Simplified access to Ramtron (Cypress) FM24Vxx F-RAM devices
Diff: FM24Vxx_IDs.h
- Revision:
- 1:6a16bddd7222
- Parent:
- 0:fa858f79d48d
diff -r fa858f79d48d -r 6a16bddd7222 FM24Vxx_IDs.h
--- a/FM24Vxx_IDs.h Sat Mar 23 15:54:01 2013 +0000
+++ b/FM24Vxx_IDs.h Wed Apr 03 12:51:20 2013 +0000
@@ -25,13 +25,13 @@
/**
* Device ID description
- * @remark See Figure 14. Manufacturer and Product ID
+ * @remark See FM24V10_ds Figure 14. Manufacturer and Product ID
*/
class CFM24VXX_IDs {
/** Device ID description
*/
- struct {
+ struct { // FM24V10_ds Figure 14. Manufacturer and Product ID
unsigned char manufacturerID;
union {
unsigned char id;
@@ -40,21 +40,24 @@
unsigned char density:4;
} vd;
} productID;
- unsigned char dieRevision;
+ struct {
+ unsigned char dierev:3;
+ unsigned char reserved:5;
+ } dieRevision;
} _deviceID;
public:
inline CFM24VXX_IDs(const unsigned char manufacturerID, const unsigned char productID, const unsigned char dieRevision) {
_deviceID.manufacturerID = manufacturerID;
_deviceID.productID.id = productID;
- _deviceID.dieRevision = dieRevision;
+ _deviceID.dieRevision.dierev = dieRevision & 0x07; // FM24V10_ds Figure 14. Manufacturer and Product ID
} // End of Constructor
inline unsigned char GetManufacturerID() const { return _deviceID.manufacturerID; };
inline unsigned char GetProductID() const { return _deviceID.productID.id; };
- inline unsigned char GetRevisionID() const { return _deviceID.dieRevision; };
+ inline unsigned char GetRevisionID() const { return _deviceID.dieRevision.dierev; };
inline unsigned char GetDensity() const { return _deviceID.productID.vd.density >> 4; };
Yann Garcia
Ramtron FM24Vxx F-RAM