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h5: track time receiving SLIP frame

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This commit is contained in:
Matthias Ringwald 2017-10-12 10:31:52 +02:00
parent f7ceae3115
commit e9ff703eac
1 changed files with 13 additions and 0 deletions
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13
src/hci_transport_h5.c
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@ -736,10 +736,23 @@ static void hci_transport_h5_read_next_byte(void){
btstack_uart->receive_block(&hci_transport_link_read_byte, 1);
}
// track time receiving SLIP frame
static uint32_t hci_transport_h5_receive_start;
static void hci_transport_h5_block_received(){
// track start time when receiving first byte // a bit hackish
if (hci_transport_h5_receive_start == 0 && hci_transport_link_read_byte != BTSTACK_SLIP_SOF){
hci_transport_h5_receive_start = btstack_run_loop_get_time_ms();
}
btstack_slip_decoder_process(hci_transport_link_read_byte);
uint16_t frame_size = btstack_slip_decoder_frame_size();
if (frame_size) {
// track time
uint32_t packet_receive_time = btstack_run_loop_get_time_ms() - hci_transport_h5_receive_start;
uint32_t nominmal_time = (frame_size + 6) * 10 * 1000 / uart_config.baudrate;
log_info("slip frame time %u ms for %u decoded bytes. nomimal time %u ms", (int) packet_receive_time, frame_size, (int) nominmal_time);
// reset state
hci_transport_h5_receive_start = 0;
//
hci_transport_h5_process_frame(frame_size);
hci_transport_slip_init();
}