Update README.md

NVS parameter for ILI9341
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Mum-Pf
2021-04-02 20:18:39 +02:00
parent b98a481858
commit a13afd76c9

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@@ -172,7 +172,7 @@ Ground -------------------------- coax signal ground
The NVS parameter "display_config" sets the parameters for an optional display. Syntax is
```
I2C,width=<pixels>,height=<pixels>[address=<i2c_address>][,reset=<gpio>][,HFlip][,VFlip][driver=SSD1306|SSD1326[:1|4]|SSD1327|SH1106]
SPI,width=<pixels>,height=<pixels>,cs=<gpio>[,back=<gpio>][,reset=<gpio>][,speed=<speed>][,HFlip][,VFlip][driver=SSD1306|SSD1322|SSD1326[:1|4]|SSD1327|SH1106|SSD1675|ST7735|ST7789[,rotate]]
SPI,width=<pixels>,height=<pixels>,cs=<gpio>[,back=<gpio>][,reset=<gpio>][,speed=<speed>][,HFlip][,VFlip][driver=SSD1306|SSD1322|SSD1326[:1|4]|SSD1327|SH1106|SSD1675|ST7735|ST7789|ILI9341[:16|18][,rotate]]
```
- back: a LED backlight used by some older devices (ST7735). It is PWM controlled for brightness
- reset: some display have a reset pin that is should normally be pulled up if unused