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@ -13,7 +13,7 @@ if __debug__:
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paused_tasks = {} # {message interface: [task]}
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schedule_counter = 0
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scheduled_tasks = [] # heap: [(time, counter, task, value)]
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scheduled_tasks = [] # heap: [(deadline, counter, task, value)]
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MAX_SELECT_DELAY = const(1000000)
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# message interfaces:
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@ -26,11 +26,11 @@ TOUCH_MOVE = const(2) # event
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TOUCH_END = const(4) # event
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def schedule_task(task, value=None, time=None):
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def schedule_task(task, value=None, deadline=None):
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global schedule_counter
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if time is None:
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time = utime.ticks_us()
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heappush(scheduled_tasks, (time, schedule_counter, task, value))
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if deadline is None:
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deadline = utime.ticks_us()
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heappush(scheduled_tasks, (deadline, schedule_counter, task, value))
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schedule_counter += 1
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@ -94,8 +94,8 @@ def run_forever():
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global log_delay_pos
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while True:
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if scheduled_tasks:
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t, _, _, _ = scheduled_tasks[0]
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delay = t - utime.ticks_us()
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deadline = scheduled_tasks[0][0]
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delay = utime.ticks_diff(deadline, utime.ticks_us())
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else:
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delay = MAX_SELECT_DELAY
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if __debug__:
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@ -118,10 +118,10 @@ class Syscall():
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class Sleep(Syscall):
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def __init__(self, delay_us):
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self.time = delay_us + utime.ticks_us()
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self.deadline = utime.ticks_add(utime.ticks_us(), delay_us)
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def handle(self, task):
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schedule_task(task, self, self.time)
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schedule_task(task, self, self.deadline)
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class Select(Syscall):
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