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Stop double opens and closes on the UMP when used for Nextion and control lines.

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This commit is contained in:
Jonathan Naylor
2016-11-04 09:55:55 +00:00
committed by GitHub
parent fcfe171365
commit 4581a7c9fd
1 changed files with 11 additions and 0 deletions
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11
UMP.cpp
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@@ -41,6 +41,7 @@ const unsigned int BUFFER_LENGTH = 255U;
CUMP::CUMP(const std::string& port) : CUMP::CUMP(const std::string& port) :
m_serial(port, SERIAL_115200), m_serial(port, SERIAL_115200),
m_open(false),
m_buffer(NULL), m_buffer(NULL),
m_length(0U), m_length(0U),
m_offset(0U), m_offset(0U),
@@ -58,6 +59,9 @@ CUMP::~CUMP()
bool CUMP::open() bool CUMP::open()
{ {
if (m_open)
return true;
bool ret = m_serial.open(); bool ret = m_serial.open();
if (!ret) if (!ret)
return false; return false;
@@ -74,6 +78,8 @@ bool CUMP::open()
return false; return false;
} }
m_open = true;
return true; return true;
} }
@@ -235,5 +241,10 @@ void CUMP::clock(unsigned int ms)
void CUMP::close() void CUMP::close()
{ {
if (!m_open)
return;
m_serial.close(); m_serial.close();
m_open = false;
} }