Add GPIO header file and EFM32 Gecko Starter Kit LED support
This commit is contained in:
parent
cee68cc44e
commit
fcdc23a6a7
@ -18,10 +18,25 @@ README
|
||||
LEDs
|
||||
====
|
||||
|
||||
The EFM32 Gecko Start Kithas four yellow LEDs. These LEDs are not used by
|
||||
the board port unless CONFIG_ARCH_LEDS is defined. In that case, the
|
||||
usage by the board port is defined in include/board.h and src/efm32_autoleds.c.
|
||||
The LEDs are used to encode OS-related events as follows:
|
||||
The EFM32 Gecko Start Kit has four yellow LEDs. These LEDs are connected
|
||||
as follows:
|
||||
|
||||
------------------------------------- --------------------
|
||||
EFM32 PIN BOARD SIGNALS
|
||||
------------------------------------- --------------------
|
||||
C0/USART1_TX#0/PCNT0_S0IN#2/ACMP0_CH0 MCU_PC0 UIF_LED0
|
||||
C1/USART1_RX#0/PCNT0_S1IN#2/ACMP0_CH1 MCU_PC1 UIF_LED1
|
||||
C2/USART2_TX#0/ACMP0_CH2 MCU_PC2 UIF_LED2
|
||||
C3/USART2_RX#0/ACMP0_CH3 MCU_PC3 UIF_LED3
|
||||
------------------------------------- --------------------
|
||||
|
||||
All LEDs are grounded and so are illuminated by outputting a high
|
||||
value to the LED.
|
||||
|
||||
These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
|
||||
defined. In that case, the usage by the board port is defined in
|
||||
include/board.h and src/efm32_autoleds.c. The LEDs are used to
|
||||
encode OS-related events as follows:
|
||||
|
||||
SYMBOL Meaning LED1* LED2 LED3 LED4
|
||||
----------------- ----------------------- ------ ----- ----- ------
|
||||
|
@ -37,6 +37,12 @@
|
||||
|
||||
CSRCS = efm32_boot.c
|
||||
|
||||
ifeq ($(CONFIG_ARCH_LEDS),y)
|
||||
CSRCS += efm32_autoleds.c
|
||||
else
|
||||
CSRCS += efm32_userleds.c
|
||||
endif
|
||||
|
||||
COBJS = $(CSRCS:.c=$(OBJEXT))
|
||||
SRCS = $(ASRCS) $(CSRCS)
|
||||
OBJS = $(AOBJS) $(COBJS)
|
||||
|
@ -40,6 +40,37 @@
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* LEDs
|
||||
*
|
||||
* The EFM32 Gecko Start Kit has four yellow LEDs. These LEDs are connected
|
||||
* as follows:
|
||||
*
|
||||
* ------------------------------------- --------------------
|
||||
* EFM32 PIN BOARD SIGNALS
|
||||
* ------------------------------------- --------------------
|
||||
* C0/USART1_TX#0/PCNT0_S0IN#2/ACMP0_CH0 MCU_PC0 UIF_LED0
|
||||
* C1/USART1_RX#0/PCNT0_S1IN#2/ACMP0_CH1 MCU_PC1 UIF_LED1
|
||||
* C2/USART2_TX#0/ACMP0_CH2 MCU_PC2 UIF_LED2
|
||||
* C3/USART2_RX#0/ACMP0_CH3 MCU_PC3 UIF_LED3
|
||||
* ------------------------------------- --------------------
|
||||
*
|
||||
* All LEDs are grounded and so are illuminated by outputting a high
|
||||
* value to the LED.
|
||||
*/
|
||||
|
||||
#define GPIO_LED1 (GPIO_OUTPUT_WIREDOR_PULLDOWN|\
|
||||
GPIO_OUTPUT_CLEAR|GPIO_PORTC|GPIO_PIN0)
|
||||
#define GPIO_LED2 (GPIO_OUTPUT_WIREDOR_PULLDOWN|\
|
||||
GPIO_OUTPUT_CLEAR|GPIO_PORTC|GPIO_PIN1)
|
||||
#define GPIO_LED3 (GPIO_OUTPUT_WIREDOR_PULLDOWN|\
|
||||
GPIO_OUTPUT_CLEAR|GPIO_PORTC|GPIO_PIN2)
|
||||
#define GPIO_LED4 (GPIO_OUTPUT_WIREDOR_PULLDOWN|\
|
||||
GPIO_OUTPUT_CLEAR|GPIO_PORTC|GPIO_PIN3)
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
258
configs/efm32-g8xx-stk/src/efm32_autoleds.c
Normal file
258
configs/efm32-g8xx-stk/src/efm32_autoleds.c
Normal file
@ -0,0 +1,258 @@
|
||||
/****************************************************************************
|
||||
* configs/efm32-g8xx-stk/src/efm32_autoleds.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 "chip.h"
|
||||
#include "up_arch.h"
|
||||
#include "up_internal.h"
|
||||
|
||||
#include "efm32_gpio.h"
|
||||
#include "efm32-g8xx-stk.h"
|
||||
|
||||
#ifdef 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
|
||||
|
||||
/* The following definitions map the encoded LED setting to GPIO settings */
|
||||
|
||||
#define EFM32F4_LED1 (1 << 0)
|
||||
#define EFM32F4_LED2 (1 << 1)
|
||||
#define EFM32F4_LED3 (1 << 2)
|
||||
#define EFM32F4_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 ((EFM32F4_LED1) << ON_SETBITS_SHIFT)
|
||||
#define LED_STARTED_ON_CLRBITS ((EFM32F4_LED2|EFM32F4_LED3|EFM32F4_LED4) << ON_CLRBITS_SHIFT)
|
||||
#define LED_STARTED_OFF_SETBITS (0 << OFF_SETBITS_SHIFT)
|
||||
#define LED_STARTED_OFF_CLRBITS ((EFM32F4_LED1|EFM32F4_LED2|EFM32F4_LED3|EFM32F4_LED4) << OFF_CLRBITS_SHIFT)
|
||||
|
||||
#define LED_HEAPALLOCATE_ON_SETBITS ((EFM32F4_LED2) << ON_SETBITS_SHIFT)
|
||||
#define LED_HEAPALLOCATE_ON_CLRBITS ((EFM32F4_LED1|EFM32F4_LED3|EFM32F4_LED4) << ON_CLRBITS_SHIFT)
|
||||
#define LED_HEAPALLOCATE_OFF_SETBITS ((EFM32F4_LED1) << OFF_SETBITS_SHIFT)
|
||||
#define LED_HEAPALLOCATE_OFF_CLRBITS ((EFM32F4_LED2|EFM32F4_LED3|EFM32F4_LED4) << OFF_CLRBITS_SHIFT)
|
||||
|
||||
#define LED_IRQSENABLED_ON_SETBITS ((EFM32F4_LED1|EFM32F4_LED2) << ON_SETBITS_SHIFT)
|
||||
#define LED_IRQSENABLED_ON_CLRBITS ((EFM32F4_LED3|EFM32F4_LED4) << ON_CLRBITS_SHIFT)
|
||||
#define LED_IRQSENABLED_OFF_SETBITS ((EFM32F4_LED2) << OFF_SETBITS_SHIFT)
|
||||
#define LED_IRQSENABLED_OFF_CLRBITS ((EFM32F4_LED1|EFM32F4_LED3|EFM32F4_LED4) << OFF_CLRBITS_SHIFT)
|
||||
|
||||
#define LED_STACKCREATED_ON_SETBITS ((EFM32F4_LED3) << ON_SETBITS_SHIFT)
|
||||
#define LED_STACKCREATED_ON_CLRBITS ((EFM32F4_LED1|EFM32F4_LED2|EFM32F4_LED4) << ON_CLRBITS_SHIFT)
|
||||
#define LED_STACKCREATED_OFF_SETBITS ((EFM32F4_LED1|EFM32F4_LED2) << OFF_SETBITS_SHIFT)
|
||||
#define LED_STACKCREATED_OFF_CLRBITS ((EFM32F4_LED3|EFM32F4_LED4) << OFF_CLRBITS_SHIFT)
|
||||
|
||||
#define LED_INIRQ_ON_SETBITS ((EFM32F4_LED1) << ON_SETBITS_SHIFT)
|
||||
#define LED_INIRQ_ON_CLRBITS ((0) << ON_CLRBITS_SHIFT)
|
||||
#define LED_INIRQ_OFF_SETBITS ((0) << OFF_SETBITS_SHIFT)
|
||||
#define LED_INIRQ_OFF_CLRBITS ((EFM32F4_LED1) << OFF_CLRBITS_SHIFT)
|
||||
|
||||
#define LED_SIGNAL_ON_SETBITS ((EFM32F4_LED2) << ON_SETBITS_SHIFT)
|
||||
#define LED_SIGNAL_ON_CLRBITS ((0) << ON_CLRBITS_SHIFT)
|
||||
#define LED_SIGNAL_OFF_SETBITS ((0) << OFF_SETBITS_SHIFT)
|
||||
#define LED_SIGNAL_OFF_CLRBITS ((EFM32F4_LED2) << OFF_CLRBITS_SHIFT)
|
||||
|
||||
#define LED_ASSERTION_ON_SETBITS ((EFM32F4_LED4) << ON_SETBITS_SHIFT)
|
||||
#define LED_ASSERTION_ON_CLRBITS ((0) << ON_CLRBITS_SHIFT)
|
||||
#define LED_ASSERTION_OFF_SETBITS ((0) << OFF_SETBITS_SHIFT)
|
||||
#define LED_ASSERTION_OFF_CLRBITS ((EFM32F4_LED4) << OFF_CLRBITS_SHIFT)
|
||||
|
||||
#define LED_PANIC_ON_SETBITS ((EFM32F4_LED4) << ON_SETBITS_SHIFT)
|
||||
#define LED_PANIC_ON_CLRBITS ((0) << ON_CLRBITS_SHIFT)
|
||||
#define LED_PANIC_OFF_SETBITS ((0) << OFF_SETBITS_SHIFT)
|
||||
#define LED_PANIC_OFF_CLRBITS ((EFM32F4_LED4) << OFF_CLRBITS_SHIFT)
|
||||
|
||||
/****************************************************************************
|
||||
* 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_INIRQ_ON_SETBITS | LED_INIRQ_ON_CLRBITS |
|
||||
LED_INIRQ_OFF_SETBITS | LED_INIRQ_OFF_CLRBITS),
|
||||
|
||||
(LED_SIGNAL_ON_SETBITS | LED_SIGNAL_ON_CLRBITS |
|
||||
LED_SIGNAL_OFF_SETBITS | LED_SIGNAL_OFF_CLRBITS),
|
||||
|
||||
(LED_ASSERTION_ON_SETBITS | LED_ASSERTION_ON_CLRBITS |
|
||||
LED_ASSERTION_OFF_SETBITS | LED_ASSERTION_OFF_CLRBITS),
|
||||
|
||||
(LED_PANIC_ON_SETBITS | LED_PANIC_ON_CLRBITS |
|
||||
LED_PANIC_OFF_SETBITS | LED_PANIC_OFF_CLRBITS)
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
static inline void led_clrbits(unsigned int clrbits)
|
||||
{
|
||||
if ((clrbits & EFM32F4_LED1) != 0)
|
||||
{
|
||||
efm32_gpiowrite(GPIO_LED1, false);
|
||||
}
|
||||
|
||||
if ((clrbits & EFM32F4_LED2) != 0)
|
||||
{
|
||||
efm32_gpiowrite(GPIO_LED2, false);
|
||||
}
|
||||
|
||||
if ((clrbits & EFM32F4_LED3) != 0)
|
||||
{
|
||||
efm32_gpiowrite(GPIO_LED3, false);
|
||||
}
|
||||
|
||||
if ((clrbits & EFM32F4_LED4) != 0)
|
||||
{
|
||||
efm32_gpiowrite(GPIO_LED4, false);
|
||||
}
|
||||
}
|
||||
|
||||
static inline void led_setbits(unsigned int setbits)
|
||||
{
|
||||
if ((setbits & EFM32F4_LED1) != 0)
|
||||
{
|
||||
efm32_gpiowrite(GPIO_LED1, true);
|
||||
}
|
||||
|
||||
if ((setbits & EFM32F4_LED2) != 0)
|
||||
{
|
||||
efm32_gpiowrite(GPIO_LED2, true);
|
||||
}
|
||||
|
||||
if ((setbits & EFM32F4_LED3) != 0)
|
||||
{
|
||||
efm32_gpiowrite(GPIO_LED3, true);
|
||||
}
|
||||
|
||||
if ((setbits & EFM32F4_LED4) != 0)
|
||||
{
|
||||
efm32_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 */
|
||||
|
||||
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]));
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: board_led_off
|
||||
****************************************************************************/
|
||||
|
||||
void board_led_off(int led)
|
||||
{
|
||||
led_setonoff(OFF_BITS(g_ledbits[led]));
|
||||
}
|
||||
|
||||
#endif /* CONFIG_ARCH_LEDS */
|
245
configs/efm32-g8xx-stk/src/efm32_userleds.c
Normal file
245
configs/efm32-g8xx-stk/src/efm32_userleds.c
Normal file
@ -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 */
|
Loading…
Reference in New Issue
Block a user