VE7UWU/sdrangel
1
0
Fork 0
mirror of https://github.com/f4exb/sdrangel.git synced 2024-09-28 15:56:33 -04:00
Code Issues Projects Releases Wiki Activity

CW Keyer: compiles

Browse Source
This commit is contained in:
f4exb 2016-12-10 06:16:13 +01:00
parent 808a8c85fd
commit d6c9b2f707
1 changed files with 49 additions and 65 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

114
sdrbase/dsp/cwkeyer.cpp
View File

@ -23,7 +23,7 @@
* 1: dash * 1: dash
* -1: end of sequence * -1: end of sequence
*/ */
const char m_asciiToMorse[][128] = { const char CWKeyer::m_asciiToMorse[][128] = {
{-1}, // 0 {-1}, // 0
{-1}, // 1 {-1}, // 1
{-1}, // 2 {-1}, // 2
@ -313,7 +313,6 @@ void CWKeyer::nextStateIambic()
} }
} }
void CWKeyer::nextStateText() void CWKeyer::nextStateText()
{ {
// TODO... // TODO...
@ -324,16 +323,55 @@ void CWKeyer::nextStateText()
m_elementPointer = 0; m_elementPointer = 0;
m_textPointer = 0; m_textPointer = 0;
m_textState = TextStartChar; m_textState = TextStartChar;
nextStateText();
break; break;
case TextStartChar: case TextStartChar:
m_samplePointer = 0; m_samplePointer = 0;
m_elementPointer = 0; m_elementPointer = 0;
m_textState = TextStartElement; if (m_textPointer < m_text.length())
{
m_asciiChar = (m_text.at(m_textPointer)).toLatin1();
if (m_asciiChar < 0) { // non ASCII
m_asciiChar = 0;
}
if (m_asciiChar == ' ')
{
m_textState = TextWordSpace;
}
else
{
m_textState = TextStartElement;
}
m_textPointer++;
}
else // end of text
{
m_textState = TextEnd;
}
break; break;
case TextStartElement: case TextStartElement:
m_samplePointer = 0; m_samplePointer = 0;
m_textState = TextElement; if (m_asciiToMorse[m_elementPointer][m_asciiChar] == -1) // end of morse character
{
m_elementPointer = 0;
m_textState = TextCharSpace;
}
else
{
if (m_asciiToMorse[m_elementPointer][m_asciiChar] == 0) // dot
{
m_dot = true;
m_dash = false;
}
else // dash
{
m_dot = false;
m_dash = true;
}
m_textState = TextElement;
m_elementPointer++;
}
break; break;
case TextElement: case TextElement:
nextStateIambic(); // dash or dot nextStateIambic(); // dash or dot
@ -343,14 +381,13 @@ void CWKeyer::nextStateText()
} }
break; break;
case TextCharSpace: case TextCharSpace:
if (m_samplePointer < 3*m_dotLength) if (m_samplePointer < 2*m_dotLength) // 1 dot length space from element
{ {
m_samplePointer++; m_samplePointer++;
m_key = false; m_key = false;
} }
else else
{ {
m_samplePointer = 0;
m_textState = TextStartChar; m_textState = TextStartChar;
} }
break; break;
@ -362,7 +399,6 @@ void CWKeyer::nextStateText()
} }
else else
{ {
m_samplePointer = 0;
m_textState = TextStartChar; m_textState = TextStartChar;
} }
break; break;
@ -371,61 +407,9 @@ void CWKeyer::nextStateText()
m_key = false; m_key = false;
break; break;
} }
}
if (m_samplePointer == 0) // element not started or finished bool CWKeyer::eom()
{ {
if (m_asciiToMorse[m_elementPointer][m_asciiChar] == -1) // end of morse symbol return !(m_textPointer < m_text.length());
{
m_keyIambicState = KeyCharSpace;
m_samplePointer++;
m_key = false;
}
else
{
if (m_asciiToMorse[m_elementPointer][m_asciiChar] == 0) // dot
{
m_dot = true;
m_dash = false;
}
else // dash
{
m_dot = false;
m_dash = true;
}
nextStateIambic();
}
if (m_textPointer < m_text.length())
{
m_asciiChar = (m_text[m_textPointer]).toAscii();
if (m_asciiChar < 0) {
m_asciiChar = 0;
}
m_elementPointer = 0;
m_textPointer++;
}
else
{
// TODO: end of text
}
}
else
{
if ((m_keyIambicState == KeyDot) || (m_keyIambicState == KeyDash))
{
nextStateIambic();
}
else if (m_keyIambicState == KeyCharSpace)
{
if (m_samplePointer < 2*m_dotLength) // rest of a dash period (+2 dot periods)
{
m_samplePointer++;
m_key = false;
}
}
}
} }