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Hi there, first of all sorry but I am a greenhorn in programming a µController :-/ I set myself a new goal that I program a tiny tool to measurer timings of a self made shutter electronic for a camera. For this I would like to send a String by pushing button1 at my MSP430G2553 LaunchPad. The string should be sending via USB connection to PC and again to another USB Port. The hardware at the end of the second USB Port will drive a solenoid. The primary purpose is to measure the delay between sending at the LaunchPad and receiving the driver signal of the solenoid driver. The problem is, I have no idea how does the communication is possible :-/ At this days I understand how some ENERGIA examples does work and I can program some parts by my own. Possibilities of communication is totally new for me. Please could someone give me some tips on how to solve that ? I am grateful for all information.
I am building a control system (TM4C129/123) that generates many data. These data are sent back to a higher level controller (Raspberry Pi) through ZigBee. Now, instead of TI always sending the data, I want to change the system so that when Raspberry Pi request data, only then TI sends data. So that means storing those data until the data request come. The data can be lost after the power off. How do I do that? I understand there is a limit to how long we can store the data depending on the size of the data.