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authorWolfgang Denk <wd@pollux.denx.de>2005-08-30 13:04:12 +0200
committerWolfgang Denk <wd@pollux.denx.de>2005-08-30 13:04:12 +0200
commit9f96ae44c6ff7a441544584814078a6536ba6594 (patch)
tree42e86371522ce061b8c5c5112f18170fa7602c86 /common
parent7bc5ee0785a528962bffc586f7d447d79e2642b4 (diff)
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Add keyboard and dot matrix display support for HMI1001 board.
Diffstat (limited to 'common')
-rw-r--r--common/Makefile9
-rw-r--r--common/cmd_display.c82
2 files changed, 88 insertions, 3 deletions
diff --git a/common/Makefile b/common/Makefile
index 209e17d..b5396ce 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -31,7 +31,7 @@ COBJS = main.o ACEX1K.o altera.o bedbug.o circbuf.o \
cmd_ace.o cmd_autoscript.o \
cmd_bdinfo.o cmd_bedbug.o cmd_bmp.o cmd_boot.o cmd_bootm.o \
cmd_cache.o cmd_console.o \
- cmd_date.o cmd_dcr.o cmd_diag.o cmd_doc.o cmd_dtt.o \
+ cmd_date.o cmd_dcr.o cmd_diag.o cmd_display.o cmd_doc.o cmd_dtt.o \
cmd_eeprom.o cmd_elf.o cmd_ext2.o \
cmd_fat.o cmd_fdc.o cmd_fdos.o cmd_flash.o cmd_fpga.o \
cmd_i2c.o cmd_ide.o cmd_immap.o cmd_itest.o cmd_jffs2.o \
@@ -39,10 +39,13 @@ COBJS = main.o ACEX1K.o altera.o bedbug.o circbuf.o \
cmd_mem.o cmd_mii.o cmd_misc.o cmd_mmc.o \
cmd_nand.o cmd_net.o cmd_nvedit.o \
cmd_pci.o cmd_pcmcia.o cmd_portio.o \
- cmd_reginfo.o cmd_reiser.o cmd_scsi.o cmd_spi.o cmd_universe.o cmd_usb.o cmd_vfd.o \
+ cmd_reginfo.o cmd_reiser.o cmd_scsi.o cmd_spi.o cmd_universe.o \
+ cmd_usb.o cmd_vfd.o \
command.o console.o devices.o dlmalloc.o docecc.o \
environment.o env_common.o \
- env_nand.o env_dataflash.o env_flash.o env_eeprom.o env_nvram.o env_nowhere.o exports.o \
+ env_nand.o env_dataflash.o env_flash.o env_eeprom.o \
+ env_nvram.o env_nowhere.o \
+ exports.o \
flash.o fpga.o \
hush.o kgdb.o lcd.o lists.o lynxkdi.o \
memsize.o miiphybb.o miiphyutil.o \
diff --git a/common/cmd_display.c b/common/cmd_display.c
new file mode 100644
index 0000000..abee844
--- /dev/null
+++ b/common/cmd_display.c
@@ -0,0 +1,82 @@
+/*
+ * (C) Copyright 2005
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+
+#if (CONFIG_COMMANDS & CFG_CMD_DISPLAY)
+
+#undef DEBUG_DISP
+
+#define DISP_SIZE 8
+#define CWORD_CLEAR 0x80
+#define CLEAR_DELAY (110 * 2)
+
+int do_display (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ int i;
+ int pos;
+
+ /* Clear display */
+ *((volatile char*)(CFG_DISP_CWORD)) = CWORD_CLEAR;
+ udelay(1000 * CLEAR_DELAY);
+
+ if (argc < 2)
+ return (0);
+
+ for (pos = 0, i = 1; i < argc && pos < DISP_SIZE; i++) {
+ char *p = argv[i], c;
+
+ if (i > 1) {
+ *((volatile uchar *) (CFG_DISP_CHR_RAM + pos++)) = ' ';
+#ifdef DEBUG_DISP
+ putc(' ');
+#endif
+ }
+
+ while ((c = *p++) != '\0' && pos < DISP_SIZE) {
+ *((volatile uchar *) (CFG_DISP_CHR_RAM + pos++)) = c;
+#ifdef DEBUG_DISP
+ putc(c);
+#endif
+ }
+ }
+
+#ifdef DEBUG_DISP
+ putc('\n');
+#endif
+
+ return (0);
+}
+
+/***************************************************/
+
+U_BOOT_CMD(
+ display, CFG_MAXARGS, 1, do_display,
+ "display- display string on dot matrix display\n",
+ "[<string>]\n"
+ " - with <string> argument: display <string> on dot matrix display\n"
+ " - without arguments: clear dot matrix display\n"
+);
+
+#endif /* CFG_CMD_DISPLAY */