X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstm32f103-nucleo%2Fhello.c;fp=src%2Fstm32f103-nucleo%2Fhello.c;h=938afd2d706ba3767343c7c8f744b159f26822e3;hb=beb94df2daaa9540faf4d5c772dfc68598c89598;hp=0000000000000000000000000000000000000000;hpb=b1ecef2cdc57561881d55f9dcc3b471f7b0ed27d;p=fw%2Faltos

diff --git a/src/stm32f103-nucleo/hello.c b/src/stm32f103-nucleo/hello.c
new file mode 100644
index 00000000..938afd2d
--- /dev/null
+++ b/src/stm32f103-nucleo/hello.c
@@ -0,0 +1,38 @@
+/*
+ * Copyright © 2023 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ao.h>
+
+void
+ao_delay(AO_TICK_TYPE ticks)
+{
+	uint32_t then = ao_time();
+	while ((int32_t) (ao_time() - then) < (int32_t) ticks)
+		ao_arch_nop();
+}
+
+int main(void)
+{
+	ao_clock_init();
+	ao_timer_init();
+	ao_led_init();
+	for (;;) {
+		ao_led_for(AO_LED_GREEN, 50);
+		ao_delay(50);
+	}
+}