, &[tmp as u8])?; // x should be the multiple of 8, the last 3 bit will always be ignored
-        let tmp = tmp + width - 1;
-        i.data(spi, &[(tmp >> 8) as u8])?;
-        i.data(spi, &[(tmp | 0x07) as u8])?;
-
-        i.cmd(spi, Command::SetRamYAddressStartEndPosition);
-        i.data(spi, &[(y >> 8) as u8])?;
-        i.data(spi, &[y as u8])?;
-        i.data(spi, &[((y + height - 1) >> 8) as u8])?;
-        i.data(spi, &[(y + height - 1) as u8])?;
-
-        i.cmd_with_data(spi, Command::WriteRam, buffer);
-
-        //load lut 2
-        i.cmd_with_data(spi, Command::WriteLutRegister, &LUT_1GRAY_DU);
-
-        i.cmd(spi, Command::DisplayUpdateSequence);
-        i.wait_until_idle(delay, IS_BUSY_LOW);
+        self.wait_until_idle(spi, delay)?;
+        self.set_ram_area(spi, delay, x, y, x + width, y + height)?;
+        self.set_ram_counter(spi, delay, x, y)?;
 
+        self.interface
+            .cmd_with_data(spi, Command::WriteRam, buffer)?;
         Ok(())
     }
 
diff --git a/src/apps/maze_game.rs b/src/apps/maze_game.rs
index 11a1c49..12718d9 100644
--- a/src/apps/maze_game.rs
+++ b/src/apps/maze_game.rs
@@ -27,7 +27,7 @@ impl MazeGame {
 impl MazeGame {
     const X_OFFSET: i32 = 4;
     const Y_OFFSET: i32 = 4;
-    const CELL_SIZE: i32 = 6;
+    const CELL_SIZE: i32 = 10;
 
     fn player_pos(&self) -> (u16, u16) {
         (self.player.x as u16, self.player.y as u16)
@@ -72,7 +72,7 @@ impl MazeGame {
                 (self.player.x * Self::CELL_SIZE) + Self::X_OFFSET + 1,
                 (self.player.y * Self::CELL_SIZE) + Self::Y_OFFSET + 1,
             ),
-            Size::new(4, 4),
+            Size::new((Self::CELL_SIZE - 2) as u32, (Self::CELL_SIZE - 2) as u32),
         )
         .draw_styled(&player_style, &mut ctx.epaper.display)
         .unwrap();