Diff: main.cpp

Revision:

0:dea39d2fe9dd

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Nov 11 14:02:08 2013 +0000
@@ -0,0 +1,57 @@
+#include <mbed.h>
+//SPI spi(p5, p6, p7); // mosi, miso, sclk
+SPI spi(p11, p12, p13); // mosi, miso, sclk
+DigitalOut cs(p8);
+ 
+ void setupBigRelais()
+ {
+   cs = 1; //Cheap Select sur p8
+     // 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);//freq 1MHz
+ 
+    // Select the device by seting chip select low
+    cs = 0;
+    wait(0.0001);
+    spi.write(0x9c);// addressz de la carte relais
+    wait(0.0001);
+    spi.write(0x30);//adresse du registre de direction
+    wait(0.0001);
+    spi.write(0xFF);//mise en sortie des relais
+    wait(0.0001);
+       }
+       
+ void commandBigRelais(int relay,int state)
+ {
+ int output;
+ relay=relay|0x20;
+ if (state == 1) output=0xFF;
+ if (state == 0) output=0x00;
+ 
+    cs = 0;
+    wait(0.0001);
+    spi.write(0x9c);// addressz de la carte relais
+    wait(0.0001);
+    spi.write(relay);
+    wait(0.0001);
+    spi.write(output);
+    wait(0.0001);
+    cs = 1;
+  }
+ 
+ 
+int main() {
+    setupBigRelais();
+    
+    while (1)
+    {
+    commandBigRelais(4,1);
+    
+  wait(5);
+  commandBigRelais(4,0);
+  
+    wait(5);
+     }
+ 
+ }   
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