some bugfixes and improvements

This commit is contained in:
Robin Müller 2020-08-20 20:36:49 +02:00
parent adbf39166f
commit 9385f90241
3 changed files with 20 additions and 3 deletions

View File

@ -42,7 +42,6 @@ ReturnValue_t SimpleRingBuffer::getFreeElement(uint8_t **writePointer,
excessBytes = amount - amountTillWrap;
}
*writePointer = &buffer[write];
incrementWrite(amount);
return HasReturnvaluesIF::RETURN_OK;
}
else {
@ -50,6 +49,14 @@ ReturnValue_t SimpleRingBuffer::getFreeElement(uint8_t **writePointer,
}
}
void SimpleRingBuffer::confirmBytesWritten(size_t amount) {
if(getExcessBytes() > 0) {
moveExcessBytesToStart();
}
incrementWrite(amount);
}
ReturnValue_t SimpleRingBuffer::writeData(const uint8_t* data,
size_t amount) {
if (availableWriteSpace() >= amount or overwriteOld) {
@ -125,3 +132,4 @@ ReturnValue_t SimpleRingBuffer::deleteData(size_t amount,
return HasReturnvaluesIF::RETURN_OK;
}

View File

@ -56,7 +56,8 @@ public:
/**
* Returns a pointer to a free element. If the remaining buffer is
* not large enough, the data will be written past the actual size
* and the amount of excess bytes will be cached.
* and the amount of excess bytes will be cached. This function
* does not increment the write pointer!
* @param writePointer Pointer to a pointer which can be used to write
* contiguous blocks into the ring buffer
* @param amount
@ -64,6 +65,14 @@ public:
*/
ReturnValue_t getFreeElement(uint8_t** writePointer, size_t amount);
/**
* This increments the write pointer and also copies the excess bytes
* to the beginning. It should be called if the write operation
* conducted after calling getFreeElement() was performed.
* @return
*/
void confirmBytesWritten(size_t amount);
virtual size_t getExcessBytes() const;
/**
* Helper functions which moves any excess bytes to the start

View File

@ -27,7 +27,7 @@ void arrayprinter::printHex(const uint8_t *data, size_t size,
if(i < size - 1){
sif::info << " , ";
if(i > 0 and i % maxCharPerLine == 0) {
sif::info << std::endl;
printf("\n");
}
}