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Diffstat (limited to 'nuttx/configs/teensy31/src/up_leds.c')
| -rw-r--r-- | nuttx/configs/teensy31/src/up_leds.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/nuttx/configs/teensy31/src/up_leds.c b/nuttx/configs/teensy31/src/up_leds.c new file mode 100644 index 000000000..4b98a0cb4 --- /dev/null +++ b/nuttx/configs/teensy31/src/up_leds.c @@ -0,0 +1,129 @@ +/**************************************************************************** + * configs/kwikstik-k40/src/up_leds.c + * arch/arm/src/board/up_leds.c + * + * Copyright (C) 2011, 2013 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 <stdbool.h> +#include <debug.h> + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/* CONFIG_DEBUG_LEDS enables debug output from this file (needs CONFIG_DEBUG + * with CONFIG_DEBUG_VERBOSE too) + */ + +#ifdef CONFIG_DEBUG_LEDS +# define leddbg lldbg +# define ledvdbg llvdbg +#else +# define leddbg(x...) +# define ledvdbg(x...) +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: board_led_initialize + * + * Description: + * Initialize LED GPIOs so that LEDs can be controlled. + * + ****************************************************************************/ + +#include "kinetis_internal.h" + +#define GPIO_LED0 (PIN_PORTC | PIN5 | GPIO_HIGHDRIVE | GPIO_OUTPUT_ONE) + +#define PORTC_PCR5 (*(volatile uint32_t *)0x4004B014) // Pin Control Register n +#define GPIOC_PDOR (*(volatile uint32_t *)0x400FF080) // Port Data Output Register +#define GPIOC_PSOR (*(volatile uint32_t *)0x400FF084) // Port Set Output Register +#define GPIOC_PCOR (*(volatile uint32_t *)0x400FF088) // Port Clear Output Register +#define GPIOC_PTOR (*(volatile uint32_t *)0x400FF08C) // Port Toggle Output Register +#define GPIOC_PDIR (*(volatile uint32_t *)0x400FF090) // Port Data Input Register +#define GPIOC_PDDR (*(volatile uint32_t *)0x400FF094) // Port Data Direction Register + + #define PORT_PCR_SRE ((uint32_t)0x00000004) // Slew Rate Enable + #define PORT_PCR_DSE ((uint32_t)0x00000040) // Drive Strength Enable + #define PORT_PCR_MUX(n) ((uint32_t)(((n) & 7) << 8)) // Pin Mux Control + +#ifdef CONFIG_ARCH_LEDS +void board_led_initialize(void) +{ + //kinetis_pinconfig(GPIO_LED0); + //kinetis_gpiowrite(GPIO_LED0, true); + + + //kinetis_pinconfig(PIN_PORTC | PIN5 | GPIO_OUTPUT | GPIO_HIGHDRIVE); + PORTC_PCR5 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1); // set to gpio + GPIOC_PDDR |= (1 << 5); // set to output + GPIOC_PSOR |= (1 << 5); // set high +} + +/**************************************************************************** + * Name: board_led_on + ****************************************************************************/ + +void board_led_on(int led) +{ + //kinetis_gpiowrite(GPIO_LED0, true); +} + +/**************************************************************************** + * Name: board_led_off + ****************************************************************************/ + +void board_led_off(int led) +{ + //kinetis_gpiowrite(GPIO_LED0, true); +} + +#endif /* CONFIG_ARCH_LEDS */ |