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DFU 모듈 분리

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jhchun
2026-07-21 12:33:54 +09:00
parent a83c9d11fa
commit b8fa7831c7
3 changed files with 262 additions and 227 deletions
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src/dfu/dfu_manager.c
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/*******************************************************************************
* @file dfu_manager.c
* @brief DFU state, watchdog, and MCUboot image control
******************************************************************************/
#include <zephyr/kernel.h>
#include <zephyr/dfu/mcuboot.h>
#include <zephyr/mgmt/mcumgr/mgmt/callbacks.h>
#include <hal/nrf_power.h>
#include "main.h"
#include "dfu_manager.h"
#include "debug_print.h"
#include "led_control.h"
#include "ble_service.h"
#define DFU_STALL_TIMEOUT_SEC 30 // DFU upload stall disconnect threshold
#define IMG_MGMT_ID_STATE 0U
#define IMG_MGMT_ID_UPLOAD 1U
static bool dfu_led_active; // DFU upload green LED state
static struct k_work_delayable dfu_watchdog_work; // DFU upload stall watchdog
static void dfu_watchdog_handler(struct k_work *work);
static enum mgmt_cb_return dfu_status_cb(uint32_t event,
enum mgmt_cb_return prev_status,
int32_t *rc,
uint16_t *group,
bool *abort_more,
void *data,
size_t data_size);
static enum mgmt_cb_return smp_cmd_status_cb(uint32_t event,
enum mgmt_cb_return prev_status,
int32_t *rc,
uint16_t *group,
bool *abort_more,
void *data,
size_t data_size);
static struct mgmt_callback dfu_status_callback = {
.callback = dfu_status_cb,
.event_id = MGMT_EVT_OP_IMG_MGMT_DFU_STARTED |
MGMT_EVT_OP_IMG_MGMT_DFU_CHUNK |
MGMT_EVT_OP_IMG_MGMT_DFU_CHUNK_WRITE_COMPLETE |
MGMT_EVT_OP_IMG_MGMT_DFU_PENDING |
MGMT_EVT_OP_IMG_MGMT_DFU_STOPPED,
};
static struct mgmt_callback smp_cmd_status_callback = {
.callback = smp_cmd_status_cb,
.event_id = MGMT_EVT_OP_CMD_DONE,
};
/* DFU watchdog와 mcumgr 콜백 초기화 */
void dfu_manager_init(void)
{
k_work_init_delayable(&dfu_watchdog_work, dfu_watchdog_handler);
mgmt_callback_register(&dfu_status_callback);
mgmt_callback_register(&smp_cmd_status_callback);
}
/* 현재 이미지가 confirm 대기 상태인지 확인 */
bool dfu_is_confirm_pending_boot(void)
{
#if defined(CONFIG_BOOTLOADER_MCUBOOT)
return !boot_is_img_confirmed();
#else
return false;
#endif
}
/* 실행 중 이미지 confirm 처리 */
void dfu_confirm_running_image(void)
{
#if defined(CONFIG_BOOTLOADER_MCUBOOT)
if (!boot_is_img_confirmed())
{
int err = boot_write_img_confirmed();
if (err == 0)
{
DBG_CORE("[DFU] Running image confirmed\r\n");
}
else
{
DBG_ERR("[DFU] Image confirm failed (err %d)\r\n", err);
}
}
else
{
DBG_CORE("[DFU] Running image already confirmed\r\n");
}
#endif
}
/* MCUboot swap 상태 문자열 변환 */
static const char *swap_type_to_str(int swap_type)
{
switch (swap_type)
{
case BOOT_SWAP_TYPE_NONE:
return "none";
case BOOT_SWAP_TYPE_TEST:
return "test";
case BOOT_SWAP_TYPE_PERM:
return "perm";
case BOOT_SWAP_TYPE_REVERT:
return "revert";
case BOOT_SWAP_TYPE_FAIL:
return "fail";
default:
return "unknown";
}
}
/* MCUboot 이미지 상태 로그 출력 */
void dfu_log_mcuboot_state(void)
{
#if defined(CONFIG_BOOTLOADER_MCUBOOT)
struct mcuboot_img_header header;
uint8_t active_slot = boot_fetch_active_slot();
int swap_type = mcuboot_swap_type();
int err = boot_read_bank_header(active_slot, &header, sizeof(header));
DBG_CORE("[DFU] active_slot=%u swap_type=%s(%d) confirmed=%d\r\n",
active_slot,
swap_type_to_str(swap_type),
swap_type,
boot_is_img_confirmed());
if (err == 0)
{
DBG_CORE("[DFU] image version %u.%u.%u+%u size=0x%x\r\n",
header.h.v1.sem_ver.major,
header.h.v1.sem_ver.minor,
header.h.v1.sem_ver.revision,
header.h.v1.sem_ver.build_num,
header.h.v1.image_size);
}
else
{
DBG_ERR("[DFU] image header read failed (slot %u, err %d)\r\n",
active_slot,
err);
}
#endif
}
/* DFU 업로드 무진행 시 BLE 연결 강제 해제 */
static void dfu_watchdog_handler(struct k_work *work)
{
ARG_UNUSED(work);
if (ble_is_connected())
{
DBG_CORE("[DFU] upload stalled (%ds), forcing disconnect\r\n", DFU_STALL_TIMEOUT_SEC);
(void)ble_disconnect_active();
}
}
/* DFU 업로드 상태에 따라 LED와 watchdog 제어 */
static enum mgmt_cb_return dfu_status_cb(uint32_t event, enum mgmt_cb_return prev_status, int32_t *rc, uint16_t *group, bool *abort_more, void *data, size_t data_size)
{
ARG_UNUSED(prev_status);
ARG_UNUSED(rc);
ARG_UNUSED(group);
ARG_UNUSED(abort_more);
ARG_UNUSED(data);
ARG_UNUSED(data_size);
switch (event)
{
case MGMT_EVT_OP_IMG_MGMT_DFU_STARTED:
case MGMT_EVT_OP_IMG_MGMT_DFU_CHUNK:
case MGMT_EVT_OP_IMG_MGMT_DFU_CHUNK_WRITE_COMPLETE:
dfu_led_active = true;
led_ble_solid();
k_work_reschedule(&dfu_watchdog_work, K_SECONDS(DFU_STALL_TIMEOUT_SEC));
break;
case MGMT_EVT_OP_IMG_MGMT_DFU_PENDING:
dfu_led_active = true;
led_ble_solid();
k_work_cancel_delayable(&dfu_watchdog_work);
#if NRF_POWER_HAS_GPREGRET
nrf_power_gpregret_set(NRF_POWER, DFU_RESUME_GPREGRET_REG, DFU_RESUME_MAGIC);
#endif
break;
case MGMT_EVT_OP_IMG_MGMT_DFU_STOPPED:
k_work_cancel_delayable(&dfu_watchdog_work);
if (dfu_led_active)
{
dfu_led_active = false;
led_set_state(LED_STATE_ADVERTISING);
}
break;
default:
break;
}
return MGMT_CB_OK;
}
/* DFU 명령 실패 시 LED와 resume 플래그 복구 */
static enum mgmt_cb_return smp_cmd_status_cb(uint32_t event, enum mgmt_cb_return prev_status, int32_t *rc, uint16_t *group, bool *abort_more, void *data, size_t data_size)
{
ARG_UNUSED(event);
ARG_UNUSED(prev_status);
ARG_UNUSED(rc);
ARG_UNUSED(group);
ARG_UNUSED(abort_more);
if (data == NULL || data_size != sizeof(struct mgmt_evt_op_cmd_arg))
{
return MGMT_CB_OK;
}
const struct mgmt_evt_op_cmd_arg *cmd = data;
if (cmd->group == MGMT_GROUP_ID_IMAGE &&
(cmd->id == IMG_MGMT_ID_UPLOAD || cmd->id == IMG_MGMT_ID_STATE) &&
cmd->err != MGMT_ERR_EOK)
{
DBG_ERR("[DFU] command failed id=%u err=%d\r\n", cmd->id, cmd->err);
dfu_led_active = false;
led_set_state(LED_STATE_ADVERTISING);
#if NRF_POWER_HAS_GPREGRET
nrf_power_gpregret_set(NRF_POWER, DFU_RESUME_GPREGRET_REG, 0U);
#endif
}
return MGMT_CB_OK;
}