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Updated Persistent Memory (markdown)

euquiq 2020-06-04 01:44:48 -03:00
parent 86625f6438
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Persistent-Memory.md

@ -19,7 +19,7 @@ The persistent memory map is defined at `/firmware/chibios-portapack/os/hal/plat
## backup_ram region ## backup_ram region
The **backup_ram region** is a small amount of ram (only 256 bytes), defined in `/firmware/common/memory_map.hpp` and labeled as **LPC_BACKUP_REG_BASE** starting at address **0x40041000** The **backup_ram region** is a small amount of ram (only 256 bytes), defined in `/firmware/common/memory_map.hpp` using the **LPC_BACKUP_REG_BASE** label, thus starting at address **0x40041000**
### data_t struct ### data_t struct
The Portapack firmware uses the backup_ram region to store several uint32_t (and one uint64_t) variables, inside a struct, called "data_t", declared on /firmware/common/portapack_persistent_memory.cpp The Portapack firmware uses the backup_ram region to store several uint32_t (and one uint64_t) variables, inside a struct, called "data_t", declared on /firmware/common/portapack_persistent_memory.cpp