Add waveshare eink display library

.gitmodules

@@ -1,3 +1,6 @@
+[submodule "eink/eink"]
+	path = eink/eink
+	url = git@git.blackmark.me:avr/eink.git
 [submodule "eink/uart"]
 	path = eink/uart
 	url = git@git.blackmark.me:avr/uart.git
@@ -10,3 +13,6 @@
 [submodule "eink/flash"]
 	path = eink/flash
 	url = git@git.blackmark.me:avr/flash.git
+[submodule "eink/spi"]
+	path = eink/spi
+	url = git@git.blackmark.me:avr/spi.git

eink/clock.hpp

@@ -1,4 +1,4 @@
 #pragma once
 
-#define F_CPU 8'000'000
+#define F_CPU 16'000'000
 #include <util/delay.h>

eink/eink

@@ -0,0 +1 @@
+Subproject commit 08dd1073af43b65b358257b968852aae8fc77946

eink/eink.cppproj

@@ -83,6 +83,17 @@
     </custom>
     <AAFDebugger>
       <AAFDebugFiles>
+        <DebugFile>
+          <path>\Debug\eink.lss</path>
+          <AAFSetting>
+            <Label>Lss Files</Label>
+            <Extention>.lss</Extention>
+            <Regex>^\s*(?&lt;address&gt;[a-f0-9]*):\s*.*$</Regex>
+            <DebugEnabled>true</DebugEnabled>
+            <RegexGroups>address</RegexGroups>
+            <DebuggerExpression>$pc</DebuggerExpression>
+          </AAFSetting>
+        </DebugFile>
       </AAFDebugFiles>
     </AAFDebugger>
   </PropertyGroup>
@@ -200,13 +211,22 @@
     </ListValues>
   </avrgcccpp.assembler.general.IncludePaths>
   <avrgcccpp.assembler.debugging.DebugLevel>Default (-Wa,-g)</avrgcccpp.assembler.debugging.DebugLevel>
-      </AvrGccCpp>
+</AvrGccCpp>
     </ToolchainSettings>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="clock.hpp">
       <SubType>compile</SubType>
     </Compile>
+    <Compile Include="eink\epd1in54b_V2.h">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="eink\imagedata.cpp">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="eink\imagedata.h">
+      <SubType>compile</SubType>
+    </Compile>
     <Compile Include="flash\flash.hpp">
       <SubType>compile</SubType>
     </Compile>
@@ -216,6 +236,15 @@
     <Compile Include="main.cpp">
       <SubType>compile</SubType>
     </Compile>
+    <Compile Include="spi\config.hpp">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="spi\hardware.hpp">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="spi\spi.hpp">
+      <SubType>compile</SubType>
+    </Compile>
     <Compile Include="uart\config.hpp">
       <SubType>compile</SubType>
     </Compile>
@@ -253,6 +282,8 @@
   <ItemGroup>
     <Folder Include="flash" />
     <Folder Include="io" />
+    <Folder Include="eink" />
+    <Folder Include="spi" />
     <Folder Include="util" />
     <Folder Include="uart" />
   </ItemGroup>

eink/main.cpp

@@ -2,20 +2,48 @@
 
 #include "flash/flash.hpp"
 #include "io/io.hpp"
+#include "spi/spi.hpp"
 #include "uart/uart.hpp"
 
+#include "eink/epd1in54b_V2.h"
+#include "eink/imagedata.h"
+
 using uart_t = uart::Uart0<>;
 REGISTER_UART0_INT_VECTORS(uart_t);
 
 //////////////////////////////////////////////////////////////////////////
 int main()
 {
+	using spi_t = spi::Hardware<spi::Config<>>;
+
 	uart_t serial;
 	serial.init();
+
 	sei();
 
+	serial << F("e-Paper demo") << F("\r\n");
+
+	Epd<spi_t> epd;
+	if (epd.Init() != 0) {
+		serial << F("e-Paper init failed") << F("\r\n");
+		serial.flushTx();
+		_delay_ms(1000);
+		return 0;
+	}
+
+	serial << F("e-Paper init") << F("\r\n");
+
+	serial << F("e-Paper clear") << F("\r\n");
+	epd.DisplayClear();
+
+	serial << F("e-Paper draw") << F("\r\n");
+	epd.DisplayFrame(IMAGE_BLACK, IMAGE_RED);
+	
+	serial << F("e-Paper sleep") << F("\r\n");
+	epd.Sleep();
+
 	while (true) {
-		serial << F("Hello World!") << F("\r\n");
+		serial << F("e-Paper running") << F("\r\n");
 		_delay_ms(1000);
 	}
 

eink/spi

@@ -0,0 +1 @@
+Subproject commit 70aabc07f64a33b04e3e9ee00627f5c120b1f9ef