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/****************************************************************************
* 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
#define SIM_SCGC5 (*(volatile uint32_t *)0x40048038) // System Clock Gating Control Register 5
#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_pinconfig(PIN_PORTC | PIN5 | GPIO_OUTPUT | GPIO_HIGHDRIVE);
//SIM_SCGC5 = 0x00043F82; // clocks active to all GPIO
//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, false);
}
#endif /* CONFIG_ARCH_LEDS */
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