idigi_callback_status_t iDigiFileSystem::app_process_file_opendir(idigi_file_path_request_t * const request_data,
idigi_file_open_response_t * const response_data)
{
idigi_callback_status_t status = idigi_callback_continue;
SdFile *dir = new SdFile;
if (dir == NULL)
{
response_data->error->error_status = idigi_file_out_of_memory;
}
*dir = DigiSD.open(request_data->path);
if (!dir->isOpen() || !dir->isDir())
{
response_data->error->error_status = idigi_file_path_not_found;
return status;
}
dir->rewind();
response_data->handle = dir;
APP_DEBUG("opendir for %s returned %p\n", request_data->path, (void *) dir);
return status;
}
/**
* Get a long pretty path based on a DOS 8.3 path
*/
void CardReader::printLongPath(char *path) {
lsAction = LS_GetFilename;
int i, pathLen = strlen(path);
// SERIAL_ECHOPGM("Full Path: "); SERIAL_ECHOLN(path);
// Zero out slashes to make segments
for (i = 0; i < pathLen; i++) if (path[i] == '/') path[i] = '\0';
SdFile diveDir = root; // start from the root for segment 1
for (i = 0; i < pathLen;) {
if (path[i] == '\0') i++; // move past a single nul
char *segment = &path[i]; // The segment after most slashes
// If a segment is empty (extra-slash) then exit
if (!*segment) break;
// Go to the next segment
while (path[++i]) { }
// SERIAL_ECHOPGM("Looking for segment: "); SERIAL_ECHOLN(segment);
// Find the item, setting the long filename
diveDir.rewind();
lsDive("", diveDir, segment);
// Print /LongNamePart to serial output
SERIAL_PROTOCOLCHAR('/');
SERIAL_PROTOCOL(longFilename[0] ? longFilename : "???");
// If the filename was printed then that's it
if (!filenameIsDir) break;
// SERIAL_ECHOPGM("Opening dir: "); SERIAL_ECHOLN(segment);
// Open the sub-item as the new dive parent
SdFile dir;
if (!dir.open(diveDir, segment, O_READ)) {
SERIAL_EOL;
SERIAL_ECHO_START;
SERIAL_ECHOPGM(MSG_SD_CANT_OPEN_SUBDIR);
SERIAL_ECHO(segment);
break;
}
diveDir.close();
diveDir = dir;
} // while i<pathLen
SERIAL_EOL;
}
void loop() {
uint32_t t;
double r;
Serial.println("Type any character to start");
while (!Serial.available()) SPARK_WLAN_Loop();
while (Serial.available()) Serial.read();
// open or create file - truncate existing file.
if (!file.open(&root, "BENCH.DAT", O_CREAT | O_TRUNC | O_RDWR)) {
error("open failed");
}
// fill buf with known data
for (uint16_t i = 0; i < (BUF_SIZE-2); i++) {
buf[i] = 'A' + (i % 26);
}
buf[BUF_SIZE-2] = '\r';
buf[BUF_SIZE-1] = '\n';
Serial.print("File size ");
Serial.print(FILE_SIZE_MB);
Serial.println(" MB");
uint32_t n = FILE_SIZE/sizeof(buf);
Serial.println("Starting write test. Please wait up to a minute");
// do write test
t = millis();
for (uint32_t i = 0; i < n; i++) {
if (file.write(buf, sizeof(buf)) != sizeof(buf)) {
error("write failed");
}
}
t = millis() - t;
file.sync();
r = (double)file.fileSize()/t;
Serial.print("Write ");
Serial.print(r);
Serial.println(" kB/sec");
Serial.println();
Serial.println("Starting read test. Please wait up to a minute");
// do read test
file.rewind();
t = millis();
for (uint32_t i = 0; i < n; i++) {
if (file.read(buf, sizeof(buf)) != sizeof(buf)) {
error("read failed");
}
}
t = millis() - t;
r = (double)file.fileSize()/t;
Serial.print("Read ");
Serial.print(r);
Serial.println(" kB/sec");
Serial.println("Done");
file.close();
}
void ListFiles(Client client, uint8_t flags) {
// This code is just copied from SdFile.cpp in the SDFat library
// and tweaked to print to the client output in html!
dir_t p;
root.rewind();
while (root.readDir(p) > 0) {
// done if past last used entry
if (p.name[0] == DIR_NAME_FREE) break;
// skip deleted entry and entries for . and ..
if (p.name[0] == DIR_NAME_DELETED || p.name[0] == '.') continue;
// only list subdirectories and files
if (!DIR_IS_FILE_OR_SUBDIR(&p)) continue;
// print file name with possible blank fill
//root.printDirName(*p, flags & (LS_DATE | LS_SIZE) ? 14 : 0);
for (uint8_t i = 0; i < 11; i++) {
if (p.name[i] == ' ') continue;
if (i == 8) {
client.print('.');
}
client.print(p.name[i]);
}
if (DIR_IS_SUBDIR(&p)) {
client.print('/');
}
// print modify date/time if requested
if (flags & LS_DATE) {
root.printFatDate(p.lastWriteDate);
client.print(' ');
root.printFatTime(p.lastWriteTime);
}
// print size if requested
if (!DIR_IS_SUBDIR(&p) && (flags & LS_SIZE)) {
client.print(' ');
client.print(p.fileSize);
}
client.println("<br>");
}
}
void setup() {
Serial.begin(BPS_115200);
PgmPrintln("Type any character to start");
while (!Serial.available());
// PgmPrint("Free RAM: ");
/// Serial.println(FreeRam());
// initialize the SD card at SPI_FULL_SPEED for best performance.
// try SPI_HALF_SPEED if bus errors occur.
if (!card.init(SPI_FULL_SPEED)) error("card.init failed");
// initialize a FAT volume
if (!volume.init(&card)) error("volume.init failed!");
PgmPrint("Type is FAT");
Serial.println(volume.fatType(), DEC);
if (!root.openRoot(&volume)) error("openRoot failed");
// open or create file - truncate existing file.
if (!file.open(&root, "BENCH.DAT", O_CREAT | O_TRUNC | O_RDWR)) {
error("open failed");
}
// fill buf with known data
for (uint16_t i = 0; i < (BUF_SIZE-2); i++) {
buf[i] = 'A' + (i % 26);
}
buf[BUF_SIZE-2] = '\r';
buf[BUF_SIZE-1] = '\n';
PgmPrint("File size ");
Serial.print(FILE_SIZE_MB);
PgmPrintln(" MB");
PgmPrintln("Starting write test. Please wait up to a minute");
// do write test
uint32_t n = FILE_SIZE/sizeof(buf);
uint32_t t = millis();
for (uint32_t i = 0; i < n; i++) {
if (file.write(buf, sizeof(buf)) != sizeof(buf)) {
error("write failed");
}
}
t = millis() - t;
file.sync();
double r = (double)file.fileSize()/t;
PgmPrint("Write ");
Serial.print(r);
PgmPrintln(" KB/sec");
Serial.println();
PgmPrintln("Starting read test. Please wait up to a minute");
// do read test
file.rewind();
t = millis();
for (uint32_t i = 0; i < n; i++) {
if (file.read(buf, sizeof(buf)) != sizeof(buf)) {
error("read failed");
}
}
t = millis() - t;
r = (double)file.fileSize()/t;
PgmPrint("Read ");
Serial.print(r);
PgmPrintln(" KB/sec");
PgmPrintln("Done");
}
