save loops

Dependencies:   mbed

Revision:
0:df6fdd9b99f0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/simpleLaserRenderer.cpp	Tue Dec 02 04:39:15 2014 +0000
@@ -0,0 +1,285 @@
+#include "simpleLaserRenderer.h"
+
+void simpleLaserSensingRenderer::setConfigToRender(blobConfig* ptBlobCf) {
+    //Note: when setting the config to render, we assume the number of blobs is fixed, and the number of points per blob is also fixed.
+    ptBlobCfToRender=ptBlobCf;
+    // totalBlobs=ptBlobCfToRender->numBlobs; // equal in fact to blobArray.size()
+    totalBlobs=ptBlobCfToRender->blobArray.size(); // equal in fact to blobArray.size()
+
+    // NOTE: the wait times (normal, start and end point) can be BLOB dependent. This may be a nice future (TO DO?).
+
+// SET STATE MACHINE TO INITIAL VALUES:
+    waitFirst=0;
+    waitFirstLaser=0;
+    waitNormal=0;
+    waitLaser=0;
+    waitLast=0;
+    currentBlob=-1; // this is only for the very first time we initialize the state machine (we could have another initial state, but this would be inefficient)
+    stateLsd=MOVE_NEXT_BLOB;
+
+    /*
+     // For tests: case of unique blob:
+      currentBlob=0;// in case of unique blob (for tests)
+    // currentMirrorDelay=ptBlobCfToRender->blobArray[currentBlob]->delayMirrorSamples; // per blob delay!
+     currentTotalPoints=ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory.size();
+     currentColor=tBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.displayColor;
+     IO.setRGBPower(currentColor|0x04); // Note: RED always on...
+     */
+
+    // overlap display to avoid deformed saccade and give time to the mirrors to be well in the saccade trajectory
+    // NOTE: ideally, numOverlapPoints depends on the number of points of EACH blob, as well as the distance between the spots. 
+    //       But for the time being, this will be a fixed quantity (DEFAULT_OVERLAP_POINTS).
+    if (totalBlobs>1) numOverlapPoints=DEFAULT_OVERLAP_POINTS; 
+    else numOverlapPoints=0;
+
+    configTotalPoints=0;
+    for (int i=0; i<totalBlobs ; i++) {
+        configTotalPoints+=ptBlobCfToRender->blobArray[i]->displaySensingBuffer.lsdTrajectory.size();
+    }
+    // configTotalPoints contains the number of points of the config, and will be used to ensure that a FULL DISPLAY has been done BEFORE updating and "re-drawing" the trajectory in the buffer,
+    // wherever the current point being displayed when we start the update/draw.
+    pointDisplayCounter=0;
+  
+}
+
+bool simpleLaserSensingRenderer::endedFullDisplay() {
+    return(pointDisplayCounter>configTotalPoints);
+}
+
+bool simpleLaserSensingRenderer::endedFractionDisplay(int frac) {
+    if (frac==0) return(true); 
+    else  return(pointDisplayCounter>configTotalPoints/frac);
+}
+
+void simpleLaserSensingRenderer::startFullDisplay() {
+    pointDisplayCounter=0;
+}
+
+
+void simpleLaserSensingRenderer::laserRenderThread() {
+
+    switch (stateLsd) {
+        case NORMAL_POINT:
+            if (currentPoint<currentTotalPoints+numOverlapPoints) { // Attention: use modulo currentTotalPoints when accessing trajectory index.
+                if (waitNormal==0) { // Send mirrors position the first time (note: I don't put this inside the waitNormal<WAIT_NORMAL, because WAIT_NORMAL can be 0!
+                
+                    uint8_t currentPointWrap=currentPoint%currentTotalPoints; 
+                    x= ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[currentPointWrap].x;
+                    y= ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[currentPointWrap].y;
+
+                    IO.writeOutX(x);
+                    IO.writeOutY(y);
+                }
+                if (waitNormal<WAIT_NORMAL)  {
+                    waitNormal++;// wait a little to correct for mirror delay (note: the mirror effective waiting time is WAIT_NORMAL + WAIT_LASER)
+                } else {   // if we got here, it means the mirrors are well positionned: activate laser:
+                    if ((waitLaser==0)&&(currentPoint>numOverlapPoints)) { // change laser output the first time:
+#ifndef debugDelayMirrors
+                        IO.setRGBPower(currentColor|0x04); // Note: the "RED" here also affects the lockin laser (now red, in the future IR). 
+                        // BUT enable the blue activation if one wants (in particular elastic blobs...)
+                        if (ptBlobCfToRender->blobArray[currentBlob]->blueTouch) {
+                            uint8_t delayedPoint=currentPoint; 
+                        if ( ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[delayedPoint].lightZone<0) { // note: we use PREVIOUS sensing - so as not to wait again for
+                            //IO.setRGBPower((currentColor&0x02)|0x04); // RED always on, BLUE OFF (and green whatever it was)
+                            // Note: better not use complicated calls?
+                            IO.setBluePower(0);
+                            IO.setGreenPower(currentColor&0x02);
+                        } else {
+                            //IO.setRGBPower((currentColor|0x01)|0x04); // RED always ON, BLUE ON (and green whatever it was)
+                            IO.setBluePower(1);
+                            IO.setGreenPower(currentColor&0x02);
+                        }
+                            }
+#else               // TEST MODE for delay using blue laser:
+                    // NOTE: we can either CORRECT the delay (and see if the correction is good), or show the "raw" detection (in this case, we need to 
+                    // compute delayedPoint, but exactly the reverse as the calculation made in the classLaserSensingTrajectory...
+                        // (a) "raw":
+                        //uint8_t delayedPoint=(currentPoint+currentTotalPoints-ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.delayMirrorSamples)%currentTotalPoints;
+                        // (b) corrected delay:
+                        uint8_t delayedPoint=currentPoint; 
+                        if ( ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[delayedPoint].lightZone<0) { // note: we use PREVIOUS sensing - so as not to wait again for
+                            //IO.setRGBPower((currentColor&0x02)|0x04); // RED always on, BLUE OFF (and green whatever it was)
+                            // Note: better not use complicated calls?
+                            IO.setBluePower(0);
+                            IO.setGreenPower(currentColor&0x02);
+                        } else {
+                            //IO.setRGBPower((currentColor|0x01)|0x04); // RED always ON, BLUE ON (and green whatever it was)
+                            IO.setBluePower(1);
+                            IO.setGreenPower(currentColor&0x02);
+                        }
+#endif
+                    }
+                    if (waitLaser<WAIT_LASER) {
+                        waitLaser++; // increment wait laser counter
+                    } else { // If we got here, it means that mirrors and laser power are both properly set:
+                        // Read the intensity and move to the next point:
+
+                        uint8_t currentPointWrap=currentPoint%currentTotalPoints;
+                        ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[currentPointWrap].intensity=(unsigned char)(255.0*IO.lockInCorrectedValue(x,y));
+                        ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[currentPointWrap].intensity=(unsigned char)(255.0*IO.lockInCorrectedValue(x,y));
+
+                        // Move to next point:
+                        currentPoint++;
+
+                        waitNormal=0;
+                        waitLaser=0;
+
+                        // Update the point display counter (meaning: this point has been properly acquired - we need (at least) configTotalPoints of those good acquisitions before updating and re-draw)
+                        pointDisplayCounter++;
+                    }
+                }
+            } else { // this means we ended rendering this blob, with or without partial duplication
+                if (totalBlobs>1) stateLsd=LAST_POINT;
+                else { // this means we are rendering a unique blob:
+                    // currentBlob does not change (equal to 0 always), stateLsd is always NORMAL_POINT
+                    // The only thing we need to do is to reset "currentPoint" to 0, and eventually change the color of the blob.
+                    // NOTE that if only doing this, the point 0 will take two ISR cycles; therefore it is better to move the mirrors NOW and set the
+                    // currentPoint to 1:
+                    currentPoint=0; // and we copy the code in the NORMAL mode (this will increment currentPoint):
+                    
+                    if (waitNormal==0) { // Send mirrors position the first time (note: I don't put this inside the waitNormal<WAIT_NORMAL, because WAIT_NORMAL can be 0!
+                
+                    uint8_t currentPointWrap=currentPoint%currentTotalPoints; 
+                    x= ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[currentPointWrap].x;
+                    y= ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[currentPointWrap].y;
+
+                    IO.writeOutX(x);
+                    IO.writeOutY(y);
+                }
+                if (waitNormal<WAIT_NORMAL)  {
+                    waitNormal++;// wait a little to correct for mirror delay (note: the mirror effective waiting time is WAIT_NORMAL + WAIT_LASER)
+                } else {   // if we got here, it means the mirrors are well positionned: activate laser:
+                    if ((waitLaser==0)&&(currentPoint>numOverlapPoints)) { // change laser output the first time:
+#ifndef debugDelayMirrors
+                        IO.setRGBPower(currentColor|0x04); // Note: the "RED" here also affects the lockin laser (now red, in the future IR). 
+#else               // TEST MODE for delay using blue laser:
+                    // NOTE: we can either CORRECT the delay (and see if the correction is good), or show the "raw" detection (in this case, we need to 
+                    // compute delayedPoint, but exactly as the reverse of the calculation made in the classLaserSensingTrajectory...
+                        // (a) "raw":
+                        //uint8_t delayedPoint=(currentPoint+currentTotalPoints-ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.delayMirrorSamples)%currentTotalPoints;
+                        // (b) corrected delay:
+                        uint8_t delayedPoint=currentPoint; 
+                        if ( ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[delayedPoint].lightZone<0) { // note: we use PREVIOUS sensing - so as not to wait again for
+                            //IO.setRGBPower((currentColor&0x02)|0x04); // RED always on, BLUE OFF (and green whatever it was)
+                            // Note: better not use complicated calls?
+                            IO.setBluePower(0);
+                            IO.setGreenPower(currentColor&0x02);
+                        } else {
+                            //IO.setRGBPower((currentColor|0x01)|0x04); // RED always ON, BLUE ON (and green whatever it was)
+                            IO.setBluePower(1);
+                            IO.setGreenPower(currentColor&0x02);
+                        }
+#endif
+                    }
+                    if (waitLaser<WAIT_LASER) {
+                        waitLaser++; // increment wait laser counter
+                    } else { // If we got here, it means that mirrors and laser power are both properly set:
+                        // Read the intensity and move to the next point:
+
+                        uint8_t currentPointWrap=currentPoint%currentTotalPoints;
+                        ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[currentPointWrap].intensity=(unsigned char)(255.0*IO.lockInCorrectedValue(x,y));
+                        ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[currentPointWrap].intensity=(unsigned char)(255.0*IO.lockInCorrectedValue(x,y));
+
+                        // Move to next point:
+                        currentPoint++;
+
+                        waitNormal=0;
+                        waitLaser=0;
+
+                        // Update the point display counter (meaning: this point has been properly acquired - we need (at least) configTotalPoints of those good acquisitions before updating and re-draw)
+                        pointDisplayCounter++;
+                    }
+                }
+                    
+                    currentColor=ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.displayColor;
+                }
+            }
+            break;
+        case LAST_POINT:
+            // We need to pause for a while (this is for avoiding a deformed end of a blob when there are more than one blob AND we did not properly correct the mirror delay - this may be because
+            // we want a faster display, in which case we will need to adjust the mirrorDelay variable to something different from 0)
+            if (waitLast<WAIT_LAST) waitLast++;
+            else {
+                // switch off laser (NOTE: there is no need to wait for switch off time)
+#ifdef RED_BLANKING
+               IO.setRGBPower(0x00);
+#else
+               IO.setRGBPower(0x04); // Note: RED always on, or really 0
+#endif
+                waitLast=0;
+                stateLsd=MOVE_NEXT_BLOB;
+            }
+            break;
+        case MOVE_NEXT_BLOB:
+            // TO DO: line and counter to avoid overshoot?
+
+            // Start processing next blob:
+            currentBlob=(currentBlob+1)%totalBlobs;
+
+            // currentMirrorDelay=ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.delayMirrorSamples; // per blob delay!
+            currentTotalPoints=ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory.size();
+            currentColor=ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.displayColor;
+            currentPoint=0;
+
+            if (totalBlobs>1) stateLsd=START_POINT;
+            else stateLsd=NORMAL_POINT; // in this case, we can skip the waiting for the last point (and first point too)
+
+            break;
+
+        case START_POINT:
+            if (waitFirst==0) {
+                // Send command to position the mirrors on the first point of NEXT blob (laser is flying in between during this time... )
+                x= ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[0].x;
+                y= ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[0].y;
+                IO.writeOutX(x);
+                IO.writeOutY(y);
+            }
+            if (waitFirst<WAIT_FIRST) waitFirst++; // time for positioning of mirrors on next blob.
+            else { //mirrors are positioned: activate laser and lock in (needs time):
+                if (waitFirstLaser==0) {
+                    // activate laser - important in particular for giving time to the Lock-in to catch signal, then laser rouge:
+                    IO.setRGBPower(currentColor|0x04); // Note: RED always on...
+                }
+                if (waitFirstLaser<WAIT_FIRST_LASER) waitFirstLaser++;
+                else  {
+                    waitFirst=0;
+                    waitFirstLaser=0;
+                    stateLsd=NORMAL_POINT; // start normal point
+                }
+            }
+            break;
+    }
+}
+
+void simpleLaserSensingRenderer::laserRenderThreadONEBLOBONLY() {
+    // When we arrive here, we ASSUME the mirrors are well positioned at the currentPoint-1, so we need to process the currentPoint:
+
+    // Current mirror position:
+    x= ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[currentPoint].x;
+    y= ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[currentPoint].y;
+
+    // (2) Send command to position the mirrors to the next position:
+    IO.writeOutX(x);
+    IO.writeOutY(y);
+
+//   int delayedPoint=(currentPoint+currentMirrorDelay)%currentTotalPoints;
+
+#ifdef debugDelayMirrors
+    if ( ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[currentPoint].lightZone<0) {
+        IO.setBluePower(0);
+        // myled3=0;
+    } else {
+        IO.setBluePower(1);
+        // myled3=1;
+    }
+    //IO.setRGBPower(0x04); else  IO.setRGBPower(0x07);
+#endif
+
+    // (1) SENSING (on the current blob and particle index with mirror delay: )
+    ptBlobCfToRender->blobArray[currentBlob]->displaySensingBuffer.lsdTrajectory[currentPoint].intensity=(unsigned char)(255.0*IO.lockInCorrectedValue(x,y));
+    //=lockin.getMedianValue(); //lockin.getLastValue();//
+
+    // increment the current point index:
+    currentPoint=(currentPoint+1)%currentTotalPoints;
+
+}