FreeCalypso > hg > freecalypso-tools

changeset 702:36e6a1ff9608

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lunadrv: rd and wr commands added
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 07 May 2020 02:40:13 +0000
parents 39e7b3001946
children ff3d8167fa94
files target-utils/lunadrv/Makefile target-utils/lunadrv/cmdtab.c target-utils/lunadrv/regcmd.c
diffstat 3 files changed, 50 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/target-utils/lunadrv/Makefile	Thu May 07 02:27:56 2020 +0000
+++ b/target-utils/lunadrv/Makefile	Thu May 07 02:40:13 2020 +0000
@@ -5,7 +5,7 @@
 OBJCOPY=arm-elf-objcopy
 
 PROG=	lunadrv
-OBJS=	crt0.o backlight.o cmdtab.o haoran.o lcdout.o main.o
+OBJS=	crt0.o backlight.o cmdtab.o haoran.o lcdout.o main.o regcmd.o
 LIBS=	../libcommon/libcommon.a ../libprintf/libprintf.a ../libbase/libbase.a \
 	../libc/libc.a
 LIBGCC=	`${CC} -print-file-name=libgcc.a`
--- a/target-utils/lunadrv/cmdtab.c	Thu May 07 02:27:56 2020 +0000
+++ b/target-utils/lunadrv/cmdtab.c	Thu May 07 02:40:13 2020 +0000
@@ -10,10 +10,12 @@
 extern void cmd_r8();
 extern void cmd_r16();
 extern void cmd_r32();
+extern void cmd_rd();
 extern void cmd_rect();
 extern void cmd_w8();
 extern void cmd_w16();
 extern void cmd_w32();
+extern void cmd_wr();
 
 extern void abb_init();
 extern void abb_power_off();
@@ -38,9 +40,11 @@
 	{"r8", cmd_r8},
 	{"r16", cmd_r16},
 	{"r32", cmd_r32},
+	{"rd", cmd_rd},
 	{"rect", cmd_rect},
 	{"w8", cmd_w8},
 	{"w16", cmd_w16},
 	{"w32", cmd_w32},
+	{"wr", cmd_wr},
 	{0, 0}
 };
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/target-utils/lunadrv/regcmd.c	Thu May 07 02:40:13 2020 +0000
@@ -0,0 +1,45 @@
+/*
+ * Handy commands for reading and writing LCD controller registers.
+ */
+
+#include <sys/types.h>
+#include "types.h"
+#include "luna.h"
+
+void
+cmd_rd(argbulk)
+	char *argbulk;
+{
+	char *argv[2];
+	u_long regno;
+
+	if (parse_args(argbulk, 1, 1, argv, 0) < 0)
+		return;
+	if (parse_hexarg(argv[0], 4, &regno) < 0) {
+	    printf("ERROR: regno argument must be a valid 16-bit hex word\n");
+		return;
+	}
+	LCD_IR = regno;
+	printf("%04X\n", LCD_DR);
+}
+
+void
+cmd_wr(argbulk)
+	char *argbulk;
+{
+	char *argv[3];
+	u_long regno, value;
+
+	if (parse_args(argbulk, 2, 2, argv, 0) < 0)
+		return;
+	if (parse_hexarg(argv[0], 4, &regno) < 0) {
+	    printf("ERROR: regno argument must be a valid 16-bit hex word\n");
+		return;
+	}
+	if (parse_hexarg(argv[1], 4, &value) < 0) {
+	    printf("ERROR: value argument must be a valid 16-bit hex word\n");
+		return;
+	}
+	LCD_IR = regno;
+	LCD_DR = value;
+}