Diff: main.cpp

Revision:

0:60658097abea

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Nov 03 16:56:02 2014 +0000
@@ -0,0 +1,47 @@
+#include "mbed.h"
+#include "USBKeyboard.h"
+
+SPI spi(PTD2, PTD3, PTD1); // mosi, miso, sclk
+DigitalOut csADC(PTD0); // chip select for the ADC
+DigitalOut csDAC(PTD5); // chip select for the DAC
+AnalogOut test_out(PTE30); // analog out
+AnalogIn test_in(PTB0); // analog in
+USBKeyboard keyboard;
+
+PwmOut rled(LED_RED);
+//PwmOut gled(LED_GREEN);
+//PwmOut bled(LED_BLUE);
+
+int main() {
+
+    rled = 1.0;
+    //spi.format(8,0);
+    //spi.frequency(1000000);
+
+    csADC = 1;
+    csDAC = 1;
+    test_sig = 0.1;
+    wait(0.1);
+    csDAC = 0;
+    int intermediary = spi.write(0xFF);
+    wait(0.01);
+    csDAC = 1;
+    csADC = 0;
+    int out = spi.write(0x00);
+    csADC = 1;
+    test_out.write(0.01);
+    
+    while(1) {
+        //test_out.write(0.01);
+        //keyboard.printf("%f ",test_in.read());
+        //keyboard.printf("%f \n",test_out.read());
+        float th_low = test_out.read()*0.8;
+        float th_high = test_out.read()*1.2;
+        if ((test_in.read() > th_low) && (test_in.read() < th_high))
+                rled = 0.0;
+        else
+            rled = 1.0;
+        //keyboard.printf("%f ", th_low); keyboard.printf("%f ", test_in.read()); keyboard.printf("%f \n", th_high);
+        wait(0.5);
+    }    
+}
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