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Implement relative mode for Cirque trackpad (#17760)

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Drzony 2022-07-30 06:20:34 +02:00 • committed by GitHub
parent b085d5221b
commit 0b726a437b
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7 changed files with 202 additions and 77 deletions
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83
drivers/sensors/cirque_pinnacle.c
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@ -9,6 +9,8 @@
#include "wait.h"
#include "timer.h"
#include <stdlib.h>
#ifndef CIRQUE_PINNACLE_ATTENUATION
# ifdef CIRQUE_PINNACLE_CURVED_OVERLAY
# define CIRQUE_PINNACLE_ATTENUATION EXTREG__TRACK_ADCCONFIG__ADC_ATTENUATE_2X
@ -31,6 +33,7 @@ void print_byte(uint8_t byte) {
}
#endif
#if CIRQUE_PINNACLE_POSITION_MODE
/* Logical Scaling Functions */
// Clips raw coordinates to "reachable" window of sensor
// NOTE: values outside this window can only appear as a result of noise
@ -46,6 +49,7 @@ void ClipCoordinates(pinnacle_data_t* coordinates) {
coordinates->yValue = CIRQUE_PINNACLE_Y_UPPER;
}
}
#endif
uint16_t cirque_pinnacle_get_scale(void) {
return scale_data;
@ -56,6 +60,7 @@ void cirque_pinnacle_set_scale(uint16_t scale) {
// Scales data to desired X & Y resolution
void cirque_pinnacle_scale_data(pinnacle_data_t* coordinates, uint16_t xResolution, uint16_t yResolution) {
#if CIRQUE_PINNACLE_POSITION_MODE
uint32_t xTemp = 0;
uint32_t yTemp = 0;
@ -71,6 +76,22 @@ void cirque_pinnacle_scale_data(pinnacle_data_t* coordinates, uint16_t xResoluti
// scale coordinates to (xResolution, yResolution) range
coordinates->xValue = (uint16_t)(xTemp * xResolution / CIRQUE_PINNACLE_X_RANGE);
coordinates->yValue = (uint16_t)(yTemp * yResolution / CIRQUE_PINNACLE_Y_RANGE);
#else
int32_t xTemp = 0, yTemp = 0;
ldiv_t temp;
static int32_t xRemainder, yRemainder;
temp = ldiv(((int32_t)coordinates->xDelta) * (int32_t)xResolution + xRemainder, (int32_t)CIRQUE_PINNACLE_X_RANGE);
xTemp = temp.quot;
xRemainder = temp.rem;
temp = ldiv(((int32_t)coordinates->yDelta) * (int32_t)yResolution + yRemainder, (int32_t)CIRQUE_PINNACLE_Y_RANGE);
yTemp = temp.quot;
yRemainder = temp.rem;
coordinates->xDelta = (int16_t)xTemp;
coordinates->yDelta = (int16_t)yTemp;
#endif
}
// Clears Status1 register flags (SW_CC and SW_DR)
@ -142,14 +163,20 @@ void ERA_WriteByte(uint16_t address, uint8_t data) {
cirque_pinnacle_clear_flags();
}
void cirque_pinnacle_set_adc_attenuation(uint8_t adcGain) {
bool cirque_pinnacle_set_adc_attenuation(uint8_t adcGain) {
uint8_t adcconfig = 0x00;
ERA_ReadBytes(EXTREG__TRACK_ADCCONFIG, &adcconfig, 1);
adcconfig &= EXTREG__TRACK_ADCCONFIG__ADC_ATTENUATE_MASK;
adcGain &= EXTREG__TRACK_ADCCONFIG__ADC_ATTENUATE_MASK;
if (adcGain == (adcconfig & EXTREG__TRACK_ADCCONFIG__ADC_ATTENUATE_MASK)) {
return false;
}
adcconfig &= ~EXTREG__TRACK_ADCCONFIG__ADC_ATTENUATE_MASK;
adcconfig |= adcGain;
ERA_WriteByte(EXTREG__TRACK_ADCCONFIG, adcconfig);
ERA_ReadBytes(EXTREG__TRACK_ADCCONFIG, &adcconfig, 1);
return true;
}
// Changes thresholds to improve detection of fingers
@ -207,30 +234,52 @@ void cirque_pinnacle_init(void) {
touchpad_init = true;
// Host clears SW_CC flag
cirque_pinnacle_clear_flags();
// send a RESET command now, in case QMK had a soft-reset without a power cycle
RAP_Write(HOSTREG__SYSCONFIG1, HOSTREG__SYSCONFIG1__RESET);
wait_ms(30); // Pinnacle needs 10-15ms to boot, so wait long enough before configuring
RAP_Write(HOSTREG__SYSCONFIG1, HOSTREG__SYSCONFIG1_DEFVAL);
wait_us(50);
// FeedConfig2 (Feature flags for Relative Mode Only)
// Host clears SW_CC flag
cirque_pinnacle_clear_flags();
#if CIRQUE_PINNACLE_POSITION_MODE
RAP_Write(HOSTREG__FEEDCONFIG2, HOSTREG__FEEDCONFIG2_DEFVAL);
#else
// FeedConfig2 (Feature flags for Relative Mode Only)
uint8_t feedconfig2 = HOSTREG__FEEDCONFIG2__GLIDE_EXTEND_DISABLE | HOSTREG__FEEDCONFIG2__INTELLIMOUSE_MODE;
# if !defined(CIRQUE_PINNACLE_TAP_ENABLE)
feedconfig2 |= HOSTREG__FEEDCONFIG2__ALL_TAP_DISABLE;
# endif
# if !defined(CIRQUE_PINNACLE_SECONDARY_TAP_ENABLE)
feedconfig2 |= HOSTREG__FEEDCONFIG2__SECONDARY_TAP_DISABLE;
# elif !defined(CIRQUE_PINNACLE_TAP_ENABLE)
# error CIRQUE_PINNACLE_TAP_ENABLE must be defined for CIRQUE_PINNACLE_SECONDARY_TAP_ENABLE to work
# endif
# if !defined(CIRQUE_PINNACLE_SIDE_SCROLL_ENABLE)
feedconfig2 |= HOSTREG__FEEDCONFIG2__SCROLL_DISABLE;
# endif
RAP_Write(HOSTREG__FEEDCONFIG2, feedconfig2);
#endif
// FeedConfig1 (Data Output Flags)
RAP_Write(HOSTREG__FEEDCONFIG1, CIRQUE_PINNACLE_POSITION_MODE ? HOSTREG__FEEDCONFIG1__DATA_TYPE__REL0_ABS1 : HOSTREG__FEEDCONFIG1_DEFVAL);
#if CIRQUE_PINNACLE_POSITION_MODE
// Host sets z-idle packet count to 5 (default is 0x1E/30)
RAP_Write(HOSTREG__ZIDLE, 5);
#endif
bool calibrate = cirque_pinnacle_set_adc_attenuation(CIRQUE_PINNACLE_ATTENUATION);
cirque_pinnacle_set_adc_attenuation(CIRQUE_PINNACLE_ATTENUATION);
#ifdef CIRQUE_PINNACLE_CURVED_OVERLAY
cirque_pinnacle_tune_edge_sensitivity();
calibrate = true;
#endif
// Force a calibration after setting ADC attenuation
cirque_pinnacle_calibrate();
if (calibrate) {
// Force a calibration after setting ADC attenuation
cirque_pinnacle_calibrate();
}
cirque_pinnacle_enable_feed(true);
}
@ -265,10 +314,18 @@ pinnacle_data_t cirque_pinnacle_read_data(void) {
#else
// Decode data for relative mode
// Registers 0x16 and 0x17 are unused in this mode
result.buttons = data[0] & 0x07; // bit0 = primary button, bit1 = secondary button, bit2 = auxilary button, if Taps enabled then also software-recognized taps are reported
result.xDelta = data[1];
result.yDelta = data[2];
result.wheelCount = data[3];
result.buttons = data[0] & 0x07; // Only three buttons are supported
if ((data[0] & 0x10) && data[1] != 0) {
result.xDelta = -((int16_t)256 - (int16_t)(data[1]));
} else {
result.xDelta = data[1];
}
if ((data[0] & 0x20) && data[2] != 0) {
result.yDelta = ((int16_t)256 - (int16_t)(data[2]));
} else {
result.yDelta = -((int16_t)data[2]);
}
result.wheelCount = ((int8_t*)data)[3];
#endif
result.valid = true;