356 lines
10 KiB
C
356 lines
10 KiB
C
/****************************************************************************
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* boards/arm/kinetis/freedom-k64f/src/freedom-k64f.h
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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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#ifndef __BOARDS_ARM_KINETIS_FREEDOM_K64F_SRC_FREEDOM_K64F_H
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#define __BOARDS_ARM_KINETIS_FREEDOM_K64F_SRC_FREEDOM_K64F_H
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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 <nuttx/compiler.h>
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#include <stdint.h>
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#include <arch/kinetis/chip.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Application Configuration ************************************************/
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/* Assume we have everything */
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#define HAVE_PROC 1
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#define HAVE_MMCSD 1
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#define HAVE_AUTOMOUNTER 1
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#define HAVE_USBDEV 1
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#if defined(CONFIG_KINETIS_RTC)
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#define HAVE_RTC_DRIVER 1
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#endif
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/* Automount procfs */
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#if !defined(CONFIG_FS_PROCFS)
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# undef HAVE_PROC
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#endif
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#if defined(HAVE_PROC) && defined(CONFIG_DISABLE_MOUNTPOINT)
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# warning Mountpoints disabled. No procfs support
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# undef HAVE_PROC
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#endif
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#if defined(CONFIG_NSH_PROC_MOUNTPOINT)
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# define PROCFS_MOUNTPOUNT CONFIG_NSH_PROC_MOUNTPOINT
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#else
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# define PROCFS_MOUNTPOUNT "/proc"
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#endif
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/* SD card support */
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#define MMCSD_SLOTNO 0
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/* Can't support MMC/SD features if mountpoints are disabled or if SDHC
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* support is not enabled.
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*/
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#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_KINETIS_SDHC)
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# undef HAVE_MMCSD
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#endif
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#ifdef HAVE_MMCSD
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# if defined(CONFIG_NSH_MMCSDSLOTNO) && CONFIG_NSH_MMCSDSLOTNO != 0
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# error Only one MMC/SD slot, slot 0
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# endif
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# ifdef CONFIG_NSH_MMCSDMINOR
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# define MMSCD_MINOR CONFIG_NSH_MMCSDMINOR
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# else
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# define MMSCD_MINOR 0
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# endif
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/* We expect to receive GPIO interrupts for card insertion events */
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# ifndef CONFIG_KINETIS_GPIOIRQ
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# error "CONFIG_KINETIS_GPIOIRQ required for card detect interrupt"
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# endif
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# ifndef CONFIG_KINETIS_PORTEINTS
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# error "CONFIG_KINETIS_PORTEINTS required for card detect interrupt"
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# endif
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#endif
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/* Automounter */
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#if !defined(CONFIG_FS_AUTOMOUNTER) || !defined(HAVE_MMCSD)
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# undef HAVE_AUTOMOUNTER
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# undef CONFIG_FRDMK64F_SDHC_AUTOMOUNT
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#endif
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#ifndef CONFIG_FRDMK64F_SDHC_AUTOMOUNT
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# undef HAVE_AUTOMOUNTER
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#endif
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/* Automounter defaults */
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#ifdef HAVE_AUTOMOUNTER
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# ifndef CONFIG_FRDMK64F_SDHC_AUTOMOUNT_FSTYPE
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# define CONFIG_FRDMK64F_SDHC_AUTOMOUNT_FSTYPE "vfat"
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# endif
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# ifndef CONFIG_FRDMK64F_SDHC_AUTOMOUNT_BLKDEV
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# define CONFIG_FRDMK64F_SDHC_AUTOMOUNT_BLKDEV "/dev/mmcds0"
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# endif
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# ifndef CONFIG_FRDMK64F_SDHC_AUTOMOUNT_MOUNTPOINT
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# define CONFIG_FRDMK64F_SDHC_AUTOMOUNT_MOUNTPOINT "/mnt/sdcard"
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# endif
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# ifndef CONFIG_FRDMK64F_SDHC_AUTOMOUNT_DDELAY
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# define CONFIG_FRDMK64F_SDHC_AUTOMOUNT_DDELAY 1000
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# endif
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# ifndef CONFIG_FRDMK64F_SDHC_AUTOMOUNT_UDELAY
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# define CONFIG_FRDMK64F_SDHC_AUTOMOUNT_UDELAY 2000
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# endif
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#endif /* HAVE_AUTOMOUNTER */
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/* Can't support USB features if USB is not enabled */
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#ifndef CONFIG_USBDEV
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# undef HAVE_USBDEV
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#endif
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/* How many SPI modules does this chip support? The LM3S6918 supports 2 SPI
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* modules (others may support more -- in such case, the following must be
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* expanded).
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*/
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#if KINETIS_NSPI < 1
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# undef CONFIG_KINETIS_SPI1
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# undef CONFIG_KINETIS_SPI2
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#elif KINETIS_NSPI < 2
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# undef CONFIG_KINETIS_SPI2
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#endif
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/* FREEDOM-K64F GPIOs *******************************************************/
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/* A micro Secure Digital (SD) card slot is available on the FRDM-K64F
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* connected to the SD Host Controller (SDHC) signals of the MCU.
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* This slot will accept micro format SD memory cards.
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* The SD card detect pin (PTE6) is an open switch that shorts with VDD when
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* card is inserted.
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*
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* ------------ ------------- --------
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* SD Card Slot Board Signal K64F Pin
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* ------------ ------------- --------
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* DAT0 SDHC0_D0 PTE0
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* DAT1 SDHC0_D1 PTE1
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* DAT2 SDHC0_D2 PTE5
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* CD/DAT3 SDHC0_D3 PTE4
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* CMD SDHC0_CMD PTE3
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* CLK SDHC0_DCLK PTE2
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* SWITCH D_CARD_DETECT PTE6
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* ------------ ------------- --------
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*
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* There is no Write Protect pin available to the K64F.
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*/
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#define GPIO_SD_CARDDETECT (GPIO_PULLUP | PIN_INT_BOTH | PIN_PORTE | PIN6)
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/* Two push buttons, SW2 and SW3, are available on FRDM-K64F board,
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* where SW2 is connected to PTC6 and SW3 is connected to PTA4.
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* Besides the general purpose input/output functions,
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* SW2 and SW3 can be low-power wake up signal.
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* Also, only SW3 can be a non-maskable interrupt.
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*
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* Switch GPIO Function
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* ------ --------------------------------------------------------------
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* SW2 PTC6/SPI0_SOUT/PD0_EXTRG/I2S0_RX_BCLK/FB_AD9/I2S0_MCLK/LLWU_P10
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* SW3 PTA4/FTM0_CH1/NMI_b/LLWU_P3
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*/
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#define GPIO_SW2 (GPIO_PULLUP | PIN_INT_BOTH | PIN_PORTC | PIN6)
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#define GPIO_SW3 (GPIO_PULLUP | PIN_INT_BOTH | PIN_PORTA | PIN4)
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/* An RGB LED is connected through GPIO as shown below:
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*
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* LED K64
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* ------ -------------------------------------------------------
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* RED PTB22/SPI2_SOUT/FB_AD29/CMP2_OUT
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* GREEN PTE26/ENET_1588_CLKIN/UART4_CTS_b/RTC_CLKOUT/USB0_CLKIN
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* BLUE PTB21/SPI2_SCK/FB_AD30/CMP1_OUT
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*/
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#define GPIO_LED_R (GPIO_LOWDRIVE | GPIO_OUTPUT_ONE | PIN_PORTB | PIN22)
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#define GPIO_LED_G (GPIO_LOWDRIVE | GPIO_OUTPUT_ONE | PIN_PORTE | PIN26)
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#define GPIO_LED_B (GPIO_LOWDRIVE | GPIO_OUTPUT_ONE | PIN_PORTB | PIN21)
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Name: k64_i2cdev_initialize
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*
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* Description:
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* Called to configure I2C chip select GPIO pins for the FRDM-K64F board.
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*
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****************************************************************************/
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int k64_i2cdev_initialize(void);
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/****************************************************************************
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* Name: k64_spidev_initialize
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*
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* Description:
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* Called to configure SPI chip select GPIO pins for the FRDM-K64F board.
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*
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****************************************************************************/
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void weak_function k64_spidev_initialize(void);
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/****************************************************************************
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* Name: k64_usbinitialize
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*
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* Description:
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* Called to setup USB-related GPIO pins for the FREEDOM-K64F board.
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*
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****************************************************************************/
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void weak_function k64_usbinitialize(void);
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/****************************************************************************
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* Name: k64_bringup
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*
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* Description:
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* Bring up board features
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*
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****************************************************************************/
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#if defined(CONFIG_BOARDCTL) || defined(CONFIG_BOARD_LATE_INITIALIZE)
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int k64_bringup(void);
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#endif
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/****************************************************************************
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* Name: k64_sdhc_initialize
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*
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* Description:
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* Inititialize the SDHC SD card slot
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*
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****************************************************************************/
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#ifdef HAVE_MMCSD
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int k64_sdhc_initialize(void);
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#else
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# define k64_sdhc_initialize() (OK)
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#endif
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/****************************************************************************
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* Name: k64_cardinserted
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*
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* Description:
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* Check if a card is inserted into the SDHC slot
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*
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****************************************************************************/
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#ifdef HAVE_AUTOMOUNTER
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bool k64_cardinserted(void);
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#else
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# define k64_cardinserted() (false)
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#endif
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/****************************************************************************
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* Name: k64_writeprotected
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*
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* Description:
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* Check if the card in the MMC/SD slot is write protected
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*
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****************************************************************************/
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#ifdef HAVE_AUTOMOUNTER
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bool k64_writeprotected(void);
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#else
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# define k64_writeprotected() (false)
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#endif
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/****************************************************************************
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* Name: k64_automount_initialize
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*
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* Description:
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* Configure auto-mounter for the configured SDHC slot
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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#ifdef HAVE_AUTOMOUNTER
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void k64_automount_initialize(void);
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#endif
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/****************************************************************************
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* Name: k64_automount_event
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*
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* Description:
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* The SDHC card detection logic has detected
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* an insertion or removal event.
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* It has already scheduled the MMC/SD block driver operations.
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* Now we need to schedule the auto-mount event which will occur with a
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* substantial delay to make sure that everything has settle down.
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*
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* Input Parameters:
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* inserted - True if the card is inserted in the slot. False otherwise.
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*
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* Returned Value:
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* None
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*
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* Assumptions:
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* Interrupts are disabled.
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*
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****************************************************************************/
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#ifdef HAVE_AUTOMOUNTER
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void k64_automount_event(bool inserted);
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#endif
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/****************************************************************************
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* Name: k64_pwm_setup
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*
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* Description:
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* Initialize PWM and register the PWM device.
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*
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****************************************************************************/
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#ifdef CONFIG_PWM
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int k64_pwm_setup(void);
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_KINETIS_FREEDOM_K64F_SRC_FREEDOM_K64F_H */
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