/**************************************************************************** * configs/pic32mx-starterkit/src/pic32mx_leds.c * * Copyright (C) 2011, 2015 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include #include #include "chip.h" #include "up_arch.h" #include "up_internal.h" #include "pic32mx-internal.h" #include "pic32mx-ioport.h" #include "pic32mx-starterkit.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* LED Configuration ********************************************************/ /* The PIC32MX Ethernet Starter kit has 3 user LEDs labelled LED1-3 on the * board graphics (but referred to as LED4-6 in the schematic): * * PIN User's Guide Board Stencil Notes * --- ------------- -------------- ------------------------- * RD0 "User LED D4" "LED1 (RD0") High illuminates (RED) * RD2 "User LED D5" "LED3 (RD2)" High illuminates (YELLOW) * RD1 "User LED D6" "LED2 (RD1)" High illuminates (GREEN) * * We will use the labels on the board to identify LEDs * * ON OFF * ------------------------- ---- ---- ---- ---- ---- ---- * LED1 LED2 LED3 LED1 LED2 LED3 * ------------------------- ---- ---- ---- ---- ---- ---- * LED_STARTED 0 OFF OFF OFF --- --- --- * LED_HEAPALLOCATE 1 ON OFF N/C --- --- --- * LED_IRQSENABLED 2 OFF ON N/C --- --- --- * LED_STACKCREATED 3 ON ON N/C --- --- --- * LED_INIRQ 4 N/C N/C ON N/C N/C OFF * LED_SIGNAL 4 N/C N/C ON N/C N/C OFF * LED_ASSERTION 4 N/C N/C ON N/C N/C OFF * LED_PANIC 5 ON N/C N/C OFF N/C N/C */ #define GPIO_LED_1 (GPIO_OUTPUT|GPIO_VALUE_ZERO|GPIO_PORTD|GPIO_PIN0) #define GPIO_LED_2 (GPIO_OUTPUT|GPIO_VALUE_ZERO|GPIO_PORTD|GPIO_PIN1) #define GPIO_LED_3 (GPIO_OUTPUT|GPIO_VALUE_ZERO|GPIO_PORTD|GPIO_PIN2) /* LED Management Definitions ***********************************************/ #ifdef CONFIG_ARCH_LEDS # define LED_OFF 0 # define LED_ON 1 # define LED_NC 2 #endif /* Debug ********************************************************************/ #if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_LEDS) # define leddbg lldbg # ifdef CONFIG_DEBUG_VERBOSE # define ledvdbg lldbg # else # define ledvdbg(x...) # endif #else # undef CONFIG_DEBUG_LEDS # undef CONFIG_DEBUG_VERBOSE # define leddbg(x...) # define ledvdbg(x...) #endif /**************************************************************************** * Private types ****************************************************************************/ #ifdef CONFIG_ARCH_LEDS struct led_setting_s { uint8_t led1 : 2; uint8_t led2 : 2; uint8_t led3 : 2; uint8_t unused : 2; }; #endif /**************************************************************************** * Private Data ****************************************************************************/ /* If CONFIG_ARCH_LEDS is defined then NuttX will control the LEDs. The * following structures identified the LED settings for each NuttX LED state. */ #ifdef CONFIG_ARCH_LEDS static const struct led_setting_s g_ledonvalues[LED_NVALUES] = { {LED_OFF, LED_OFF, LED_OFF, LED_OFF}, {LED_ON, LED_OFF, LED_NC, LED_OFF}, {LED_OFF, LED_ON, LED_NC, LED_OFF}, {LED_ON, LED_ON, LED_NC, LED_OFF}, {LED_NC, LED_NC, LED_ON, LED_OFF}, {LED_ON, LED_NC, LED_NC, LED_OFF}, }; static const struct led_setting_s g_ledoffvalues[LED_NVALUES] = { {LED_NC, LED_NC, LED_NC, LED_OFF}, {LED_NC, LED_NC, LED_NC, LED_OFF}, {LED_NC, LED_NC, LED_NC, LED_OFF}, {LED_NC, LED_NC, LED_NC, LED_OFF}, {LED_NC, LED_NC, LED_OFF, LED_OFF}, {LED_OFF, LED_NC, LED_NC, LED_OFF}, }; /* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in * any way. The following array simply maps the PIC32MX_STARTERKIT_LEDn * index values to the correct LED pin configuration. */ #else static const uint16_t g_ledpincfg[PIC32MX_STARTERKIT_NLEDS] = { GPIO_LED_1, GPIO_LED_2, GPIO_LED_3 }; #endif /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Name: pic32mx_setleds ****************************************************************************/ #ifdef CONFIG_ARCH_LEDS static void pic32mx_setleds(FAR const struct led_setting_s *setting) { if (setting->led1 != LED_NC) { pic32mx_gpiowrite(GPIO_LED_1, setting->led1 == LED_ON); } if (setting->led2 != LED_NC) { pic32mx_gpiowrite(GPIO_LED_2, setting->led2 == LED_ON); } if (setting->led3 != LED_NC) { pic32mx_gpiowrite(GPIO_LED_3, setting->led3 == LED_ON); } } #endif /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: pic32mx_ledinit ****************************************************************************/ void pic32mx_ledinit(void) { /* Configure output pins */ pic32mx_configgpio(GPIO_LED_1); pic32mx_configgpio(GPIO_LED_2); pic32mx_configgpio(GPIO_LED_3); } /**************************************************************************** * Name: pic32mx_setled ****************************************************************************/ #ifndef CONFIG_ARCH_LEDS void pic32mx_setled(int led, bool ledon) { if ((unsigned)led < PIC32MX_STARTERKIT_NLEDS) { pic32mx_gpiowrite(g_ledpincfg[led], ledon); } } #endif /**************************************************************************** * Name: pic32mx_setleds ****************************************************************************/ #ifndef CONFIG_ARCH_LEDS void pic32mx_setleds(uint8_t ledset) { pic32mx_setled(PIC32MX_STARTERKIT_LED1, (ledset & PIC32MX_STARTERKIT_LED1_BIT) != 0); pic32mx_setled(PIC32MX_STARTERKIT_LED2, (ledset & PIC32MX_STARTERKIT_LED2_BIT) != 0); pic32mx_setled(PIC32MX_STARTERKIT_LED3, (ledset & PIC32MX_STARTERKIT_LED3_BIT) != 0); } #endif /**************************************************************************** * Name: board_led_on ****************************************************************************/ #ifdef CONFIG_ARCH_LEDS void board_led_on(int led) { if ((unsigned)led < LED_NVALUES) { pic32mx_setleds(&g_ledonvalues[led]); } } #endif /**************************************************************************** * Name: board_led_off ****************************************************************************/ #ifdef CONFIG_ARCH_LEDS void board_led_off(int led) { if ((unsigned)led < LED_NVALUES) { pic32mx_setleds(&g_ledoffvalues[led]); } } #endif