Diff: main.cpp

Revision:

0:9f7e104e4cb9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Feb 02 14:01:48 2017 +0000
@@ -0,0 +1,35 @@
+/* ELEC1620 Lab 2 Task 2
+
+Currency Converter
+
+(c) Dr Craig A. Evans, Feb 2017
+
+*/
+
+#include "mbed.h"
+
+// use pre-processor defines to set the conversion rate
+#define GBP2USD 1.26
+#define GBP2EUR 1.16
+#define GBP2CNY 8.65
+#define GBP2SAR 4.71
+
+int main()
+{
+    printf("#### Currency Converter App ####\n\n");
+    // current compiler version does not require 'f' flag for floating-point literals
+    float gbp_value = 69.99;
+
+    // do conversions
+    float usd_value = GBP2USD * gbp_value;
+    float eur_value = GBP2EUR * gbp_value;
+    float cny_value = GBP2CNY * gbp_value;
+    float sar_value = GBP2SAR * gbp_value;
+
+    // print over serial 
+    printf("GBP %.2f is equivalent to USD %.2f\n",gbp_value,usd_value);
+    printf("GBP %.2f is equivalent to EUR %.2f\n",gbp_value,eur_value);
+    printf("GBP %.2f is equivalent to CNY %.2f\n",gbp_value,cny_value);
+    printf("GBP %.2f is equivalent to SAR %.2f\n",gbp_value,sar_value);
+
+}