can‘t sync to target.

文章讲述了用户在尝试使用飞翔仿真器与S12单片机进行通信时遇到的cantsynctotarget错误,经过检查硬件未发现问题。最终通过调整仿真器的设置速度,根据实际晶振值成功解决了连接问题。

飞翔仿真器 无法 与S12单片机 建立联系,仿真时显示 can't sync to target.

但是使用仿真器与其他板子连接仿真是没问题的。

首先怀疑硬件问题:没发现问题;

然后,勇敢的点击菜单中 

设置速度,根据自己晶振和建议设置如下,没想到,OK了,哈哈哈

D:\opencvBuild>mingw32-make -j -8 mingw32-make: invalid option -- 8 Usage: mingw32-make [options] [target] ... Options: -b, -m Ignored for compatibility. -B, --always-make Unconditionally make all targets. -C DIRECTORY, --directory=DIRECTORY Change to DIRECTORY before doing anything. -d Print lots of debugging information. --debug[=FLAGS] Print various types of debugging information. -e, --environment-overrides Environment variables override makefiles. --eval=STRING Evaluate STRING as a makefile statement. -f FILE, --file=FILE, --makefile=FILE Read FILE as a makefile. -h, --help Print this message and exit. -i, --ignore-errors Ignore errors from recipes. -I DIRECTORY, --include-dir=DIRECTORY Search DIRECTORY for included makefiles. -j [N], --jobs[=N] Allow N jobs at once; infinite jobs with no arg. -k, --keep-going Keep going when some targets can't be made. -l [N], --load-average[=N], --max-load[=N] Don't start multiple jobs unless load is below N. -L, --check-symlink-times Use the latest mtime between symlinks and target. -n, --just-print, --dry-run, --recon Don't actually run any recipe; just print them. -o FILE, --old-file=FILE, --assume-old=FILE Consider FILE to be very old and don't remake it. -O[TYPE], --output-sync[=TYPE] Synchronize output of parallel jobs by TYPE. -p, --print-data-base Print make's internal database. -q, --question Run no recipe; exit status says if up to date. -r, --no-builtin-rules Disable the built-in implicit rules. -R, --no-builtin-variables Disable the built-in variable settings. -s, --silent, --quiet
08-20
我在cmake之后想要make -j$(nproc)编译,但是并没有编译D:\third_party\ceres-solver\cmake_build>make -j$(nproc) make: the '-j' option requires a positive integer argument Usage: make [options] [target] ... Options: -b, -m Ignored for compatibility. -B, --always-make Unconditionally make all targets. -C DIRECTORY, --directory=DIRECTORY Change to DIRECTORY before doing anything. -d Print lots of debugging information. --debug[=FLAGS] Print various types of debugging information. -e, --environment-overrides Environment variables override makefiles. -E STRING, --eval=STRING Evaluate STRING as a makefile statement. -f FILE, --file=FILE, --makefile=FILE Read FILE as a makefile. -h, --help Print this message and exit. -i, --ignore-errors Ignore errors from recipes. -I DIRECTORY, --include-dir=DIRECTORY Search DIRECTORY for included makefiles. -j [N], --jobs[=N] Allow N jobs at once; infinite jobs with no arg. --jobserver-style=STYLE Select the style of jobserver to use. -k, --keep-going Keep going when some targets can't be made. -l [N], --load-average[=N], --max-load[=N] Don't start multiple jobs unless load is below N. -L, --check-symlink-times Use the latest mtime between symlinks and target. -n, --just-print, --dry-run, --recon Don't actually run any recipe; just print them. -o FILE, --old-file=FILE, --assume-old=FILE Consider FILE to be very old and don't remake it. -O[TYPE], --output-sync[=TYPE] Synchronize output of parallel jobs by TYPE. -p, --print-data-base Print make's internal database. -q, --question Run no recipe; exit status says if up to date. -r, --no-builtin-rules Disable the built-in implicit rules. -R, --no-builtin-variables Disable the built-in variable settings. --shuffle[={SEED|random|reverse|none}] Perform shuffle of prerequisites and goals. -s, --silent, --quiet Don't echo recipes. --no-silent Echo recipes (disable --silent mode). -S, --no-keep-going, --stop Turns off -k. -t, --touch Touch targets instead of remaking them. --trace Print tracing information. -v, --version Print the version number of make and exit. -w, --print-directory Print the current directory. --no-print-directory Turn off -w, even if it was turned on implicitly. -W FILE, --what-if=FILE, --new-file=FILE, --assume-new=FILE Consider FILE to be infinitely new. --warn-undefined-variables Warn when an undefined variable is referenced. This program built for x86_64-pc-msys Report bugs to <bug-make@gnu.org>
08-01
public boolean dispatchTouchEvent(MotionEvent ev) { if (mInputEventConsistencyVerifier != null) { mInputEventConsistencyVerifier.onTouchEvent(ev, 1); } // If the event targets the accessibility focused view and this is it, start // normal event dispatch. Maybe a descendant is what will handle the click. if (ev.isTargetAccessibilityFocus() && isAccessibilityFocusedViewOrHost()) { ev.setTargetAccessibilityFocus(false); } boolean handled = false; if (onFilterTouchEventForSecurity(ev)) { final int action = ev.getAction(); final int actionMasked = action & MotionEvent.ACTION_MASK; // Handle an initial down. if (actionMasked == MotionEvent.ACTION_DOWN) { // Throw away all previous state when starting a new touch gesture. // The framework may have dropped the up or cancel event for the previous gesture // due to an app switch, ANR, or some other state change. cancelAndClearTouchTargets(ev); resetTouchState(); } // Check for interception. final boolean intercepted; ViewRootImpl viewRootImpl = getViewRootImpl(); if (actionMasked == MotionEvent.ACTION_DOWN || mFirstTouchTarget != null) { final boolean disallowIntercept = (mGroupFlags & FLAG_DISALLOW_INTERCEPT) != 0; final boolean isBackGestureInProgress = (viewRootImpl != null && viewRootImpl.getOnBackInvokedDispatcher().isBackGestureInProgress()); if (!disallowIntercept || isBackGestureInProgress) { // Allow back to intercept touch intercepted = onInterceptTouchEvent(ev); ev.setAction(action); // restore action in case it was changed } else { intercepted = false; } } else { // There are no touch targets and this action is not an initial down // so this view group continues to intercept touches. intercepted = true; } // If intercepted, start normal event dispatch. Also if there is already // a view that is handling the gesture, do normal event dispatch. if (intercepted || mFirstTouchTarget != null) { ev.setTargetAccessibilityFocus(false); } // Check for cancelation. final boolean canceled = resetCancelNextUpFlag(this) || actionMasked == MotionEvent.ACTION_CANCEL; // Update list of touch targets for pointer down, if needed. final boolean isMouseEvent = ev.getSource() == InputDevice.SOURCE_MOUSE; final boolean split = (mGroupFlags & FLAG_SPLIT_MOTION_EVENTS) != 0 && !isMouseEvent; TouchTarget newTouchTarget = null; boolean alreadyDispatchedToNewTouchTarget = false; if (!canceled && !intercepted) { // If the event is targeting accessibility focus we give it to the // view that has accessibility focus and if it does not handle it // we clear the flag and dispatch the event to all children as usual. // We are looking up the accessibility focused host to avoid keeping // state since these events are very rare. View childWithAccessibilityFocus = ev.isTargetAccessibilityFocus() ? findChildWithAccessibilityFocus() : null; if (actionMasked == MotionEvent.ACTION_DOWN || (split && actionMasked == MotionEvent.ACTION_POINTER_DOWN) || actionMasked == MotionEvent.ACTION_HOVER_MOVE) { final int actionIndex = ev.getActionIndex(); // always 0 for down final int idBitsToAssign = split ? 1 << ev.getPointerId(actionIndex) : TouchTarget.ALL_POINTER_IDS; // Clean up earlier touch targets for this pointer id in case they // have become out of sync. removePointersFromTouchTargets(idBitsToAssign); final int childrenCount = mChildrenCount; if (newTouchTarget == null && childrenCount != 0) { final float x = ev.getXDispatchLocation(actionIndex); final float y = ev.getYDispatchLocation(actionIndex); // Find a child that can receive the event. // Scan children from front to back. final ArrayList<View> preorderedList = buildTouchDispatchChildList(); final boolean customOrder = preorderedList == null && isChildrenDrawingOrderEnabled(); final View[] children = mChildren; for (int i = childrenCount - 1; i >= 0; i--) { final int childIndex = getAndVerifyPreorderedIndex( childrenCount, i, customOrder); final View child = getAndVerifyPreorderedView( preorderedList, children, childIndex); // If there is a view that has accessibility focus we want it // to get the event first and if not handled we will perform a // normal dispatch. We may do a double iteration but this is // safer given the timeframe. if (childWithAccessibilityFocus != null) { if (childWithAccessibilityFocus != child) { continue; } childWithAccessibilityFocus = null; i = childrenCount; } if (!child.canReceivePointerEvents() || !isTransformedTouchPointInView(x, y, child, null)) { ev.setTargetAccessibilityFocus(false); continue; } newTouchTarget = getTouchTarget(child); if (newTouchTarget != null) { // Child is already receiving touch within its bounds. // Give it the new pointer in addition to the ones it is handling. newTouchTarget.pointerIdBits |= idBitsToAssign; break; } resetCancelNextUpFlag(child); if (dispatchTransformedTouchEvent(ev, false, child, idBitsToAssign)) { // Child wants to receive touch within its bounds. mLastTouchDownTime = ev.getDownTime(); if (preorderedList != null) { // childIndex points into presorted list, find original index for (int j = 0; j < childrenCount; j++) { if (children[childIndex] == mChildren[j]) { mLastTouchDownIndex = j; break; } } } else { mLastTouchDownIndex = childIndex; } mLastTouchDownX = x; mLastTouchDownY = y; newTouchTarget = addTouchTarget(child, idBitsToAssign); alreadyDispatchedToNewTouchTarget = true; break; } // The accessibility focus didn't handle the event, so clear // the flag and do a normal dispatch to all children. ev.setTargetAccessibilityFocus(false); } if (preorderedList != null) preorderedList.clear(); } if (newTouchTarget == null && mFirstTouchTarget != null) { // Did not find a child to receive the event. // Assign the pointer to the least recently added target. newTouchTarget = mFirstTouchTarget; while (newTouchTarget.next != null) { newTouchTarget = newTouchTarget.next; } newTouchTarget.pointerIdBits |= idBitsToAssign; } } } // Dispatch to touch targets. if (mFirstTouchTarget == null) { // No touch targets so treat this as an ordinary view. handled = dispatchTransformedTouchEvent(ev, canceled, null, TouchTarget.ALL_POINTER_IDS); } else { // Dispatch to touch targets, excluding the new touch target if we already // dispatched to it. Cancel touch targets if necessary. TouchTarget predecessor = null; TouchTarget target = mFirstTouchTarget; while (target != null) { final TouchTarget next = target.next; if (alreadyDispatchedToNewTouchTarget && target == newTouchTarget) { handled = true; } else { final boolean cancelChild = resetCancelNextUpFlag(target.child) || intercepted; if (dispatchTransformedTouchEvent(ev, cancelChild, target.child, target.pointerIdBits)) { handled = true; } if (cancelChild) { if (predecessor == null) { mFirstTouchTarget = next; } else { predecessor.next = next; } target.recycle(); target = next; continue; } } predecessor = target; target = next; } } // Update list of touch targets for pointer up or cancel, if needed. if (canceled || actionMasked == MotionEvent.ACTION_UP || actionMasked == MotionEvent.ACTION_HOVER_MOVE) { resetTouchState(); } else if (split && actionMasked == MotionEvent.ACTION_POINTER_UP) { final int actionIndex = ev.getActionIndex(); final int idBitsToRemove = 1 << ev.getPointerId(actionIndex); removePointersFromTouchTargets(idBitsToRemove); } } if (!handled && mInputEventConsistencyVerifier != null) { mInputEventConsistencyVerifier.onUnhandledEvent(ev, 1); } return handled; }这是viewgroup.java里的dispatchtouchevent()方法,给我一个超级详细的解析
09-04
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