[U-Boot] [PATCH v2] common/lcd: Add command for writing to lcd-display
Hannes Petermaier
oe5hpm at oevsv.at
Tue Feb 3 13:19:19 CET 2015
Sometimes we do not want redirect u-boot's console to screen but anyway we want
write out some status information out of a u-boot script to the display.
So we cannot use the normal "echo ....", instead we write explicitly using
"lcdputs ..." for writing to the actual cursor position on LCD.
Signed-off-by: Hannes Petermaier <oe5hpm at oevsv.at>
---
Changes for v2:
- better understandable commit-message
- rename "puts" into "lcdputs"
- move code from lcd.c to lcd_console.c
---
common/lcd_console.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/common/lcd_console.c b/common/lcd_console.c
index 5363232..8bf83b9 100644
--- a/common/lcd_console.c
+++ b/common/lcd_console.c
@@ -225,8 +225,26 @@ static int do_lcd_setcursor(cmd_tbl_t *cmdtp, int flag, int argc,
return 0;
}
+static int do_lcd_puts(cmd_tbl_t *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ if (argc != 2)
+ return CMD_RET_USAGE;
+
+ lcd_puts(argv[1]);
+
+ return 0;
+}
+
U_BOOT_CMD(
setcurs, 3, 1, do_lcd_setcursor,
"set cursor position within screen",
" <col> <row> in character"
);
+
+U_BOOT_CMD(
+ lcdputs, 2, 1, do_lcd_puts,
+ "print string on lcd-framebuffer",
+ " <string>"
+);
+
--
1.7.10.4
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