From d85f3aeeeefd6926fe71ec8e066adb74f62dc1cc Mon Sep 17 00:00:00 2001
From: fishsoupisgood <github@madingley.org>
Date: Sat, 13 Jun 2020 21:05:45 +0100
Subject: fish

---
 app/led.c | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 app/led.c

(limited to 'app/led.c')

diff --git a/app/led.c b/app/led.c
new file mode 100644
index 0000000..7d8303d
--- /dev/null
+++ b/app/led.c
@@ -0,0 +1,37 @@
+#include "project.h"
+
+
+static int led = 0;
+
+void
+led_init (void)
+{
+  gpio_set_mode (GPIOC, GPIO_MODE_OUTPUT_2_MHZ,
+                 GPIO_CNF_OUTPUT_PUSHPULL, GPIO13);
+}
+
+
+void
+led_clear (void)
+{
+  gpio_set (GPIOC, GPIO13);
+}
+
+void
+led_set (void)
+{
+  gpio_clear (GPIOC, GPIO13);
+  led = 200;
+}
+
+void
+led_tick (void)
+{
+  if (led)
+    {
+      led--;
+      if (!led)
+        led_clear ();
+    }
+
+}
-- 
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