Zephyr: add new ISO hosts in GAP

The following tests added in PTS with ICS Audio
- GAP/SEC/SEM/BI-13-C
- GAP/BIS/BBM/BV-01-C
- GAP/BIS/BSE/BV-01-C

Signed-off-by: Dobrynin, Artur <artur.dobrynin@nordicsemi.no>

Author: ardo-nordic

autopts/ptsprojects/stack/layers/gap.py

@@ -108,6 +108,8 @@ def __init__(self, name, manufacturer_data, appearance, svc_data, flags,
         self.periodic_sync_established_rxed = False
         self.periodic_transfer_received = False
 
+        self.iso_channel_status = []
+
         # Used for MMI handling
         self.delay_mmi = False
         self.mmi_round = {}
@@ -282,3 +284,13 @@ def gap_wait_for_sec_lvl_change(self, level, timeout=5, addr=None):
 
     def gap_set_pair_user_interaction(self, user_interaction):
         self.pair_user_interaction = user_interaction
+
+    def gap_wait_for_iso_channel_status(self, status, timeout=5):
+        def _check_status():
+            if status in self.iso_channel_status:
+                self.iso_channel_status.remove(status)
+                return True
+            else:
+                return False
+
+        return wait_for_event(timeout, _check_status)

autopts/pybtp/btp/gap.py

@@ -38,7 +38,16 @@
     set_pts_addr,
 )
 from autopts.pybtp.btp.btp import get_iut_method as get_iut
-from autopts.pybtp.types import Addr, AdDuration, AdType, BTPError, OwnAddrType, addr2btp_ba, gap_settings_btp2txt
+from autopts.pybtp.types import (
+    Addr,
+    AdDuration,
+    AdType,
+    BTPError,
+    OwnAddrType,
+    addr2btp_ba,
+    gap_settings_btp2txt,
+    IsoChannelStatus,
+)
 
 GAP = {
     "start_adv": (defs.BTP_SERVICE_ID_GAP, defs.BTP_GAP_CMD_START_ADVERTISING,
@@ -145,6 +154,12 @@
     "padv_sync_transfer_recv": (defs.BTP_SERVICE_ID_GAP,
                                 defs.BTP_GAP_CMD_PADV_SYNC_TRANSFER_RECV,
                                 CONTROLLER_INDEX),
+    "iso_sync_big": (defs.BTP_SERVICE_ID_GAP,
+                     defs.BTP_GAP_CMD_ISO_SYNC_BIG, CONTROLLER_INDEX, ""),
+    "iso_create_big": (defs.BTP_SERVICE_ID_GAP,
+                       defs.BTP_GAP_CMD_ISO_CREATE_BIG, CONTROLLER_INDEX, ""),
+    "iso_send_pckt": (defs.BTP_SERVICE_ID_GAP,
+                      defs.BTP_GAP_CMD_ISO_SEND_PCKT, CONTROLLER_INDEX),
 }
 
 
@@ -406,6 +421,16 @@ def gap_encryption_change_ev_(gap, data, data_len):
     stack.gap.encryption_change_rcvd.data = (_addr_t, _addr, _encrypted, _key_size)
 
 
+def gap_iso_channel_changed_ev_(gap, data, data_len):
+    logging.debug("%s", gap_iso_channel_changed_ev_.__name__)
+
+    fmt = '<B'
+    status = struct.unpack(fmt, data)
+
+    stack = get_stack()
+    stack.gap.iso_channel_status.append(IsoChannelStatus(status[0]))
+
+
 GAP_EV = {
     defs.BTP_GAP_EV_NEW_SETTINGS: gap_new_settings_ev_,
     defs.BTP_GAP_EV_DEVICE_FOUND: gap_device_found_ev_,
@@ -425,6 +450,7 @@ def gap_encryption_change_ev_(gap, data, data_len):
     defs.BTP_GAP_EV_PERIODIC_REPORT: gap_padv_report_ev_,
     defs.BTP_GAP_EV_PERIODIC_TRANSFER_RECEIVED: gap_padv_transfer_received_ev_,
     defs.BTP_GAP_EV_ENCRYPTION_CHANGE: gap_encryption_change_ev_,
+    defs.BTP_GAP_EV_ISO_CHANNEL_CHANGED: gap_iso_channel_changed_ev_,
 }
 
 
@@ -1475,3 +1501,32 @@ def gap_padv_sync_transfer_recv(skip, sync_timeout, flags, addr_type=None, addr=
     iutctl.btp_socket.send(*GAP['padv_sync_transfer_recv'], data=data_ba)
 
     gap_command_rsp_succ()
+
+
+def gap_iso_sync_big():
+    logging.debug("%s", gap_iso_sync_big.__name__)
+
+    iutctl = get_iut()
+    iutctl.btp_socket.send(*GAP['iso_sync_big'])
+
+    gap_command_rsp_succ()
+
+
+def gap_iso_create_big():
+    logging.debug("%s", gap_iso_create_big.__name__)
+
+    iutctl = get_iut()
+    iutctl.btp_socket.send(*GAP['iso_create_big'])
+
+    gap_command_rsp_succ()
+
+
+def gap_iso_send_pckt(pkt_cnt):
+    logging.debug("%s", gap_iso_send_pckt.__name__)
+
+    iutctl = get_iut()
+
+    data_ba = bytearray(struct.pack('<B', pkt_cnt))
+    iutctl.btp_socket.send(*GAP['iso_send_pckt'], data=data_ba)
+
+    gap_command_rsp_succ()

autopts/pybtp/defs.py

@@ -145,6 +145,9 @@ def BIT(bit):
 BTP_GAP_CMD_PADV_SYNC_TRANSFER_SET_INFO = 0x27
 BTP_GAP_CMD_PADV_SYNC_TRANSFER_START = 0x28
 BTP_GAP_CMD_PADV_SYNC_TRANSFER_RECV = 0x29
+BTP_GAP_CMD_ISO_SYNC_BIG = 0x31
+BTP_GAP_CMD_ISO_CREATE_BIG = 0x32
+BTP_GAP_CMD_ISO_SEND_PCKT = 0x33
 BTP_GAP_CMD_PAIR_V2_MODE_1 = 0x01
 BTP_GAP_CMD_PAIR_V2_MODE_2 = 0x02
 BTP_GAP_CMD_PAIR_V2_MODE_3 = 0x03
@@ -180,6 +183,7 @@ def BIT(bit):
 BTP_GAP_EV_PERIODIC_REPORT = 0x8f
 BTP_GAP_EV_PERIODIC_TRANSFER_RECEIVED = 0x90
 BTP_GAP_EV_ENCRYPTION_CHANGE = 0x91
+BTP_GAP_EV_ISO_CHANNEL_CHANGED = 0x92
 BTP_GATT_CMD_READ_SUPPORTED_COMMANDS = 0x01
 GATT_SERVICE_PRIMARY = 0x00
 GATT_SERVICE_SECONDARY = 0x01

autopts/pybtp/types.py

@@ -497,3 +497,10 @@ class BIGEncryption:
     BROADCAST_CODE_REQUIRED = 0x01
     DECRYPTING = 0x02
     BAD_CODE = 0x03
+
+
+class IsoChannelStatus(IntEnum):
+    CONNECTED = 0x01
+    TRANSMITTING = 0x02
+    RECEIVING = 0x03
+    DISCONNECTED = 0x04

autopts/wid/gap.py

@@ -1473,10 +1473,17 @@ def hdl_wid_300(_: WIDParams):
     return True
 
 
-def hdl_wid_301(_: WIDParams):
+def hdl_wid_301(params: WIDParams):
     # Please click OK if IUT did not receive periodic advertising report.
+    # or
+    # Please click OK when IUT received periodic advertisement report.
     stack = get_stack()
-    return stack.gap.wait_periodic_report(10)
+
+    if params.test_case_name in ['GAP/BIS/BSE/BV-01-C', 'GAP/SEC/SEM/BI-13-C']:
+        btp.gap_padv_create_sync(0, 0, 10, 0)
+        return stack.gap.wait_periodic_established(10)
+    else:
+        return stack.gap.wait_periodic_report(10)
 
 
 def hdl_wid_302(_: WIDParams):
@@ -1544,6 +1551,60 @@ def hdl_wid_309(_: WIDParams):
     return stack.gap.wait_periodic_transfer_received(10)
 
 
+def hdl_wid_350(_: WIDParams):
+    # Please synchronize with Broadcast ISO request.
+    return True
+
+
+def hdl_wid_351(_: WIDParams):
+    # Wait for Broadcast ISO request.
+    stack = get_stack()
+    return stack.gap.gap_wait_for_iso_channel_status(types.IsoChannelStatus.CONNECTED)
+
+
+def hdl_wid_352(_: WIDParams):
+    # Please click OK when IUT establishes BIG sync, and ready to receive ISO data.
+    stack = get_stack()
+    btp.gap_iso_sync_big()
+    is_con = stack.gap.gap_wait_for_iso_channel_status(types.IsoChannelStatus.CONNECTED)
+    return is_con
+
+
+def hdl_wid_353(_: WIDParams):
+    # Please configure IUT security to Mode 3 Level 2 or Level 3.
+    return True
+
+
+def hdl_wid_354(_: WIDParams):
+    # Please synchronize to lower tester in Security Mode 3 Level 2 or 3.
+    # If IUT failed to synchnorize to the lower tester, please click ok.
+    btp.gap_iso_sync_big()
+
+    stack = get_stack()
+    is_discon = stack.gap.gap_wait_for_iso_channel_status(types.IsoChannelStatus.DISCONNECTED)
+    return is_discon
+
+
+def hdl_wid_356(_: WIDParams):
+    # Please broadcast valid ISO data packets (more than 3 packets).
+    stack = get_stack()
+    btp.gap_iso_send_pckt(4)
+
+    iso_pkt_count = 0
+    for _ in range(4):
+        if stack.gap.gap_wait_for_iso_channel_status(types.IsoChannelStatus.TRANSMITTING, 1):
+            iso_pkt_count += 1
+
+    return (iso_pkt_count == 4)
+
+
+def hdl_wid_357(_: WIDParams):
+    # Please send LE BIGInfo Advertising Report.
+    stack = get_stack()
+    btp.gap_iso_create_big()
+    return True
+
+
 def hdl_wid_400(_: WIDParams):
     btp.set_filter_accept_list()
     bd_addr = '000000000000'