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MMDVM
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Esnure frame size is 84 samples, correctly report space as number of frames

This commit is contained in:
Geoffrey Merck 2020-05-31 21:50:06 +02:00
parent 1ed3a4c9d5
commit 4f060c0047
1 changed files with 6 additions and 4 deletions
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10
FM.cpp
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@ -20,9 +20,11 @@
#include "Globals.h"
#include "FM.h"
const uint16_t FM_TX_BLOCK_SIZE = 100U;
const uint16_t FM_SERIAL_BLOCK_SIZE = 42U;//this is actually the number of sample pairs to send over serial. One sample pair is 3bytes.
//three times this value shall never exceed 126 !
const uint16_t FM_SERIAL_BLOCK_SIZE = 84U;//this is the number of sample pairs to send over serial. One sample pair is 3bytes.
//three times this value shall never exceed 252
const uint16_t FM_SERIAL_BLOCK_SIZE_BYTES = FM_SERIAL_BLOCK_SIZE * 3U;
CFM::CFM() :
m_callsign(),
@ -721,8 +723,8 @@ void CFM::beginRelaying()
uint8_t CFM::getSpace() const
{
// The amount of free space for receiving external audio, in bytes.
return m_inputExtRB.getSpace();
// The amount of free space for receiving external audio, in frames.
return m_inputExtRB.getSpace() / FM_SERIAL_BLOCK_SIZE_BYTES;
}
uint8_t CFM::writeData(const uint8_t* data, uint8_t length)