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// 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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|
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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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|
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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: |
|
|
|
azoteq_iqs5xx_device_resolution_t.resolution_x = 3584; |
|
|
|
azoteq_iqs5xx_device_resolution_t.resolution_y = 2304; |
|
|
|
break; |
|
|
|
case AZOTEQ_IQS572: |
|
|
|
azoteq_iqs5xx_device_resolution_t.resolution_x = 2048; |
|
|
|
azoteq_iqs5xx_device_resolution_t.resolution_y = 1792; |
|
|
|
break; |
|
|
|
case AZOTEQ_IQS525: |
|
|
|
azoteq_iqs5xx_device_resolution_t.resolution_x = 1280; |
|
|
|
azoteq_iqs5xx_device_resolution_t.resolution_y = 768; |
|
|
|
break; |
|
|
|
default: |
|
|
|
// shouldn't be here |
|
|
|
azoteq_iqs5xx_device_resolution_t.resolution_x = 0; |
|
|
|
azoteq_iqs5xx_device_resolution_t.resolution_y = 0; |
|
|
|
break; |
|
|
|
} |
|
|
|
#endif |
|
|
|
#ifdef AZOTEQ_IQS5XX_RESOLUTION_X |
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|
|
azoteq_iqs5xx_device_resolution_t.resolution_x = AZOTEQ_IQS5XX_RESOLUTION_X; |
|
|
|
#endif |
|
|
|
#ifdef AZOTEQ_IQS5XX_RESOLUTION_Y |
|
|
|
azoteq_iqs5xx_device_resolution_t.resolution_y = AZOTEQ_IQS5XX_RESOLUTION_Y; |
|
|
|
#endif |
|
|
|
} |