By SD card working as stated in the title, I actually meant that it has only successfully established a connection to the SD card, and is far from being able to write to or read from the SD card. The connection is verified by sending a reset command to the SD Read more…
This week I continued my attempt to establish a connection with the SD card. The first thing I did was to check the connection in the existing, and I found one of the pins was connected incorrectly, which is SDI2. The only option I found was to route it to pin Read more…
After successfully integrating the FPGA code with ethernet and USB serial, I proceeded to create a test firmware to establish and verify a connection with a micro SD card. The first thing to note about this project is that the SD card is connected to the PIC32 through the FPGA, Read more…
The FPGA project has been succesfully integrated into the current project containing the usbcdc and ethernet. Now the test firmware has working ethernet, usb serial port, and also successfully configures the FPGA. My attempt at integrating the FPGA project with the other two did not work initially, with the result Read more…
This week I started by trying to modify the FPGA code so that it would transfer in chunks of data rather than all in one go. Turns out a lot of the codes are not needed so Dr Shawn rewrote everything into less than 10 lines, this time using the Read more…
The FPGA is now configurable using the pic32mz. The cause of the problem was identified as being the clock to the FPGA not being set, and also the ucf file declared an unconnected pin, J13 as the clock pin. The problem was solved by enabling REFCLKOx in the Harmony Configurator, System Read more…
Started the week by checking some of the keyboard code to find out what is wrong. I found that the device driver for the keyboard seem to be working ok, just the key sending part. The code seems to be for a keyboard with a 6 key rollover, which lets Read more…
This week I restructured the code for the usb keyboard, the aim is to modify as little as possible from the original demo code, so that there is a clear separation of my code from the one provided by microchip in its demo code and also reduces the amount of code that Read more…
This week I proceeded to test the firmware created by the previous interns. The first thing I needed to do was replicate their result. One thing I realised from this is not to remove the board support package in the harmony configurator, as it turns out to be important in the Read more…
Started the week by continuing on with implementing a hid keyboard on the pic32. While doing this I encountered two major problems, one is that the keyboard refuses to output two of the same characters consecutively, the other problem was when I tried going through the character array starting from Read more…