mirror of
https://github.com/zephyrproject-rtos/zephyr
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accb71ec9e
Add support for the STM32WL integrated radio, based on the sx1262. The STM32WL implementation does not use any GPIO, and the signals are routed to other units of the SoC and accessed with the ST HAL. Signed-off-by: Fabio Baltieri <fabio.baltieri@gmail.com>
80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/*
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* Copyright (c) 2019 Manivannan Sadhasivam
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* Copyright (c) 2020 Andreas Sandberg
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* Copyright (c) 2021 Fabio Baltieri
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_DRIVERS_SX126X_COMMON_H_
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#define ZEPHYR_DRIVERS_SX126X_COMMON_H_
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#include <zephyr/types.h>
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#include <drivers/gpio.h>
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#include <drivers/lora.h>
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#include <drivers/spi.h>
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#include <sx126x/sx126x.h>
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#if DT_HAS_COMPAT_STATUS_OKAY(semtech_sx1261)
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#define DT_DRV_COMPAT semtech_sx1261
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#define SX126X_DEVICE_ID SX1261
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#elif DT_HAS_COMPAT_STATUS_OKAY(semtech_sx1262)
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#define DT_DRV_COMPAT semtech_sx1262
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#define SX126X_DEVICE_ID SX1262
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#elif DT_HAS_COMPAT_STATUS_OKAY(st_stm32wl_subghz_radio)
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#define DT_DRV_COMPAT st_stm32wl_subghz_radio
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#define SX126X_DEVICE_ID SX1262
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#else
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#error No SX126x instance in device tree.
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#endif
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#define HAVE_GPIO_CS DT_INST_SPI_DEV_HAS_CS_GPIOS(0)
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#define HAVE_GPIO_ANTENNA_ENABLE \
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DT_INST_NODE_HAS_PROP(0, antenna_enable_gpios)
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#define HAVE_GPIO_TX_ENABLE DT_INST_NODE_HAS_PROP(0, tx_enable_gpios)
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#define HAVE_GPIO_RX_ENABLE DT_INST_NODE_HAS_PROP(0, rx_enable_gpios)
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#define GPIO_CS_LABEL DT_INST_SPI_DEV_CS_GPIOS_LABEL(0)
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#define GPIO_CS_PIN DT_INST_SPI_DEV_CS_GPIOS_PIN(0)
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#define GPIO_CS_FLAGS DT_INST_SPI_DEV_CS_GPIOS_FLAGS(0)
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#define GPIO_ANTENNA_ENABLE_PIN DT_INST_GPIO_PIN(0, antenna_enable_gpios)
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#define GPIO_TX_ENABLE_PIN DT_INST_GPIO_PIN(0, tx_enable_gpios)
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#define GPIO_RX_ENABLE_PIN DT_INST_GPIO_PIN(0, rx_enable_gpios)
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struct sx126x_data {
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struct gpio_callback dio1_irq_callback;
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struct k_work dio1_irq_work;
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DioIrqHandler *radio_dio_irq;
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#if HAVE_GPIO_ANTENNA_ENABLE
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const struct device *antenna_enable;
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#endif
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#if HAVE_GPIO_TX_ENABLE
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const struct device *tx_enable;
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#endif
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#if HAVE_GPIO_RX_ENABLE
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const struct device *rx_enable;
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#endif
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const struct device *spi;
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struct spi_config spi_cfg;
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#if HAVE_GPIO_CS
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struct spi_cs_control spi_cs;
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#endif
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RadioOperatingModes_t mode;
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};
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void sx126x_reset(struct sx126x_data *dev_data);
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bool sx126x_is_busy(struct sx126x_data *dev_data);
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uint32_t sx126x_get_dio1_pin_state(struct sx126x_data *dev_data);
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void sx126x_dio1_irq_enable(struct sx126x_data *dev_data);
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void sx126x_dio1_irq_disable(struct sx126x_data *dev_data);
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int sx126x_variant_init(const struct device *dev);
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#endif /* ZEPHYR_DRIVERS_SX126X_COMMON_H_ */
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