WIP RAK815 support

boards/rak815.json

@@ -0,0 +1,55 @@
+{
+  "build": {
+    "arduino":{
+      "ldscript": "nrf52832_s132_v6.ld"
+    },
+    "core": "nRF5",
+    "cpu": "cortex-m4",
+    "extra_flags": "-DNRF52832_XXAA -DNRF52",
+    "f_cpu": "64000000L",
+    "hwids": [
+      [
+        "0x10c4",
+        "0xea60"
+      ]
+    ],
+    "usb_product": "RAK815",
+    "mcu": "nrf52832",
+    "variant": "rak815",
+    "bsp": {
+      "name": "adafruit"
+    },
+    "softdevice": {
+      "sd_flags": "-DS132",
+      "sd_name": "s132",
+      "sd_version": "6.1.1",
+      "sd_fwid": "0x00B7"
+    }
+  },
+  "connectivity": [
+    "bluetooth"
+  ],
+  "debug": {
+    "jlink_device": "nRF52832_xxAA",
+    "svd_path": "nrf52.svd"
+  },
+  "frameworks": [
+    "arduino"
+  ],
+  "name": "RAK RAK815",
+  "upload": {
+    "maximum_ram_size": 65536,
+    "maximum_size": 524288,
+    "require_upload_port": true,
+    "speed": 115200,
+    "protocol": "nrfutil",
+    "protocols": [
+      "jlink",
+      "nrfjprog",
+      "nrfutil",
+      "stlink"
+    ]
+  },
+  "url": "https://store.rakwireless.com/products/rak815-hybrid-location-tracker",
+  "vendor": "RAK"
+}

docs/software/nrf52-TODO.md

@@ -31,6 +31,10 @@ Applying system reset.
 Run.
 ```
 
+### Appload
+
+tips on installing https://github.com/platformio/platform-nordicnrf52/issues/8#issuecomment-374017768
+
 ## Misc work items
 
 RAM investigation.

platformio.ini

@@ -9,7 +9,7 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [platformio]
-default_envs = feather_nrf52832 ; Note: the github actions CI test build can't yet build NRF52 targets
+default_envs = rak815 ; Note: the github actions CI test build can't yet build NRF52 targets
 
 [common]
 ; common is not currently used
@@ -183,6 +183,12 @@ board = nrf52840_dk_modified
 extends = nrf52_base
 board = adafruit_feather_nrf52832
 
+[env:rak815]
+extends = nrf52_base
+board = rak815
+; hack to force TINYUSB to be disabled - something is wrong in the adafruilt dependencies
+; build_flags = ${nrf52_base.build_flags}-UUSE_TINYUSB
+
 # For experimenting with RAM sizes
 # board_build.ldscript = linker/nrf52840_s140_sim832.ld
 

src/configuration.h

@@ -113,10 +113,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // LoRa SPI
 // -----------------------------------------------------------------------------
 
-#define SCK_GPIO 5
+#define RF95_SCK 5
-#define MISO_GPIO 19
+#define RF95_MISO 19
-#define MOSI_GPIO 27
+#define RF95_MOSI 27
-#define NSS_GPIO 18
+#define RF95_NSS 18
 
 #endif
 

src/main.cpp

@@ -296,7 +296,7 @@ void setup()
     SPI.begin();
 #else
     // ESP32
-    SPI.begin(SCK_GPIO, MISO_GPIO, MOSI_GPIO, NSS_GPIO);
+    SPI.begin(RF95_SCK, RF95_MISO, RF95_MOSI, RF95_NSS);
     SPI.setFrequency(4000000);
 #endif
 

variants/ppr/variant.h

@@ -128,25 +128,7 @@ static const uint8_t SCK = PIN_SPI_SCK;
 #define PIN_WIRE_SDA (32 + 2)
 #define PIN_WIRE_SCL (32)
 
-// CUSTOM GPIOs the SX1262
+#define GPS_I2C_ADDR FIXME
-#define SX1262_CS (10)
-#define SX1262_DIO1 (20)
-#define SX1262_DIO2 (26)
-#define SX1262_BUSY (31) // Supposed to be P0.18 but because of reworks, now on P0.31 (18)
-#define SX1262_RESET (17)
-// #define SX1262_ANT_SW (32 + 10)
-#define SX1262_RXEN (22)
-#define SX1262_TXEN (24)
-#define SX1262_E22  // Indicates this SX1262 is inside of an ebyte E22 module and special config should be done for that
-
-// ERC12864-10 LCD
-#define ERC12864_CS (32 + 4)
-#define ERC12864_RESET (32 + 6)
-#define ERC12864_CD (32 + 9)
-
-// L80 GPS
-#define L80_PPS (28)
-#define L80_RESET (29)
 
 #ifdef __cplusplus
 }

variants/rak815/variant.cpp

@@ -0,0 +1,81 @@
+/*
+  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 - D7
+  0,  // xtal 1
+  1,  // xtal 2
+  2,  // a0
+  3,  // a1
+  4,  // a2
+  5,  // a3
+  6,  // TXD
+  7,  // GPIO #7
+
+  // D8 - D13
+  8,  // RXD
+
+  9,  // NFC1
+  10, // NFC2
+
+  11, // GPIO11
+
+  12, // SCK
+  13, // MOSI
+  14, // MISO
+
+  15, // GPIO #15
+  16, // GPIO #16
+
+  // function set pins
+  17, // LED #1 (red)
+  18, // SWO
+  19, // LED #2 (blue)
+  20, // DFU
+  21, // Reset
+  22, // Factory Reset
+  23, // N/A
+  24, // N/A
+
+  25, // SDA
+  26, // SCL
+  27, // GPIO #27
+  28, // A4
+  29, // A5
+  30, // A6
+  31, // A7
+};
+
+void initVariant()
+{
+  // LED1 & LED2
+  pinMode(PIN_LED1, OUTPUT);
+  ledOff(PIN_LED1);
+
+  pinMode(PIN_LED2, OUTPUT);
+  ledOff(PIN_LED2);
+}
+

variants/rak815/variant.h

@@ -0,0 +1,127 @@
+ /*
+  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_RAK815_
+#define _VARIANT_RAK815_
+
+/** 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           (32u)
+#define NUM_DIGITAL_PINS     (32u)
+#define NUM_ANALOG_INPUTS    (8u)
+#define NUM_ANALOG_OUTPUTS   (0u)
+
+// LEDs
+#define PIN_LED1             (25)
+#define PIN_LED2             (26)
+
+#define LED_BUILTIN          PIN_LED1
+#define LED_CONN             PIN_LED2
+
+//#define LED_RED              PIN_LED1
+//#define LED_BLUE             PIN_LED2
+
+#define LED_STATE_ON         0         // State when LED is litted
+
+/*
+ * Analog pins
+ */
+#define PIN_A0               (2)
+#define PIN_A1               (3)
+#define PIN_A2               (4)
+#define PIN_A3               (5)
+#define PIN_A4               (28)
+#define PIN_A5               (29)
+#define PIN_A6               (30)
+#define PIN_A7               (31)
+
+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           (24)
+#define PIN_VBAT           PIN_A7
+#define PIN_NFC1           (9)
+#define PIN_NFC2           (10)
+
+static const uint8_t AREF = PIN_AREF;
+
+/*
+ * Serial interfaces
+ */
+#define PIN_SERIAL_RX       (28)
+#define PIN_SERIAL_TX       (29)
+
+/*
+ * SPI Interfaces
+ */
+#define SPI_INTERFACES_COUNT 1
+
+/*
+ * This is the interal SPI bus for the RAK813 module - goes to the lora chip
+ */
+
+#define PIN_SPI_MISO         (12)
+#define PIN_SPI_MOSI         (13)
+#define PIN_SPI_SCK          (11)
+
+static const uint8_t SS   = 14 ;
+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         (15u)
+#define PIN_WIRE_SCL         (16u)
+
+#ifdef __cplusplus
+}
+#endif
+
+/*----------------------------------------------------------------------------
+ *        Arduino objects - C++ only
+ *----------------------------------------------------------------------------*/
+
+#endif