1
0
Fork 0
InfiniTime/src/drivers/InternalFlash.cpp
Reinhold Gschweicher ac7b2da611 Update includes to to be relative to src directory
Don't use relative imports like `../foo.h` as those depend on the
relative position of both files. Rather than that use imports relative
to the `src` directory, which explicitly is part of the include
directories.
2021-11-15 22:02:49 +01:00

41 lines
765 B
C++

#include "drivers/InternalFlash.h"
#include <mdk/nrf.h>
using namespace Pinetime::Drivers;
void InternalFlash::ErasePage(uint32_t address) {
// Enable erase.
NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Een;
__ISB();
__DSB();
// Erase the page
NRF_NVMC->ERASEPAGE = address;
Wait();
// Disable erase
NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Ren;
__ISB();
__DSB();
}
void InternalFlash::WriteWord(uint32_t address, uint32_t value) {
// Enable write.
NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Wen;
__ISB();
__DSB();
// Write word
*(uint32_t*) address = value;
Wait();
// Disable write
NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Ren;
__ISB();
__DSB();
}
void InternalFlash::Wait() {
while (NRF_NVMC->READY == NVMC_READY_READY_Busy) {
;
}
}