306 lines
9.1 KiB
C
306 lines
9.1 KiB
C
/****************************************************************************
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* configs/viewtool-stm32f107/src/stm32_leds.c
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*
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* Copyright (C) 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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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 <arch/board/board.h>
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#include "stm32_gpio.h"
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#include "viewtool_stm32f107.h"
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/* CONFIG_DEBUG_LEDS enables debug output from this file (needs CONFIG_DEBUG
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* with CONFIG_DEBUG_VERBOSE too)
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*/
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#ifdef CONFIG_DEBUG_LEDS
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# define leddbg lldbg
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# define ledvdbg llvdbg
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#else
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# define leddbg(x...)
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# define ledvdbg(x...)
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#endif
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/****************************************************************************
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* Private Data
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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: led_onbits
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*
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* Description:
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* Clear all LEDs to the bit encoded state
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*
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****************************************************************************/
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static void led_onbits(unsigned int clrbits)
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{
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if ((clrbits & BOARD_LED1_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED1, false);
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}
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if ((clrbits & BOARD_LED2_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED2, false);
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}
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if ((clrbits & BOARD_LED3_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED3, false);
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}
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if ((clrbits & BOARD_LED4_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED4, false);
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}
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}
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/****************************************************************************
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* Name: led_offbits
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*
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* Description:
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* Clear all LEDs to the bit encoded state
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*
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****************************************************************************/
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static void led_offbits(unsigned int clrbits)
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{
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if ((clrbits & BOARD_LED1_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED1, true);
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}
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if ((clrbits & BOARD_LED2_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED2, true);
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}
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if ((clrbits & BOARD_LED3_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED3, true);
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}
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if ((clrbits & BOARD_LED4_BIT) != 0)
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{
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stm32_gpiowrite(GPIO_LED4, true);
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}
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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: stm32_ledinit
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*
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* Description:
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* Configure LEDs. LEDs are left in the OFF state.
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*
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****************************************************************************/
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void stm32_ledinit(void)
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{
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/* Configure LED1-4 GPIOs for output. Initial state is OFF */
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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_led_on
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*
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* Description:
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* Select the "logical" ON state:
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*
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* SYMBOL Val Meaning LED state
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* LED1 LED2 LED3 LED4
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* ----------------- --- ----------------------- ---- ---- ---- ----
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* LED_STARTED 0 NuttX has been started ON OFF OFF OFF
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* LED_HEAPALLOCATE 1 Heap has been allocated OFF ON OFF OFF
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* LED_IRQSENABLED 2 Interrupts enabled ON ON OFF OFF
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* LED_STACKCREATED 3 Idle stack created OFF OFF ON OFF
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* LED_INIRQ 4 In an interrupt N/C N/C N/C GLOW
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* LED_SIGNAL 4 In a signal handler N/C N/C N/C GLOW
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* LED_ASSERTION 4 An assertion failed N/C N/C N/C GLOW
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* LED_PANIC 4 The system has crashed N/C N/C N/C FLASH
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* ED_IDLE MCU is is sleep mode Not used
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*
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****************************************************************************/
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#ifdef CONFIG_ARCH_LEDS
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void board_led_on(int led)
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{
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switch (led)
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{
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case 0:
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led_offbits(BOARD_LED2_BIT | BOARD_LED3_BIT |BOARD_LED4_BIT);
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led_onbits(BOARD_LED1_BIT);
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break;
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case 1:
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led_offbits(BOARD_LED1_BIT | BOARD_LED3_BIT |BOARD_LED4_BIT);
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led_onbits(BOARD_LED2_BIT);
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break;
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case 2:
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led_offbits(BOARD_LED3_BIT |BOARD_LED4_BIT);
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led_onbits(BOARD_LED1_BIT | BOARD_LED2_BIT);
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break;
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case 3:
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led_offbits(BOARD_LED1_BIT | BOARD_LED2_BIT |BOARD_LED4_BIT);
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led_onbits(BOARD_LED3_BIT);
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break;
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case 4:
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stm32_gpiowrite(GPIO_LED4, false);
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break;
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}
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}
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#endif
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/****************************************************************************
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* Name: board_led_off
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*
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* Description:
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* Select the "logical" OFF state:
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*
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* SYMBOL Val Meaning LED state
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* LED1 LED2 LED3 LED4
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* ----------------- --- ----------------------- ---- ---- ---- ----
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* LED_STARTED 0 NuttX has been started ON OFF OFF OFF
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* LED_HEAPALLOCATE 1 Heap has been allocated OFF ON OFF OFF
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* LED_IRQSENABLED 2 Interrupts enabled ON ON OFF OFF
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* LED_STACKCREATED 3 Idle stack created OFF OFF ON OFF
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* LED_INIRQ 4 In an interrupt N/C N/C N/C GLOW
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* LED_SIGNAL 4 In a signal handler N/C N/C N/C GLOW
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* LED_ASSERTION 4 An assertion failed N/C N/C N/C GLOW
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* LED_PANIC 4 The system has crashed N/C N/C N/C FLASH
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* ED_IDLE MCU is is sleep mode Not used
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*
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****************************************************************************/
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#ifdef CONFIG_ARCH_LEDS
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void board_led_off(int led)
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{
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switch (led)
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{
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case 0:
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case 1:
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case 2:
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case 3:
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break;
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case 4:
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stm32_gpiowrite(GPIO_LED4, true);
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break;
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}
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}
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#endif
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/************************************************************************************
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* Name: stm32_setled, and stm32_setleds
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*
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* Description:
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* These interfaces allow user control of the board LEDs.
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*
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* If CONFIG_ARCH_LEDS is defined, then NuttX will control both on-board LEDs up
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* until the completion of boot. The it will continue to control LED2; LED1 is
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* avaiable for application use.
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*
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* If CONFIG_ARCH_LEDS is not defined, then both LEDs are available for application
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* use.
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*
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************************************************************************************/
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void stm32_setled(int led, bool ledon)
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{
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uint32_t pinset;
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switch (led)
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{
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case BOARD_LED1:
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pinset = GPIO_LED1;
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break;
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case BOARD_LED2:
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pinset = GPIO_LED2;
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break;
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case BOARD_LED3:
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pinset = GPIO_LED3;
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break;
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case BOARD_LED4:
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#ifndef CONFIG_ARCH_LEDS
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pinset = GPIO_LED4;
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break;
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#endif
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default:
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return;
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}
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stm32_gpiowrite(pinset, !ledon);
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}
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void stm32_setleds(uint8_t ledset)
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{
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#ifdef CONFIG_ARCH_LEDS
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led_onbits(ledset & ~BOARD_LED4_BIT);
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led_offbits(~(ledset | BOARD_LED4_BIT));
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#else
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led_onbits(ledset);
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led_offbits(~ledset);
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#endif
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}
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