[U-Boot] [PATCH 1/2] at91: Add command to control up to 5 user-leds from the console
Daniel Gorsulowski
Daniel.Gorsulowski at esd.eu
Tue Apr 7 14:31:30 CEST 2009
This patch bases on patch of Ulf Samuelsson
([PATCH 1/1] ARM: Add command to control coloured led from the console,
Wed Jan 7 21:09:55 CET 2009)
It allows any board implementing the user LED API
to control the LEDs from the console.
led [ 1 | 2 | 3 | 4 | 5 | all ] [ on | off ]
Adding configuration item CONFIG_CMD_LED enables the command.
The items CONFIG_LED1...5 configure the associated gpio-pins.
Signed-off-by: Daniel Gorsulowski <Daniel.Gorsulowski at esd.eu>
---
common/Makefile | 1 +
common/cmd_led.c | 105 +++++++++++++++++++++++++++++++++++++++++
cpu/arm926ejs/at91/Makefile | 1 +
cpu/arm926ejs/at91/user_led.c | 102 +++++++++++++++++++++++++++++++++++++++
include/user_led.h | 60 +++++++++++++++++++++++
5 files changed, 269 insertions(+), 0 deletions(-)
create mode 100644 common/cmd_led.c
create mode 100644 cpu/arm926ejs/at91/user_led.c
create mode 100644 include/user_led.h
diff --git a/common/Makefile b/common/Makefile
index b9f4ca7..e0f571c 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -103,6 +103,7 @@ COBJS-$(CONFIG_CMD_IMMAP) += cmd_immap.o
COBJS-$(CONFIG_CMD_IRQ) += cmd_irq.o
COBJS-$(CONFIG_CMD_ITEST) += cmd_itest.o
COBJS-$(CONFIG_CMD_JFFS2) += cmd_jffs2.o
+COBJS-$(CONFIG_CMD_LED) += cmd_led.o
COBJS-$(CONFIG_CMD_LICENSE) += cmd_license.o
COBJS-y += cmd_load.o
COBJS-$(CONFIG_LOGBUFFER) += cmd_log.o
diff --git a/common/cmd_led.c b/common/cmd_led.c
new file mode 100644
index 0000000..248f3a9
--- /dev/null
+++ b/common/cmd_led.c
@@ -0,0 +1,105 @@
+/*
+ * (C) Copyright 2008
+ * Ulf Samuelsson <ulf.samuelsson at atmel.com>
+ *
+ * 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
+ */
+
+/*
+ * This file provides a shell like 'test' function to return
+ * true/false from an integer or string compare of two memory
+ * locations or a location and a scalar/literal.
+ * A few parts were lifted from bash 'test' command
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <user_led.h>
+
+int do_led (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ int led;
+
+ /* Validate arguments */
+ if ((argc != 3)) {
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+ if (strcmp(argv[1], "1") == 0) {
+ led = (1 << 0);
+ } else if (strcmp(argv[1], "2") == 0) {
+ led = (1 << 1);
+ } else if (strcmp(argv[1], "3") == 0) {
+ led = (1 << 2);
+ } else if (strcmp(argv[1], "4") == 0) {
+ led = (1 << 3);
+ } else if (strcmp(argv[1], "5") == 0) {
+ led = (1 << 4);
+ } else if (strcmp(argv[1], "all") == 0) {
+ led = 31;
+ } else {
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ if (strcmp(argv[2], "off") == 0) {
+#ifdef CONFIG_LED1
+ if(led & 1) user_LED1_off();
+#endif
+#ifdef CONFIG_LED2
+ if(led & 2) user_LED2_off();
+#endif
+#ifdef CONFIG_LED3
+ if(led & 4) user_LED3_off();
+#endif
+#ifdef CONFIG_LED4
+ if(led & 8) user_LED4_off();
+#endif
+#ifdef CONFIG_LED5
+ if(led & 16) user_LED5_off();
+#endif
+ } else if (strcmp(argv[2], "on") == 0) {
+#ifdef CONFIG_LED1
+ if(led & 1) user_LED1_on();
+#endif
+#ifdef CONFIG_LED2
+ if(led & 2) user_LED2_on();
+#endif
+#ifdef CONFIG_LED3
+ if(led & 4) user_LED3_on();
+#endif
+#ifdef CONFIG_LED4
+ if(led & 8) user_LED4_on();
+#endif
+#ifdef CONFIG_LED5
+ if(led & 16) user_LED5_on();
+#endif
+ } else {
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+ return 0;
+}
+
+U_BOOT_CMD(
+ led, 3, 1, do_led,
+ "[1|2|3|4|5|all] [on|off]",
+ "[1|2|3|4|5|all] [on|off] sets/clears led 1,2,3,4,5"
+);
diff --git a/cpu/arm926ejs/at91/Makefile b/cpu/arm926ejs/at91/Makefile
index 34e7461..f404cf1 100644
--- a/cpu/arm926ejs/at91/Makefile
+++ b/cpu/arm926ejs/at91/Makefile
@@ -55,6 +55,7 @@ COBJS-y += at91sam9rl_serial.o
COBJS-$(CONFIG_HAS_DATAFLASH) += at91sam9rl_spi.o
endif
COBJS-$(CONFIG_AT91_LED) += led.o
+COBJS-$(CONFIG_USER_LED) += user_led.o
COBJS-y += timer.o
SOBJS = lowlevel_init.o
diff --git a/cpu/arm926ejs/at91/user_led.c b/cpu/arm926ejs/at91/user_led.c
new file mode 100644
index 0000000..a5dc197
--- /dev/null
+++ b/cpu/arm926ejs/at91/user_led.c
@@ -0,0 +1,102 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop at leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * 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 <asm/arch/at91sam9263.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
+
+void user_LED_init(void)
+{
+ /* Enable clock */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_PIOB |
+ 1 << AT91SAM9263_ID_PIOCDE);
+
+ at91_set_gpio_output(CONFIG_LED1, 1);
+ at91_set_gpio_output(CONFIG_LED2, 1);
+
+ at91_set_gpio_value(CONFIG_LED1, 1);
+ at91_set_gpio_value(CONFIG_LED2, 1);
+}
+
+#ifdef CONFIG_LED1
+void user_LED1_on(void)
+{
+ at91_set_gpio_value(CONFIG_LED1, 0);
+}
+
+void user_LED1_off(void)
+{
+ at91_set_gpio_value(CONFIG_LED1, 1);
+}
+#endif
+
+#ifdef CONFIG_LED2
+void user_LED2_on(void)
+{
+ at91_set_gpio_value(CONFIG_LED2, 0);
+}
+
+void user_LED2_off(void)
+{
+ at91_set_gpio_value(CONFIG_LED2, 1);
+}
+#endif
+
+#ifdef CONFIG_LED3
+void user_LED3_on(void)
+{
+ at91_set_gpio_value(CONFIG_LED3, 0);
+}
+
+void user_LED3_off(void)
+{
+ at91_set_gpio_value(CONFIG_LED3, 1);
+}
+#endif
+
+#ifdef CONFIG_LED4
+void user_LED4_on(void)
+{
+ at91_set_gpio_value(CONFIG_LED4, 0);
+}
+
+void user_LED4_off(void)
+{
+ at91_set_gpio_value(CONFIG_LED4, 1);
+}
+#endif
+
+#ifdef CONFIG_LED5
+void user_LED5_on(void)
+{
+ at91_set_gpio_value(CONFIG_LED5, 0);
+}
+
+void user_LED5_off(void)
+{
+ at91_set_gpio_value(CONFIG_LED5, 1);
+}
+#endif
diff --git a/include/user_led.h b/include/user_led.h
new file mode 100644
index 0000000..e0b808f
--- /dev/null
+++ b/include/user_led.h
@@ -0,0 +1,60 @@
+/*
+ * (C) Copyright 2008
+ * Wolfgang Denk, DENX Software Engineering, wd at 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
+ */
+
+#ifndef _USER_LED_H_
+#define _USER_LED_H_
+
+#ifdef CONFIG_USER_LED
+
+/*
+ * user LEDs API
+ */
+#ifndef __ASSEMBLY__
+extern void user_LED_init(void);
+extern void user_LED1_on(void);
+extern void user_LED1_off(void);
+extern void user_LED2_on(void);
+extern void user_LED2_off(void);
+extern void user_LED3_on(void);
+extern void user_LED3_off(void);
+extern void user_LED4_on(void);
+extern void user_LED4_off(void);
+extern void user_LED5_on(void);
+extern void user_LED5_off(void);
+#else
+ .extern user_LED_init
+ .extern user_LED1_on
+ .extern user_LED1_off
+ .extern user_LED2_on
+ .extern user_LED2_off
+ .extern user_LED3_on
+ .extern user_LED3_off
+ .extern user_LED4_on
+ .extern user_LED4_off
+ .extern user_LED5_on
+ .extern user_LED5_off
+#endif
+
+#endif /* CONFIG_USER_LED */
+
+#endif /* _USER_LED_H_ */
--
1.6.1
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