finished lradc api docs

docs/lradc.md

@@ -1,4 +1,6 @@
 ## CHIP_IO.LRADC
+The LRADC module handles interfacing with the onboard 6-Bit, 2V tolerant ADC in the R8/GR8.
+
 Import the LRADC module as follows
 
   ```python
@@ -12,10 +14,187 @@ Enable/Disable the Debug
   
   None
 
+* Returns
+
+  None
+
 * Examples
 
   ```python
   LRADC.toggle_debug()
   ```
 
+### get_device_exist()
+Check to see if the LRADC device exists
+
+* Parameters
+  
+  None
+
+* Returns
+
+  boolean - True if LRADC is enabled, False is LRADC is disabled
+
+* Examples
+
+  ```python
+  LRADC.get_device_exist()
+  ```
+
+### setup(rate=250)
+Setup the LRADC, defaults to a sampling rate of 250.
+
+* Parameters
+  
+  rate (optional) - Sampling rate of the LRADC: 32.25, 62.5, 125, 250
+
+* Returns
+
+  boolean - True if LRADC is enabled, False is LRADC is disabled
+
+* Examples
+
+  ```python
+  LRADC.setup()
+  LRADC.setup(32.25)
+  ```
+
+### get_scale_factor()
+Get the scaling factor applied to raw values from the LRADC
+
+* Parameters
+  
+  None
+
+* Returns
+
+  float - scale factor applied to the LRADC Raw data
+
+* Examples
+
+  ```python
+  factor = LRADC.get_scale_factor()
+  print(factor)
+  ```
+
+### get_allowable_sample_rates()
+Get the allowable sample rates for the LRADC
+
+* Parameters
+  
+  None
+
+* Returns
+
+  tuple - sampling rates of the LRADC
+
+* Examples
+
+  ```python
+  rates = LRADC.get_allowable_sample_rates()
+  print(rates)
+  ```
+
+### set_sample_rate(rate)
+Set the current sample rates for the LRADC
+
+* Parameters
+  
+  rate - Sample rate, only rates allowable by the LRADC
+
+* Returns
+
+  float - current sampling rate of the LRADC
+
+* Examples
+
+  ```python
+  curr_rate = LRADC.set_sample_rate(125.0)
+  ```
+
+### get_sample_rate()
+Get the current sample rates for the LRADC
+
+* Parameters
+  
+  None
+
+* Returns
+
+  float - current sampling rate of the LRADC
+
+* Examples
+
+  ```python
+  curr_rate = LRADC.get_sample_rate()
+  ```
+
+### get_chan0_raw()
+Get the raw value for LRADC Channel 0
+
+* Parameters
+  
+  None
+
+* Returns
+
+  float - current raw value of LRADC Channel 0
+
+* Examples
+
+  ```python
+  dat = LRADC.get_chan0_raw()
+  ```
+
+### get_chan1_raw()
+Get the raw value for LRADC Channel 1
+
+* Parameters
+  
+  None
+
+* Returns
+
+  float - current raw value of LRADC Channel 1
+
+* Examples
+
+  ```python
+  dat = LRADC.get_chan1_raw()
+  ```
+
+### get_chan0()
+Get the value for LRADC Channel 0
+
+* Parameters
+  
+  None
+
+* Returns
+
+  float - current value of LRADC Channel 0
+
+* Examples
+
+  ```python
+  dat = LRADC.get_chan0()
+  ```
+
+### get_chan1
+Get the value for LRADC Channel 1
+
+* Parameters
+  
+  None
+
+* Returns
+
+  float - current value of LRADC Channel 1
+
+* Examples
+
+  ```python
+  dat = LRADC.get_chan1()
+  ```
+
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