diff options
Diffstat (limited to 'klippy/extras/sht3x.py')
| -rw-r--r-- | klippy/extras/sht3x.py | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/klippy/extras/sht3x.py b/klippy/extras/sht3x.py index 5a8785e8..79cd7bfe 100644 --- a/klippy/extras/sht3x.py +++ b/klippy/extras/sht3x.py @@ -56,6 +56,7 @@ class SHT3X: self.reactor = self.printer.get_reactor() self.i2c = bus.MCU_I2C_from_config( config, default_addr=SHT3X_I2C_ADDR, default_speed=100000) + self._error = self.i2c.get_mcu().error self.report_time = config.getint('sht3x_report_time', 1, minval=1) self.deviceId = config.get('sensor_type') self.temp = self.min_temp = self.max_temp = self.humidity = 0. @@ -105,7 +106,20 @@ class SHT3X: def _sample_sht3x(self, eventtime): try: # Read measurment - params = self.i2c.i2c_read(SHT3X_CMD['OTHER']['FETCH'], 6) + retries = 5 + params = None + error = None + while retries > 0 and params is None: + try: + params = self.i2c.i2c_read( + SHT3X_CMD['OTHER']['FETCH'], 6, retry=False + ) + except self._error as e: + error = e + self.reactor.pause(self.reactor.monotonic() + .5) + retries -= 1 + if params is None: + raise error response = bytearray(params['response']) rtemp = response[0] << 8 |