Embedded Flash Controller (EFC) driver for SAM.
Copyright (c) 2011-2019 Microchip Technology Inc. and its subsidiaries.
#include "compiler.h"Macros | |
| #define | CHIP_FLASH_IAP_ADDRESS (IROM_ADDR + 8) |
EFC command | |
| #define | EFC_FCMD_GETD 0x00 |
| Get Flash Descriptor. More... | |
| #define | EFC_FCMD_WP 0x01 |
| Write page. More... | |
| #define | EFC_FCMD_WPL 0x02 |
| Write page and lock. More... | |
| #define | EFC_FCMD_EWP 0x03 |
| Erase page and write page. More... | |
| #define | EFC_FCMD_EWPL 0x04 |
| Erase page and write page then lock. More... | |
| #define | EFC_FCMD_EA 0x05 |
| Erase all. More... | |
| #define | EFC_FCMD_SLB 0x08 |
| Set Lock Bit. More... | |
| #define | EFC_FCMD_CLB 0x09 |
| Clear Lock Bit. More... | |
| #define | EFC_FCMD_GLB 0x0A |
| Get Lock Bit. More... | |
| #define | EFC_FCMD_SGPB 0x0B |
| Set GPNVM Bit. More... | |
| #define | EFC_FCMD_CGPB 0x0C |
| Clear GPNVM Bit. More... | |
| #define | EFC_FCMD_GGPB 0x0D |
| Get GPNVM Bit. More... | |
| #define | EFC_FCMD_STUI 0x0E |
| Start unique ID. More... | |
| #define | EFC_FCMD_SPUI 0x0F |
| Stop unique ID. More... | |
| #define | EFC_FCMD_GCALB 0x10 |
| Get CALIB Bit. More... | |
EFC access mode | |
| #define | EFC_ACCESS_MODE_128 0 |
| #define | EFC_ACCESS_MODE_64 EEFC_FMR_FAM |
Functions | |
| void | efc_disable_frdy_interrupt (Efc *p_efc) |
| Disable the flash ready interrupt. More... | |
| void | efc_enable_frdy_interrupt (Efc *p_efc) |
| Enable the flash ready interrupt. More... | |
| uint32_t | efc_get_flash_access_mode (Efc *p_efc) |
| Get flash access mode. More... | |
| uint32_t | efc_get_result (Efc *p_efc) |
| Get the result of the last executed command. More... | |
| uint32_t | efc_get_status (Efc *p_efc) |
| Get the current status of the EEFC. More... | |
| uint32_t | efc_get_wait_state (Efc *p_efc) |
| Get flash wait state. More... | |
| uint32_t | efc_init (Efc *p_efc, uint32_t ul_access_mode, uint32_t ul_fws) |
| Initialize the EFC controller. More... | |
| uint32_t | efc_perform_command (Efc *p_efc, uint32_t ul_command, uint32_t ul_argument) |
| Perform the given command and wait until its completion (or an error). More... | |
| uint32_t | efc_perform_read_sequence (Efc *p_efc, uint32_t ul_cmd_st, uint32_t ul_cmd_sp, uint32_t *p_ul_buf, uint32_t ul_size) |
| Perform read sequence. More... | |
| void | efc_set_flash_access_mode (Efc *p_efc, uint32_t ul_mode) |
| Set flash access mode. More... | |
| void | efc_set_wait_state (Efc *p_efc, uint32_t ul_fws) |
| Set flash wait state. More... | |
EFC return codes | |
| enum | efc_rc { EFC_RC_OK = 0, EFC_RC_YES = 0, EFC_RC_NO = 1, EFC_RC_ERROR = 1, EFC_RC_INVALID, EFC_RC_NOT_SUPPORT = 0xFFFFFFFF } |
| typedef enum efc_rc | efc_rc_t |
| #define CHIP_FLASH_IAP_ADDRESS (IROM_ADDR + 8) |
The IAP function entry address
| #define EFC_ACCESS_MODE_128 0 |
| #define EFC_ACCESS_MODE_64 EEFC_FMR_FAM |
| #define EFC_FCMD_CGPB 0x0C |
Clear GPNVM Bit.
Referenced by flash_clear_gpnvm().
| #define EFC_FCMD_CLB 0x09 |
Clear Lock Bit.
Referenced by flash_unlock().
| #define EFC_FCMD_EA 0x05 |
Erase all.
Referenced by flash_erase_all().
| #define EFC_FCMD_EWP 0x03 |
Erase page and write page.
Referenced by flash_write().
| #define EFC_FCMD_EWPL 0x04 |
Erase page and write page then lock.
| #define EFC_FCMD_GCALB 0x10 |
Get CALIB Bit.
| #define EFC_FCMD_GETD 0x00 |
Get Flash Descriptor.
Referenced by flash_get_descriptor().
| #define EFC_FCMD_GGPB 0x0D |
Get GPNVM Bit.
Referenced by flash_is_gpnvm_set().
| #define EFC_FCMD_GLB 0x0A |
Get Lock Bit.
Referenced by flash_is_locked().
| #define EFC_FCMD_SGPB 0x0B |
Set GPNVM Bit.
Referenced by flash_set_gpnvm().
| #define EFC_FCMD_SLB 0x08 |
Set Lock Bit.
Referenced by flash_lock().
| #define EFC_FCMD_SPUI 0x0F |
Stop unique ID.
Referenced by efc_perform_command(), and flash_read_unique_id().
| #define EFC_FCMD_STUI 0x0E |
Start unique ID.
Referenced by efc_perform_command(), and flash_read_unique_id().
| #define EFC_FCMD_WP 0x01 |
Write page.
Referenced by flash_write().
| #define EFC_FCMD_WPL 0x02 |
Write page and lock.
| enum efc_rc |
1.8.5