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Workaround for a issue when the FDS (flash data storage for BLE softdevice)) memory is full (it prevent the app from running correctly and just display a black screen) : if the fds cannot init, erase the memory and try again.

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JF 2020-03-15 18:00:41 +01:00
parent 6c4afdc4f3
commit eabb54f15d
1 changed files with 45 additions and 0 deletions
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45
src/BLE/BleManager.c
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@ -13,6 +13,7 @@
#include <ble/ble_services/ble_bas/ble_bas.h>
#include <ble/ble_services/ble_dis/ble_dis.h>
#include <ble/common/ble_conn_params.h>
#include <libraries/fds/fds.h>
#include "nrf_sdh_soc.h"
#include "BleManager.h"
@ -270,11 +271,42 @@ void ble_manager_advertising_event_handler(ble_adv_evt_t ble_adv_evt) {
}
}
bool record_delete_next(void)
{
fds_find_token_t tok = {0};
fds_record_desc_t desc = {0};
if (fds_record_iterate(&desc, &tok) == FDS_SUCCESS)
{
ret_code_t rc = fds_record_delete(&desc);
if (rc != FDS_SUCCESS)
{
return false;
}
return true;
}
else
{
/* No records left to delete. */
return false;
}
}
void ble_manager_init_peer_manager() {
ble_gap_sec_params_t sec_param;
ret_code_t err_code;
err_code = pm_init();
if(err_code != NRF_SUCCESS) {
// Many errors can occur here, but the most probable is the "Storage full" error from sdk/components/libraries/fds/fds.c : FDS_ERR_NO_PAGES.
// TODO : it erases the whole memory, it's not nice to do that...
NRF_LOG_WARNING("Error while initializing BLE peer management, Erasing all record from memory");
do {
} while(record_delete_next());
err_code = pm_init();
}
APP_ERROR_CHECK(err_code);
memset(&sec_param, 0, sizeof(ble_gap_sec_params_t));
@ -320,6 +352,19 @@ void ble_manager_peer_manager_event_handler(pm_evt_t const *p_evt) {
ble_manager_start_advertising(&delete_bonds);
break;
case PM_EVT_STORAGE_FULL: {
// Run garbage collection on the flash.
err_code = fds_gc();
if (err_code == FDS_ERR_BUSY || err_code == FDS_ERR_NO_SPACE_IN_QUEUES)
{
// Retry.
}
else
{
APP_ERROR_CHECK(err_code);
}
}break;
default:
break;
}