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ports/nrf: Add WT51822-S4AT board.
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‎ports/nrf/README.md‎

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@@ -28,6 +28,7 @@ This is a port of MicroPython to the Nordic Semiconductor nRF series of chips.
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* PCA10001
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* PCA10028
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* PCA10031 (dongle)
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* [WT51822-S4AT](http://www.wireless-tag.com/wireless_module/BLE/WT51822-S4AT.html)
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* nRF52832
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* [PCA10040](http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.nrf52%2Fdita%2Fnrf52%2Fdevelopment%2Fnrf52_dev_kit.html)
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* [Adafruit Feather nRF52](https://www.adafruit.com/product/3406)
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pca10001 | s110 | Peripheral | [Segger](#segger-targets)
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pca10028 | s110 | Peripheral | [Segger](#segger-targets)
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pca10031 | s110 | Peripheral | [Segger](#segger-targets)
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wt51822_s4at | s110 | Peripheral | Manual, see [datasheet](https://4tronix.co.uk/picobot2/WT51822-S4AT.pdf) for pinout
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pca10040 | s132 | Peripheral and Central | [Segger](#segger-targets)
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feather52 | s132 | Peripheral and Central | [UART DFU](#dfu-targets)
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arduino_primo | s132 | Peripheral and Central | [PyOCD](#pyocdopenocd-targets)

‎ports/nrf/boards/wt51822_s4at/mpconfigboard.h‎

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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Ayke van Laethem
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#define WT51822_S4AT
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// Datasheet for board:
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// https://4tronix.co.uk/picobot2/WT51822-S4AT.pdf
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#define MICROPY_HW_BOARD_NAME "WT51822-S4AT"
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#define MICROPY_HW_MCU_NAME "NRF51822"
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#define MICROPY_PY_SYS_PLATFORM "nrf51"
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#define MICROPY_PY_MACHINE_HW_SPI (1)
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#define MICROPY_PY_MACHINE_TIMER (1)
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#define MICROPY_PY_MACHINE_RTC (1)
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#define MICROPY_PY_MACHINE_I2C (1)
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#define MICROPY_PY_MACHINE_ADC (1)
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#define MICROPY_PY_MACHINE_TEMP (1)
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#define MICROPY_HW_HAS_LED (0)
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#define MICROPY_HW_HAS_SWITCH (0)
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#define MICROPY_HW_HAS_FLASH (0)
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#define MICROPY_HW_HAS_SDCARD (0)
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#define MICROPY_HW_HAS_MMA7660 (0)
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#define MICROPY_HW_HAS_LIS3DSH (0)
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#define MICROPY_HW_HAS_LCD (0)
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#define MICROPY_HW_ENABLE_RNG (0)
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#define MICROPY_HW_ENABLE_RTC (0)
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#define MICROPY_HW_ENABLE_TIMER (0)
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#define MICROPY_HW_ENABLE_SERVO (0)
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#define MICROPY_HW_ENABLE_DAC (0)
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#define MICROPY_HW_ENABLE_CAN (0)
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// UART config
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#define MICROPY_HW_UART1_RX (pin_A1)
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#define MICROPY_HW_UART1_TX (pin_A2)
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#define MICROPY_HW_UART1_HWFC (0)
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// SPI0 config
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#define MICROPY_HW_SPI0_NAME "SPI0"
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#define MICROPY_HW_SPI0_SCK (pin_A9)
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#define MICROPY_HW_SPI0_MOSI (pin_A10)
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#define MICROPY_HW_SPI0_MISO (pin_A13)

‎ports/nrf/boards/wt51822_s4at/mpconfigboard.mk‎

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MCU_SERIES = m0
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MCU_VARIANT = nrf51
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MCU_SUB_VARIANT = nrf51822
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LD_FILE = boards/nrf51x22_256k_16k.ld

‎ports/nrf/boards/wt51822_s4at/mpconfigboard_s110.mk‎

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MCU_SERIES = m0
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MCU_VARIANT = nrf51
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MCU_SUB_VARIANT = nrf51822
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SOFTDEV_VERSION = 8.0.0
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LD_FILE = boards/nrf51x22_256k_16k_s110_$(SOFTDEV_VERSION).ld
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CFLAGS += -DBLUETOOTH_LFCLK_RC

‎ports/nrf/boards/wt51822_s4at/nrf51_hal_conf.h‎

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#ifndef NRF51_HAL_CONF_H__
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#define NRF51_HAL_CONF_H__
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#define HAL_UART_MODULE_ENABLED
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#define HAL_SPI_MODULE_ENABLED
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#define HAL_TIME_MODULE_ENABLED
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#define HAL_RTC_MODULE_ENABLED
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#define HAL_TIMER_MODULE_ENABLED
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#define HAL_TWI_MODULE_ENABLED
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#define HAL_ADC_MODULE_ENABLED
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#define HAL_TEMP_MODULE_ENABLED
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#define HAL_RNG_MODULE_ENABLED
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#endif // NRF51_HAL_CONF_H__

‎ports/nrf/boards/wt51822_s4at/pins.csv‎

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PA1,PA1
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PA2,PA2
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PA3,PA3
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PA4,PA4
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PA9,PA9
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PA10,PA10
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PA13,PA13

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