diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/sensors/pmw3360.c | 80 | ||||
| -rw-r--r-- | drivers/sensors/pmw3360.h | 81 |
2 files changed, 87 insertions, 74 deletions
diff --git a/drivers/sensors/pmw3360.c b/drivers/sensors/pmw3360.c index 13c5bdea26..17c4675ffa 100644 --- a/drivers/sensors/pmw3360.c +++ b/drivers/sensors/pmw3360.c @@ -16,37 +16,69 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +#include "pmw3360.h" #include "wait.h" #include "debug.h" #include "print.h" -#include "pmw3360.h" #include "pmw3360_firmware.h" -bool _inBurst = false; +// Registers +#define REG_Product_ID 0x00 +#define REG_Revision_ID 0x01 +#define REG_Motion 0x02 +#define REG_Delta_X_L 0x03 +#define REG_Delta_X_H 0x04 +#define REG_Delta_Y_L 0x05 +#define REG_Delta_Y_H 0x06 +#define REG_SQUAL 0x07 +#define REG_Raw_Data_Sum 0x08 +#define REG_Maximum_Raw_data 0x09 +#define REG_Minimum_Raw_data 0x0A +#define REG_Shutter_Lower 0x0B +#define REG_Shutter_Upper 0x0C +#define REG_Control 0x0D +#define REG_Config1 0x0F +#define REG_Config2 0x10 +#define REG_Angle_Tune 0x11 +#define REG_Frame_Capture 0x12 +#define REG_SROM_Enable 0x13 +#define REG_Run_Downshift 0x14 +#define REG_Rest1_Rate_Lower 0x15 +#define REG_Rest1_Rate_Upper 0x16 +#define REG_Rest1_Downshift 0x17 +#define REG_Rest2_Rate_Lower 0x18 +#define REG_Rest2_Rate_Upper 0x19 +#define REG_Rest2_Downshift 0x1A +#define REG_Rest3_Rate_Lower 0x1B +#define REG_Rest3_Rate_Upper 0x1C +#define REG_Observation 0x24 +#define REG_Data_Out_Lower 0x25 +#define REG_Data_Out_Upper 0x26 +#define REG_Raw_Data_Dump 0x29 +#define REG_SROM_ID 0x2A +#define REG_Min_SQ_Run 0x2B +#define REG_Raw_Data_Threshold 0x2C +#define REG_Config5 0x2F +#define REG_Power_Up_Reset 0x3A +#define REG_Shutdown 0x3B +#define REG_Inverse_Product_ID 0x3F +#define REG_LiftCutoff_Tune3 0x41 +#define REG_Angle_Snap 0x42 +#define REG_LiftCutoff_Tune1 0x4A +#define REG_Motion_Burst 0x50 +#define REG_LiftCutoff_Tune_Timeout 0x58 +#define REG_LiftCutoff_Tune_Min_Length 0x5A +#define REG_SROM_Load_Burst 0x62 +#define REG_Lift_Config 0x63 +#define REG_Raw_Data_Burst 0x64 +#define REG_LiftCutoff_Tune2 0x65 -#ifndef PMW_CPI -# define PMW_CPI 1600 -#endif -#ifndef PMW_CLOCK_SPEED -# define PMW_CLOCK_SPEED 70000000 -#endif -#ifndef SPI_MODE -# define SPI_MODE 3 -#endif -#ifndef SPI_DIVISOR -# define SPI_DIVISOR (F_CPU / PMW_CLOCK_SPEED) -#endif -#ifndef ROTATIONAL_TRANSFORM_ANGLE -# define ROTATIONAL_TRANSFORM_ANGLE 0x00 -#endif -#ifndef PMW_CS_PIN -# define PMW_CS_PIN SPI_SS_PIN -#endif +bool _inBurst = false; void print_byte(uint8_t byte) { dprintf("%c%c%c%c%c%c%c%c|", (byte & 0x80 ? '1' : '0'), (byte & 0x40 ? '1' : '0'), (byte & 0x20 ? '1' : '0'), (byte & 0x10 ? '1' : '0'), (byte & 0x08 ? '1' : '0'), (byte & 0x04 ? '1' : '0'), (byte & 0x02 ? '1' : '0'), (byte & 0x01 ? '1' : '0')); } bool spi_start_adv(void) { - bool status = spi_start(PMW_CS_PIN, false, SPI_MODE, SPI_DIVISOR); + bool status = spi_start(PMW3360_CS_PIN, PMW3360_SPI_LSBFIRST, PMW3360_SPI_MODE, PMW3360_SPI_DIVISOR); wait_us(1); return status; } @@ -106,7 +138,7 @@ uint16_t pmw_get_cpi(void) { } bool pmw_spi_init(void) { - setPinOutput(PMW_CS_PIN); + setPinOutput(PMW3360_CS_PIN); spi_init(); _inBurst = false; @@ -137,7 +169,7 @@ bool pmw_spi_init(void) { spi_stop_adv(); wait_ms(10); - pmw_set_cpi(PMW_CPI); + pmw_set_cpi(PMW3360_CPI); wait_ms(1); @@ -147,7 +179,7 @@ bool pmw_spi_init(void) { bool init_success = pmw_check_signature(); - writePinLow(PMW_CS_PIN); + writePinLow(PMW3360_CS_PIN); return init_success; } diff --git a/drivers/sensors/pmw3360.h b/drivers/sensors/pmw3360.h index d5b1741791..3a2a536e5c 100644 --- a/drivers/sensors/pmw3360.h +++ b/drivers/sensors/pmw3360.h @@ -20,56 +20,37 @@ #include "spi_master.h" -// Registers -#define REG_Product_ID 0x00 -#define REG_Revision_ID 0x01 -#define REG_Motion 0x02 -#define REG_Delta_X_L 0x03 -#define REG_Delta_X_H 0x04 -#define REG_Delta_Y_L 0x05 -#define REG_Delta_Y_H 0x06 -#define REG_SQUAL 0x07 -#define REG_Raw_Data_Sum 0x08 -#define REG_Maximum_Raw_data 0x09 -#define REG_Minimum_Raw_data 0x0A -#define REG_Shutter_Lower 0x0B -#define REG_Shutter_Upper 0x0C -#define REG_Control 0x0D -#define REG_Config1 0x0F -#define REG_Config2 0x10 -#define REG_Angle_Tune 0x11 -#define REG_Frame_Capture 0x12 -#define REG_SROM_Enable 0x13 -#define REG_Run_Downshift 0x14 -#define REG_Rest1_Rate_Lower 0x15 -#define REG_Rest1_Rate_Upper 0x16 -#define REG_Rest1_Downshift 0x17 -#define REG_Rest2_Rate_Lower 0x18 -#define REG_Rest2_Rate_Upper 0x19 -#define REG_Rest2_Downshift 0x1A -#define REG_Rest3_Rate_Lower 0x1B -#define REG_Rest3_Rate_Upper 0x1C -#define REG_Observation 0x24 -#define REG_Data_Out_Lower 0x25 -#define REG_Data_Out_Upper 0x26 -#define REG_Raw_Data_Dump 0x29 -#define REG_SROM_ID 0x2A -#define REG_Min_SQ_Run 0x2B -#define REG_Raw_Data_Threshold 0x2C -#define REG_Config5 0x2F -#define REG_Power_Up_Reset 0x3A -#define REG_Shutdown 0x3B -#define REG_Inverse_Product_ID 0x3F -#define REG_LiftCutoff_Tune3 0x41 -#define REG_Angle_Snap 0x42 -#define REG_LiftCutoff_Tune1 0x4A -#define REG_Motion_Burst 0x50 -#define REG_LiftCutoff_Tune_Timeout 0x58 -#define REG_LiftCutoff_Tune_Min_Length 0x5A -#define REG_SROM_Load_Burst 0x62 -#define REG_Lift_Config 0x63 -#define REG_Raw_Data_Burst 0x64 -#define REG_LiftCutoff_Tune2 0x65 +#ifndef PMW3360_CPI +# define PMW3360_CPI 1600 +#endif + +#ifndef PMW3360_CLOCK_SPEED +# define PMW3360_CLOCK_SPEED 70000000 +#endif + +#ifndef PMW3360_SPI_LSBFIRST +# define PMW3360_SPI_LSBFIRST false +#endif + +#ifndef PMW3360_SPI_MODE +# define PMW3360_SPI_MODE 3 +#endif + +#ifndef PMW3360_SPI_DIVISOR +# ifdef __AVR__ +# define PMW3360_SPI_DIVISOR (F_CPU / PMW3360_CLOCK_SPEED) +# else +# define EXTERNAL_EEPROM_SPI_CLOCK_DIVISOR 64 +# endif +#endif + +#ifndef ROTATIONAL_TRANSFORM_ANGLE +# define ROTATIONAL_TRANSFORM_ANGLE 0x00 +#endif + +#ifndef PMW3360_CS_PIN +# error "No chip select pin defined -- missing PMW3360_CS_PIN" +#endif #ifdef CONSOLE_ENABLE void print_byte(uint8_t byte); |