test seeking in a file on mDot
Dependencies: libmDot mbed-rtos mbed
Diff: main.cpp
- Revision:
- 0:c5ab0dc979fc
- Child:
- 1:4d3a502a7e58
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Wed Aug 24 14:29:47 2016 +0000 @@ -0,0 +1,75 @@ +#include "mbed.h" +#include "mDot.h" +#include "MTSLog.h" +#include <vector> + +int main() +{ + mDot* dot; + std::vector<mDot::mdot_file> files; + mDot::mdot_file file; + const char filename[] = "test_file.txt"; + + // get a mDot handle + dot = mDot::getInstance(); + + // print library version information + logInfo("version: %s", dot->getId().c_str()); + + files = dot->listUserFiles(); + if (files.size() == 0) { + logInfo("no user files"); + } else { + logInfo("user files:"); + for (std::vector<mDot::mdot_file>::iterator it = files.begin(); it != files.end(); it++) { + printf("\t%s [%d]\r\n", it->name, it->size); + } + } + + logInfo("deleting user files"); + for (std::vector<mDot::mdot_file>::iterator it = files.begin(); it != files.end(); it++) { + dot->deleteUserFile(it->name); + } + + while (true) { + uint8_t buf[2048]; + + memset(buf, 0x3B, sizeof(buf)); + + file = dot->openUserFile(filename, mDot::FM_RDWR | mDot::FM_CREAT | mDot::FM_APPEND); + if (file.fd < 0) { + logError("failed to open file"); + break; + } else { + if (dot->writeUserFile(file, (void*)buf, sizeof(buf)) != sizeof(buf)) { + logError("didn't write entire buffer"); + break; + } + + dot->closeUserFile(file); + } + + + files = dot->listUserFiles(); + if (files.size() == 0) { + logInfo("no user files"); + } else { + logInfo("user files:"); + for (std::vector<mDot::mdot_file>::iterator it = files.begin(); it != files.end(); it++) { + printf("\t%s [%d]\r\n", it->name, it->size); + } + } + } + + files = dot->listUserFiles(); + if (files.size() == 0) { + logInfo("no user files"); + } else { + logInfo("user files:"); + for (std::vector<mDot::mdot_file>::iterator it = files.begin(); it != files.end(); it++) { + printf("\t%s [%d]\r\n", it->name, it->size); + } + } + + return 0; +}