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436f5eb2f0182ce367527b79d8a855878aa57e59
EPD-nRF5/main.c
Shuanglei Tao 436f5eb2f0 remove epd callback
2025-04-26 19:00:51 +08:00

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/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
*
* The information contained herein is property of Nordic Semiconductor ASA.
* Terms and conditions of usage are described in detail in NORDIC
* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
*
* Licensees are granted free, non-transferable use of the information. NO
* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
* the file.
*
*/
#include <stdint.h>
#include <string.h>
#include "nordic_common.h"
#include "nrf.h"
#include "ble.h"
#include "ble_hci.h"
#include "ble_srv_common.h"
#include "ble_advdata.h"
#include "ble_advertising.h"
#include "ble_conn_params.h"
#if defined(S112)
#include "nrf_sdh.h"
#include "nrf_sdh_soc.h"
#include "nrf_sdh_ble.h"
#include "nrf_ble_gatt.h"
#else
#include "fstorage.h"
#include "softdevice_handler.h"
#endif
#include "nrf_power.h"
#include "app_error.h"
#include "app_timer.h"
#include "app_scheduler.h"
#include "nrf_drv_gpiote.h"
#include "nrf_pwr_mgmt.h"
#include "EPD_service.h"
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#if defined(S112)
#include "nrf_log_default_backends.h"
#endif
#define CENTRAL_LINK_COUNT 0 /**< Number of central links used by the application. When changing this number remember to adjust the RAM settings*/
#define PERIPHERAL_LINK_COUNT 1 /**< Number of peripheral links used by the application. When changing this number remember to adjust the RAM settings*/
#define DEVICE_NAME "NRF_EPD" /**< Name of device. Will be included in the advertising data. */
#define APP_ADV_INTERVAL 320 /**< The advertising interval (in units of 0.625 ms. This value corresponds to 200 ms). */
#define APP_ADV_TIMEOUT_IN_SECONDS 120 /**< The advertising timeout (in units of seconds). */
#define APP_TIMER_PRESCALER 0 /**< Value of the RTC1 PRESCALER register. */
#define APP_TIMER_OP_QUEUE_SIZE 4 /**< Size of timer operation queues. */
#if defined(S112)
#define APP_BLE_CONN_CFG_TAG 1 /**< A tag identifying the SoftDevice BLE configuration. */
#define APP_BLE_OBSERVER_PRIO 3 /**< Application's BLE observer priority. You shouldn't need to modify this value. */
#define TIMER_TICKS(MS) APP_TIMER_TICKS(MS)
#else
#define TIMER_TICKS(MS) APP_TIMER_TICKS(MS, APP_TIMER_PRESCALER)
// Low frequency clock source to be used by the SoftDevice
#define NRF_CLOCK_LFCLKSRC {.source = NRF_CLOCK_LF_SRC_SYNTH, \
.rc_ctiv = 0, \
.rc_temp_ctiv = 0, \
.xtal_accuracy = NRF_CLOCK_LF_XTAL_ACCURACY_20_PPM}
#endif
#define MIN_CONN_INTERVAL MSEC_TO_UNITS(7.5, UNIT_1_25_MS) /**< Minimum connection interval (7.5 ms) */
#define MAX_CONN_INTERVAL MSEC_TO_UNITS(30, UNIT_1_25_MS) /**< Maximum connection interval (30 ms). */
#define SLAVE_LATENCY 6 /**< Slave latency. */
#define CONN_SUP_TIMEOUT MSEC_TO_UNITS(430, UNIT_10_MS) /**< Connection supervisory timeout (430 ms). */
#define FIRST_CONN_PARAMS_UPDATE_DELAY TIMER_TICKS(5000) /**< Time from initiating event (connect or start of notification) to first time sd_ble_gap_conn_param_update is called (5 seconds). */
#define NEXT_CONN_PARAMS_UPDATE_DELAY TIMER_TICKS(30000) /**< Time between each call to sd_ble_gap_conn_param_update after the first call (30 seconds). */
#define MAX_CONN_PARAMS_UPDATE_COUNT 3 /**< Number of attempts before giving up the connection parameter negotiation. */
#define SCHED_MAX_EVENT_DATA_SIZE EPD_GUI_SCHD_EVENT_DATA_SIZE /**< Maximum size of scheduler events. */
#define SCHED_QUEUE_SIZE 10 /**< Maximum number of events in the scheduler queue. */
#define CLOCK_TIMER_INTERVAL TIMER_TICKS(1000) /**< Clock timer interval (ticks). */
#define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */
#if defined(S112)
NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */
BLE_ADVERTISING_DEF(m_advertising); /**< Advertising module instance. */
#endif
static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */
static ble_uuid_t m_adv_uuids[] = {{BLE_UUID_EPD_SVC, \
EPD_SVC_UUID_TYPE}}; /**< Universally unique service identifier. */
BLE_EPD_DEF(m_epd); /**< Structure to identify the EPD Service. */
static uint32_t m_timestamp = 1735689600; /**< Current timestamp. */
APP_TIMER_DEF(m_clock_timer_id); /**< Clock timer. */
/**@brief Callback function for asserts in the SoftDevice.
*
* @details This function will be called in case of an assert in the SoftDevice.
*
* @warning This handler is an example only and does not fit a final product. You need to analyze
* how your product is supposed to react in case of Assert.
* @warning On assert from the SoftDevice, the system can only recover on reset.
*
* @param[in] line_num Line number of the failing ASSERT call.
* @param[in] file_name File name of the failing ASSERT call.
*/
void assert_nrf_callback(uint16_t line_num, const uint8_t * p_file_name)
{
app_error_handler(DEAD_BEEF, line_num, p_file_name);
}
static void clock_timer_timeout_handler(void * p_context)
{
UNUSED_PARAMETER(p_context);
m_timestamp++;
ble_epd_on_timer(&m_epd, m_timestamp, false);
}
/**@brief Function for the Event Scheduler initialization.
*/
static void scheduler_init(void)
{
APP_SCHED_INIT(SCHED_MAX_EVENT_DATA_SIZE, SCHED_QUEUE_SIZE);
}
/**@brief Function for the Timer initialization.
*
* @details Initializes the timer module. This creates and starts application timers.
*/
static void timers_init(void)
{
// Initialize timer module.
#if defined(S112)
APP_ERROR_CHECK(app_timer_init());
#else
APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_OP_QUEUE_SIZE, false);
#endif
// Create timers.
APP_ERROR_CHECK(app_timer_create(&m_clock_timer_id,
APP_TIMER_MODE_REPEATED,
clock_timer_timeout_handler));
}
/**@brief Function for starting application timers.
*/
static void application_timers_start(void)
{
// Start application timers.
APP_ERROR_CHECK(app_timer_start(m_clock_timer_id, CLOCK_TIMER_INTERVAL, NULL));
}
/**@brief Function for putting the chip into sleep mode.
*
* @note This function will not return.
*/
void sleep_mode_enter(void)
{
NRF_LOG_DEBUG("Entering deep sleep mode\n");
ble_epd_sleep_prepare(&m_epd);
nrf_pwr_mgmt_shutdown(NRF_PWR_MGMT_SHUTDOWN_GOTO_SYSOFF);
}
/**@brief Function for initializing services that will be used by the application.
*/
static void services_init(void)
{
memset(&m_epd, 0, sizeof(ble_epd_t));
APP_ERROR_CHECK(ble_epd_init(&m_epd));
}
/**@brief Function for the GAP initialization.
*
* @details This function will set up all the necessary GAP (Generic Access Profile) parameters of
* the device. It also sets the permissions and appearance.
*/
static void gap_params_init(void)
{
char device_name[20];
ble_gap_addr_t addr;
ble_gap_conn_params_t gap_conn_params;
ble_gap_conn_sec_mode_t sec_mode;
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode);
#if defined(S112)
APP_ERROR_CHECK(sd_ble_gap_addr_get(&addr));
#else
APP_ERROR_CHECK(sd_ble_gap_address_get(&addr));
#endif
NRF_LOG_INFO("Bluetooth MAC Address: %02X:%02X:%02X:%02X:%02X:%02X\n",
addr.addr[5], addr.addr[4], addr.addr[3],
addr.addr[2], addr.addr[1], addr.addr[0]);
snprintf(device_name, 20, "%s_%02X%02X", DEVICE_NAME, addr.addr[1],addr.addr[0]);
APP_ERROR_CHECK(sd_ble_gap_device_name_set(&sec_mode,
(const uint8_t *)device_name,
strlen(device_name)));
memset(&gap_conn_params, 0, sizeof(gap_conn_params));
gap_conn_params.min_conn_interval = MIN_CONN_INTERVAL;
gap_conn_params.max_conn_interval = MAX_CONN_INTERVAL;
gap_conn_params.slave_latency = SLAVE_LATENCY;
gap_conn_params.conn_sup_timeout = CONN_SUP_TIMEOUT;
APP_ERROR_CHECK(sd_ble_gap_ppcp_set(&gap_conn_params));
}
/**@brief Function for handling an event from the Connection Parameters Module.
*
* @details This function will be called for all events in the Connection Parameters Module
* which are passed to the application.
*
* @note All this function does is to disconnect. This could have been done by simply setting
* the disconnect_on_fail config parameter, but instead we use the event handler
* mechanism to demonstrate its use.
*
* @param[in] p_evt Event received from the Connection Parameters Module.
*/
static void on_conn_params_evt(ble_conn_params_evt_t * p_evt)
{
if (p_evt->evt_type == BLE_CONN_PARAMS_EVT_FAILED)
{
APP_ERROR_CHECK(sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_CONN_INTERVAL_UNACCEPTABLE));
}
}
/**@brief Function for handling errors from the Connection Parameters module.
*
* @param[in] nrf_error Error code containing information about what went wrong.
*/
static void conn_params_error_handler(uint32_t nrf_error)
{
APP_ERROR_HANDLER(nrf_error);
}
/**@brief Function for initializing the Connection Parameters module.
*/
static void conn_params_init(void)
{
ble_conn_params_init_t cp_init;
memset(&cp_init, 0, sizeof(cp_init));
cp_init.p_conn_params = NULL;
cp_init.first_conn_params_update_delay = FIRST_CONN_PARAMS_UPDATE_DELAY;
cp_init.next_conn_params_update_delay = NEXT_CONN_PARAMS_UPDATE_DELAY;
cp_init.max_conn_params_update_count = MAX_CONN_PARAMS_UPDATE_COUNT;
cp_init.start_on_notify_cccd_handle = BLE_GATT_HANDLE_INVALID;
cp_init.disconnect_on_fail = false;
cp_init.evt_handler = on_conn_params_evt;
cp_init.error_handler = conn_params_error_handler;
APP_ERROR_CHECK(ble_conn_params_init(&cp_init));
}
static void advertising_start(void)
{
NRF_LOG_INFO("advertising start\n");
#if defined(S112)
APP_ERROR_CHECK(ble_advertising_start(&m_advertising, BLE_ADV_MODE_FAST));
#else
APP_ERROR_CHECK(ble_advertising_start(BLE_ADV_MODE_FAST));
#endif
}
void gpiote_evt_handler(nrf_drv_gpiote_pin_t pin, nrf_gpiote_polarity_t action) {
NRF_LOG_DEBUG("pin: %d, event: %d\n", pin, action);
nrf_drv_gpiote_in_event_disable(pin);
nrf_drv_gpiote_in_uninit(pin);
nrf_drv_gpiote_uninit();
advertising_start();
}
static void setup_wakeup_pin(nrf_drv_gpiote_pin_t pin) {
NRF_LOG_DEBUG("Setting up wakeup pin\n");
APP_ERROR_CHECK(nrf_drv_gpiote_init());
nrf_drv_gpiote_in_config_t config = GPIOTE_CONFIG_IN_SENSE_LOTOHI(false);
APP_ERROR_CHECK(nrf_drv_gpiote_in_init(pin, &config, gpiote_evt_handler));
nrf_drv_gpiote_in_event_enable(pin, true);
}
/**@brief Function for handling advertising events.
*
* @details This function will be called for advertising events which are passed to the application.
*
* @param[in] ble_adv_evt Advertising event.
*/
static void on_adv_evt(ble_adv_evt_t ble_adv_evt)
{
switch (ble_adv_evt)
{
case BLE_ADV_EVT_FAST:
break;
case BLE_ADV_EVT_IDLE:
NRF_LOG_INFO("advertising timeout\n");
if (m_epd.config.wakeup_pin != 0xFF) {
if (m_epd.display_mode != MODE_NONE)
setup_wakeup_pin(m_epd.config.wakeup_pin);
else
sleep_mode_enter();
} else {
advertising_start();
}
break;
default:
break;
}
}
/**@brief Function for the application's SoftDevice event handler.
*
* @param[in] p_ble_evt SoftDevice event.
*/
static void on_ble_evt(ble_evt_t * p_ble_evt)
{
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_CONNECTED:
NRF_LOG_INFO("CONNECTED\n");
m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
break;
case BLE_GAP_EVT_DISCONNECTED:
NRF_LOG_INFO("DISCONNECTED\n");
m_conn_handle = BLE_CONN_HANDLE_INVALID;
#if !defined(S112)
advertising_start();
#endif
break;
#if defined(S112)
case BLE_GAP_EVT_PHY_UPDATE_REQUEST:
{
NRF_LOG_DEBUG("PHY update request.");
ble_gap_phys_t const phys =
{
.rx_phys = BLE_GAP_PHY_AUTO,
.tx_phys = BLE_GAP_PHY_AUTO,
};
APP_ERROR_CHECK(sd_ble_gap_phy_update(p_ble_evt->evt.gap_evt.conn_handle, &phys));
} break;
#endif
case BLE_GAP_EVT_SEC_PARAMS_REQUEST:
// Pairing not supported
APP_ERROR_CHECK(sd_ble_gap_sec_params_reply(m_conn_handle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL, NULL));
break;
case BLE_GATTS_EVT_SYS_ATTR_MISSING:
// No system attributes have been stored.
APP_ERROR_CHECK(sd_ble_gatts_sys_attr_set(m_conn_handle, NULL, 0, 0));
break;
case BLE_GATTC_EVT_TIMEOUT:
// Disconnect on GATT Client timeout event.
APP_ERROR_CHECK(sd_ble_gap_disconnect(p_ble_evt->evt.gattc_evt.conn_handle,
BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION));
break;
case BLE_GATTS_EVT_TIMEOUT:
// Disconnect on GATT Server timeout event.
APP_ERROR_CHECK(sd_ble_gap_disconnect(p_ble_evt->evt.gatts_evt.conn_handle,
BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION));
break;
default:
// No implementation needed.
break;
}
}
#if defined(S112)
/**@brief Function for handling BLE events.
*
* @param[in] p_ble_evt Bluetooth stack event.
* @param[in] p_context Unused.
*/
static void ble_evt_handler(ble_evt_t const * p_ble_evt, void * p_context)
{
UNUSED_PARAMETER(p_context);
on_ble_evt((ble_evt_t *)p_ble_evt);
}
#else
/**@brief Function for dispatching a SoftDevice event to all modules with a SoftDevice
* event handler.
*
* @details This function is called from the SoftDevice event interrupt handler after a
* SoftDevice event has been received.
*
* @param[in] p_ble_evt SoftDevice event.
*/
static void ble_evt_dispatch(ble_evt_t * p_ble_evt)
{
ble_conn_params_on_ble_evt(p_ble_evt);
ble_epd_on_ble_evt(&m_epd, p_ble_evt);
on_ble_evt(p_ble_evt);
ble_advertising_on_ble_evt(p_ble_evt);
}
/**@brief Function for dispatching a system event to interested modules.
*
* @details This function is called from the System event interrupt handler after a system
* event has been received.
*
* @param[in] sys_evt System stack event.
*/
static void sys_evt_dispatch(uint32_t sys_evt)
{
// Dispatch the system event to the fstorage module, where it will be
// dispatched to the Flash Data Storage (FDS) module.
fs_sys_event_handler(sys_evt);
// Dispatch to the Advertising module last, since it will check if there are any
// pending flash operations in fstorage. Let fstorage process system events first,
// so that it can report correctly to the Advertising module.
ble_advertising_on_sys_evt(sys_evt);
}
#endif
/**@brief Function for the SoftDevice initialization.
*
* @details This function initializes the SoftDevice and the BLE event interrupt.
*/
static void ble_stack_init(void)
{
#if defined(S112)
APP_ERROR_CHECK(nrf_sdh_enable_request());
// Configure the BLE stack using the default settings.
// Fetch the start address of the application RAM.
uint32_t ram_start = 0;
APP_ERROR_CHECK(nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start));
// Enable BLE stack.
APP_ERROR_CHECK(nrf_sdh_ble_enable(&ram_start));
// Register a handler for BLE events.
NRF_SDH_BLE_OBSERVER(m_ble_observer, APP_BLE_OBSERVER_PRIO, ble_evt_handler, NULL);
#else
nrf_clock_lf_cfg_t clock_lf_cfg = NRF_CLOCK_LFCLKSRC;
// Initialize the SoftDevice handler module.
SOFTDEVICE_HANDLER_INIT(&clock_lf_cfg, NULL);
ble_enable_params_t ble_enable_params;
APP_ERROR_CHECK(softdevice_enable_get_default_config(CENTRAL_LINK_COUNT,
PERIPHERAL_LINK_COUNT,
&ble_enable_params));
// Check the ram settings against the used number of links
CHECK_RAM_START_ADDR(CENTRAL_LINK_COUNT,PERIPHERAL_LINK_COUNT);
// Enable BLE stack.
APP_ERROR_CHECK(softdevice_enable(&ble_enable_params));
// Subscribe for BLE events.
APP_ERROR_CHECK(softdevice_ble_evt_handler_set(ble_evt_dispatch));
// Subscribe for System events.
APP_ERROR_CHECK(softdevice_sys_evt_handler_set(sys_evt_dispatch));
#endif
}
#if defined(S112)
/**@brief Function for handling events from the GATT library. */
void gatt_evt_handler(nrf_ble_gatt_t * p_gatt, nrf_ble_gatt_evt_t const * p_evt)
{
if ((m_conn_handle == p_evt->conn_handle) && (p_evt->evt_id == NRF_BLE_GATT_EVT_ATT_MTU_UPDATED))
{
m_epd.max_data_len = p_evt->params.att_mtu_effective - 3;
NRF_LOG_INFO("Data len is set to 0x%X(%d)", m_epd.max_data_len, m_epd.max_data_len);
}
NRF_LOG_DEBUG("ATT MTU exchange completed. central 0x%x peripheral 0x%x",
p_gatt->att_mtu_desired_central,
p_gatt->att_mtu_desired_periph);
}
/**@brief Function for initializing the GATT library. */
void gatt_init(void)
{
APP_ERROR_CHECK(nrf_ble_gatt_init(&m_gatt, gatt_evt_handler));
APP_ERROR_CHECK(nrf_ble_gatt_att_mtu_periph_set(&m_gatt, NRF_SDH_BLE_GATT_MAX_MTU_SIZE));
}
#else
// Set BW Config to HIGH.
static void ble_options_set(void)
{
ble_opt_t ble_opt;
memset(&ble_opt, 0, sizeof(ble_opt));
ble_opt.common_opt.conn_bw.role = BLE_GAP_ROLE_PERIPH;
ble_opt.common_opt.conn_bw.conn_bw.conn_bw_rx = BLE_CONN_BW_HIGH;
ble_opt.common_opt.conn_bw.conn_bw.conn_bw_tx = BLE_CONN_BW_HIGH;
APP_ERROR_CHECK(sd_ble_opt_set(BLE_COMMON_OPT_CONN_BW, &ble_opt));
}
#endif
/**@brief Function for initializing the Advertising functionality.
*/
static void advertising_init(void)
{
#if defined(S112)
ble_advertising_init_t init;
memset(&init, 0, sizeof(init));
init.advdata.name_type = BLE_ADVDATA_FULL_NAME;
init.advdata.include_appearance = false;
init.advdata.flags = BLE_GAP_ADV_FLAGS_LE_ONLY_LIMITED_DISC_MODE;
init.srdata.uuids_complete.uuid_cnt = sizeof(m_adv_uuids) / sizeof(m_adv_uuids[0]);
init.srdata.uuids_complete.p_uuids = m_adv_uuids;
init.config.ble_adv_fast_enabled = true;
init.config.ble_adv_fast_interval = APP_ADV_INTERVAL;
init.config.ble_adv_fast_timeout = APP_ADV_TIMEOUT_IN_SECONDS * 100;
init.evt_handler = on_adv_evt;
APP_ERROR_CHECK(ble_advertising_init(&m_advertising, &init));
ble_advertising_conn_cfg_tag_set(&m_advertising, APP_BLE_CONN_CFG_TAG);
#else
ble_advdata_t advdata;
ble_advdata_t scanrsp;
ble_adv_modes_config_t options;
// Build advertising data struct to pass into @ref ble_advertising_init.
memset(&advdata, 0, sizeof(advdata));
advdata.name_type = BLE_ADVDATA_FULL_NAME;
advdata.include_appearance = false;
advdata.flags = BLE_GAP_ADV_FLAGS_LE_ONLY_LIMITED_DISC_MODE;
memset(&scanrsp, 0, sizeof(scanrsp));
scanrsp.uuids_complete.uuid_cnt = sizeof(m_adv_uuids) / sizeof(m_adv_uuids[0]);
scanrsp.uuids_complete.p_uuids = m_adv_uuids;
memset(&options, 0, sizeof(options));
options.ble_adv_fast_enabled = true;
options.ble_adv_fast_interval = APP_ADV_INTERVAL;
options.ble_adv_fast_timeout = APP_ADV_TIMEOUT_IN_SECONDS;
APP_ERROR_CHECK(ble_advertising_init(&advdata, &scanrsp, &options, on_adv_evt, NULL));
#endif
}
// return current timestamp
uint32_t timestamp(void)
{
return m_timestamp;
}
void set_timestamp(uint32_t timestamp)
{
app_timer_stop(m_clock_timer_id);
m_timestamp = timestamp;
app_timer_start(m_clock_timer_id, CLOCK_TIMER_INTERVAL, NULL);
}
/**@brief Function for initializing the nrf log module.
*/
static void log_init(void)
{
APP_ERROR_CHECK(NRF_LOG_INIT(timestamp));
#if defined(S112)
NRF_LOG_DEFAULT_BACKENDS_INIT();
#endif
}
/**@brief Function for initializing power management.
*/
static void power_management_init(void)
{
#if defined(S112)
APP_ERROR_CHECK(nrf_pwr_mgmt_init());
#else
APP_ERROR_CHECK(nrf_pwr_mgmt_init(APP_TIMER_TICKS(1000, APP_TIMER_PRESCALER)));
#endif
}
/**@brief Function for handling the idle state (main loop).
*
* @details If there is no pending log operation, then sleep until next the next event occurs.
*/
static void idle_state_handle(void)
{
if (NRF_LOG_PROCESS() == false)
nrf_pwr_mgmt_run();
}
/**@brief Function for application main entry.
*/
int main(void)
{
log_init();
NRF_LOG_DEBUG("init..\n");
timers_init();
power_management_init();
ble_stack_init();
scheduler_init();
gap_params_init();
#if defined(S112)
gatt_init();
#else
ble_options_set();
#endif
services_init();
advertising_init();
conn_params_init();
NRF_LOG_DEBUG("start..\n");
// Start execution.
application_timers_start();
advertising_start();
NRF_LOG_DEBUG("done.\n");
for (;;)
{
app_sched_execute();
idle_state_handle();
}
}
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