LVGL Test App calls read() repeatedly on #PineDio Stack's Touch Panel Driver to get Touch Data ... But it should call poll() instead to block on Touch Data 🤔
But for Touch Up Events the Touch Coordinates are invalid ... Our #PineDio Stack driver patches the Touch Coordinates with the data from the last Touch Down Event
#PineDio Stack's CST816S Touch Panel seems elusive ... Thanks to PineTime we know everything now!
https://lupyuen.github.io/articles/touch?2#cst816s-touch-panel
What's inside a #NuttX Touchscreen Driver
https://lupyuen.github.io/articles/touch?4#nuttx-touchscreen-drivers
Tapping the screen on #PineDio Stack #BL604 ... Correctly triggers a GPIO Interrupt on #NuttX RTOS! 🎉
https://github.com/lupyuen/cst816s-nuttx#test-gpio-interrupt