1 /* 2 * Copyright (c) 2019 Manivannan Sadhasivam 3 * Copyright (c) 2020 Andreas Sandberg 4 * Copyright (c) 2021 Fabio Baltieri 5 * 6 * SPDX-License-Identifier: Apache-2.0 7 */ 8 9 #ifndef ZEPHYR_DRIVERS_SX126X_COMMON_H_ 10 #define ZEPHYR_DRIVERS_SX126X_COMMON_H_ 11 12 #include <zephyr/types.h> 13 #include <drivers/gpio.h> 14 #include <drivers/lora.h> 15 #include <drivers/spi.h> 16 17 #include <sx126x/sx126x.h> 18 19 #if DT_HAS_COMPAT_STATUS_OKAY(semtech_sx1261) 20 #define DT_DRV_COMPAT semtech_sx1261 21 #define SX126X_DEVICE_ID SX1261 22 #elif DT_HAS_COMPAT_STATUS_OKAY(semtech_sx1262) 23 #define DT_DRV_COMPAT semtech_sx1262 24 #define SX126X_DEVICE_ID SX1262 25 #elif DT_HAS_COMPAT_STATUS_OKAY(st_stm32wl_subghz_radio) 26 #define DT_DRV_COMPAT st_stm32wl_subghz_radio 27 #define SX126X_DEVICE_ID SX1262 28 #else 29 #error No SX126x instance in device tree. 30 #endif 31 32 #define HAVE_GPIO_CS DT_INST_SPI_DEV_HAS_CS_GPIOS(0) 33 #define HAVE_GPIO_ANTENNA_ENABLE \ 34 DT_INST_NODE_HAS_PROP(0, antenna_enable_gpios) 35 #define HAVE_GPIO_TX_ENABLE DT_INST_NODE_HAS_PROP(0, tx_enable_gpios) 36 #define HAVE_GPIO_RX_ENABLE DT_INST_NODE_HAS_PROP(0, rx_enable_gpios) 37 38 #define GPIO_CS_LABEL DT_INST_SPI_DEV_CS_GPIOS_LABEL(0) 39 #define GPIO_CS_PIN DT_INST_SPI_DEV_CS_GPIOS_PIN(0) 40 #define GPIO_CS_FLAGS DT_INST_SPI_DEV_CS_GPIOS_FLAGS(0) 41 42 #define GPIO_ANTENNA_ENABLE_PIN DT_INST_GPIO_PIN(0, antenna_enable_gpios) 43 #define GPIO_TX_ENABLE_PIN DT_INST_GPIO_PIN(0, tx_enable_gpios) 44 #define GPIO_RX_ENABLE_PIN DT_INST_GPIO_PIN(0, rx_enable_gpios) 45 46 struct sx126x_data { 47 struct gpio_callback dio1_irq_callback; 48 struct k_work dio1_irq_work; 49 DioIrqHandler *radio_dio_irq; 50 #if HAVE_GPIO_ANTENNA_ENABLE 51 const struct device *antenna_enable; 52 #endif 53 #if HAVE_GPIO_TX_ENABLE 54 const struct device *tx_enable; 55 #endif 56 #if HAVE_GPIO_RX_ENABLE 57 const struct device *rx_enable; 58 #endif 59 const struct device *spi; 60 struct spi_config spi_cfg; 61 #if HAVE_GPIO_CS 62 struct spi_cs_control spi_cs; 63 #endif 64 RadioOperatingModes_t mode; 65 }; 66 67 void sx126x_reset(struct sx126x_data *dev_data); 68 69 bool sx126x_is_busy(struct sx126x_data *dev_data); 70 71 uint32_t sx126x_get_dio1_pin_state(struct sx126x_data *dev_data); 72 73 void sx126x_dio1_irq_enable(struct sx126x_data *dev_data); 74 75 void sx126x_dio1_irq_disable(struct sx126x_data *dev_data); 76 77 int sx126x_variant_init(const struct device *dev); 78 79 #endif /* ZEPHYR_DRIVERS_SX126X_COMMON_H_ */ 80
