F439_CPP_TX-RX_LoRa_Project
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Macros | Functions | Variables
sx1262.c File Reference
Firmware Architecture » SX1262 Driver Layer

SX1262 LoRa radio driver implementation. More...

#include <main.h>
#include "sx1262.h"
#include <stdio.h>
#include <string.h>
Include dependency graph for sx1262.c:

Macros

#define SX126X_CMD_SET_STANDBY   0x80
 
#define SX126X_CMD_SET_PACKETTYPE   0x8A
 
#define SX126X_CMD_SET_RF_FREQUENCY   0x86
 
#define SX126X_CMD_SET_BUFFER_BASE_ADDRESS   0x8F
 
#define SX126X_CMD_SET_MODULATION_PARAMS   0x8B
 
#define SX126X_CMD_SET_PACKET_PARAMS   0x8C
 
#define SX126X_CMD_SET_DIO_IRQ_PARAMS   0x08
 
#define SX126X_CMD_SET_TX   0x83
 
#define SX126X_CMD_SET_RX   0x82
 
#define SX126X_CMD_GET_IRQ_STATUS   0x12
 
#define SX126X_CMD_CLEAR_IRQ_STATUS   0x02
 
#define SX126X_CMD_WRITE_BUFFER   0x0E
 
#define SX126X_CMD_READ_BUFFER   0x1E
 
#define SX126X_CMD_GET_RX_BUFFER_STATUS   0x13
 
#define SX126X_CMD_GET_PACKET_STATUS   0x14
 
#define SX126X_CMD_SET_TX_PARAMS   0x8E
 
#define SX126X_CMD_SET_RX_TX_FALLBACK_MODE   0x93
 
#define SX126X_CMD_SET_REGULATOR_MODE   0x96
 
#define SX126X_CMD_SET_PA_CONFIG   0x95
 
#define SX126X_CMD_SET_DIO3_AS_TCXO_CTRL   0x97
 
#define SX126X_CMD_CALIBRATE_IMAGE   0x98
 
#define SX126X_PACKET_LORA   0x01
 
#define SX126X_STANDBY_RC   0x00
 
#define SX126X_IRQ_TX_DONE   (1u << 0)
 
#define SX126X_IRQ_RX_DONE   (1u << 1)
 
#define SX126X_IRQ_CRC_ERROR   (1u << 6)
 
#define SX126X_IRQ_RX_TX_TIMEOUT   (1u << 9)
 

Functions

void SX1262_Init (SX1262_Handle *sx)
 Initialize the SX1262 hardware interface.
 
bool SX1262_ConfigureLoRa (SX1262_Handle *sx, const SX1262_LoRaConfig *cfg)
 Configure the SX1262 for LoRa operation.
 
bool SX1262_StartRxContinuous (SX1262_Handle *sx)
 Enter continuous receive mode.
 
bool SX1262_SendString (SX1262_Handle *sx, const char *s)
 Send a NUL-terminated string through the radio.
 
bool SX1262_SendStringPlainText (SX1262_Handle *sx, const char *s)
 Send a plaintext string without RadioLink framing.
 
bool SX1262_SendBytes (SX1262_Handle *sx, const uint8_t *buf, uint8_t len)
 Send a raw byte buffer through the radio.
 
bool SX1262_SendBuffer (SX1262_Handle *sx, const char *s)
 Send a character buffer through the radio.
 
bool SX1262_ProcessIrq (SX1262_Handle *sx, SX1262_IrqResult *out)
 Process a DIO1-driven IRQ event.
 
uint8_t SX1262_GetStatusRaw (SX1262_Handle *sx)
 Read the raw radio status byte.
 
uint16_t SX1262_GetIrqStatusRaw (SX1262_Handle *sx)
 Read the raw IRQ status bits.
 
void SX1262_ClearIrq (SX1262_Handle *sx, uint16_t mask)
 Clear selected IRQ bits.
 
bool SX1262_SetStandbyRc (SX1262_Handle *sx)
 Put the radio into RC standby mode.
 

Variables

SX1262_ROLE sx1262Role
 

Detailed Description

SX1262 LoRa radio driver implementation.

Macro Definition Documentation

◆ SX126X_CMD_CALIBRATE_IMAGE

#define SX126X_CMD_CALIBRATE_IMAGE   0x98

◆ SX126X_CMD_CLEAR_IRQ_STATUS

#define SX126X_CMD_CLEAR_IRQ_STATUS   0x02

◆ SX126X_CMD_GET_IRQ_STATUS

#define SX126X_CMD_GET_IRQ_STATUS   0x12

◆ SX126X_CMD_GET_PACKET_STATUS

#define SX126X_CMD_GET_PACKET_STATUS   0x14

◆ SX126X_CMD_GET_RX_BUFFER_STATUS

#define SX126X_CMD_GET_RX_BUFFER_STATUS   0x13

◆ SX126X_CMD_READ_BUFFER

#define SX126X_CMD_READ_BUFFER   0x1E

◆ SX126X_CMD_SET_BUFFER_BASE_ADDRESS

#define SX126X_CMD_SET_BUFFER_BASE_ADDRESS   0x8F

◆ SX126X_CMD_SET_DIO3_AS_TCXO_CTRL

#define SX126X_CMD_SET_DIO3_AS_TCXO_CTRL   0x97

◆ SX126X_CMD_SET_DIO_IRQ_PARAMS

#define SX126X_CMD_SET_DIO_IRQ_PARAMS   0x08

◆ SX126X_CMD_SET_MODULATION_PARAMS

#define SX126X_CMD_SET_MODULATION_PARAMS   0x8B

◆ SX126X_CMD_SET_PA_CONFIG

#define SX126X_CMD_SET_PA_CONFIG   0x95

◆ SX126X_CMD_SET_PACKET_PARAMS

#define SX126X_CMD_SET_PACKET_PARAMS   0x8C

◆ SX126X_CMD_SET_PACKETTYPE

#define SX126X_CMD_SET_PACKETTYPE   0x8A

◆ SX126X_CMD_SET_REGULATOR_MODE

#define SX126X_CMD_SET_REGULATOR_MODE   0x96

◆ SX126X_CMD_SET_RF_FREQUENCY

#define SX126X_CMD_SET_RF_FREQUENCY   0x86

◆ SX126X_CMD_SET_RX

#define SX126X_CMD_SET_RX   0x82

◆ SX126X_CMD_SET_RX_TX_FALLBACK_MODE

#define SX126X_CMD_SET_RX_TX_FALLBACK_MODE   0x93

◆ SX126X_CMD_SET_STANDBY

#define SX126X_CMD_SET_STANDBY   0x80

◆ SX126X_CMD_SET_TX

#define SX126X_CMD_SET_TX   0x83

◆ SX126X_CMD_SET_TX_PARAMS

#define SX126X_CMD_SET_TX_PARAMS   0x8E

◆ SX126X_CMD_WRITE_BUFFER

#define SX126X_CMD_WRITE_BUFFER   0x0E

◆ SX126X_IRQ_CRC_ERROR

#define SX126X_IRQ_CRC_ERROR   (1u << 6)

◆ SX126X_IRQ_RX_DONE

#define SX126X_IRQ_RX_DONE   (1u << 1)

◆ SX126X_IRQ_RX_TX_TIMEOUT

#define SX126X_IRQ_RX_TX_TIMEOUT   (1u << 9)

◆ SX126X_IRQ_TX_DONE

#define SX126X_IRQ_TX_DONE   (1u << 0)

◆ SX126X_PACKET_LORA

#define SX126X_PACKET_LORA   0x01

◆ SX126X_STANDBY_RC

#define SX126X_STANDBY_RC   0x00

Function Documentation

◆ SX1262_ClearIrq()

void SX1262_ClearIrq ( SX1262_Handle * sx,
uint16_t mask )

Clear selected IRQ bits.

Parameters
sxDriver handle describing the SPI and GPIO bindings.
maskIRQ mask bits to clear.

◆ SX1262_ConfigureLoRa()

bool SX1262_ConfigureLoRa ( SX1262_Handle * sx,
const SX1262_LoRaConfig * cfg )

Configure the SX1262 for LoRa operation.

Parameters
sxDriver handle describing the SPI and GPIO bindings.
cfgRequested LoRa modem configuration.
Returns
true if configuration succeeded, otherwise false.

◆ SX1262_GetIrqStatusRaw()

uint16_t SX1262_GetIrqStatusRaw ( SX1262_Handle * sx)

Read the raw IRQ status bits.

Parameters
sxDriver handle describing the SPI and GPIO bindings.
Returns
Raw IRQ status mask.

◆ SX1262_GetStatusRaw()

uint8_t SX1262_GetStatusRaw ( SX1262_Handle * sx)

Read the raw radio status byte.

Parameters
sxDriver handle describing the SPI and GPIO bindings.
Returns
Raw SX1262 status byte.

◆ SX1262_Init()

void SX1262_Init ( SX1262_Handle * sx)

Initialize the SX1262 hardware interface.

Parameters
sxDriver handle describing the SPI and GPIO bindings.

◆ SX1262_ProcessIrq()

bool SX1262_ProcessIrq ( SX1262_Handle * sx,
SX1262_IrqResult * out )

Process a DIO1-driven IRQ event.

Parameters
sxDriver handle describing the SPI and GPIO bindings.
outOutput structure populated with decoded IRQ results.
Returns
true if IRQ handling succeeded, otherwise false.

◆ SX1262_SendBuffer()

bool SX1262_SendBuffer ( SX1262_Handle * sx,
const char * buf )

Send a character buffer through the radio.

Parameters
sxDriver handle describing the SPI and GPIO bindings.
bufBuffer to transmit.
Returns
true if the send request succeeded, otherwise false.

◆ SX1262_SendBytes()

bool SX1262_SendBytes ( SX1262_Handle * sx,
const uint8_t * buf,
uint8_t len )

Send a raw byte buffer through the radio.

Parameters
sxDriver handle describing the SPI and GPIO bindings.
bufBuffer to transmit.
lenNumber of bytes to transmit.
Returns
true if the send request succeeded, otherwise false.

◆ SX1262_SendString()

bool SX1262_SendString ( SX1262_Handle * sx,
const char * s )

Send a NUL-terminated string through the radio.

Parameters
sxDriver handle describing the SPI and GPIO bindings.
sNUL-terminated string to transmit.
Returns
true if the send request succeeded, otherwise false.

◆ SX1262_SendStringPlainText()

bool SX1262_SendStringPlainText ( SX1262_Handle * sx,
const char * s )

Send a plaintext string without RadioLink framing.

Parameters
sxDriver handle describing the SPI and GPIO bindings.
sNUL-terminated string to transmit.
Returns
true if the send request succeeded, otherwise false.

◆ SX1262_SetStandbyRc()

bool SX1262_SetStandbyRc ( SX1262_Handle * sx)

Put the radio into RC standby mode.

Parameters
sxDriver handle describing the SPI and GPIO bindings.
Returns
true if the command succeeded, otherwise false.

◆ SX1262_StartRxContinuous()

bool SX1262_StartRxContinuous ( SX1262_Handle * sx)

Enter continuous receive mode.

Parameters
sxDriver handle describing the SPI and GPIO bindings.
Returns
true if the command succeeded, otherwise false.

Variable Documentation

◆ sx1262Role

SX1262_ROLE sx1262Role
extern