Diff: OTP.cpp

Revision:

3:1d0c09e43e22

Parent:

2:af09cade52df

Child:

4:1f708415c442

diff -r af09cade52df -r 1d0c09e43e22 OTP.cpp
--- a/OTP.cpp	Tue May 13 10:38:10 2014 +0000
+++ b/OTP.cpp	Tue May 13 11:04:01 2014 +0000
@@ -1,4 +1,5 @@
 #include "OTP.h"
+#include <ctype.h>
 
 OTP::OTP(PinName PDIO_pin, PinName CLK_pin, PinName CSn_pin, Serial &pc):
     PDIO( DigitalInOut(PDIO_pin, PIN_INPUT, PullNone, 0) ),
@@ -180,7 +181,7 @@
         wait_us(30);
         for(int i=0; i<29; i++)
         {
-            //PDIO = ( factory_section>>(29-i-1) )&1;
+            PDIO = ( factory_section>>(29-i-1) )&1;
             CLK = 1;
             wait_us(30);
             CLK = 0;
@@ -205,44 +206,60 @@
 
 void OTP::prog()
 {
-    pc.printf("Install capacitor on PDIO\n");
-    pc.scanf("\n");
-    pc.printf("Fusing...");
-    PDIO = 1;
-    CLK = 1;
-    wait_us(30);
-    CSn = 1;
-    wait_us(30);
-    CLK = 0;
-    wait_us(30);
+    char input;
+    pc.printf("Install capacitor on PDIO (y/n): ");
+    pc.scanf("%c", &input);
     
-    //generate four CLK pulses
-    for(int i=0; i<4; i++)
+    if(tolower(input) == 'y')
     {
+        pc.printf("\nFusing...\n");
+        PDIO = 1;
         CLK = 1;
         wait_us(30);
+        CSn = 1;
+        wait_us(30);
         CLK = 0;
         wait_us(30);
-    }
-    
-    //factory_section
-    for(int i=0; i<29; i++)
-    {
+        
+        //generate three CLK pulses
+        for(int i=0; i<3; i++)
+        {
+            CLK = 1;
+            wait_us(30);
+            CLK = 0;
+            wait_us(30);
+        }
+        
+        //mbit0
         CLK = 1;
         wait_us(15);    //T_PROG_BURN
         CLK = 0;
         wait_us(30);
+        
+        //factory_section
+        for(int i=0; i<29; i++)
+        {
+            CLK = 1;
+            wait_us(15);    //T_PROG_BURN
+            CLK = 0;
+            wait_us(30);
+        }
+        
+        //I2C_A
+        for(int i=0; i<5; i++)
+        {
+            CLK = 1;
+            wait_us(15);    //T_PROG_BURN
+            CLK = 0;
+            wait_us(30);
+        }
     }
-    
-    //I2C_A
-    for(int i=0; i<5; i++)
+    else
     {
-        CLK = 1;
-        wait_us(15);    //T_PROG_BURN
-        CLK = 0;
-        wait_us(30);
+        pc.printf("\nCancelled.\n");
     }
-    
+
+    wait_us(30);
     CSn = 0;
     wait_us(30);
 }