st7789: make it possible to configure gamma

tinygo-org / drivers

TinyGo drivers for sensors, displays, wireless adaptors, and other devices that use I2C, SPI, GPIO, ADC, and UART interfaces.

https://tinygo.org

BSD 3-Clause "New" or "Revised" License

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st7789: make it possible to configure gamma #541

Closed aykevl closed 1 year ago

aykevl commented 1 year ago

Some displays need other values than the default to look right. Therefore, add a configuration option to set the gamma table for a particular LCD panel.

conejoninja commented 1 year ago

thanks!! merging...