/**************************************************************************** * configs/open1788/src/lpc17_autoleds.c * * Copyright (C) 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 "chip.h" #include "up_arch.h" #include "up_internal.h" #include "lpc17_gpio.h" #include "open1788.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in * any way. The following definitions are used to access individual LEDs. * * LED1 -- Connected to P1[14] * LED2 -- Connected to P0[16] * LED3 -- Connected to P1[13] * LED4 -- Connected to P4[27] * * These LEDs are connected to ground so a high output value will illuminate them. * * If CONFIG_ARCH_LEDs is defined, then NuttX will control the four LEDs * on the WaveShare Open1788K. The following definitions describe how NuttX * controls the LEDs: * * LED1 LED2 LED3 LED4 * LED_STARTED 0 OFF OFF OFF OFF * LED_HEAPALLOCATE 1 ON OFF OFF OFF * LED_IRQSENABLED 2 OFF ON OFF OFF * LED_STACKCREATED 3 ON ON OFF OFF * LED_INIRQ 4 LED3 glows, on while in interupt * LED_SIGNAL 4 LED3 glows, on while in signal handler * LED_ASSERTION 4 LED3 glows, on while in assertion * LED_PANIC 4 LED3 Flashes at 2Hz * LED_IDLE 5 LED glows, ON while sleeping */ /* The following definitions map the encoded LED setting to GPIO settings */ #define OPEN1788_LED1 (1 << 0) #define OPEN1788_LED2 (1 << 1) #define OPEN1788_LED3 (1 << 2) #define OPEN1788_LED4 (1 << 3) #define ON_SETBITS_SHIFT (0) #define ON_CLRBITS_SHIFT (4) #define OFF_SETBITS_SHIFT (8) #define OFF_CLRBITS_SHIFT (12) #define ON_BITS(v) ((v) & 0xff) #define OFF_BITS(v) (((v) >> 8) & 0x0ff) #define SETBITS(b) ((b) & 0x0f) #define CLRBITS(b) (((b) >> 4) & 0x0f) #define ON_SETBITS(v) (SETBITS(ON_BITS(v)) #define ON_CLRBITS(v) (CLRBITS(ON_BITS(v)) #define OFF_SETBITS(v) (SETBITS(OFF_BITS(v)) #define OFF_CLRBITS(v) (CLRBITS(OFF_BITS(v)) #define LED_STARTED_ON_SETBITS ((0) << ON_SETBITS_SHIFT) #define LED_STARTED_ON_CLRBITS ((OPEN1788_LED1|OPEN1788_LED2|OPEN1788_LED3|OPEN1788_LED4) << ON_CLRBITS_SHIFT) #define LED_STARTED_OFF_SETBITS (0 << OFF_SETBITS_SHIFT) #define LED_STARTED_OFF_CLRBITS ((OPEN1788_LED1|OPEN1788_LED2|OPEN1788_LED3|OPEN1788_LED4) << OFF_CLRBITS_SHIFT) #define LED_HEAPALLOCATE_ON_SETBITS ((OPEN1788_LED1) << ON_SETBITS_SHIFT) #define LED_HEAPALLOCATE_ON_CLRBITS ((OPEN1788_LED2|OPEN1788_LED3|OPEN1788_LED4) << ON_CLRBITS_SHIFT) #define LED_HEAPALLOCATE_OFF_SETBITS (0 << OFF_SETBITS_SHIFT) #define LED_HEAPALLOCATE_OFF_CLRBITS ((OPEN1788_LED1|OPEN1788_LED2|OPEN1788_LED3|OPEN1788_LED4) << OFF_CLRBITS_SHIFT) #define LED_IRQSENABLED_ON_SETBITS ((OPEN1788_LED2) << ON_SETBITS_SHIFT) #define LED_IRQSENABLED_ON_CLRBITS ((OPEN1788_LED1|OPEN1788_LED3|OPEN1788_LED4) << ON_CLRBITS_SHIFT) #define LED_IRQSENABLED_OFF_SETBITS ((OPEN1788_LED1) << OFF_SETBITS_SHIFT) #define LED_IRQSENABLED_OFF_CLRBITS ((OPEN1788_LED2|OPEN1788_LED3|OPEN1788_LED4) << OFF_CLRBITS_SHIFT) #define LED_STACKCREATED_ON_SETBITS ((OPEN1788_LED1|OPEN1788_LED2) << ON_SETBITS_SHIFT) #define LED_STACKCREATED_ON_CLRBITS ((OPEN1788_LED3|OPEN1788_LED4) << ON_CLRBITS_SHIFT) #define LED_STACKCREATED_OFF_SETBITS ((OPEN1788_LED2) << OFF_SETBITS_SHIFT) #define LED_STACKCREATED_OFF_CLRBITS ((OPEN1788_LED1|OPEN1788_LED3|OPEN1788_LED4) << OFF_CLRBITS_SHIFT) #define LED_EVENT_ON_SETBITS ((OPEN1788_LED3) << ON_SETBITS_SHIFT) #define LED_EVENT_ON_CLRBITS ((0) << ON_CLRBITS_SHIFT) #define LED_EVENT_OFF_SETBITS ((0) << OFF_SETBITS_SHIFT) #define LED_EVENT_OFF_CLRBITS ((OPEN1788_LED3) << OFF_CLRBITS_SHIFT) #define LED_IDLE_ON_SETBITS ((0) << ON_SETBITS_SHIFT) #define LED_IDLE_ON_CLRBITS ((OPEN1788_LED4) << ON_CLRBITS_SHIFT) #define LED_IDLE_OFF_SETBITS ((OPEN1788_LED4) << OFF_SETBITS_SHIFT) #define LED_IDLE_OFF_CLRBITS ((0) << OFF_CLRBITS_SHIFT) /* CONFIG_DEBUG_LEDS enables debug output from this file (needs CONFIG_DEBUG * with CONFIG_DEBUG_VERBOSE too) */ #ifdef CONFIG_DEBUG_LEDS # define leddbg lldbg # ifdef CONFIG_DEBUG_VERBOSE # define ledvdbg lldbg # else # define ledvdbg(x...) # endif #else # define leddbg(x...) # define ledvdbg(x...) #endif /* Dump GPIO registers */ #if defined(CONFIG_DEBUG_VERBOSE) && defined(CONFIG_DEBUG_LEDS) # define led_dumpgpio(m) lpc17_dumpgpio(???, m) #else # define led_dumpgpio(m) #endif /**************************************************************************** * Private Data ****************************************************************************/ /**************************************************************************** * Private Data ****************************************************************************/ static const uint16_t g_ledbits[8] = { (LED_STARTED_ON_SETBITS | LED_STARTED_ON_CLRBITS | LED_STARTED_OFF_SETBITS | LED_STARTED_OFF_CLRBITS), (LED_HEAPALLOCATE_ON_SETBITS | LED_HEAPALLOCATE_ON_CLRBITS | LED_HEAPALLOCATE_OFF_SETBITS | LED_HEAPALLOCATE_OFF_CLRBITS), (LED_IRQSENABLED_ON_SETBITS | LED_IRQSENABLED_ON_CLRBITS | LED_IRQSENABLED_OFF_SETBITS | LED_IRQSENABLED_OFF_CLRBITS), (LED_STACKCREATED_ON_SETBITS | LED_STACKCREATED_ON_CLRBITS | LED_STACKCREATED_OFF_SETBITS | LED_STACKCREATED_OFF_CLRBITS), (LED_EVENT_ON_SETBITS | LED_EVENT_ON_CLRBITS | LED_EVENT_OFF_SETBITS | LED_EVENT_OFF_CLRBITS), (LED_IDLE_ON_SETBITS | LED_IDLE_ON_CLRBITS | LED_IDLE_OFF_SETBITS | LED_IDLE_OFF_CLRBITS) }; /**************************************************************************** * Private Functions ****************************************************************************/ static inline void led_clrbits(unsigned int clrbits) { if ((clrbits & OPEN1788_LED1) != 0) { lpc17_gpiowrite(GPIO_LED1, false); } if ((clrbits & OPEN1788_LED2) != 0) { lpc17_gpiowrite(GPIO_LED2, false); } if ((clrbits & OPEN1788_LED3) != 0) { lpc17_gpiowrite(GPIO_LED3, false); } if ((clrbits & OPEN1788_LED4) != 0) { lpc17_gpiowrite(GPIO_LED4, false); } } static inline void led_setbits(unsigned int setbits) { if ((setbits & OPEN1788_LED1) != 0) { lpc17_gpiowrite(GPIO_LED1, true); } if ((setbits & OPEN1788_LED2) != 0) { lpc17_gpiowrite(GPIO_LED2, true); } if ((setbits & OPEN1788_LED3) != 0) { lpc17_gpiowrite(GPIO_LED3, true); } if ((setbits & OPEN1788_LED4) != 0) { lpc17_gpiowrite(GPIO_LED4, true); } } static void led_setonoff(unsigned int bits) { led_clrbits(CLRBITS(bits)); led_setbits(SETBITS(bits)); } /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: board_led_initialize ****************************************************************************/ void board_led_initialize(void) { /* Configure LED1-4 GPIOs for output */ lpc17_configgpio(GPIO_LED1); lpc17_configgpio(GPIO_LED2); lpc17_configgpio(GPIO_LED3); lpc17_configgpio(GPIO_LED4); } /**************************************************************************** * Name: board_led_on ****************************************************************************/ void board_led_on(int led) { led_setonoff(ON_BITS(g_ledbits[led])); } /**************************************************************************** * Name: board_led_off ****************************************************************************/ void board_led_off(int led) { led_setonoff(OFF_BITS(g_ledbits[led])); }