Add configs/sam4l-xplained/src/up_userleds.c

configs/sam3u-ek/include/board.h

@@ -1,6 +1,5 @@
 /************************************************************************************
  * configs/sam3u-ek/include/board.h
- * include/arch/board/board.h
  *
  *   Copyright (C) 2009-2011, 2013 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>

configs/sam3u-ek/src/up_lcd.c

@@ -1,6 +1,5 @@
 /**************************************************************************************
  * configs/sam3u-ek/src/up_lcd.c
- * arch/arm/src/board/up_lcd.c
  *
  *   Copyright (C) 2010-2011, 2013 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>

configs/sam3u-ek/src/up_leds.c

@@ -1,6 +1,5 @@
 /****************************************************************************
  * configs/sam3u-ek/src/up_leds.c
- * arch/arm/src/board/up_leds.c
  *
  *   Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>

configs/sam3u-ek/src/up_touchscreen.c

@@ -1,6 +1,5 @@
 /************************************************************************************
  * configs/sam3u-ek/src/up_touchscreen.c
- * arch/arm/src/board/up_touchscreen.c
  *
  *   Copyright (C) 2011-2013 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>

configs/sam4l-xplained/include/board.h

@@ -115,8 +115,18 @@
  *
  * This LED is controlled by PC07 and LED0 can be activated by driving the
  * PC07 to GND.
- *
+ */
- * When CONFIG_ARCH_LEDS is defined in the NuttX configuration, NuttX will
+
+/* LED index values for use with sam_setled() */
+
+#define BOARD_LED0        0
+#define BOARD_NLEDS       1
+
+/* LED bits for use with sam_setleds() */
+
+#define BOARD_LED0_BIT    (1 << BOARD_LED0)
+
+/* When CONFIG_ARCH_LEDS is defined in the NuttX configuration, NuttX will
  * control LED0 as defined below.  Thus is LED0 is statically on, NuttX has
  * successfully booted and is, apparently, running normmally.  If LED0 is
  * flashing at approximately 2Hz, then a fatal error has been detected and the
@@ -198,6 +208,22 @@ extern "C" {
 
 void sam_boardinitialize(void);
 
+/************************************************************************************
+ * Name:  sam_ledinit, sam_setled, and sam_setleds
+ *
+ * Description:
+ *   If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board LEDs.  If
+ *   CONFIG_ARCH_LEDS is not defined, then the following interfaces are available to
+ *   control the LEDs from user applications.
+ *
+ ************************************************************************************/
+
+#ifndef CONFIG_ARCH_LEDS
+void sam_ledinit(void);
+void sam_setled(int led, bool ledon);
+void sam_setleds(uint8_t ledset);
+#endif
+
 /************************************************************************************
  * Name: up_buttoninit
  *

configs/sam4l-xplained/src/Makefile

@@ -40,7 +40,17 @@ CFLAGS += -I$(TOPDIR)/sched
 ASRCS =
 AOBJS = $(ASRCS:.S=$(OBJEXT))
 
-CSRCS = sam_boot.c sam_autoleds.c sam_buttons.c sam_spi.c
+CSRCS = sam_boot.c sam_spi.c
+
+ifeq ($(CONFIG_ARCH_LEDS),y)
+CSRCS += sam_autoleds.c
+else
+CSRCS += sam_userleds.c
+endif
+
+ifeq ($(CONFIG_ARCH_BUTTONS),y)
+CSRCS += sam_buttons.c
+endif
 
 COBJS = $(CSRCS:.c=$(OBJEXT))
 

configs/sam4l-xplained/src/sam_autoleds.c

@@ -92,11 +92,6 @@
 #  define ledvdbg(x...)
 #endif
 
-#define LED_OFF        0
-#define LED_ON         1
-#define LED_NOCHANGE   2
-#define LED_MASK       3
-
 /****************************************************************************
  * Private Data
  ****************************************************************************/

configs/sam4l-xplained/src/sam_userleds.c

@@ -0,0 +1,141 @@
+/****************************************************************************
+ * configs/sam4l-xplained/src/sam_userleds.c
+ *
+ *   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+/* There are three LEDs on board the SAM4L Xplained Pro board:  The EDBG
+ * controls two of the LEDs, a power LED and a status LED.  There is only
+ * one user controllable LED, a yellow LED labeled LED0 near the SAM4L USB
+ * connector.
+ *
+ * This LED is controlled by PC07 and LED0 can be activated by driving the
+ * PC07 to GND.
+ *
+ * When CONFIG_ARCH_LEDS is defined in the NuttX configuration, NuttX will
+ * control LED0.  Otherwise, LED0 can be controlled from logic in this file.
+ */
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <debug.h>
+
+#include <arch/board/board.h>
+
+#include "sam_gpio.h"
+#include "sam4l-xplained.h"
+
+#ifndef CONFIG_ARCH_LEDS
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* CONFIG_DEBUG_LEDS enables debug output from this file (needs CONFIG_DEBUG
+ * with CONFIG_DEBUG_VERBOSE too)
+ */
+
+#ifdef CONFIG_DEBUG_LEDS
+#  define leddbg  lldbg
+#  define ledvdbg llvdbg
+#else
+#  define leddbg(x...)
+#  define ledvdbg(x...)
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: sam_ledinit
+ *
+ * Description:
+ *   If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
+ *   LEDs.  If CONFIG_ARCH_LEDS is not defined, then the sam_ledinit() is
+ *   available to initialize the LED0 from user application logic.
+ *
+ ****************************************************************************/
+
+void sam_ledinit(void)
+{
+  (void)sam_configgpio(GPIO_LED0);
+}
+
+/****************************************************************************
+ * Name: sam_setled
+ *
+ * Description:
+ *   If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
+ *  LEDs.  If CONFIG_ARCH_LEDS is not defined, then the sam_setled() is
+ *  available to control the LED0 from user application logic.
+ *
+ *****************************************************************************/
+
+void sam_setled(int led, bool ledon)
+{
+  if (led == BOARD_LED0)
+    {
+      sam_gpiowrite(GPIO_LED0, !ledon);
+    }
+}
+
+/****************************************************************************
+ * Name: sam_setled
+ *
+ * Description:
+ *   If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
+ *  LEDs.  If CONFIG_ARCH_LEDS is not defined, then the sam_setleds() is
+ *  available to control the LED0 from user application logic.  NOTE:  since
+ *  there is only a single LED on-board, this is function is not very useful.
+ *
+ *****************************************************************************/
+
+void sam_setleds(uint8_t ledset)
+{
+  sam_setled(BOARD_LED0, (ledset & BOARD_LED0_BIT) != 0);
+}
+
+#endif /* !CONFIG_ARCH_LEDS */