diff options
| -rw-r--r-- | builddefs/common_features.mk | 2 | ||||
| -rw-r--r-- | docs/feature_pointing_device.md | 18 | ||||
| -rw-r--r-- | drivers/sensors/paw3204.c | 172 | ||||
| -rw-r--r-- | drivers/sensors/paw3204.h | 68 | ||||
| -rw-r--r-- | quantum/pointing_device.h | 2 | ||||
| -rw-r--r-- | quantum/pointing_device_drivers.c | 21 |
6 files changed, 282 insertions, 1 deletions
diff --git a/builddefs/common_features.mk b/builddefs/common_features.mk index d7a00ba944..9ee51149ef 100644 --- a/builddefs/common_features.mk +++ b/builddefs/common_features.mk @@ -126,7 +126,7 @@ ifeq ($(strip $(MOUSEKEY_ENABLE)), yes) SRC += $(QUANTUM_DIR)/mousekey.c endif -VALID_POINTING_DEVICE_DRIVER_TYPES := adns5050 adns9800 analog_joystick cirque_pinnacle_i2c cirque_pinnacle_spi pmw3360 pmw3389 pimoroni_trackball custom +VALID_POINTING_DEVICE_DRIVER_TYPES := adns5050 adns9800 analog_joystick cirque_pinnacle_i2c cirque_pinnacle_spi paw3204 pmw3360 pmw3389 pimoroni_trackball custom ifeq ($(strip $(POINTING_DEVICE_ENABLE)), yes) ifeq ($(filter $(POINTING_DEVICE_DRIVER),$(VALID_POINTING_DEVICE_DRIVER_TYPES)),) $(call CATASTROPHIC_ERROR,Invalid POINTING_DEVICE_DRIVER,POINTING_DEVICE_DRIVER="$(POINTING_DEVICE_DRIVER)" is not a valid pointing device type) diff --git a/docs/feature_pointing_device.md b/docs/feature_pointing_device.md index 6343ed073d..f0463a131d 100644 --- a/docs/feature_pointing_device.md +++ b/docs/feature_pointing_device.md @@ -136,6 +136,24 @@ Also see the `POINTING_DEVICE_TASK_THROTTLE_MS`, which defaults to 10ms when usi **`POINTING_DEVICE_GESTURES_CURSOR_GLIDE_ENABLE`** is not specific to Cirque trackpad; any pointing device with a lift/contact status can integrate this gesture into its driver. e.g. PMW3360 can use Lift_Stat from Motion register. Note that `POINTING_DEVICE_MOTION_PIN` cannot be used with this feature; continuous polling of `pointing_device_get_report()` is needed to generate glide reports. +### PAW 3204 Sensor + +To use the paw 3204 sensor, add this to your `rules.mk` + +```make +POINTING_DEVICE_DRIVER = paw3204 +``` + +The paw 3204 sensor uses a serial type protocol for communication, and requires an additional light source. + +| Setting | Description | +|--------------------|---------------------------------------------------------------------| +|`PAW3204_SCLK_PIN` | (Required) The pin connected to the clock pin of the sensor. | +|`PAW3204_SDIO_PIN` | (Required) The pin connected to the data pin of the sensor. | + +The CPI range is 400-1600, with supported values of (400, 500, 600, 800, 1000, 1200 and 1600). Defaults to 1000 CPI. + + ### Pimoroni Trackball To use the Pimoroni Trackball module, add this to your `rules.mk`: diff --git a/drivers/sensors/paw3204.c b/drivers/sensors/paw3204.c new file mode 100644 index 0000000000..a13753dd6f --- /dev/null +++ b/drivers/sensors/paw3204.c @@ -0,0 +1,172 @@ +/* Copyright 2021 Gompa (@Gompa) + * + * 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/>. + */ + +// https://github.com/shinoaliceKabocha/choco60_track/tree/master/keymaps/default + +#include "paw3204.h" +#include "wait.h" +#include "debug.h" +#include "gpio.h" + +#define REG_PID1 0x00 +#define REG_PID2 0x01 +#define REG_STAT 0x02 +#define REG_X 0x03 +#define REG_Y 0x04 + +#define REG_SETUP 0x06 +#define REG_IMGQUAL 0x07 +#define REG_IMGREC 0x0E +#define REG_IMGTRASH 0x0D + +#define constrain(amt, low, high) ((amt) < (low) ? (low) : ((amt) > (high) ? (high) : (amt))) + +// CPI values +enum cpi_values { + CPI400, // 0b000 + CPI500, // 0b001 + CPI600, // 0b010 + CPI800, // 0b011 + CPI1000, // 0b100 + CPI1200, // 0b101 + CPI1600, // 0b110 +}; + +uint8_t paw3204_serial_read(void); +void paw3204_serial_write(uint8_t reg_addr); +uint8_t paw3204_read_reg(uint8_t reg_addr); +void paw3204_write_reg(uint8_t reg_addr, uint8_t data); + +void paw3204_init(void) { + setPinOutput(PAW3204_SCLK_PIN); // setclockpin to output + setPinInputHigh(PAW3204_SDIO_PIN); // set datapin input high + + paw3204_write_reg(REG_SETUP, 0x86); // reset sensor and set 1600cpi + wait_us(5); + + paw3204_read_reg(0x00); // read id + paw3204_read_reg(0x01); // read id2 + // PAW3204_write_reg(REG_SETUP,0x06); // dont reset sensor and set cpi 1600 + paw3204_write_reg(REG_IMGTRASH, 0x32); // write image trashhold +} + +uint8_t paw3204_serial_read(void) { + setPinInput(PAW3204_SDIO_PIN); + uint8_t byte = 0; + + for (uint8_t i = 0; i < 8; ++i) { + writePinLow(PAW3204_SCLK_PIN); + wait_us(1); + + byte = (byte << 1) | readPin(PAW3204_SDIO_PIN); + + writePinHigh(PAW3204_SCLK_PIN); + wait_us(1); + } + + return byte; +} + +void paw3204_serial_write(uint8_t data) { + writePinLow(PAW3204_SDIO_PIN); + setPinOutput(PAW3204_SDIO_PIN); + + for (int8_t b = 7; b >= 0; b--) { + writePinLow(PAW3204_SCLK_PIN); + if (data & (1 << b)) { + writePinHigh(PAW3204_SDIO_PIN); + } else { + writePinLow(PAW3204_SDIO_PIN); + } + writePinHigh(PAW3204_SCLK_PIN); + } + + wait_us(4); +} + +report_paw3204_t paw3204_read(void) { + report_paw3204_t data = {0}; + + data.isMotion = paw3204_read_reg(REG_STAT) & (1 << 7); // check for motion only (bit 7 in field) + data.x = (int8_t)paw3204_read_reg(REG_X); + data.y = (int8_t)paw3204_read_reg(REG_Y); + + return data; +} + +void paw3204_write_reg(uint8_t reg_addr, uint8_t data) { + paw3204_serial_write(0b10000000 | reg_addr); + paw3204_serial_write(data); +} + +uint8_t paw3204_read_reg(uint8_t reg_addr) { + paw3204_serial_write(reg_addr); + wait_us(5); + return paw3204_serial_read(); +} + +void paw3204_set_cpi(uint16_t cpi) { + uint8_t cpival = CPI1000; + if (cpi <= 450) { + cpival = CPI400; + } else if (cpi <= 550) { + cpival = CPI500; + } else if (cpi <= 700) { + cpival = CPI600; + } else if (cpi <= 900) { + cpival = CPI800; + } else if (cpi <= 1100) { + cpival = CPI1000; + } else if (cpi <= 1400) { + cpival = CPI1200; + } else if (cpi > 1400) { + cpival = CPI1600; + } + paw3204_write_reg(REG_SETUP, cpival); +} + +uint16_t paw3204_get_cpi(void) { + uint16_t cpival = 1000; + + switch (paw3204_read_reg(REG_SETUP) & 0b111) { + case CPI400: + cpival = 400; + break; + case CPI500: + cpival = 500; + break; + case CPI600: + cpival = 600; + break; + case CPI800: + cpival = 800; + break; + case CPI1000: + cpival = 1000; + break; + case CPI1200: + cpival = 1200; + break; + case CPI1600: + cpival = 1600; + break; + } + return cpival; +} + +uint8_t read_pid_paw3204(void) { + return paw3204_read_reg(REG_PID1); +} diff --git a/drivers/sensors/paw3204.h b/drivers/sensors/paw3204.h new file mode 100644 index 0000000000..bf6dbd04a0 --- /dev/null +++ b/drivers/sensors/paw3204.h @@ -0,0 +1,68 @@ +/* Copyright 2021 Gompa (@Gompa) + * + * 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> +#include <stdbool.h> + +#ifndef PAW3204_SCLK_PIN +# error "No clock pin defined -- missing PAW3204_SCLK_PIN" +#endif +#ifndef PAW3204_SDIO_PIN +# error "No data pin defined -- missing PAW3204_SDIO_PIN" +#endif + +typedef struct { + int16_t x; + int16_t y; + bool isMotion; +} report_paw3204_t; + +/** + * @brief Initializes the sensor so it is in a working state and ready to + * be polled for data. + * + * @return true Initialization was a success + * @return false Initialization failed, do not proceed operation + */ +void paw3204_init(void); + +/** + * @brief Reads and clears the current delta, and motion register values on the + * given sensor. + * + * @return pmw33xx_report_t Current values of the sensor, if errors occurred all + * fields are set to zero + */ + +report_paw3204_t paw3204_read(void); +/** + * @brief Sets the given CPI value the sensor. CPI is often refereed to + * as the sensors sensitivity. Values outside of the allowed range are + * constrained into legal values. + * + * @param cpi CPI value to set + */ +void paw3204_set_cpi(uint16_t cpi); + +/** + * @brief Gets the currently set CPI value from the sensor. CPI is often + * refereed to as the sensors sensitivity. + * + * @return uint16_t Current CPI value of the sensor + */ +uint16_t paw3204_get_cpi(void); diff --git a/quantum/pointing_device.h b/quantum/pointing_device.h index a8e8e75e87..77db5471ea 100644 --- a/quantum/pointing_device.h +++ b/quantum/pointing_device.h @@ -33,6 +33,8 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. # include "drivers/sensors/cirque_pinnacle.h" # include "drivers/sensors/cirque_pinnacle_gestures.h" # include "pointing_device_gestures.h" +#elif defined(POINTING_DEVICE_DRIVER_paw3204) +# include "drivers/sensors/paw3204.h" #elif defined(POINTING_DEVICE_DRIVER_pimoroni_trackball) # include "i2c_master.h" # include "drivers/sensors/pimoroni_trackball.h" diff --git a/quantum/pointing_device_drivers.c b/quantum/pointing_device_drivers.c index b7e98e897e..d0b545d22d 100644 --- a/quantum/pointing_device_drivers.c +++ b/quantum/pointing_device_drivers.c @@ -26,6 +26,7 @@ #define CONSTRAIN_HID_XY(amt) ((amt) < XY_REPORT_MIN ? XY_REPORT_MIN : ((amt) > XY_REPORT_MAX ? XY_REPORT_MAX : (amt))) // get_report functions should probably be moved to their respective drivers. + #if defined(POINTING_DEVICE_DRIVER_adns5050) report_mouse_t adns5050_get_report(report_mouse_t mouse_report) { report_adns5050_t data = adns5050_read_burst(); @@ -198,7 +199,27 @@ const pointing_device_driver_t pointing_device_driver = { .get_cpi = cirque_pinnacle_get_cpi }; // clang-format on +#elif defined(POINTING_DEVICE_DRIVER_paw3204) + +report_mouse_t paw3204_get_report(report_mouse_t mouse_report) { + report_paw3204_t data = paw3204_read(); + if (data.isMotion) { +# ifdef CONSOLE_ENABLE + dprintf("Raw ] X: %d, Y: %d\n", data.x, data.y); +# endif + + mouse_report.x = data.x; + mouse_report.y = data.y; + } + return mouse_report; +} +const pointing_device_driver_t pointing_device_driver = { + .init = paw3204_init, + .get_report = paw3204_get_report, + .set_cpi = paw3204_set_cpi, + .get_cpi = paw3204_get_cpi, +}; #elif defined(POINTING_DEVICE_DRIVER_pimoroni_trackball) mouse_xy_report_t pimoroni_trackball_adapt_values(clamp_range_t* offset) { |