[U-Boot] [PATCH v2 02/24] common/lcd: Add command for setting cursor within lcd-console
Hannes Petermaier
oe5hpm at oevsv.at
Tue Feb 3 13:22:24 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.
To define the specific position of the string to be written, we have to set
the cursor with "setcurs" before writing.
Signed-off-by: Hannes Petermaier <oe5hpm at oevsv.at>
---
Changes for V2:
- more understandable commit-message
- moved code from lcd.c into lcd_console.c
---
common/lcd_console.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/common/lcd_console.c b/common/lcd_console.c
index 74c388a..5363232 100644
--- a/common/lcd_console.c
+++ b/common/lcd_console.c
@@ -209,3 +209,24 @@ void lcd_printf(const char *fmt, ...)
lcd_puts(buf);
}
+
+static int do_lcd_setcursor(cmd_tbl_t *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ unsigned int col, row;
+
+ if (argc != 3)
+ return CMD_RET_USAGE;
+
+ col = simple_strtoul(argv[1], NULL, 10);
+ row = simple_strtoul(argv[2], NULL, 10);
+ lcd_position_cursor(col, row);
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ setcurs, 3, 1, do_lcd_setcursor,
+ "set cursor position within screen",
+ " <col> <row> in character"
+);
--
1.7.10.4
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