From c007dc7d2497835bd592ca13692e2248bd19c901 Mon Sep 17 00:00:00 2001
From: MCUdude <hansibull@gmail.com>
Date: Thu, 17 Feb 2022 11:55:05 +0100
Subject: [PATCH] Add support for writing single characters Now this is
possible: write eeprom 0x00 a b c d e f 0x80 0x90 ! H E L L O
---
src/term.c | 27 +++++++++++++++++++--------
1 file changed, 19 insertions(+), 8 deletions(-)
diff --git a/src/term.c b/src/term.c
index 295ae612..ce58c19c 100644
--- a/src/term.c
+++ b/src/term.c
@@ -399,21 +399,32 @@ static int cmd_write(PROGRAMMER * pgm, struct avrpart * p,
if(write_mode == WRITE_MODE_STANDARD) {
for (i=3; i<argc; i++) {
- buf[i-3] = strtoul(argv[i], &e, 0);
+ unsigned char write_val = strtoul(argv[i], &e, 0);
if (*e || (e == argv[i])) {
- avrdude_message(MSG_INFO, "%s (write): can't parse byte \"%s\"\n",
- progname, argv[i]);
- free(buf);
- return -1;
+ // If passed argument is a single character
+ if(argv[i][1] == '\0') {
+ write_val = argv[i][0];
+ } else {
+ avrdude_message(MSG_INFO, "%s (write): can't parse byte \"%s\"\n",
+ progname, argv[i]);
+ free(buf);
+ return -1;
+ }
}
+ buf[i-3] = write_val;
}
} else if(write_mode == WRITE_MODE_FILL) {
unsigned char fill_val = strtoul(argv[4], &e, 0);
if (*e || (e == argv[4])) {
- avrdude_message(MSG_INFO, "%s (write ...): can't parse byte \"%s\"\n",
+ // If passed argument is a single character
+ if(argv[4][1] == '\0') {
+ fill_val = argv[4][0];
+ } else {
+ avrdude_message(MSG_INFO, "%s (write ...): can't parse byte \"%s\"\n",
progname, argv[4]);
- free(buf);
- return -1;
+ free(buf);
+ return -1;
+ }
}
for (i = 0; i < len; i++) {
buf[i] = fill_val;