pw_bluetooth: Add LEMetaEvent and 2 other event packets

Add LEMetaEvent, LEConnectionCompleteSubevent, and
LEConnectionUpdateCompleteSubevent. Add LEClockAccuracy enum.

Test: pw presubmit --step gn_emboss_build
Change-Id: Ie3925563fb2324e8b9d5f37d5ff7541cf7dea197
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/134532
Commit-Queue: Ali Saeed <saeedali@google.com>
Reviewed-by: Ben Lawson <benlawson@google.com>

1 files changed, 77 insertions, 0 deletions

diff --git a/pw_bluetooth/public/pw_bluetooth/hci.emb b/pw_bluetooth/public/pw_bluetooth/hci.emb
index 82463029b..d781b3f18 100644
--- a/pw_bluetooth/public/pw_bluetooth/hci.emb
+++ b/pw_bluetooth/public/pw_bluetooth/hci.emb
@@ -933,6 +933,20 @@ bits LmpFeatures(page: UInt:8):
     10 [+1]  Flag  slot_availability_mask
     11 [+1]  Flag  train_nudging
 
+
+enum LEClockAccuracy:
+  -- Possible values that can be reported for the |central_clock_accuracy| and
+  -- |advertiser_clock_accuracy| parameters.
+  [maximum_bits: 8]
+  PPM_500 = 0x00
+  PPM_250 = 0x01
+  PPM_150 = 0x02
+  PPM_100 = 0x03
+  PPM_75  = 0x04
+  PPM_50  = 0x05
+  PPM_30  = 0x06
+  PPM_20  = 0x07
+
 # ========================= HCI packet headers ==========================
 
 
@@ -2476,6 +2490,69 @@ struct ReadRemoteSupportedFeaturesCompleteEvent:
   $next [+8]         LmpFeatures(0)  lmp_features
     -- Page 0 of the LMP features.
 
+
+struct LEMetaEvent:
+  let hdr_size = EventHeader.$size_in_bytes
+  0     [+hdr_size]  EventHeader  header
+  $next [+1]         UInt         subevent_code
+    -- The event code for the LE subevent.
+
+
+struct LEConnectionCompleteSubevent:
+  0     [+LEMetaEvent.$size_in_bytes]  LEMetaEvent        le_meta_event
+
+  $next [+1]                           StatusCode         status
+
+  $next [+2]                           UInt               connection_handle
+    -- Only the lower 12-bits are meaningful.
+    [requires: 0x0000 <= this <= 0x0EFF]
+
+  $next [+1]                           ConnectionRole     role
+
+  $next [+1]                           LEPeerAddressType  peer_address_type
+
+  $next [+BdAddr.$size_in_bytes]       BdAddr             peer_address
+    -- Public Device Address or Random Device Address of the peer device.
+
+  $next [+2]                           UInt               connection_interval
+    -- Time: N * 1.25 ms
+    -- Range: 7.5 ms to 4 s
+    [requires: 0x0006 <= this <= 0x0C80]
+
+  $next [+2]                           UInt               peripheral_latency
+    [requires: 0x0000 <= this <= 0x01F3]
+
+  $next [+2]                           UInt               supervision_timeout
+    -- Time: N * 10 ms
+    -- Range: 100 ms to 32 s
+    [requires: 0x000A <= this <= 0x0C80]
+
+  $next [+1]                           LEClockAccuracy    central_clock_accuracy
+    -- Only valid for a peripheral. On a central, this parameter shall be set to 0x00.
+
+
+struct LEConnectionUpdateCompleteSubevent:
+  0     [+LEMetaEvent.$size_in_bytes]  LEMetaEvent  le_meta_event
+
+  $next [+1]                           StatusCode   status
+
+  $next [+2]                           UInt         connection_handle
+    -- Only the lower 12-bits are meaningful.
+    [requires: 0x0000 <= this <= 0x0EFF]
+
+  $next [+2]                           UInt         connection_interval
+    -- Time: N * 1.25 ms
+    -- Range: 7.5 ms to 4 s
+    [requires: 0x0006 <= this <= 0x0C80]
+
+  $next [+2]                           UInt         peripheral_latency
+    [requires: 0x0000 <= this <= 0x01F3]
+
+  $next [+2]                           UInt         supervision_timeout
+    -- Time: N * 10 ms
+    -- Range: 100 ms to 32 s
+    [requires: 0x000A <= this <= 0x0C80]
+
 # ============================ Test packets =============================