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continue to stub out Preonic board configuration and add variant files
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- Updated `preonic.build.extra_flags` in `boards.txt` to include `-DCFG_TUD_HID=3`
- Added new files `variant.cpp` and `variant.h` in `variants/preonic` directory for Preonic board configuration
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@obra
obra committed Sep 3, 2024
1 parent 951ae06 commit b9764b7
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2 changes: 1 addition & 1 deletion boards.txt
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Expand Up @@ -36,7 +36,7 @@ preonic.build.core=nRF5
preonic.build.variant=keyboardio_preonic
preonic.build.usb_manufacturer="Keyboardio"
preonic.build.usb_product="Preonic"
preonic.build.extra_flags=-DNRF52840_XXAA {build.flags.usb}
preonic.build.extra_flags=-DNRF52840_XXAA -DCFG_TUD_HID=3 {build.flags.usb}
preonic.build.ldscript=nrf52840_s140_v6.ld
preonic.build.openocdscript=scripts/openocd/daplink_nrf52.cfg
preonic.build.vid=0x3496
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107 changes: 107 additions & 0 deletions variants/preonic/variant.cpp
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/*
Copyright (c) 2014-2015 Arduino LLC. All right reserved.
Copyright (c) 2016 Sandeep Mistry All right reserved.
Copyright (c) 2018, Adafruit Industries (adafruit.com)
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"
#include "wiring_constants.h"
#include "wiring_digital.h"
#include "nrf.h"

const uint32_t g_ADigitalPinMap[] =
{
// D0 .. D13
25, // D0 is P0.25 (UART TX)
24, // D1 is P0.24 (UART RX
10, // D2 is P0.10 (NFC2)
47, // D3 is P1.15 (LED1)
42, // D4 is P1.10 (LED2)
40, // D5 is P1.08
7, // D6 is P0.07
34, // D7 is P1.02 (Button)
16, // D8 is P0.16 (NeoPixel)
26, // D9 is P0.26
27, // D10 is P0.27
6, // D11 is P0.06
8, // D12 is P0.08
41, // D13 is P1.09

// D14 .. D21 (aka A0 .. A7)
4, // D14 is P0.04 (A0)
5, // D15 is P0.05 (A1)
30, // D16 is P0.30 (A2)
28, // D17 is P0.28 (A3)
2, // D18 is P0.02 (A4)
3, // D19 is P0.03 (A5)
29, // D20 is P0.29 (A6, Battery)
31, // D21 is P0.31 (A7, ARef)

// D22 .. D23 (aka I2C pins)
12, // D22 is P0.12 (SDA)
11, // D23 is P0.11 (SCL)

// D24 .. D26 (aka SPI pins)
15, // D24 is P0.15 (SPI MISO)
13, // D25 is P0.13 (SPI MOSI)
14, // D26 is P0.14 (SPI SCK )

// QSPI pins (not exposed via any header / test point)
19, // D27 is P0.19 (QSPI CLK)
20, // D28 is P0.20 (QSPI CS)
17, // D29 is P0.17 (QSPI Data 0)
22, // D30 is P0.22 (QSPI Data 1)
23, // D31 is P0.23 (QSPI Data 2)
21, // D32 is P0.21 (QSPI Data 3)

// The remaining NFC pin
9, // D33 is P0.09 (NFC1, exposed only via test point on bottom of board)

// Thus, there are 34 defined pins

// The remaining pins are not usable:
//
//
// The following pins were never listed as they were considered unusable
// 0, // P0.00 is XL1 (attached to 32.768kHz crystal)
// 1, // P0.01 is XL2 (attached to 32.768kHz crystal)
// 18, // P0.18 is RESET (attached to switch)
// 32, // P1.00 is SWO (attached to debug header)
//
// The remaining pins are not connected (per schematic)
// 33, // P1.01 is not connected per schematic
// 35, // P1.03 is not connected per schematic
// 36, // P1.04 is not connected per schematic
// 37, // P1.05 is not connected per schematic
// 38, // P1.06 is not connected per schematic
// 39, // P1.07 is not connected per schematic
// 43, // P1.11 is not connected per schematic
// 44, // P1.12 is not connected per schematic
// 45, // P1.13 is not connected per schematic
// 46, // P1.14 is not connected per schematic
};

void initVariant()
{
// LED1 & LED2
pinMode(PIN_LED1, OUTPUT);
ledOff(PIN_LED1);

pinMode(PIN_LED2, OUTPUT);
ledOff(PIN_LED2);
}

142 changes: 142 additions & 0 deletions variants/preonic/variant.h
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/*
Copyright (c) 2014-2015 Arduino LLC. All right reserved.
Copyright (c) 2016 Sandeep Mistry All right reserved.
Copyright (c) 2018, Adafruit Industries (adafruit.com)
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_PREONIC_
#define _VARIANT_PREONIC_

/** Master clock frequency */
#define VARIANT_MCK (64000000ul)

#define USE_LFXO // Board uses 32khz crystal for LF
// define USE_LFRC // Board uses RC for LF

/*----------------------------------------------------------------------------
* Headers
*----------------------------------------------------------------------------*/

#include "WVariant.h"

#ifdef __cplusplus
extern "C"
{
#endif // __cplusplus

// Number of pins defined in PinDescription array
#define PINS_COUNT (34)
#define NUM_DIGITAL_PINS (34)
#define NUM_ANALOG_INPUTS (6) // A6 is used for battery, A7 is analog reference
#define NUM_ANALOG_OUTPUTS (0)

// LEDs
#define PIN_LED1 (3)
#define PIN_LED2 (4)
#define PIN_NEOPIXEL (8)
#define NEOPIXEL_NUM 1

#define LED_BUILTIN PIN_LED1
#define LED_CONN PIN_LED2

#define LED_RED PIN_LED1
#define LED_BLUE PIN_LED2

#define LED_STATE_ON 1 // State when LED is litted

/*
* Buttons
*/
#define PIN_BUTTON1 (7)

/*
* Analog pins
*/
#define PIN_A0 (14)
#define PIN_A1 (15)
#define PIN_A2 (16)
#define PIN_A3 (17)
#define PIN_A4 (18)
#define PIN_A5 (19)
#define PIN_A6 (20)
#define PIN_A7 (21)

static const uint8_t A0 = PIN_A0 ;
static const uint8_t A1 = PIN_A1 ;
static const uint8_t A2 = PIN_A2 ;
static const uint8_t A3 = PIN_A3 ;
static const uint8_t A4 = PIN_A4 ;
static const uint8_t A5 = PIN_A5 ;
static const uint8_t A6 = PIN_A6 ;
static const uint8_t A7 = PIN_A7 ;
#define ADC_RESOLUTION 14

// Other pins
#define PIN_AREF PIN_A7
#define PIN_VBAT PIN_A6
#define PIN_NFC1 (33)
#define PIN_NFC2 (2)

static const uint8_t AREF = PIN_AREF;

/*
* Serial interfaces
*/
#define PIN_SERIAL1_RX (1)
#define PIN_SERIAL1_TX (0)

/*
* SPI Interfaces
*/
#define SPI_INTERFACES_COUNT 1

#define PIN_SPI_MISO (24)
#define PIN_SPI_MOSI (25)
#define PIN_SPI_SCK (26)

static const uint8_t SS = (5);
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 (22)
#define PIN_WIRE_SCL (23)

// QSPI Pins
#define PIN_QSPI_SCK 27
#define PIN_QSPI_CS 28
#define PIN_QSPI_IO0 29
#define PIN_QSPI_IO1 30
#define PIN_QSPI_IO2 31
#define PIN_QSPI_IO3 32

// On-board QSPI Flash
#define EXTERNAL_FLASH_DEVICES GD25Q16C
#define EXTERNAL_FLASH_USE_QSPI

#ifdef __cplusplus
}
#endif

/*----------------------------------------------------------------------------
* Arduino objects - C++ only
*----------------------------------------------------------------------------*/

#endif

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