main.cpp

00001 #include "mbed.h"
00002 
00003 // OLED
00004 #include "MARMEX_OB_oled.h"
00005 MARMEX_OB_oled   oled1( p5, p7, p27, p24, p26 ); // mosi, sclk, cs, rst, power_control
00006 
00007 InterruptIn button(p29);
00008 DigitalOut beep(p30);
00009 
00010 DigitalOut led(LED1);
00011 DigitalOut min(LED3);
00012 DigitalOut flash(LED4);
00013 
00014 int total_cnt = 0;
00015 int cpm_cnt = 0;
00016 int cpm_old = 0;
00017 
00018 void splash_oled(void) {
00019     oled1.background( 0x000000 );
00020     oled1.cls();
00021     
00022     oled1.locate( 0, 0 );
00023     oled1.printf( "GMT D3372 Count" );
00024     
00025     oled1.locate( 0, 1 );
00026     oled1.printf( "SPI = %s", MERMEX_OB_SPI_MODE_STR );
00027 
00028     for (int s = 1 ; s < 8 ; s++) {
00029         oled1.fill(0, MARMEX_OB_oled::HEIGHT - (s * 10),  MARMEX_OB_oled::WIDTH, 1, 0x000000ff);
00030     }
00031 }
00032 
00033 void beep_on(void) {
00034     for (int i = 1; i < 100 ; i++) {
00035         beep = 1;
00036         wait_us(500);
00037         beep = 0;
00038         wait_us(500);
00039     }
00040 }
00041 
00042 void flip() {
00043     led = !led;
00044     total_cnt++;
00045     cpm_cnt++;
00046     oled1.locate(0, 3);
00047     oled1.printf("Total:%d", total_cnt);
00048 
00049     beep_on();
00050 }
00051     
00052 int main() {
00053 
00054     int x = 0;
00055     
00056     splash_oled();
00057 
00058     beep_on();
00059     
00060     button.rise(&flip);  // attach the address of the flip function to the rising edge
00061     while(1) {
00062         if (cpm_cnt != 0) {
00063             cpm_old = cpm_cnt;
00064         }
00065         cpm_cnt = 0;
00066         for (int i = 1; i < 60; i++) {           // wait around, interrupts will interrupt this!
00067             flash = !flash;         // 1sec
00068             wait(1);
00069         }
00070         min = !min;     // 1min
00071         oled1.locate(0,4);
00072         oled1.printf("%d cpm", cpm_old);
00073         
00074         oled1.fill(x, MARMEX_OB_oled::HEIGHT - (cpm_old * 10), 1, (cpm_old * 10), 0x0000ff00);
00075         x++;
00076         if (x > MARMEX_OB_oled::WIDTH) { x = 0; }
00077     }
00078 }