1 files changed, 33 insertions, 0 deletions
diff --git a/self-test/led-test.c b/self-test/led-test.c
new file mode 100644
index 0000000..5e4401f
--- /dev/null
+++ b/self-test/led-test.c
@@ -0,0 +1,33 @@
+/*
+ * Blink the four LEDs on the rev01 board in a pattern.
+ */
+#include "stm32f4xx_hal.h"
+#include "stm-init.h"
+#include "stm-led.h"
+
+#define DELAY() HAL_Delay(125)
+
+void toggle_led(uint32_t times, uint32_t led_pin)
+{
+  uint32_t i;
+
+  for (i = 0; i < times; i++) {
+    HAL_GPIO_TogglePin(LED_PORT, led_pin);
+    DELAY();
+  }
+}
+
+int
+main()
+{
+  stm_init();
+
+  while (1)
+  {
+    toggle_led(2, LED_BLUE);
+    toggle_led(2, LED_GREEN);
+    toggle_led(2, LED_YELLOW);
+    toggle_led(2, LED_RED);
+  }
+
+}