1 /* ST Microelectronics LIS2MDL 3-axis magnetometer sensor 2 * 3 * Copyright (c) 2018-2019 STMicroelectronics 4 * 5 * SPDX-License-Identifier: Apache-2.0 6 * 7 * Datasheet: 8 * https://www.st.com/resource/en/datasheet/lis2mdl.pdf 9 */ 10 11 #ifndef __MAG_LIS2MDL_H 12 #define __MAG_LIS2MDL_H 13 14 #include <zephyr/drivers/gpio.h> 15 #include <zephyr/drivers/sensor.h> 16 #include <zephyr/sys/util.h> 17 #include <stmemsc.h> 18 #include "lis2mdl_reg.h" 19 20 #if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) 21 #include <zephyr/drivers/spi.h> 22 #endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) */ 23 24 #if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) 25 #include <zephyr/drivers/i2c.h> 26 #endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) */ 27 28 struct lis2mdl_config { 29 stmdev_ctx_t ctx; 30 union { 31 #if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) 32 const struct i2c_dt_spec i2c; 33 #endif 34 #if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) 35 const struct spi_dt_spec spi; 36 #endif 37 } stmemsc_cfg; 38 bool cancel_offset; 39 bool single_mode; 40 bool spi_4wires; 41 42 #ifdef CONFIG_LIS2MDL_TRIGGER 43 bool trig_enabled; 44 const struct gpio_dt_spec gpio_drdy; 45 #endif /* CONFIG_LIS2MDL_TRIGGER */ 46 }; 47 48 /* Sensor data */ 49 struct lis2mdl_data { 50 const struct device *dev; 51 int16_t mag[3]; 52 int16_t temp_sample; 53 struct k_sem fetch_sem; 54 55 #ifdef CONFIG_LIS2MDL_TRIGGER 56 struct gpio_callback gpio_cb; 57 58 sensor_trigger_handler_t handler_drdy; 59 const struct sensor_trigger *trig_drdy; 60 61 #if defined(CONFIG_LIS2MDL_TRIGGER_OWN_THREAD) 62 K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_LIS2MDL_THREAD_STACK_SIZE); 63 struct k_thread thread; 64 struct k_sem gpio_sem; 65 #elif defined(CONFIG_LIS2MDL_TRIGGER_GLOBAL_THREAD) 66 struct k_work work; 67 #endif /* CONFIG_LIS2MDL_TRIGGER_GLOBAL_THREAD */ 68 #endif /* CONFIG_LIS2MDL_TRIGGER */ 69 }; 70 71 #ifdef CONFIG_LIS2MDL_TRIGGER 72 int lis2mdl_init_interrupt(const struct device *dev); 73 int lis2mdl_trigger_set(const struct device *dev, 74 const struct sensor_trigger *trig, 75 sensor_trigger_handler_t handler); 76 #endif /* CONFIG_LIS2MDL_TRIGGER */ 77 78 #endif /* __MAG_LIS2MDL_H */ 79
