4180 LabTeam - Spring '18 / Mbed 2 deprecated Lab1_Part72

Lab1_Part7

Dependencies:   MCP23S17 mbed

Fork of MCP23S17_Basic_IO_Demo by jim hamblen

Files at this revision

API Documentation at this revision

Revision 4:58a089a8b601, committed 2018-01-31

Comitter:
bjs9
Date:
Wed Jan 31 06:14:18 2018 +0000
Parent:
3:bdc6c6bafe13
Child:
5:ec6bfed1bada
Commit message:
changes;

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Wed Jan 31 06:10:23 2018 +0000
+++ b/main.cpp	Wed Jan 31 06:14:18 2018 +0000
@@ -51,13 +51,13 @@
 //  Start Loopback test sending out and reading back values
 //  loopback test uses A0 and B0 pins - so use a wire to jumper those two pins on MCP23S17 together
     while (1) {
-        B0 = chip.read(PORT_B)& 0x01;
-        if (B0 == 0)
-        {
-            chip.write(PORT_A,1); // output 1 at A0 to light up LED 
-        } else {
-            chip.write(PORT_A,0); // turn off LED
-        }
+        led1= chip.read(PORT_B)& 0x01;
+       // if (B0 == 0)
+        //{
+        //    chip.write(PORT_A,1); // output 1 at A0 to light up LED 
+        //} else {
+        //    chip.write(PORT_A,0); // turn off LED
+       // }
         // write 0xAA to MCP23S17 Port A
        // chip.write(PORT_A, 0xAA);
         //wait(.5);