add opengl fronend, remove sdl frontend, refactor build system

1 files changed, 29 insertions, 0 deletions

diff --git a/frontends/calculator/CEdev/examples/lcd_fade/src/main.c b/frontends/calculator/CEdev/examples/lcd_fade/src/main.c
new file mode 100644
index 0000000..b529d01
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/lcd_fade/src/main.c
@@ -0,0 +1,29 @@
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <tice.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+void main(void) {
+    uint8_t i, level;
+
+    /* Store the current brightness level */
+    level = lcd_BacklightLevel;
+
+    /* Change lcd brightness levels */
+    for (i = level; i > 0; i--) {
+        boot_WaitShort();
+        lcd_BacklightLevel = i;
+    }
+
+    for (i = 0; i < 255; i++) {
+        boot_WaitShort();
+        lcd_BacklightLevel = i;
+    }
+
+    /* Restore the old brightness level */
+    lcd_BacklightLevel = level;
+}