Hi there,
Yes it’s the LIB not the logic, It works if you have the edits made on them.
GL 
PJ
btw if you just want to test if it works, I tried this and it works somewhat.
/*
MIT License
Copyright (c) 2021 Felix Biego
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include <CST816S.h>
CST816S touch(6, 7, -1, 20); // sda, scl, rst, irq
void setup() {
Serial.begin(115200);
touch.begin();
Serial.print(touch.data.version);
Serial.print("\t");
Serial.print(touch.data.versionInfo[0]);
Serial.print("-");
Serial.print(touch.data.versionInfo[1]);
Serial.print("-");
Serial.println(touch.data.versionInfo[2]);
}
void loop() {
if (touch.available()) {
Serial.print(touch.gesture());
Serial.print("\t");
Serial.print(touch.data.points);
Serial.print("\t");
Serial.print(touch.data.event);
Serial.print("\t");
Serial.print(touch.data.x);
Serial.print("\t");
Serial.println(touch.data.y);
}
}
serial port output some data
ESP-ROM:esp32c3-api1-20210207
Build:Feb 7 2021
rst:0x15 (USB_UART_CHIP_RESET),boot:0x8 (SPI_FAST_FLASH_BOOT)
Saved PC:0x40053b60
SPIWP:0xee
mode:DIO, clock div:1
load:0x3fcd5810,len:0x438
load:0x403cc710,len:0x91c
load:0x403ce710,len:0x25b0
entry 0x403cc710
E (84) gpio: gpio_set_level(226): GPIO output gpio_num error
E (134) gpio: gpio_set_level(226): GPIO output gpio_num error
E (139) gpio: gpio_set_level(226): GPIO output gpio_num error
0 0-0-0
NONE 0 3 2367 1056
UNKNOWN 32 0 0 0
UNKNOWN 25 0 0 2335
NONE 0 0 0 0
NONE 0 0 0 48
