From 60699af63f92f43cc4b4b9e3050fcdd2a8468281 Mon Sep 17 00:00:00 2001
From: Andrew Opalach <andrew@akon.city>
Date: Wed, 10 Apr 2019 15:14:00 -0400
Subject: add opengl fronend, remove sdl frontend, refactor build system

---
 .../CEdev/examples/real_time_clock/src/main.c      | 39 ++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 frontends/calculator/CEdev/examples/real_time_clock/src/main.c

(limited to 'frontends/calculator/CEdev/examples/real_time_clock/src')

diff --git a/frontends/calculator/CEdev/examples/real_time_clock/src/main.c b/frontends/calculator/CEdev/examples/real_time_clock/src/main.c
new file mode 100644
index 0000000..1aa24cb
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/real_time_clock/src/main.c
@@ -0,0 +1,39 @@
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <tice.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+unsigned int seconds = 0;
+
+void main(void) {
+
+    /* Clear the homescreen */
+    os_ClrHome();
+
+    /* Randomize things */
+    srand(rtc_Time());
+
+    /* Configure the RTC */
+    rtc_LoadSeconds = rtc_LoadMinutes = rtc_LoadHours = rtc_LoadDays = 0;
+    rtc_Control = RTC_ENABLE | RTC_LOAD | RTC_SEC_INT_SOURCE;
+
+    /* Wait for the RTC to load in the new values and then acknowledge all the interrupts */
+    while (rtc_IsBusy());
+    rtc_IntAcknowledge = RTC_INT_MASK;
+
+    /* Wait until 5 seconds have passed */
+    while (seconds < 5) {
+
+        /* If a second passed, increment the second counter */
+        if (rtc_IntStatus & RTC_SEC_INT) {
+            memset(lcd_Ram, randInt(0,255), LCD_SIZE);
+            seconds++;
+
+            rtc_IntAcknowledge = rtc_IntStatus;
+        }
+    }
+}
-- 
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