Software.md

@@ -133,7 +133,7 @@ returns the value of potentiometer A or B from 0 to fff.
 #### void HDU_HMI_setLEDs(uint8_t value)
 shows a 4-bit value on the LEDs.
 
-### Software Example
+### Example
 Get dipswitches value from the user input struct and decode it to the LEDs:
 <code>
 HDU_HMI_init();
@@ -142,7 +142,7 @@ setLEDs(HDU_HMI_userInput.dipswitches);
 </code>
 
 ## Camera reading (HDU_LINESCAN.h)
-The HDU_LINESCAN module allows to read the images of one or both linescan cameras. The reading is evaluated in the Periodic Interrupt Timer (PIT).
+The HDU_LINESCAN module allows to read the images of one or both linescan cameras synchronously. The reading is evaluated in the Periodic Interrupt Timer (PIT).
 
 ### Module documentation
 
@@ -150,6 +150,26 @@ The HDU_LINESCAN module allows to read the images of one or both linescan camera
 This struct stores the raw ADC data of each camera in an array. There is also a boolean telling if a frame is available and one boolean for each camera, which shows if it is enabled.
 
 #### void HDU_LINESCAN_init(uint64_t periodUs)
+initializes the cameras and the periodic interrupt timer. The evaluation period can be set in microseconds. 
+
+#### void HDU_LINESCAN_enableX()
+enables camera 0 or camera 1 to be evaluated.
+
+#### void HDU_LINESCAN_disableX()
+disables camera 0 or camera 1 to be not evaluated.
+
+#### HDU_LINESCAN_Data HDU_LINESCAN_capture()
+waits for an available frame and captures it.
+
+#### void HDU_LINESCAN_read()
+This function reads the camera data. It is usually executed periodically in the PIT timer and doesn't need to be called.
+
+### Example
+Capture a camera frame:
+<code>
+HDU_LINESCAN_init(50000);
+HDU_LINESCAN_Data frame = HDU_LINESCAN_capture();
+</code>
 
 ## Powertrain control (HDU_POWERTRAIN.h)