28029 Parallax Inc, 28029 Datasheet - Page 300

• Manufacturer Part Number: 28029
• Description: KIT PARTS SMART SENSORS W/TEXT
• Manufacturer: Parallax Inc

Specifications of 28029

• Accessory Type: Parts Kit
• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: BASIC Stamp® or Javelin Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 28029PAR

Page 288 · Smart Sensors and Applications
Another way of testing the display is with the alternate Main Routine shown below. It
has nested
variable values.
' -----[ Title ]--------------------------------------------------------------
' Smart Sensors and Applications - TwoAxisBarDisplay.bs2
' Displays a character that shifts both vertically and horizontally.
' {$STAMP BS2}
' {$PBASIC 2.5}
' -----[ I/O Pins ]-----------------------------------------------------------
LcdPin
' -----[ Constants ]----------------------------------------------------------
T9600
LcdCls
LcdCr
LcdOff
LcdOn
Line0
Line1
Define
√
√
√
√
√
Try the values shown in Figure 7-4 and verify that they match the displays.
Make sure to test horizontal values of 0, 8, and 16 for various vertical values.
Also test vertical values of 1, 16, and 31 for various horizontal values.
Save a copy of TwoAxisBarDisplay.bs2 as TwoAxisBarDisplayTest.bs2.
Run the modified program and watch to make sure all the values are displayed
correctly.
' -----[ Main Routine ]------------------------------------------------
DO
LOOP
FOR cursor = 0 TO 16
NEXT
FOR
FOR value = 1 TO 31
NEXT
SEROUT 14, 84, [LcdCls]
PAUSE 500
CON
...
GOSUB Bar_Graph_H_V
PAUSE 200
NEXT
PIN
CON
CON
CON
CON
CON
CON
CON
loops that test every
84
14
12
13
21
22
128
148
248
value
' True, 8-bits, no parity, 9600
variable across all the possible
' Target device = BASIC Stamp 2
' Language
' I/O pin connected to LCD's RX
' Form feed -> clear screen
' Carriage return
' Turns display off
' Turns display on
' Line 0, character 0
' Line 1, character 0
' Address defines cust char 0
= PBASIC 2.5
cursor