Files
ZephCore/zephcore/adapters/radio/SX126xRadio.cpp
T
liquidraver 30379ee48a LoRaRadioBase volatile → atomic_t
LR1110 BUSY pin → interrupt-driven
2026-03-04 22:36:34 +01:00

99 lines
2.2 KiB
C++

/*
* SPDX-License-Identifier: Apache-2.0
* SX126x hardware hooks for LoRaRadioBase — native Zephyr driver.
*/
#include "SX126xRadio.h"
#include <zephyr/kernel.h>
/* Native SX126x driver extension API */
extern "C" {
#include "sx126x_ext.h"
}
#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(zephcore_lora, CONFIG_ZEPHCORE_LORA_LOG_LEVEL);
namespace mesh {
K_THREAD_STACK_DEFINE(sx126x_tx_wait_stack, TX_WAIT_THREAD_STACK_SIZE);
SX126xRadio::SX126xRadio(const struct device *lora_dev, MainBoard &board,
NodePrefs *prefs)
: LoRaRadioBase(lora_dev, board, prefs)
{
}
void SX126xRadio::begin()
{
startTxThread(sx126x_tx_wait_stack,
K_THREAD_STACK_SIZEOF(sx126x_tx_wait_stack));
LoRaRadioBase::begin();
}
/* ── Hardware primitives ──────────────────────────────────────────────── */
void SX126xRadio::hwConfigure(const struct lora_modem_config &cfg)
{
int ret = lora_config(_dev, const_cast<struct lora_modem_config *>(&cfg));
if (ret < 0) {
LOG_ERR("lora_config failed: %d", ret);
}
}
void SX126xRadio::hwStartReceive()
{
int ret = lora_recv_async(_dev, rxCallbackStatic, this);
if (ret < 0) {
LOG_ERR("lora_recv_async failed: %d", ret);
atomic_set(&_in_recv_mode, 0);
return;
}
atomic_set(&_in_recv_mode, 1);
/* RX boost: set once via setRxBoost(), preserved by SX126x
* hardware retention registers (DS §9.6). */
if (_rx_duty_cycle_enabled) {
sx126x_set_rx_duty_cycle(_dev, true);
}
}
void SX126xRadio::hwCancelReceive()
{
lora_recv_async(_dev, NULL, NULL);
}
int SX126xRadio::hwSendAsync(uint8_t *buf, uint32_t len,
struct k_poll_signal *sig)
{
return lora_send_async(_dev, buf, len, sig);
}
int16_t SX126xRadio::hwGetCurrentRSSI()
{
return sx126x_get_rssi_inst(_dev);
}
bool SX126xRadio::hwIsPreambleDetected()
{
return sx126x_is_receiving(_dev);
}
void SX126xRadio::hwSetRxBoost(bool enable)
{
sx126x_set_rx_boost(_dev, enable);
}
void SX126xRadio::hwSetRxDutyCycle(bool enable)
{
sx126x_set_rx_duty_cycle(_dev, enable);
}
void SX126xRadio::hwResetAGC()
{
/* Warm sleep → Calibrate(ALL) → re-calibrate image → re-apply RX settings */
sx126x_reset_agc(_dev);
}
} /* namespace mesh */