retrying spi on frdm (with interrupts)

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
armdran
Date:
Tue Apr 07 12:22:38 2015 +0000
Commit message:
retrying spi on frdm (with interrupts)

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r 7795ca374c24 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Apr 07 12:22:38 2015 +0000
@@ -0,0 +1,57 @@
+#include "mbed.h"
+
+//SPI Slave
+SPISlave device(D11, D12, D13, D10); // mosi, miso, sclk, ssel //nope
+Serial pc(USBTX, USBRX); 
+DigitalOut ir(D9);
+
+uint8_t spi_reply_blocking(uint8_t reply = 0x00, bool sendIr = 0) {
+    device.reply(reply);
+    if(sendIr) {
+        ir = 1; 
+        printf("ir sent\r\n"); 
+        ir = 0;
+    }
+    
+    while(!device.receive()) {}
+    
+    return device.read();  
+}
+
+int main() {
+    ir = 0; 
+    pc.baud(9600);
+    printf("init\r\n");
+     
+    device.format(8, 1);
+    device.frequency(1000000);
+     
+          
+    while(1) { 
+        int pass = 0; 
+        int fail = 0;
+        int miss = 0;
+        
+        for (uint8_t keystroke = 16; keystroke < 116; keystroke++) {
+            
+            if(spi_reply_blocking(0, 1) == 0xFE) {
+                spi_reply_blocking(keystroke);
+                
+                if(spi_reply_blocking() != keystroke) {
+                    fail++;
+                } else {
+                    pass++;    
+                }           
+            } else {
+                miss++;    
+            }
+            
+            printf("fail: %d pass: %d missed: %d. press any key.\r\n", fail, pass, miss);
+            pc.getc();
+            
+        }
+        
+        
+        
+     }   
+ }
diff -r 000000000000 -r 7795ca374c24 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue Apr 07 12:22:38 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/487b796308b0
\ No newline at end of file