summaryrefslogtreecommitdiff
path: root/cmd/display.c
diff options
context:
space:
mode:
authorSimon Glass <sjg@chromium.org>2016-01-17 20:53:52 -0700
committerTom Rini <trini@konsulko.com>2016-01-25 10:39:43 -0500
commit2e192b245ed36a63bab0ef576999a95e23f60ecd (patch)
treeae6197f4a661aea2a19122d9862315695e3f1541 /cmd/display.c
parent72a8cf8dccf6f8b86d1683205e032a94eaa86938 (diff)
Remove the cmd_ prefix from command files
Now that they are in their own directory, we can remove this prefix. This makes it easier to find a file since the prefix does not get in the way. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Heiko Schocher <hs@denx.de> Acked-by: Stefan Roese <sr@denx.de> Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
Diffstat (limited to 'cmd/display.c')
-rw-r--r--cmd/display.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/cmd/display.c b/cmd/display.c
new file mode 100644
index 0000000000..bc1b1ebb8f
--- /dev/null
+++ b/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"
+);