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Changed DMD test pattern to diagonal lines moving horizontally to show better intensity control

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gstellenberg
2009-05-24 14:49:47 -05:00
parent b9914c2520
commit fc97e9a009
1 changed files with 24 additions and 15 deletions
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39
examples/pinproctest/pinproctest.cpp
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@@ -31,6 +31,7 @@
#include <stdio.h> #include <stdio.h>
#include <signal.h> #include <signal.h>
#include <unistd.h> #include <unistd.h>
#include <cmath>
#include "pinproc.h" // Include libpinproc's header. #include "pinproc.h" // Include libpinproc's header.
/** Demonstration of the custom logging callback. */ /** Demonstration of the custom logging callback. */
@@ -183,31 +184,37 @@ void ConfigureDMD (PRHandle proc)
dmdConfig.dotclkHalfPeriod[i] = 1; dmdConfig.dotclkHalfPeriod[i] = 1;
} }
dmdConfig.deHighCycles[0] = 200; dmdConfig.deHighCycles[0] = 250;
dmdConfig.deHighCycles[1] = 400; dmdConfig.deHighCycles[1] = 400;
dmdConfig.deHighCycles[2] = 100; dmdConfig.deHighCycles[2] = 180;
dmdConfig.deHighCycles[3] = 800; dmdConfig.deHighCycles[3] = 800;
PRDMDUpdateConfig(proc, &dmdConfig); PRDMDUpdateConfig(proc, &dmdConfig);
} }
// Display a simple pattern to verify DMD functionality. // Display a simple pattern to verify DMD functionality.
// 16 consecutive rows will turn on with incrementing brightness and rotate vertically // 16 diagonal lines will rotate to the right. Every two rows will get brighter,
// starting with dim dots at the top.
void UpdateDots( unsigned char * dots, unsigned int dotPointer ) void UpdateDots( unsigned char * dots, unsigned int dotPointer )
{ {
int i,j,k,dot_byte,color,mappedColor,loopCtr; int i,j,k,dot_byte,color,mappedColor,loopCtr,shifter;
loopCtr = dotPointer/2; loopCtr = dotPointer/1;
color = 0xf; color = 0xf;
shifter = 0x80;
// Slow it down just a tad // Slow it down just a tad
if (dotPointer%2 == 0) if (dotPointer%1 == 0)
{ {
// Set up shifter to rotate pattern to the right.
shifter = pow(2,(loopCtr%8));
// Clear the DMD dots every time the rotation occurs // Clear the DMD dots every time the rotation occurs
memset(dots,0,((128*32)/8)*4); memset(dots,0,((128*32)/8)*4);
// Loop through all of the rows // Loop through all of the rows
for (i = (loopCtr%32)+32; i >= loopCtr%32; i--) //for (i = (loopCtr%32)+32; i >= loopCtr%32; i--)
for (i = 31; i >= 0; i--)
{ {
// Map the color index to the DMD's physical color map // Map the color index to the DMD's physical color map
switch (color) switch (color)
@@ -215,16 +222,16 @@ void UpdateDots( unsigned char * dots, unsigned int dotPointer )
case 0: mappedColor = 0; break; case 0: mappedColor = 0; break;
case 1: mappedColor = 2; break; case 1: mappedColor = 2; break;
case 2: mappedColor = 8; break; case 2: mappedColor = 8; break;
case 3: mappedColor = 10; break; case 3: mappedColor = 1; break;
case 4: mappedColor = 1; break; case 4: mappedColor = 10; break;
case 5: mappedColor = 3; break; case 5: mappedColor = 3; break;
case 6: mappedColor = 9; break; case 6: mappedColor = 9; break;
case 7: mappedColor = 11; break; case 7: mappedColor = 4; break;
case 8: mappedColor = 4; break; case 8: mappedColor = 11; break;
case 9: mappedColor = 6; break; case 9: mappedColor = 6; break;
case 10: mappedColor = 12; break; case 10: mappedColor = 12; break;
case 11: mappedColor = 14; break; case 11: mappedColor = 5; break;
case 12: mappedColor = 5; break; case 12: mappedColor = 14; break;
case 13: mappedColor = 7; break; case 13: mappedColor = 7; break;
case 14: mappedColor = 13; break; case 14: mappedColor = 13; break;
case 15: mappedColor = 15; break; case 15: mappedColor = 15; break;
@@ -238,10 +245,12 @@ void UpdateDots( unsigned char * dots, unsigned int dotPointer )
{ {
// Turn on the byte in each sub-frame that's enabled // Turn on the byte in each sub-frame that's enabled
// active for the color code. // active for the color code.
if ((mappedColor >> k) & 1 == 1) dots[k*(128*32/8)+((i%32)*16)+j] = 0xff; if ((mappedColor >> k) & 1 == 1) dots[k*(128*32/8)+((i%32)*16)+j] = shifter;
} }
} }
if (color > 0) color--; if (i%2 == 0) color--;
if (shifter == 1) shifter = 0x80;
else shifter = shifter >> 1;
} }
} }