423 lines
16 KiB
Plaintext
423 lines
16 KiB
Plaintext
README
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^^^^^^
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README for NuttX port to the Zilogic's ZKIT-ARM-1769 [NXP-LPC1769]
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board.
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Contents
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^^^^^^^^
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ZKit-ARM LPC1769 Board
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LEDs
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ZKit-ARM Configuration Options
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Configurations
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Zilogic's ZKit-ARM-1769 Board
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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Pin Description On Board Connector
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-------------------------------- ---------------- -------------
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P0.0/RD1/TXD3/SDA1 RD1 CAN1
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P0.1/TD1/RXD3/SCL1 TD1
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P0.2/TXD0/AD0.7 TXD0 COM0
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P0.3/RXD0/AD0.6 RXD0
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P0.4/I2SRX_CLK/RD2/CAP2.0 GPIO0
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P0.5/I2SRX_WS/TD2/CAP2.1 GPIO1
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P0.6/I2SRX_SDA/SSEL1/MAT2.0 SSEL1 SPI
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P0.7/I2STX_CLK/SCK1/MAT2.1 SCK1
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P0.8/I2STX_WS/MISO1/MAT2.2 MISO1
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P0.9/I2STX_SDA/MOSI1/MAT2.3 MOSI1
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P0.10/TXD2/SDA2/MAT3.0 TXD2 COM2
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P0.11/RXD2/SCL2/MAT3.1 RXD2
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P0.15/TXD1/SCK0/SCK SD-SCK
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P0.16/RXD1/SSEL0/SSEL SD-SSEL SD-CARD
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P0.17/CTS1/MISO0/MISO SD-MISO
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P0.18/DCD1/M0SI0/MOSI SD-MOSI
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P0.19/DSR1/SDA1 LED1
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P0.20/DTR1/SCL1 DTR1 COM1
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P0.21/RI1/RD1 NC LED2
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P0.22/RTS1/TD1 RTS1 COM1
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P0.23/AD0.0/I2SRX_CLK/CAP3.0 AD0
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P0.24/AD0.1/I2SRX_WS/CAP3.1 AD1 AIN
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P0.25/AD0.2/I2SRX_SDA/TXD3 AD2
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P0.26/AD0.3/AOUT/RXD3 AD3
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P0.27/SDA0/USB_SDA SDA0 I2C0
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P0.28/SCL0/USB_SCL SCL0
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P0.29/USB_D+ USB-D+ USB
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P0.30/USB_D- USB-D-
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P1.0/ENET_TXD0 ETH-TXD0
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P1.1/ENET_TXD1 ETH-TXD1
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P1.4/ENET_TX_EN ETH-TXEN
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P1.8/ENET_CRS ETH-CRS
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P1.9/ENET_RXD0 ETH-RXD0 ETH
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P1.10/ENET_RXD1 ETH-RXD1
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P1.14/ENET_RX_ER ETH-RXER
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P1.15/ENET_REF_CLK ETH-REFCLK
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P1.16/ENET_MDC ETH-MDC
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P1.17/ENET_MDIO ETH-MDIO
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P1.18/USB_UP_LED/PWM1.1/CAP1.0 USB-UP-LED
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P1.19/MCOA0/nUSB_PPWR/CAP1.1 KEY1
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P1.20/MCFB0/PWM1.2/SCK0 LCD-SCK
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P1.21/MCABORT/PWM1.3/SSEL0 LCD-SSEL
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P1.22/MCOB0/USB_PWRD/MAT1.0 LCD-A0 LCD
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P1.23/MCFB1/PWM1.4/MISO0 NC
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P1.24/MCFB2/PWM1.5/MOSI0 LCD_MOSI
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P1.25/MCOA1/MAT1.1 LCD-RST
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P1.26/MCOB1/PWM1.6/CAP0.0 LCD-AO
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P1.27/CLKOUT/nUSB_OVRCR/CAP0.1 KEY2
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P1.28/MCOA2/MAT0.0 KEY3
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P1.29/MCOB2/PCAP1.1/MAT0.1 CAP1 PWM-CON
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P1.30/VBUS/AD0.4 VBUS USB
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P1.31/SCK1/AD0.5 KEY4
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P2.0/PWM1.1/TXD1 TXD1
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P2.1/PWM1.2/RXD1 RXD1 COM1
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P2.2/PWM1.3/CTS1/TRACEDATA3 CTS1
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P2.3/PWM1.4/DCD1/TRACEDATA2 PWM4
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P2.4/PWM1.5/DSR1/TRACEDATA1 PWM5 PWM
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P2.5/PWM1.6/DTR1/TRACEDATA0 PWM6
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P2.6/PCAP1.0/RI1/TRACECLK CAP0
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P2.7/RD2/RTS1 RD2 CAN2
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P2.8/TD2/TXD2 TD2
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P2.9/USB_CONNECT/RXD2 USB_CONNECT USB
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P2.10/nEINT0/NMI ISP
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P2.11/nEINT1/I2STX_CLK INT1 I2C
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P2.12/nEINT2/I2STX_WS SD-DET SD-CARD
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P2.13/nEINT3/I2STX_SDA KEY5
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P3.25/MAT0.0/PWM1.2 PWM2 PWM
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P3.26/STCLK/MAT0.1/PWM1.3 PWM3
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P4.28/RX_MCLK/MAT2.0/TXD3 GPIO2 SPI
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P4.28/RX_MCLK/MAT2.0/TXD3 GPIO3
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Zilogic's ZKit-ARM-1769 Board
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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SD Slot
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-------
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Board LPC1768
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SD Signal Pin
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--- ----------- ----------
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CS SD-SSEL P0.16 SSEL0
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DIN SD-MOSI P0.18 MOSI0
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DOUT SD-MISO P0.17 MISO0
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CLK SD-SCK P0.15 SCK0
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CD SD-DET P2.12
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USB Device
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----------
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Board LPC1768
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Signal Pin
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----------------- -----------------
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USB_CONNECT P2.9 USB_CONNECT
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USB_DM P0.29 USB_D-
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USB_DP P0.30 USB_D+
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USB_VBUS P1.30 USB_VBUS
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USB_UPLED P1.18 USB_UPLED
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128x64 LCD with SPI interface
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---------------------------------------
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The LCD display is connected to the SPI-bus.
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ZKit-ARM Signals
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----------------------------+--------------- -------------------------------------------
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LPC1758 Pin | Board Signal Description
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----------------------------+--------------- -------------------------------------------
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P1.20/MCFB0/PWM1.2/SCK0 | LCD-SCK LCD Clock signal (D6)
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P1.21/MCABORT/PWM1.3/SSEL0 | LCD-SSEL LCD Chip Select (CSB)
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P1.22/MCOB0/USB_PWRD/MAT1.0 | LCD-A0 LCD-A0 (A0)
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P1.23/MCFB1/PWM1.4/MISO0 | N.C
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P1.24/MCFB2/PWM1.5/MOSI0 | LCD-MOSI LCD Data (D7)
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P1.25/MCOA1/MAT1.1 | LCD-RST LCD Reset (RSTB) - Resets Everything in LCD
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----------------------------+--------------- -------------------------------------------
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LEDs
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^^^^
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If CONFIG_ARCH_LEDS is defined, then support for the ZKit-ARM LEDs will be
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included in the build. See:
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- boards/arm/lpc17xx_40xx/zkit-arm-1769/include/board.h - Defines LED constants, types and
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prototypes the LED interface functions.
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- boards/arm/lpc17xx_40xx/zkit-arm-1769/src/zkit-arm-1769.h - GPIO settings for the LEDs.
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- boards/arm/lpc17xx_40xx/zkit-arm-1769/src/up_leds.c - LED control logic.
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The ZKit-ARM LPC1768 has a single LEDs (there are more on the Embedded Artists
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base board, but those are not controlled by NuttX). Usage this single LED by NuttX
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is as follows:
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- The LED is not illuminated until the ZKit-ARM completes initialization.
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If the LED is stuck in the OFF state, this means that the ZKit-ARM did not
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complete initialization.
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- Each time the OS enters an interrupt (or a signal) it will turn the LED OFF and
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restores its previous stated upon return from the interrupt (or signal).
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The normal state, after initialization will be a dull glow. The brightness of
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the glow will be inversely related to the proportion of time spent within interrupt
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handling logic. The glow may decrease in brightness when the system is very
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busy handling device interrupts and increase in brightness as the system becomes
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idle.
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Stuck in the OFF state suggests that that the system never completed
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initialization; Stuck in the ON state would indicated that the system
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initialized, but is not taking interrupts.
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- If a fatal assertion or a fatal unhandled exception occurs, the LED will flash
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strongly as a slow, 2Hz rate.
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ZKit-ARM Configuration Options
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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General Architecture Settings:
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CONFIG_ARCH - Identifies the arch/ subdirectory. This should
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be set to:
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CONFIG_ARCH=arm
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CONFIG_ARCH_family - For use in C code:
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CONFIG_ARCH_ARM=y
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CONFIG_ARCH_architecture - For use in C code:
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CONFIG_ARCH_CORTEXM3=y
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CONFIG_ARCH_CHIP - Identifies the arch/*/chip subdirectory
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CONFIG_ARCH_CHIP=lpc17xx
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CONFIG_ARCH_CHIP_name - For use in C code to identify the exact
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chip:
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CONFIG_ARCH_CHIP_LPC1768=y
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CONFIG_ARCH_BOARD - Identifies the boards/ subdirectory and
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hence, the board that supports the particular chip or SoC.
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CONFIG_ARCH_BOARD=zkit-arm-1769
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CONFIG_ARCH_BOARD_name - For use in C code
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CONFIG_ARCH_BOARD_ZKITARM=y
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CONFIG_ARCH_LOOPSPERMSEC - Must be calibrated for correct operation
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of delay loops
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CONFIG_ENDIAN_BIG - define if big endian (default is little
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endian)
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CONFIG_RAM_SIZE - Describes the installed DRAM (CPU SRAM in this case):
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CONFIG_RAM_SIZE=(32*1024) (32Kb)
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There is an additional 32Kb of SRAM in AHB SRAM banks 0 and 1.
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CONFIG_RAM_START - The start address of installed DRAM
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CONFIG_RAM_START=0x10000000
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CONFIG_ARCH_LEDS - Use LEDs to show state. Unique to boards that
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have LEDs
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CONFIG_ARCH_INTERRUPTSTACK - This architecture supports an interrupt
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stack. If defined, this symbol is the size of the interrupt
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stack in bytes. If not defined, the user task stacks will be
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used during interrupt handling.
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CONFIG_ARCH_STACKDUMP - Do stack dumps after assertions
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CONFIG_ARCH_LEDS - Use LEDs to show state. Unique to board architecture.
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Individual subsystems can be enabled:
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CONFIG_LPC17_40_MAINOSC=y
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CONFIG_LPC17_40_PLL0=y
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CONFIG_LPC17_40_PLL1=n
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CONFIG_LPC17_40_ETHERNET=n
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CONFIG_LPC17_40_USBHOST=n
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CONFIG_LPC17_40_USBOTG=n
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CONFIG_LPC17_40_USBDEV=n
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CONFIG_LPC17_40_UART0=y
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CONFIG_LPC17_40_UART1=n
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CONFIG_LPC17_40_UART2=n
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CONFIG_LPC17_40_UART3=n
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CONFIG_LPC17_40_CAN1=n
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CONFIG_LPC17_40_CAN2=n
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CONFIG_LPC17_40_SPI=n
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CONFIG_LPC17_40_SSP0=n
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CONFIG_LPC17_40_SSP1=n
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CONFIG_LPC17_40_I2C0=n
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CONFIG_LPC17_40_I2C1=n
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CONFIG_LPC17_40_I2S=n
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CONFIG_LPC17_40_TMR0=n
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CONFIG_LPC17_40_TMR1=n
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CONFIG_LPC17_40_TMR2=n
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CONFIG_LPC17_40_TMR3=n
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CONFIG_LPC17_40_RIT=n
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CONFIG_LPC17_40_PWM0=n
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CONFIG_LPC17_40_MCPWM=n
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CONFIG_LPC17_40_QEI=n
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CONFIG_LPC17_40_RTC=n
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CONFIG_LPC17_40_WDT=n
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CONFIG_LPC17_40_ADC=n
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CONFIG_LPC17_40_DAC=n
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CONFIG_LPC17_40_GPDMA=n
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CONFIG_LPC17_40_FLASH=n
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LPC17xx/LPC40xx specific device driver settings
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CONFIG_UARTn_SERIAL_CONSOLE - selects the UARTn for the
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console and ttys0 (default is the UART0).
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CONFIG_UARTn_RXBUFSIZE - Characters are buffered as received.
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This specific the size of the receive buffer
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CONFIG_UARTn_TXBUFSIZE - Characters are buffered before
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being sent. This specific the size of the transmit buffer
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CONFIG_UARTn_BAUD - The configure BAUD of the UART. Must be
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CONFIG_UARTn_BITS - The number of bits. Must be either 7 or 8.
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CONFIG_UARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity
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CONFIG_UARTn_2STOP - Two stop bits
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LPC17xx/LPC40xx specific CAN device driver settings. These settings all
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require CONFIG_CAN:
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CONFIG_CAN_EXTID - Enables support for the 29-bit extended ID. Default
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Standard 11-bit IDs.
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CONFIG_LPC17_40_CAN1_BAUD - CAN1 BAUD rate. Required if CONFIG_LPC17_40_CAN1
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is defined.
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CONFIG_LPC17_40_CAN2_BAUD - CAN1 BAUD rate. Required if CONFIG_LPC17_40_CAN2
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is defined.
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CONFIG_LPC17_40_CAN1_DIVISOR - CAN1 is clocked at CCLK divided by this
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number. (the CCLK frequency is divided by this number to get the CAN
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clock). Options = {1,2,4,6}. Default: 4.
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CONFIG_LPC17_40_CAN2_DIVISOR - CAN2 is clocked at CCLK divided by this
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number. (the CCLK frequency is divided by this number to get the CAN
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clock). Options = {1,2,4,6}. Default: 4.
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CONFIG_LPC17_40_CAN_TSEG1 - The number of CAN time quanta in segment 1.
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Default: 6
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CONFIG_LPC17_40_CAN_TSEG2 = the number of CAN time quanta in segment 2.
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Default: 7
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LPC17xx/LPC40xx specific PHY/Ethernet device driver settings. These setting
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also require CONFIG_NET and CONFIG_LPC17_40_ETHERNET.
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CONFIG_ETH0_PHY_KS8721 - Selects Micrel KS8721 PHY
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CONFIG_LPC17_40_PHY_AUTONEG - Enable auto-negotiation
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CONFIG_LPC17_40_PHY_SPEED100 - Select 100Mbit vs. 10Mbit speed.
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CONFIG_LPC17_40_PHY_FDUPLEX - Select full (vs. half) duplex
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CONFIG_LPC17_40_EMACRAM_SIZE - Size of EMAC RAM. Default: 16Kb
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CONFIG_LPC17_40_ETH_NTXDESC - Configured number of Tx descriptors. Default: 18
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CONFIG_LPC17_40_ETH_NRXDESC - Configured number of Rx descriptors. Default: 18
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CONFIG_LPC17_40_ETH_WOL - Enable Wake-up on Lan (not fully implemented).
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CONFIG_NET_REGDEBUG - Enabled low level register debug. Also needs
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CONFIG_DEBUG_FEATURES.
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CONFIG_NET_DUMPPACKET - Dump all received and transmitted packets.
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Also needs CONFIG_DEBUG_FEATURES.
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CONFIG_LPC17_40_ETH_HASH - Enable receipt of near-perfect match frames.
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CONFIG_LPC17_40_MULTICAST - Enable receipt of multicast (and unicast) frames.
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Automatically set if CONFIG_NET_MCASTGROUP is selected.
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LPC17xx/LPC40xx USB Device Configuration
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CONFIG_LPC17_40_USBDEV_FRAME_INTERRUPT
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Handle USB Start-Of-Frame events.
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Enable reading SOF from interrupt handler vs. simply reading on demand.
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Probably a bad idea... Unless there is some issue with sampling the SOF
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from hardware asynchronously.
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CONFIG_LPC17_40_USBDEV_EPFAST_INTERRUPT
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Enable high priority interrupts. I have no idea why you might want to
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do that
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CONFIG_LPC17_40_USBDEV_NDMADESCRIPTORS
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Number of DMA descriptors to allocate in SRAM.
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CONFIG_LPC17_40_USBDEV_DMA
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Enable lpc17xx/lpc40xx-specific DMA support
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CONFIG_LPC17_40_USBDEV_NOVBUS
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Define if the hardware implementation does not support the VBUS signal
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CONFIG_LPC17_40_USBDEV_NOLED
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Define if the hardware implementation does not support the LED output
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LPC17xx/LPC40xx USB Host Configuration (the ZKit-ARM does not support USB Host)
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CONFIG_LPC17_40_OHCIRAM_SIZE
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Total size of OHCI RAM (in AHB SRAM Bank 1)
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CONFIG_LP17_USBHOST_NEDS
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Number of endpoint descriptors
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CONFIG_LP17_USBHOST_NTDS
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Number of transfer descriptors
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CONFIG_LPC17_40_USBHOST_TDBUFFERS
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Number of transfer descriptor buffers
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CONFIG_LPC17_40_USBHOST_TDBUFSIZE
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Size of one transfer descriptor buffer
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CONFIG_LPC17_40_USBHOST_IOBUFSIZE
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Size of one end-user I/O buffer. This can be zero if the
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application can guarantee that all end-user I/O buffers
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reside in AHB SRAM.
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Configurations
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^^^^^^^^^^^^^^
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Each ZKit-ARM configuration is maintained in a sudirectory and can be
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selected as follow:
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tools/configure.sh zkit-arm-1769:<subdir>
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Where <subdir> is one of the following:
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hello:
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This builds an example application using apps/examples/hello. See
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apps/examples/README.txt for information about the examples.
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NOTES:
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1. This configuration uses the mconf-based configuration tool. To
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change this configuration using that tool, you should:
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a. Build and install the kconfig-mconf tool. See nuttx/README.txt
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see additional README.txt files in the NuttX tools repository.
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b. Execute 'make menuconfig' in nuttx/ in order to start the
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reconfiguration process.
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2. Default toolchain:
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CONFIG_HOST_LINUX=y : Builds under Windows (or Cygwin)
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CONFIG_ARM_TOOLCHAIN_BUILDROOT=y : NuttX buildroot toolchain
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thttpd:
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This builds the THTTPD web server example using the THTTPD and
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the apps/examples/thttpd application.
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NOTES:
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1. This configuration uses the mconf-based configuration tool. To
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change this configuration using that tool, you should:
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a. Build and install the kconfig-mconf tool. See nuttx/README.txt
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see additional README.txt files in the NuttX tools repository.
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b. Execute 'make menuconfig' in nuttx/ in order to start the
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reconfiguration process.
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2. Default toolchain:
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CONFIG_HOST_LINUX=y : Builds under Windows (or Cygwin)
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CONFIG_ARM_TOOLCHAIN_BUILDROOT=y : NuttX buildroot toolchain
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3. TCP/IP (only) networking is enabled with this configuration:
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CONFIG_EXAMPLES_THTTPD_NOMAC=y : Will use MAC 00:e0:de:ad:be:ef
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CONFIG_EXAMPLES_THTTPD_DRIPADDR=0xac100002 : Gateway 172.16.00.02
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CONFIG_EXAMPLES_THTTPD_NETMASK=0xffffff00 : Netmask 255.255.255.0
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4. You will need to build the NXFLAT toolchain as described above in
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order to use this example.
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