231 lines
8.1 KiB
C
231 lines
8.1 KiB
C
/****************************************************************************
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* boards/arm/stm32/stm3240g-eval/src/stm32_autoleds.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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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 <nuttx/board.h>
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#include <arch/board/board.h>
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#include "chip.h"
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#include "arm_internal.h"
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#include "stm32.h"
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#include "stm3240g-eval.h"
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#ifdef CONFIG_ARCH_LEDS
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* The following definitions map the encoded LED setting to GPIO settings */
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#define STM3210E_LED1 (1 << 0)
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#define STM3210E_LED2 (1 << 1)
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#define STM3210E_LED3 (1 << 2)
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#define STM3210E_LED4 (1 << 3)
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#define ON_SETBITS_SHIFT (0)
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#define ON_CLRBITS_SHIFT (4)
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#define OFF_SETBITS_SHIFT (8)
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#define OFF_CLRBITS_SHIFT (12)
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#define ON_BITS(v) ((v) & 0xff)
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#define OFF_BITS(v) (((v) >> 8) & 0x0ff)
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#define SETBITS(b) ((b) & 0x0f)
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#define CLRBITS(b) (((b) >> 4) & 0x0f)
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#define ON_SETBITS(v) (SETBITS(ON_BITS(v))
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#define ON_CLRBITS(v) (CLRBITS(ON_BITS(v))
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#define OFF_SETBITS(v) (SETBITS(OFF_BITS(v))
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#define OFF_CLRBITS(v) (CLRBITS(OFF_BITS(v))
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#define LED_STARTED_ON_SETBITS ((STM3210E_LED1) << ON_SETBITS_SHIFT)
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#define LED_STARTED_ON_CLRBITS ((STM3210E_LED2|STM3210E_LED3|STM3210E_LED4) << ON_CLRBITS_SHIFT)
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#define LED_STARTED_OFF_SETBITS (0 << OFF_SETBITS_SHIFT)
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#define LED_STARTED_OFF_CLRBITS ((STM3210E_LED1|STM3210E_LED2|STM3210E_LED3|STM3210E_LED4) << OFF_CLRBITS_SHIFT)
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#define LED_HEAPALLOCATE_ON_SETBITS ((STM3210E_LED2) << ON_SETBITS_SHIFT)
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#define LED_HEAPALLOCATE_ON_CLRBITS ((STM3210E_LED1|STM3210E_LED3|STM3210E_LED4) << ON_CLRBITS_SHIFT)
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#define LED_HEAPALLOCATE_OFF_SETBITS ((STM3210E_LED1) << OFF_SETBITS_SHIFT)
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#define LED_HEAPALLOCATE_OFF_CLRBITS ((STM3210E_LED2|STM3210E_LED3|STM3210E_LED4) << OFF_CLRBITS_SHIFT)
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#define LED_IRQSENABLED_ON_SETBITS ((STM3210E_LED1|STM3210E_LED2) << ON_SETBITS_SHIFT)
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#define LED_IRQSENABLED_ON_CLRBITS ((STM3210E_LED3|STM3210E_LED4) << ON_CLRBITS_SHIFT)
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#define LED_IRQSENABLED_OFF_SETBITS ((STM3210E_LED2) << OFF_SETBITS_SHIFT)
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#define LED_IRQSENABLED_OFF_CLRBITS ((STM3210E_LED1|STM3210E_LED3|STM3210E_LED4) << OFF_CLRBITS_SHIFT)
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#define LED_STACKCREATED_ON_SETBITS ((STM3210E_LED3) << ON_SETBITS_SHIFT)
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#define LED_STACKCREATED_ON_CLRBITS ((STM3210E_LED1|STM3210E_LED2|STM3210E_LED4) << ON_CLRBITS_SHIFT)
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#define LED_STACKCREATED_OFF_SETBITS ((STM3210E_LED1|STM3210E_LED2) << OFF_SETBITS_SHIFT)
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#define LED_STACKCREATED_OFF_CLRBITS ((STM3210E_LED3|STM3210E_LED4) << OFF_CLRBITS_SHIFT)
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#define LED_INIRQ_ON_SETBITS ((STM3210E_LED1) << ON_SETBITS_SHIFT)
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#define LED_INIRQ_ON_CLRBITS ((0) << ON_CLRBITS_SHIFT)
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#define LED_INIRQ_OFF_SETBITS ((0) << OFF_SETBITS_SHIFT)
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#define LED_INIRQ_OFF_CLRBITS ((STM3210E_LED1) << OFF_CLRBITS_SHIFT)
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#define LED_SIGNAL_ON_SETBITS ((STM3210E_LED2) << ON_SETBITS_SHIFT)
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#define LED_SIGNAL_ON_CLRBITS ((0) << ON_CLRBITS_SHIFT)
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#define LED_SIGNAL_OFF_SETBITS ((0) << OFF_SETBITS_SHIFT)
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#define LED_SIGNAL_OFF_CLRBITS ((STM3210E_LED2) << OFF_CLRBITS_SHIFT)
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#define LED_ASSERTION_ON_SETBITS ((STM3210E_LED4) << ON_SETBITS_SHIFT)
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#define LED_ASSERTION_ON_CLRBITS ((0) << ON_CLRBITS_SHIFT)
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#define LED_ASSERTION_OFF_SETBITS ((0) << OFF_SETBITS_SHIFT)
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#define LED_ASSERTION_OFF_CLRBITS ((STM3210E_LED4) << OFF_CLRBITS_SHIFT)
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#define LED_PANIC_ON_SETBITS ((STM3210E_LED4) << ON_SETBITS_SHIFT)
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#define LED_PANIC_ON_CLRBITS ((0) << ON_CLRBITS_SHIFT)
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#define LED_PANIC_OFF_SETBITS ((0) << OFF_SETBITS_SHIFT)
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#define LED_PANIC_OFF_CLRBITS ((STM3210E_LED4) << OFF_CLRBITS_SHIFT)
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static const uint16_t g_ledbits[8] =
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{
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(LED_STARTED_ON_SETBITS | LED_STARTED_ON_CLRBITS |
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LED_STARTED_OFF_SETBITS | LED_STARTED_OFF_CLRBITS),
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(LED_HEAPALLOCATE_ON_SETBITS | LED_HEAPALLOCATE_ON_CLRBITS |
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LED_HEAPALLOCATE_OFF_SETBITS | LED_HEAPALLOCATE_OFF_CLRBITS),
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(LED_IRQSENABLED_ON_SETBITS | LED_IRQSENABLED_ON_CLRBITS |
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LED_IRQSENABLED_OFF_SETBITS | LED_IRQSENABLED_OFF_CLRBITS),
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(LED_STACKCREATED_ON_SETBITS | LED_STACKCREATED_ON_CLRBITS |
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LED_STACKCREATED_OFF_SETBITS | LED_STACKCREATED_OFF_CLRBITS),
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(LED_INIRQ_ON_SETBITS | LED_INIRQ_ON_CLRBITS |
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LED_INIRQ_OFF_SETBITS | LED_INIRQ_OFF_CLRBITS),
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(LED_SIGNAL_ON_SETBITS | LED_SIGNAL_ON_CLRBITS |
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LED_SIGNAL_OFF_SETBITS | LED_SIGNAL_OFF_CLRBITS),
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(LED_ASSERTION_ON_SETBITS | LED_ASSERTION_ON_CLRBITS |
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LED_ASSERTION_OFF_SETBITS | LED_ASSERTION_OFF_CLRBITS),
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(LED_PANIC_ON_SETBITS | LED_PANIC_ON_CLRBITS |
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LED_PANIC_OFF_SETBITS | LED_PANIC_OFF_CLRBITS)
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static inline void led_clrbits(unsigned int clrbits)
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{
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if ((clrbits & STM3210E_LED1) != 0)
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{
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stm32_gpiowrite(GPIO_LED1, false);
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}
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if ((clrbits & STM3210E_LED2) != 0)
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{
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stm32_gpiowrite(GPIO_LED2, false);
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}
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if ((clrbits & STM3210E_LED3) != 0)
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{
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stm32_gpiowrite(GPIO_LED3, false);
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}
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if ((clrbits & STM3210E_LED4) != 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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static inline void led_setbits(unsigned int setbits)
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{
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if ((setbits & STM3210E_LED1) != 0)
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{
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stm32_gpiowrite(GPIO_LED1, true);
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}
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if ((setbits & STM3210E_LED2) != 0)
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{
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stm32_gpiowrite(GPIO_LED2, true);
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}
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if ((setbits & STM3210E_LED3) != 0)
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{
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stm32_gpiowrite(GPIO_LED3, true);
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}
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if ((setbits & STM3210E_LED4) != 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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static void led_setonoff(unsigned int bits)
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{
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led_clrbits(CLRBITS(bits));
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led_setbits(SETBITS(bits));
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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_led_initialize
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****************************************************************************/
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void stm32_led_initialize(void)
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{
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/* Configure LED1-4 GPIOs for output */
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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_autoled_on
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****************************************************************************/
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void board_autoled_on(int led)
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{
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led_setonoff(ON_BITS(g_ledbits[led]));
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}
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/****************************************************************************
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* Name: board_autoled_off
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****************************************************************************/
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void board_autoled_off(int led)
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{
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led_setonoff(OFF_BITS(g_ledbits[led]));
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}
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#endif /* CONFIG_ARCH_LEDS */
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