sandeepmistry · needs-coffee · Oct 18, 2024
diff --git a/variants/nRF52840DK_generic/pins_arduino.h b/variants/nRF52840DK_generic/pins_arduino.h
@@ -0,0 +1,17 @@
+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+// API compatibility
+#include "variant.h"
diff --git a/variants/nRF52840DK_generic/variant.cpp b/variants/nRF52840DK_generic/variant.cpp
@@ -0,0 +1,74 @@
+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
+  Copyright (c) 2024 Joe Campbell All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include "variant.h"
+
+const uint32_t g_ADigitalPinMap[] = {
+    0,   // P0.00 - XL1 32.768kHz crystal
+    1,   // P0.01 - XL2 32.768kHz crystal
+    2,   // P0.02 - A7 - AREF
+    3,   // P0.03 - A0
+    4,   // P0.04 - A1
+    5,   // P0.05 - A6 - JLINK_SERIAL_RTS
+    6,   // P0.06 - JLINK_SERIAL_TX
+    7,   // P0.07 - JLINK_SERIAL_CTS
+    8,   // P0.08 - JLINK_SERIAL_RX
+    9,   // P0.09 - NFC1
+    10,  // P0.10 - NFC2
+    11,  // P0.11 - BUTTON1
+    12,  // P0.12 - BUTTON2
+    13,  // P0.13 - LED1
+    14,  // P0.14 - LED2
+    15,  // P0.15 - LED3
+    16,  // P0.16 - LED4
+    17,  // P0.17 - QSPI_CS
+    18,  // P0.18 - RESET
+    19,  // P0.19 - QSPI_CLK
+    20,  // P0.20 - QSPI_DIO0
+    21,  // P0.21 - QSPI_DIO1
+    22,  // P0.22 - QSPI_DIO2
+    23,  // P0.23 - QSPI_DIO3
+    24,  // P0.24 - BUTTON3
+    25,  // P0.25 - BUTTON4
+    26,  // P0.26 - SDA
+    27,  // P0.27 - SCL
+    28,  // P0.28 - A2
+    29,  // P0.29 - A3
+    30,  // P0.30 - A4
+    31,  // P0.31 - A5
+#if GPIO_COUNT > 1
+    32,  // P1.00 - SWO
+    33,  // P1.01 - D0
+    34,  // P1.02 - D1
+    35,  // P1.03 - D2
+    36,  // P1.04 - D3
+    37,  // P1.05 - D4
+    38,  // P1.06 - D5
+    39,  // P1.07 - D6
+    40,  // P1.08 - D7
+    41,  // P1.09
+    42,  // P1.10 - D8
+    43,  // P1.11 - D9
+    44,  // P1.12 - D10 - SS
+    45,  // P1.13 - D11 - MISO
+    46,  // P1.14 - D12 - MOSI
+    47,  // P1.15 - D13 - SCK
+#endif
+};
diff --git a/variants/nRF52840DK_generic/variant.h b/variants/nRF52840DK_generic/variant.h
@@ -0,0 +1,126 @@
+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
+  Copyright (c) 2024 Joe Campbell All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef _VARIANT_NRF52840_GENERIC_DK_
+#define _VARIANT_NRF52840_GENERIC_DK_
+
+/** Master clock frequency */
+#define VARIANT_MCK       (64000000ul)
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+
+#include "WVariant.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif // __cplusplus
+
+// Number of pins defined in PinDescription array
+#define PINS_COUNT           (48u)
+#define NUM_DIGITAL_PINS     (48u)
+#define NUM_ANALOG_INPUTS    (6u)
+#define NUM_ANALOG_OUTPUTS   (0u)
+
+// LEDs
+#define PIN_LED1                (13)
+#define PIN_LED2                (14)
+#define PIN_LED3                (15)
+#define PIN_LED4                (16)
+#define LED_BUILTIN             PIN_LED1
+
+// Buttons
+#define PIN_BUTTON1             (11)
+#define PIN_BUTTON2             (12)
+#define PIN_BUTTON3             (24)
+#define PIN_BUTTON4             (25)
+
+#define PIN_NFC_1	            (9)
+#define PIN_NFC_2	            (10)
+
+/*
+ * Analog pins
+ */
+#define PIN_A0               (3)
+#define PIN_A1               (4)
+#define PIN_A2               (28)
+#define PIN_A3               (29)
+#define PIN_A4               (30)
+#define PIN_A5               (31)
+#define PIN_A6               (5) /* AIN3 (P0.05)        */
+#define PIN_A7               (2) /* AIN0 (P0.02) / AREF */
+
+static const uint8_t A0  = PIN_A0 ; // AIN1
+static const uint8_t A1  = PIN_A1 ; // AIN2
+static const uint8_t A2  = PIN_A2 ; // AIN4
+static const uint8_t A3  = PIN_A3 ; // AIN5
+static const uint8_t A4  = PIN_A4 ; // AIN6
+static const uint8_t A5  = PIN_A5 ; // AIN7
+static const uint8_t A6  = PIN_A6 ; // AIN3 (P0.05)
+static const uint8_t A7  = PIN_A7 ; // AIN0 (P0.02) / AREF
+#define ADC_RESOLUTION    14
+
+// Other pins
+#define PIN_AREF           (2)
+static const uint8_t AREF = PIN_AREF;
+
+/*
+ * Serial interfaces
+ */
+// Serial
+#define PIN_SERIAL_RX       (8)
+#define PIN_SERIAL_TX       (6)
+
+/*
+ * SPI Interfaces
+ */
+#define SPI_INTERFACES_COUNT 1
+
+#define PIN_SPI_MISO         (46)
+#define PIN_SPI_MOSI         (45)
+#define PIN_SPI_SCK          (47)
+
+static const uint8_t SS   = 44 ;
+static const uint8_t MOSI = PIN_SPI_MOSI ;
+static const uint8_t MISO = PIN_SPI_MISO ;
+static const uint8_t SCK  = PIN_SPI_SCK ;
+
+/*
+ * Wire Interfaces
+ */
+#define WIRE_INTERFACES_COUNT 1
+
+#define PIN_WIRE_SDA         (26)
+#define PIN_WIRE_SCL         (27)
+
+static const uint8_t SDA = PIN_WIRE_SDA;
+static const uint8_t SCL = PIN_WIRE_SCL;
+
+#define RESET_PIN            (18)
+
+#ifdef __cplusplus
+}
+#endif
+
+/*----------------------------------------------------------------------------
+ *        Arduino objects - C++ only
+ *----------------------------------------------------------------------------*/
+
+#endif