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Remove the EOTs from the end of a transmission.

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This commit is contained in:
Jonathan Naylor
2018-06-12 22:05:23 +01:00
parent e57326aeef
commit 270f518a63
1 changed files with 5 additions and 6 deletions
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11
POCSAGControl.cpp
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@@ -29,7 +29,7 @@ const uint32_t DATA_MASK[] = { 0x40000000U, 0x20000000U, 0x10000000U
0x00008000U, 0x00004000U, 0x00002000U, 0x00001000U, 0x00008000U, 0x00004000U, 0x00002000U, 0x00001000U,
0x00000800U}; 0x00000800U};
const unsigned char ASCII_EOT = 0x04U; const unsigned char ASCII_NUL = 0x00U;
CPOCSAGControl::CPOCSAGControl(CPOCSAGNetwork* network, CDisplay* display) : CPOCSAGControl::CPOCSAGControl(CPOCSAGNetwork* network, CDisplay* display) :
m_network(network), m_network(network),
@@ -112,7 +112,6 @@ void CPOCSAGControl::clock(unsigned int ms)
#endif #endif
} }
m_output.clear(); m_output.clear();
m_output.push_back(POCSAG_SYNC_WORD); m_output.push_back(POCSAG_SYNC_WORD);
@@ -206,9 +205,9 @@ void CPOCSAGControl::packASCII()
} }
} }
// Add at least one EOT to the message // Fill remaining space wit NUL characters.
do { while (n != 0U) {
unsigned char c = ASCII_EOT; unsigned char c = ASCII_NUL;
for (unsigned int j = 0U; j < 7U; j++, c >>= 1) { for (unsigned int j = 0U; j < 7U; j++, c >>= 1) {
bool b = (c & MASK) == MASK; bool b = (c & MASK) == MASK;
if (b) if (b)
@@ -222,7 +221,7 @@ void CPOCSAGControl::packASCII()
n = 0U; n = 0U;
} }
} }
} while (n != 0U); }
} }
void CPOCSAGControl::addBCHAndParity(uint32_t& word) const void CPOCSAGControl::addBCHAndParity(uint32_t& word) const