MC100/Applications/app/nv_storage.c

#include "app/nv_storage.h"
#include "bsp/fmc_flash.h"
#include "libs/crc16.h"

static void mc_config_default(void);

static mc_config_t g_config;

void config_set_hall_offset(s16 offset) {
	g_config.hall_offset = offset;
}

mc_config_t *mc_config_get(void) {
	return &g_config;
}

void store_config(void) {
	u16 crc = crc16_get((u8 *)&g_config, sizeof(g_config) - 2);
	g_config.crc16 = crc;
	fmc_write_data(0, (u8 *)&g_config, sizeof(g_config));
	fmc_write_data(1, (u8 *)&g_config, sizeof(g_config));
}

void restore_config(void) {
	fmc_read_data(0, (u8 *)&g_config, sizeof(g_config));
	u16 crc0 = crc16_get((u8 *)&g_config, sizeof(g_config) - 2);
	if (crc0 != g_config.crc16) {
		fmc_read_data(1, (u8 *)&g_config, sizeof(g_config));
		crc0 = crc16_get((u8 *)&g_config, sizeof(g_config) - 2);
		if (crc0 != g_config.crc16) {
			mc_config_default();
			return;
		}
		fmc_write_data(0, (u8 *)&g_config, sizeof(g_config));
	}else {
		fmc_write_data(1, (u8 *)&g_config, sizeof(g_config));
	}
}

static void mc_config_default(void) {
	g_config.hall_offset = 0;
	for (int i = 0; i < 3; i++) {
		g_config.phase_op[i].op_i_k = 1;
		g_config.phase_op[i].op_i_offset = 0;;
	}
}