Surasak Nasuriwong / FileManager

File manager

Dependencies:   SDFileSystem

Dependents:   RwSDCard_Xml_GPS

FileManager.cpp@0:a27e0d3581d1, 2016-05-10 (annotated)

Committer:
nsrwsurasak
Date:
Tue May 10 06:35:01 2016 +0000
Revision:
0:a27e0d3581d1
Child:
1:1f1f2b99756b
FileManager

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nsrwsurasak 0:a27e0d3581d1 1 #include "FileManager.h"
nsrwsurasak 0:a27e0d3581d1 2 #include "SDFileSystem.h"
nsrwsurasak 0:a27e0d3581d1 3
nsrwsurasak 0:a27e0d3581d1 4 char m_GpsInterval[XMLTEXT_SIZE];
nsrwsurasak 0:a27e0d3581d1 5 char m_DataInterval[XMLTEXT_SIZE];
nsrwsurasak 0:a27e0d3581d1 6 Variable_Data_TypeDef m_varList[MAX_VAR];
nsrwsurasak 0:a27e0d3581d1 7 unsigned int m_amountVarList;
nsrwsurasak 0:a27e0d3581d1 8
nsrwsurasak 0:a27e0d3581d1 9 static void removeSpaces(char* s , int size);
nsrwsurasak 0:a27e0d3581d1 10 static void getXmlText(char *str, char *ret);
nsrwsurasak 0:a27e0d3581d1 11
nsrwsurasak 0:a27e0d3581d1 12
nsrwsurasak 0:a27e0d3581d1 13 static void removeSpaces(char* s , int size)
nsrwsurasak 0:a27e0d3581d1 14 {
nsrwsurasak 0:a27e0d3581d1 15 char* cpy = s; // an alias to iterate through s without moving s
nsrwsurasak 0:a27e0d3581d1 16 char* temp = s;
nsrwsurasak 0:a27e0d3581d1 17
nsrwsurasak 0:a27e0d3581d1 18 for (int i = 0 ; i < size ; i++) {
nsrwsurasak 0:a27e0d3581d1 19 if (*cpy != ' ')
nsrwsurasak 0:a27e0d3581d1 20 *temp++ = *cpy;
nsrwsurasak 0:a27e0d3581d1 21 cpy++;
nsrwsurasak 0:a27e0d3581d1 22 }
nsrwsurasak 0:a27e0d3581d1 23 *temp = 0;
nsrwsurasak 0:a27e0d3581d1 24 return;
nsrwsurasak 0:a27e0d3581d1 25 }
nsrwsurasak 0:a27e0d3581d1 26 static void getXmlText(char *str, char *ret)
nsrwsurasak 0:a27e0d3581d1 27 {
nsrwsurasak 0:a27e0d3581d1 28 int size = strlen(str);
nsrwsurasak 0:a27e0d3581d1 29 int i;
nsrwsurasak 0:a27e0d3581d1 30 bool begin_text = false;
nsrwsurasak 0:a27e0d3581d1 31 char * ret_addr = ret;
nsrwsurasak 0:a27e0d3581d1 32 memset (ret,' ',XMLTEXT_SIZE);
nsrwsurasak 0:a27e0d3581d1 33
nsrwsurasak 0:a27e0d3581d1 34 for(i = 0; i < size ; i++) {
nsrwsurasak 0:a27e0d3581d1 35
nsrwsurasak 0:a27e0d3581d1 36 if (*str == '>') {
nsrwsurasak 0:a27e0d3581d1 37 begin_text = true;
nsrwsurasak 0:a27e0d3581d1 38 } else if (begin_text && *str == '<') {
nsrwsurasak 0:a27e0d3581d1 39 begin_text = false;
nsrwsurasak 0:a27e0d3581d1 40 break;
nsrwsurasak 0:a27e0d3581d1 41 } else if (begin_text && *str != ' ') {
nsrwsurasak 0:a27e0d3581d1 42 *ret = *str;
nsrwsurasak 0:a27e0d3581d1 43 ret++;
nsrwsurasak 0:a27e0d3581d1 44 }
nsrwsurasak 0:a27e0d3581d1 45
nsrwsurasak 0:a27e0d3581d1 46 str++;
nsrwsurasak 0:a27e0d3581d1 47 }
nsrwsurasak 0:a27e0d3581d1 48 removeSpaces(ret_addr, XMLTEXT_SIZE);
nsrwsurasak 0:a27e0d3581d1 49 }
nsrwsurasak 0:a27e0d3581d1 50 void readSetupFile()
nsrwsurasak 0:a27e0d3581d1 51 {
nsrwsurasak 0:a27e0d3581d1 52 // now open file for reading
nsrwsurasak 0:a27e0d3581d1 53 FILE *fp = fopen(SETUP_FILE_NAME, "r");
nsrwsurasak 0:a27e0d3581d1 54
nsrwsurasak 0:a27e0d3581d1 55 if (fp == NULL) { // if it can't open the file then print error message
nsrwsurasak 0:a27e0d3581d1 56 printf("\nError! Unable to open file! %s \n", SETUP_FILE_NAME);
nsrwsurasak 0:a27e0d3581d1 57 } else { // opened file so can write
nsrwsurasak 0:a27e0d3581d1 58 // fscanf(fp, "%d",&stored_top_score); // ensure data type matches - note address operator (&)
nsrwsurasak 0:a27e0d3581d1 59 // serial.printf("Read %d from file.\n",stored_top_score);
nsrwsurasak 0:a27e0d3581d1 60
nsrwsurasak 0:a27e0d3581d1 61 ReadingFileState state = STATE_FINDING;
nsrwsurasak 0:a27e0d3581d1 62 char buf[1024];
nsrwsurasak 0:a27e0d3581d1 63 while (fgets(buf, sizeof(buf), fp) != NULL) {
nsrwsurasak 0:a27e0d3581d1 64 if (strstr (buf,DATA_TAG)) {
nsrwsurasak 0:a27e0d3581d1 65 state = STATE_FOUND_DATA;
nsrwsurasak 0:a27e0d3581d1 66 } else if (strstr (buf,GPS_TAG)) {
nsrwsurasak 0:a27e0d3581d1 67 state = STATE_FOUND_GPS;
nsrwsurasak 0:a27e0d3581d1 68 } else if (strstr (buf,UPDATE_INTERVAL_TAG)) {
nsrwsurasak 0:a27e0d3581d1 69 if (state == STATE_FOUND_GPS) {
nsrwsurasak 0:a27e0d3581d1 70 getXmlText(buf, m_GpsInterval);
nsrwsurasak 0:a27e0d3581d1 71 printf("\r\n-found GPS interval %s ", m_GpsInterval);
nsrwsurasak 0:a27e0d3581d1 72 state = STATE_FINDING;
nsrwsurasak 0:a27e0d3581d1 73 } else if(state == STATE_FOUND_DATA) {
nsrwsurasak 0:a27e0d3581d1 74 getXmlText(buf, m_DataInterval);
nsrwsurasak 0:a27e0d3581d1 75 printf("\r\n-found Data interval %s ", m_DataInterval);
nsrwsurasak 0:a27e0d3581d1 76 state = STATE_FINDING;
nsrwsurasak 0:a27e0d3581d1 77 }
nsrwsurasak 0:a27e0d3581d1 78 }
nsrwsurasak 0:a27e0d3581d1 79 }
nsrwsurasak 0:a27e0d3581d1 80 fclose(fp); // ensure you close the file after reading
nsrwsurasak 0:a27e0d3581d1 81 }
nsrwsurasak 0:a27e0d3581d1 82 }
nsrwsurasak 0:a27e0d3581d1 83 void logGPSData(char date[], char time[])
nsrwsurasak 0:a27e0d3581d1 84 {
nsrwsurasak 0:a27e0d3581d1 85 FILE *fp = fopen(GPS_LOG_FILE_NAME, "a");
nsrwsurasak 0:a27e0d3581d1 86
nsrwsurasak 0:a27e0d3581d1 87 if (fp == NULL) { // if it can't open the file then print error message
nsrwsurasak 0:a27e0d3581d1 88 printf("Error! Unable to open file!\n");
nsrwsurasak 0:a27e0d3581d1 89 } else { // opened file so can write
nsrwsurasak 0:a27e0d3581d1 90 printf("\r\n Writing to Gps Log File....");
nsrwsurasak 0:a27e0d3581d1 91
nsrwsurasak 0:a27e0d3581d1 92 fprintf(fp, "%s,%s\n",date,time); // print formatted string to file (CSV)
nsrwsurasak 0:a27e0d3581d1 93
nsrwsurasak 0:a27e0d3581d1 94 printf("Done");
nsrwsurasak 0:a27e0d3581d1 95 fclose(fp); // ensure you close the file after writing
nsrwsurasak 0:a27e0d3581d1 96 }
nsrwsurasak 0:a27e0d3581d1 97 }
nsrwsurasak 0:a27e0d3581d1 98 void logSystemData(float gps_interval)
nsrwsurasak 0:a27e0d3581d1 99 {
nsrwsurasak 0:a27e0d3581d1 100 FILE *fp = fopen(MINIRMS_LOG_FILE_NAME, "a");
nsrwsurasak 0:a27e0d3581d1 101
nsrwsurasak 0:a27e0d3581d1 102
nsrwsurasak 0:a27e0d3581d1 103 if (fp == NULL) { // if it can't open the file then print error message
nsrwsurasak 0:a27e0d3581d1 104 printf("Error! Unable to open file!\n");
nsrwsurasak 0:a27e0d3581d1 105 } else { // opened file so can write
nsrwsurasak 0:a27e0d3581d1 106 fprintf(fp, "Start Mini-RMS System with Gps Interval = %f",gps_interval); // ensure data type matches
nsrwsurasak 0:a27e0d3581d1 107 fclose(fp); // ensure you close the file after writing
nsrwsurasak 0:a27e0d3581d1 108 }
nsrwsurasak 0:a27e0d3581d1 109 }
nsrwsurasak 0:a27e0d3581d1 110 void delete_file(char filename[])
nsrwsurasak 0:a27e0d3581d1 111 {
nsrwsurasak 0:a27e0d3581d1 112 printf("Deleting file '%s'...",filename);
nsrwsurasak 0:a27e0d3581d1 113 FILE *fp = fopen(filename, "r"); // try and open file
nsrwsurasak 0:a27e0d3581d1 114 if (fp != NULL) { // if it does open...
nsrwsurasak 0:a27e0d3581d1 115 fclose(fp); // close it
nsrwsurasak 0:a27e0d3581d1 116 remove(filename); // and then delete
nsrwsurasak 0:a27e0d3581d1 117 printf("Done!\n");
nsrwsurasak 0:a27e0d3581d1 118 }
nsrwsurasak 0:a27e0d3581d1 119 // if we can't open it, it doesn't exist and so we can't delete it
nsrwsurasak 0:a27e0d3581d1 120 }
nsrwsurasak 0:a27e0d3581d1 121 int GPSInterval()
nsrwsurasak 0:a27e0d3581d1 122 {
nsrwsurasak 0:a27e0d3581d1 123 //Return whether or not CRC is enabled
nsrwsurasak 0:a27e0d3581d1 124 return atoi( m_GpsInterval );
nsrwsurasak 0:a27e0d3581d1 125 }
nsrwsurasak 0:a27e0d3581d1 126 int DataInterval()
nsrwsurasak 0:a27e0d3581d1 127 {
nsrwsurasak 0:a27e0d3581d1 128 //Return whether or not CRC is enabled
nsrwsurasak 0:a27e0d3581d1 129 return atoi( m_DataInterval );
nsrwsurasak 0:a27e0d3581d1 130 }
nsrwsurasak 0:a27e0d3581d1 131
nsrwsurasak 0:a27e0d3581d1 132 Variable_Data_TypeDef * readVarFile()
nsrwsurasak 0:a27e0d3581d1 133 {
nsrwsurasak 0:a27e0d3581d1 134 // now open file for reading
nsrwsurasak 0:a27e0d3581d1 135 FILE *fp = fopen(VARIABLE_FILE_NAME, "r");
nsrwsurasak 0:a27e0d3581d1 136
nsrwsurasak 0:a27e0d3581d1 137 if (fp == NULL) { // if it can't open the file then print error message
nsrwsurasak 0:a27e0d3581d1 138 printf("\nError! Unable to open file! %s \n", VARIABLE_FILE_NAME);
nsrwsurasak 0:a27e0d3581d1 139 return NULL;
nsrwsurasak 0:a27e0d3581d1 140 } else { // opened file so can write
nsrwsurasak 0:a27e0d3581d1 141
nsrwsurasak 0:a27e0d3581d1 142 char buf[1024];
nsrwsurasak 0:a27e0d3581d1 143 int index = 0;
nsrwsurasak 0:a27e0d3581d1 144 memset(m_varList, ' ', sizeof(m_varList));
nsrwsurasak 0:a27e0d3581d1 145 while (fgets(buf, sizeof(buf), fp) != NULL) {
nsrwsurasak 0:a27e0d3581d1 146 if (strstr (buf,VAR_NAME_TAG)) {
nsrwsurasak 0:a27e0d3581d1 147 getXmlText(buf , m_varList[index].varName);
nsrwsurasak 0:a27e0d3581d1 148
nsrwsurasak 0:a27e0d3581d1 149 } else if (strstr (buf,VAR_ADDR_TAG)) {
nsrwsurasak 0:a27e0d3581d1 150 getXmlText(buf , m_varList[index].varAddress);
nsrwsurasak 0:a27e0d3581d1 151 index++;
nsrwsurasak 0:a27e0d3581d1 152 }
nsrwsurasak 0:a27e0d3581d1 153
nsrwsurasak 0:a27e0d3581d1 154 }
nsrwsurasak 0:a27e0d3581d1 155 fclose(fp); // ensure you close the file after reading
nsrwsurasak 0:a27e0d3581d1 156 m_amountVarList = index;
nsrwsurasak 0:a27e0d3581d1 157 return m_varList;
nsrwsurasak 0:a27e0d3581d1 158 }
nsrwsurasak 0:a27e0d3581d1 159 }
nsrwsurasak 0:a27e0d3581d1 160 int getAmountVarList()
nsrwsurasak 0:a27e0d3581d1 161 {
nsrwsurasak 0:a27e0d3581d1 162 return m_amountVarList;
nsrwsurasak 0:a27e0d3581d1 163 }
nsrwsurasak 0:a27e0d3581d1 164 Variable_Data_TypeDef * getVarList()
nsrwsurasak 0:a27e0d3581d1 165 {
nsrwsurasak 0:a27e0d3581d1 166 return m_varList;
nsrwsurasak 0:a27e0d3581d1 167 }
nsrwsurasak 0:a27e0d3581d1 168
nsrwsurasak 0:a27e0d3581d1 169