The loading of 0x00 into all locations is done by placing ("" a pair of double quotes) at the RHS side of the assignment (=) operator. MyData is an array which can hold only 10 items/members and all these locations initially contain 0x00 which is a NULL-byte. I'm mostly referring to everything under the loop(), as well as understanding what char myData = "" is? Is it to store the string before it is broken down? Thank you for this! Is it possible to explain line by line what this code does exactly? There's quite a bit I'm not familiar with here. The following codes may help you in decoding the information (motordirection, motorNumber, and numberPress) from the composite message. It is also assumed that the end of the said message string would be indicated by 'Newline' character to be set by the 'Line ending tab' of the Serial Monitor. NumberPress = that you will receive this code: M600 4 10 from the InputBox of the Serial Monitor of the Arduino IDE. If(x != 0x0A) //Newline character is not found '\n' If( n!=0) //character is recievd and it is in FIFOĬhar x = Serial.read() //read the arrived character If someone can please provide an example, it would really help me understand how this code is supposed to be that you will receive this code: M600 4 10 from the InputBox of the Serial Monitor of the Arduino IDE. I would like to not use those as mentioned in the first post and instead use spaces and "new line" to understand that a full command has been submitted. I saw example #5 in that tutorial, but it uses to identify beginning and end. Example #5 shows how to use strtok() to parse data from a string. The serial lnput basics tutorial may have information of interest. I can modify it, but it's easiest for me to learn by example. Mcodes would represent different switch cases or "mini-programs".Īs I am new to Arduino and programming in general, can I ask that someone provide an example code? Otherwise it's hard for me to wrap my head around how to write the code to do this. M400 3 16 (Turn on motor #3, in reverse and until 16 button presses) (M400 = "backward") M600 4 10 (Turn on motor #4 forward until 10 button presses) (M600 = "forward") I can choose which motor I want to activate and until how many X button presses. My goal is to have multiple DC motors and one push button.
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