ESD Lab / Mbed 2 deprecated Lab1

-extracredit

Dependencies:   mbed

main.cpp@0:574e155464d5, 2015-01-28 (annotated)

Committer:
sheldonfernandes2404
Date:
Wed Jan 28 04:08:50 2015 +0000
Revision:
0:574e155464d5
1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sheldonfernandes2404 0:574e155464d5 1 #include "mbed.h"
sheldonfernandes2404 0:574e155464d5 2 #include "MCP23S17.h"
sheldonfernandes2404 0:574e155464d5 3
sheldonfernandes2404 0:574e155464d5 4 //------------------------------//
sheldonfernandes2404 0:574e155464d5 5 SPI spi(p5, p6, p7);
sheldonfernandes2404 0:574e155464d5 6 char Opcode1 = 0x40;
sheldonfernandes2404 0:574e155464d5 7 char Opcode2 = 0x42;
sheldonfernandes2404 0:574e155464d5 8 MCP23S17 chip1 = MCP23S17(spi, p20, Opcode1);
sheldonfernandes2404 0:574e155464d5 9 MCP23S17 chip2 = MCP23S17(spi, p20, Opcode2);
sheldonfernandes2404 0:574e155464d5 10 //-------------------------------//
sheldonfernandes2404 0:574e155464d5 11
sheldonfernandes2404 0:574e155464d5 12 int main()
sheldonfernandes2404 0:574e155464d5 13 {
sheldonfernandes2404 0:574e155464d5 14
sheldonfernandes2404 0:574e155464d5 15 chip1.direction(PORT_A, 0x00); //output
sheldonfernandes2404 0:574e155464d5 16 chip2.direction(PORT_B, 0xFF); //input
sheldonfernandes2404 0:574e155464d5 17
sheldonfernandes2404 0:574e155464d5 18 while (1) {
sheldonfernandes2404 0:574e155464d5 19
sheldonfernandes2404 0:574e155464d5 20 if(chip2.read(PORT_B)) {
sheldonfernandes2404 0:574e155464d5 21 chip1.write(PORT_A, 0x00);
sheldonfernandes2404 0:574e155464d5 22 } else {
sheldonfernandes2404 0:574e155464d5 23 chip1.write(PORT_A, 0xAA);
sheldonfernandes2404 0:574e155464d5 24 }
sheldonfernandes2404 0:574e155464d5 25
sheldonfernandes2404 0:574e155464d5 26
sheldonfernandes2404 0:574e155464d5 27 }
sheldonfernandes2404 0:574e155464d5 28
sheldonfernandes2404 0:574e155464d5 29 }