Diff: lab2.cpp

Revision:

0:bfa79f935a5b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lab2.cpp	Tue Oct 31 14:11:46 2017 +0000
@@ -0,0 +1,72 @@
+#include "mbed.h"
+
+AnalogIn analog_value(A1);
+BusOut segOut1(D11, D10);
+BusOut segOut2(D15, D14,D13,D12);
+BusOut lab1(D9, D8, D7, D6, D5, D4, D3, D2);
+DigitalIn Inled(USER_BUTTON);
+Serial pc(SERIAL_TX, SERIAL_RX);
+
+void segment()
+{
+    float analog;
+    analog = analog_value.read();
+    int volt = analog * 3300;
+    int divide = volt/1000;
+    int unit = (volt % 1000)/100;
+    segOut1 = divide;
+    segOut2 = unit;
+    lab1 = 0;
+//    wait(0.4);
+}
+
+void ledout()
+{
+    float analog;
+    int volt33000,bin_value;
+    analog = analog_value.read();
+    volt33000 = analog*33000;
+
+    if (volt33000 >= 33000/8*8) {
+        bin_value = 256-1;
+    } else if (volt33000 >= 33000/8*7) {
+        bin_value = 128-1;
+    } else if (volt33000 >= 33000/8*6) {
+        bin_value = 64-1;
+    } else if (volt33000 >= 33000/8*5) {
+        bin_value = 32-1;
+    } else if (volt33000 >= 33000/8*4) {
+        bin_value = 16-1;
+    } else if (volt33000 >= 33000/8*3) {
+        bin_value = 8-1;
+    } else if (volt33000 >= 33000/8*2) {
+        bin_value = 4-1;
+    } else if (volt33000 >= 33000/8*1) {
+        bin_value = 2-1;
+    } else if (volt33000 >= 33000/8*0) {
+        bin_value = 1-1;
+    }
+    lab1 = bin_value;
+    segOut1 = 0;
+    segOut2 = 0;
+
+}
+
+int main()
+{
+    int state = 0;
+
+    while(1) {
+        if (Inled == 0 && state == 1) {
+            state = 0; //lab1
+        } else if (Inled == 0 && state == 0) {
+            state = 1; //lab2
+        }
+
+        if (state == 0) {
+            ledout();
+        } else if (state == 1) {
+            segment();
+        }
+    }
+}