summaryrefslogtreecommitdiffstats
path: root/qemu/roms/u-boot/common/cmd_display.c
diff options
context:
space:
mode:
authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/common/cmd_display.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/common/cmd_display.c')
-rw-r--r--qemu/roms/u-boot/common/cmd_display.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/common/cmd_display.c b/qemu/roms/u-boot/common/cmd_display.c
new file mode 100644
index 000000000..bc1b1ebb8
--- /dev/null
+++ b/qemu/roms/u-boot/common/cmd_display.c
@@ -0,0 +1,54 @@
+/*
+ * (C) Copyright 2005
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <led-display.h>
+
+#undef DEBUG_DISP
+
+int do_display (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int i;
+
+ /* Clear display */
+ display_set(DISPLAY_CLEAR | DISPLAY_HOME);
+
+ if (argc < 2)
+ return (0);
+
+ for (i = 1; i < argc; i++) {
+ char *p = argv[i];
+
+ if (i > 1) { /* Insert a space between strings */
+ display_putc(' ');
+ }
+
+ while ((*p)) {
+#ifdef DEBUG_DISP
+ putc(*p);
+#endif
+ display_putc(*p++);
+ }
+ }
+
+#ifdef DEBUG_DISP
+ putc('\n');
+#endif
+
+ return (0);
+}
+
+/***************************************************/
+
+U_BOOT_CMD(
+ display, CONFIG_SYS_MAXARGS, 1, do_display,
+ "display string on dot matrix display",
+ "[<string>]\n"
+ " - with <string> argument: display <string> on dot matrix display\n"
+ " - without arguments: clear dot matrix display"
+);