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Reworked board defines, fixed RSSI and waterfall bugs for SX1262.

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master
Mark Qvist 1 year ago
parent cac58b318a
commit 6f62a5394b
8 changed files with 468 additions and 456 deletions
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  1. 332
      Boards.h
  2. 318
      Config.h
  3. 8
      Makefile
  4. 1
      ROM.h
  5. 92
      sx126x.cpp
  6. 2
      sx126x.h
  7. 33
      sx127x.cpp
  8. 6
      sx127x.h

332
Boards.h
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@ -13,7 +13,7 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
#import "Modem.h"
#include "Modem.h"
#ifndef BOARDS_H
#define BOARDS_H
@ -42,20 +42,344 @@
#define BOARD_GENERIC_NRF52 0x50
#define BOARD_RAK4630 0x51
#if defined(__AVR_ATmega1284P__)
#define PLATFORM PLATFORM_AVR
#define MCU_VARIANT MCU_1284P
#elif defined(__AVR_ATmega2560__)
#define PLATFORM PLATFORM_AVR
#define MCU_VARIANT MCU_2560
#elif defined(ESP32)
#define PLATFORM PLATFORM_ESP32
#define MCU_VARIANT MCU_ESP32
#elif defined(NRF52840_XXAA)
#define PLATFORM PLATFORM_NRF52
#define MCU_VARIANT MCU_NRF52
#else
#error "The firmware cannot be compiled for the selected MCU variant"
#endif
#ifndef MODEM
#if BOARD_MODEL == BOARD_RAK4630
#define MODEM SX1262
#elif BOARD_MODEL == BOARD_GENERIC_NRF52
#define MODEM SX1262
#else
#define MODEM SX1276
#endif
#endif
#define HAS_DISPLAY false
#define HAS_BLUETOOTH false
#define HAS_TCXO false
#define HAS_PMU false
#define HAS_NP false
#define HAS_EEPROM false
#if defined(ENABLE_TCXO)
#define HAS_TCXO true
#endif
#if MCU_VARIANT == MCU_1284P
const int pin_cs = 4;
const int pin_reset = 3;
const int pin_dio = 2;
const int pin_led_rx = 12;
const int pin_led_tx = 13;
#define BOARD_MODEL BOARD_RNODE
#define HAS_EEPROM true
#define CONFIG_UART_BUFFER_SIZE 6144
#define CONFIG_QUEUE_SIZE 6144
#define CONFIG_QUEUE_MAX_LENGTH 200
#define EEPROM_SIZE 4096
#define EEPROM_OFFSET EEPROM_SIZE-EEPROM_RESERVED
#elif MCU_VARIANT == MCU_2560
const int pin_cs = 5;
const int pin_reset = 4;
const int pin_dio = 2;
const int pin_led_rx = 12;
const int pin_led_tx = 13;
#define BOARD_MODEL BOARD_HMBRW
#define HAS_EEPROM true
#define CONFIG_UART_BUFFER_SIZE 768
#define CONFIG_QUEUE_SIZE 5120
#define CONFIG_QUEUE_MAX_LENGTH 24
#define EEPROM_SIZE 4096
#define EEPROM_OFFSET EEPROM_SIZE-EEPROM_RESERVED
#elif MCU_VARIANT == MCU_ESP32
// Board models for ESP32 based builds are
// defined by the build target in the makefile.
// If you are not using make to compile this
// firmware, you can manually define model here.
//
// #define BOARD_MODEL BOARD_GENERIC_ESP32
#define CONFIG_UART_BUFFER_SIZE 6144
#define CONFIG_QUEUE_SIZE 6144
#define CONFIG_QUEUE_MAX_LENGTH 200
#define EEPROM_SIZE 1024
#define EEPROM_OFFSET EEPROM_SIZE-EEPROM_RESERVED
#define GPS_BAUD_RATE 9600
#define PIN_GPS_TX 12
#define PIN_GPS_RX 34
#if BOARD_MODEL == BOARD_GENERIC_ESP32
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_EEPROM true
const int pin_cs = 4;
const int pin_reset = 36;
const int pin_dio = 39;
const int pin_led_rx = 14;
const int pin_led_tx = 32;
#elif BOARD_MODEL == BOARD_TBEAM
#define HAS_DISPLAY true
#define HAS_PMU true
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_SD false
#define HAS_EEPROM true
#define I2C_SDA 21
#define I2C_SCL 22
#define PMU_IRQ 35
const int pin_cs = 18;
const int pin_reset = 23;
const int pin_led_rx = 2;
const int pin_led_tx = 4;
#if MODEM == SX1262
#define HAS_TCXO true
#define HAS_BUSY true
#define DIO2_AS_RF_SWITCH true
const int pin_busy = 32;
const int pin_dio = 33;
const int pin_tcxo_enable = -1;
#else
const int pin_dio = 26;
#endif
#elif BOARD_MODEL == BOARD_HUZZAH32
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_EEPROM true
const int pin_cs = 4;
const int pin_reset = 36;
const int pin_dio = 39;
const int pin_led_rx = 14;
const int pin_led_tx = 32;
#elif BOARD_MODEL == BOARD_LORA32_V1_0
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_EEPROM true
const int pin_cs = 18;
const int pin_reset = 14;
const int pin_dio = 26;
#if defined(EXTERNAL_LEDS)
const int pin_led_rx = 25;
const int pin_led_tx = 2;
#else
const int pin_led_rx = 2;
const int pin_led_tx = 2;
#endif
#elif BOARD_MODEL == BOARD_LORA32_V2_0
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_EEPROM true
const int pin_cs = 18;
const int pin_reset = 12;
const int pin_dio = 26;
#if defined(EXTERNAL_LEDS)
const int pin_led_rx = 2;
const int pin_led_tx = 0;
#else
const int pin_led_rx = 22;
const int pin_led_tx = 22;
#endif
#elif BOARD_MODEL == BOARD_LORA32_V2_1
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#define HAS_PMU true
#define HAS_CONSOLE true
#define HAS_EEPROM true
const int pin_cs = 18;
const int pin_reset = 23;
const int pin_dio = 26;
#if HAS_TCXO == true
const int pin_tcxo_enable = 33;
#endif
#if defined(EXTERNAL_LEDS)
const int pin_led_rx = 15;
const int pin_led_tx = 4;
#else
const int pin_led_rx = 25;
const int pin_led_tx = 25;
#endif
#elif BOARD_MODEL == BOARD_HELTEC32_V2
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_EEPROM true
const int pin_cs = 18;
const int pin_reset = 23;
const int pin_dio = 26;
#if defined(EXTERNAL_LEDS)
const int pin_led_rx = 36;
const int pin_led_tx = 37;
#else
const int pin_led_rx = 25;
const int pin_led_tx = 25;
#endif
#elif BOARD_MODEL == BOARD_RNODE_NG_20
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#define HAS_NP true
#define HAS_CONSOLE true
#define HAS_EEPROM true
const int pin_cs = 18;
const int pin_reset = 12;
const int pin_dio = 26;
const int pin_np = 4;
#if HAS_NP == false
#if defined(EXTERNAL_LEDS)
const int pin_led_rx = 2;
const int pin_led_tx = 0;
#else
const int pin_led_rx = 22;
const int pin_led_tx = 22;
#endif
#endif
#elif BOARD_MODEL == BOARD_RNODE_NG_21
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_PMU true
#define HAS_NP true
#define HAS_SD false
#define HAS_EEPROM true
const int pin_cs = 18;
const int pin_reset = 23;
const int pin_dio = 26;
const int pin_np = 12;
const int pin_dac = 25;
const int pin_adc = 34;
const int SD_MISO = 2;
const int SD_MOSI = 15;
const int SD_CLK = 14;
const int SD_CS = 13;
#if HAS_NP == false
#if defined(EXTERNAL_LEDS)
const int pin_led_rx = 12;
const int pin_led_tx = 4;
#else
const int pin_led_rx = 25;
const int pin_led_tx = 25;
#endif
#endif
#elif BOARD_MODEL == BOARD_RNODE_NG_22
#define IS_ESP32S3 true
#define MODEM SX1262
#define HAS_DISPLAY true
#define HAS_BLE true
#define HAS_BLUETOOTH false // TODO: Implement
#define HAS_CONSOLE false // TODO: Implement
#define HAS_PMU true
#define HAS_NP true
#define HAS_SD false
#define HAS_EEPROM true
#define HAS_RF_SWITCH_RX_TX true
#define HAS_BUSY true
const int pin_cs = 7;
const int pin_sclk = 5;
const int pin_mosi = 6;
const int pin_miso = 3;
#elif BOARD_MODEL == BOARD_GENERIC_NRF52
#define MODEM SX1262
const int pin_reset = 8;
const int pin_rxen = 21;
const int pin_dio = 33;
const int pin_busy = 34;
const int pin_np = 38;
const int pin_dac = 25;
const int pin_adc = 1;
const int SD_MISO = 2;
const int SD_MOSI = 11;
const int SD_CLK = 14;
const int SD_CS = 13;
#if HAS_NP == false
#if defined(EXTERNAL_LEDS)
const int pin_led_rx = 37;
const int pin_led_tx = 37;
#else
#define MODEM SX1276
const int pin_led_rx = 37;
const int pin_led_tx = 37;
#endif
#endif
#else
#error An unsupported ESP32 board was selected. Cannot compile RNode firmware.
#endif
#elif MCU_VARIANT == MCU_NRF52
#if BOARD_MODEL == BOARD_RAK4630
#define HAS_EEPROM false
#define HAS_DISPLAY false // set for debugging
#define HAS_BLUETOOTH true
#define HAS_CONSOLE false
#define HAS_PMU false
#define HAS_NP false
#define HAS_SD false
#define HAS_TCXO true
#define HAS_RF_SWITCH_RX_TX true
#define HAS_BUSY true
#define CONFIG_UART_BUFFER_SIZE 6144
#define CONFIG_QUEUE_SIZE 6144
#define CONFIG_QUEUE_MAX_LENGTH 200
#define EEPROM_SIZE 200
#define EEPROM_OFFSET EEPROM_SIZE-EEPROM_RESERVED
// following pins are for the sx1262
const int pin_rxen = 37;
const int pin_reset = 38;
const int pin_cs = 42;
const int pin_sclk = 43;
const int pin_mosi = 44;
const int pin_miso = 45;
const int pin_busy = 46;
const int pin_dio = 47;
const int pin_led_rx = LED_BLUE;
const int pin_led_tx = LED_GREEN;
const int pin_tcxo_enable = -1;
#else
#error An unsupported nRF board was selected. Cannot compile RNode firmware.
#endif
#endif
#ifndef HAS_RF_SWITCH_RX_TX
const int pin_rxen = -1;
const int pin_txen = -1;
#endif
#ifndef HAS_BUSY
const int pin_busy = -1;
#endif
#ifndef DIO2_AS_RF_SWITCH
#define DIO2_AS_RF_SWITCH false
#endif
#endif

318
Config.h
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@ -15,7 +15,6 @@
#include "ROM.h"
#include "Boards.h"
#include "Modem.h"
#ifndef CONFIG_H
#define CONFIG_H
@ -46,333 +45,16 @@
bool console_active = false;
bool modem_installed = false;
#if defined(__AVR_ATmega1284P__)
#define PLATFORM PLATFORM_AVR
#define MCU_VARIANT MCU_1284P
#elif defined(__AVR_ATmega2560__)
#define PLATFORM PLATFORM_AVR
#define MCU_VARIANT MCU_2560
#elif defined(ESP32)
#define PLATFORM PLATFORM_ESP32
#define MCU_VARIANT MCU_ESP32
#elif defined(NRF52840_XXAA)
#define PLATFORM PLATFORM_NRF52
#define MCU_VARIANT MCU_NRF52
#else
#error "The firmware cannot be compiled for the selected MCU variant"
#endif
#define MTU 508
#define SINGLE_MTU 255
#define HEADER_L 1
#define MIN_L 1
#define CMD_L 64
// MCU dependent configuration parameters
#define HAS_DISPLAY false
#define HAS_BLUETOOTH false
#define HAS_TCXO false
#define HAS_PMU false
#define HAS_NP false
#define HAS_EEPROM false
#if defined(ENABLE_TCXO)
#define HAS_TCXO true
#endif
#if MCU_VARIANT == MCU_1284P
const int pin_cs = 4;
const int pin_reset = 3;
const int pin_dio = 2;
const int pin_led_rx = 12;
const int pin_led_tx = 13;
#define BOARD_MODEL BOARD_RNODE
#define HAS_EEPROM true
#define CONFIG_UART_BUFFER_SIZE 6144
#define CONFIG_QUEUE_SIZE 6144
#define CONFIG_QUEUE_MAX_LENGTH 200
#define EEPROM_SIZE 4096
#define EEPROM_OFFSET EEPROM_SIZE-EEPROM_RESERVED
#elif MCU_VARIANT == MCU_2560
const int pin_cs = 5;
const int pin_reset = 4;
const int pin_dio = 2;
const int pin_led_rx = 12;
const int pin_led_tx = 13;
#define BOARD_MODEL BOARD_HMBRW
#define HAS_EEPROM true
#define CONFIG_UART_BUFFER_SIZE 768
#define CONFIG_QUEUE_SIZE 5120
#define CONFIG_QUEUE_MAX_LENGTH 24
#define EEPROM_SIZE 4096
#define EEPROM_OFFSET EEPROM_SIZE-EEPROM_RESERVED
#elif MCU_VARIANT == MCU_ESP32
// Board models for ESP32 based builds are
// defined by the build target in the makefile.
// If you are not using make to compile this
// firmware, you can manually define model here.
//
// #define BOARD_MODEL BOARD_GENERIC_ESP32
#define CONFIG_UART_BUFFER_SIZE 6144
#define CONFIG_QUEUE_SIZE 6144
#define CONFIG_QUEUE_MAX_LENGTH 200
#define EEPROM_SIZE 1024
#define EEPROM_OFFSET EEPROM_SIZE-EEPROM_RESERVED
#define GPS_BAUD_RATE 9600
#define PIN_GPS_TX 12
#define PIN_GPS_RX 34
#if BOARD_MODEL == BOARD_GENERIC_ESP32
const int pin_cs = 4;
const int pin_reset = 36;
const int pin_dio = 39;
const int pin_led_rx = 14;
const int pin_led_tx = 32;
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_EEPROM true
#elif BOARD_MODEL == BOARD_TBEAM
const int pin_cs = 18;
const int pin_reset = 23;
const int pin_dio = 26;
const int pin_led_rx = 2;
const int pin_led_tx = 4;
#define HAS_DISPLAY true
#define HAS_PMU true
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_SD false
#define HAS_EEPROM true
#if MODEM == SX1262
// TODO: Figure out how on earth the SX1262 T-Beams are actually connected
// #define HAS_RF_SWITCH_RX_TX true
// const int pin_rxen = 32;
#define HAS_BUSY true
const int pin_busy = 32;
#endif
#elif BOARD_MODEL == BOARD_HUZZAH32
const int pin_cs = 4;
const int pin_reset = 36;
const int pin_dio = 39;
const int pin_led_rx = 14;
const int pin_led_tx = 32;
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_EEPROM true
#elif BOARD_MODEL == BOARD_LORA32_V1_0
const int pin_cs = 18;
const int pin_reset = 14;
const int pin_dio = 26;
#if defined(EXTERNAL_LEDS)
const int pin_led_rx = 25;
const int pin_led_tx = 2;
#else
const int pin_led_rx = 2;
const int pin_led_tx = 2;
#endif
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_EEPROM true
#elif BOARD_MODEL == BOARD_LORA32_V2_0
const int pin_cs = 18;
const int pin_reset = 12;
const int pin_dio = 26;
#if defined(EXTERNAL_LEDS)
const int pin_led_rx = 2;
const int pin_led_tx = 0;
#else
const int pin_led_rx = 22;
const int pin_led_tx = 22;
#endif
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_EEPROM true
#elif BOARD_MODEL == BOARD_LORA32_V2_1
const int pin_cs = 18;
const int pin_reset = 23;
const int pin_dio = 26;
#if HAS_TCXO == true
const int pin_tcxo_enable = 33;
#endif
#if defined(EXTERNAL_LEDS)
const int pin_led_rx = 15;
const int pin_led_tx = 4;
#else
const int pin_led_rx = 25;
const int pin_led_tx = 25;
#endif
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#define HAS_PMU true
#define HAS_CONSOLE true
#define HAS_EEPROM true
#elif BOARD_MODEL == BOARD_HELTEC32_V2
const int pin_cs = 18;
const int pin_reset = 23;
const int pin_dio = 26;
#if defined(EXTERNAL_LEDS)
const int pin_led_rx = 36;
const int pin_led_tx = 37;
#else
const int pin_led_rx = 25;
const int pin_led_tx = 25;
#endif
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_EEPROM true
#elif BOARD_MODEL == BOARD_RNODE_NG_20
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#define HAS_NP true
#define HAS_CONSOLE true
#define HAS_EEPROM true
const int pin_cs = 18;
const int pin_reset = 12;
const int pin_dio = 26;
const int pin_np = 4;
#if HAS_NP == false
#if defined(EXTERNAL_LEDS)
const int pin_led_rx = 2;
const int pin_led_tx = 0;
#else
const int pin_led_rx = 22;
const int pin_led_tx = 22;
#endif
#endif
#elif BOARD_MODEL == BOARD_RNODE_NG_21
#define HAS_DISPLAY true
#define HAS_BLUETOOTH true
#define HAS_CONSOLE true
#define HAS_PMU true
#define HAS_NP true
#define HAS_SD false
#define HAS_EEPROM true
const int pin_cs = 18;
const int pin_reset = 23;
const int pin_dio = 26;
const int pin_np = 12;
const int pin_dac = 25;
const int pin_adc = 34;
const int SD_MISO = 2;
const int SD_MOSI = 15;
const int SD_CLK = 14;
const int SD_CS = 13;
#if HAS_NP == false
#if defined(EXTERNAL_LEDS)
const int pin_led_rx = 12;
const int pin_led_tx = 4;
#else
const int pin_led_rx = 25;
const int pin_led_tx = 25;
#endif
#endif
#elif BOARD_MODEL == BOARD_RNODE_NG_22
#define IS_ESP32S3 true
#define HAS_DISPLAY true
#define HAS_BLE true
#define HAS_BLUETOOTH false // TODO: Implement
#define HAS_CONSOLE false // TODO: Implement
#define HAS_PMU true
#define HAS_NP true
#define HAS_SD false
#define HAS_EEPROM true
#define HAS_RF_SWITCH_RX_TX true
#define HAS_BUSY true
const int pin_reset = 8;
const int pin_rxen = 21;
const int pin_dio = 33;
const int pin_busy = 34;
const int pin_np = 38;
const int pin_dac = 25;
const int pin_adc = 1;
const int SD_MISO = 2;
const int SD_MOSI = 11;
const int SD_CLK = 14;
const int SD_CS = 13;
#if HAS_NP == false
#if defined(EXTERNAL_LEDS)
const int pin_led_rx = 37;
const int pin_led_tx = 37;
#else
const int pin_led_rx = 37;
const int pin_led_tx = 37;
#endif
#endif
#endif
#elif PLATFORM == PLATFORM_NRF52
#if BOARD_MODEL == BOARD_RAK4630
#define HAS_EEPROM false
#define HAS_DISPLAY false // set for debugging
#define HAS_BLUETOOTH true
#define HAS_CONSOLE false
#define HAS_PMU false
#define HAS_NP false
#define HAS_SD false
#define HAS_TCXO true
#define HAS_RF_SWITCH_RX_TX true
#define HAS_BUSY true
#define CONFIG_UART_BUFFER_SIZE 6144
#define CONFIG_QUEUE_SIZE 6144
#define CONFIG_QUEUE_MAX_LENGTH 200
#define EEPROM_SIZE 200
//#define EEPROM_OFFSET EEPROM_SIZE+0xED000-EEPROM_RESERVED
#define EEPROM_OFFSET EEPROM_SIZE-EEPROM_RESERVED
// following pins are for the sx1262
const int pin_rxen = 37;
const int pin_reset = 38;
const int pin_cs = 42;
const int pin_sclk = 43;
const int pin_mosi = 44;
const int pin_miso = 45;
const int pin_busy = 46;
const int pin_dio = 47;
const int pin_led_rx = LED_BLUE;
const int pin_led_tx = LED_GREEN;
const int pin_tcxo_enable = -1;
#endif
#else
#error An unsupported board was selected. Cannot compile RNode firmware.
#endif
bool mw_radio_online = false;
#if BOARD_MODEL == BOARD_TBEAM
#define I2C_SDA 21
#define I2C_SCL 22
#define PMU_IRQ 35
#endif
#define eeprom_addr(a) (a+EEPROM_OFFSET)
#ifndef HAS_RF_SWITCH_RX_TX
const int pin_rxen = -1;
const int pin_txen = -1;
#endif
#ifndef HAS_BUSY
const int pin_busy = -1;
#endif
#if (MODEM == SX1262 || MODEM == SX1280) && defined(NRF52840_XXAA)
SPIClass spiModem(NRF_SPIM2, pin_miso, pin_sclk, pin_mosi);
#endif

8
Makefile
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@ -115,11 +115,11 @@ upload-mega2560:
arduino-cli upload -p /dev/ttyACM0 --fqbn arduino:avr:mega
upload-tbeam:
arduino-cli upload -p /dev/ttyACM0 --fqbn esp32:esp32:t-beam
arduino-cli upload -p /dev/ttyACM1 --fqbn esp32:esp32:t-beam
@sleep 1
rnodeconf /dev/ttyACM0 --firmware-hash $$(./partition_hashes ./build/esp32.esp32.t-beam/RNode_Firmware.ino.bin)
@sleep 3
python ./Release/esptool/esptool.py --chip esp32 --port /dev/ttyACM0 --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq 80m --flash_size 4MB 0x210000 ./Release/console_image.bin
rnodeconf /dev/ttyACM1 --firmware-hash $$(./partition_hashes ./build/esp32.esp32.t-beam/RNode_Firmware.ino.bin)
# @sleep 3
# python ./Release/esptool/esptool.py --chip esp32 --port /dev/ttyACM0 --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq 80m --flash_size 4MB 0x210000 ./Release/console_image.bin
upload-lora32_v10:
arduino-cli upload -p /dev/ttyUSB0 --fqbn esp32:esp32:ttgo-lora32

1
ROM.h
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@ -72,4 +72,5 @@
#define BT_ENABLE_BYTE 0x73
#define EEPROM_RESERVED 200
#endif

92
sx126x.cpp
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@ -4,9 +4,11 @@
// Modifications and additions copyright 2023 by Mark Qvist
// Obviously still under the MIT license.
#include "sx126x.h"
#include "Boards.h"
#if MODEM == SX1262
#include "sx126x.h"
#define MCU_1284P 0x91
#define MCU_2560 0x92
#define MCU_ESP32 0x81
@ -67,6 +69,7 @@
#define IRQ_TX_DONE_MASK_6X 0x01
#define IRQ_RX_DONE_MASK_6X 0x02
#define IRQ_HEADER_DET_MASK_6X 0x10
#define IRQ_PREAMBLE_DET_MASK_6X 0x04
#define IRQ_PAYLOAD_CRC_ERROR_MASK_6X 0x40
#define MODE_LONG_RANGE_MODE_6X 0x01
@ -81,8 +84,16 @@
#define REG_RANDOM_GEN_6X 0x0819
#define MODE_TCXO_3_3V_6X 0x07
#define MODE_TCXO_3_0V_6X 0x06
#define MODE_TCXO_2_7V_6X 0x06
#define MODE_TCXO_2_4V_6X 0x06
#define MODE_TCXO_2_2V_6X 0x03
#define MODE_TCXO_1_8V_6X 0x02
#define MODE_TCXO_1_7V_6X 0x01
#define MODE_TCXO_1_6V_6X 0x00
#define SYNC_WORD_6X 0x1424
#define IRQ_PREAMBLE_DET_MASK_6X 0x04
#define XTAL_FREQ_6X (double)32000000
#define FREQ_DIV_6X (double)pow(2.0, 25.0)
#define FREQ_STEP_6X (double)(XTAL_FREQ_6X / FREQ_DIV_6X)
@ -126,34 +137,28 @@ bool sx126x::preInit() {
// set SS high
digitalWrite(_ss, HIGH);
Serial.println("SPI INIT");
#if BOARD_MODEL == BOARD_RNODE_NG_22
SPI.begin(pin_sclk, pin_miso, pin_mosi, pin_cs);
#else
SPI.begin();
#endif
Serial.println("DONE");
// check version (retry for up to 2 seconds)
long start = millis();
uint8_t syncmsb;
uint8_t synclsb;
Serial.println("TRYING REGISTER READ");
while (((millis() - start) < 2000) && (millis() >= start)) {
syncmsb = readRegister(REG_SYNC_WORD_MSB_6X);
synclsb = readRegister(REG_SYNC_WORD_LSB_6X);
if ( uint16_t(syncmsb << 8 | synclsb) == 0x1424 || uint16_t(syncmsb << 8 | synclsb) == 0x4434) {
Serial.println("CORRECT VALUE RETURNED");
break;
}
delay(100);
}
if ( uint16_t(syncmsb << 8 | synclsb) != 0x1424 && uint16_t(syncmsb << 8 | synclsb) != 0x4434) {
Serial.println("REG READ FAILED");
return false;
}
Serial.println("MODEM PREINIT SUCCESS");
_preinit_done = true;
return true;
}
@ -193,11 +198,10 @@ uint8_t ISR_VECT sx126x::singleTransfer(uint8_t opcode, uint16_t address, uint8_
void sx126x::rxAntEnable()
{
uint8_t byte = 0x01;
// enable dio2 rf switch
executeOpcode(OP_DIO2_RF_CTRL_6X, &byte, 1);
if (_rxen != -1) {
digitalWrite(_rxen, HIGH);
}
}
void sx126x::loraMode() {
// enable lora mode on the SX1262 chip
@ -361,17 +365,29 @@ int sx126x::begin(long frequency)
}
}
//#if HAS_TCXO
// turn TCXO on
enableTCXO();
//#endif
loraMode();
idle();
// cannot access registers in sleep mode on sx1262, set to idle instead
idle();
#if HAS_TCXO
enableTCXO();
#endif
if (_rxen != -1) {
pinMode(_rxen, OUTPUT);
rxAntEnable();
}
#if DIO2_AS_RF_SWITCH
// enable dio2 rf switch
uint8_t byte = 0x01;
executeOpcode(OP_DIO2_RF_CTRL_6X, &byte, 1);
#endif
rxAntEnable();
// Set sync word
setSyncWord(SYNC_WORD_6X);
// calibrate RC64k, RC13M, PLL, ADC and image
uint8_t calibrate = 0x7F;
executeOpcode(OP_CALIBRATE_6X, &calibrate, 1);
@ -380,6 +396,7 @@ int sx126x::begin(long frequency)
// set output power to 2 dBm
setTxPower(2);
enableCrc();
// set LNA boost
writeRegister(REG_LNA_6X, 0x96);
@ -459,23 +476,18 @@ uint8_t sx126x::modemStatus() {
// imitate the register status from the sx1276 / 78
uint8_t buf[2] = {0};
executeOpcodeRead(OP_GET_IRQ_STATUS_6X, buf, 2);
uint8_t clearbuf[2] = {0};
uint8_t byte = 0x00;
if (buf[1] & IRQ_PREAMBLE_DET_MASK_6X != 0) {
if ((buf[1] & IRQ_PREAMBLE_DET_MASK_6X) != 0) {
byte = byte | 0x01 | 0x04;
// clear register after reading
clearbuf[1] = IRQ_PREAMBLE_DET_MASK_6X;
}
if (buf[1] & IRQ_HEADER_DET_MASK_6X != 0) {
if ((buf[1] & IRQ_HEADER_DET_MASK_6X) != 0) {
byte = byte | 0x02 | 0x04;
// clear register after reading
clearbuf[1] = clearbuf[1] | IRQ_HEADER_DET_MASK_6X;
}
executeOpcode(OP_CLEAR_IRQ_STATUS_6X, clearbuf, 2);
@ -494,7 +506,7 @@ int ISR_VECT sx126x::currentRssi() {
uint8_t byte = 0;
executeOpcodeRead(OP_CURRENT_RSSI_6X, &byte, 1);
int rssi = -(int(byte)) / 2;
return rssi - RSSI_OFFSET;
return rssi;
}
uint8_t sx126x::packetRssiRaw() {
@ -508,7 +520,7 @@ int ISR_VECT sx126x::packetRssi() {
uint8_t buf[3] = {0};
executeOpcodeRead(OP_PACKET_STATUS_6X, buf, 3);
int pkt_rssi = -buf[0] / 2;
return pkt_rssi - RSSI_OFFSET;
return pkt_rssi;
}
uint8_t ISR_VECT sx126x::packetSnrRaw() {
@ -653,19 +665,17 @@ void sx126x::receive(int size)
if (_rxen != -1) {
rxAntEnable();
}
uint8_t mode[3] = {0xFF, 0xFF, 0xFF}; // continuous mode
executeOpcode(OP_RX_6X, mode, 3);
}
void sx126x::idle()
{
//#if HAS_TCXO
// STDBY_XOSC
uint8_t byte = 0x01;
//#else
// // STDBY_RC
// STDBY_RC
// uint8_t byte = 0x00;
//#endif
executeOpcode(OP_STANDBY_6X, &byte, 1);
}
@ -677,7 +687,12 @@ void sx126x::sleep()
void sx126x::enableTCXO() {
// only tested for RAK4630, voltage may be different on other platforms
#if BOARD_MODEL == BOARD_RAK4630
uint8_t buf[4] = {MODE_TCXO_3_3V_6X, 0x00, 0x00, 0xFF};
#elif BOARD_MODEL == BOARD_TBEAM
uint8_t buf[4] = {MODE_TCXO_1_8V_6X, 0x00, 0x00, 0xFF};
#endif
executeOpcode(OP_DIO3_TCXO_CTRL_6X, buf, 4);
}
@ -834,13 +849,17 @@ void sx126x::setCodingRate4(int denominator)
void sx126x::setPreambleLength(long length)
{
_preambleLength = length;
setPacketParams(length, _implicitHeaderMode, _payloadLength, _crcMode);
}
void sx126x::setSyncWord(int sw)
void sx126x::setSyncWord(uint16_t sw)
{
writeRegister(REG_SYNC_WORD_MSB_6X, sw & 0xFF00);
writeRegister(REG_SYNC_WORD_LSB_6X, sw & 0x00FF);
// TODO: Fix
// writeRegister(REG_SYNC_WORD_MSB_6X, (sw & 0xFF00) >> 8);
// writeRegister(REG_SYNC_WORD_LSB_6X, sw & 0x00FF);
writeRegister(REG_SYNC_WORD_MSB_6X, 0x14);
writeRegister(REG_SYNC_WORD_LSB_6X, 0x24);
}
void sx126x::enableCrc()
@ -921,6 +940,11 @@ void ISR_VECT sx126x::handleDio0Rise()
_onReceive(packetLength);
}
}
// else {
// Serial.println("CRCE");
// Serial.println(buf[0]);
// Serial.println(buf[1]);
// }
}
void ISR_VECT sx126x::onDio0Rise()
@ -929,3 +953,5 @@ void ISR_VECT sx126x::onDio0Rise()
}
sx126x sx126x_modem;
#endif

2
sx126x.h
Unescape View File

@ -68,7 +68,7 @@ public:
void setSignalBandwidth(long sbw);
void setCodingRate4(int denominator);
void setPreambleLength(long length);
void setSyncWord(int sw);
void setSyncWord(uint16_t sw);
uint8_t modemStatus();
void enableCrc();
void disableCrc();

33
sx127x.cpp
Unescape View File

@ -4,30 +4,10 @@
// Modifications and additions copyright 2023 by Mark Qvist
// Obviously still under the MIT license.
#include "sx127x.h"
#include "Boards.h"
#define MCU_1284P 0x91
#define MCU_2560 0x92
#define MCU_ESP32 0x81
#define MCU_NRF52 0x71
#if defined(__AVR_ATmega1284P__)
#define PLATFORM PLATFORM_AVR
#define MCU_VARIANT MCU_1284P
#elif defined(__AVR_ATmega2560__)
#define PLATFORM PLATFORM_AVR
#define MCU_VARIANT MCU_2560
#elif defined(ESP32)
#define PLATFORM PLATFORM_ESP32
#define MCU_VARIANT MCU_ESP32
#elif defined(NRF52840_XXAA)
#define PLATFORM PLATFORM_NRF52
#define MCU_VARIANT MCU_NRF52
#endif
#ifndef MCU_VARIANT
#error No MCU variant defined, cannot compile
#endif
#if MODEM == SX1276
#include "sx127x.h"
#if MCU_VARIANT == MCU_ESP32
#if MCU_VARIANT == MCU_ESP32 and !defined(CONFIG_IDF_TARGET_ESP32S3)
@ -96,6 +76,7 @@
extern SPIClass SPI;
#define MAX_PKT_LENGTH 255
#define SYNC_WORD_7X 0x12
sx127x::sx127x() :
_spiSettings(8E6, MSBFIRST, SPI_MODE0),
@ -200,10 +181,10 @@ int sx127x::begin(long frequency)
// set auto AGC
writeRegister(REG_MODEM_CONFIG_3_7X, 0x04);
// set output power to 2 dBm
setSyncWord(SYNC_WORD_7X);
enableCrc();
setTxPower(2);
// put in standby mode
idle();
return 1;
@ -602,7 +583,7 @@ void sx127x::setPreambleLength(long length)
writeRegister(REG_PREAMBLE_LSB_7X, (uint8_t)(length >> 0));
}
void sx127x::setSyncWord(int sw)
void sx127x::setSyncWord(uint8_t sw)
{
writeRegister(REG_SYNC_WORD_7X, sw);
}
@ -692,3 +673,5 @@ void ISR_VECT sx127x::onDio0Rise()
}
sx127x sx127x_modem;
#endif

6
sx127x.h
Unescape View File

@ -66,17 +66,13 @@ public:
void setSignalBandwidth(long sbw);
void setCodingRate4(int denominator);
void setPreambleLength(long length);
void setSyncWord(int sw);
void setSyncWord(uint8_t sw);
uint8_t modemStatus();
void enableCrc();
void disableCrc();
void enableTCXO();
void disableTCXO();
// deprecated
void crc() { enableCrc(); }
void noCrc() { disableCrc(); }
byte random();
void setPins(int ss = LORA_DEFAULT_SS_PIN, int reset = LORA_DEFAULT_RESET_PIN, int dio0 = LORA_DEFAULT_DIO0_PIN, int busy = LORA_DEFAULT_BUSY_PIN);

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