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Replace EEPROM backend to be compatible with Adafruit BLE lib

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jacob.eva 2024-01-21 15:12:20 +00:00
parent cce8b0c18a
commit 6e8865b2ae
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7 changed files with 47 additions and 542 deletions
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48
Utilities.h
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@ -18,8 +18,13 @@
#if HAS_EEPROM
#include <EEPROM.h>
#elif PLATFORM == PLATFORM_NRF52
#include "flash_nrf5x.h"
int written_bytes = 0;
#include <Adafruit_LittleFS.h>
#include <InternalFileSystem.h>
using namespace Adafruit_LittleFS_Namespace;
#define EEPROM_FILE "eeprom"
bool file_exists = false;
int written_bytes = 4;
File file(InternalFS);
#endif
#include <stddef.h>
#include "LoRa.h"
@ -1093,10 +1098,33 @@ void promisc_disable() {
}
#if !HAS_EEPROM && MCU_VARIANT == MCU_NRF52
bool eeprom_begin() {
InternalFS.begin();
file.open(EEPROM_FILE, FILE_O_READ);
// if file doesn't exist
if (!file) {
if (file.open(EEPROM_FILE, FILE_O_WRITE)) {
// initialise the file with empty content
uint8_t empty_content[EEPROM_SIZE] = {0};
file.write(empty_content, EEPROM_SIZE);
return true;
} else {
return false;
}
} else {
file.close();
file.open(EEPROM_FILE, FILE_O_WRITE);
return true;
}
}
uint8_t eeprom_read(uint32_t mapped_addr) {
uint8_t byte;
void* byte_ptr = &byte;
flash_nrf5x_read(byte_ptr, mapped_addr, 1);
file.seek(mapped_addr);
file.read(byte_ptr, 1);
return byte;
}
#endif
@ -1165,18 +1193,18 @@ void eeprom_update(int mapped_addr, uint8_t byte) {
#elif !HAS_EEPROM && MCU_VARIANT == MCU_NRF52
uint8_t read_byte;
void* read_byte_ptr = &read_byte;
void const * byte_ptr = &byte;
flash_nrf5x_read(read_byte_ptr, mapped_addr, 1);
file.seek(mapped_addr);
file.read(read_byte_ptr, 1);
file.seek(mapped_addr);
if (read_byte != byte) {
flash_nrf5x_write(mapped_addr, byte_ptr, 1);
file.write(byte);
}
written_bytes++;
// flush the cache every 4 bytes to make sure everything is synced
if (written_bytes == 4) {
if (written_bytes >= 8) {
file.close();
file.open(EEPROM_FILE, FILE_O_WRITE);
written_bytes = 0;
flash_nrf5x_flush();
}
#endif