This is my first project on Hackster.io and it is designed for those who are in need to connect the Grove Serial Camera to a Mediatek Labs Linkit ONE. Although the official SeeedStudio wiki says it's not compatible, it does work properly. I didn't had the time to play with it longer, but I'll show here what I have achieved in my first experiment with it.
Open SerialCam.ino in your preferred Arduino editor (Arduino IDE or Visual Studio/Visual Micro) and flash it to the board. This code is based on the Arduino example available here, with a few modifications to make it work on Linkit ONE. Here they are:
- The original code uses the SoftwareSerial implementation, which is not available on the Linkit ONE, but this board does have a second serial (called Serial1), that is what we are using instead.
- Linkit ONE access to storage (SD or internal) is made with its own specific libraries;
- Storage CS pin (to SD or internal) is 10, instead of 4.
Here we will be using the internal storage, but you can use a SD card by commenting this line:
#define SD LFlash // use Internal 10M Flash
And uncommenting this one:
//#define SD LSD // use SD card
Note that you'll need a Class10 SD Card to use with Linkit ONE (I tried several non-Class10 and it doesn't recognize them).
After flashing the code, open the Serial Monitor and press the pushbutton (or ground PIN4) to take a picture. Note that it can take several seconds to take the picture (you'll see the red light on your camera), I haven't had the time to improve the transfer speed (if anyone can figure it out, leave in the comments, please!). After taking the shot, turn off Linkit ONE and change the switch from UART to MS (mass storage) and plug it again. You'll be seeing the internal storage just like a USB thumbdrive and in there should be your taken shots. Have fun!
Please, leave a comment if you have any issues or suggestions!