5. Sample Application Specifications
20
EPSON
S5U1C17602T1100 Software Manual
5.3.9
UC51: Measure illuminance
--- Basic information ---
ID UC51
Title Measure
illuminance
Actors Operator,
ADC,
LCD
Overview
Measures illuminance and displays the results on the LCD (14seg).
Pre-conditions
This function was selected and confirmed via “UC12: Select function.”
Post-conditions
Calls “UC12: Select function.”
--- Basic flow ---
1
The system starts A/D conversion.
2
The system converts the A/D values obtained from the thermistor to illuminance.
3
The system displays the illuminance on the LCD panel.
4
The operator presses SW2 to return to function selection.
5
The system halts A/D conversion.
6
The system calls “UC12: Select function.” (To UC12)
--- Alternate flow ---
4a
If SW2 is not pressed, to basic flow 1
--- Remarks ---
Results are updated using A/D conversion complete interrupt.