316 lines
15 KiB
C
316 lines
15 KiB
C
// Copyright 2023 Dasky (@daskygit)
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// Copyright 2023 George Norton (@george-norton)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "azoteq_iqs5xx.h"
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#include "pointing_device_internal.h"
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#include "wait.h"
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#ifndef AZOTEQ_IQS5XX_ADDRESS
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# define AZOTEQ_IQS5XX_ADDRESS (0x74 << 1)
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#endif
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#ifndef AZOTEQ_IQS5XX_TIMEOUT_MS
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# define AZOTEQ_IQS5XX_TIMEOUT_MS 10
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#endif
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#define AZOTEQ_IQS5XX_REG_PRODUCT_NUMBER 0x0000
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#define AZOTEQ_IQS5XX_REG_PREVIOUS_CYCLE_TIME 0x000C
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#define AZOTEQ_IQS5XX_REG_SYSTEM_CONTROL_1 0x0432
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#define AZOTEQ_IQS5XX_REG_REPORT_RATE_ACTIVE 0x057A
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#define AZOTEQ_IQS5XX_REG_SYSTEM_CONFIG_0 0x058E
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#define AZOTEQ_IQS5XX_REG_SYSTEM_CONFIG_1 0x058F
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#define AZOTEQ_IQS5XX_REG_X_RESOLUTION 0x066E
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#define AZOTEQ_IQS5XX_REG_XY_CONFIG_0 0x0669
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#define AZOTEQ_IQS5XX_REG_Y_RESOLUTION 0x0670
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#define AZOTEQ_IQS5XX_REG_SINGLE_FINGER_GESTURES 0x06B7
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#define AZOTEQ_IQS5XX_REG_END_COMMS 0xEEEE
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// Gesture configuration
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#ifndef AZOTEQ_IQS5XX_TAP_ENABLE
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# define AZOTEQ_IQS5XX_TAP_ENABLE true
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#endif
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#ifndef AZOTEQ_IQS5XX_PRESS_AND_HOLD_ENABLE
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# define AZOTEQ_IQS5XX_PRESS_AND_HOLD_ENABLE false
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#endif
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#ifndef AZOTEQ_IQS5XX_TWO_FINGER_TAP_ENABLE
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# define AZOTEQ_IQS5XX_TWO_FINGER_TAP_ENABLE true
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#endif
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#ifndef AZOTEQ_IQS5XX_SCROLL_ENABLE
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# define AZOTEQ_IQS5XX_SCROLL_ENABLE true
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#endif
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#ifndef AZOTEQ_IQS5XX_SWIPE_X_ENABLE
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# define AZOTEQ_IQS5XX_SWIPE_X_ENABLE false
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#endif
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#ifndef AZOTEQ_IQS5XX_SWIPE_Y_ENABLE
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# define AZOTEQ_IQS5XX_SWIPE_Y_ENABLE false
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#endif
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#ifndef AZOTEQ_IQS5XX_ZOOM_ENABLE
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# define AZOTEQ_IQS5XX_ZOOM_ENABLE false
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#endif
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#ifndef AZOTEQ_IQS5XX_TAP_TIME
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# define AZOTEQ_IQS5XX_TAP_TIME 0x96
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#endif
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#ifndef AZOTEQ_IQS5XX_TAP_DISTANCE
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# define AZOTEQ_IQS5XX_TAP_DISTANCE 0x19
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#endif
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#ifndef AZOTEQ_IQS5XX_HOLD_TIME
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# define AZOTEQ_IQS5XX_HOLD_TIME 0x12C
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#endif
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#ifndef AZOTEQ_IQS5XX_SWIPE_INITIAL_TIME
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# define AZOTEQ_IQS5XX_SWIPE_INITIAL_TIME 0x64 // 0x96
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#endif
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#ifndef AZOTEQ_IQS5XX_SWIPE_INITIAL_DISTANCE
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# define AZOTEQ_IQS5XX_SWIPE_INITIAL_DISTANCE 0x12C
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#endif
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#ifndef AZOTEQ_IQS5XX_SWIPE_CONSECUTIVE_TIME
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# define AZOTEQ_IQS5XX_SWIPE_CONSECUTIVE_TIME 0x0
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#endif
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#ifndef AZOTEQ_IQS5XX_SWIPE_CONSECUTIVE_DISTANCE
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# define AZOTEQ_IQS5XX_SWIPE_CONSECUTIVE_DISTANCE 0x7D0
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#endif
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#ifndef AZOTEQ_IQS5XX_SCROLL_INITIAL_DISTANCE
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# define AZOTEQ_IQS5XX_SCROLL_INITIAL_DISTANCE 0x32
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#endif
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#ifndef AZOTEQ_IQS5XX_ZOOM_INITIAL_DISTANCE
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# define AZOTEQ_IQS5XX_ZOOM_INITIAL_DISTANCE 0x32
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#endif
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#ifndef AZOTEQ_IQS5XX_ZOOM_CONSECUTIVE_DISTANCE
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# define AZOTEQ_IQS5XX_ZOOM_CONSECUTIVE_DISTANCE 0x19
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#endif
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#if defined(AZOTEQ_IQS5XX_TPS43)
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# define AZOTEQ_IQS5XX_WIDTH_MM 43
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# define AZOTEQ_IQS5XX_HEIGHT_MM 40
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# define AZOTEQ_IQS5XX_RESOLUTION_X 2048
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# define AZOTEQ_IQS5XX_RESOLUTION_Y 1792
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#elif defined(AZOTEQ_IQS5XX_TPS65)
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# define AZOTEQ_IQS5XX_WIDTH_MM 65
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# define AZOTEQ_IQS5XX_HEIGHT_MM 49
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# define AZOTEQ_IQS5XX_RESOLUTION_X 3072
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# define AZOTEQ_IQS5XX_RESOLUTION_Y 2048
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#elif !defined(AZOTEQ_IQS5XX_WIDTH_MM) && !defined(AZOTEQ_IQS5XX_HEIGHT_MM)
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# error "You must define one of the available azoteq trackpads or specify at least the width and height"
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#endif
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#define DIVIDE_UNSIGNED_ROUND(numerator, denominator) (((numerator) + ((denominator) / 2)) / (denominator))
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#define AZOTEQ_IQS5XX_INCH_TO_RESOLUTION_X(inch) (DIVIDE_UNSIGNED_ROUND((inch) * (uint32_t)AZOTEQ_IQS5XX_WIDTH_MM * 10, 254))
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#define AZOTEQ_IQS5XX_RESOLUTION_X_TO_INCH(px) (DIVIDE_UNSIGNED_ROUND((px) * (uint32_t)254, AZOTEQ_IQS5XX_WIDTH_MM * 10))
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#define AZOTEQ_IQS5XX_INCH_TO_RESOLUTION_Y(inch) (DIVIDE_UNSIGNED_ROUND((inch) * (uint32_t)AZOTEQ_IQS5XX_HEIGHT_MM * 10, 254))
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#define AZOTEQ_IQS5XX_RESOLUTION_Y_TO_INCH(px) (DIVIDE_UNSIGNED_ROUND((px) * (uint32_t)254, AZOTEQ_IQS5XX_HEIGHT_MM * 10))
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static uint16_t azoteq_iqs5xx_product_number = AZOTEQ_IQS5XX_UNKNOWN;
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static struct {
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uint16_t resolution_x;
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uint16_t resolution_y;
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} azoteq_iqs5xx_device_resolution_t;
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i2c_status_t azoteq_iqs5xx_wake(void) {
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uint8_t data = 0;
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i2c_status_t status = i2c_readReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_PREVIOUS_CYCLE_TIME, (uint8_t *)&data, sizeof(data), 1);
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i2c_stop();
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wait_us(150);
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return status;
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}
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i2c_status_t azoteq_iqs5xx_end_session(void) {
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const uint8_t END_BYTE = 1; // any data
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return i2c_writeReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_END_COMMS, &END_BYTE, 1, AZOTEQ_IQS5XX_TIMEOUT_MS);
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}
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i2c_status_t azoteq_iqs5xx_get_base_data(azoteq_iqs5xx_base_data_t *base_data) {
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i2c_status_t status = i2c_readReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_PREVIOUS_CYCLE_TIME, (uint8_t *)base_data, 10, AZOTEQ_IQS5XX_TIMEOUT_MS);
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if (status == I2C_STATUS_SUCCESS) {
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azoteq_iqs5xx_end_session();
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}
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return status;
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}
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i2c_status_t azoteq_iqs5xx_get_report_rate(azoteq_iqs5xx_report_rate_t *report_rate, azoteq_iqs5xx_charging_modes_t mode, bool end_session) {
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if (mode > AZOTEQ_IQS5XX_LP2) {
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pd_dprintf("IQS5XX - Invalid mode for get report rate.\n");
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return I2C_STATUS_ERROR;
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}
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uint16_t selected_reg = AZOTEQ_IQS5XX_REG_REPORT_RATE_ACTIVE + (2 * mode);
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i2c_status_t status = i2c_readReg16(AZOTEQ_IQS5XX_ADDRESS, selected_reg, (uint8_t *)report_rate, 2, AZOTEQ_IQS5XX_TIMEOUT_MS);
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if (end_session) {
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azoteq_iqs5xx_end_session();
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}
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return status;
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}
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i2c_status_t azoteq_iqs5xx_set_report_rate(uint16_t report_rate_ms, azoteq_iqs5xx_charging_modes_t mode, bool end_session) {
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if (mode > AZOTEQ_IQS5XX_LP2) {
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pd_dprintf("IQS5XX - Invalid mode for set report rate.\n");
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return I2C_STATUS_ERROR;
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}
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uint16_t selected_reg = AZOTEQ_IQS5XX_REG_REPORT_RATE_ACTIVE + (2 * mode);
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azoteq_iqs5xx_report_rate_t report_rate = {0};
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report_rate.h = (uint8_t)((report_rate_ms >> 8) & 0xFF);
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report_rate.l = (uint8_t)(report_rate_ms & 0xFF);
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i2c_status_t status = i2c_writeReg16(AZOTEQ_IQS5XX_ADDRESS, selected_reg, (uint8_t *)&report_rate, 2, AZOTEQ_IQS5XX_TIMEOUT_MS);
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if (end_session) {
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azoteq_iqs5xx_end_session();
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}
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return status;
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}
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i2c_status_t azoteq_iqs5xx_set_reati(bool enabled, bool end_session) {
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azoteq_iqs5xx_system_config_0_t config = {0};
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i2c_status_t status = i2c_readReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_SYSTEM_CONFIG_0, (uint8_t *)&config, sizeof(azoteq_iqs5xx_system_config_0_t), AZOTEQ_IQS5XX_TIMEOUT_MS);
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if (status == I2C_STATUS_SUCCESS) {
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config.reati = enabled;
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status = i2c_writeReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_SYSTEM_CONFIG_0, (uint8_t *)&config, sizeof(azoteq_iqs5xx_system_config_0_t), AZOTEQ_IQS5XX_TIMEOUT_MS);
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}
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if (end_session) {
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azoteq_iqs5xx_end_session();
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}
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return status;
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}
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i2c_status_t azoteq_iqs5xx_set_event_mode(bool enabled, bool end_session) {
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azoteq_iqs5xx_system_config_1_t config = {0};
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i2c_status_t status = i2c_readReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_SYSTEM_CONFIG_1, (uint8_t *)&config, sizeof(azoteq_iqs5xx_system_config_1_t), AZOTEQ_IQS5XX_TIMEOUT_MS);
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if (status == I2C_STATUS_SUCCESS) {
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config.event_mode = enabled;
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config.touch_event = true;
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config.tp_event = true;
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config.prox_event = false;
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config.snap_event = false;
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config.reati_event = false;
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config.alp_prox_event = false;
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config.gesture_event = true;
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status = i2c_writeReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_SYSTEM_CONFIG_1, (uint8_t *)&config, sizeof(azoteq_iqs5xx_system_config_1_t), AZOTEQ_IQS5XX_TIMEOUT_MS);
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}
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if (end_session) {
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azoteq_iqs5xx_end_session();
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}
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return status;
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}
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i2c_status_t azoteq_iqs5xx_set_gesture_config(bool end_session) {
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azoteq_iqs5xx_gesture_config_t config = {0};
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i2c_status_t status = i2c_readReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_SINGLE_FINGER_GESTURES, (uint8_t *)&config, sizeof(azoteq_iqs5xx_gesture_config_t), AZOTEQ_IQS5XX_TIMEOUT_MS);
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pd_dprintf("azo scroll: %d\n", config.multi_finger_gestures.scroll);
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if (status == I2C_STATUS_SUCCESS) {
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config.single_finger_gestures.single_tap = AZOTEQ_IQS5XX_TAP_ENABLE;
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config.single_finger_gestures.press_and_hold = AZOTEQ_IQS5XX_PRESS_AND_HOLD_ENABLE;
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config.single_finger_gestures.swipe_x_plus = AZOTEQ_IQS5XX_SWIPE_X_ENABLE;
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config.single_finger_gestures.swipe_x_minus = AZOTEQ_IQS5XX_SWIPE_X_ENABLE;
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config.single_finger_gestures.swipe_y_plus = AZOTEQ_IQS5XX_SWIPE_Y_ENABLE;
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config.single_finger_gestures.swipe_y_minus = AZOTEQ_IQS5XX_SWIPE_Y_ENABLE;
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config.multi_finger_gestures.two_finger_tap = AZOTEQ_IQS5XX_TWO_FINGER_TAP_ENABLE;
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config.multi_finger_gestures.scroll = AZOTEQ_IQS5XX_SCROLL_ENABLE;
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config.multi_finger_gestures.zoom = AZOTEQ_IQS5XX_ZOOM_ENABLE;
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config.tap_time = AZOTEQ_IQS5XX_SWAP_H_L_BYTES(AZOTEQ_IQS5XX_TAP_TIME);
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config.tap_distance = AZOTEQ_IQS5XX_SWAP_H_L_BYTES(AZOTEQ_IQS5XX_TAP_DISTANCE);
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config.hold_time = AZOTEQ_IQS5XX_SWAP_H_L_BYTES(AZOTEQ_IQS5XX_HOLD_TIME);
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config.swipe_initial_time = AZOTEQ_IQS5XX_SWAP_H_L_BYTES(AZOTEQ_IQS5XX_SWIPE_INITIAL_TIME);
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config.swipe_initial_distance = AZOTEQ_IQS5XX_SWAP_H_L_BYTES(AZOTEQ_IQS5XX_SWIPE_INITIAL_DISTANCE);
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config.swipe_consecutive_time = AZOTEQ_IQS5XX_SWAP_H_L_BYTES(AZOTEQ_IQS5XX_SWIPE_CONSECUTIVE_TIME);
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config.swipe_consecutive_distance = AZOTEQ_IQS5XX_SWAP_H_L_BYTES(AZOTEQ_IQS5XX_SWIPE_CONSECUTIVE_DISTANCE);
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config.scroll_initial_distance = AZOTEQ_IQS5XX_SWAP_H_L_BYTES(AZOTEQ_IQS5XX_SCROLL_INITIAL_DISTANCE);
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config.zoom_initial_distance = AZOTEQ_IQS5XX_SWAP_H_L_BYTES(AZOTEQ_IQS5XX_ZOOM_INITIAL_DISTANCE);
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config.zoom_consecutive_distance = AZOTEQ_IQS5XX_SWAP_H_L_BYTES(AZOTEQ_IQS5XX_ZOOM_CONSECUTIVE_DISTANCE);
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status = i2c_writeReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_SINGLE_FINGER_GESTURES, (uint8_t *)&config, sizeof(azoteq_iqs5xx_gesture_config_t), AZOTEQ_IQS5XX_TIMEOUT_MS);
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}
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if (end_session) {
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azoteq_iqs5xx_end_session();
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}
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return status;
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}
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i2c_status_t azoteq_iqs5xx_set_xy_config(bool flip_x, bool flip_y, bool switch_xy, bool palm_reject, bool end_session) {
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azoteq_iqs5xx_xy_config_0_t config = {0};
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i2c_status_t status = i2c_readReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_XY_CONFIG_0, (uint8_t *)&config, sizeof(azoteq_iqs5xx_xy_config_0_t), AZOTEQ_IQS5XX_TIMEOUT_MS);
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if (status == I2C_STATUS_SUCCESS) {
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if (flip_x) {
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config.flip_x = !config.flip_x;
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}
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if (flip_y) {
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config.flip_y = !config.flip_y;
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}
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if (switch_xy) {
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config.switch_xy_axis = !config.switch_xy_axis;
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}
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config.palm_reject = palm_reject;
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status = i2c_writeReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_XY_CONFIG_0, (uint8_t *)&config, sizeof(azoteq_iqs5xx_xy_config_0_t), AZOTEQ_IQS5XX_TIMEOUT_MS);
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}
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if (end_session) {
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azoteq_iqs5xx_end_session();
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}
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return status;
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}
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i2c_status_t azoteq_iqs5xx_reset_suspend(bool reset, bool suspend, bool end_session) {
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azoteq_iqs5xx_system_control_1_t config = {0};
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i2c_status_t status = i2c_readReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_SYSTEM_CONTROL_1, (uint8_t *)&config, sizeof(azoteq_iqs5xx_system_control_1_t), AZOTEQ_IQS5XX_TIMEOUT_MS);
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if (status == I2C_STATUS_SUCCESS) {
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config.reset = reset;
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config.suspend = suspend;
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status = i2c_writeReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_SYSTEM_CONTROL_1, (uint8_t *)&config, sizeof(azoteq_iqs5xx_system_control_1_t), AZOTEQ_IQS5XX_TIMEOUT_MS);
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}
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if (end_session) {
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azoteq_iqs5xx_end_session();
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}
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return status;
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}
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void azoteq_iqs5xx_set_cpi(uint16_t cpi) {
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if (azoteq_iqs5xx_product_number != AZOTEQ_IQS5XX_UNKNOWN) {
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azoteq_iqs5xx_resolution_t resolution = {0};
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resolution.x_resolution = AZOTEQ_IQS5XX_SWAP_H_L_BYTES(MIN(azoteq_iqs5xx_device_resolution_t.resolution_x, AZOTEQ_IQS5XX_INCH_TO_RESOLUTION_X(cpi)));
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resolution.y_resolution = AZOTEQ_IQS5XX_SWAP_H_L_BYTES(MIN(azoteq_iqs5xx_device_resolution_t.resolution_y, AZOTEQ_IQS5XX_INCH_TO_RESOLUTION_Y(cpi)));
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i2c_writeReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_X_RESOLUTION, (uint8_t *)&resolution, sizeof(azoteq_iqs5xx_resolution_t), AZOTEQ_IQS5XX_TIMEOUT_MS);
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}
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}
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uint16_t azoteq_iqs5xx_get_cpi(void) {
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if (azoteq_iqs5xx_product_number != AZOTEQ_IQS5XX_UNKNOWN) {
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azoteq_iqs5xx_resolution_t resolution = {0};
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i2c_status_t status = i2c_readReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_X_RESOLUTION, (uint8_t *)&resolution, sizeof(azoteq_iqs5xx_resolution_t), AZOTEQ_IQS5XX_TIMEOUT_MS);
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if (status == I2C_STATUS_SUCCESS) {
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return AZOTEQ_IQS5XX_RESOLUTION_X_TO_INCH(AZOTEQ_IQS5XX_SWAP_H_L_BYTES(resolution.x_resolution));
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}
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}
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return 0;
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}
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uint16_t azoteq_iqs5xx_get_product(void) {
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i2c_status_t status = i2c_readReg16(AZOTEQ_IQS5XX_ADDRESS, AZOTEQ_IQS5XX_REG_PRODUCT_NUMBER, (uint8_t *)&azoteq_iqs5xx_product_number, sizeof(uint16_t), AZOTEQ_IQS5XX_TIMEOUT_MS);
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if (status == I2C_STATUS_SUCCESS) {
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azoteq_iqs5xx_product_number = AZOTEQ_IQS5XX_SWAP_H_L_BYTES(azoteq_iqs5xx_product_number);
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}
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pd_dprintf("AZOTEQ: Product number %u\n", azoteq_iqs5xx_product_number);
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return azoteq_iqs5xx_product_number;
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}
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void azoteq_iqs5xx_setup_resolution(void) {
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#if !defined(AZOTEQ_IQS5XX_RESOLUTION_X) && !defined(AZOTEQ_IQS5XX_RESOLUTION_Y)
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switch (azoteq_iqs5xx_product_number) {
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case AZOTEQ_IQS550:
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azoteq_iqs5xx_device_resolution_t.resolution_x = 3584;
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azoteq_iqs5xx_device_resolution_t.resolution_y = 2304;
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break;
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case AZOTEQ_IQS572:
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azoteq_iqs5xx_device_resolution_t.resolution_x = 2048;
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azoteq_iqs5xx_device_resolution_t.resolution_y = 1792;
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break;
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case AZOTEQ_IQS525:
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azoteq_iqs5xx_device_resolution_t.resolution_x = 1280;
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azoteq_iqs5xx_device_resolution_t.resolution_y = 768;
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break;
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default:
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// shouldn't be here
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azoteq_iqs5xx_device_resolution_t.resolution_x = 0;
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azoteq_iqs5xx_device_resolution_t.resolution_y = 0;
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break;
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}
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#endif
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#ifdef AZOTEQ_IQS5XX_RESOLUTION_X
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azoteq_iqs5xx_device_resolution_t.resolution_x = AZOTEQ_IQS5XX_RESOLUTION_X;
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#endif
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#ifdef AZOTEQ_IQS5XX_RESOLUTION_Y
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azoteq_iqs5xx_device_resolution_t.resolution_y = AZOTEQ_IQS5XX_RESOLUTION_Y;
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#endif
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}
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