blob: ddab9cac73e1db7829f669a46754a7617061d400 [file] [log] [blame]
/*
* Copyright (c) 2021 Fabio Baltieri
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr.h>
#include "sx126x_common.h"
#include <stm32wlxx_ll_exti.h>
#include <stm32wlxx_ll_pwr.h>
#include <stm32wlxx_ll_rcc.h>
#include <logging/log.h>
LOG_MODULE_DECLARE(sx126x, CONFIG_LORA_LOG_LEVEL);
void sx126x_reset(struct sx126x_data *dev_data)
{
LL_RCC_RF_EnableReset();
k_sleep(K_MSEC(20));
LL_RCC_RF_DisableReset();
k_sleep(K_MSEC(10));
}
bool sx126x_is_busy(struct sx126x_data *dev_data)
{
return LL_PWR_IsActiveFlag_RFBUSYS();
}
uint32_t sx126x_get_dio1_pin_state(struct sx126x_data *dev_data)
{
return 0;
}
void sx126x_dio1_irq_enable(struct sx126x_data *dev_data)
{
NVIC_ClearPendingIRQ(DT_INST_IRQN(0));
irq_enable(DT_INST_IRQN(0));
}
void sx126x_dio1_irq_disable(struct sx126x_data *dev_data)
{
irq_disable(DT_INST_IRQN(0));
}
static void radio_isr(const struct device *dev)
{
struct sx126x_data *dev_data = dev->data;
irq_disable(DT_INST_IRQN(0));
k_work_submit(&dev_data->dio1_irq_work);
}
int sx126x_variant_init(const struct device *dev)
{
IRQ_CONNECT(DT_INST_IRQN(0),
DT_INST_IRQ(0, priority),
radio_isr, DEVICE_DT_INST_GET(0), 0);
LL_EXTI_EnableIT_32_63(LL_EXTI_LINE_44);
irq_enable(DT_INST_IRQN(0));
return 0;
}