547 lines
22 KiB
C
547 lines
22 KiB
C
/************************************************************************************
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* configs/samv71-xult/include/board.h
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*
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* Copyright (C) 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __CONFIGS_SAMV71_XULT_INCLUDE_BOARD_H
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#define __CONFIGS_SAMV71_XULT_INCLUDE_BOARD_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 <stdbool.h>
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* Clocking *************************************************************************/
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/* After power-on reset, the SAMV71Q device is running out of the Master Clock using
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* the Fast RC Oscillator running at 4 MHz.
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*
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* MAINOSC: Frequency = 12MHz (crystal)
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*
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* 300MHz Settings:
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* PLLA: PLL Divider = 1, Multiplier = 20 to generate PLLACK = 240MHz
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* Master Clock (MCK): Source = PLLACK, Prescalar = 1 to generate MCK = 120MHz
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* CPU clock: 120MHz
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*
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*/
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/* Main oscillator register settings.
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*
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* The main oscillator could be either the embedded 4/8/12 MHz fast RC oscillators
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* or an external 3-20 MHz crystal or ceramic resonator. The external clock source
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* is selected by default in sam_clockconfig.c. Here we need to specify the main
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* oscillator start-up time.
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*
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* REVISIT... this is old information:
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* The start up time should be should be:
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*
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* Start Up Time = 8 * MOSCXTST / SLCK = 56 Slow Clock Cycles.
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*/
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#define BOARD_CKGR_MOR_MOSCXTST (62 << PMC_CKGR_MOR_MOSCXTST_SHIFT) /* Start-up Time */
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/* PLLA configuration.
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*
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* Divider = 1
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* Multiplier = 25
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*
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* Yields:
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*
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* PLLACK = 25 * 12MHz / 1 = 300MHz
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*/
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#define BOARD_CKGR_PLLAR_STMODE PMC_CKGR_PLLAR_STMODE_FAST
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#define BOARD_CKGR_PLLAR_COUNT (63 << PMC_CKGR_PLLAR_COUNT_SHIFT)
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#define BOARD_CKGR_PLLAR_MUL PMC_CKGR_PLLAR_MUL(25)
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#define BOARD_CKGR_PLLAR_DIV PMC_CKGR_PLLAR_DIV_BYPASS
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/* PMC master clock register settings.
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*
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* BOARD_PMC_MCKR_CSS - The source of main clock input. This may be one of:
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*
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* PMC_MCKR_CSS_SLOW Slow Clock
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* PMC_MCKR_CSS_MAIN Main Clock
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* PMC_MCKR_CSS_PLLA PLLA Clock
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* MC_MCKR_CSS_UPLL Divided UPLL Clock
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*
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* BOARD_PMC_MCKR_PRES - Source clock pre-scaler. May be one of:
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*
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* PMC_MCKR_PRES_DIV1 Selected clock
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* PMC_MCKR_PRES_DIV2 Selected clock divided by 2
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* PMC_MCKR_PRES_DIV4 Selected clock divided by 4
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* PMC_MCKR_PRES_DIV8 Selected clock divided by 8
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* PMC_MCKR_PRES_DIV16 Selected clock divided by 16
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* MC_MCKR_PRES_DIV32 Selected clock divided by 32
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* PMC_MCKR_PRES_DIV64 Selected clock divided by 64
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* PMC_MCKR_PRES_DIV3 Selected clock divided by 3
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*
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* The prescaler determines (1) the CPU clock and (2) the input into the
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* second divider that then generates the Master Clock (MCK). MCK is the
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* source clock of the peripheral clocks.
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*
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* BOARD_PMC_MCKR_MDIV - MCK divider. May be one of:
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*
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* PMC_MCKR_MDIV_DIV1 Master Clock is Prescaler Output Clock / 1
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* PMC_MCKR_MDIV_DIV2 Master Clock = Prescaler Output Clock / 2
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* PMC_MCKR_MDIV_DIV4 Master Clock = Prescaler Output Clock / 4
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* PMC_MCKR_MDIV_DIV3 Master Clock = Prescaler Output Clock / 3
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*/
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#define BOARD_PMC_MCKR_CSS PMC_MCKR_CSS_PLLA /* Source = PLLA */
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#define BOARD_PMC_MCKR_PRES PMC_MCKR_PRES_DIV1 /* Prescaler = /1 */
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#define BOARD_PMC_MCKR_MDIV PMC_MCKR_MDIV_DIV2 /* MCK divider = /2 */
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/* USB clocking
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* To be provided
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*/
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#define BOARD_PMC_MCKR_UPLLDIV2 0 /* UPLL clock not divided by 2 */
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/* Resulting frequencies */
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#define BOARD_MAINOSC_FREQUENCY (12000000) /* MAINOSC: 12MHz crystal on-board */
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#define BOARD_PLLA_FREQUENCY (300000000) /* PLLACK: 25 * 12Mhz / 1 */
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#define BOARD_CPU_FREQUENCY (300000000) /* CPU: PLLACK / 1 */
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#define BOARD_MCK_FREQUENCY (150000000) /* MCK: PLLACK / 1 / 2 */
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/* HSMCI clocking
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*
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* Multimedia Card Interface clock (MCCK or MCI_CK) is Master Clock (MCK)
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* divided by (2*(CLKDIV) + CLOCKODD + 2).
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*
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* MCI_SPEED = MCK / (2*CLKDIV + CLOCKODD + 2)
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*
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* Where CLKDIV has a range of 0-255.
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*/
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/* MCK = 150MHz, CLKDIV = 186, MCI_SPEED = 150MHz / (2*186 + 1 + 2) = 400 KHz */
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#define HSMCI_INIT_CLKDIV ((186 << HSMCI_MR_CLKDIV_SHIFT) | HSMCI_MR_CLKODD)
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/* MCK = 150MHz, CLKDIV = 3 w/CLOCKODD, MCI_SPEED = 150MHz /(2*3 + 0 + 2) = 18.75 MHz */
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#define HSMCI_MMCXFR_CLKDIV (2 << HSMCI_MR_CLKDIV_SHIFT)
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/* MCK = 150MHz, CLKDIV = 2, MCI_SPEED = 150MHz /(2*2 + 0 + 2) = 25 MHz */
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#define HSMCI_SDXFR_CLKDIV (2 << HSMCI_MR_CLKDIV_SHIFT)
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#define HSMCI_SDWIDEXFR_CLKDIV HSMCI_SDXFR_CLKDIV
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/* FLASH wait states.
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*
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* Wait states Max frequency at 105 centigrade (STH conditions)
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*
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* VDDIO
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* 1.62V 2.7V
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* --- ------- -------
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* 0 26 MHz 30 MHz
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* 1 52 MHz 62 MHz
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* 2 78 MHz 93 MHz
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* 3 104 MHz 124 MHz
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* 4 131 MHz 150 MHz
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* 5 150 MHz --- MHz
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*
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* Given: VDDIO=3.3V, VDDCORE=1.2V, MCK=150MHz
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*/
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#define BOARD_FWS 4
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/* LED definitions ******************************************************************/
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/* LEDs
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*
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* There are two yellow LED available on the SAM V71 Xplained Ultra board that
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* can be turned on and off. The LEDs can be activated by driving the
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* connected I/O line to GND.
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*
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* ------ ----------- ---------------------
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* SAMV71 Function Shared functionality
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* PIO
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* ------ ----------- ---------------------
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* PA23 Yellow LED0 EDBG GPIO
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* PC09 Yellow LED1 LCD, and Shield
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* ------ ----------- ---------------------
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*
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* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in any
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* way. The following definitions are used to access individual LEDs.
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*/
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/* LED index values for use with lpc31_setled() */
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#define BOARD_LED0 0
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#define BOARD_LED1 1
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#define BOARD_NLEDS 2
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/* LED bits for use with lpc31_setleds() */
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#define BOARD_LED0_BIT (1 << BOARD_LED0)
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#define BOARD_LED1_BIT (1 << BOARD_LED1)
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/* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
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* defined. In that case, the usage by the board port is defined in
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* include/board.h and src/sam_autoleds.c. The LEDs are used to encode
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* OS-related events as follows:
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*
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* SYMBOL Meaning LED state
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* LED2 LED1
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* ------------------------ -------------------------- ------ ------ */
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#define LED_STARTED 0 /* NuttX has been started OFF OFF */
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#define LED_HEAPALLOCATE 0 /* Heap has been allocated OFF OFF */
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#define LED_IRQSENABLED 0 /* Interrupts enabled OFF OFF */
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#define LED_STACKCREATED 1 /* Idle stack created ON OFF */
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#define LED_INIRQ 2 /* In an interrupt No change */
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#define LED_SIGNAL 2 /* In a signal handler No change */
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#define LED_ASSERTION 2 /* An assertion failed No change */
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#define LED_PANIC 3 /* The system has crashed N/C Blinking */
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#undef LED_IDLE /* MCU is is sleep mode Not used */
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/* Thus if LED0 is statically on, NuttX has successfully booted and is,
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* apparently, running normally. If LED1 is flashing at approximately
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* 2Hz, then a fatal error has been detected and the system has halted.
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*
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* NOTE: That LED0 is not used after completion of booting and may
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* be used by other board-specific logic.
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*/
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/* Button definitions ***************************************************************/
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/* Buttons
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*
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* SAM V71 Xplained Ultra contains three mechanical buttons. One button is the
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* RESET button connected to the SAM V71 reset line and the others are generic
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* user configurable buttons. When a button is pressed it will drive the I/O
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* line to GND.
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*
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* ------ ----------- ---------------------
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* SAMV71 Function Shared functionality
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* PIO
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* ------ ----------- ---------------------
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* RESET RESET Trace, Shield, and EDBG
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* PA09 SW0 EDBG GPIO and Camera
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* PB12 SW1 EDBG SWD and Chip Erase
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* ------ ----------- ---------------------
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*
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* NOTES:
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*
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* - There are no pull-up resistors connected to the generic user buttons so
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* it is necessary to enable the internal pull-up in the SAM V71 to use the
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* button.
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* - PB12 is set up as a system flash ERASE pin when the firmware boots. To
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* use the SW1, PB12 has to be configured as a normal regular I/O pin in
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* the MATRIX module. For more information see the SAM V71 datasheet.
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*/
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#define BUTTON_SW0 0
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#define BUTTON_SW1 1
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#define NUM_BUTTONS 2
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#define BUTTON_SW0_BIT (1 << BUTTON_SW0)
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#define BUTTON_SW1_BIT (1 << BUTTON_SW1)
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/* PIO Disambiguation ***************************************************************/
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/* Serial Console
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*
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* The SAMV71-XULT has no on-board RS-232 drivers so it will be necessary to use
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* either the VCOM or an external RS-232 driver. Here are some options.
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*
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* - Arduino Serial Shield: One option is to use an Arduino-compatible
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* serial shield. This will use the RXD and TXD signals available at pins
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* 0 an 1, respectively, of the Arduino "Digital Low" connector. On the
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* SAMV71-XULT board, this corresponds to UART3:
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*
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* ------ ------ ------- ------- --------
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* Pin on SAMV71 Arduino Arduino SAMV71
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* J503 PIO Name Pin Function
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* ------ ------ ------- ------- --------
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* 1 PD28 RX0 0 URXD3
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* 2 PD30 TX0 1 UTXD3
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* ------ ------ ------- ------- --------
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*
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* There are alternative pin selections only for UTXD3:
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*/
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#define GPIO_UART3_TXD GPIO_UART3_TXD_1
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/* - SAMV7-XULT EXTn connectors. USART pins are also available the EXTn
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* connectors. The following are labelled in the User Guide for USART
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* functionality:
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*
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* ---- -------- ------ --------
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* EXT1 EXTI1 SAMV71 SAMV71
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* Pin Name PIO Function
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* ---- -------- ------ --------
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* 13 USART_RX PB00 RXD0
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* 14 USART_TX PB01 TXD0
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*
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* ---- -------- ------ --------
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* EXT2 EXTI2 SAMV71 SAMV71
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* Pin Name PIO Function
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* ---- -------- ------ --------
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* 13 USART_RX PA21 RXD1
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* 14 USART_TX PB04 TXD1
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*
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* There are no alternative pin selections for USART0 or USART1.
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*/
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/* - VCOM. The Virtual Com Port gateway is available on USART1:
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*
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* ------ --------
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* SAMV71 SAMV71
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* PIO Function
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* ------ --------
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* PB04 TXD1
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* PA21 RXD1
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* ------ --------
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*
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* There are no alternative pin selections for USART1.
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*/
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/* WM8904 Audio Codec
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*
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* SAMV71 Interface WM8904 Interface
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* ---- ------------ ------- ----------------------------------
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* PIO Usage Pin Function
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* ---- ------------ ------- ----------------------------------
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* PA3 TWD0 SDA I2C control interface, data line
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* PA4 TWCK0 SCLK I2C control interface, clock line
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* PA10 RD ADCDAT Digital audio output (microphone)
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* PB18 PCK2 MCLK Master clock
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* PB0 TF LRCLK Left/right data alignment clock
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* PB1 TK BCLK Bit clock, for synchronization
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* PD11 GPIO IRQ Audio interrupt
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* PD24 RF LRCLK Left/right data alignment clock
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* PD26 TD DACDAT Digital audio input (headphone)
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* ---- ------------ ------- ----------------------------------
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*
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* SSC
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*
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* Alternative pin selections are available only for SSC0 TD.
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* On the SAMV71-XULT board, PD26 supports the I2S TD function
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*/
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#define GPIO_SSC0_TD GPIO_SSC0_TD_1
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/* maXTouch Xplained Pro LCD
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*
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* maXTouch Xplained Pro Standard Extension Header
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* -----------------------------------------------
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* This LCD could be connected either via EXT1 or EXT2 using the 2x10
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* 20-pin cable and the maXTouch Xplained Pro standard extension
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* header. Access is then performed in SPI mode.
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*
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* ---- -------- ---- ----------- ---- ----------- ------------------------------------------
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* SAMV71-XULT maxTouch Xplained Pro
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* PIN FUNCTION EXT1 FUNC EXT2 FUNC Description
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* ---- -------- ---- ----------- ---- ----------- ------------------------------------------
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* 1 ID - - - - Communication line to ID chip
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* 2 GND - - - - Ground
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* 3 N/C PC31 - PD30 -
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* 4 N/C PA19 - PC13 -
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* 5 GPIO PB3 GPIO PA6 GPIO Command/Data Select
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* 6 N/C PB2 - PD11 -
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* 7 PWM PA0 PWMC0_PWMH0 PC19 PWMC0_PMWH2 Backlight control
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* 8 N/C PC30 - PD26 -
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* 9 GPIO/IRQ PD28 GPIO PA2 GPIO IRQ from maXTouch controller
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* 10 GPIO PA5 GPIO PA24 GPIO RESET signal for maXTouch and LCD controller
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* 11 I2C SDA PA3 TWID0 PA3 TWID0 I2C Data line for maXTouch controller
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* 12 I2C SCL PA4 TWICK0 PA4 TWICK0 I2C Clock line for maXTouch controller
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* 13 N/C PB0 - PA21 -
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* 14 N/C PB1 - PB4 -
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* 15 CS PD25 GPIO PD27 GPIO CS line for LCD controller
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* 16 SPI MOSI PD21 SPI0_MOSI PD21 SPI0_MOSI SPI Data to LCD controller
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* 17 SPI MISO PD20 SPI0_MISO PD20 SPI0_MISO SPI Data from LCD controller
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* 18 SPI SCK PD22 SPI0_SPCK PD22 SPI0_SPCK SPI Clock line
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* 19 GND - - - - Ground
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* 20 VCC - - - - Target supply voltage
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* ---- -------- ---- ----------- ---- ----------- ------------------------------------------
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*
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* There are no alternatives for SPI0 and TWI0 pins. Only the PWM pins require any
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* disambiguration.
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*/
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#ifdef CONFIG_SAMV71XULT_MXTXLND
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# if defined(CONFIG_SAMV71XULT_MXTXLND_EXT1)
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# define GPIO_PWMC0_H0 GPIO_PWMC0_H0_1
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# define GPIO_MXTXLND_PWM GPIO_PWMC0_H0_1
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# define GPIO_SPI0_NPCS1 GPIO_SPI0_NPCS1_2
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# elif defined(CONFIG_SAMV71XULT_MXTXLND_EXT2)
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# define GPIO_PWMC0_H2 GPIO_PWMC0_H2_5
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# define GPIO_MXTXLND_PWM GPIO_PWMC0_H2_5
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/* maXTouch Xplained Pro Xplained Pro LCD Connector
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* ------------------------------------------------
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* It is also possible to connect the LCD via the flat cable to the EXT4 LCD
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* connector. In this case, you would use the SMC/EBI to communicate with the
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* LCD.
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*
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* ---- ------------ ---- -------- -----------------------------------------------------------
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* LCD SAMV71 Description
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* Pin Function Pin Function
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* ---- ------------ ---- -------- -----------------------------------------------------------
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* 1 ID - - Communication line to ID chip on extension board
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* 2 GND - GND Ground
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* 3 D0 PC0 D0 Data line
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* 4 D1 PC1 D1 Data line
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* 5 D2 PC2 D2 Data line
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* 6 D3 PC3 D3 Data line
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* 7 GND - GND Ground
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* 8 D4 PC4 D4 Data line
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* 9 D5 PC5 D5 Data line
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* 10 D6 PC6 D6 Data line
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* 11 D7 PC7 D7 Data line
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* 12 GND - GND Ground
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* 13 D8 PE0 D8 Data line
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* 14 D9 PE1 D9 Data line
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* 15 D10 PE2 D10 Data line
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* 16 D11 PE3 D11 Data line
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* 17 GND - GND Ground
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* 18 D12 PE4 D12 Data line
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* 19 D12 PE5 D13 Data line
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* 20 D14 PA15 D14 Data line
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* 21 D15 PA16 D15 Data line
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* 22 GND - GND Ground
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* 23 D16 - - Data line
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* 24 D17 - - Data line
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* 25 N/C - -
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* 26 N/C - -
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* 27 GND - GND Ground
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* 28 N/C - -
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* 29 N/C - -
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* 30 N/C - -
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* 31 N/C - -
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* 32 GND - GND Ground
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* 33 PCLK/ PC30 GPIO RGB: Pixel clock Display RAM select.
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* CMD_DATA_SEL MCU: One address line of the MCU for displays where it
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* is possible to select either the register or the
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* data interface
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* 34 VSYNC/CS PD19 NCS3 RGB: Vertical synchronization
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* MCU: Chip select
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* 35 HSYNC/WE PC8 NWE RGB: Horizontal synchronization
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* MCU: Write enable signal
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* 36 DATA ENABLE/ PC11 NRD RGB: Data enable signal
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* RE MCU: Read enable signal
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* 37 SPI SCK - - MCU: Clock for SPI
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* 38 SPI MOSI - - MCU: Master out slave in line of SPI
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* 39 SPI MISO - - MCU: Master in slave out line of SPI
|
|
* 40 SPI SS - - MCU: Slave select for SPI
|
|
* 41 N/C - -
|
|
* 42 TWI SDA PA3 TWD0 I2C data line (maXTouch®)
|
|
* 43 TWI SCL PA4 TWCK0 I2C clock line (maXTouch)
|
|
* 44 IRQ1 PD28 WKUP5 maXTouch interrupt line
|
|
* 45 N/C PA2 WKUP2
|
|
* 46 PWM PC9 TIOB7 Backlight control
|
|
* 47 RESET PC13 GPIO Reset for both display and maxTouch
|
|
* 48 VCC - - 3.3V power supply for extension board
|
|
* 49 VCC - - 3.3V power supply for extension board
|
|
* 50 GND - - Ground
|
|
* ---- ------------ ---- -------- -----------------------------------------------------------
|
|
*
|
|
* There are no alternatives for SMC/EBI, TWI0, or TIOB pins. No pin disambiguration
|
|
* is necessary.
|
|
*/
|
|
|
|
# elif defined(CONFIG_SAMV71XULT_MXTXLND_LCD)
|
|
|
|
# endif
|
|
#endif /* CONFIG_SAMV71XULT_MXTXLND */
|
|
|
|
/************************************************************************************
|
|
* Public Types
|
|
************************************************************************************/
|
|
|
|
/************************************************************************************
|
|
* Public Data
|
|
************************************************************************************/
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#undef EXTERN
|
|
#if defined(__cplusplus)
|
|
#define EXTERN extern "C"
|
|
extern "C"
|
|
{
|
|
#else
|
|
#define EXTERN extern
|
|
#endif
|
|
|
|
/************************************************************************************
|
|
* Public Functions
|
|
************************************************************************************/
|
|
|
|
/************************************************************************************
|
|
* Name: sam_ledinit, sam_setled, and sam_setleds
|
|
*
|
|
* Description:
|
|
* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board LEDs. If
|
|
* CONFIG_ARCH_LEDS is not defined, then the following interfaces are available to
|
|
* control the LEDs from user applications.
|
|
*
|
|
************************************************************************************/
|
|
|
|
#ifndef CONFIG_ARCH_LEDS
|
|
void sam_ledinit(void);
|
|
void sam_setled(int led, bool ledon);
|
|
void sam_setleds(uint8_t ledset);
|
|
#endif
|
|
|
|
/************************************************************************************
|
|
* Name: sam_lcdclear
|
|
*
|
|
* Description:
|
|
* This is a non-standard LCD interface just for the SAM4e-EK board. Because
|
|
* of the various rotations, clearing the display in the normal way by writing a
|
|
* sequences of runs that covers the entire display can be very slow. Here the
|
|
* display is cleared by simply setting all GRAM memory to the specified color.
|
|
*
|
|
************************************************************************************/
|
|
|
|
#if defined(CONFIG_SAM4EEK_LCD_RGB565)
|
|
void sam_lcdclear(uint16_t color);
|
|
#else /* if defined(CONFIG_SAM4EEK_LCD_RGB24) defined(CONFIG_SAM4EEK_LCD_RGB32) */
|
|
void sam_lcdclear(uint32_t color);
|
|
#endif
|
|
|
|
#undef EXTERN
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
#endif /* __CONFIGS_SAMV71_XULT_INCLUDE_BOARD_H */
|