Zac Dannelly / Mbed 2 deprecated testGet

code for interface on mbed coordinator

Dependencies:   C12832_lcd mbed

main.cpp@0:a0bf1c99732b, 2015-06-12 (annotated)

Committer:
dannellyz
Date:
Fri Jun 12 14:58:34 2015 +0000
Revision:
0:a0bf1c99732b
code for interface on mbed coordinator;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dannellyz 0:a0bf1c99732b 1 // Example of parsing the serial string from the fullAppBaordSend
dannellyz 0:a0bf1c99732b 2 /* Code derived from the work of Joe Bradshaw:
dannellyz 0:a0bf1c99732b 3 http://developer.mbed.org/users/jebradshaw/ */
dannellyz 0:a0bf1c99732b 4 /******************Declaration of necessary libraries and objects************************/
dannellyz 0:a0bf1c99732b 5 #include "mbed.h"
dannellyz 0:a0bf1c99732b 6 #include "C12832_lcd.h" // Include for LCD code
dannellyz 0:a0bf1c99732b 7 /******************Declaration of necessary variables***********************************/
dannellyz 0:a0bf1c99732b 8 DigitalOut myled(LED1); //For LED
dannellyz 0:a0bf1c99732b 9 Serial pc(USBTX, USBRX); //tx, rx via USB connection
dannellyz 0:a0bf1c99732b 10 Serial xbee(p9, p10); //tx, rx via Xbee socket
dannellyz 0:a0bf1c99732b 11 C12832_LCD lcd; // Decalre LCD screen
dannellyz 0:a0bf1c99732b 12 LocalFileSystem local("local"); // Create the local filesystem under the name "local"
dannellyz 0:a0bf1c99732b 13 float totalTime = 0.0; //Total time used to calulate average wait time
dannellyz 0:a0bf1c99732b 14 float avgTime = 0.0; //Average time when error detected
dannellyz 0:a0bf1c99732b 15 int errors = 0; //Number of errors
dannellyz 0:a0bf1c99732b 16 int total = 0; //Total number of transmissisons
dannellyz 0:a0bf1c99732b 17 float pctErr = 0.0; //Percent of transmissions in error
dannellyz 0:a0bf1c99732b 18 void keepAverage(float newNum); //Prototype for funciton to make calculations
dannellyz 0:a0bf1c99732b 19
dannellyz 0:a0bf1c99732b 20 int main()
dannellyz 0:a0bf1c99732b 21 {
dannellyz 0:a0bf1c99732b 22 char abstr[25]; //used to store the whole app board string
dannellyz 0:a0bf1c99732b 23 int joystick; //int value correspponding to the joystick bus
dannellyz 0:a0bf1c99732b 24 float Lpot; //float correspionding to left potentiometer
dannellyz 0:a0bf1c99732b 25 float Rpot; //float correspionding to right potentiometer
dannellyz 0:a0bf1c99732b 26 int id;
dannellyz 0:a0bf1c99732b 27 pc.baud(9600); //crank up the PC baudrate (USB) to avoid latency between data acquisition
dannellyz 0:a0bf1c99732b 28 //xbee.baud(9600);
dannellyz 0:a0bf1c99732b 29 //Setup LCD screen
dannellyz 0:a0bf1c99732b 30 lcd.cls();
dannellyz 0:a0bf1c99732b 31 lcd.locate(0,1);
dannellyz 0:a0bf1c99732b 32 //Set up timers for transmission information
dannellyz 0:a0bf1c99732b 33 Timer t1;
dannellyz 0:a0bf1c99732b 34 Timer t2;
dannellyz 0:a0bf1c99732b 35 //Start timers
dannellyz 0:a0bf1c99732b 36 t1.start();
dannellyz 0:a0bf1c99732b 37 t2.start();
dannellyz 0:a0bf1c99732b 38 while(1) {
dannellyz 0:a0bf1c99732b 39 while(xbee.readable()) //clear out the remaining characters in the buffer
dannellyz 0:a0bf1c99732b 40 char c = xbee.getc();
dannellyz 0:a0bf1c99732b 41 //read the serial string from the xbee (starts with '$', ends with \r\n
dannellyz 0:a0bf1c99732b 42 xbee.scanf("$%s\r\n", &abstr);
dannellyz 0:a0bf1c99732b 43 //Verify that the string has the APPBOARD header
dannellyz 0:a0bf1c99732b 44 if(strncmp(abstr, "APPBOARD", 9)) {
dannellyz 0:a0bf1c99732b 45 //Verify the tring was able to be parsed
dannellyz 0:a0bf1c99732b 46 if (sscanf(abstr, "APPBOARD,%f,%f,%d,%d",&Lpot,&Rpot,&joystick,&id) >= 1) {
dannellyz 0:a0bf1c99732b 47 //Check which input the transmission came from an act accordingly
dannellyz 0:a0bf1c99732b 48 if (id==0) {
dannellyz 0:a0bf1c99732b 49 //Read time and report how long it has been since node was pooled
dannellyz 0:a0bf1c99732b 50 if(t2.read() > 1) {
dannellyz 0:a0bf1c99732b 51 //If time is more than 1 second consider it an error
dannellyz 0:a0bf1c99732b 52 //Run the analysis program
dannellyz 0:a0bf1c99732b 53 keepAverage(t2.read());
dannellyz 0:a0bf1c99732b 54 }
dannellyz 0:a0bf1c99732b 55 //Reset time
dannellyz 0:a0bf1c99732b 56 t2.reset();
dannellyz 0:a0bf1c99732b 57 //Print information to LCD screen
dannellyz 0:a0bf1c99732b 58 lcd.locate(0,1);
dannellyz 0:a0bf1c99732b 59 lcd.printf("M%d: L:%.02f R:%.02f J:%d %.02f\r\n",id,Lpot,Rpot,joystick,t1.read());
dannellyz 0:a0bf1c99732b 60 }
dannellyz 0:a0bf1c99732b 61 if (id==1) {
dannellyz 0:a0bf1c99732b 62 if(t1.read() > 1) {
dannellyz 0:a0bf1c99732b 63 keepAverage(t1.read());
dannellyz 0:a0bf1c99732b 64 }
dannellyz 0:a0bf1c99732b 65 t1.reset();
dannellyz 0:a0bf1c99732b 66 lcd.locate(0,14);
dannellyz 0:a0bf1c99732b 67 lcd.printf("M%d: L:%.02f R:%.02f J:%d %.02f\r\n",id,Lpot,Rpot,joystick,t2.read());
dannellyz 0:a0bf1c99732b 68 }
dannellyz 0:a0bf1c99732b 69 //Print values to screen
dannellyz 0:a0bf1c99732b 70 pc.printf("Mbed %d: L-%.02f:L R-%.02f Joystick:%d\r\n",id,Lpot,Rpot,joystick);
dannellyz 0:a0bf1c99732b 71 } else {
dannellyz 0:a0bf1c99732b 72 //Incorrect parse
dannellyz 0:a0bf1c99732b 73 pc.printf("BAD parse %s\r\n", abstr);
dannellyz 0:a0bf1c99732b 74 }
dannellyz 0:a0bf1c99732b 75 }
dannellyz 0:a0bf1c99732b 76 //Increment total
dannellyz 0:a0bf1c99732b 77 total+=1;
dannellyz 0:a0bf1c99732b 78 myled = !myled; //toggle LED for activity verification
dannellyz 0:a0bf1c99732b 79
dannellyz 0:a0bf1c99732b 80 }//while(1)
dannellyz 0:a0bf1c99732b 81 }//main
dannellyz 0:a0bf1c99732b 82
dannellyz 0:a0bf1c99732b 83 void keepAverage(float newNum)
dannellyz 0:a0bf1c99732b 84 {
dannellyz 0:a0bf1c99732b 85 Timer t3;
dannellyz 0:a0bf1c99732b 86 t3.start();
dannellyz 0:a0bf1c99732b 87 errors ++;
dannellyz 0:a0bf1c99732b 88 totalTime += newNum;
dannellyz 0:a0bf1c99732b 89 avgTime = totalTime/(float)errors;
dannellyz 0:a0bf1c99732b 90 pctErr = (float)errors/(float)total;
dannellyz 0:a0bf1c99732b 91 pc.printf("overNum:%f avgErrTime:%.04f totalErrs:%d totalOut:%d pctErr:%.02f\r\n", newNum,avgTime,errors,total,pctErr);
dannellyz 0:a0bf1c99732b 92 FILE *fp = fopen("/local/out.csv", "a"); // Open "out.txt" on the local file system for writing
dannellyz 0:a0bf1c99732b 93 fprintf(fp,"%f,%.04f,%d,%d,%.02f,%.02f\r\n", newNum,avgTime,errors,total,pctErr,t3.read());
dannellyz 0:a0bf1c99732b 94 fclose(fp);
dannellyz 0:a0bf1c99732b 95 }