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-rw-r--r--examples/efm32/tinygecko/efm32-tg-stk3300/lightswitch/lightswitch-busywait.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/examples/efm32/tinygecko/efm32-tg-stk3300/lightswitch/lightswitch-busywait.c b/examples/efm32/tinygecko/efm32-tg-stk3300/lightswitch/lightswitch-busywait.c
new file mode 100644
index 0000000..662d9df
--- /dev/null
+++ b/examples/efm32/tinygecko/efm32-tg-stk3300/lightswitch/lightswitch-busywait.c
@@ -0,0 +1,40 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2012 chrysn <chrysn@fsfe.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/efm32/tinygecko/irq.h>
+#include <libopencm3/efm32/tinygecko/emu.h>
+
+#define ISER0 MMIO32(0xE000E100)
+#define ICER0 MMIO32(0xE000E180)
+#define ISPR0 MMIO32(0XE000E200)
+#define ICPR0 MMIO32(0XE000E280)
+
+/** @file Simplest implementation of the lightswitch mechanism. */
+
+int main(void)
+{
+ gpio_setup();
+
+ while(1) {
+ if (pb0_get())
+ led_on();
+ if (pb1_get())
+ led_off();
+ };
+}