main.cpp

00001 #include "mbed.h"
00002 #include "mDot.h"
00003 #include "MTSLog.h"
00004 #include <vector>
00005 
00006 Serial pc(USBTX, USBRX);
00007 
00008 int main()
00009 {
00010     mDot* dot;
00011     std::vector<mDot::mdot_file> files;
00012     mDot::mdot_file file;
00013     const char filename[] = "test_file.txt";
00014     uint8_t buf[1024];
00015     
00016     pc.baud(115200);
00017 
00018     // get a mDot handle
00019     dot = mDot::getInstance();
00020     dot->resetConfig();
00021     dot->saveConfig();
00022     
00023     mts::MTSLog::setLogLevel(mts::MTSLog::INFO_LEVEL);
00024 
00025     // print library version information
00026     logInfo("version: %s", dot->getId().c_str());
00027 
00028     logInfo("deleting user files");
00029     files = dot->listUserFiles();
00030     for (std::vector<mDot::mdot_file>::iterator it = files.begin(); it != files.end(); it++) {
00031         printf("\tdeleting %s [%d]\r\n", it->name, it->size);
00032         dot->deleteUserFile(it->name);
00033     }
00034 
00035     memset(buf, 0x3B, sizeof(buf));
00036 
00037     logInfo("creating 1kB file of 0x3B");
00038     file = dot->openUserFile(filename, mDot::FM_RDWR | mDot::FM_CREAT | mDot::FM_APPEND);
00039     if (file.fd < 0) {
00040         logError("failed to open file");
00041     } else {
00042         if (dot->writeUserFile(file, (void*)buf, sizeof(buf)) != sizeof(buf)) {
00043             logError("didn't write entire buffer");
00044         }
00045 
00046         dot->closeUserFile(file);
00047     }
00048 
00049     for (int i = 0; i < 10; i++) {
00050         uint8_t buf[8];
00051         uint32_t loc;
00052         
00053         memset(buf, 0xA2, sizeof(buf));
00054         
00055         file = dot->openUserFile(filename, mDot::FM_RDWR);
00056         if (file.fd < 0) {
00057             logError("failed to open file");
00058             break;
00059         } else {
00060             loc = (uint32_t)(rand() % (file.size - sizeof(buf)));
00061             logInfo("seeking to 0x%04X", loc);
00062             if (! dot->seekUserFile(file, loc, SEEK_SET)) {
00063                 logError("seek failed");
00064                 break;
00065             }
00066             logInfo("writing %d '0xA2' bytes to 0x%04X", sizeof(buf), loc); 
00067             if (dot->writeUserFile(file, (void*)buf, sizeof(buf)) != sizeof(buf)) {
00068                 logError("didn't write entire buffer");
00069                 break;
00070             }
00071 
00072             dot->closeUserFile(file);
00073         }
00074     }
00075     
00076     file = dot->openUserFile(filename, mDot::FM_RDONLY);
00077     if (file.fd < 0) {
00078         logError("failed to open file");
00079     } else {
00080         uint8_t buf[16];
00081         uint32_t read = 0;
00082         uint32_t ret = 0;
00083 
00084         logInfo("file data:");
00085         while (read < file.size) {
00086             ret = dot->readUserFile(file, (void*)buf, sizeof(buf));
00087             if (ret > 0) {
00088                 printf("0x%04X\t", read);
00089                 for (int i = 0; i < ret; i++) {
00090                     printf("%02X ", buf[i]);
00091                 }
00092                 printf("\r\n");
00093                 read += ret;
00094             } else {
00095                 logError("error reading file");
00096                 break;
00097             }
00098         }
00099 
00100         dot->closeUserFile(file);
00101     }
00102 
00103     return 0;
00104 }