From: qianfan Zhao qianfanguijin@163.com
Add support \, \r, \n, \t and \b.
eg: => lcdputs "hello\nworld"
Signed-off-by: qianfan Zhao qianfanguijin@163.com --- drivers/video/vidconsole-uclass.c | 34 +++++++++++++++++++++++++++++-- 1 file changed, 32 insertions(+), 2 deletions(-)
diff --git a/drivers/video/vidconsole-uclass.c b/drivers/video/vidconsole-uclass.c index f42db40d4c..d2554fd3f7 100644 --- a/drivers/video/vidconsole-uclass.c +++ b/drivers/video/vidconsole-uclass.c @@ -709,15 +709,45 @@ static int do_video_puts(struct cmd_tbl *cmdtp, int flag, int argc, { struct udevice *dev; const char *s; + char c;
if (argc != 2) return CMD_RET_USAGE;
if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev)) return CMD_RET_FAILURE; - for (s = argv[1]; *s; s++) - vidconsole_put_char(dev, *s);
+ for (s = argv[1]; (c = *s); s++) { + if (c == '\') { + s++; + + switch (*s) { + case '\0': + goto sync; + case '\': + c = '\'; + break; + case 'r': + c = '\r'; + break; + case 'n': + c = '\n'; + break; + case 't': + c = '\t'; + break; + case 'b': + c = '\b'; + break; + default: + continue; + } + } + + vidconsole_put_char(dev, c); + } + +sync: return video_sync(dev->parent, false); }