Sonder Design Team / Memory25L16_fast

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Dependents:   BlackBoard_Firmware_Fast_read_not_test

Fork of Memory by Sonder Design Team

Diff: Memory.cpp

Revision:
5:2fa79108a29b
Parent:
4:bb4fd1147054
Child:
10:96b5e7dcc91f
--- a/Memory.cpp	Thu Feb 09 00:51:57 2017 +0000
+++ b/Memory.cpp	Thu Feb 09 03:51:48 2017 +0000
@@ -173,7 +173,21 @@
     }
     _cs_mem = 1;
     
-    wait_ms(50);//wait for command transfer
+    wait_us(10);//wait for command transfer
+    
+     //Enable the memory for wiring. This segment is only required if not writing to the start of a page.
+    if(addressNew%256!=0){
+        _cs_mem=1;
+        _cs_mem=0;                      //Selet memory
+        my_spi.write(06);               //Set Write Enable flag in the status reg
+        _cs_mem=1;                      //Deslect memory
+        wait_us(10);
+        _cs_mem=0;                      //Selet memory
+        my_spi.write(0x02);             //Send write comand
+        my_spi.write(addressNew>>16);      //Send high address byte
+        my_spi.write(addressNew>>8);       //Send middle adress byte
+        my_spi.write(addressNew);          //Send low address
+    }    
     
     for(int i =0; i<length; i++) {
         if(addressNew%256==0) {                //Handle start and end of pages