Revision 0:73793c67337f, committed 2017-03-07

Comitter:

jangelgm

Date:

Tue Mar 07 11:33:50 2017 +0000

Commit message:

7_2_slave

Changed in this revision

diff -r 000000000000 -r 73793c67337f main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Mar 07 11:33:50 2017 +0000
@@ -0,0 +1,41 @@
+ /* Sets the mbed up as Slave, and exchanges data with a Master,
+sending its own switch positions, and displaying those of the Master. as SPI slave
+ */
+#include "mbed.h"
+SPISlave ser_port(p11, p12, p13, p14); //mosi, miso, sclk, ssel
+DigitalOut red_led(p25); //red led
+DigitalOut green_led(p26); //green led
+
+DigitalIn switch_ip1(p5);
+DigitalIn switch_ip2(p6);
+
+char switch_word ; //word we will send
+char recd_val; //value return from slave
+
+ int main() 
+ {
+//default formatting applied
+    while(1) {
+        //set up switch_word from switches that are pressed
+        switch_word=0xa0; //set up a recognizable output pattern
+        if (switch_ip1==1)
+            switch_word=switch_word | 0x01; 
+        if (switch_ip2==1)
+            switch_word=switch_word | 0x02;
+        if(ser_port.receive()) { //test if data transfer has occurred
+            recd_val = ser_port.read(); // Read byte from master
+            ser_port.reply(switch_word); // Make this the next reply
+                            }
+        red_led=0; //preset both to 0
+        green_led=0;
+        recd_val=recd_val & 0x03; //AND out unwanted bits
+        if (recd_val==1)
+            red_led=1;
+        if (recd_val==2)
+            green_led=1;
+        if (recd_val==3){
+            red_led=1;
+            green_led=1;
+                    }
+    }
+}
\ No newline at end of file

diff -r 000000000000 -r 73793c67337f mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue Mar 07 11:33:50 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/6c34061e7c34
\ No newline at end of file