unsigned long fileSize(FILE *stream, char *name)
{
long n = 0;
FILE *f = stream;
if (!stream) {
if (!name)
return 0;
f = fileOpen(name, "r");
if (!f)
return 0;
}
fileSeek(f, 0, SEEK_END);
n = fileTell(f);
if (!stream) {
fileClose(f);
} else {
fileSeek(f, 0, SEEK_SET);
}
return n;
}
int64_t fgetsize(FILE *f)
{
if (!f) return 0;
int64_t size;
// int64_t pos = _ftelli64(f);
int64_t pos = fileTell(f);
fileSeek(f, 0, SEEK_END);
size = fileTell(f);
fileSeek(f, pos, SEEK_SET);
/*_fseeki64(f, 0, SEEK_END);
size = _ftelli64(f);
_fseeki64(f, pos, SEEK_SET);
*/
return size;
}
uint32_t fileGetSize(const String fileName)
{
file_t file = fileOpen(fileName.c_str(), eFO_ReadOnly);
// Get size
fileSeek(file, 0, eSO_FileEnd);
int size = fileTell(file);
fileClose(file);
return size;
}
void HttpClient::onFinished(TcpClientState finishState)
{
if (finishState == eTCS_Failed) code = 0;
if (mode == eHCM_File)
{
debugf("Download file len written: %d, res^ %d", fileTell(saveFile), isSuccessful());
if (!isSuccessful())
fileDelete(saveFile);
fileClose(saveFile);
}
if (onCompleted)
onCompleted(*this, isSuccessful());
TcpClient::onFinished(finishState);
}
FileStream::FileStream(String fileName)
{
handle = fileOpen(fileName.c_str(), eFO_ReadOnly);
if (handle == -1)
{
debugf("File wasn't found: %s", fileName.c_str());
size = -1;
pos = 0;
}
// Get size
fileSeek(handle, 0, eSO_FileEnd);
size = fileTell(handle);
fileSeek(handle, 0, eSO_FileStart);
pos = 0;
debugf("send file: %s (%d bytes)", fileName.c_str(), size);
}
int fileGetContent(const String fileName, char* buffer, int bufSize)
{
if (buffer == NULL || bufSize == 0) return 0;
*buffer = 0;
file_t file = fileOpen(fileName.c_str(), eFO_ReadOnly);
// Get size
fileSeek(file, 0, eSO_FileEnd);
int size = fileTell(file);
if (size <= 0 || bufSize <= size)
{
fileClose(file);
return 0;
}
buffer[size] = 0;
fileSeek(file, 0, eSO_FileStart);
fileRead(file, buffer, size);
fileClose(file);
return size;
}
String fileGetContent(const String fileName)
{
file_t file = fileOpen(fileName.c_str(), eFO_ReadOnly);
// Get size
fileSeek(file, 0, eSO_FileEnd);
int size = fileTell(file);
if (size <= 0)
{
fileClose(file);
return "";
}
fileSeek(file, 0, eSO_FileStart);
char* buffer = new char[size + 1];
buffer[size] = 0;
fileRead(file, buffer, size);
fileClose(file);
String res = buffer;
delete[] buffer;
return res;
}
bool FileStream::attach(String fileName, FileOpenFlags openFlags)
{
handle = fileOpen(fileName.c_str(), openFlags);
if (handle == -1)
{
debugf("File wasn't found: %s", fileName.c_str());
size = -1;
pos = 0;
return false;
}
// Get size
fileSeek(handle, 0, eSO_FileEnd);
size = fileTell(handle);
fileSeek(handle, 0, eSO_FileStart);
pos = 0;
debugf("attached file: %s (%d bytes)", fileName.c_str(), size);
return true;
}
FileStream::FileStream(String fileName)
{
handle = fileOpen(fileName.c_str(), eFO_ReadOnly);
if (handle == -1)
{
debugf("File wasn't found: %s", fileName.c_str());
buffer = NULL;
size = -1;
pos = 0;
}
// Get size
fileSeek(handle, 0, eSO_FileEnd);
size = fileTell(handle);
fileSeek(handle, 0, eSO_FileStart);
pos = 0;
buffer = new char[min(size, NETWORK_SEND_BUFFER_SIZE)];
debugf("send file: %s (%d bytes)", fileName.c_str(), size);
}
unsigned long fileSize(FILE *stream, char *name)
{
#ifdef USE_FILE_API
long n = 0;
FILE *f = stream;
if (!f) {
if (!name)
return 0;
f = fileOpen(name, "r");
if (!f)
return 0;
}
fileSeek(f, 0, SEEK_END);
n = fileTell(f);
if (!stream) {
fileClose(f);
} else {
fileSeek(f, 0, SEEK_SET);
}
return n;
#else
FILE *f = stream;
Err error = errNone;
UInt32 size = 0;
if (!f || !f->fileRef)
return 0;
error = VFSFileSize(f->fileRef, &size);
return (error)?-1:size;
#endif
}
void bmpDraw(Adafruit_ST7735 tft, String fileName, uint8_t x, uint8_t y) {
file_t handle;
int bmpWidth, bmpHeight; // W+H in pixels
uint8_t bmpDepth; // Bit depth (currently must be 24)
uint32_t bmpImageoffset; // Start of image data in file
uint32_t rowSize; // Not always = bmpWidth; may have padding
uint8_t sdbuffer[3 * BUFFPIXEL]; // pixel buffer (R+G+B per pixel)
uint8_t buffidx = sizeof(sdbuffer); // Current position in sdbuffer
boolean goodBmp = false; // Set to true on valid header parse
boolean flip = true; // BMP is stored bottom-to-top
int w, h, row, col;
uint8_t r, g, b;
uint32_t pos = 0, startTime = millis();
if ((x >= tft.width()) || (y >= tft.height()))
return;
Serial.println();
Serial.print("Loading image '");
Serial.print(fileName);
Serial.println('\'');
handle = fileOpen(fileName.c_str(), eFO_ReadOnly);
if (handle == -1)
{
debugf("File wasn't found: %s", fileName.c_str());
fileClose(handle);
return;
}
// Parse BMP header
if (read16(handle) == 0x4D42) { // BMP signature
debugf("File size: %d\n", read32(handle)); // get File Size
(void)read32(handle); // Read & ignore creator bytes
bmpImageoffset = read32(handle); // Start of image data
debugf("Image Offset: %d\n", bmpImageoffset);
debugf("Header size: %d\n", read32(handle)); // Read DIB header
bmpWidth = read32(handle);
bmpHeight = read32(handle);
if(read16(handle) == 1) { // # planes -- must be '1'
bmpDepth = read16(handle); // bits per pixel
debugf("Bit Depth: %d\n", bmpDepth);
if((bmpDepth == 24) && (read32(handle) == 0)) { // 0 = uncompressed
goodBmp = true; // Supported BMP format -- proceed!
debugf("Image size: %d x %d\n", bmpWidth, bmpHeight);
// BMP rows are padded (if needed) to 4-byte boundary
rowSize = (bmpWidth * 3 + 3) & ~3;
// If bmpHeight is negative, image is in top-down order.
// This is not canon but has been observed in the wild.
if(bmpHeight < 0) {
bmpHeight = -bmpHeight;
flip = false;
}
// Crop area to be loaded
w = bmpWidth;
h = bmpHeight;
if((x+w-1) >= tft.width()) w = tft.width() - x;
if((y+h-1) >= tft.height()) h = tft.height() - y;
// Set TFT address window to clipped image bounds
tft.setAddrWindow(x, y, x+w-1, y+h-1);
for (row=0; row<h; row++) { // For each scanline...
// Seek to start of scan line. It might seem labor-
// intensive to be doing this on every line, but this
// method covers a lot of gritty details like cropping
// and scanline padding. Also, the seek only takes
// place if the file position actually needs to change
// (avoids a lot of cluster math in SD library).
if(flip) // Bitmap is stored bottom-to-top order (normal BMP)
pos = bmpImageoffset + (bmpHeight - 1 - row) * rowSize;
else // Bitmap is stored top-to-bottom
pos = bmpImageoffset + row * rowSize;
if (fileTell(handle) != pos) {
fileSeek(handle, pos, eSO_FileStart);
buffidx = sizeof(sdbuffer); // Force buffer reload
}
for (col=0; col<w; col++) { // For each pixel...
// Time to read more pixel data?
if (buffidx >= sizeof(sdbuffer)) { // Indeed
fileRead(handle, sdbuffer, sizeof(sdbuffer));
buffidx = 0; // Set index to beginning
}
// Convert pixel from BMP to TFT format, push to display
b = sdbuffer[buffidx++];
g = sdbuffer[buffidx++];
r = sdbuffer[buffidx++];
tft.pushColor(tft.Color565(r,g,b));
} // end pixel
} // end scanline
Serial.printf("Loaded in %d ms\n", millis() - startTime);
} // end goodBmp
}
}
fileClose(handle);
if(!goodBmp) Serial.println("BMP format not recognized.");
}
/* Split font set file into arg list */
static void makeArgs(char *filename) {
int state;
long i;
long length;
File file;
char *start = NULL; /* Suppress optimizer warning */
/* Read whole file into buffer */
fileOpen(&file, cbctx, filename, "r");
fileSeek(&file, 0, SEEK_END);
length = fileTell(&file);
script.buf = cbMemNew(cbctx, length + 1);
fileSeek(&file, 0, SEEK_SET);
fileReadN(&file, length, script.buf);
fileClose(&file);
script.buf[length] = '\n'; /* Ensure termination */
/* Parse buffer into args */
state = 0;
for (i = 0; i < length + 1; i++) {
int c = script.buf[i];
switch (state) {
case 0:
switch (c) {
case ' ':
case '\n':
case '\t':
case '\r':
case '\f':
break;
case '#':
state = 1;
break;
case '"':
start = &script.buf[i + 1];
state = 2;
break;
default:
start = &script.buf[i];
state = 3;
break;
}
break;
case 1: /* Comment */
if (c == '\n' || c == '\r') {
state = 0;
}
break;
case 2: /* Quoted string */
if (c == '"') {
script.buf[i] = '\0'; /* Terminate string */
*dnaNEXT(script.args) = start;
state = 0;
}
break;
case 3: /* Space-delimited string */
if (isspace(c)) {
script.buf[i] = '\0'; /* Terminate string */
*dnaNEXT(script.args) = start;
state = 0;
}
break;
}
}
}
