Diff: rm25c512cl.cpp

Revision:

3:e846980a1536

Parent:

2:183d1d96f917

Child:

4:17e602b21ac5

--- a/rm25c512cl.cpp	Wed Sep 12 14:48:05 2018 +0000
+++ b/rm25c512cl.cpp	Wed Sep 12 16:02:49 2018 +0000
@@ -152,7 +152,7 @@
 
 /**
 * @brief    read_bytes()
-* @details  Reads multiple bytes at given address.
+* @details  Reads multiple bytes starting at given address.
 * @param    Page Address to start reading from.
 * @param    Pointer to data buffer to store multiple bytes read from EEprom.
 * @param    Size of the data buffer in bytes.
@@ -222,4 +222,70 @@
     
     return data_buffer[0];
     
-}
\ No newline at end of file
+}
+
+/**
+* @brief    page_erase()
+* @details  128 byte erase at page address
+* @param    Page address
+* @return   NA
+* @warning  write enable must be called prior to calling this function or or
+*           instruction will be ignored.
+* 
+*/
+
+
+void rm25c512cl :: page_erase(uint16_t address){
+    
+    char cmd[3];
+    char data_buffer[1];// not used here but required as function parameter
+    
+    cmd[0] = PERS;
+    cmd[1] = address >> 8;
+    cmd[2] = address & 0x00FF;
+    
+    _spi.lock();
+    
+    _cs = 0;
+    
+    _spi.write(&cmd[0],3,&data_buffer[0],0);
+    
+    _cs = 1;
+    
+    _spi.unlock();
+    
+  
+    
+}
+
+/**
+* @brief    chip_erase()
+* @details  erases all memory on chip
+* @param    NA
+* @return   NA
+* @warning  write enable must be called prior to calling this function or or
+*           instruction will be ignored.
+* 
+*/
+
+void rm25c512cl :: chip_erase(){
+    
+    char cmd[1];
+    char data_buffer[1];// not used here but required as function parameter
+    
+    cmd[0] = CERS;
+        
+    _spi.lock();
+    
+    _cs = 0;
+    
+    _spi.write(&cmd[0],1,&data_buffer[0],0);
+    
+    _cs = 1;
+    
+    _spi.unlock();
+    
+  
+    
+}
+