tests/multi_bluetooth: Add test for descriptors.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

1 files changed, 185 insertions, 0 deletions

diff --git a/tests/multi_bluetooth/ble_descriptor.py b/tests/multi_bluetooth/ble_descriptor.py
new file mode 100644
index 0000000000..3effda9268
--- /dev/null
+++ b/tests/multi_bluetooth/ble_descriptor.py
@@ -0,0 +1,185 @@
+# Test characteristic read/write/notify from both GATTS and GATTC.
+
+from micropython import const
+import time, machine, bluetooth
+
+TIMEOUT_MS = 5000
+
+_IRQ_CENTRAL_CONNECT = const(1)
+_IRQ_CENTRAL_DISCONNECT = const(2)
+_IRQ_GATTS_WRITE = const(3)
+_IRQ_PERIPHERAL_CONNECT = const(7)
+_IRQ_PERIPHERAL_DISCONNECT = const(8)
+_IRQ_GATTC_CHARACTERISTIC_RESULT = const(11)
+_IRQ_GATTC_CHARACTERISTIC_DONE = const(12)
+_IRQ_GATTC_DESCRIPTOR_RESULT = const(13)
+_IRQ_GATTC_DESCRIPTOR_DONE = const(14)
+_IRQ_GATTC_READ_RESULT = const(15)
+_IRQ_GATTC_READ_DONE = const(16)
+_IRQ_GATTC_WRITE_DONE = const(17)
+_IRQ_GATTC_NOTIFY = const(18)
+_IRQ_GATTC_INDICATE = const(19)
+_IRQ_GATTS_INDICATE_DONE = const(20)
+
+SERVICE_UUID = bluetooth.UUID("A5A5A5A5-FFFF-9999-1111-5A5A5A5A5A5A")
+CHAR_UUID = bluetooth.UUID("00000000-1111-2222-3333-444444444444")
+DESC_UUID = bluetooth.UUID("00000000-1111-2222-3333-555555555555")
+CHAR = (
+    CHAR_UUID,
+    bluetooth.FLAG_READ | bluetooth.FLAG_WRITE,
+    ((DESC_UUID, bluetooth.FLAG_READ | bluetooth.FLAG_WRITE | bluetooth.FLAG_WRITE_NO_RESPONSE),),
+)
+SERVICE = (
+    SERVICE_UUID,
+    (CHAR,),
+)
+SERVICES = (SERVICE,)
+
+waiting_events = {}
+
+
+def irq(event, data):
+    if event == _IRQ_CENTRAL_CONNECT:
+        print("_IRQ_CENTRAL_CONNECT")
+        waiting_events[event] = data[0]
+    elif event == _IRQ_CENTRAL_DISCONNECT:
+        print("_IRQ_CENTRAL_DISCONNECT")
+    elif event == _IRQ_GATTS_WRITE:
+        print("_IRQ_GATTS_WRITE", ble.gatts_read(data[-1]))
+    elif event == _IRQ_PERIPHERAL_CONNECT:
+        print("_IRQ_PERIPHERAL_CONNECT")
+        waiting_events[event] = data[0]
+    elif event == _IRQ_PERIPHERAL_DISCONNECT:
+        print("_IRQ_PERIPHERAL_DISCONNECT")
+    elif event == _IRQ_GATTC_CHARACTERISTIC_RESULT:
+        # conn_handle, end_handle, value_handle, properties, uuid = data
+        if data[-1] == CHAR_UUID:
+            print("_IRQ_GATTC_CHARACTERISTIC_RESULT", data[-1])
+            waiting_events[event] = (data[2], data[1])
+        else:
+            return
+    elif event == _IRQ_GATTC_CHARACTERISTIC_DONE:
+        print("_IRQ_GATTC_CHARACTERISTIC_DONE")
+    elif event == _IRQ_GATTC_DESCRIPTOR_RESULT:
+        # conn_handle, dsc_handle, uuid = data
+        if data[-1] == DESC_UUID:
+            print("_IRQ_GATTC_DESCRIPTOR_RESULT", data[-1])
+            waiting_events[event] = data[1]
+        else:
+            return
+    elif event == _IRQ_GATTC_DESCRIPTOR_DONE:
+        print("_IRQ_GATTC_DESCRIPTOR_DONE")
+    elif event == _IRQ_GATTC_READ_RESULT:
+        print("_IRQ_GATTC_READ_RESULT", bytes(data[-1]))
+    elif event == _IRQ_GATTC_READ_DONE:
+        print("_IRQ_GATTC_READ_DONE", data[-1])
+    elif event == _IRQ_GATTC_WRITE_DONE:
+        print("_IRQ_GATTC_WRITE_DONE", data[-1])
+    elif event == _IRQ_GATTC_NOTIFY:
+        print("_IRQ_GATTC_NOTIFY", bytes(data[-1]))
+    elif event == _IRQ_GATTC_INDICATE:
+        print("_IRQ_GATTC_INDICATE", bytes(data[-1]))
+    elif event == _IRQ_GATTS_INDICATE_DONE:
+        print("_IRQ_GATTS_INDICATE_DONE", data[-1])
+
+    if event not in waiting_events:
+        waiting_events[event] = None
+
+
+def wait_for_event(event, timeout_ms):
+    t0 = time.ticks_ms()
+    while time.ticks_diff(time.ticks_ms(), t0) < timeout_ms:
+        if event in waiting_events:
+            return waiting_events.pop(event)
+        machine.idle()
+    raise ValueError("Timeout waiting for {}".format(event))
+
+
+# Acting in peripheral role.
+def instance0():
+    multitest.globals(BDADDR=ble.config("mac"))
+    ((char_handle, desc_handle),) = ble.gatts_register_services(SERVICES)
+    multitest.next()
+    try:
+        print("gap_advertise")
+        ble.gap_advertise(20_000, b"\x02\x01\x06\x04\xffMPY")
+
+        multitest.broadcast("peripheral:adv")
+
+        # Write initial characteristic value.
+        ble.gatts_write(char_handle, "periph0")
+        ble.gatts_write(desc_handle, "desc_periph0")
+
+        # Wait for central to connect to us.
+        conn_handle = wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS)
+
+        # Write to characteristic.
+        wait_for_event(_IRQ_GATTS_WRITE, TIMEOUT_MS)
+        # Write to descriptor.
+        wait_for_event(_IRQ_GATTS_WRITE, TIMEOUT_MS)
+        # Write-without-response to descriptor.
+        wait_for_event(_IRQ_GATTS_WRITE, TIMEOUT_MS)
+
+        # Wait for the central to disconnect.
+        wait_for_event(_IRQ_CENTRAL_DISCONNECT, TIMEOUT_MS)
+    finally:
+        ble.active(0)
+
+
+# Acting in central role.
+def instance1():
+    multitest.next()
+    try:
+        multitest.wait("peripheral:adv")
+
+        # Connect to peripheral and then disconnect.
+        print("gap_connect")
+        ble.gap_connect(*BDADDR)
+        conn_handle = wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS)
+
+        # Discover characteristics.
+        ble.gattc_discover_characteristics(conn_handle, 1, 65535)
+        value_handle, end_handle = wait_for_event(_IRQ_GATTC_CHARACTERISTIC_RESULT, TIMEOUT_MS)
+        wait_for_event(_IRQ_GATTC_CHARACTERISTIC_DONE, TIMEOUT_MS)
+
+        # Discover characteristics.
+        ble.gattc_discover_descriptors(conn_handle, value_handle, end_handle)
+        desc_handle = wait_for_event(_IRQ_GATTC_DESCRIPTOR_RESULT, TIMEOUT_MS)
+        wait_for_event(_IRQ_GATTC_DESCRIPTOR_DONE, TIMEOUT_MS)
+
+        # Issue read of characteristic, should get initial value.
+        print("gattc_read characteristic")
+        ble.gattc_read(conn_handle, value_handle)
+        wait_for_event(_IRQ_GATTC_READ_RESULT, TIMEOUT_MS)
+
+        # Issue read of descriptor, should get initial value.
+        print("gattc_read descriptor")
+        ble.gattc_read(conn_handle, desc_handle)
+        wait_for_event(_IRQ_GATTC_READ_RESULT, TIMEOUT_MS)
+
+        # Write-with-response to the characteristic.
+        print("gattc_write characteristic")
+        ble.gattc_write(conn_handle, value_handle, "central0", 1)
+        wait_for_event(_IRQ_GATTC_WRITE_DONE, TIMEOUT_MS)
+
+        # Write-with-response to the descriptor.
+        print("gattc_write descriptor")
+        ble.gattc_write(conn_handle, desc_handle, "desc_central0", 1)
+        wait_for_event(_IRQ_GATTC_WRITE_DONE, TIMEOUT_MS)
+
+        # Write-without-response to the descriptor.
+        print("gattc_write descriptor")
+        ble.gattc_write(conn_handle, desc_handle, "desc_central1", 0)
+
+        time.sleep_ms(500)
+
+        # Disconnect from peripheral.
+        print("gap_disconnect:", ble.gap_disconnect(conn_handle))
+        wait_for_event(_IRQ_PERIPHERAL_DISCONNECT, TIMEOUT_MS)
+    finally:
+        ble.active(0)
+
+
+ble = bluetooth.BLE()
+ble.active(1)
+ble.irq(irq)