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/****************************************************************************
* configs/viewtool-stm32f107/src/stm32_leds.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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <debug.h>
#include <arch/board/board.h>
#include "stm32_gpio.h"
#include "viewtool_stm32f107.h"
/****************************************************************************
* 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
****************************************************************************/
/****************************************************************************
* Name: led_onbits
*
* Description:
* Clear all LEDs to the bit encoded state
*
****************************************************************************/
static void led_onbits(unsigned int clrbits)
{
if ((clrbits & BOARD_LED1_BIT) != 0)
{
stm32_gpiowrite(GPIO_LED1, false);
}
if ((clrbits & BOARD_LED2_BIT) != 0)
{
stm32_gpiowrite(GPIO_LED2, false);
}
if ((clrbits & BOARD_LED3_BIT) != 0)
{
stm32_gpiowrite(GPIO_LED3, false);
}
if ((clrbits & BOARD_LED4_BIT) != 0)
{
stm32_gpiowrite(GPIO_LED4, false);
}
}
/****************************************************************************
* Name: led_offbits
*
* Description:
* Clear all LEDs to the bit encoded state
*
****************************************************************************/
static void led_offbits(unsigned int clrbits)
{
if ((clrbits & BOARD_LED1_BIT) != 0)
{
stm32_gpiowrite(GPIO_LED1, true);
}
if ((clrbits & BOARD_LED2_BIT) != 0)
{
stm32_gpiowrite(GPIO_LED2, true);
}
if ((clrbits & BOARD_LED3_BIT) != 0)
{
stm32_gpiowrite(GPIO_LED3, true);
}
if ((clrbits & BOARD_LED4_BIT) != 0)
{
stm32_gpiowrite(GPIO_LED4, true);
}
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: stm32_ledinit
*
* Description:
* Configure LEDs. LEDs are left in the OFF state.
*
****************************************************************************/
void stm32_ledinit(void)
{
/* Configure LED1-4 GPIOs for output. Initial state is OFF */
stm32_configgpio(GPIO_LED1);
stm32_configgpio(GPIO_LED2);
stm32_configgpio(GPIO_LED3);
stm32_configgpio(GPIO_LED4);
}
/****************************************************************************
* Name: board_led_on
*
* Description:
* Select the "logical" ON state:
*
* SYMBOL Val Meaning LED state
* LED1 LED2 LED3 LED4
* ----------------- --- ----------------------- ---- ---- ---- ----
* LED_STARTED 0 NuttX has been started ON OFF OFF OFF
* LED_HEAPALLOCATE 1 Heap has been allocated OFF ON OFF OFF
* LED_IRQSENABLED 2 Interrupts enabled ON ON OFF OFF
* LED_STACKCREATED 3 Idle stack created OFF OFF ON OFF
* LED_INIRQ 4 In an interrupt N/C N/C N/C GLOW
* LED_SIGNAL 4 In a signal handler N/C N/C N/C GLOW
* LED_ASSERTION 4 An assertion failed N/C N/C N/C GLOW
* LED_PANIC 4 The system has crashed N/C N/C N/C FLASH
* ED_IDLE MCU is is sleep mode Not used
*
****************************************************************************/
#ifdef CONFIG_ARCH_LEDS
void board_led_on(int led)
{
switch (led)
{
case 0:
led_offbits(BOARD_LED2_BIT | BOARD_LED3_BIT |BOARD_LED4_BIT);
led_onbits(BOARD_LED1_BIT);
break;
case 1:
led_offbits(BOARD_LED1_BIT | BOARD_LED3_BIT |BOARD_LED4_BIT);
led_onbits(BOARD_LED2_BIT);
break;
case 2:
led_offbits(BOARD_LED3_BIT |BOARD_LED4_BIT);
led_onbits(BOARD_LED1_BIT | BOARD_LED2_BIT);
break;
case 3:
led_offbits(BOARD_LED1_BIT | BOARD_LED2_BIT |BOARD_LED4_BIT);
led_onbits(BOARD_LED3_BIT);
break;
case 4:
stm32_gpiowrite(GPIO_LED4, false);
break;
}
}
#endif
/****************************************************************************
* Name: board_led_off
*
* Description:
* Select the "logical" OFF state:
*
* SYMBOL Val Meaning LED state
* LED1 LED2 LED3 LED4
* ----------------- --- ----------------------- ---- ---- ---- ----
* LED_STARTED 0 NuttX has been started ON OFF OFF OFF
* LED_HEAPALLOCATE 1 Heap has been allocated OFF ON OFF OFF
* LED_IRQSENABLED 2 Interrupts enabled ON ON OFF OFF
* LED_STACKCREATED 3 Idle stack created OFF OFF ON OFF
* LED_INIRQ 4 In an interrupt N/C N/C N/C GLOW
* LED_SIGNAL 4 In a signal handler N/C N/C N/C GLOW
* LED_ASSERTION 4 An assertion failed N/C N/C N/C GLOW
* LED_PANIC 4 The system has crashed N/C N/C N/C FLASH
* ED_IDLE MCU is is sleep mode Not used
*
****************************************************************************/
#ifdef CONFIG_ARCH_LEDS
void board_led_off(int led)
{
switch (led)
{
case 0:
case 1:
case 2:
case 3:
break;
case 4:
stm32_gpiowrite(GPIO_LED4, true);
break;
}
}
#endif
/************************************************************************************
* Name: stm32_setled, and stm32_setleds
*
* Description:
* These interfaces allow user control of the board LEDs.
*
* If CONFIG_ARCH_LEDS is defined, then NuttX will control both on-board LEDs up
* until the completion of boot. The it will continue to control LED2; LED1 is
* avaiable for application use.
*
* If CONFIG_ARCH_LEDS is not defined, then both LEDs are available for application
* use.
*
************************************************************************************/
void stm32_setled(int led, bool ledon)
{
uint32_t pinset;
switch (led)
{
case BOARD_LED1:
pinset = GPIO_LED1;
break;
case BOARD_LED2:
pinset = GPIO_LED2;
break;
case BOARD_LED3:
pinset = GPIO_LED3;
break;
case BOARD_LED4:
#ifndef CONFIG_ARCH_LEDS
pinset = GPIO_LED4;
break;
#endif
default:
return;
}
stm32_gpiowrite(pinset, !ledon);
}
void stm32_setleds(uint8_t ledset)
{
#ifdef CONFIG_ARCH_LEDS
led_onbits(ledset & ~BOARD_LED4_BIT);
led_offbits(~(ledset | BOARD_LED4_BIT));
#else
led_onbits(ledset);
led_offbits(~ledset);
#endif
}
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