diff options
Diffstat (limited to 'nuttx/configs/pic32mz-starterkit/src/pic32mz_autoleds.c')
| -rw-r--r-- | nuttx/configs/pic32mz-starterkit/src/pic32mz_autoleds.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/nuttx/configs/pic32mz-starterkit/src/pic32mz_autoleds.c b/nuttx/configs/pic32mz-starterkit/src/pic32mz_autoleds.c new file mode 100644 index 000000000..b0188f5fb --- /dev/null +++ b/nuttx/configs/pic32mz-starterkit/src/pic32mz_autoleds.c @@ -0,0 +1,217 @@ +/**************************************************************************** + * configs/pic32mz-starterkit/src/pic32mz_leds.c + * + * Copyright (C) 2015 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 "pic32mz-internal.h" +#include "pic32mz-ioport.h" +#include "pic32mz-starterkit.h" + +#ifdef CONFIG_ARCH_LEDS + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ +/* LED Configuration ********************************************************/ +/* The PIC32MZ Ethernet Starter kit has 3 user LEDs labelled LED1-3 on the + * board: + * + * PIN LED Notes + * --- ----- ------------------------- + * RH0 LED1 High illuminates (RED) + * RH1 LED3 High illuminates (YELLOW) + * RH2 LED2 High illuminates (GREEN) + * + * If CONFIG_ARCH_LEDs is defined, then NuttX will control the 3 LEDs + * on board the Ethernet Starter Kit. The following definitions + * describe how NuttX controls the 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 + */ + +/* LED Management Definitions ***********************************************/ + +#define LED_OFF 0 +#define LED_ON 1 +#define LED_NC 2 + +/* 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 + ****************************************************************************/ + +struct led_setting_s +{ + uint8_t led1 : 2; + uint8_t led2 : 2; + uint8_t led3 : 2; + uint8_t unused : 2; +}; + +/**************************************************************************** + * 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. + */ + +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}, +}; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: pic32mz_setleds + ****************************************************************************/ + +static void pic32mz_setleds(FAR const struct led_setting_s *setting) +{ + if (setting->led1 != LED_NC) + { + pic32mz_gpiowrite(GPIO_LED_1, setting->led1 == LED_ON); + } + + if (setting->led2 != LED_NC) + { + pic32mz_gpiowrite(GPIO_LED_2, setting->led2 == LED_ON); + } + + if (setting->led3 != LED_NC) + { + pic32mz_gpiowrite(GPIO_LED_3, setting->led3 == LED_ON); + } +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: pic32mz_ledinit + ****************************************************************************/ + +void pic32mz_ledinit(void) +{ + /* Configure output pins */ + + pic32mz_configgpio(GPIO_LED_1); + pic32mz_configgpio(GPIO_LED_2); + pic32mz_configgpio(GPIO_LED_3); +} + +/**************************************************************************** + * Name: board_led_on + ****************************************************************************/ + +void board_led_on(int led) +{ + if ((unsigned)led < LED_NVALUES) + { + pic32mz_setleds(&g_ledonvalues[led]); + } +} + +/**************************************************************************** + * Name: board_led_off + ****************************************************************************/ + +void board_led_off(int led) +{ + if ((unsigned)led < LED_NVALUES) + { + pic32mz_setleds(&g_ledoffvalues[led]); + } +} + +#endif /* CONFIG_ARCH_LEDS */ |