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Reverse the bit order of the transmitted characters.

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This commit is contained in:
Jonathan Naylor 2018-06-12 20:53:39 +01:00
parent 4b84e4c610
commit e0549c27c1
1 changed files with 3 additions and 3 deletions
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6
POCSAGControl.cpp
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@ -184,14 +184,14 @@ void CPOCSAGControl::addAddress()
void CPOCSAGControl::packASCII()
{
const unsigned char MASK = 0x40U;
const unsigned char MASK = 0x01U;
uint32_t word = 0x80000000U;
unsigned int n = 0U;
for (std::string::const_iterator it = m_text.cbegin(); it != m_text.cend(); ++it) {
unsigned char c = *it;
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;
if (b)
word |= DATA_MASK[n];
@ -209,7 +209,7 @@ void CPOCSAGControl::packASCII()
// Add at least one EOT to the message
do {
unsigned char c = ASCII_EOT;
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;
if (b)
word |= DATA_MASK[n];