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Added support for the LR1121 radio

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Added support for the LR1121 radio, tested as functional with an E80-900M2213S from CDEbyte.
This commit is contained in:
Tom 2024-12-06 01:45:00 +00:00 committed by Thomas Göttgens
parent 7dd3629501
commit a021fa3974
3 changed files with 28 additions and 2 deletions
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variants/diy/nrf52_promicro_diy_tcxo/Schematic_Pro-Micro_Pinouts.png Normal file
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11
variants/diy/nrf52_promicro_diy_tcxo/rfswitch.h Normal file
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@ -0,0 +1,11 @@
#include "RadioLib.h"
static const uint32_t rfswitch_dio_pins[] = {RADIOLIB_LR11X0_DIO5, RADIOLIB_LR11X0_DIO6, RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC};
static const Module::RfSwitchMode_t rfswitch_table[] = {
// mode DIO5 DIO6
{LR11x0::MODE_STBY, {LOW, LOW}}, {LR11x0::MODE_RX, {HIGH, LOW}},
{LR11x0::MODE_TX, {LOW, HIGH}}, {LR11x0::MODE_TX_HP, {LOW, HIGH}},
{LR11x0::MODE_TX_HF, {LOW, LOW}}, {LR11x0::MODE_GNSS, {LOW, LOW}},
{LR11x0::MODE_WIFI, {LOW, LOW}}, END_OF_MODE_TABLE,
};

19
variants/diy/nrf52_promicro_diy_tcxo/variant.h
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@ -122,12 +122,13 @@ NRF52 PRO MICRO PIN ASSIGNMENT
#define USE_SX1262
#define USE_RF95
#define USE_SX1268
#define USE_LR1121
// RF95 CONFIG
#define LORA_DIO0 (0 + 29) // P0.10 IRQ
#define LORA_DIO0 (0 + 29) // P0.29 BUSY
#define LORA_DIO1 (0 + 10) // P0.10 IRQ
#define LORA_RESET (0 + 9) // P0.09
#define LORA_RESET (0 + 9) // P0.09 NRST
// RX/TX for RFM95/SX127x
#define RF95_RXEN (0 + 17) // P0.17
@ -143,6 +144,19 @@ NRF52 PRO MICRO PIN ASSIGNMENT
#define SX126X_RXEN (0 + 17) // P0.17
#define SX126X_TXEN RADIOLIB_NC // Assuming that DIO2 is connected to TXEN pin. If not, TXEN must be connected.
// LR1121
#ifdef USE_LR1121
#define LR1121_IRQ_PIN (0 + 10) // P0.10 IRQ
#define LR1121_NRESET_PIN LORA_RESET // P0.09 NRST
#define LR1121_BUSY_PIN (0 + 29) // P0.29 BUSY
#define LR1121_SPI_NSS_PIN LORA_CS // P1.13
#define LR1121_SPI_SCK_PIN LORA_SCK
#define LR1121_SPI_MOSI_PIN LORA_MOSI
#define LR1121_SPI_MISO_PIN LORA_MISO
#define LR11X0_DIO3_TCXO_VOLTAGE 1.6
#define LR11X0_DIO_AS_RF_SWITCH
#endif
// #define SX126X_MAX_POWER 8 set this if using a high-power board!
/*
@ -164,6 +178,7 @@ settings.
| Seeed | Wio-SX1262 | yes | Int | Sooooo cute! |
| AI-Thinker | RA-02 | No | Int | SX1278 **433mhz band only** |
| RF Solutions | RFM95 | No | Int | Untested |
| Ebyte | E80-900M2213S | Yes | Int | LR1121 radio |
*/