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add debugging output for lights

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This commit is contained in:
Chris Danford
2003-11-19 08:53:50 +00:00
parent ea6929d47a
commit cab597f8ee
1 changed files with 25 additions and 7 deletions
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stepmania/src/arch/Lights/LightsDriver_LinuxSerial.cpp
+25 -7
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@@ -43,7 +43,7 @@ void WriteString( char* sz, int len )
LightsDriver_LinuxSerial::LightsDriver_LinuxSerial()
{
fd = open("/dev/ttyS1", O_RDWR | O_NOCTTY | O_NDELAY);
fd = open("/dev/ttyS0", O_RDWR | O_NOCTTY | O_NDELAY); // COM1
if (fd < 0)
RageException::Throw( "open error %d %s\n", errno, strerror(errno) );
@@ -74,12 +74,14 @@ LightsDriver_LinuxSerial::~LightsDriver_LinuxSerial()
close(fd);
}
#define NUM_DATA_BYTES 2
char g_data[2] = { 0, 0 };
char g_data[NUM_DATA_BYTES] = { 0, 0 };
void LightsDriver_LinuxSerial::SetLight( Light light, bool bOn )
{
int byte_index = light / 8;
ASSERT( byte_index <= NUM_DATA_BYTES );
int bit_index = light % 8;
char &data = g_data[byte_index];
char mask = 0x01 << bit_index;
@@ -91,12 +93,28 @@ void LightsDriver_LinuxSerial::SetLight( Light light, bool bOn )
void LightsDriver_LinuxSerial::Flush()
{
WriteString( "Yo", strlen("Yo") );
// temp HACK: only write once every 30 times
static int counter = 0;
if( counter < 30 )
{
counter++;
return;
}
else
{
counter = 0;
// fall through and write
}
// flip bits so that 0=on, 1=off.
char temp_data[2];
for( int i=0; i<2; i++ )
temp_data[i] = ~g_data[i];
LOG->Trace( "Entering LightsDriver_LinuxSerial::Flush()" );
char temp_data_to_write[2+NUM_DATA_BYTES] = "";
temp_data_to_write[0] = 'Y';
temp_data_to_write[1] = 'o';
for( int i=0; i<NUM_DATA_BYTES; i++ )
temp_data[2+i] = ~g_data[i]; // flip bits so that 0=on, 1=off.
WriteString( temp_data, sizeof(temp_data) );
LOG->Trace( "Leaving LightsDriver_LinuxSerial::Flush()" );
}