1 files changed, 74 insertions, 0 deletions

diff --git a/drivers/sensors/cirque_pinnacle.h b/drivers/sensors/cirque_pinnacle.h
new file mode 100644
index 000000000..db891122a
--- /dev/null
+++ b/drivers/sensors/cirque_pinnacle.h
@@ -0,0 +1,74 @@
+// Copyright (c) 2018 Cirque Corp. Restrictions apply. See: www.cirque.com/sw-license
+
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+// Convenient way to store and access measurements
+typedef struct {
+    uint16_t xValue;
+    uint16_t yValue;
+    uint16_t zValue;
+    uint8_t  buttonFlags;
+    bool     touchDown;
+} pinnacle_data_t;
+
+void            cirque_pinnacle_init(void);
+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);
+void            cirque_pinnacle_set_scale(uint16_t scale);
+
+#ifndef CIRQUE_PINNACLE_TIMEOUT
+#    define CIRQUE_PINNACLE_TIMEOUT 20
+#endif
+
+// Coordinate scaling values
+#ifndef CIRQUE_PINNACLE_X_LOWER
+#    define CIRQUE_PINNACLE_X_LOWER 127  // min "reachable" X value
+#endif
+#ifndef CIRQUE_PINNACLE_X_UPPER
+#    define CIRQUE_PINNACLE_X_UPPER 1919  // max "reachable" X value
+#endif
+#ifndef CIRQUE_PINNACLE_Y_LOWER
+#    define CIRQUE_PINNACLE_Y_LOWER 63  // min "reachable" Y value
+#endif
+#ifndef CIRQUE_PINNACLE_Y_UPPER
+#    define CIRQUE_PINNACLE_Y_UPPER 1471  // max "reachable" Y value
+#endif
+#ifndef CIRQUE_PINNACLE_X_RANGE
+#    define CIRQUE_PINNACLE_X_RANGE (CIRQUE_PINNACLE_X_UPPER - CIRQUE_PINNACLE_X_LOWER)
+#endif
+#ifndef CIRQUE_PINNACLE_Y_RANGE
+#    define CIRQUE_PINNACLE_Y_RANGE (CIRQUE_PINNACLE_Y_UPPER - CIRQUE_PINNACLE_Y_LOWER)
+#endif
+
+#if defined(POINTING_DEVICE_DRIVER_cirque_pinnacle_i2c)
+#    include "i2c_master.h"
+// Cirque's 7-bit I2C Slave Address
+#    ifndef CIRQUE_PINNACLE_ADDR
+#        define CIRQUE_PINNACLE_ADDR 0x2A
+#    endif
+#elif defined(POINTING_DEVICE_DRIVER_cirque_pinnacle_spi)
+#    include "spi_master.h"
+#    ifndef CIRQUE_PINNACLE_CLOCK_SPEED
+#        define CIRQUE_PINNACLE_CLOCK_SPEED 10000000
+#    endif
+#    ifndef CIRQUE_PINNACLE_SPI_LSBFIRST
+#        define CIRQUE_PINNACLE_SPI_LSBFIRST false
+#    endif
+#    ifndef CIRQUE_PINNACLE_SPI_MODE
+#        define CIRQUE_PINNACLE_SPI_MODE 1
+#    endif
+#    ifndef CIRQUE_PINNACLE_SPI_DIVISOR
+#        ifdef __AVR__
+#            define CIRQUE_PINNACLE_SPI_DIVISOR (F_CPU / CIRQUE_PINNACLE_CLOCK_SPEED)
+#        else
+#            define CIRQUE_PINNACLE_SPI_DIVISOR 64
+#        endif
+#        ifndef CIRQUE_PINNACLE_SPI_CS_PIN
+#            error "No Chip Select pin has been defined -- missing CIRQUE_PINNACLE_SPI_CS_PIN define"
+#        endif
+#    endif
+#endif