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Diffstat (limited to 'drivers/sensors/adns5050.h')
-rw-r--r--drivers/sensors/adns5050.h75
1 files changed, 34 insertions, 41 deletions
diff --git a/drivers/sensors/adns5050.h b/drivers/sensors/adns5050.h
index 5e9edc2962..e45a250196 100644
--- a/drivers/sensors/adns5050.h
+++ b/drivers/sensors/adns5050.h
@@ -21,59 +21,52 @@
#include <stdbool.h>
-// Registers
-#define REG_PRODUCT_ID 0x00
-#define REG_REVISION_ID 0x01
-#define REG_MOTION 0x02
-#define REG_DELTA_X 0x03
-#define REG_DELTA_Y 0x04
-#define REG_SQUAL 0x05
-#define REG_SHUTTER_UPPER 0x06
-#define REG_SHUTTER_LOWER 0x07
-#define REG_MAXIMUM_PIXEL 0x08
-#define REG_PIXEL_SUM 0x09
-#define REG_MINIMUM_PIXEL 0x0a
-#define REG_PIXEL_GRAB 0x0b
-#define REG_MOUSE_CONTROL 0x0d
-#define REG_MOUSE_CONTROL2 0x19
-#define REG_LED_DC_MODE 0x22
-#define REG_CHIP_RESET 0x3a
-#define REG_PRODUCT_ID2 0x3e
-#define REG_INV_REV_ID 0x3f
-#define REG_MOTION_BURST 0x63
-
// CPI values
-#define CPI125 0x11
-#define CPI250 0x12
-#define CPI375 0x13
-#define CPI500 0x14
-#define CPI625 0x15
-#define CPI750 0x16
-#define CPI875 0x17
+// clang-format off
+#define CPI125 0x11
+#define CPI250 0x12
+#define CPI375 0x13
+#define CPI500 0x14
+#define CPI625 0x15
+#define CPI750 0x16
+#define CPI875 0x17
#define CPI1000 0x18
#define CPI1125 0x19
#define CPI1250 0x1a
#define CPI1375 0x1b
+// clang-format on
+
+#define constrain(amt, low, high) ((amt) < (low) ? (low) : ((amt) > (high) ? (high) : (amt)))
+
+// Definitions for the ADNS serial line.
+#ifndef ADNS5050_SCLK_PIN
+# error "No clock pin defined -- missing ADNS5050_SCLK_PIN"
+#endif
+
+#ifndef ADNS5050_SDIO_PIN
+# error "No data pin defined -- missing ADNS5050_SDIO_PIN"
+#endif
-#ifdef CONSOLE_ENABLE
-void print_byte(uint8_t byte);
+#ifndef ADNS5050_CS_PIN
+# error "No chip select pin defined -- missing ADNS5050_CS_PIN"
#endif
typedef struct {
int8_t dx;
int8_t dy;
-} report_adns_t;
+} report_adns5050_t;
// A bunch of functions to implement the ADNS5050-specific serial protocol.
// Note that the "serial.h" driver is insufficient, because it does not
// manually manipulate a serial clock signal.
-void adns_init(void);
-void adns_sync(void);
-uint8_t adns_serial_read(void);
-void adns_serial_write(uint8_t data);
-uint8_t adns_read_reg(uint8_t reg_addr);
-void adns_write_reg(uint8_t reg_addr, uint8_t data);
-report_adns_t adns_read_burst(void);
-int8_t convert_twoscomp(uint8_t data);
-void adns_set_cpi(uint8_t cpi);
-bool adns_check_signature(void);
+void adns5050_init(void);
+void adns5050_sync(void);
+uint8_t adns5050_serial_read(void);
+void adns5050_serial_write(uint8_t data);
+uint8_t adns5050_read_reg(uint8_t reg_addr);
+void adns5050_write_reg(uint8_t reg_addr, uint8_t data);
+report_adns5050_t adns5050_read_burst(void);
+void adns5050_set_cpi(uint16_t cpi);
+uint16_t adns5050_get_cpi(void);
+int8_t convert_twoscomp(uint8_t data);
+bool adns5050_check_signature(void);