From df8f45c0d06e64b3901f1cce4e74cbde038737f2 Mon Sep 17 00:00:00 2001 From: Paul Selkirk Date: Tue, 10 Nov 2015 17:35:48 -0500 Subject: We really do need that delay before initializing FMC while Novena is booting. --- self-test/fmc-perf.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'self-test/fmc-perf.c') 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; } -- cgit v1.2.3