Remove power() from imu.py

It has some edge cases with the rate functions. We could handle them, but that's more effort than just removing power(). It's not really needed for the XRP, but users can still reduce power consumption by sending '0Hz' to the rate functions.

Author: sfe-SparkFro

XRPLib/imu.py

@@ -40,11 +40,6 @@ def __init__(self, scl_pin: int, sda_pin: int, addr):
         # Vector of IMU measurements
         self.irq_v = [[0, 0, 0], [0, 0, 0]]
 
-        # Power control
-        self._power = True
-        self._power_a = 0x10
-        self._power_g = 0x10
-        
         # Copies of registers. Bytes and structs share the same memory
         # addresses, so changing one changes the other
         self.reg_ctrl1_xl_byte   = bytearray(1)
@@ -423,27 +418,6 @@ def gyro_rate(self, value=None):
             self.timer_frequency = int(value.rstrip('Hz'))
             self._start_timer()
 
-    def power(self, on:bool=None):
-        """
-        Turn the LSM6DSO on or off.
-        Pass in no parameters to retrieve the current value
-
-        :param on: Whether to turn the LSM6DSO on or off, or None
-        :type on: bool (or None)
-        """
-        if on is None:
-            return self._power
-        else:
-            self._power = on
-            if on:
-                self._r_w_reg(LSM_REG_CTRL1_XL, self._power_a, 0x0F)
-                self._r_w_reg(LSM_REG_CTRL2_G, self._power_g, 0x0F)
-            else:
-                self._power_a = self._getreg(LSM_REG_CTRL1_XL) & 0xF0
-                self._power_g = self._getreg(LSM_REG_CTRL2_G) & 0xF0
-                self._r_w_reg(LSM_REG_CTRL1_XL, 0, 0x0F)
-                self._r_w_reg(LSM_REG_CTRL2_G, 0, 0x0F)
-
     def calibrate(self, calibration_time:float=1, vertical_axis:int= 2):
         """
         Collect readings for [calibration_time] seconds and calibrate the IMU based on those readings