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Second Pass rewrite of flashmem. added command 'mem spibaud' to switch between 24/48Mhz operation. All is more consistant, less messy. All logic rewrittent avoiding multiple flashinit/flashstop. busywait is now at it's lowest possible. Beware : 48Mhz is VERY buggy cause of sillicon bug (see source for more info), and doesn't give much more than 24Mhz for now since we doubled nearly every operation speed here.

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This commit is contained in:
Colin J. Brigato 2018-09-06 05:15:52 +02:00
commit 368fe11df0
5 changed files with 201 additions and 189 deletions
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22
armsrc/flashmem.h
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@ -102,15 +102,30 @@
#define MAX_SECTORS 16
#define MCK 48000000
//#define FLASH_BAUD 24000000
#define FLASH_MINFAST 24000000 //33000000
#define FLASH_BAUD MCK/2
#define FLASH_FASTBAUD MCK
#define FLASH_MINBAUD FLASH_FASTBAUD
#define FASTFLASH (FLASHMEM_SPIBAUDRATE > FLASH_MINFAST)
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
extern void Dbprintf(const char *fmt, ...);
bool FlashInit(bool fast);
void FlashSetup(bool fast);
void FlashmemSetSpiBaudrate(uint32_t baudrate);
bool FlashInit();
void FlashSetup(uint32_t baudrate);
void FlashStop(void);
bool Flash_WaitIdle(void);
uint8_t Flash_ReadStat1(void);
uint8_t Flash_ReadStat2(void);
uint16_t FlashSendByte(uint32_t data);
void Flash_TransferAdresse(uint32_t address);
bool Flash_CheckBusy(uint32_t timeout);
@ -128,10 +143,11 @@ 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