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fix(nimble): Fix prox service to handle negative values

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This commit is contained in:
Rahul Tank
2026-04-08 14:14:26 +05:30
parent e934bb10bc
commit f40b4612ec
1 changed files with 8 additions and 3 deletions
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nimble/host/services/prox/src/ble_svc_prox.c
+8 -3
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@@ -16,9 +16,12 @@
#if MYNEWT_VAL(BLE_GATTS) && CONFIG_BT_NIMBLE_PROX_SERVICE #if MYNEWT_VAL(BLE_GATTS) && CONFIG_BT_NIMBLE_PROX_SERVICE
/* Characteristic values */ /* Characteristic values */
static uint8_t ble_svc_prox_link_loss_alert; static uint8_t ble_svc_prox_link_loss_alert;
static uint8_t ble_svc_prox_alert; static int8_t ble_svc_prox_alert;
static uint8_t ble_svc_prox_tx_pwr_lvl = BLE_HS_ADV_TX_PWR_LVL_AUTO; static uint8_t ble_svc_prox_tx_pwr_lvl = BLE_HS_ADV_TX_PWR_LVL_AUTO;
#define BLE_SVC_PROX_HIGH_THRESHOLD (-70)
#define BLE_SVC_PROX_LOW_THRESHOLD (-100)
/* Characteristic value handles */ /* Characteristic value handles */
static uint16_t ble_svc_prox_link_loss_val_handle; static uint16_t ble_svc_prox_link_loss_val_handle;
static uint16_t ble_svc_prox_immediate_alert_loc_val_handle; static uint16_t ble_svc_prox_immediate_alert_loc_val_handle;
@@ -129,11 +132,13 @@ ble_prox_prph_alert_unalert(uint16_t conn_handle)
MODLOG_DFLT(ERROR, "conn_handle %d exceeds max connections", conn_handle); MODLOG_DFLT(ERROR, "conn_handle %d exceeds max connections", conn_handle);
return; return;
} }
if (ble_svc_prox_alert != 0 && !ble_svc_prox_alert_conn[conn_handle]) { if (ble_svc_prox_alert > BLE_SVC_PROX_HIGH_THRESHOLD &&
!ble_svc_prox_alert_conn[conn_handle]) {
MODLOG_DFLT(INFO, "Path loss exceeded threshold, starting alert for device with " MODLOG_DFLT(INFO, "Path loss exceeded threshold, starting alert for device with "
"conn_handle %d", conn_handle); "conn_handle %d", conn_handle);
ble_svc_prox_alert_conn[conn_handle] = true; ble_svc_prox_alert_conn[conn_handle] = true;
} else if (ble_svc_prox_alert == 0 && ble_svc_prox_alert_conn[conn_handle]) { } else if (ble_svc_prox_alert < BLE_SVC_PROX_LOW_THRESHOLD &&
ble_svc_prox_alert_conn[conn_handle]) {
MODLOG_DFLT(INFO, "Path loss lower than threshold, stopping alert for device with " MODLOG_DFLT(INFO, "Path loss lower than threshold, stopping alert for device with "
"conn_handle %d", conn_handle); "conn_handle %d", conn_handle);
ble_svc_prox_alert_conn[conn_handle] = false; ble_svc_prox_alert_conn[conn_handle] = false;