Mike Fiore / Mbed 2 deprecated mDot_file_seek

test seeking in a file on mDot

Dependencies:   libmDot mbed-rtos mbed

main.cpp@0:c5ab0dc979fc, 2016-08-24 (annotated)

Committer:
mfiore
Date:
Wed Aug 24 14:29:47 2016 +0000
Revision:
0:c5ab0dc979fc
Child:
1:4d3a502a7e58
initial commit - keep appending to a single file to test maximum file size in the filesystem

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mfiore 0:c5ab0dc979fc 1 #include "mbed.h"
mfiore 0:c5ab0dc979fc 2 #include "mDot.h"
mfiore 0:c5ab0dc979fc 3 #include "MTSLog.h"
mfiore 0:c5ab0dc979fc 4 #include <vector>
mfiore 0:c5ab0dc979fc 5
mfiore 0:c5ab0dc979fc 6 int main()
mfiore 0:c5ab0dc979fc 7 {
mfiore 0:c5ab0dc979fc 8 mDot* dot;
mfiore 0:c5ab0dc979fc 9 std::vector<mDot::mdot_file> files;
mfiore 0:c5ab0dc979fc 10 mDot::mdot_file file;
mfiore 0:c5ab0dc979fc 11 const char filename[] = "test_file.txt";
mfiore 0:c5ab0dc979fc 12
mfiore 0:c5ab0dc979fc 13 // get a mDot handle
mfiore 0:c5ab0dc979fc 14 dot = mDot::getInstance();
mfiore 0:c5ab0dc979fc 15
mfiore 0:c5ab0dc979fc 16 // print library version information
mfiore 0:c5ab0dc979fc 17 logInfo("version: %s", dot->getId().c_str());
mfiore 0:c5ab0dc979fc 18
mfiore 0:c5ab0dc979fc 19 files = dot->listUserFiles();
mfiore 0:c5ab0dc979fc 20 if (files.size() == 0) {
mfiore 0:c5ab0dc979fc 21 logInfo("no user files");
mfiore 0:c5ab0dc979fc 22 } else {
mfiore 0:c5ab0dc979fc 23 logInfo("user files:");
mfiore 0:c5ab0dc979fc 24 for (std::vector<mDot::mdot_file>::iterator it = files.begin(); it != files.end(); it++) {
mfiore 0:c5ab0dc979fc 25 printf("\t%s [%d]\r\n", it->name, it->size);
mfiore 0:c5ab0dc979fc 26 }
mfiore 0:c5ab0dc979fc 27 }
mfiore 0:c5ab0dc979fc 28
mfiore 0:c5ab0dc979fc 29 logInfo("deleting user files");
mfiore 0:c5ab0dc979fc 30 for (std::vector<mDot::mdot_file>::iterator it = files.begin(); it != files.end(); it++) {
mfiore 0:c5ab0dc979fc 31 dot->deleteUserFile(it->name);
mfiore 0:c5ab0dc979fc 32 }
mfiore 0:c5ab0dc979fc 33
mfiore 0:c5ab0dc979fc 34 while (true) {
mfiore 0:c5ab0dc979fc 35 uint8_t buf[2048];
mfiore 0:c5ab0dc979fc 36
mfiore 0:c5ab0dc979fc 37 memset(buf, 0x3B, sizeof(buf));
mfiore 0:c5ab0dc979fc 38
mfiore 0:c5ab0dc979fc 39 file = dot->openUserFile(filename, mDot::FM_RDWR | mDot::FM_CREAT | mDot::FM_APPEND);
mfiore 0:c5ab0dc979fc 40 if (file.fd < 0) {
mfiore 0:c5ab0dc979fc 41 logError("failed to open file");
mfiore 0:c5ab0dc979fc 42 break;
mfiore 0:c5ab0dc979fc 43 } else {
mfiore 0:c5ab0dc979fc 44 if (dot->writeUserFile(file, (void*)buf, sizeof(buf)) != sizeof(buf)) {
mfiore 0:c5ab0dc979fc 45 logError("didn't write entire buffer");
mfiore 0:c5ab0dc979fc 46 break;
mfiore 0:c5ab0dc979fc 47 }
mfiore 0:c5ab0dc979fc 48
mfiore 0:c5ab0dc979fc 49 dot->closeUserFile(file);
mfiore 0:c5ab0dc979fc 50 }
mfiore 0:c5ab0dc979fc 51
mfiore 0:c5ab0dc979fc 52
mfiore 0:c5ab0dc979fc 53 files = dot->listUserFiles();
mfiore 0:c5ab0dc979fc 54 if (files.size() == 0) {
mfiore 0:c5ab0dc979fc 55 logInfo("no user files");
mfiore 0:c5ab0dc979fc 56 } else {
mfiore 0:c5ab0dc979fc 57 logInfo("user files:");
mfiore 0:c5ab0dc979fc 58 for (std::vector<mDot::mdot_file>::iterator it = files.begin(); it != files.end(); it++) {
mfiore 0:c5ab0dc979fc 59 printf("\t%s [%d]\r\n", it->name, it->size);
mfiore 0:c5ab0dc979fc 60 }
mfiore 0:c5ab0dc979fc 61 }
mfiore 0:c5ab0dc979fc 62 }
mfiore 0:c5ab0dc979fc 63
mfiore 0:c5ab0dc979fc 64 files = dot->listUserFiles();
mfiore 0:c5ab0dc979fc 65 if (files.size() == 0) {
mfiore 0:c5ab0dc979fc 66 logInfo("no user files");
mfiore 0:c5ab0dc979fc 67 } else {
mfiore 0:c5ab0dc979fc 68 logInfo("user files:");
mfiore 0:c5ab0dc979fc 69 for (std::vector<mDot::mdot_file>::iterator it = files.begin(); it != files.end(); it++) {
mfiore 0:c5ab0dc979fc 70 printf("\t%s [%d]\r\n", it->name, it->size);
mfiore 0:c5ab0dc979fc 71 }
mfiore 0:c5ab0dc979fc 72 }
mfiore 0:c5ab0dc979fc 73
mfiore 0:c5ab0dc979fc 74 return 0;
mfiore 0:c5ab0dc979fc 75 }