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-rw-r--r--main.c15
-rw-r--r--self-test/fmc-perf.c16
2 files changed, 30 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;
}
diff --git a/self-test/fmc-perf.c b/self-test/fmc-perf.c
index cf6fe19..0c753a7 100644
--- a/self-test/fmc-perf.c
+++ b/self-test/fmc-perf.c
@@ -3,6 +3,7 @@
*/
#include "stm32f4xx_hal.h"
#include "stm-init.h"
+#include "stm-led.h"
#include "stm-fmc.h"
#include "stm-uart.h"
@@ -98,7 +99,21 @@ static void test_write(void)
int main(void)
{
stm_init();
+
+ uart_send_string("Keep calm for Novena boot...\r\n");
+
+ // 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);
+ }
+ led_off(LED_BLUE);
+
+ // initialize rng
MX_RNG_Init();
+
+ // prepare fmc interface
fmc_init();
sanity();
@@ -106,5 +121,6 @@ int main(void)
time_check("read ", test_read());
time_check("write ", test_write());
+ uart_send_string("Done.\r\n\r\n");
return 0;
}