4 files changed, 72 insertions, 0 deletions
diff --git a/frontends/calculator/CEdev/examples/hello_world/makefile b/frontends/calculator/CEdev/examples/hello_world/makefile
new file mode 100644
index 0000000..1f1b36b
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/hello_world/makefile
@@ -0,0 +1,15 @@
+# ----------------------------
+# Set NAME to the program name
+# Set ICON to the png icon file name
+# Set DESCRIPTION to display within a compatible shell
+# Set COMPRESSED to "YES" to create a compressed program
+# ----------------------------
+
+NAME        ?= DEMO
+COMPRESSED  ?= NO
+ICON        ?= iconc.png
+DESCRIPTION ?= "C SDK Demo"
+
+# ----------------------------
+
+include $(CEDEV)/include/.makefile
diff --git a/frontends/calculator/CEdev/examples/hello_world/readme.md b/frontends/calculator/CEdev/examples/hello_world/readme.md
new file mode 100644
index 0000000..880be97
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/hello_world/readme.md
@@ -0,0 +1,9 @@
+### Hello World Demo
+
+This is a simple demo to demonstrate displaying text using the TI-OS rotuines.
+
+![Screenshot](screenshot.png)
+
+---
+
+This demo is a part of the C SDK Toolchain for use on the CE.
diff --git a/frontends/calculator/CEdev/examples/hello_world/screenshot.png b/frontends/calculator/CEdev/examples/hello_world/screenshot.png
new file mode 100644
index 0000000..bc51f39
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/hello_world/screenshot.png
diff --git a/frontends/calculator/CEdev/examples/hello_world/src/main.c b/frontends/calculator/CEdev/examples/hello_world/src/main.c
new file mode 100644
index 0000000..333dcdc
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/hello_world/src/main.c
@@ -0,0 +1,48 @@
+/* Keep these headers */
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <tice.h>
+
+/* Standard headers */
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* Put function prototypes here */
+void printText(const char *text, uint8_t x, uint8_t y);
+void printTextSmall(const char *text, uint8_t xpos, uint8_t ypos);
+
+/* Put all your code here */
+void main(void) {
+    /* uint8_t is an unsigned integer that can range from 0-255. */
+    /* It performs faster than just an int, so try to use it (or int8_t) when possible */
+    uint8_t count;
+
+    /* Initialize some strings */
+    const char *HelloWorld = "Hello World!";
+    const char *Welcome = "Welcome to C!";
+
+    /* Clear the homescreen */
+    os_ClrHome();
+
+    /* Print a few strings */
+    printText(HelloWorld, 0, 0);
+    printText(Welcome, 0, 1);
+
+    /* Wait for a key press */
+    while (!os_GetCSC());
+}
+
+/* Draw text on the homescreen at the given X/Y location */
+void printText(const char *text, uint8_t xpos, uint8_t ypos) {
+    os_SetCursorPos(ypos, xpos);
+    os_PutStrFull(text);
+}
+
+/* Draw small text at the given X/Y location */
+void printTextSmall(const char *text, uint8_t xpos, uint8_t ypos) {
+    os_FontSelect(0); // sets small font (1 == big, see docs)
+    os_FontDrawText(text, xpos, ypos);
+}