1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/sensors/pmw3389.h b/drivers/sensors/pmw3389.h
new file mode 100644
index 0000000000..a7c95e6076
--- /dev/null
+++ b/drivers/sensors/pmw3389.h
@@ -0,0 +1,76 @@
+/* Copyright 2021 Alabastard (@Alabastard-64)
+ * Copyright 2020 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.com>
+ * Copyright 2019 Sunjun Kim
+ * Copyright 2020 Ploopy Corporation
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+#ifndef PMW3389_CPI
+#    define PMW3389_CPI 2000
+#endif
+
+#ifndef PMW3389_CLOCK_SPEED
+#    define PMW3389_CLOCK_SPEED 2000000
+#endif
+
+#ifndef PMW3389_SPI_LSBFIRST
+#    define PMW3389_SPI_LSBFIRST false
+#endif
+
+#ifndef PMW3389_SPI_MODE
+#    define PMW3389_SPI_MODE 3
+#endif
+
+#ifndef PMW3389_SPI_DIVISOR
+#    ifdef __AVR__
+#        define PMW3389_SPI_DIVISOR (F_CPU / PMW3389_CLOCK_SPEED)
+#    else
+#        define PMW3389_SPI_DIVISOR 64
+#    endif
+#endif
+
+#ifndef PMW3389_LIFTOFF_DISTANCE
+#    define PMW3389_LIFTOFF_DISTANCE 0x02
+#endif
+
+#ifndef ROTATIONAL_TRANSFORM_ANGLE
+#    define ROTATIONAL_TRANSFORM_ANGLE 0x00
+#endif
+
+#ifndef PMW3389_CS_PIN
+#    error "No chip select pin defined -- missing PMW3389_CS_PIN"
+#endif
+
+typedef struct {
+    int8_t  motion;
+    bool    isMotion;     // True if a motion is detected.
+    bool    isOnSurface;  // True when a chip is on a surface
+    int16_t dx;           // displacement on x directions. Unit: Count. (CPI * Count = Inch value)
+    int8_t  mdx;
+    int16_t dy;  // displacement on y directions.
+    int8_t  mdy;
+} report_pmw3389_t;
+
+bool     pmw3389_init(void);
+void     pmw3389_upload_firmware(void);
+bool     pmw3389_check_signature(void);
+uint16_t pmw3389_get_cpi(void);
+void     pmw3389_set_cpi(uint16_t cpi);
+/* Reads and clears the current delta values on the sensor */
+report_pmw3389_t pmw3389_read_burst(void);