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What is the "Capacitive touch sensor" and the "LCD interface"
Posted: Tue Aug 30, 2016 1:02 pm
by JustNopIt
I read that the ESP-32 will have a "Capacitive touch sensor" and an "LCD interaface". What exactly is meant by that?
Could I solder an old cellphone touch screen directly to it, without SPI or i2c?
Re: What is the "Capacitive touch sensor" and the "LCD interface"
Posted: Tue Aug 30, 2016 8:18 pm
by WiFive
Touch sensor is for buttons like you see on a microwave keypad. LCD interface could be through SPI or maybe HS1 8-bit interface.
Re: What is the "Capacitive touch sensor" and the "LCD interface"
Posted: Wed Aug 31, 2016 3:43 am
by ESP_Sprite
WiiFive is right about the capacitive touch screen display. The LCD interface is basically an 8, 16 or 24-bit parallel interface connected to DMA that makes it very fast to upload data to parrallel LCDs or other peripherals. (It's actually part of one of the I2S ports.)
Re: What is the "Capacitive touch sensor" and the "LCD interface"
Posted: Wed Aug 31, 2016 6:40 am
by WiFive
ESP_Sprite wrote:(It's actually part of one of the I2S ports.)
Ah, look forward to reading about that soon in an update to the technical reference manual.
http://opencores.org/project,i2s_to_parallel