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Add GPIO header file and EFM32 Gecko Starter Kit LED support
This commit is contained in:
Gregory Nutt
@@ -18,10 +18,25 @@ README
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LEDs
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LEDs
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====
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====
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The EFM32 Gecko Start Kithas four yellow LEDs. These LEDs are not used by
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The EFM32 Gecko Start Kit has four yellow LEDs. These LEDs are connected
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the board port unless CONFIG_ARCH_LEDS is defined. In that case, the
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as follows:
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usage by the board port is defined in include/board.h and src/efm32_autoleds.c.
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The LEDs are used to encode OS-related events as follows:
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------------------------------------- --------------------
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EFM32 PIN BOARD SIGNALS
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------------------------------------- --------------------
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C0/USART1_TX#0/PCNT0_S0IN#2/ACMP0_CH0 MCU_PC0 UIF_LED0
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C1/USART1_RX#0/PCNT0_S1IN#2/ACMP0_CH1 MCU_PC1 UIF_LED1
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C2/USART2_TX#0/ACMP0_CH2 MCU_PC2 UIF_LED2
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C3/USART2_RX#0/ACMP0_CH3 MCU_PC3 UIF_LED3
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------------------------------------- --------------------
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All LEDs are grounded and so are illuminated by outputting a high
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value to the LED.
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These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
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defined. In that case, the usage by the board port is defined in
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include/board.h and src/efm32_autoleds.c. The LEDs are used to
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encode OS-related events as follows:
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SYMBOL Meaning LED1* LED2 LED3 LED4
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SYMBOL Meaning LED1* LED2 LED3 LED4
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----------------- ----------------------- ------ ----- ----- ------
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----------------- ----------------------- ------ ----- ----- ------
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@@ -37,6 +37,12 @@
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CSRCS = efm32_boot.c
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CSRCS = efm32_boot.c
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ifeq ($(CONFIG_ARCH_LEDS),y)
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CSRCS += efm32_autoleds.c
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else
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CSRCS += efm32_userleds.c
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endif
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COBJS = $(CSRCS:.c=$(OBJEXT))
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COBJS = $(CSRCS:.c=$(OBJEXT))
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SRCS = $(ASRCS) $(CSRCS)
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SRCS = $(ASRCS) $(CSRCS)
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OBJS = $(AOBJS) $(COBJS)
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OBJS = $(AOBJS) $(COBJS)
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@@ -40,6 +40,37 @@
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* Included Files
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* Included Files
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****************************************************************************/
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****************************************************************************/
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* LEDs
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*
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* The EFM32 Gecko Start Kit has four yellow LEDs. These LEDs are connected
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* as follows:
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*
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* ------------------------------------- --------------------
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* EFM32 PIN BOARD SIGNALS
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* ------------------------------------- --------------------
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* C0/USART1_TX#0/PCNT0_S0IN#2/ACMP0_CH0 MCU_PC0 UIF_LED0
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* C1/USART1_RX#0/PCNT0_S1IN#2/ACMP0_CH1 MCU_PC1 UIF_LED1
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* C2/USART2_TX#0/ACMP0_CH2 MCU_PC2 UIF_LED2
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* C3/USART2_RX#0/ACMP0_CH3 MCU_PC3 UIF_LED3
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* ------------------------------------- --------------------
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*
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* All LEDs are grounded and so are illuminated by outputting a high
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* value to the LED.
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*/
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#define GPIO_LED1 (GPIO_OUTPUT_WIREDOR_PULLDOWN|\
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GPIO_OUTPUT_CLEAR|GPIO_PORTC|GPIO_PIN0)
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#define GPIO_LED2 (GPIO_OUTPUT_WIREDOR_PULLDOWN|\
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GPIO_OUTPUT_CLEAR|GPIO_PORTC|GPIO_PIN1)
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#define GPIO_LED3 (GPIO_OUTPUT_WIREDOR_PULLDOWN|\
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GPIO_OUTPUT_CLEAR|GPIO_PORTC|GPIO_PIN2)
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#define GPIO_LED4 (GPIO_OUTPUT_WIREDOR_PULLDOWN|\
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GPIO_OUTPUT_CLEAR|GPIO_PORTC|GPIO_PIN3)
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/****************************************************************************
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/****************************************************************************
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* Public Function Prototypes
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* Public Function Prototypes
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****************************************************************************/
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****************************************************************************/
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@@ -0,0 +1,258 @@
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/****************************************************************************
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* configs/efm32-g8xx-stk/src/efm32_autoleds.c
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*
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* Copyright (C) 2014 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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 <arch/board/board.h>
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#include "chip.h"
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#include "up_arch.h"
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#include "up_internal.h"
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#include "efm32_gpio.h"
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#include "efm32-g8xx-stk.h"
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#ifdef CONFIG_ARCH_LEDS
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/* CONFIG_DEBUG_LEDS enables debug output from this file (needs CONFIG_DEBUG
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* with CONFIG_DEBUG_VERBOSE too)
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*/
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#ifdef CONFIG_DEBUG_LEDS
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# define leddbg lldbg
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# define ledvdbg llvdbg
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#else
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# define leddbg(x...)
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# define ledvdbg(x...)
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#endif
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/* The following definitions map the encoded LED setting to GPIO settings */
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#define EFM32F4_LED1 (1 << 0)
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#define EFM32F4_LED2 (1 << 1)
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#define EFM32F4_LED3 (1 << 2)
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#define EFM32F4_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 ((EFM32F4_LED1) << ON_SETBITS_SHIFT)
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#define LED_STARTED_ON_CLRBITS ((EFM32F4_LED2|EFM32F4_LED3|EFM32F4_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 ((EFM32F4_LED1|EFM32F4_LED2|EFM32F4_LED3|EFM32F4_LED4) << OFF_CLRBITS_SHIFT)
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#define LED_HEAPALLOCATE_ON_SETBITS ((EFM32F4_LED2) << ON_SETBITS_SHIFT)
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#define LED_HEAPALLOCATE_ON_CLRBITS ((EFM32F4_LED1|EFM32F4_LED3|EFM32F4_LED4) << ON_CLRBITS_SHIFT)
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#define LED_HEAPALLOCATE_OFF_SETBITS ((EFM32F4_LED1) << OFF_SETBITS_SHIFT)
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#define LED_HEAPALLOCATE_OFF_CLRBITS ((EFM32F4_LED2|EFM32F4_LED3|EFM32F4_LED4) << OFF_CLRBITS_SHIFT)
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#define LED_IRQSENABLED_ON_SETBITS ((EFM32F4_LED1|EFM32F4_LED2) << ON_SETBITS_SHIFT)
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#define LED_IRQSENABLED_ON_CLRBITS ((EFM32F4_LED3|EFM32F4_LED4) << ON_CLRBITS_SHIFT)
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#define LED_IRQSENABLED_OFF_SETBITS ((EFM32F4_LED2) << OFF_SETBITS_SHIFT)
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#define LED_IRQSENABLED_OFF_CLRBITS ((EFM32F4_LED1|EFM32F4_LED3|EFM32F4_LED4) << OFF_CLRBITS_SHIFT)
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#define LED_STACKCREATED_ON_SETBITS ((EFM32F4_LED3) << ON_SETBITS_SHIFT)
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#define LED_STACKCREATED_ON_CLRBITS ((EFM32F4_LED1|EFM32F4_LED2|EFM32F4_LED4) << ON_CLRBITS_SHIFT)
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#define LED_STACKCREATED_OFF_SETBITS ((EFM32F4_LED1|EFM32F4_LED2) << OFF_SETBITS_SHIFT)
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#define LED_STACKCREATED_OFF_CLRBITS ((EFM32F4_LED3|EFM32F4_LED4) << OFF_CLRBITS_SHIFT)
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#define LED_INIRQ_ON_SETBITS ((EFM32F4_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 ((EFM32F4_LED1) << OFF_CLRBITS_SHIFT)
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#define LED_SIGNAL_ON_SETBITS ((EFM32F4_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 ((EFM32F4_LED2) << OFF_CLRBITS_SHIFT)
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#define LED_ASSERTION_ON_SETBITS ((EFM32F4_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 ((EFM32F4_LED4) << OFF_CLRBITS_SHIFT)
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#define LED_PANIC_ON_SETBITS ((EFM32F4_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 ((EFM32F4_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 & EFM32F4_LED1) != 0)
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|
{
|
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efm32_gpiowrite(GPIO_LED1, false);
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|
}
|
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if ((clrbits & EFM32F4_LED2) != 0)
|
||||||
|
{
|
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|
efm32_gpiowrite(GPIO_LED2, false);
|
||||||
|
}
|
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|
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|
if ((clrbits & EFM32F4_LED3) != 0)
|
||||||
|
{
|
||||||
|
efm32_gpiowrite(GPIO_LED3, false);
|
||||||
|
}
|
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|
||||||
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if ((clrbits & EFM32F4_LED4) != 0)
|
||||||
|
{
|
||||||
|
efm32_gpiowrite(GPIO_LED4, false);
|
||||||
|
}
|
||||||
|
}
|
||||||
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|
||||||
|
static inline void led_setbits(unsigned int setbits)
|
||||||
|
{
|
||||||
|
if ((setbits & EFM32F4_LED1) != 0)
|
||||||
|
{
|
||||||
|
efm32_gpiowrite(GPIO_LED1, true);
|
||||||
|
}
|
||||||
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|
||||||
|
if ((setbits & EFM32F4_LED2) != 0)
|
||||||
|
{
|
||||||
|
efm32_gpiowrite(GPIO_LED2, true);
|
||||||
|
}
|
||||||
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|
||||||
|
if ((setbits & EFM32F4_LED3) != 0)
|
||||||
|
{
|
||||||
|
efm32_gpiowrite(GPIO_LED3, true);
|
||||||
|
}
|
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|
||||||
|
if ((setbits & EFM32F4_LED4) != 0)
|
||||||
|
{
|
||||||
|
efm32_gpiowrite(GPIO_LED4, true);
|
||||||
|
}
|
||||||
|
}
|
||||||
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|
||||||
|
static void led_setonoff(unsigned int bits)
|
||||||
|
{
|
||||||
|
led_clrbits(CLRBITS(bits));
|
||||||
|
led_setbits(SETBITS(bits));
|
||||||
|
}
|
||||||
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|
||||||
|
/****************************************************************************
|
||||||
|
* Public Functions
|
||||||
|
****************************************************************************/
|
||||||
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||||||
|
/****************************************************************************
|
||||||
|
* Name: board_led_initialize
|
||||||
|
****************************************************************************/
|
||||||
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|
||||||
|
void board_led_initialize(void)
|
||||||
|
{
|
||||||
|
/* Configure LED1-4 GPIOs for output */
|
||||||
|
|
||||||
|
efm32_configgpio(GPIO_LED1);
|
||||||
|
efm32_configgpio(GPIO_LED2);
|
||||||
|
efm32_configgpio(GPIO_LED3);
|
||||||
|
efm32_configgpio(GPIO_LED4);
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: board_led_on
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
void board_led_on(int led)
|
||||||
|
{
|
||||||
|
led_setonoff(ON_BITS(g_ledbits[led]));
|
||||||
|
}
|
||||||
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|
||||||
|
/****************************************************************************
|
||||||
|
* Name: board_led_off
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
void board_led_off(int led)
|
||||||
|
{
|
||||||
|
led_setonoff(OFF_BITS(g_ledbits[led]));
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* CONFIG_ARCH_LEDS */
|
||||||
@@ -0,0 +1,245 @@
|
|||||||
|
/****************************************************************************
|
||||||
|
* configs/efm32-g8xx-stk/src/efm32_userleds.c
|
||||||
|
*
|
||||||
|
* Copyright (C) 2014 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 <arch/board/board.h>
|
||||||
|
#include <nuttx/power/pm.h>
|
||||||
|
|
||||||
|
#include "chip.h"
|
||||||
|
#include "up_arch.h"
|
||||||
|
#include "up_internal.h"
|
||||||
|
|
||||||
|
#include "efm32_gpio.h"
|
||||||
|
#include "efm32-g8xx-stk.h"
|
||||||
|
|
||||||
|
#ifndef CONFIG_ARCH_LEDS
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* 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
|
||||||
|
****************************************************************************/
|
||||||
|
/* This array maps an LED number to GPIO pin configuration */
|
||||||
|
|
||||||
|
static gpio_pinset_t g_ledcfg[BOARD_NLEDS] =
|
||||||
|
{
|
||||||
|
GPIO_LED1, GPIO_LED2, GPIO_LED3, GPIO_LED4
|
||||||
|
};
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Function Protototypes
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/* LED Power Management */
|
||||||
|
|
||||||
|
#ifdef CONFIG_PM
|
||||||
|
static void led_pm_notify(struct pm_callback_s *cb, enum pm_state_e pmstate);
|
||||||
|
static int led_pm_prepare(struct pm_callback_s *cb, enum pm_state_e pmstate);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Data
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#ifdef CONFIG_PM
|
||||||
|
static struct pm_callback_s g_ledscb =
|
||||||
|
{
|
||||||
|
.notify = led_pm_notify,
|
||||||
|
.prepare = led_pm_prepare,
|
||||||
|
};
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Functions
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: led_pm_notify
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Notify the driver of new power state. This callback is called after
|
||||||
|
* all drivers have had the opportunity to prepare for the new power state.
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#ifdef CONFIG_PM
|
||||||
|
static void led_pm_notify(struct pm_callback_s *cb , enum pm_state_e pmstate)
|
||||||
|
{
|
||||||
|
switch (pmstate)
|
||||||
|
{
|
||||||
|
case(PM_NORMAL):
|
||||||
|
{
|
||||||
|
/* Restore normal LEDs operation */
|
||||||
|
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case(PM_IDLE):
|
||||||
|
{
|
||||||
|
/* Entering IDLE mode - Turn leds off */
|
||||||
|
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case(PM_STANDBY):
|
||||||
|
{
|
||||||
|
/* Entering STANDBY mode - Logic for PM_STANDBY goes here */
|
||||||
|
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case(PM_SLEEP):
|
||||||
|
{
|
||||||
|
/* Entering SLEEP mode - Logic for PM_SLEEP goes here */
|
||||||
|
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
{
|
||||||
|
/* Should not get here */
|
||||||
|
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: led_pm_prepare
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Request the driver to prepare for a new power state. This is a warning
|
||||||
|
* that the system is about to enter into a new power state. The driver
|
||||||
|
* should begin whatever operations that may be required to enter power
|
||||||
|
* state. The driver may abort the state change mode by returning a
|
||||||
|
* non-zero value from the callback function.
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#ifdef CONFIG_PM
|
||||||
|
static int led_pm_prepare(struct pm_callback_s *cb , enum pm_state_e pmstate)
|
||||||
|
{
|
||||||
|
/* No preparation to change power modes is required by the LEDs driver.
|
||||||
|
* We always accept the state change by returning OK.
|
||||||
|
*/
|
||||||
|
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Public Functions
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: efm32_ledinit
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
void efm32_ledinit(void)
|
||||||
|
{
|
||||||
|
/* Configure LED1-4 GPIOs for output */
|
||||||
|
|
||||||
|
efm32_configgpio(GPIO_LED1);
|
||||||
|
efm32_configgpio(GPIO_LED2);
|
||||||
|
efm32_configgpio(GPIO_LED3);
|
||||||
|
efm32_configgpio(GPIO_LED4);
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: efm32_setled
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
void efm32_setled(int led, bool ledon)
|
||||||
|
{
|
||||||
|
if ((unsigned)led < BOARD_NLEDS)
|
||||||
|
{
|
||||||
|
efm32_gpiowrite(g_ledcfg[led], ledon);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: efm32_setleds
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
void efm32_setleds(uint8_t ledset)
|
||||||
|
{
|
||||||
|
efm32_gpiowrite(GPIO_LED1, (ledset & BOARD_LED1_BIT) == 0);
|
||||||
|
efm32_gpiowrite(GPIO_LED2, (ledset & BOARD_LED2_BIT) == 0);
|
||||||
|
efm32_gpiowrite(GPIO_LED3, (ledset & BOARD_LED3_BIT) == 0);
|
||||||
|
efm32_gpiowrite(GPIO_LED4, (ledset & BOARD_LED4_BIT) == 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: efm32_led_pminitialize
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#ifdef CONFIG_PM
|
||||||
|
void efm32_led_pminitialize(void)
|
||||||
|
{
|
||||||
|
/* Register to receive power management callbacks */
|
||||||
|
|
||||||
|
int ret = pm_register(&g_ledscb);
|
||||||
|
if (ret != OK)
|
||||||
|
{
|
||||||
|
board_led_on(LED_ASSERTION);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif /* CONFIG_PM */
|
||||||
|
|
||||||
|
#endif /* !CONFIG_ARCH_LEDS */
|
||||||
Reference in New Issue
Block a user