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CC3200-LAUNCHXL: CC3200-launchxl camera interface

JJ Smith
Prodigy 70 points
Part Number: CC3200-LAUNCHXL
Other Parts Discussed in Thread: CC3200

I am attempting to use the parallel camera interface module on a CC3200-LAUNCHXL. It appears that it will not function without some board modification. In particular, I need I2C to configure the image sensor registers. However, the only SDA capable pin with external pull-ups on the board is pin 2 which is also the only pin the external camera clock can operate on. I can add a pull-up to some other pin that is capable of being configured as SDA, but I would rather not have to alter the board if I can help it.

Is there some way to use the parallel camera interface on the CC3200-LAUNCHXL that I am missing?

If not, is there another Wi-Fi SoC board that is capable of interfacing to an image sensor (I don't really have to use a CC3200. I just need a Wi-Fi SoC)?

  • 0
    Prodigy 70 points

    I just realized I can remove the sensor I2C isolation jumpers and connect the sensor side of the bus (where the pull-ups are) to another two pins. It isn't ideal, of course, so I would still like to know if there is a solution I can use without having to do things like this.

    Edit: It looks like the only pins that are configurable as I2C SDA are either needed by the camera interface or needed by JTAG. So the only way I can get this board to interface with an image sensor is if I don't use JTAG, which will obviously make debugging kind of difficult.

    Am I missing something, or is there no way to interface with an image sensor and use JTAG at the same time?

  • +1 in reply to JJ Smith
    Prodigy 70 points

    I'll just answer my own question in case anyone else runs into this:

    I removed J2, J3, J10, and J11. Set the SOP jumper for SWD and configured CCS for SWD in target configuration. Then I reconfigured pins 16 and 17 as I2C, and used jumper wires between the VCC sides of J2 and J3 and the I2C pins. I seem to have some issue with my I2C configuration when I try to use pins 16 and 17, but it looks like it will work once I figure that out.