Diff: main.cpp

Revision:

0:c48a4735d25f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Mar 06 22:00:20 2015 +0000
@@ -0,0 +1,33 @@
+#include "mbed.h"
+#include "tsi_sensor.h"
+#define ELEC0 9    // Pin connections for touch sensor
+#define ELEC1 10
+ 
+SPI spi(PTD2, PTD3, PTD1); // mosi, miso, sclk
+DigitalOut cs(PTD0);
+TSIAnalogSlider tsi(ELEC0, ELEC1, 40);
+Serial pc(USBTX, USBRX); // Configure PC UART
+ 
+int main() {
+    
+    // Configure PC/Serial Connection
+    pc.baud(9600);
+    char slidervalue = 0;
+    char responsevalue = 0;
+    // Chip must be deselected
+    cs = 1;
+    // Setup the spi for 8 bit data, high steady state clock,
+    // second edge capture, with a 1MHz clock rate
+    spi.format(8,3);
+    spi.frequency(1000000);
+ 
+    while(true) {        
+        slidervalue = (char)(254 * tsi.readPercentage() + 1); // Get value from Cap. Touch
+        cs = 0; // Select the device by seting chip select low
+        spi.write(slidervalue); // Send slider percentage in a single byte
+        responsevalue = spi.write(0x00); // Send slider percentage in a single byte
+        pc.printf("LED Adjusted to = 0x%X\n\r", responsevalue); // Print to PC/Serial
+        // Deselect the device
+        cs = 1;
+    }
+}
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