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Code Issues Releases Wiki Activity

loop: use ticks_add, ticks_diff

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This commit is contained in:
Jan Pochyla 2016-11-12 12:22:05 +01:00
parent f2a0132502
commit 5889d0c932
1 changed files with 9 additions and 9 deletions
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18
src/trezor/loop.py
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@ -13,7 +13,7 @@ if __debug__:
paused_tasks = {} # {message interface: [task]}
schedule_counter = 0
scheduled_tasks = [] # heap: [(time, counter, task, value)]
scheduled_tasks = [] # heap: [(deadline, counter, task, value)]
MAX_SELECT_DELAY = const(1000000)
# message interfaces:
@ -26,11 +26,11 @@ TOUCH_MOVE = const(2) # event
TOUCH_END = const(4) # event
def schedule_task(task, value=None, time=None):
def schedule_task(task, value=None, deadline=None):
global schedule_counter
if time is None:
time = utime.ticks_us()
heappush(scheduled_tasks, (time, schedule_counter, task, value))
if deadline is None:
deadline = utime.ticks_us()
heappush(scheduled_tasks, (deadline, schedule_counter, task, value))
schedule_counter += 1
@ -94,8 +94,8 @@ def run_forever():
global log_delay_pos
while True:
if scheduled_tasks:
t, _, _, _ = scheduled_tasks[0]
delay = t - utime.ticks_us()
deadline = scheduled_tasks[0][0]
delay = utime.ticks_diff(deadline, utime.ticks_us())
else:
delay = MAX_SELECT_DELAY
if __debug__:
@ -118,10 +118,10 @@ class Syscall():
class Sleep(Syscall):
def __init__(self, delay_us):
self.time = delay_us + utime.ticks_us()
self.deadline = utime.ticks_add(utime.ticks_us(), delay_us)
def handle(self, task):
schedule_task(task, self, self.time)
schedule_task(task, self, self.deadline)
class Select(Syscall):