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feat(nimble): Added support for EATT Credit Based Flow Control Mode

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This commit is contained in:
Sumeet Singh
2024-12-16 15:11:58 +05:30
parent 91baeeb61c
commit d6d361ff7f
6 changed files with 186 additions and 4 deletions
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examples/bluetooth/nimble/bleprph/main/main.c
+37 -1
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@@ -45,6 +45,11 @@ static uint8_t own_addr_type = BLE_OWN_ADDR_RANDOM;
static uint8_t own_addr_type;
#endif
#if MYNEWT_VAL(BLE_EATT_CHAN_NUM) > 0
static uint16_t cids[MYNEWT_VAL(BLE_EATT_CHAN_NUM)];
static uint16_t bearers;
#endif
void ble_store_config_init(void);
/**
@@ -416,13 +421,37 @@ bleprph_gap_event(struct ble_gap_event *event, void *arg)
event->transmit_power.delta);
return 0;
case BLE_GAP_EVENT_PATHLOSS_THRESHOLD:
case BLE_GAP_EVENT_PATHLOSS_THRESHOLD:
MODLOG_DFLT(INFO, "Pathloss threshold event : conn_handle=%d current path loss=%d "
"zone_entered =%d",
event->pathloss_threshold.conn_handle,
event->pathloss_threshold.current_path_loss,
event->pathloss_threshold.zone_entered);
return 0;
#endif
#if MYNEWT_VAL(BLE_EATT_CHAN_NUM) > 0
case BLE_GAP_EVENT_EATT:
MODLOG_DFLT(INFO, "EATT %s : conn_handle=%d cid=%d",
event->eatt.status ? "disconnected" : "connected",
event->eatt.conn_handle,
event->eatt.cid);
if (event->eatt.status) {
/* Abort if disconnected */
return 0;
}
cids[bearers] = event->eatt.cid;
bearers += 1;
if (bearers != MYNEWT_VAL(BLE_EATT_CHAN_NUM)) {
/* Wait until all EATT bearers are connected before proceeding */
return 0;
}
/* Set the default bearer to use for further procedures */
rc = ble_att_set_default_bearer_using_cid(event->eatt.conn_handle, cids[0]);
if (rc != 0) {
MODLOG_DFLT(INFO, "Cannot set default EATT bearer, rc = %d\n", rc);
return rc;
}
return 0;
#endif
}
@@ -566,4 +595,11 @@ app_main(void)
if (rc != ESP_OK) {
ESP_LOGE(tag, "scli_init() failed");
}
#if MYNEWT_VAL(BLE_EATT_CHAN_NUM) > 0
bearers = 0;
for (int i = 0; i < MYNEWT_VAL(BLE_EATT_CHAN_NUM); i++) {
cids[i] = 0;
}
#endif
}