/**************************************************************************** * configs/olimex-stm32-p207/src/stm32_autoleds.c * * Copyright (C) 2011-2013, 2015 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include #include #include "stm32.h" #include "olimex-stm32-p207.h" #ifdef 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 /* The following definitions map the encoded LED setting to GPIO settings */ #define LED_STARTED_BITS (BOARD_LED1_BIT) #define LED_HEAPALLOCATE_BITS (BOARD_LED2_BIT) #define LED_IRQSENABLED_BITS (BOARD_LED1_BIT | BOARD_LED2_BIT) #define LED_STACKCREATED_BITS (BOARD_LED3_BIT) #define LED_INIRQ_BITS (BOARD_LED1_BIT | BOARD_LED3_BIT) #define LED_SIGNAL_BITS (BOARD_LED2_BIT | BOARD_LED3_BIT) #define LED_ASSERTION_BITS (BOARD_LED1_BIT | BOARD_LED2_BIT | BOARD_LED3_BIT) #define LED_PANIC_BITS (BOARD_LED4_BIT) /**************************************************************************** * Private Data ****************************************************************************/ static const unsigned int g_ledbits[8] = { LED_STARTED_BITS, LED_HEAPALLOCATE_BITS, LED_IRQSENABLED_BITS, LED_STACKCREATED_BITS, LED_INIRQ_BITS, LED_SIGNAL_BITS, LED_ASSERTION_BITS, LED_PANIC_BITS }; /**************************************************************************** * Private Functions ****************************************************************************/ static inline void led_clrbits(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); } } static inline void led_setbits(unsigned int setbits) { if ((setbits & BOARD_LED1_BIT) != 0) { stm32_gpiowrite(GPIO_LED1, true); } if ((setbits & BOARD_LED2_BIT) != 0) { stm32_gpiowrite(GPIO_LED2, true); } if ((setbits & BOARD_LED3_BIT) != 0) { stm32_gpiowrite(GPIO_LED3, true); } if ((setbits & BOARD_LED4_BIT) != 0) { stm32_gpiowrite(GPIO_LED4, true); } } /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: board_led_initialize ****************************************************************************/ void board_led_initialize(void) { /* Configure LED1-4 GPIOs for output */ stm32_configgpio(GPIO_LED1); stm32_configgpio(GPIO_LED2); stm32_configgpio(GPIO_LED3); stm32_configgpio(GPIO_LED4); } /**************************************************************************** * Name: board_led_on ****************************************************************************/ void board_led_on(int led) { led_clrbits(BOARD_LED1_BIT | BOARD_LED2_BIT | BOARD_LED3_BIT | BOARD_LED4_BIT); led_setbits(g_ledbits[led]); } /**************************************************************************** * Name: board_led_off ****************************************************************************/ void board_led_off(int led) { led_clrbits(g_ledbits[led]); } #endif /* CONFIG_ARCH_LEDS */