Go to the documentation of this file.
18 #include <spi_flash.h>
28 #define INTERNAL_FLASH_WRITE_UNIT_SIZE 4
30 #define INTERNAL_FLASH_READ_UNIT_SIZE 4
32 #define FLASH_TOTAL_SEC_COUNT (flashmem_get_size_sectors())
35 #define SYS_PARAM_SEC_COUNT 4
36 #define FLASH_WORK_SEC_COUNT (FLASH_TOTAL_SEC_COUNT - SYS_PARAM_SEC_COUNT)
38 #define INTERNAL_FLASH_SECTOR_SIZE SPI_FLASH_SEC_SIZE
39 #define INTERNAL_FLASH_SIZE ((FLASH_WORK_SEC_COUNT)*INTERNAL_FLASH_SECTOR_SIZE)
40 #define INTERNAL_FLASH_START_ADDRESS 0x40200000
94 uint32_t
flashmem_write(
const void* from, uint32_t toaddr, uint32_t size);
103 uint32_t
flashmem_read(
void* to, uint32_t fromaddr, uint32_t size);
uint32_t flashmem_get_address(const void *memptr)
Obtain the flash memory address for a memory pointer.
Definition: Rp2040/Components/spi_flash/include/esp_spi_flash.h:85
uint8_t size
SPIFlashSize.
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:75
@ SIZE_4MBIT
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:59
@ MODE_FAST_READ
Not supported.
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:48
uint32_t flashmem_get_size_bytes()
get the total flash memory size
@ SIZE_2MBIT
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:60
@ SIZE_1MBIT
Not supported.
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:64
@ MODE_DIO
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:45
@ MODE_DOUT
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:46
@ SPEED_80MHZ
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:55
SPIFlashInfo flashmem_get_info()
Get flash memory information block.
@ SPEED_26MHZ
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:53
@ SPEED_40MHZ
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:52
SPI Flash memory information block. Stored at the beginning of flash memory.
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:70
uint8_t mode
SPIFlashMode.
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:73
SPI Flash memory information block. Stored at the beginning of flash memory.
Definition: Rp2040/Components/spi_flash/include/esp_spi_flash.h:72
uint16_t flashmem_get_size_sectors()
Get the total number of flash sectors.
SPIFlashMode
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:42
@ MODE_QIO
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:43
uint8_t unknown1
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:72
uint8_t unknown0
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:71
bool flashmem_erase_sector(uint32_t sector_id)
Erase a single flash sector.
@ SIZE_32MBIT
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:63
@ MODE_SLOW_READ
Not supported.
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:47
uint8_t flashmem_get_size_type()
Returns a number indicating the size of flash memory chip.
@ SIZE_16MBIT
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:62
uint32_t flashmem_get_sector_of_address(uint32_t addr)
Get sector number containing the given address.
uint32_t flashmem_get_first_free_block_address()
@ SIZE_8MBIT
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:61
uint32_t flashmem_write_internal(const void *from, uint32_t toaddr, uint32_t size)
write to flash memory
uint32_t flashmem_find_sector(uint32_t address, uint32_t *pstart, uint32_t *pend)
Helper function: find the flash sector in which an address resides.
uint8_t speed
SPIFlashSpeed.
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:74
uint32_t flashmem_read_internal(void *to, uint32_t fromaddr, uint32_t size)
Read from flash memory.
uint32_t flashmem_write(const void *from, uint32_t toaddr, uint32_t size)
Write a block of data to flash.
SPIFlashSize
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:58
@ SPEED_20MHZ
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:54
@ MODE_QOUT
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:44
uint32_t flashmem_read(void *to, uint32_t fromaddr, uint32_t size)
Read a block of data from flash.
SPIFlashSpeed
Definition: Esp8266/Components/spi_flash/include/esp_spi_flash.h:51