擅长:python、mysql、java
<p>你只需要使用一个状态变量来跟踪你是否达到了150伏。像这样:</p>
<pre><code>with open('logfile.txt', 'w') as f:
reachedPeak = False
while True:
volts = adc.readADCDifferential01(1056, 8)
if volts > 150:
reachedPeak = True
print >> f, time(), volts
if volts < 150 and reachedPeak:
sys.exit()
</code></pre>