92 lines
No EOL
2.1 KiB
C
92 lines
No EOL
2.1 KiB
C
#ifndef ZEPHYR_DRIVERS_SENSOR_PIXART_PMW3389_H_
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#define ZEPHYR_DRIVERS_SENSOR_PIXART_PMW3389_H_
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#include <drivers/sensor.h>
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#include <zephyr/types.h>
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#include <drivers/gpio.h>
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#include <sys/util.h>
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#include <drivers/spi.h>
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#define PMW3389_WR_MASK 0x80
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#define PMW3389_PID 0x47
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#define PMW3389_REV 0x01
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#define PMW3389_REG_PID 0x00
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#define PMW3389_REG_REV 0x01
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#define PMW3389_REG_DX_L 0x2A
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#define PMW3389_REG_DX_H 0x2B
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#define PMW3389_REG_DY_L 0x2C
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#define PMW3389_REG_DY_H 0x2D
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struct pmw3389_gpio_dt_spec {
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const struct device *port;
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gpio_pin_t pin;
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gpio_dt_flags_t dt_flags;
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};
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struct pmw3389_spi_cfg {
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struct spi_config spi_conf;
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const char *cs_gpios_label;
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};
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union pmw3389_bus_cfg {
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struct pmw3389_spi_cfg *spi_cfg;
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};
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struct pmw3389_config {
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char *bus_name;
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int (*bus_init)(const struct device *dev);
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const union pmw3389_bus_cfg bus_cfg;
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int resolution;
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struct pmw3389_gpio_dt_spec reset;
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#if CONFIG_PMW3389_TRIGGER
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struct pmw3389_gpio_dt_spec motswk;
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#endif // CONFIG_PMW3389_TRIGGER
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};
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struct pmw3389_data;
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struct pmw3389_transfer_function {
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int (*read_data)(const struct device *dev, uint16_t *value);
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};
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struct pmw3389_data {
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const struct device *bus;
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struct spi_cs_control cs_ctrl;
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uint16_t dx;
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uint16_t dy;
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const struct pmw3389_transfer_function *hw_tf;
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#ifdef CONFIG_PMW3389_TRIGGER
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struct gpio_callback motswk_gpio_cb;
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const struct device *dev;
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sensor_trigger_handler_t handler;
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const struct sensor_trigger *trigger;
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#if defined(CONFIG_PMW3389_TRIGGER_OWN_THREAD)
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K_THREAD_STACK_MEMBER(thread_stack, CONFIG_PMW3389_THREAD_STACK_SIZE);
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struct k_sem gpio_sem;
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struct k_thread thread;
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#elif defined(CONFIG_PMW3389_TRIGGER_GLOBAL_THREAD)
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struct k_work work;
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#endif
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#endif /* CONFIG_PMW3389_TRIGGER */
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};
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int pmw3389_spi_init(const struct device *dev);
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#ifdef CONFIG_PMW3389_TRIGGER
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int pmw3389_trigger_set(const struct device *dev, const struct sensor_trigger *trig,
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sensor_trigger_handler_t handler);
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int pmw3389_init_interrupt(const struct device *dev);
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#endif
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#endif /* ZEPHYR_DRIVERS_SENSOR_PIXART_PMW3389_H_ */ |