nuttx/boards/arm/tiva/tm4c1294-launchpad/src/tm4c_autoleds.c
Alin Jerpelea 40cd67eee6 boards: arm: Author Gregory Nutt: update licenses to Apache
Gregory Nutt has submitted the SGA and we can migrate the licenses
 to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-03-18 22:58:27 -07:00

141 lines
4.5 KiB
C

/****************************************************************************
* boards/arm/tiva/tm4c1294-launchpad/src/tm4c_autoleds.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <debug.h>
#include <nuttx/board.h>
#include <arch/board/board.h>
#include "tiva_gpio.h"
#include "tm4c1294-launchpad.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: tm4c_led_initialize
*
* Description:
* Called to initialize the on-board LEDs.
*
****************************************************************************/
#ifdef CONFIG_ARCH_LEDS
void tm4c_led_initialize(void)
{
/* Configure LED PIOs for output */
tiva_configgpio(GPIO_LED_D1);
tiva_configgpio(GPIO_LED_D2);
tiva_configgpio(GPIO_LED_D3);
tiva_configgpio(GPIO_LED_D4);
}
/****************************************************************************
* Name: board_autoled_on
****************************************************************************/
void board_autoled_on(int led)
{
/* --------------- ------- ----- ----- ----- ----- ----------
* STATE VALUE LED1 LED2 LED3 LED4
* --------------- ------- ----- ----- ----- ----- ----------
* LED_STARTED 1 ON OFF NC NC
* LED_HEAPALLOCATE 0 NC NC NC NC
* LED_IRQSENABLED 0 NC NC NC NC
* LED_STACKCREATED 2 ON ON NC NC
* LED_INIRQ 0 NC NC NC NC
* LED_SIGNAL 0 NC NC NC NC
* LED_ASSERTION 0 NC NC NC NC
* LED_PANIC 3 OFF ON NC NC (flashing 2Hz)
* --------------- ------- ----- ----- ----- ---------------
*
* A high output illuminates the LED.
*/
switch (led)
{
default:
case 0: /* No change */
break;
case 1: /* LED1=OFF, LED2=OFF, LED3=NC, LED4=NC */
tiva_gpiowrite(GPIO_LED_D1, true);
tiva_gpiowrite(GPIO_LED_D2, false);
break;
case 2: /* LED1=ON, LED2=ON, LED3=NC, LED4=NC */
tiva_gpiowrite(GPIO_LED_D1, true);
tiva_gpiowrite(GPIO_LED_D2, true);
break;
case 3: /* LED1=OFF, LED2=ON, LED3=NC, LED4=NC */
tiva_gpiowrite(GPIO_LED_D1, false);
tiva_gpiowrite(GPIO_LED_D2, true);
break;
}
}
/****************************************************************************
* Name: board_autoled_off
****************************************************************************/
void board_autoled_off(int led)
{
/* --------------- ------- ----- ----- ----- ----- ----------
* STATE VALUE LED1 LED2 LED3 LED4
* --------------- ------- ----- ----- ----- ----- ----------
* LED_STARTED 1 ON OFF NC NC
* LED_HEAPALLOCATE 0 NC NC NC NC
* LED_IRQSENABLED 0 NC NC NC NC
* LED_STACKCREATED 2 ON ON NC NC
* LED_INIRQ 0 NC NC NC NC
* LED_SIGNAL 0 NC NC NC NC
* LED_ASSERTION 0 NC NC NC NC
* LED_PANIC 3 ON OFF NC NC (flashing 2Hz)
* --------------- ------- ----- ----- ----- ---------------
*
* A high output illuminates the LED.
*/
switch (led)
{
case 0: /* No change */
case 1: /* Will not happen */
case 2: /* Will not happen */
default:
break;
case 3: /* LED1=ON, LED2=OFF, LED3=NC, LED4=NC */
tiva_gpiowrite(GPIO_LED_D1, true);
tiva_gpiowrite(GPIO_LED_D2, false);
break;
}
}
#endif /* CONFIG_ARCH_LEDS */