dani/CommandStation-EX
1
0
Fork 0
mirror of https://github.com/DCC-EX/CommandStation-EX.git synced 2024-12-23 12:51:24 +01:00
Code Releases Activity

Revert "add RinStream::peek()"

Browse Source 
This reverts commit 26fc11d1a6.
This commit is contained in:
Harald Barth 2022-07-31 09:23:02 +02:00
parent 2ad0d7ab76
commit 8916d1415f
2 changed files with 8 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
RingStream.cpp
View File

@ -95,22 +95,21 @@ _count=prevCount+plength;
return plength;
}
int RingStream::read(byte advance) {
int RingStream::read() {
if (_flashInsert) {
// we are reading out of a flash string
byte fb=GETFLASH(_flashInsert);
_flashInsert+=advance;
_flashInsert++;
if (fb) return fb; // we have a byte from the flash
// flash insert complete, clear and drop through to next buffer byte
_flashInsert=NULL;
}
if ((_pos_read==_pos_write) && !_overflow) return -1; // empty
byte b=readRawByte(advance);
byte b=readRawByte();
if (b!=FLASH_INSERT_MARKER) return b;
// Detected a flash insert
// read address bytes LSB first (size depends on CPU)
if (advance == 0) readRawByte(); // read past it anyway
uintptr_t iFlash=0;
for (byte f=0; f<sizeof(iFlash); f++) {
uintptr_t bf=readRawByte();
@ -120,12 +119,12 @@ int RingStream::read(byte advance) {
}
_flashInsert=reinterpret_cast<char * >( iFlash);
// and try again... so will read the first byte of the insert.
return read(advance);
return read();
}
byte RingStream::readRawByte(byte advance) {
byte RingStream::readRawByte() {
byte b=_buffer[_pos_read];
_pos_read+=advance;
_pos_read++;
if (_pos_read==_len) _pos_read=0;
_overflow=false;
return b;

6
RingStream.h
View File

@ -39,8 +39,7 @@ class RingStream : public Print {
virtual int availableForWrite() override;
using Print::write;
size_t printFlash(const FSH * flashBuffer);
inline int read() { return read(1); };
inline int peek() { return read(0); };
int read();
int count();
int freeSpace();
void mark(uint8_t b);
@ -48,9 +47,8 @@ class RingStream : public Print {
uint8_t peekTargetMark();
void flush();
void info();
byte readRawByte();
private:
int read(byte advance);
byte readRawByte(byte advance=1);
int _len;
int _pos_write;
int _pos_read;