40cd67eee6
Gregory Nutt has submitted the SGA and we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
109 lines
3.4 KiB
C
109 lines
3.4 KiB
C
/****************************************************************************
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* boards/arm/efm32/efm32gg-stk3700/src/efm32_userleds.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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/* The EFM32 Giant Gecko Start Kit has two yellow LEDs marked LED0 and LED1.
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* These LEDs are controlled by GPIO pins on the EFM32. The LEDs are
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* connected to pins PE2 and PE3 in an active high configuration:
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*
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* ------------------------------------- --------------------
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* EFM32 PIN BOARD SIGNALS
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* ------------------------------------- --------------------
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* E2/BCK_VOUT/EBI_A09 #0/ MCU_PE2 UIF_LED0
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* TIM3_CC2 #1/U1_TX #3/ACMP0_O #1
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* E3/BCK_STAT/EBI_A10 #0/U1_RX #3/ MCU_PE3 UIF_LED1
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* ACMP1_O #1
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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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/****************************************************************************
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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 "efm32_gpio.h"
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#include "efm32gg-stk3700.h"
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#ifndef CONFIG_ARCH_LEDS
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_userled_initialize
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****************************************************************************/
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uint32_t board_userled_initialize(void)
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{
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/* Configure LED PIOs for output */
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efm32_configgpio(GPIO_LED0);
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efm32_configgpio(GPIO_LED1);
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return BOARD_NLEDS;
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}
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/****************************************************************************
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* Name: board_userled
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****************************************************************************/
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void board_userled(int led, bool ledon)
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{
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uint32_t ledcfg;
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if (led == BOARD_LED0)
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{
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ledcfg = GPIO_LED0;
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}
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else if (led == BOARD_LED1)
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{
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ledcfg = GPIO_LED1;
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}
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else
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{
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return;
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}
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efm32_gpiowrite(ledcfg, ledon); /* High illuminates */
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}
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/****************************************************************************
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* Name: board_userled_all
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****************************************************************************/
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void board_userled_all(uint32_t ledset)
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{
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/* High illuminates */
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efm32_gpiowrite(GPIO_LED0, (ledset & BOARD_LED0_BIT) != 0);
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efm32_gpiowrite(GPIO_LED1, (ledset & BOARD_LED1_BIT) != 0);
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}
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#endif /* !CONFIG_ARCH_LEDS */
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