1 files changed, 56 insertions, 0 deletions
diff --git a/src/stm32f4-disco/ao_disco.c b/src/stm32f4-disco/ao_disco.c
new file mode 100644
index 00000000..ab3c0340
--- /dev/null
+++ b/src/stm32f4-disco/ao_disco.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright © 2018 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.
+ */
+
+#include <ao.h>
+#include <ao_scheme.h>
+#include <ao_usb.h>
+
+static void scheme_cmd() {
+	ao_scheme_read_eval_print(stdin, stdout, false);
+}
+
+static const struct ao_cmds scheme_cmds[] = {
+	{ scheme_cmd,	"l\0Run scheme interpreter" },
+	{ 0, 0 }
+};
+
+int
+_ao_scheme_getc(void)
+{
+	static uint8_t	at_eol;
+	int c;
+
+	if (at_eol) {
+		ao_cmd_readline(ao_scheme_read_list ? "- " : "> ");
+		at_eol = 0;
+	}
+	c = (unsigned char) ao_cmd_lex();
+	if (c == '\n')
+		at_eol = 1;
+	return c;
+}
+
+void main(void)
+{
+	ao_clock_init();
+	ao_timer_init();
+	ao_task_init();
+
+	ao_led_init();
+	ao_usart_init();
+	ao_usb_init();
+	ao_cmd_init();
+	ao_cmd_register(scheme_cmds);
+	ao_start_scheduler();
+}