Rework and expand Pointing Device support (#14343)
Co-authored-by: Dasky <32983009+daskygit@users.noreply.github.com>
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60 changed files with 2107 additions and 1705 deletions
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@ -20,62 +20,71 @@
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#include "wait.h"
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#include "debug.h"
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#include "print.h"
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#include "pmw3360_firmware.h"
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#include PMW3360_FIRMWARE_H
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// Registers
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#define REG_Product_ID 0x00
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#define REG_Revision_ID 0x01
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#define REG_Motion 0x02
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#define REG_Delta_X_L 0x03
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#define REG_Delta_X_H 0x04
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#define REG_Delta_Y_L 0x05
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#define REG_Delta_Y_H 0x06
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#define REG_SQUAL 0x07
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#define REG_Raw_Data_Sum 0x08
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#define REG_Maximum_Raw_data 0x09
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#define REG_Minimum_Raw_data 0x0A
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#define REG_Shutter_Lower 0x0B
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#define REG_Shutter_Upper 0x0C
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#define REG_Control 0x0D
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#define REG_Config1 0x0F
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#define REG_Config2 0x10
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#define REG_Angle_Tune 0x11
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#define REG_Frame_Capture 0x12
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#define REG_SROM_Enable 0x13
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#define REG_Run_Downshift 0x14
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#define REG_Rest1_Rate_Lower 0x15
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#define REG_Rest1_Rate_Upper 0x16
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#define REG_Rest1_Downshift 0x17
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#define REG_Rest2_Rate_Lower 0x18
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#define REG_Rest2_Rate_Upper 0x19
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#define REG_Rest2_Downshift 0x1A
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#define REG_Rest3_Rate_Lower 0x1B
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#define REG_Rest3_Rate_Upper 0x1C
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#define REG_Observation 0x24
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#define REG_Data_Out_Lower 0x25
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#define REG_Data_Out_Upper 0x26
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#define REG_Raw_Data_Dump 0x29
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#define REG_SROM_ID 0x2A
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#define REG_Min_SQ_Run 0x2B
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#define REG_Raw_Data_Threshold 0x2C
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#define REG_Config5 0x2F
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#define REG_Power_Up_Reset 0x3A
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#define REG_Shutdown 0x3B
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#define REG_Inverse_Product_ID 0x3F
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#define REG_LiftCutoff_Tune3 0x41
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#define REG_Angle_Snap 0x42
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#define REG_LiftCutoff_Tune1 0x4A
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#define REG_Motion_Burst 0x50
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#define REG_LiftCutoff_Tune_Timeout 0x58
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// clang-format off
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#define REG_Product_ID 0x00
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#define REG_Revision_ID 0x01
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#define REG_Motion 0x02
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#define REG_Delta_X_L 0x03
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#define REG_Delta_X_H 0x04
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#define REG_Delta_Y_L 0x05
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#define REG_Delta_Y_H 0x06
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#define REG_SQUAL 0x07
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#define REG_Raw_Data_Sum 0x08
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#define REG_Maximum_Raw_data 0x09
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#define REG_Minimum_Raw_data 0x0A
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#define REG_Shutter_Lower 0x0B
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#define REG_Shutter_Upper 0x0C
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#define REG_Control 0x0D
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#define REG_Config1 0x0F
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#define REG_Config2 0x10
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#define REG_Angle_Tune 0x11
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#define REG_Frame_Capture 0x12
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#define REG_SROM_Enable 0x13
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#define REG_Run_Downshift 0x14
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#define REG_Rest1_Rate_Lower 0x15
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#define REG_Rest1_Rate_Upper 0x16
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#define REG_Rest1_Downshift 0x17
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#define REG_Rest2_Rate_Lower 0x18
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#define REG_Rest2_Rate_Upper 0x19
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#define REG_Rest2_Downshift 0x1A
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#define REG_Rest3_Rate_Lower 0x1B
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#define REG_Rest3_Rate_Upper 0x1C
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#define REG_Observation 0x24
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#define REG_Data_Out_Lower 0x25
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#define REG_Data_Out_Upper 0x26
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#define REG_Raw_Data_Dump 0x29
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#define REG_SROM_ID 0x2A
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#define REG_Min_SQ_Run 0x2B
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#define REG_Raw_Data_Threshold 0x2C
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#define REG_Config5 0x2F
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#define REG_Power_Up_Reset 0x3A
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#define REG_Shutdown 0x3B
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#define REG_Inverse_Product_ID 0x3F
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#define REG_LiftCutoff_Tune3 0x41
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#define REG_Angle_Snap 0x42
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#define REG_LiftCutoff_Tune1 0x4A
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#define REG_Motion_Burst 0x50
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#define REG_LiftCutoff_Tune_Timeout 0x58
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#define REG_LiftCutoff_Tune_Min_Length 0x5A
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#define REG_SROM_Load_Burst 0x62
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#define REG_Lift_Config 0x63
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#define REG_Raw_Data_Burst 0x64
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#define REG_LiftCutoff_Tune2 0x65
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#define REG_SROM_Load_Burst 0x62
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#define REG_Lift_Config 0x63
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#define REG_Raw_Data_Burst 0x64
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#define REG_LiftCutoff_Tune2 0x65
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// clang-format on
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#ifndef MAX_CPI
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# define MAX_CPI 0x77 // limits to 0--119, should be max cpi/100
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#endif
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bool _inBurst = false;
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#ifdef CONSOLE_ENABLE
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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')); }
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#endif
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#define constrain(amt, low, high) ((amt) < (low) ? (low) : ((amt) > (high) ? (high) : (amt)))
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bool spi_start_adv(void) {
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bool status = spi_start(PMW3360_CS_PIN, PMW3360_SPI_LSBFIRST, PMW3360_SPI_MODE, PMW3360_SPI_DIVISOR);
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@ -124,20 +133,20 @@ uint8_t spi_read_adv(uint8_t reg_addr) {
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return data;
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}
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void pmw_set_cpi(uint16_t cpi) {
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uint8_t cpival = constrain((cpi / 100) - 1, 0, 0x77); // limits to 0--119
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void pmw3360_set_cpi(uint16_t cpi) {
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uint8_t cpival = constrain((cpi / 100) - 1, 0, MAX_CPI);
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spi_start_adv();
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spi_write_adv(REG_Config1, cpival);
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spi_stop();
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}
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uint16_t pmw_get_cpi(void) {
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uint16_t pmw3360_get_cpi(void) {
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uint8_t cpival = spi_read_adv(REG_Config1);
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return (uint16_t)(cpival & 0xFF) * 100;
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}
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bool pmw_spi_init(void) {
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bool pmw3360_init(void) {
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setPinOutput(PMW3360_CS_PIN);
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spi_init();
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@ -164,12 +173,12 @@ bool pmw_spi_init(void) {
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spi_read_adv(REG_Delta_Y_L);
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spi_read_adv(REG_Delta_Y_H);
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pmw_upload_firmware();
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pmw3360_upload_firmware();
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spi_stop_adv();
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wait_ms(10);
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pmw_set_cpi(PMW3360_CPI);
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pmw3360_set_cpi(PMW3360_CPI);
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wait_ms(1);
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@ -177,14 +186,14 @@ bool pmw_spi_init(void) {
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spi_write_adv(REG_Angle_Tune, constrain(ROTATIONAL_TRANSFORM_ANGLE, -30, 30));
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bool init_success = pmw_check_signature();
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bool init_success = pmw3360_check_signature();
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writePinLow(PMW3360_CS_PIN);
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return init_success;
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}
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void pmw_upload_firmware(void) {
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void pmw3360_upload_firmware(void) {
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spi_write_adv(REG_SROM_Enable, 0x1d);
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wait_ms(10);
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@ -211,16 +220,18 @@ void pmw_upload_firmware(void) {
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wait_ms(10);
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}
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bool pmw_check_signature(void) {
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bool pmw3360_check_signature(void) {
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uint8_t pid = spi_read_adv(REG_Product_ID);
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uint8_t iv_pid = spi_read_adv(REG_Inverse_Product_ID);
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uint8_t SROM_ver = spi_read_adv(REG_SROM_ID);
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return (pid == 0x42 && iv_pid == 0xBD && SROM_ver == 0x04); // signature for SROM 0x04
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return (pid == firmware_signature[0] && iv_pid == firmware_signature[1] && SROM_ver == firmware_signature[2]); // signature for SROM 0x04
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}
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report_pmw_t pmw_read_burst(void) {
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report_pmw3360_t pmw3360_read_burst(void) {
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if (!_inBurst) {
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#ifdef CONSOLE_ENABLE
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dprintf("burst on");
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#endif
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spi_write_adv(REG_Motion_Burst, 0x00);
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_inBurst = true;
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}
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@ -229,12 +240,7 @@ report_pmw_t pmw_read_burst(void) {
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spi_write(REG_Motion_Burst);
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wait_us(35); // waits for tSRAD
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report_pmw_t data;
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data.motion = 0;
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data.dx = 0;
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data.mdx = 0;
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data.dy = 0;
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data.mdx = 0;
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report_pmw3360_t data = {0};
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data.motion = spi_read();
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spi_write(0x00); // skip Observation
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@ -245,6 +251,7 @@ report_pmw_t pmw_read_burst(void) {
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spi_stop();
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#ifdef CONSOLE_ENABLE
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if (debug_mouse) {
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print_byte(data.motion);
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print_byte(data.dx);
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@ -253,6 +260,7 @@ report_pmw_t pmw_read_burst(void) {
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print_byte(data.mdy);
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dprintf("\n");
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}
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#endif
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data.isMotion = (data.motion & 0x80) != 0;
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data.isOnSurface = (data.motion & 0x08) == 0;
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