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path: root/drivers/sensors/cirque_pinnacle.h
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Diffstat (limited to 'drivers/sensors/cirque_pinnacle.h')
-rw-r--r--drivers/sensors/cirque_pinnacle.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/sensors/cirque_pinnacle.h b/drivers/sensors/cirque_pinnacle.h
index d65bdb41b6..1c9bf06fd3 100644
--- a/drivers/sensors/cirque_pinnacle.h
+++ b/drivers/sensors/cirque_pinnacle.h
@@ -2,6 +2,7 @@
#pragma once
+#include "cirque_pinnacle_regdefs.h"
#include <stdint.h>
#include <stdbool.h>
@@ -15,6 +16,11 @@
# define CIRQUE_PINNACLE_POSITION_MODE CIRQUE_PINNACLE_ABSOLUTE_MODE
#endif
+#define CIRQUE_PINNACLE_DEFAULT_SCALE 1024
+#ifndef CIRQUE_PINNACLE_DIAMETER_MM
+# define CIRQUE_PINNACLE_DIAMETER_MM 40
+#endif
+
// Coordinate scaling values
#ifndef CIRQUE_PINNACLE_X_LOWER
# define CIRQUE_PINNACLE_X_LOWER 127 // min "reachable" X value
@@ -41,7 +47,7 @@
# include "i2c_master.h"
// Cirque's 7-bit I2C Slave Address
# ifndef CIRQUE_PINNACLE_ADDR
-# define CIRQUE_PINNACLE_ADDR 0x2A
+# define CIRQUE_PINNACLE_ADDR I2C_ADDRESS_DEFAULT
# endif
#elif defined(POINTING_DEVICE_DRIVER_cirque_pinnacle_spi)
# include "spi_master.h"
@@ -66,6 +72,10 @@
# endif
#endif
+#define DIVIDE_UNSIGNED_ROUND(numerator, denominator) (((numerator) + ((denominator) / 2)) / (denominator))
+#define CIRQUE_PINNACLE_INCH_TO_PX(inch) (DIVIDE_UNSIGNED_ROUND((inch) * (uint32_t)CIRQUE_PINNACLE_DIAMETER_MM * 10, 254))
+#define CIRQUE_PINNACLE_PX_TO_INCH(px) (DIVIDE_UNSIGNED_ROUND((px) * (uint32_t)254, CIRQUE_PINNACLE_DIAMETER_MM * 10))
+
// Convenient way to store and access measurements
typedef struct {
bool valid; // true if valid data was read, false if no data was ready
@@ -84,6 +94,8 @@ typedef struct {
} pinnacle_data_t;
void cirque_pinnacle_init(void);
+void cirque_pinnacle_calibrate(void);
+void cirque_pinnacle_cursor_smoothing(bool enable);
pinnacle_data_t cirque_pinnacle_read_data(void);
void cirque_pinnacle_scale_data(pinnacle_data_t* coordinates, uint16_t xResolution, uint16_t yResolution);
uint16_t cirque_pinnacle_get_scale(void);