187 lines
6.0 KiB
C
187 lines
6.0 KiB
C
/****************************************************************************
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* boards/mips/pic32mz/pic32mz-starterkit/src/pic32mz_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 "mips_internal.h"
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#include "pic32mz_gpio.h"
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#include "pic32mz-starterkit.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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/* LED Configuration ********************************************************/
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/* The PIC32MZ Ethernet Starter kit has 3 user LEDs labelled LED1-3 on the
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* board:
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*
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* PIN LED Notes
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* --- ----- -------------------------
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* RH0 LED1 High illuminates (RED)
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* RH1 LED3 High illuminates (YELLOW)
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* RH2 LED2 High illuminates (GREEN)
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*
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* If CONFIG_ARCH_LEDs is defined, then NuttX will control the 3 LEDs
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* on board the Ethernet Starter Kit. The following definitions
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* describe how NuttX controls the LEDs:
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*
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* ON OFF
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* ------------------------- ---- ---- ---- ---- ---- ----
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* LED1 LED2 LED3 LED1 LED2 LED3
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* ------------------------- ---- ---- ---- ---- ---- ----
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* LED_STARTED 0 OFF OFF OFF --- --- ---
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* LED_HEAPALLOCATE 1 ON OFF N/C --- --- ---
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* LED_IRQSENABLED 2 OFF ON N/C --- --- ---
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* LED_STACKCREATED 3 ON ON N/C --- --- ---
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* LED_INIRQ 4 N/C N/C ON N/C N/C OFF
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* LED_SIGNAL 4 N/C N/C ON N/C N/C OFF
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* LED_ASSERTION 4 N/C N/C ON N/C N/C OFF
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* LED_PANIC 5 ON N/C N/C OFF N/C N/C
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*/
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/* LED Management Definitions ***********************************************/
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#define LED_OFF 0
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#define LED_ON 1
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#define LED_NC 2
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/****************************************************************************
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* Private types
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****************************************************************************/
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struct led_setting_s
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{
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uint8_t led1 : 2;
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uint8_t led2 : 2;
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uint8_t led3 : 2;
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uint8_t unused : 2;
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};
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/* If CONFIG_ARCH_LEDS is defined then NuttX will control the LEDs. The
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* following structures identified the LED settings for each NuttX LED state.
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*/
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static const struct led_setting_s g_ledonvalues[LED_NVALUES] =
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{
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{LED_OFF, LED_OFF, LED_OFF, LED_OFF},
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{LED_ON, LED_OFF, LED_NC, LED_OFF},
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{LED_OFF, LED_ON, LED_NC, LED_OFF},
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{LED_ON, LED_ON, LED_NC, LED_OFF},
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{LED_NC, LED_NC, LED_ON, LED_OFF},
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{LED_ON, LED_NC, LED_NC, LED_OFF},
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};
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static const struct led_setting_s g_ledoffvalues[LED_NVALUES] =
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{
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{LED_NC, LED_NC, LED_NC, LED_OFF},
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{LED_NC, LED_NC, LED_NC, LED_OFF},
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{LED_NC, LED_NC, LED_NC, LED_OFF},
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{LED_NC, LED_NC, LED_NC, LED_OFF},
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{LED_NC, LED_NC, LED_OFF, LED_OFF},
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{LED_OFF, LED_NC, LED_NC, LED_OFF},
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: pic32mz_setleds
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****************************************************************************/
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static void pic32mz_setleds(const struct led_setting_s *setting)
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{
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if (setting->led1 != LED_NC)
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{
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pic32mz_gpiowrite(GPIO_LED_1, setting->led1 == LED_ON);
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}
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if (setting->led2 != LED_NC)
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{
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pic32mz_gpiowrite(GPIO_LED_2, setting->led2 == LED_ON);
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}
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if (setting->led3 != LED_NC)
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{
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pic32mz_gpiowrite(GPIO_LED_3, setting->led3 == LED_ON);
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}
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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: pic32mz_led_initialize
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****************************************************************************/
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void pic32mz_led_initialize(void)
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{
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/* Configure output pins */
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pic32mz_configgpio(GPIO_LED_1);
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pic32mz_configgpio(GPIO_LED_2);
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pic32mz_configgpio(GPIO_LED_3);
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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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if ((unsigned)led < LED_NVALUES)
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{
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pic32mz_setleds(&g_ledonvalues[led]);
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}
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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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if ((unsigned)led < LED_NVALUES)
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{
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pic32mz_setleds(&g_ledoffvalues[led]);
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}
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}
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#endif /* CONFIG_ARCH_LEDS */
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