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Full memory optimization for ring buffer

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This commit is contained in:
Andy CA6JAU 2018-07-16 17:20:26 -04:00
parent 1fec6e5f77
commit ab929d2bd2
5 changed files with 24 additions and 20 deletions
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6
BitRB.cpp
View file

@ -36,7 +36,7 @@ m_full(false),
m_overflow(false) m_overflow(false)
{ {
m_bits = new uint8_t[length / 8U]; m_bits = new uint8_t[length / 8U];
m_control = new uint8_t[length]; m_control = new uint8_t[length / 8U];
} }
uint16_t CBitRB::getSpace() const uint16_t CBitRB::getSpace() const
@ -74,7 +74,7 @@ bool CBitRB::put(uint8_t bit, uint8_t control)
} }
WRITE_BIT1(m_bits, m_head, bit); WRITE_BIT1(m_bits, m_head, bit);
m_control[m_head] = control; WRITE_BIT1(m_control, m_head, control);
m_head++; m_head++;
if (m_head >= m_length) if (m_head >= m_length)
@ -92,7 +92,7 @@ bool CBitRB::get(uint8_t& bit, uint8_t& control)
return false; return false;
bit = READ_BIT1(m_bits, m_tail); bit = READ_BIT1(m_bits, m_tail);
control = m_control[m_tail]; control = READ_BIT1(m_control, m_tail);
m_full = false; m_full = false;

18
DMRRX.cpp
View file

@ -24,23 +24,21 @@
#include "Globals.h" #include "Globals.h"
#include "DMRRX.h" #include "DMRRX.h"
CDMRRX::CDMRRX() CDMRRX::CDMRRX() :
m_control_old(0U)
{ {
} }
void CDMRRX::databit(bool bit, const uint8_t control) void CDMRRX::databit(bool bit, const uint8_t control)
{ {
switch (control) { if (control != m_control_old) {
case MARK_SLOT1: m_control_old = control;
m_slotRX.start(false); if (control)
break;
case MARK_SLOT2:
m_slotRX.start(true); m_slotRX.start(true);
break; else
default: m_slotRX.start(false);
break;
} }
io.setDecode(m_slotRX.databit(bit)); io.setDecode(m_slotRX.databit(bit));
} }

1
DMRRX.h
View file

@ -39,6 +39,7 @@ public:
private: private:
CDMRSlotRX m_slotRX; CDMRSlotRX m_slotRX;
uint8_t m_control_old;
}; };
#endif #endif

18
DMRTX.cpp
View file

@ -59,7 +59,8 @@ m_poBuffer(),
m_poLen(0U), m_poLen(0U),
m_poPtr(0U), m_poPtr(0U),
m_frameCount(0U), m_frameCount(0U),
m_abort() m_abort(),
m_control_old(0U)
{ {
::memcpy(m_newShortLC, EMPTY_SHORT_LC, 12U); ::memcpy(m_newShortLC, EMPTY_SHORT_LC, 12U);
::memcpy(m_shortLC, EMPTY_SHORT_LC, 12U); ::memcpy(m_shortLC, EMPTY_SHORT_LC, 12U);
@ -218,21 +219,24 @@ void CDMRTX::writeByte(uint8_t c, uint8_t control)
{ {
uint8_t bit; uint8_t bit;
uint8_t mask = 0x80U; uint8_t mask = 0x80U;
uint8_t control_tmp; uint8_t control_tmp = m_control_old;
for (uint8_t i = 0U; i < 8U; i++, c <<= 1) { for (uint8_t i = 0U; i < 8U; i++, c <<= 1) {
if ((c & mask) == mask) if ((c & mask) == mask)
bit = 1U; bit = 1U;
else else
bit = 0U; bit = 0U;
control_tmp = MARK_NONE;
if( i == 7U || i == 6U) if(i == 7U) {
control_tmp = control; if (control == MARK_SLOT2)
control_tmp = true;
else if (control == MARK_SLOT1)
control_tmp = false;
m_control_old = control_tmp;
}
io.write(&bit, 1, &control_tmp); io.write(&bit, 1, &control_tmp);
} }
} }

1
DMRTX.h
View file

@ -70,6 +70,7 @@ private:
uint16_t m_poPtr; uint16_t m_poPtr;
uint32_t m_frameCount; uint32_t m_frameCount;
bool m_abort[2U]; bool m_abort[2U];
uint8_t m_control_old;
void createData(uint8_t slotIndex); void createData(uint8_t slotIndex);
void createCACH(uint8_t txSlotIndex, uint8_t rxSlotIndex); void createCACH(uint8_t txSlotIndex, uint8_t rxSlotIndex);