MC100/Applications/app/nv_storage.c

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


static motor_params_t m_params;
static foc_params_t   foc_params;

motor_params_t *nv_get_motor_params(void) {
	return &m_params;
}
foc_params_t *nv_get_foc_params(void) {
	return &foc_params;
}


void nv_save_hall_table(s32 *hall_table) {
	memcpy((char *)m_params.hall_table, (char *)hall_table, sizeof(m_params.hall_table));
	nv_save_motor_params();
}

void nv_save_hall_offset(s16 offset) {
	m_params.hall_offset = offset;
	nv_save_motor_params();
}


void nv_save_motor_params(void) {
	u16 crc = crc16_get((u8 *)&m_params, sizeof(m_params) - 2);
	m_params.crc16 = crc;
	fmc_write_data(0, (u8 *)&m_params, sizeof(m_params));
	fmc_write_data(1, (u8 *)&m_params, sizeof(m_params));
	m_params.valid = true;
}
void nv_read_motor_params(void) {
	fmc_read_data(0, (u8 *)&m_params, sizeof(m_params));
	u16 crc0 = crc16_get((u8 *)&m_params, sizeof(m_params) - 2);
	if (crc0 != m_params.crc16) {
		fmc_read_data(1, (u8 *)&m_params, sizeof(m_params));
		crc0 = crc16_get((u8 *)&m_params, sizeof(m_params) - 2);
		if (crc0 != m_params.crc16) {
			m_params.valid = false;
			return;
		}
		fmc_write_data(0, (u8 *)&m_params, sizeof(m_params));
	}else {
		fmc_write_data(1, (u8 *)&m_params, sizeof(m_params));
	}
	m_params.valid = true;
}
void nv_save_foc_params(void) {
	u16 crc = crc16_get((u8 *)&foc_params, sizeof(foc_params) - 2);
	foc_params.crc16 = crc;
	fmc_write_data(0, (u8 *)&foc_params, sizeof(foc_params));
	fmc_write_data(1, (u8 *)&foc_params, sizeof(foc_params));
	foc_params.valid = true;
}

void nv_read_foc_params(void) {
	fmc_read_data(0, (u8 *)&foc_params, sizeof(foc_params));
	u16 crc0 = crc16_get((u8 *)&foc_params, sizeof(foc_params) - 2);
	if (crc0 != foc_params.crc16) {
		fmc_read_data(1, (u8 *)&foc_params, sizeof(foc_params));
		crc0 = crc16_get((u8 *)&foc_params, sizeof(foc_params) - 2);
		if (crc0 != foc_params.crc16) {
			foc_params.valid = false;
			return;
		}
		fmc_write_data(0, (u8 *)&foc_params, sizeof(foc_params));
	}else {
		fmc_write_data(1, (u8 *)&foc_params, sizeof(foc_params));
	}
	foc_params.valid = true;
}