Initial Commit - Copy from Altus Metrum AltOS

ao-tools/ao-sky-flash/sky_srec.c

@@ -0,0 +1,61 @@
+/*
+ * Copyright © 2012 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 "sky_flash.h"
+#include <stdio.h>
+#include <string.h>
+
+static const char loader_start[] = "$LOADER DOWNLOAD";
+
+int
+skytraq_send_srec(int fd, const char *filename)
+{
+	FILE	*file;
+	int	ret;
+	char	line[1024];
+
+	file = fopen(filename, "r");
+	if (!file) {
+		perror(filename);
+		return -1;
+	}
+
+	ret = skytraq_cmd_wait(fd, loader_start, strlen(loader_start) + 1, "OK", 1000);
+	if (ret)
+		return ret;
+
+	for (;;) {
+		char	*s;
+		int	len;
+
+		s = fgets(line, sizeof(line), file);
+		if (!s)
+			break;
+		len = strlen(s);
+		if (len < 3)		/* Terminated with \r\n */
+			break;
+		s[len-2] = '\n';	/* Smash \r */
+		s[len-1] = '\0';	/* Smash \n */
+		skytraq_cmd_nowait(fd, s, len);
+	}
+	fclose(file);
+
+	ret = skytraq_waitstatus(fd, "END", 10000);
+	skytraq_dbg_newline();
+	return ret;
+}