Merge pull request #7 from diamant3/add-sample-controller

add basic controller sample

README.md

@@ -274,6 +274,155 @@ More libgu examples can be found <a href="https://github.com/pspdev/pspsdk/tree/
 
 </details></p>
 
+### Controller
+
+![](images/controls.png?raw=true)
+
+This is a simple program to use the PSP controller. Click on details below to see the code and how to build it.
+
+<p><details>
+
+<b>main.c</b>:
+
+<pre>
+#include &lt;pspkernel.h&gt;
+#include &lt;pspdebug.h&gt;
+#include &lt;pspctrl.h&gt;
+#include &lt;stdlib.h&gt;
+#include &lt;string.h&gt;
+
+PSP_MODULE_INFO("Controller", 0, 1, 1);
+
+PSP_MAIN_THREAD_ATTR(THREAD_ATTR_USER | THREAD_ATTR_VFPU);
+
+#define printf pspDebugScreenPrintf
+
+int done = 0;
+
+int exit_callback(int arg1, int arg2, void *common)
+{
+    done = 1;
+    return 0;
+}
+
+int callback_thread(SceSize args, void *argp)
+{
+    int cbid = sceKernelCreateCallback("Exit Callback",
+        exit_callback, NULL);
+    sceKernelRegisterExitCallback(cbid);
+    sceKernelSleepThreadCB();
+    return 0;
+}
+
+int setup_callbacks(void)
+{
+    int thid = sceKernelCreateThread("update_thread",
+        callback_thread, 0x11, 0xFA0, 0, 0);
+
+    if(thid &gt;= 0)
+        sceKernelStartThread(thid, 0, 0);
+    return thid;
+}
+
+int main(void)
+{
+	SceCtrlData pad;
+
+	pspDebugScreenInit();
+	setup_callbacks();
+
+	sceCtrlSetSamplingCycle(0);
+	sceCtrlSetSamplingMode(PSP_CTRL_MODE_ANALOG);
+
+	while (!done)
+	{
+		pspDebugScreenSetXY(0, 2);
+		sceCtrlReadBufferPositive(&pad, 1);
+
+		printf("Analog X = %d, ", pad.Lx);
+		printf("Analog Y = %d \n", pad.Ly);
+
+		if (pad.Buttons != 0)
+		{
+			if (pad.Buttons & PSP_CTRL_SQUARE)
+			{
+				printf("Square pressed! \n");
+			}
+			if (pad.Buttons & PSP_CTRL_TRIANGLE)
+			{
+				printf("Triangle pressed! \n");
+			}
+			if (pad.Buttons & PSP_CTRL_CIRCLE)
+			{
+				printf("Circle pressed! \n");
+			}
+			if (pad.Buttons & PSP_CTRL_CROSS)
+			{
+				printf("Cross pressed! \n");
+			}
+
+			if (pad.Buttons & PSP_CTRL_UP)
+			{
+				printf("Square pressed! \n");
+			}
+			if (pad.Buttons & PSP_CTRL_DOWN)
+			{
+				printf("Triangle pressed! \n");
+			}
+			if (pad.Buttons & PSP_CTRL_LEFT)
+			{
+				printf("Square pressed! \n");
+			}
+			if (pad.Buttons & PSP_CTRL_RIGHT)
+			{
+				printf("Triangle pressed! \n");
+			}
+		}
+	}
+
+	sceKernelExitGame();
+	return 0;
+}
+</pre>
+
+<b>CMakeLists.txt</b>:
+
+<pre>
+cmake_minimum_required(VERSION 3.0)
+
+project(controls)
+
+add_executable(${PROJECT_NAME} main.c)
+
+target_link_libraries(${PROJECT_NAME} PRIVATE
+    pspdebug
+    pspdisplay
+    pspge
+    pspctrl
+)
+
+# Create an EBOOT.PBP file
+create_pbp_file(
+    TARGET ${PROJECT_NAME}
+    ICON_PATH NULL
+    BACKGROUND_PATH NULL
+    PREVIEW_PATH NULL
+    TITLE ${PROJECT_NAME}
+)
+</pre>
+
+Building can be done with:
+
+<pre>
+mkdir build && cd build
+psp-cmake ..
+make
+</pre>
+
+<p>This will result in an EBOOT.PBP file in the build directory. Put it in a directory in ms0:/PSP/GAME/ and the PSP can run it.</p>
+
+</details></p>
+
 ### Using SDL2
 
 ![](images/sdl2.png?raw=true)