Diff: main.cpp

Revision:

0:657424dc6103

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Jun 09 01:14:11 2017 +0000
@@ -0,0 +1,50 @@
+#include "mbed.h"
+#include "mcp3208.h"
+
+#define SAMPLING_RATE   (96000)
+#define SAMPLING_PERIOD (1.0f/SAMPLING_RATE)
+
+DigitalOut checkPin(D2);
+
+void isr()
+{
+    checkPin = 1;
+    wait_us(1);
+    checkPin = 0;
+}
+
+int main()
+{
+    SPI spiM(SPI_MOSI, SPI_MISO, SPI_SCK);
+    spiM.frequency(4000000);
+    MCP3208 mcp3208_0(spiM, D10);
+    MCP3208 mcp3208_1(spiM, D9);
+    
+    float v0[8];
+    float v1[8];
+    
+    Ticker t;
+    t.attach(&isr, SAMPLING_PERIOD);
+
+    for (;;) {
+        for (int i = 0; i < 8; i++) {
+            v0[i] = mcp3208_0.read_input(i);
+        }        
+        for (int i = 0; i < 8; i++) {
+            v1[i] = mcp3208_1.read_input(i);
+        }
+        
+        printf("Device0\t");
+        for (int i = 0; i < 8; i++) {
+            printf("%.3f\t", v0[i]);
+        }
+        printf("\r\n");
+        printf("Device1\t");
+        for (int i = 0; i < 8; i++) {
+            printf("%.3f\t", v1[i]);
+        }
+        printf("\r\n");
+        
+        wait(0.2);
+    }
+}