sx1509: Wrap code to 80 columns
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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@ -37,7 +37,8 @@ class SX1509(object):
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self._last_clock = 0
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self._last_clock = 0
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self._freq = 400000 # Fixed frequency for SX1509
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self._freq = 400000 # Fixed frequency for SX1509
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# Set up registers default values
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# Set up registers default values
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self.reg_dict = {REG_DIR : 0xFFFF, REG_DATA : 0, REG_PULLUP : 0, REG_PULLDOWN : 0,
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self.reg_dict = {REG_DIR : 0xFFFF, REG_DATA : 0,
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REG_PULLUP : 0, REG_PULLDOWN : 0,
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REG_INPUT_DISABLE : 0, REG_ANALOG_DRIVER_ENABLE : 0}
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REG_INPUT_DISABLE : 0, REG_ANALOG_DRIVER_ENABLE : 0}
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self.reg_i_on_dict = {reg : 0 for reg in REG_I_ON}
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self.reg_i_on_dict = {reg : 0 for reg in REG_I_ON}
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def _build_config(self):
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def _build_config(self):
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@ -50,10 +51,12 @@ class SX1509(object):
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self._mcu.add_config_cmd("i2c_write oid=%d data=%02x%02x" % (
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self._mcu.add_config_cmd("i2c_write oid=%d data=%02x%02x" % (
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self._oid, REG_RESET, 0x34))
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self._oid, REG_RESET, 0x34))
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# Enable Oscillator
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# Enable Oscillator
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self._mcu.add_config_cmd("i2c_modify_bits oid=%d reg=%02x clear_set_bits=%02x%02x" % (
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self._mcu.add_config_cmd("i2c_modify_bits oid=%d reg=%02x"
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" clear_set_bits=%02x%02x" % (
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self._oid, REG_CLOCK, 0, (1 << 6)))
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self._oid, REG_CLOCK, 0, (1 << 6)))
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# Setup Clock Divider
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# Setup Clock Divider
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self._mcu.add_config_cmd("i2c_modify_bits oid=%d reg=%02x clear_set_bits=%02x%02x" % (
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self._mcu.add_config_cmd("i2c_modify_bits oid=%d reg=%02x"
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" clear_set_bits=%02x%02x" % (
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self._oid, REG_MISC, 0, (1 << 4)))
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self._oid, REG_MISC, 0, (1 << 4)))
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# Transfer all regs with their initial cached state
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# Transfer all regs with their initial cached state
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for _reg, _data in self.reg_dict.iteritems():
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for _reg, _data in self.reg_dict.iteritems():
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@ -95,7 +98,8 @@ class SX1509(object):
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data = [reg & 0xFF]
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data = [reg & 0xFF]
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if reg in self.reg_dict:
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if reg in self.reg_dict:
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# Word
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# Word
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data += [(self.reg_dict[reg] >> 8) & 0xFF, self.reg_dict[reg] & 0xFF]
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data += [(self.reg_dict[reg] >> 8) & 0xFF,
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self.reg_dict[reg] & 0xFF]
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elif reg in self.reg_i_on_dict:
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elif reg in self.reg_i_on_dict:
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# Byte
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# Byte
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data += [self.reg_i_on_dict[reg] & 0xFF]
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data += [self.reg_i_on_dict[reg] & 0xFF]
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@ -168,7 +172,8 @@ class SX1509_pwm(object):
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self._sx1509.set_bits_in_register(REG_INPUT_DISABLE, self._bitmask)
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self._sx1509.set_bits_in_register(REG_INPUT_DISABLE, self._bitmask)
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self._sx1509.clear_bits_in_register(REG_PULLUP, self._bitmask)
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self._sx1509.clear_bits_in_register(REG_PULLUP, self._bitmask)
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self._sx1509.clear_bits_in_register(REG_DIR, self._bitmask)
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self._sx1509.clear_bits_in_register(REG_DIR, self._bitmask)
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self._sx1509.set_bits_in_register(REG_ANALOG_DRIVER_ENABLE, self._bitmask)
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self._sx1509.set_bits_in_register(REG_ANALOG_DRIVER_ENABLE,
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self._bitmask)
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self._sx1509.clear_bits_in_register(REG_DATA, self._bitmask)
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self._sx1509.clear_bits_in_register(REG_DATA, self._bitmask)
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def _build_config(self):
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def _build_config(self):
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if not self._hardware_pwm:
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if not self._hardware_pwm:
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@ -176,7 +181,8 @@ class SX1509_pwm(object):
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if self._max_duration:
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if self._max_duration:
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raise pins.error("SX1509 pins are not suitable for heaters")
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raise pins.error("SX1509 pins are not suitable for heaters")
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# Send initial value
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# Send initial value
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self._sx1509.set_register(self._i_on_reg, ~int(255 * self._start_value) & 0xFF)
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self._sx1509.set_register(self._i_on_reg,
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~int(255 * self._start_value) & 0xFF)
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self._mcu.add_config_cmd("i2c_write oid=%d data=%02x%02x" % (
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self._mcu.add_config_cmd("i2c_write oid=%d data=%02x%02x" % (
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self._sx1509.get_oid(),
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self._sx1509.get_oid(),
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self._i_on_reg,
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self._i_on_reg,
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