Macros | Typedefs | Enumerations | Functions
gr55xx_nvds.h File Reference

NVDS API. More...

`#include <stdint.h>`
`#include <stdbool.h>`
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## Macros
#define | NV_TAGCAT_APP 0x4000
| NVDS tag mask for user application. More...
#define | NV_TAG_APP(idx) (NV_TAGCAT_APP | ((idx) & 0x3FFF))
| Get NVDS tag for user application. More...

## Typedefs
typedef uint16_t | NvdsTag_t
| NVDS Item tag. More...

## Enumerations
enum | NVDS_STATUS { NVDS_SUCCESS, NVDS_FAIL, NVDS_TAG_NOT_EXISTED, NVDS_SPACE_NOT_ENOUGH, NVDS_LENGTH_OUT_OF_RANGE, NVDS_INVALID_PARA, NVDS_INVALID_START_ADDR, NVDS_INVALID_SECTORS, NVDS_COMPACT_FAILED, NVDS_STORAGE_ACCESS_FAILED, NVDS_GC_COMPLETE, NVDS_NOT_INIT, NVDS_POINTER_NULL }
| NVDS Returned Status. More...

## Functions
uint8_t | nvds_init (uint32_t start_addr, uint8_t sectors)
| Initialize the sectors for NVDS. More...
uint8_t | nvds_deinit (uint32_t start_addr, uint8_t sectors)
| De-initialize the sectors for NVDS. More...
uint8_t | nvds_get (NvdsTag_t tag, uint16_t *p_len, uint8_t *p_buf)
| Read data from NVDS. More...
uint8_t | nvds_put (NvdsTag_t tag, uint16_t len, const uint8_t *p_buf)
| Write data to NVDS. More...
uint8_t | nvds_del (NvdsTag_t tag)
| Delete a tag in NVDS. More...
uint16_t | nvds_tag_length (NvdsTag_t tag)
| Get the length of a tag in NVDS. More...
bool | local_hal_flash_erase_chip (void)
| Flash operation API based on hal flash. More...
bool | local_hal_flash_erase (const uint32_t addr, const uint32_t size)
| Erase flash region. More...
uint32_t | local_hal_flash_write (const uint32_t addr, const uint8_t *buf, const uint32_t size)
| Write flash Memory. More...
uint32_t | local_hal_flash_read (const uint32_t addr, uint8_t *buf, const uint32_t size)
| Read flash Memory. More...
void | local_hal_flash_get_info (uint32_t *id, uint32_t *size)
| Get Flash information. More...
bool | local_hal_flash_get_security (void)
| Get encrypted and decrypted status in write-read operations. More...
void | local_hal_flash_set_security (bool enable)
| Enable encrypted and decrypted in write-read operations. More...
uint32_t | local_hal_flash_write_r (const uint32_t addr, const uint8_t *buf, const uint32_t size)
| Write flash Memory reliably. More...

## Detailed Description

NVDS API.

Attention

  ##### Copyright (c) 2019 GOODIX

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Definition in file gr55xx_nvds.h.