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gatt_client: fix handling of ATT_EVENT_MTU_EXCHANGE_COMPLETE

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This commit is contained in:
Matthias Ringwald 2018-02-19 15:21:21 +01:00
parent 8c41f31fe1
commit 0fbf59a1c1
1 changed files with 17 additions and 9 deletions
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26
src/ble/gatt_client.c
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@ -1077,14 +1077,28 @@ static void gatt_client_hci_event_packet_handler(uint8_t packet_type, uint16_t c
static void gatt_client_att_packet_handler(uint8_t packet_type, uint16_t handle, uint8_t *packet, uint16_t size){
if (packet_type == HCI_EVENT_PACKET && packet[0] == L2CAP_EVENT_CAN_SEND_NOW){
gatt_client_run();
gatt_client_t * peripheral;
if (packet_type == HCI_EVENT_PACKET) {
switch (packet[0]){
case L2CAP_EVENT_CAN_SEND_NOW:
gatt_client_run();
break;
// att_server has negotiated the mtu for this connection, cache if context exists
case ATT_EVENT_MTU_EXCHANGE_COMPLETE:
peripheral = get_gatt_client_context_for_handle(handle);
if (!peripheral) break;
peripheral->mtu = little_endian_read_16(packet, 4);
break;
default:
break;
}
return;
}
if (packet_type != ATT_DATA_PACKET) return;
// special cases: notifications don't need a context while indications motivate creating one
gatt_client_t * peripheral;
switch (packet[0]){
case ATT_HANDLE_VALUE_NOTIFICATION:
report_gatt_notification(handle, little_endian_read_16(packet,1), &packet[3], size-3);
@ -1100,12 +1114,6 @@ static void gatt_client_att_packet_handler(uint8_t packet_type, uint16_t handle,
if (!peripheral) return;
switch (packet[0]){
// att_server has negotiated the mtu for this connection
case ATT_EVENT_MTU_EXCHANGE_COMPLETE:
{
peripheral->mtu = little_endian_read_16(packet, 4);
break;
}
case ATT_EXCHANGE_MTU_RESPONSE:
{
uint16_t remote_rx_mtu = little_endian_read_16(packet, 1);