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First pass rewrite of flashmem driver for optimization. Lot of changes here. Provides PoC of saving and recalling a tag in Standalone mode. Added some printing passthrough to client to azccomodate for vt100 eye-candyness. FastREAD mode implemented for flashmem, testable from client. Beta but functionnal. Reading the whole flash with 1Kb to 32kb buffers was ~730ms, now 380ms Max (even at 24Mhz spi baudrate)

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This commit is contained in:
Colin J. Brigato 2018-09-03 00:02:44 +02:00
commit 8d673fa1bf
8 changed files with 865 additions and 292 deletions
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30
armsrc/flashmem.h
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@ -45,6 +45,7 @@
#define WRITEENABLE 0x06
#define READDATA 0x03
#define FASTREAD 0x0B
#define PAGEPROG 0x02
#define SECTORERASE 0x20
@ -57,27 +58,17 @@
// Not used or not support command
#define RELEASE 0xAB
#define POWERDOWN 0xB9
#define FASTREAD 0x0B
#define SUSPEND 0x75
#define RESUME 0x7A
#define BUSY_TIMEOUT 1000000000L
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
// Chip specific instructions //
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
//~~~~~~~~~~~~~~~~~~~~~~~~~ Winbond ~~~~~~~~~~~~~~~~~~~~~~~~~//
#define WINBOND_MANID 0xEF
#define WINBOND_DEVID 0x11
#define PAGESIZE 0x100
#define WINBOND_WRITE_DELAY 0x02
//~~~~~~~~~~~~~~~~~~~~~~~~ Microchip ~~~~~~~~~~~~~~~~~~~~~~~~//
#define MICROCHIP_MANID 0xBF
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
// Definitions //
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
#define SPI_CLK 75000000 //Hex equivalent of 75MHz
#define SPI_CLK 48000000
#define BUSY 0x01
#define WRTEN 0x02
@ -113,14 +104,17 @@
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
extern void Dbprintf(const char *fmt, ...);
void FlashSetup(void);
bool FlashInit(bool fast);
void FlashSetup(bool fast);
void FlashStop(void);
bool Flash_WaitIdle(void);
uint8_t Flash_ReadStat1(void);
uint8_t Flash_ReadStat2(void);
uint16_t FlashSendByte(uint32_t data);
bool Flash_CheckBusy(uint32_t timeout);
void Flash_WriteEnable();
bool Flash_WipeMemoryPage(uint8_t page);
bool Flash_WipeMemory();
@ -128,12 +122,16 @@ bool Flash_Erase4k(uint8_t block, uint8_t sector);
//bool Flash_Erase32k(uint32_t address);
bool Flash_Erase64k(uint8_t block);
bool FlashInit();
void Flash_UniqueID(uint8_t *uid);
uint8_t Flash_ReadID(void);
uint16_t Flash_ReadData(uint32_t address, uint8_t *out, uint16_t len);
uint16_t Flash_ReadDataCont(uint32_t address, uint8_t *out, uint16_t len);
uint16_t Flash_FastReadDataCont(uint32_t address, uint8_t *out, uint16_t len);
uint16_t Flash_WriteData(uint32_t address, uint8_t *in, uint16_t len);
uint16_t Flash_WriteDataCont(uint32_t address, uint8_t *in, uint16_t len);
void Flashmem_print_status(void);
#endif