Diff: main.cpp

Revision:

0:2f98d8d6ef4b

Child:

1:bcf6ab734086

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Jul 26 15:46:51 2015 +0000
@@ -0,0 +1,116 @@
+/**
+ *  MFT2015 demo : shake-shake-machine 
+ *
+ *  @author  Toyomasa WATARAI
+ *  @version 1.0
+ *  @date    24-July-2015
+ *
+ *
+ */
+
+#include "mbed.h"
+#include "PCA9622_LED8x8.h"
+#include "font3x5.h"
+#include "tone_table.h"
+
+PCA9622_LED8x8  matrix(D14, D15);
+AnalogIn ain(A0);
+PwmOut out(D4);
+Serial pc(USBTX, USBRX);
+
+#define DURATION_TIME (5 * 1000) // n * milisecond
+
+void draw_number(int num);
+
+void draw_number(int num)
+{
+    float   image[8][8];
+    num %= 100;
+
+    for (int x=0; x<8; x++)
+        for (int y=0; y<8; y++)
+            image[x][y] = 0.0f;
+
+    for (int i=0; i<5; i++) {
+        for (int j=0; j<3; j++) {
+            if (((font3x5[((num/10)*3) + j]) & (1<<(4-i))) != 0) {
+                image[i+1][j+1] = (float)0.5f;
+            } else {
+                image[i+1][j+1] = (float)0.0f;
+            }
+        }
+    }
+
+    for (int i=0; i<5; i++) {
+        for (int j=0; j<3; j++) {
+            if (((font3x5[((num%10)*3) + j]) & (1<<(4-i))) != 0) {
+                image[i+1][j+5] = (float)0.5f;
+            } else {
+                image[i+1][j+5] = (float)0.0f;
+            }
+        }
+    }
+
+    matrix.set_data( image );
+}
+
+
+void count_down(int cnt)
+{
+    for(int i=cnt; i>0; i--) {
+        draw_number(i);
+        out.period_us(tone_table_us[1]);
+        out.write(0.5f);
+        wait(0.5);
+        out.period(0);
+        wait(0.5);
+    }
+    draw_number(0);
+    out.period_us(tone_table_us[13]);
+    out.write(0.5f);
+}
+
+int main()
+{
+    int count = 0;
+    float f = 0;
+    float vv;
+    Timer timer;
+
+    timer.reset();
+    matrix.start();
+
+    count_down(3);
+
+    timer.start();
+    while(1) {
+        if ( timer.read_ms() > 1000) {
+            out.period(0);
+        }
+        vv = ain.read();
+
+        if ( abs(f - vv) >= 0.015f) {
+            count++;
+            pc.printf("*");
+            draw_number(count);
+        }
+        f = vv;
+        wait(0.1);
+        if ( timer.read_ms() > DURATION_TIME) {
+            pc.printf("count = %d\n", count);
+            draw_number(count);
+            break;
+        }
+    }
+
+    out.period_us(tone_table_us[13]);
+    out.write(0.5f);
+    wait(1);
+    out.period(0);
+    
+    while(1) {
+        draw_number(count);
+        wait(1);
+        
+    }
+}