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pyboard.py Fix for rshell issue #7 #12

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pyboard.py Fix for rshell issue #7 #12

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17 changes: 16 additions & 1 deletion rshell/pyboard.py
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Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,22 @@ def __init__(self, device, baudrate=115200, user='micro', password='python'):
self.serial = TelnetToSerial(device, user, password, read_timeout=10)
else:
import serial
self.serial = serial.Serial(device, baudrate=baudrate, interCharTimeout=1)
done = False
for attempt in range(20):
try:
self.serial = serial.Serial(device, baudrate=baudrate, interCharTimeout=1)
done = True
break
except OSError:
if attempt == 0:
sys.stdout.write('Waiting for pyboard ')
time.sleep(1)
sys.stdout.write('.')
sys.stdout.flush()
print()
if not done:
print("Failed to access device")
sys.exit(1)

def close(self):
self.serial.close()
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