288 lines
11 KiB
C
288 lines
11 KiB
C
/****************************************************************************
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* configs/spark/src/stm32_autoleds.c
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*
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* Copyright (C) 2012-2013, 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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* David Sidrane <david_s5@nscdg.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <debug.h>
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#include <nuttx/board.h>
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#include <arch/board/board.h>
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#include "chip.h"
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#include "up_arch.h"
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#include "up_internal.h"
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#include "stm32.h"
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#include "spark.h"
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#ifdef CONFIG_ARCH_LEDS
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* The following definitions map the encoded LED setting to bit sets used to
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* manipulate the LEDs. All terms are in true logic, the led polarity is dealt
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* with in the phy_xxx operations
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*/
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#define ON_SETBITS_SHIFT (0)
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#define ON_CLRBITS_SHIFT (4)
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#define OFF_SETBITS_SHIFT (8)
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#define OFF_CLRBITS_SHIFT (12)
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#define ON_BITS(v) ((v) & 0xff)
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#define OFF_BITS(v) (((v) >> 8) & 0x0ff)
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#define SETBITS(b) ((b) & 0x0f)
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#define CLRBITS(b) (((b) >> 4) & 0x0f)
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#define ON_SETBITS(v) (SETBITS(ON_BITS(v))
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#define ON_CLRBITS(v) (CLRBITS(ON_BITS(v))
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#define OFF_SETBITS(v) (SETBITS(OFF_BITS(v))
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#define OFF_CLRBITS(v) (CLRBITS(OFF_BITS(v))
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#define LED_STARTED_ON_SETBITS ((BOARD_RED_LED_BIT) << ON_SETBITS_SHIFT)
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#define LED_STARTED_ON_CLRBITS ((BOARD_GREEN_LED_BIT|BOARD_BLUE_LED_BIT|BOARD_USR_LED_BIT) << ON_CLRBITS_SHIFT)
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#define LED_STARTED_OFF_SETBITS (0 << OFF_SETBITS_SHIFT)
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#define LED_STARTED_OFF_CLRBITS ((BOARD_RED_LED_BIT|BOARD_GREEN_LED_BIT|BOARD_BLUE_LED_BIT|BOARD_USR_LED_BIT) << OFF_CLRBITS_SHIFT)
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#define LED_HEAPALLOCATE_ON_SETBITS ((BOARD_BLUE_LED_BIT) << ON_SETBITS_SHIFT)
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#define LED_HEAPALLOCATE_ON_CLRBITS ((BOARD_RED_LED_BIT|BOARD_GREEN_LED_BIT|BOARD_USR_LED_BIT) << ON_CLRBITS_SHIFT)
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#define LED_HEAPALLOCATE_OFF_SETBITS ((BOARD_RED_LED_BIT) << OFF_SETBITS_SHIFT)
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#define LED_HEAPALLOCATE_OFF_CLRBITS ((BOARD_GREEN_LED_BIT|BOARD_BLUE_LED_BIT|BOARD_USR_LED_BIT) << OFF_CLRBITS_SHIFT)
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#define LED_IRQSENABLED_ON_SETBITS ((BOARD_RED_LED_BIT|BOARD_GREEN_LED_BIT) << ON_SETBITS_SHIFT)
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#define LED_IRQSENABLED_ON_CLRBITS ((BOARD_BLUE_LED_BIT|BOARD_USR_LED_BIT) << ON_CLRBITS_SHIFT)
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#define LED_IRQSENABLED_OFF_SETBITS ((BOARD_BLUE_LED_BIT) << OFF_SETBITS_SHIFT)
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#define LED_IRQSENABLED_OFF_CLRBITS ((BOARD_RED_LED_BIT|BOARD_GREEN_LED_BIT|BOARD_USR_LED_BIT) << OFF_CLRBITS_SHIFT)
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#define LED_STACKCREATED_ON_SETBITS ((BOARD_GREEN_LED_BIT) << ON_SETBITS_SHIFT)
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#define LED_STACKCREATED_ON_CLRBITS ((BOARD_RED_LED_BIT|BOARD_BLUE_LED_BIT|BOARD_USR_LED_BIT) << ON_CLRBITS_SHIFT)
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#define LED_STACKCREATED_OFF_SETBITS ((BOARD_RED_LED_BIT|BOARD_GREEN_LED_BIT) << OFF_SETBITS_SHIFT)
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#define LED_STACKCREATED_OFF_CLRBITS ((BOARD_BLUE_LED_BIT|BOARD_USR_LED_BIT) << OFF_CLRBITS_SHIFT)
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#define LED_INIRQ_ON_SETBITS ((BOARD_RED_LED_BIT) << ON_SETBITS_SHIFT)
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#define LED_INIRQ_ON_CLRBITS ((0) << ON_CLRBITS_SHIFT)
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#define LED_INIRQ_OFF_SETBITS ((0) << OFF_SETBITS_SHIFT)
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#define LED_INIRQ_OFF_CLRBITS ((BOARD_RED_LED_BIT) << OFF_CLRBITS_SHIFT)
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#define LED_SIGNAL_ON_SETBITS ((BOARD_BLUE_LED_BIT) << ON_SETBITS_SHIFT)
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#define LED_SIGNAL_ON_CLRBITS ((0) << ON_CLRBITS_SHIFT)
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#define LED_SIGNAL_OFF_SETBITS ((0) << OFF_SETBITS_SHIFT)
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#define LED_SIGNAL_OFF_CLRBITS ((BOARD_BLUE_LED_BIT) << OFF_CLRBITS_SHIFT)
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#define LED_ASSERTION_ON_SETBITS ((BOARD_RED_LED_BIT|BOARD_GREEN_LED_BIT|BOARD_BLUE_LED_BIT) << ON_SETBITS_SHIFT)
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#define LED_ASSERTION_ON_CLRBITS ((0) << ON_CLRBITS_SHIFT)
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#define LED_ASSERTION_OFF_SETBITS ((0) << OFF_SETBITS_SHIFT)
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#define LED_ASSERTION_OFF_CLRBITS ((BOARD_RED_LED_BIT|BOARD_GREEN_LED_BIT|BOARD_BLUE_LED_BIT) << OFF_CLRBITS_SHIFT)
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#define LED_PANIC_ON_SETBITS ((BOARD_RED_LED_BIT) << ON_SETBITS_SHIFT)
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#define LED_PANIC_ON_CLRBITS ((0) << ON_CLRBITS_SHIFT)
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#define LED_PANIC_OFF_SETBITS ((0) << OFF_SETBITS_SHIFT)
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#define LED_PANIC_OFF_CLRBITS ((BOARD_RED_LED_BIT) << OFF_CLRBITS_SHIFT)
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/**************************************************************************************
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* Private Function Prototypes
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**************************************************************************************/
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/* LED State Controls */
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static inline void phy_led_on(unsigned int on_bitset);
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static inline void phy_led_off(unsigned int off_bitset);
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static void led_setonoff(unsigned int bitset);
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static const uint16_t g_ledbits[LED_NUM_CODES] =
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{
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(LED_STARTED_ON_SETBITS | LED_STARTED_ON_CLRBITS |
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LED_STARTED_OFF_SETBITS | LED_STARTED_OFF_CLRBITS),
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(LED_HEAPALLOCATE_ON_SETBITS | LED_HEAPALLOCATE_ON_CLRBITS |
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LED_HEAPALLOCATE_OFF_SETBITS | LED_HEAPALLOCATE_OFF_CLRBITS),
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(LED_IRQSENABLED_ON_SETBITS | LED_IRQSENABLED_ON_CLRBITS |
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LED_IRQSENABLED_OFF_SETBITS | LED_IRQSENABLED_OFF_CLRBITS),
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(LED_STACKCREATED_ON_SETBITS | LED_STACKCREATED_ON_CLRBITS |
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LED_STACKCREATED_OFF_SETBITS | LED_STACKCREATED_OFF_CLRBITS),
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(LED_INIRQ_ON_SETBITS | LED_INIRQ_ON_CLRBITS |
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LED_INIRQ_OFF_SETBITS | LED_INIRQ_OFF_CLRBITS),
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(LED_SIGNAL_ON_SETBITS | LED_SIGNAL_ON_CLRBITS |
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LED_SIGNAL_OFF_SETBITS | LED_SIGNAL_OFF_CLRBITS),
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(LED_ASSERTION_ON_SETBITS | LED_ASSERTION_ON_CLRBITS |
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LED_ASSERTION_OFF_SETBITS | LED_ASSERTION_OFF_CLRBITS),
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(LED_PANIC_ON_SETBITS | LED_PANIC_ON_CLRBITS |
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LED_PANIC_OFF_SETBITS | LED_PANIC_OFF_CLRBITS)
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: phy_led_on
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*
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* Description:
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* Performs the physical IO to turn On LEDs to the bit encoded state
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*
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****************************************************************************/
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static inline void phy_led_on(unsigned int on_bitset)
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{
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/* All RGB LEDs are pulled up and, hence, active low */
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if ((on_bitset & BOARD_RED_LED_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED2, false);
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}
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if ((on_bitset & BOARD_GREEN_LED_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED4, false);
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}
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if ((on_bitset & BOARD_BLUE_LED_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED3, false);
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}
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/* USR LED is pulled down and, hence, active high */
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if ((on_bitset & BOARD_USR_LED_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED1, true);
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}
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}
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/****************************************************************************
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* Name: phy_led_off
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*
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* Description:
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* Performs the physical IO to turn Off LEDs to the bit encoded state
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*
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****************************************************************************/
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static inline void phy_led_off(unsigned int off_bitset)
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{
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/* All RGB LEDs are pulled up and, hence, active low */
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if ((off_bitset & BOARD_RED_LED_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED2, true);
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}
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if ((off_bitset & BOARD_GREEN_LED_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED4, true);
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}
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if ((off_bitset & BOARD_BLUE_LED_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED3, true);
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}
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/* USR LED is pulled down and, hence, active high */
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if ((off_bitset & BOARD_USR_LED_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED1, false);
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}
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}
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/****************************************************************************
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* Name: led_setonoff
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*
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* Description:
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* Set/clear all LEDs to the bit encoded state
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*
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****************************************************************************/
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static void led_setonoff(unsigned int bits)
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{
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phy_led_off(CLRBITS(bits));
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phy_led_on(SETBITS(bits));
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_autoled_initialize
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****************************************************************************/
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void board_autoled_initialize(void)
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{
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/* Configure LED1-4 GPIOs for output */
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stm32_configgpio(GPIO_LED1);
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stm32_configgpio(GPIO_LED2);
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stm32_configgpio(GPIO_LED3);
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stm32_configgpio(GPIO_LED4);
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}
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/****************************************************************************
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* Name: board_autoled_on
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****************************************************************************/
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void board_autoled_on(int led)
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{
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led_setonoff(ON_BITS(g_ledbits[led]));
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}
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/****************************************************************************
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* Name: board_autoled_off
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****************************************************************************/
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void board_autoled_off(int led)
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{
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led_setonoff(OFF_BITS(g_ledbits[led]));
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}
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#endif /* CONFIG_ARCH_LEDS */
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