I live in NZ too. Wellington.

I live in NZ too. Wellington.

Hi david,

What error are you getting, exactly? Any chance you can simplify the solution down a bit and we can try to help bug hunt here...?

Chris

Actually here's the problem! I own a netduino 2 and a st7565 negative GLCD. I'm now trying to run Fabien Royer's AdaFruit7565 test program. It says it won't work with 4.2 as it's written in 4.1. I went to Project Propeties>Application>Target>I changed it from 4.1 to 4.2. Now it has this "Rebooting error". As well as "an error has occured, please check your hardware."

I'm very much in a rush and I need some way to get my LCD Working.

Link:http://netduinohelpe...er:AdaFruit7565

Error on the public class with this AdaFruitSSD1306 thingy here...

using System;
using System.Threading;
using Microsoft.SPOT;
using Microsoft.SPOT.Hardware;

namespace netduino.helpers.Hardware {
    // Based on https://github.com/adafruit/ST7565-LCD
    public class AdaFruit7565 : AdaFruitSSD1306 {
        new public enum Command {
            DisplayOff = 0xAE,
            DisplayOn = 0xAF,
            DisplayStartLine = 0x40,
            PageAddress = 0xB0,
            ColumnAddressHigh = 0x10,
            ColumnAddressLow = 0x00,
            AdcSelectNormal = 0xA0, // X axis flip OFF
            AdcSelectReverse = 0xA1, // X axis flip ON
            DisplayVideoNormal = 0xA6,
            DisplayVideoReverse = 0xA7,
            AllPixelsOff = 0xA4,
            AllPixelsOn = 0xA5,
            LcdVoltageBias9 = 0xA2,
            LcdVoltageBias7 = 0xA3,
            EnterReadModifyWriteMode = 0xE0,
            ClearReadModifyWriteMode = 0xEE,
            ResetLcdModule = 0xE2,
            ShlSelectNormal = 0xC0, // Y axis flip OFF
            ShlSelectReverse = 0xC8, // Y axis flip ON
            PowerControl = 0x28,
            RegulatorResistorRatio = 0x20,
            ContrastRegister = 0x81,
            ContrastValue = 0x00,
            NoOperation = 0xE3
        }

        public AdaFruit7565(Cpu.Pin dc, Cpu.Pin reset, Cpu.Pin chipSelect, SPI.SPI_module spiModule = SPI.SPI_module.SPI1, uint speedKHz = 10000)
            : base(dc, reset, chipSelect, spiModule, speedKHz) {
        }

        public void Initialize() {
            resetPin.Write(false);
            Thread.Sleep(50);
            resetPin.Write(true);

            dcPin.Write(DisplayCommand);

            SendCommand((AdaFruitSSD1306.Command)AdaFruit7565.Command.LcdVoltageBias7);
            SendCommand((AdaFruitSSD1306.Command)AdaFruit7565.Command.AdcSelectNormal);
            SendCommand((AdaFruitSSD1306.Command)AdaFruit7565.Command.ShlSelectReverse);
            SendCommand((AdaFruitSSD1306.Command)((int)(AdaFruit7565.Command.DisplayStartLine) | 0x00));
            
            SendCommand((AdaFruitSSD1306.Command) ((int)(AdaFruit7565.Command.PowerControl) | 0x04)); // turn on voltage converter (VC=1, VR=0, VF=0)
            Thread.Sleep(50);
            SendCommand((AdaFruitSSD1306.Command)((int)(AdaFruit7565.Command.PowerControl) | 0x06)); // turn on voltage regulator (VC=1, VR=1, VF=0)
            Thread.Sleep(50);
            SendCommand((AdaFruitSSD1306.Command)((int)(AdaFruit7565.Command.PowerControl) | 0x07)); // turn on voltage follower (VC=1, VR=1, VF=1)
            Thread.Sleep(50);

            SendCommand((AdaFruitSSD1306.Command)((int)(AdaFruit7565.Command.RegulatorResistorRatio) | 0x06)); // set lcd operating voltage (regulator resistor, ref voltage resistor)

            SendCommand((AdaFruitSSD1306.Command)AdaFruit7565.Command.DisplayOn);
            SendCommand((AdaFruitSSD1306.Command)AdaFruit7565.Command.AllPixelsOff);
        }

        public const uint ContrastHigh = 34;
        public const uint ContrastMedium = 24;
        public const uint ContrastLow = 15;

        // 0-63
        public void SetContrast(uint contrast) {
            dcPin.Write(DisplayCommand);
            SendCommand((AdaFruitSSD1306.Command)AdaFruit7565.Command.ContrastRegister);
            SendCommand((AdaFruitSSD1306.Command)((int)(AdaFruit7565.Command.ContrastValue) | (contrast & 0x3f)));
        }

        new public void InvertDisplay(bool cmd) {
            dcPin.Write(DisplayCommand);
            if (cmd) {
                SendCommand((AdaFruitSSD1306.Command)AdaFruit7565.Command.DisplayVideoReverse);
            } else {
                SendCommand((AdaFruitSSD1306.Command)AdaFruit7565.Command.DisplayVideoNormal);
            }
        }

        public void PowerSaveMode() {
            dcPin.Write(DisplayCommand);
            SendCommand((AdaFruitSSD1306.Command)AdaFruit7565.Command.DisplayOff);
            SendCommand((AdaFruitSSD1306.Command)AdaFruit7565.Command.AllPixelsOn);
        }

        protected const int StartColumnOffset = 1;

        public override void Refresh() {
            for (int page = 0; page < 8; page++) {
                dcPin.Write(DisplayCommand);
                SendCommand((AdaFruitSSD1306.Command)((int)(AdaFruit7565.Command.PageAddress) | pageReference[page]));
                SendCommand((AdaFruitSSD1306.Command)((int)(AdaFruit7565.Command.ColumnAddressLow) | (StartColumnOffset & 0x0F)));
                SendCommand((AdaFruitSSD1306.Command)((int)(AdaFruit7565.Command.ColumnAddressHigh) | 0));
                SendCommand((AdaFruitSSD1306.Command)((int)(AdaFruit7565.Command.EnterReadModifyWriteMode)));
                dcPin.Write(Data);
                Array.Copy(displayBuffer, Width * page, pageBuffer, 0, pageSize);
                Spi.Write(pageBuffer);
            }
        }

        protected const int pageSize = 128;
        protected int[] pageReference = new int[] { 4, 5, 6, 7, 0, 1, 2, 3 };
        protected byte[] pageBuffer = new byte[pageSize];
    }
}

I reckon we need the following sketches:

ST7565

SSD1306

Other Adafruit tft's

joysticks

speakers

USB/PS2 keyboards.

E-paper displays

I posted a library for the SSD1306 some time ago ...

Make your own libraries often?

Hmm so it works by powering on a white backlight but nothing else happens.

I'm from Wellington

Right how do I do that?

Sorry, I'm 14 and this is my first project, real learning curb

BTW, I'm also from NZ

Cheers

https://onedrive.live.com/redir?resid=95EDA52E6601F7B0!18018&authkey=!ALH6P7svj1YQ3WA&ithint=folder%2c

Here's a like to my project I need help with. It's under sample>Adafruit7565 test>Adafruit75652(the file you want)

Please tell me what's wrong with it.

Use:

Netduino 2 with 4.2

Nope no bridge but at the mean time I'm focusing on the lcd pixels.

Ok I updated it on the onedrive link. It has no deployment errors. The problem is that the white backlight turns on but nothing happens from then on. I'm pretty darn sure I wired it up correctly. My soldering skills are beginner but everything looks connected vividly.

Ah yes, very well. I sent it into the Onedrive folder via my Windows Phone. Hope that's got what you'll need.

Juzzer's watch actually seems cool. I''d kickstart it.

Oh and Chris, I'd like you to try find some ways to make everything a single standard. I'm pulling my hair out getting a simple LCD to work from Fabien's NP1 to my N2. If there's a netduino 3, stick to chips that are VERY similar because I hate having to read schematics to find the correct SPI module.

I'm not going to lie, GHI has a much better community. Why?

1. Trained experts supporting new comers VERY well.
2. A very reliable Gadgeteer production.
3. Many members can show their custom made parts.
4. Their "Codeshare" is a brillient place for Drivers.
5. Though not as open source, good structure and gameplan.

I hope we can all learn from this.

Don't know if you know but this was one of the few things that turned Fabian off Secret Labs. He mentions you promised to create an Ethernet module for the GO. Also he doesn't like how the Agent watch is still not up for sale yet.

I respect you but I'm asking you to do your best to get him back. Fabian Royer is a genius and his contributions made to the .NET MF were priceless!

Cheers Chris!

Hi guys. No matter what version of netduino you have, could you make a video testing out a tuft display please?

I want to see the performance of 32 bit ATMEL and STM chips.

Thank you!

Why is there a limit? Is it the MCU?

If we have a N+3, I'd like to see built in HDMI with a driver chip for fast performance while keeping the code as native as possible.

This is amazing. The sad truth is it COULD stop me using netduino.

https://onedrive.live.com/redir?resid=95EDA52E6601F7B0!18018&authkey=!ALH6P7svj1YQ3WA&ithint=folder%2c

On my netduino 2 with 4.2 I've finally ported Fabien Royer's netduino helpers from 4.1 to 4.2 for my ST7565 lcd. VS deployed it successfully eventually. Nothing happens in the sample application but a white backlight. Is the driver corrupt on the newer gen netduino's?

Well I'm looking for help(still) with my GLCD and have had problems on the newer hardware and framework. Maybe I might give 4.3 a try but only if it has relieble universal support so I don't need to port code.

I'm using a N2. I am on 4.2 and ported everything and deleted most things I wouldn't use. It deploys good but only a white backlight comes on while nothing is shown on screen.

My display is also the negative rgb one.