2021-03-05 07:51:23 +00:00
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//xflash.h
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#ifndef _XFLASH_H
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#define _XFLASH_H
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#include <inttypes.h>
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#include "config.h"
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#include "spi.h"
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#define XFLASH_STATUS_BUSY 0x01
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#define XFLASH_STATUS_WEL 0x02
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#define XFLASH_STATUS_BP0 0x04
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#define XFLASH_STATUS_BP1 0x08
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#define XFLASH_STATUS_TB 0x20
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#define XFLASH_STATUS_SRP 0x80
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#define XFLASH_SPI_RATE 0 // fosc/4 = 4MHz
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#define XFLASH_SPCR SPI_SPCR(XFLASH_SPI_RATE, 1, 1, 1, 0)
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#define XFLASH_SPSR SPI_SPSR(XFLASH_SPI_RATE)
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#define XFLASH_SPI_ENTER() spi_setup(XFLASH_SPCR, XFLASH_SPSR)
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#if defined(__cplusplus)
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extern "C" {
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#endif //defined(__cplusplus)
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extern int8_t xflash_init(void);
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extern void xflash_enable_wr(void);
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extern void xflash_disable_wr(void);
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extern uint8_t xflash_rd_status_reg(void);
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#if 0
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extern void w25x20cl_wr_status_reg(uint8_t val);
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#endif
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extern void xflash_rd_data(uint32_t addr, uint8_t* data, uint16_t cnt);
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2021-06-08 13:25:16 +00:00
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2021-03-05 07:51:23 +00:00
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extern void xflash_sector_erase(uint32_t addr);
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extern void xflash_block32_erase(uint32_t addr);
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extern void xflash_block64_erase(uint32_t addr);
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extern void xflash_chip_erase(void);
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extern void xflash_rd_uid(uint8_t* uid);
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extern void xflash_wait_busy(void);
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2021-06-08 13:25:16 +00:00
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// write up to a single page of data (256bytes)
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extern void xflash_page_program(uint32_t addr, uint8_t* data, uint16_t cnt);
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// write up to a single page of data from program memory
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extern void xflash_page_program_P(uint32_t addr, uint8_t* data, uint16_t cnt);
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// xflash_multipage_program: high-level interface for multi-page writes.
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// Write any amount of data, chunking writes to page boundaries as needed.
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// Automatically enables writes and waits for completion.
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extern void xflash_multipage_program(uint32_t addr, uint8_t* data, uint16_t cnt);
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2021-03-05 07:51:23 +00:00
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#if defined(__cplusplus)
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}
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#endif //defined(__cplusplus)
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#endif //_XFLASH_H
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