Diff: main.cpp

Revision:

0:45c3dda8ec79

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Nov 24 04:12:38 2017 +0000
@@ -0,0 +1,65 @@
+
+#include "mbed.h"
+#include "MCP4922.h"
+
+MCP4922 MCP(SPI_MOSI, SPI_SCK,SPI_CS);  // MOSI, SCLK, CS
+
+
+/**** Main Function  ***/
+int main(void)
+{
+    MCP.frequency(1000000);
+    int gs = 0;
+    int i = 0;
+    uint8_t state1=0;
+    uint8_t state2=0;
+    
+    while(1) {
+        
+        if (gs==0){
+            if(i <= 745) {
+                i++;
+
+        } 
+            else {
+                i=0;
+                state1 = ~state1;
+        }
+
+            if(state1 ==0) {
+                MCP.writeA(i);
+        } 
+            else {
+                MCP.writeA(745-i);
+                if(745-i==0){
+                    gs=1;
+                    state1=0;
+                    i=0;
+                }
+        }
+            wait_us(1);
+    }
+        if(gs==1){
+            if(i<=745){
+                i++;
+            }
+            else {
+                i=0;
+                state2 = ~state2;
+        }
+            if(state2 ==0) {
+                MCP.writeA(1490-i);
+        } 
+            else {
+                MCP.writeA(i+745);
+                if(i==746){
+                    gs=0;
+                    state2=0;
+                    i=0;
+                }
+        }
+            wait_us(1);
+    }
+}
+
+}
\ No newline at end of file