This works so I want to write it down:
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#include <SoftwareSerial.h> SoftwareSerial xbee_serial(2, 3); #include <string.h> // we'll need this for subString #define MAX_STRING_LEN 20 // like 3 lines above, change as needed. int in_LED = 10; int out_LED = 11; int input = 2; int sendval; //serial stuff const char EOPmarker = '.'; //This is the end of packet marker char serialbuf[32]; //This gives the incoming serial some room. Change it if you want a longer incoming. void setup(){ pinMode(in_LED, OUTPUT); pinMode(out_LED, OUTPUT); pinMode(input, INPUT); Serial.begin(9600); xbee_serial.begin(9600); xbee_serial.print("0,0,0."); } void loop(){ if (xbee_serial.available() > 0) { static int bufpos = 0; char inchar = xbee_serial.read(); if (inchar != EOPmarker) { serialbuf[bufpos] = inchar; bufpos++; } else { serialbuf[bufpos] = 0; //restart the buff bufpos = 0; //restart the position of the buff Serial.println(atoi(subStr(serialbuf, "," , 1))); analogWrite(in_LED, atoi(subStr(serialbuf, "," , 1))); sendval = map(analogRead(input), 0, 1023, 0, 255); xbee_serial.print(sendval); // Value that it sends over the serial xbee_serial.print(","); xbee_serial.print("100"); //This second byte is for the purpose of the program, it is not being used. xbee_serial.print("."); //EOP marker analogWrite(out_LED , sendval); } } delay(10); } char* subStr (char* input_string, char *separator, int segment_number) { char *act, *sub, *ptr; static char copy[MAX_STRING_LEN]; int i; strcpy(copy, input_string); for (i = 1, act = copy; i <= segment_number; i++, act = NULL) { sub = strtok_r(act, separator, &ptr); if (sub == NULL) break; } return sub; } |