Diff: main.cpp

Revision:

0:1d91b4046326

Child:

1:e981573db063

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jan 07 09:49:59 2015 +0000
@@ -0,0 +1,66 @@
+#include <string>
+#include <iostream>
+#include <iomanip>
+
+#include "MCP23017_I2C.h"
+
+/*
+ * Declare functions
+ */
+void AvailableIndicator(); // LED1 flashing for program while program is alive
+DigitalOut g_availableLed(LED1); // To verify if program in running
+Ticker g_available; // LED1 will flash with a period of 2s
+char DisplayMenuAndGetChoice();
+
+static CMCP23017_I2C g_gpioExp(p9, p10, 0x27, p15, p16, p17);
+
+int main() {
+    // Launch available indicator
+    g_available.attach(&AvailableIndicator, 2.0);
+    
+    g_gpioExp.Initialize();
+
+    while(true) {
+        switch (DisplayMenuAndGetChoice()) {
+            case 'a':
+                g_gpioExp.write(GPB0, 1);
+                break;
+            case 'b':
+                g_gpioExp.write(GPB0, 0);
+                break;
+            case 'c':
+                g_gpioExp.write(GPB2, 1);
+                break;
+            case 'd':
+                g_gpioExp.write(GPB2, 0);
+                break;
+            case 'r':
+                g_gpioExp.reset();
+                break;
+            default:
+                std::cout << "Invalid user choice\r" << std::endl;
+                break;
+        } // End of 'switch' statement
+        
+    } // End of 'while' loop
+}
+
+void AvailableIndicator()
+{
+    g_availableLed = !g_availableLed;
+} // End of AvailableIndicator
+
+char DisplayMenuAndGetChoice()
+{
+    char value;
+    std::cout << "\r" << std::endl << "\r" << std::endl << "MCP23017_I2C v0.1\r" << std::endl;
+    std::cout << "\tSet PortB-0   :\t\ta\r" << std::endl;
+    std::cout << "\tUnset PortB-0 :\t\tb\r" << std::endl;
+    std::cout << "\tUnset PortB-2 :\t\tc\r" << std::endl;
+    std::cout << "\tUnset PortB-2 :\t\td\r" << std::endl;
+    std::cout << "\tReset device  :\t\tr\r" << std::endl;
+    std::cout << "Enter your choice: " << std::flush;
+    value = getchar(); 
+    std::cout << "\r" << std::endl;
+    return value;
+}