diff options
Diffstat (limited to 'nuttx/configs/trifle/src/up_leds.c')
| -rw-r--r-- | nuttx/configs/trifle/src/up_leds.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/nuttx/configs/trifle/src/up_leds.c b/nuttx/configs/trifle/src/up_leds.c new file mode 100644 index 000000000..826757b2a --- /dev/null +++ b/nuttx/configs/trifle/src/up_leds.c @@ -0,0 +1,195 @@ +/**************************************************************************** + * configs/kwikstik-k40/src/up_leds.c + * arch/arm/src/board/up_leds.c + * + * Copyright (C) 2011, 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 <stdbool.h> +#include <debug.h> +#include "up_internal.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 + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: board_led_initialize + * + * Description: + * Initialize LED GPIOs so that LEDs can be controlled. + * + ****************************************************************************/ + +#include "kinetis_internal.h" + +#ifdef CONFIG_ARCH_LEDS + +#define GPIO_LED0 (PIN_PORTC | PIN5 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE) +#define GPIO_LED1 (PIN_PORTD | PIN1 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE) +#define GPIO_LED2 (PIN_PORTC | PIN0 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE) +#define GPIO_LED3 (PIN_PORTB | PIN0 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE) +#define GPIO_LED4 (PIN_PORTB | PIN1 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE) +#define GPIO_LED5 (PIN_PORTB | PIN3 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE) +#define GPIO_LED6 (PIN_PORTB | PIN2 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE) +#define GPIO_LED7 (PIN_PORTD | PIN5 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE) +#define GPIO_LED8 (PIN_PORTD | PIN6 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE) + +/* Delay used to blink all leds once (to verify that system is up) */ +#define LED_DELAY_LOOPS 1000000 + +static void set_led(int led, bool value) +{ + switch(led) { + case LED_STARTED: + kinetis_gpiowrite(GPIO_LED0, value); + break; + case LED_HEAPALLOCATE: + kinetis_gpiowrite(GPIO_LED1, value); + break; + case LED_IRQSENABLED: + kinetis_gpiowrite(GPIO_LED2, value); + break; + case LED_STACKCREATED: + kinetis_gpiowrite(GPIO_LED3, value); + break; + case LED_INIRQ: + kinetis_gpiowrite(GPIO_LED4, value); + break; + case LED_SIGNAL: + kinetis_gpiowrite(GPIO_LED5, value); + break; + case LED_ASSERTION: + kinetis_gpiowrite(GPIO_LED6, value); + break; + case LED_PANIC: + kinetis_gpiowrite(GPIO_LED7, value); + break; + default: + kinetis_gpiowrite(GPIO_LED8, value); + break; + } +} + +void board_led_initialize(void) +{ + volatile unsigned long counter = 0; + + kinetis_pinconfig(GPIO_LED0); + kinetis_pinconfig(GPIO_LED1); + kinetis_pinconfig(GPIO_LED2); + kinetis_pinconfig(GPIO_LED3); + kinetis_pinconfig(GPIO_LED4); + kinetis_pinconfig(GPIO_LED5); + kinetis_pinconfig(GPIO_LED6); + kinetis_pinconfig(GPIO_LED7); + kinetis_pinconfig(GPIO_LED8); + + set_led(LED_STARTED, true); + set_led(LED_HEAPALLOCATE, true); + set_led(LED_IRQSENABLED, true); + set_led(LED_STACKCREATED, true); + set_led(LED_INIRQ, true); + set_led(LED_SIGNAL, true); + set_led(LED_ASSERTION, true); + set_led(LED_PANIC, true); + kinetis_gpiowrite(GPIO_LED8, true); + + counter = 0; + while(counter < LED_DELAY_LOOPS) { + ++counter; + } + + set_led(LED_HEAPALLOCATE, false); + set_led(LED_IRQSENABLED, false); + set_led(LED_STACKCREATED, false); + set_led(LED_INIRQ, false); + set_led(LED_SIGNAL, false); + set_led(LED_ASSERTION, false); + set_led(LED_PANIC, false); + kinetis_gpiowrite(GPIO_LED8, false); + + counter = 0; + while(counter < LED_DELAY_LOOPS) { + ++counter; + } +} + +/**************************************************************************** + * Name: board_led_on + ****************************************************************************/ + +void board_led_on(int led) +{ + set_led(led, true); +} + +/**************************************************************************** + * Name: board_led_off + ****************************************************************************/ + +void board_led_off(int led) +{ + set_led(led, false); +} + +#endif /* CONFIG_ARCH_LEDS */ |