/viewtool-stm32f107/src/stm32_leds.c
C | 311 lines | 140 code | 42 blank | 129 comment | 19 complexity | fee54e5187e4dfa0b2fe3a6ee30849db MD5 | raw file
- /****************************************************************************
- * configs/viewtool-stm32f107/src/stm32_leds.c
- *
- * Copyright (C) 2013, 2015 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 <nuttx/board.h>
- #include <arch/board/board.h>
- #include "stm32_gpio.h"
- #include "viewtool_stm32f107.h"
- /****************************************************************************
- * 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
- ****************************************************************************/
- /****************************************************************************
- * 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_led_initialize
- *
- * Description:
- * Configure LEDs. LEDs are left in the OFF state.
- *
- ****************************************************************************/
- void stm32_led_initialize(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_autoled_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_autoled_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_autoled_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_autoled_off(int led)
- {
- switch (led)
- {
- case 0:
- case 1:
- case 2:
- case 3:
- break;
- case 4:
- stm32_gpiowrite(GPIO_LED4, true);
- break;
- }
- }
- #endif
- /************************************************************************************
- * Name: board_userled_initialize, board_userled, and board_userled_all
- *
- * 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 board_userled_initialize(void)
- {
- /* Already initialized by stm32_led_initialize */
- }
- void board_userled(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 board_userled_all(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
- }