Revision 3:e75751703666, committed 2015-04-01

Comitter:

armdran

Date:

Wed Apr 01 13:02:00 2015 +0000

Parent:

2:afe790b8cd5a

Commit message:

working spi slave connection on frdm

Changed in this revision

--- a/main.cpp	Wed Apr 01 09:12:42 2015 +0000
+++ b/main.cpp	Wed Apr 01 13:02:00 2015 +0000
@@ -1,44 +1,44 @@
 #include "mbed.h"
 
 //SPI Slave
-SPISlave device(D11, D12, D13, D10); // mosi, miso, sclk, ssel
+//SPISlave device(D11, D12, D13, D10); // mosi, miso, sclk, ssel //nope
+//SPISlave device(D11, D12, D13, PTA14); // mosi, miso, sclk, ssel //nope
+
+//frdm
+SPISlave device(D11, D12, D13, D10); // mosi, miso, sclk, ssel //nope
+
+//archble
+//SPISlave device(p25, p28, p29, p24); // mosi, miso, sclk, ssel //nope
+
 //SPISlave device(PTA16, PTA17, PTA15, PTB9); // mosi, miso, sclk, ssel
 //SPISlave device(PTD6, PTD7, PTD5, PTD4); // mosi, miso, sclk, ssel
 //SPISlave device(PTA16, PTA17, PTA15, D10);
 Serial pc(USBTX, USBRX); 
  
- int main() {
-     //pc.baud(9600);
+int main() {
+     pc.baud(9600);
+     
      //pc.format(8, SerialBase::None, 1);
-     device.frequency(100000);
-     device.format(8, 0);
+     device.frequency(1000000);
+     //device.format(8, 0);
+     
+     //frm requires mode 1
+     device.format(8, 1);
+     
+     pc.printf("common. work.\r\n");
      
      int i = 0; 
      
      while(1) {
          
-         uint8_t instruction = 0xAB; 
-         
-         pc.printf("waiting for instruction");
          device.reply(0xFF);
+         //pc.printf("press any key\r\n");
+         //pc.getc();
          
-         while(!device.receive()) {
-             if(i++ % 10000 == 0) {
-                 printf(".");
-             }
-         }
-         pc.printf("\r\n");
-         
-         instruction = device.read();   // Read byte from master
-         
-         if(instruction == 0xFF) {
-            continue;
-         } 
-         
-         uint8_t reply = instruction + 0x10; 
-         device.reply(reply);
-                 
-         pc.printf("waiting for reply signal");
+         //ir = 1; 
+         //ir = 0;    
+
+         pc.printf("waiting for instructions\r\n");
          
          while(!device.receive()) {
              if(i++ % 10000 == 0) {
@@ -47,10 +47,30 @@
          }
          
          pc.printf("\r\n");
+         uint8_t instruction = device.read();   // Read byte from master
+         
+         if(instruction == 0xFF) {
+            pc.printf("instruction was FF...\r\n");
+            continue;
+         }         
+         pc.printf("instruction: 0x%X; dummy_reply: 0x%X; ", instruction, 0xFF); 
+
+         uint8_t reply = instruction + 0x10;
+         //uint8_t reply = instruction << 1; 
+         device.reply(reply);
+         
+         pc.printf("waiting for reply signal");
+         while(!device.receive()) {
+             if(i++ % 10000 == 0) {
+                 printf(".");
+             }
+         }
+         pc.printf("\r\n");
     
          uint8_t ignore = device.read();
-         
-         pc.printf("instruction: 0x%X; reply: 0x%X; dummy_instruction: 0x%X\r\n", instruction, reply, ignore); 
+         pc.printf("dummy_instruction: 0x%X; reply: 0x%X\r\n", ignore, reply); 
+
+         //pc.printf("instruction: 0x%X; reply: 0x%X; dummy_instruction: 0x%X\r\n", instruction, reply, ignore); 
          
      }