We really do need that delay before initializing FMC while Novena is booting.

1 files changed, 14 insertions, 1 deletions

diff --git a/main.c b/main.c
index 2572927..6d19a7e 100644
--- a/main.c
+++ b/main.c
@@ -3,15 +3,28 @@
  */
 
 #include "stm-init.h"
+#include "stm-led.h"
 #include "stm-fmc.h"
 #include "stm-uart.h"
 
 extern void __main(void);
 
-void main(void)
+int main(void)
 {
     stm_init();
+
+    // Blink blue LED for six seconds to not upset the Novena at boot.
+    led_on(LED_BLUE);
+    for (int i = 0; i < 12; i++) {
+	HAL_Delay(500);
+	led_toggle(LED_BLUE);
+    }
     fmc_init();
+    led_off(LED_BLUE);
+    led_on(LED_GREEN);
+
     __main();
+
     uart_send_string("Done.\r\n\r\n");
+    return 0;
 }