From c8daa602ef531cc1c7bd4200df9c5a94b7aae3af Mon Sep 17 00:00:00 2001 From: Peter Hinch Date: Wed, 4 May 2022 10:04:54 +0100 Subject: [PATCH] Revert "DRIVERS.md Add notes on Waveshare Pico Res Touch." --- DRIVERS.md | 32 ++------------------------------ 1 file changed, 2 insertions(+), 30 deletions(-) diff --git a/DRIVERS.md b/DRIVERS.md index 5968733..c251967 100644 --- a/DRIVERS.md +++ b/DRIVERS.md @@ -35,8 +35,7 @@ access via the `Writer` and `CWriter` classes is documented 3.2 [Drivers for ILI9341](./DRIVERS.md#32-drivers-for-ili9341) Large TFTs 3.3 [Drivers for ST7789](./DRIVERS.md#33-drivers-for-st7789) Small high density TFTs      3.3.1 [TTGO T Display](./DRIVERS.md#331-ttgo-t-display) Low cost ESP32 with integrated display -      3.3.2 [Waveshare Pico ResTouch LCD 2.8](./DRIVERS.md#332-waveshare-Pico-restouch-lcd) 2.8" display for Pico -      3.3.3 [Troubleshooting](./DRIVERS.md#332-troubleshooting) +      3.3.2 [Troubleshooting](./DRIVERS.md#332-troubleshooting) 4. [Drivers for sharp displays](./DRIVERS.md#4-drivers-for-sharp-displays) Large low power monochrome displays 4.1 [Display characteristics](./DRIVERS.md#41-display-characteristics)      4.1.1 [The VCOM bit](./DRIVERS.md#411-the-vcom-bit) @@ -519,34 +518,7 @@ URL's. More in `st7789_ttgo.py` [Another MicroPython driver](https://github.com/jikegong/TTGO-Esp32-ST7789-Display-MicroPython/blob/2ed1816c41f25c8993038c35ef40b2efeb225dcc/st7789.py) [Factory test (C)](https://github.com/Xinyuan-LilyGO/TTGO-T-Display/blob/master/TFT_eSPI/examples/FactoryTest/FactoryTest.ino) -### 3.3.2 Waveshare Pico ResTouch LCD - -This 2.8" display for the Raspberry RP2 Pico has been tested by user -[TimWermer](https://github.com/TimWermer), see this -[GitHub thread](https://github.com/peterhinch/micropython-nano-gui/discussions/31). -The display may be found [here](https://www.waveshare.com/Pico-ResTouch-LCD-2.8.htm). -Neither `nanogui` or `microgui` support touch functionality. - -Tim Werner used a modified device driver. For the standard driver -`color_setup.py` for `nanogui` should read as follows: -```python -from machine import Pin, SPI -import gc -from drivers.st7789.st7789_4bit import * -SSD = ST7789 - -pdc = Pin(8, Pin.OUT, value=0) -pcs = Pin(9, Pin.OUT, value=1) -prst = Pin(15, Pin.OUT, value=1) -pbl = Pin(13, Pin.OUT, value=1) # Backlight - -gc.collect() # Precaution before instantiating framebuf -# Conservative low baudrate. Can go to 62.5MHz. Depending on wiring. -spi = SPI(1, 30_000_000, sck=Pin(10), mosi=Pin(11), miso=Pin(12)) -ssd = SSD(spi, dc=pdc, cs=pcs, rst=prst, height=320, width=240, display=GENERIC) -``` - -### 3.3.3 Troubleshooting +### 3.3.2 Troubleshooting If your display shows garbage, check the following (I have seen both): * SPI baudrate too high for your physical layout.