the new engineer´s / Mbed 2 deprecated localFileSystem_interprater

File System mit einen Argument

Dependencies:   mbed

localFileSystem_interprater.cpp@0:6791a518728e, 2016-11-14 (annotated)

Committer:
schoeni_91
Date:
Mon Nov 14 17:07:21 2016 +0000
Revision:
0:6791a518728e
File System mit einen Argument

Who changed what in which revision?

UserRevisionLine numberNew contents of line
schoeni_91 0:6791a518728e 1 #include "mbed.h"
schoeni_91 0:6791a518728e 2 #include "parser.h"
schoeni_91 0:6791a518728e 3
schoeni_91 0:6791a518728e 4 #define LOCAL_FS "fs"
schoeni_91 0:6791a518728e 5 #define INTERP_FILE "/fs/STR1.txt"
schoeni_91 0:6791a518728e 6 #define NORM_FILE "/fs/interp1a.txt"
schoeni_91 0:6791a518728e 7
schoeni_91 0:6791a518728e 8 // global vars/objects
schoeni_91 0:6791a518728e 9 const string keywords[] = {"a-nix", "LEDS", "WAIT", "REPEAT", "GOTO", "END", "NOP","TONE" ,"z-nix"};
schoeni_91 0:6791a518728e 10 int validKeyWords;
schoeni_91 0:6791a518728e 11 uint8_t statusExecute;
schoeni_91 0:6791a518728e 12 BusOut myLeds(LED1, LED2, LED3, LED4);
schoeni_91 0:6791a518728e 13 LocalFileSystem fs(LOCAL_FS);
schoeni_91 0:6791a518728e 14 PwmOut speaker(p26);
schoeni_91 0:6791a518728e 15
schoeni_91 0:6791a518728e 16 uint8_t executeComLine(int16_t command[], uint16_t *lNo)
schoeni_91 0:6791a518728e 17 {
schoeni_91 0:6791a518728e 18 static int16_t repeatCounter = 0;
schoeni_91 0:6791a518728e 19 uint8_t retVal = 0;
schoeni_91 0:6791a518728e 20 printf("line %d: %s %d\r\n", *lNo, keywords[command[0]].c_str(), command[1]);
schoeni_91 0:6791a518728e 21 switch (command[0]) {
schoeni_91 0:6791a518728e 22 case 1: // LEDS
schoeni_91 0:6791a518728e 23 if (command[1] < UNVALID_ARG)
schoeni_91 0:6791a518728e 24 retVal = ERROR_DEF;
schoeni_91 0:6791a518728e 25 else
schoeni_91 0:6791a518728e 26 myLeds = command[1];
schoeni_91 0:6791a518728e 27 break;
schoeni_91 0:6791a518728e 28 case 2: // WAIT
schoeni_91 0:6791a518728e 29 if (command[1] <= 0)
schoeni_91 0:6791a518728e 30 command[1] = 1234;
schoeni_91 0:6791a518728e 31 wait_ms(command[1]);
schoeni_91 0:6791a518728e 32 break;
schoeni_91 0:6791a518728e 33 case 3: // REPEAT
schoeni_91 0:6791a518728e 34 if (++repeatCounter < command[1])
schoeni_91 0:6791a518728e 35 retVal = REPEAT_DEF;
schoeni_91 0:6791a518728e 36 break;
schoeni_91 0:6791a518728e 37 case 4: // GOTO line
schoeni_91 0:6791a518728e 38 if (command[1] < UNVALID_ARG)
schoeni_91 0:6791a518728e 39 retVal = ERROR_DEF;
schoeni_91 0:6791a518728e 40 else {
schoeni_91 0:6791a518728e 41 *lNo = command[1];
schoeni_91 0:6791a518728e 42 retVal = GOTO_DEF;
schoeni_91 0:6791a518728e 43 }
schoeni_91 0:6791a518728e 44 break;
schoeni_91 0:6791a518728e 45 case 5: // END
schoeni_91 0:6791a518728e 46 repeatCounter = 0; break;
schoeni_91 0:6791a518728e 47
schoeni_91 0:6791a518728e 48 case 6: //NOP
schoeni_91 0:6791a518728e 49 break;
schoeni_91 0:6791a518728e 50
schoeni_91 0:6791a518728e 51 case 7: // TONE
schoeni_91 0:6791a518728e 52
schoeni_91 0:6791a518728e 53 speaker.period(1.0/(float)command[1]);
schoeni_91 0:6791a518728e 54 speaker= 0.5;
schoeni_91 0:6791a518728e 55 wait(1);
schoeni_91 0:6791a518728e 56 speaker= 0.0;
schoeni_91 0:6791a518728e 57 wait(1);
schoeni_91 0:6791a518728e 58 break;
schoeni_91 0:6791a518728e 59 default:
schoeni_91 0:6791a518728e 60 printf("no valid command: %d = %s ... ERROR\r\n\r\n", command[0], keywords[command[0]].c_str());
schoeni_91 0:6791a518728e 61 retVal = ERROR_DEF;
schoeni_91 0:6791a518728e 62 break;
schoeni_91 0:6791a518728e 63 }
schoeni_91 0:6791a518728e 64 return retVal;
schoeni_91 0:6791a518728e 65 }
schoeni_91 0:6791a518728e 66
schoeni_91 0:6791a518728e 67 int main()
schoeni_91 0:6791a518728e 68 {
schoeni_91 0:6791a518728e 69 char myArr [100];
schoeni_91 0:6791a518728e 70 char* myStr;
schoeni_91 0:6791a518728e 71 string argLine;
schoeni_91 0:6791a518728e 72 int16_t comArray[4];
schoeni_91 0:6791a518728e 73 uint16_t lineNo = 0, lineCnt;
schoeni_91 0:6791a518728e 74 FILE *fp2rw;
schoeni_91 0:6791a518728e 75 FILE *fp2read = fopen(INTERP_FILE,"r");
schoeni_91 0:6791a518728e 76
schoeni_91 0:6791a518728e 77 fp2rw = fopen(NORM_FILE, "w"); // file name is LIMITED to 8 chars!!!
schoeni_91 0:6791a518728e 78 validKeyWords = sizeof(keywords)/sizeof(*keywords) -2;
schoeni_91 0:6791a518728e 79 printf("0) validKeyWords = %i\r\n", validKeyWords);
schoeni_91 0:6791a518728e 80
schoeni_91 0:6791a518728e 81 if (fp2read != NULL) {
schoeni_91 0:6791a518728e 82 while (fgets(myArr, sizeof myArr, fp2read) != NULL) {
schoeni_91 0:6791a518728e 83 myStr = normalizeStr(myArr);
schoeni_91 0:6791a518728e 84 // printf("a) myStr = <%s>\r\n", myStr);
schoeni_91 0:6791a518728e 85 if (myStr[0] != 0)
schoeni_91 0:6791a518728e 86 fprintf(fp2rw, "%s\r\n", myStr);
schoeni_91 0:6791a518728e 87 }
schoeni_91 0:6791a518728e 88 fclose(fp2rw);
schoeni_91 0:6791a518728e 89 fp2rw = fopen(NORM_FILE, "r"); // because "w+" and "r+" don't work
schoeni_91 0:6791a518728e 90 // printf("\r\nb) -- interpretation of Commands --\r\n\r\n");
schoeni_91 0:6791a518728e 91 while (fgets(myArr, sizeof myArr, fp2rw) != NULL) { // while 1
schoeni_91 0:6791a518728e 92 // printf("c) --> myArr = %s", myArr);
schoeni_91 0:6791a518728e 93 argLine.assign(myArr);
schoeni_91 0:6791a518728e 94 lineNo++; // count lines
schoeni_91 0:6791a518728e 95 if (parseLine(argLine, comArray)) { // parse the command line in normalized file interp1a.txt
schoeni_91 0:6791a518728e 96 statusExecute = executeComLine(comArray, &lineNo); // interpret the command line using the prepared command array
schoeni_91 0:6791a518728e 97 if (statusExecute == REPEAT_DEF) {
schoeni_91 0:6791a518728e 98 rewind(fp2rw); // do rewind if keyword is REPEAT
schoeni_91 0:6791a518728e 99 lineNo=0;
schoeni_91 0:6791a518728e 100 }
schoeni_91 0:6791a518728e 101 else if (statusExecute == GOTO_DEF) {
schoeni_91 0:6791a518728e 102 rewind(fp2rw);
schoeni_91 0:6791a518728e 103 lineCnt = 0; // start with line 1
schoeni_91 0:6791a518728e 104 lineNo--;
schoeni_91 0:6791a518728e 105 while (fgets(myArr, sizeof myArr, fp2rw) != NULL) { // while 2
schoeni_91 0:6791a518728e 106 lineCnt++;
schoeni_91 0:6791a518728e 107 if (lineCnt>=lineNo)
schoeni_91 0:6791a518728e 108 break; // break while 2; line found --> continue
schoeni_91 0:6791a518728e 109 }
schoeni_91 0:6791a518728e 110 }
schoeni_91 0:6791a518728e 111 else if (statusExecute == ERROR_DEF) {
schoeni_91 0:6791a518728e 112 printf("--> ERROR_DEF (%d) occurred in line = %d\r\n", statusExecute, lineNo);
schoeni_91 0:6791a518728e 113 break; // break while 1; stop executing
schoeni_91 0:6791a518728e 114 }
schoeni_91 0:6791a518728e 115 }
schoeni_91 0:6791a518728e 116 else {
schoeni_91 0:6791a518728e 117 printf("Interpreter Error in file interp1a.txt; line = %d: %s\r\n", lineNo, myArr);
schoeni_91 0:6791a518728e 118 }
schoeni_91 0:6791a518728e 119 }
schoeni_91 0:6791a518728e 120 } else
schoeni_91 0:6791a518728e 121 printf("Error opening file to read: %s\r\n", INTERP_FILE);
schoeni_91 0:6791a518728e 122
schoeni_91 0:6791a518728e 123 fclose(fp2read);
schoeni_91 0:6791a518728e 124 fclose(fp2rw);
schoeni_91 0:6791a518728e 125 myLeds = 0x0A;
schoeni_91 0:6791a518728e 126 while(1); // endless loop; use reset to start programm again
schoeni_91 0:6791a518728e 127 }