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Finalized bi-directional communication

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Pinging the remote device works great, but a ssh connection leads to a stalled
connection
This commit is contained in:
ole.reinhardt@googlemail.com 2014-10-28 01:16:57 +00:00
parent 69b6ff0287
commit e3dd2f3b1e
1 changed files with 24 additions and 11 deletions
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35
example/libusb/panu_demo.c
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@ -2,7 +2,7 @@
/*
* panu_demo.c
* Copyright (C) 2014 Ole Reinhardt <ole.reinhardt@kernelconcepts.de>
*
*
*/
#include "btstack-config.h"
@ -44,6 +44,7 @@ static uint16_t bnep_protocol_id = 0x000f;
static uint16_t bnep_l2cap_psm = 0;
static uint16_t bnep_remote_uuid = 0;
static uint16_t bnep_version = 0;
static uint16_t bnep_cid = 0;
static uint8_t attribute_value[1000];
static const int attribute_value_buffer_size = sizeof(attribute_value);
@ -148,8 +149,15 @@ int process_tap_dev_data(struct data_source *ds)
} else {
fprintf(stderr, "TAP: Error while reading: %s\n", strerror(errno));
}
if (bnep_can_send_packet_now(bnep_cid)) {
bnep_send(bnep_cid, network_buffer, network_buffer_len);
network_buffer_len = 0;
} else {
/* park the current network packet */
run_loop_remove_data_source(&tap_dev_ds);
}
printf("Data from tap: %ld bytes\n", len);
return 0;
}
@ -256,11 +264,7 @@ static void handle_sdp_client_query_result(sdp_query_event_t *event)
}
}
printf("l2cap_psm 0x%04x, bnep_version 0x%04x\n", bnep_l2cap_psm, bnep_version);
/*
printf(" -> row data (length %d): ", value_event->attribute_length);
hexdumpf(attribute_value, value_event->attribute_length);
printf("\n");
*/
/* Create BNEP connection */
bnep_connect(NULL, &remote, bnep_l2cap_psm, bnep_remote_uuid);
}
@ -330,6 +334,7 @@ static void packet_handler (void * connection, uint8_t packet_type, uint16_t cha
uuid_source = READ_BT_16(packet, 3);
uuid_dest = READ_BT_16(packet, 5);
mtu = READ_BT_16(packet, 7);
bnep_cid = channel;
//bt_flip_addr(event_addr, &packet[9]);
memcpy(&event_addr, &packet[9], sizeof(bd_addr_t));
printf("BNEP connection from %s source UUID 0x%04x dest UUID: 0x%04x, max frame size: %u\n", bd_addr_to_str(event_addr), uuid_source, uuid_dest, mtu);
@ -343,6 +348,7 @@ static void packet_handler (void * connection, uint8_t packet_type, uint16_t cha
uuid_source = READ_BT_16(packet, 3);
uuid_dest = READ_BT_16(packet, 5);
mtu = READ_BT_16(packet, 7);
bnep_cid = channel;
//bt_flip_addr(event_addr, &packet[9]);
memcpy(&event_addr, &packet[9], sizeof(bd_addr_t));
printf("BNEP connection open succeeded to %s source UUID 0x%04x dest UUID: 0x%04x, max frame size %u\n", bd_addr_to_str(event_addr), uuid_source, uuid_dest, mtu);
@ -351,13 +357,12 @@ static void packet_handler (void * connection, uint8_t packet_type, uint16_t cha
if (tap_fd < 0) {
printf("Creating BNEP tap device failed: %s\n", strerror(errno));
} else {
printf("BNEP device \"%s\"allocated.\n", tap_dev_name);
printf("BNEP device \"%s\" allocated.\n", tap_dev_name);
/* Create and register a new runloop data source */
tap_dev_ds.fd = tap_fd;
tap_dev_ds.process = process_tap_dev_data;
run_loop_add_data_source(&tap_dev_ds);
}
}
break;
@ -370,16 +375,24 @@ static void packet_handler (void * connection, uint8_t packet_type, uint16_t cha
}
break;
case BNEP_EVENT_READY_TO_SEND:
/* Check for parked network packets and send it out now */
if (network_buffer_len > 0) {
bnep_send(bnep_cid, network_buffer, network_buffer_len);
network_buffer_len = 0;
/* Re-add the tap device data source */
run_loop_add_data_source(&tap_dev_ds);
}
break;
default:
break;
}
break;
case BNEP_DATA_PACKET:
printf("BNEP: Received %d bytes\n", size);
/* Write out the ethernet frame to the tap device */
if (tap_fd > 0) {
printf_hexdump(packet, size);
rc = write(tap_fd, packet, size);
if (rc < 0) {
fprintf(stderr, "TAP: Could not write to TAP device: %s\n", strerror(errno));