mirror of https://github.com/ArduPilot/ardupilot
36 lines
848 B
C++
36 lines
848 B
C++
#include <AP_HAL/AP_HAL.h>
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#if CONFIG_HAL_BOARD == HAL_BOARD_SITL
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#include <assert.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "Storage.h"
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using namespace HALSITL;
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void EEPROMStorage::_eeprom_open(void)
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{
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if (_eeprom_fd == -1) {
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_eeprom_fd = open("eeprom.bin", O_RDWR|O_CREAT|O_CLOEXEC, 0777);
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assert(ftruncate(_eeprom_fd, HAL_STORAGE_SIZE) == 0);
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}
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}
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void EEPROMStorage::read_block(void *dst, uint16_t src, size_t n)
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{
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assert(src < HAL_STORAGE_SIZE && src + n <= HAL_STORAGE_SIZE);
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_eeprom_open();
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assert(pread(_eeprom_fd, dst, n, src) == (ssize_t)n);
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}
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void EEPROMStorage::write_block(uint16_t dst, const void *src, size_t n)
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{
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assert(dst < HAL_STORAGE_SIZE);
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_eeprom_open();
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assert(pwrite(_eeprom_fd, src, n, dst) == (ssize_t)n);
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}
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#endif
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