1+ /*
2+ Copyright (c) 2014-2015 Arduino LLC. All right reserved.
3+ Copyright (c) 2016 Sandeep Mistry All right reserved.
4+ Copyright (c) 2018, Adafruit Industries (adafruit.com)
5+
6+ This library is free software; you can redistribute it and/or
7+ modify it under the terms of the GNU Lesser General Public
8+ License as published by the Free Software Foundation; either
9+ version 2.1 of the License, or (at your option) any later version.
10+ This library is distributed in the hope that it will be useful,
11+ but WITHOUT ANY WARRANTY; without even the implied warranty of
12+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13+ See the GNU Lesser General Public License for more details.
14+ You should have received a copy of the GNU Lesser General Public
15+ License along with this library; if not, write to the Free Software
16+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17+ */
18+
19+ #ifndef _VARIANT_RAK4630_
20+ #define _VARIANT_RAK4630_
21+
22+ #define RAK4630
23+
24+ /** Master clock frequency */
25+ #define VARIANT_MCK (64000000ul)
26+
27+ #define USE_LFXO // Board uses 32khz crystal for LF
28+ // define USE_LFRC // Board uses RC for LF
29+
30+ /*----------------------------------------------------------------------------
31+ * Headers
32+ *----------------------------------------------------------------------------*/
33+
34+ #include "WVariant.h"
35+
36+ #ifdef __cplusplus
37+ extern "C" {
38+ #endif // __cplusplus
39+
40+ // Number of pins defined in PinDescription array
41+ #define PINS_COUNT (48)
42+ #define NUM_DIGITAL_PINS (48)
43+ #define NUM_ANALOG_INPUTS (6)
44+ #define NUM_ANALOG_OUTPUTS (0)
45+
46+ // LEDs
47+ #define PIN_LED1 (35)
48+ #define PIN_LED2 (36)
49+
50+ #define LED_BUILTIN PIN_LED1
51+ #define LED_CONN PIN_LED2
52+
53+ #define LED_GREEN PIN_LED1
54+ #define LED_BLUE PIN_LED2
55+
56+ #define LED_STATE_ON 1 // State when LED is litted
57+
58+ /*
59+ * Buttons
60+ */
61+
62+ #define PIN_BUTTON1 9 // Pin for button on E-ink button module or IO expansion
63+ #define BUTTON_NEED_PULLUP
64+ #define PIN_BUTTON2 12
65+ #define PIN_BUTTON3 24
66+ #define PIN_BUTTON4 25
67+
68+ /*
69+ * Analog pins
70+ */
71+ #define PIN_A0 (5)
72+ #define PIN_A1 (31)
73+ #define PIN_A2 (28)
74+ #define PIN_A3 (29)
75+ #define PIN_A4 (30)
76+ #define PIN_A5 (31)
77+ #define PIN_A6 (0xff)
78+ #define PIN_A7 (0xff)
79+
80+ static const uint8_t A0 = PIN_A0 ;
81+ static const uint8_t A1 = PIN_A1 ;
82+ static const uint8_t A2 = PIN_A2 ;
83+ static const uint8_t A3 = PIN_A3 ;
84+ static const uint8_t A4 = PIN_A4 ;
85+ static const uint8_t A5 = PIN_A5 ;
86+ static const uint8_t A6 = PIN_A6 ;
87+ static const uint8_t A7 = PIN_A7 ;
88+ #define ADC_RESOLUTION 14
89+
90+ // Other pins
91+ #define PIN_AREF (2)
92+ #define PIN_NFC1 (9)
93+ #define PIN_NFC2 (10)
94+
95+ static const uint8_t AREF = PIN_AREF ;
96+
97+ /*
98+ * Serial interfaces
99+ */
100+ #define PIN_SERIAL1_RX (15)
101+ #define PIN_SERIAL1_TX (16)
102+
103+ // Connected to Jlink CDC
104+ #define PIN_SERIAL2_RX (8)
105+ #define PIN_SERIAL2_TX (6)
106+
107+ /*
108+ * SPI Interfaces
109+ */
110+ #define SPI_INTERFACES_COUNT 2
111+
112+ #define PIN_SPI_MISO (45)
113+ #define PIN_SPI_MOSI (44)
114+ #define PIN_SPI_SCK (43)
115+
116+ #define PIN_SPI1_MISO (29) // (0 + 29)
117+ #define PIN_SPI1_MOSI (30) // (0 + 30)
118+ #define PIN_SPI1_SCK (3) // (0 + 3)
119+
120+ static const uint8_t SS = 42 ;
121+ static const uint8_t MOSI = PIN_SPI_MOSI ;
122+ static const uint8_t MISO = PIN_SPI_MISO ;
123+ static const uint8_t SCK = PIN_SPI_SCK ;
124+
125+ /*
126+ * eink display pins
127+ */
128+
129+ #define PIN_EINK_CS (0 + 26)
130+ #define PIN_EINK_BUSY (0 + 4)
131+ #define PIN_EINK_DC (0 + 17)
132+ #define PIN_EINK_RES (-1)
133+ #define PIN_EINK_SCLK (0 + 3)
134+ #define PIN_EINK_MOSI (0 + 30) // also called SDI
135+
136+ // #define USE_EINK
137+
138+ // RAKRGB
139+ #define HAS_NCP5623
140+
141+ /*
142+ * Wire Interfaces
143+ */
144+ #define WIRE_INTERFACES_COUNT 1
145+
146+ // RAK WISMESHTAG
147+ #define PIN_WIRE_SDA (25)
148+ #define PIN_WIRE_SCL (24)
149+
150+ // QSPI Pins
151+ #define PIN_QSPI_SCK 3
152+ #define PIN_QSPI_CS 26
153+ #define PIN_QSPI_IO0 30
154+ #define PIN_QSPI_IO1 29
155+ #define PIN_QSPI_IO2 28
156+ #define PIN_QSPI_IO3 2
157+
158+ // On-board QSPI Flash
159+ #define EXTERNAL_FLASH_DEVICES IS25LP080D
160+ #define EXTERNAL_FLASH_USE_QSPI
161+
162+ /* @note RAK5005-O GPIO mapping to RAK4631 GPIO ports
163+ RAK5005-O <-> nRF52840
164+ IO1 <-> P0.17 (Arduino GPIO number 17)
165+ IO2 <-> P1.02 (Arduino GPIO number 34)
166+ IO3 <-> P0.21 (Arduino GPIO number 21)
167+ IO4 <-> P0.04 (Arduino GPIO number 4)
168+ IO5 <-> P0.09 (Arduino GPIO number 9)
169+ IO6 <-> P0.10 (Arduino GPIO number 10)
170+ IO7 <-> P0.28 (Arduino GPIO number 28)
171+ SW1 <-> P0.01 (Arduino GPIO number 1)
172+ A0 <-> P0.04/AIN2 (Arduino Analog A2
173+ A1 <-> P0.31/AIN7 (Arduino Analog A7
174+ SPI_CS <-> P0.26 (Arduino GPIO number 26)
175+ */
176+
177+ // RAK4630 LoRa module
178+
179+ /* Setup of the SX1262 LoRa module ( https://docs.rakwireless.com/Product-Categories/WisBlock/RAK4631/Datasheet/ )
180+
181+ P1.10 NSS SPI NSS (Arduino GPIO number 42)
182+ P1.11 SCK SPI CLK (Arduino GPIO number 43)
183+ P1.12 MOSI SPI MOSI (Arduino GPIO number 44)
184+ P1.13 MISO SPI MISO (Arduino GPIO number 45)
185+ P1.14 BUSY BUSY signal (Arduino GPIO number 46)
186+ P1.15 DIO1 DIO1 event interrupt (Arduino GPIO number 47)
187+ P1.06 NRESET NRESET manual reset of the SX1262 (Arduino GPIO number 38)
188+
189+ Important for successful SX1262 initialization:
190+
191+ * Setup DIO2 to control the antenna switch
192+ * Setup DIO3 to control the TCXO power supply
193+ * Setup the SX1262 to use it's DCDC regulator and not the LDO
194+ * RAK4630 schematics show GPIO P1.07 connected to the antenna switch, but it should not be initialized, as DIO2 will do the
195+ control of the antenna switch
196+
197+ SO GPIO 39/TXEN MAY NOT BE DEFINED FOR SUCCESSFUL OPERATION OF THE SX1262 - TG
198+
199+ */
200+
201+ #define DETECTION_SENSOR_EN 4
202+
203+ #define USE_SX1262
204+ #define SX126X_CS (42)
205+ #define SX126X_DIO1 (47)
206+ #define SX126X_BUSY (46)
207+ #define SX126X_RESET (38)
208+ // #define SX126X_TXEN (39)
209+ // #define SX126X_RXEN (37)
210+ #define SX126X_POWER_EN (37)
211+ // DIO2 controlls an antenna switch and the TCXO voltage is controlled by DIO3
212+ #define SX126X_DIO2_AS_RF_SWITCH
213+ #define SX126X_DIO3_TCXO_VOLTAGE 1.8
214+
215+ // Testing USB detection
216+ #define NRF_APM
217+
218+ // enables 3.3V periphery like GPS or IO Module
219+ // Do not toggle this for GPS power savings
220+ #define PIN_3V3_EN (34)
221+
222+ // RAK WISMESHTAG
223+ #define PIN_GPS_EN PIN_3V3_EN
224+ #define PIN_GPS_PPS (17) // Pulse per second input from the GPS
225+
226+ #define GPS_RX_PIN PIN_SERIAL1_RX
227+ #define GPS_TX_PIN PIN_SERIAL1_TX
228+
229+ // Define pin to enable GPS toggle (set GPIO to LOW) via user button triple press
230+
231+ // RAK12002 RTC Module
232+ #define RV3028_RTC (uint8_t)0b1010010
233+
234+ // RAK WISMESHTAG
235+ #define PIN_BUZZER 21
236+
237+ // Battery
238+ // The battery sense is hooked to pin A0 (5)
239+ #define BATTERY_PIN PIN_A0
240+ // and has 12 bit resolution
241+ #define BATTERY_SENSE_RESOLUTION_BITS 12
242+ #define BATTERY_SENSE_RESOLUTION 4096.0
243+ #undef AREF_VOLTAGE
244+ #define AREF_VOLTAGE 3.0
245+ #define VBAT_AR_INTERNAL AR_INTERNAL_3_0
246+ #define ADC_MULTIPLIER 1.73
247+
248+ #define HAS_RTC 1
249+
250+ #define HAS_ETHERNET 1
251+
252+ #define RAK_4631 1
253+
254+ #define PIN_ETHERNET_RESET 21
255+ #define PIN_ETHERNET_SS PIN_EINK_CS
256+ #define ETH_SPI_PORT SPI1
257+ #define AQ_SET_PIN 10
258+
259+ #ifdef __cplusplus
260+ }
261+ #endif
262+
263+ /*----------------------------------------------------------------------------
264+ * Arduino objects - C++ only
265+ *----------------------------------------------------------------------------*/
266+
267+ #endif
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