Diff: at45db161d_commands.h

Revision:

6:1872f591d604

Parent:

0:2e953bbaf3a5

--- a/at45db161d_commands.h	Fri Mar 06 09:18:42 2015 +0800
+++ b/at45db161d_commands.h	Fri Mar 06 09:42:28 2015 +0800
@@ -7,18 +7,16 @@
 
 /**
  * @defgroup AT45DB161D_commands AT45DB161D commands opcodes
- * @{
  **/
 
 /**
  * @defgroup Read_commands Read commands
- * @{
  **/
 /** Main Memory Page Read */
 #define AT45DB161D_PAGE_READ 0xD2
 /** Continuous Array Read (Low Frequency) **/
 #define AT45DB161D_CONTINUOUS_READ_LOW_FREQ 0x03
-/** Continuous Array Read (High Frequency) **/ 
+/** Continuous Array Read (High Frequency) **/
 #define AT45DB161D_CONTINUOUS_READ_HIGH_FREQ 0x0B
 /** Buffer 1 Read (Low Frequency) **/
 #define AT45DB161D_BUFFER_1_READ_LOW_FREQ 0xD1
@@ -28,13 +26,9 @@
 #define AT45DB161D_BUFFER_1_READ 0xD4
 /** Buffer 2 Read **/
 #define AT45DB161D_BUFFER_2_READ 0xD6
-/**
- * @}
- **/
 
 /**
  * @defgroup Program_Erase_commands Program and Erase commands
- * @{
  **/
 /** Buffer 1 Write **/
 #define AT45DB161D_BUFFER_1_WRITE 0x84
@@ -63,14 +57,10 @@
 #define AT45DB161D_PAGE_THROUGH_BUFFER_1 0x82
 /** Main Memory Page Program Through Buffer 2 **/
 #define AT45DB161D_PAGE_THROUGH_BUFFER_2 0x85
-/**
- * @}
- **/
 
 /**
  * @defgroup ProtectionSecurity_Commands Protection and Security Commands
  * @warning UNIMPLEMENTED
- * @{
  **/
 #ifdef AT45DB161D_EXPERT_MODE
 /* Use the following commands at your own risk ! */
@@ -112,13 +102,9 @@
 #define AT45DB161D_READ_SECTOR_LOCKDOWN_REGISTER 35H
 /** Read Security Register **/
 #define AT45DB161D_READ_SECURITY_REGISTER 0x77
-/**
- * @}
- **/
 
 /**
  * @defgroup Additional_commands Additional Commands
- * @{
  **/
 /** Main Memory Page to Buffer 1 Transfer **/
 #define AT45DB161D_TRANSFER_PAGE_TO_BUFFER_1 0x53
@@ -140,13 +126,9 @@
 #define AT45DB161D_STATUS_REGISTER_READ 0xD7
 /** Manufacturer and Device ID Read **/
 #define AT45DB161D_READ_MANUFACTURER_AND_DEVICE_ID 0x9F
-/**
- * @}
- **/
 
 /**
  * @defgroup Legacy_commands Legacy Commands
- * @{
  **/
 /** Buffer 1 Read **/
 #define AT45DB161D_BUFFER_1_READ_LEGACY 0X54
@@ -158,12 +140,47 @@
 #define AT45DB161D_CONTINUOUS_READ_LEGACY 0x68
 /** Status Register Read **/
 #define AT45DB161D_STATUS_REGISTER_READ_LEGACY 0x57
-/**
- * @}
- **/
 
 /**
- * @}
+ * defgroup STATUS_REGISTER_FORMAT Status register format
+ *
+ **/
+/**
+ * Ready/busy status is indicated using bit 7 of the status register.
+ * If bit 7 is a 1, then the device is not busy and is ready to accept
+ * the next command. If bit 7 is a 0, then the device is in a busy
+ * state.
+ **/
+#define READY_BUSY 0x80
+/**
+ * Result of the most recent Memory Page to Buffer Compare operation.
+ * If this bit is equal to 0, then the data in the main memory page
+ * matches the data in the buffer. If it's 1 then at least 1 byte in
+ * the main memory page does not match the data in the buffer.
  **/
+#define COMPARE 0x40
+/**
+ * Bit 1 in the Status Register is used to provide information to the
+ * user whether or not the sector protection has been enabled or
+ * disabled, either by software-controlled method or
+ * hardware-controlled method. 1 means that the sector protection has
+ * been enabled and 0 that it has been disabled.
+ **/
+#define PROTECT 0x02
+/**
+ * Bit 0 indicates wether the page size of the main memory array is
+ * configured for "power of 2" binary page size (512 bytes) (bit=1) or
+ * standard DataFlash page size (528 bytes) (bit=0).
+ **/
+//#define PAGE_SIZE 0x01
+/**
+ * Bits 5, 4, 3 and 2 indicates the device density. The decimal value
+ * of these four binary bits does not equate to the device density; the
+ * four bits represent a combinational code relating to differing
+ * densities of DataFlash devices. The device density is not the same
+ * as the density code indicated in the JEDEC device ID information.
+ * The device density is provided only for backward compatibility.
+ **/
+#define DEVICE_DENSITY 0x2C
 
 #endif /* AT45DB161D_COMMANDS_H */