Diff: AT30TSE75x.h

Revision:

1:c0db18a0c56b

Parent:

0:7cb648bc5c2a

Child:

2:91836ad02096

--- a/AT30TSE75x.h	Fri Jan 13 12:11:55 2017 +0000
+++ b/AT30TSE75x.h	Tue Jan 17 13:43:08 2017 +0000
@@ -9,7 +9,7 @@
 #include "I2CInterface.h" 
 
 
-#define VERSION_AT30TSE75x_HDR "0.80"
+#define VERSION_AT30TSE75x_HDR "0.86"
 
 /** AT30TSE75x class.
  *  Used for interfacing with a AT30TSE75x temperature sensor and ee-prom  
@@ -21,8 +21,10 @@
  *  ee-prom set / read not tested / implemented. 
  *  version 0.8  : read of temperature  12 bits, fixed configuration
  *                  read /write ee-prom 
+ *  version 0.86 : added ee-prom write protect mode tested  ( un-protect not tested)
  *  this code is only tested with the AT30TSE752  version ( 2 KBit version) 
- *  processor for the testing : FRDM-KL25Z 
+ * 
+ *  processor board  for the testing : FRDM-KL25Z 
  * 
  * (C) Wim Beaumont Universiteit Antwerpen 2016, 2017
  *  
@@ -48,7 +50,12 @@
     // read a single byte from ee prom
     int read_eeprombyte(char &data, uint8_t word_addr, uint8_t page);
     int write_eeprombyte(char data,  uint8_t word_addr, uint8_t page);
-    
+    // set ee-prom in read only  mode special voltage on A0 is needed  and A1 and A2 shoud be low.
+    int protect_eeprom(void);
+    // set ee-prom in read only  mode special voltage on A0 and  A1 should be high , A2 should be low
+    int unprotect_eeprom(void);
+    // returns I2C err ( NACK) in case protected  , else ACK ( no error =0) 
+    int get_eeprom_protec(void);
     
  };