1 files changed, 112 insertions, 0 deletions

diff --git a/embassy-stm32-wpan/src/wb55/lhci.rs b/embassy-stm32-wpan/src/wb55/lhci.rs
new file mode 100644
index 000000000..59c8bfb5d
--- /dev/null
+++ b/embassy-stm32-wpan/src/wb55/lhci.rs
@@ -0,0 +1,112 @@
+use core::ptr;
+
+use crate::cmd::CmdPacket;
+use crate::consts::{TL_EVT_HEADER_SIZE, TlPacketType};
+use crate::evt::{CcEvt, EvtPacket, EvtSerial};
+use crate::tables::{DeviceInfoTable, RssInfoTable, SafeBootInfoTable, TL_DEVICE_INFO_TABLE, WirelessFwInfoTable};
+
+const TL_BLEEVT_CC_OPCODE: u8 = 0x0e;
+const LHCI_OPCODE_C1_DEVICE_INF: u16 = 0xfd62;
+
+const PACKAGE_DATA_PTR: *const u8 = 0x1FFF_7500 as _;
+const UID64_PTR: *const u32 = 0x1FFF_7580 as _;
+
+#[derive(Debug, Copy, Clone)]
+#[repr(C, packed)]
+pub struct LhciC1DeviceInformationCcrp {
+    pub status: u8,
+    pub rev_id: u16,
+    pub dev_code_id: u16,
+    pub package_type: u8,
+    pub device_type_id: u8,
+    pub st_company_id: u32,
+    pub uid64: u32,
+
+    pub uid96_0: u32,
+    pub uid96_1: u32,
+    pub uid96_2: u32,
+
+    pub safe_boot_info_table: SafeBootInfoTable,
+    pub rss_info_table: RssInfoTable,
+    pub wireless_fw_info_table: WirelessFwInfoTable,
+
+    pub app_fw_inf: u32,
+}
+
+impl Default for LhciC1DeviceInformationCcrp {
+    fn default() -> Self {
+        let DeviceInfoTable {
+            safe_boot_info_table,
+            rss_info_table,
+            wireless_fw_info_table,
+        } = unsafe { ptr::read_volatile(TL_DEVICE_INFO_TABLE.as_ptr()) };
+
+        let device_id = stm32_device_signature::device_id();
+        let uid96_0 = (device_id[3] as u32) << 24
+            | (device_id[2] as u32) << 16
+            | (device_id[1] as u32) << 8
+            | device_id[0] as u32;
+        let uid96_1 = (device_id[7] as u32) << 24
+            | (device_id[6] as u32) << 16
+            | (device_id[5] as u32) << 8
+            | device_id[4] as u32;
+        let uid96_2 = (device_id[11] as u32) << 24
+            | (device_id[10] as u32) << 16
+            | (device_id[9] as u32) << 8
+            | device_id[8] as u32;
+
+        let package_type = unsafe { *PACKAGE_DATA_PTR };
+        let uid64 = unsafe { *UID64_PTR };
+        let st_company_id = unsafe { *UID64_PTR.offset(1) } >> 8 & 0x00FF_FFFF;
+        let device_type_id = (unsafe { *UID64_PTR.offset(1) } & 0x000000FF) as u8;
+
+        LhciC1DeviceInformationCcrp {
+            status: 0,
+            rev_id: 0,
+            dev_code_id: 0,
+            package_type,
+            device_type_id,
+            st_company_id,
+            uid64,
+            uid96_0,
+            uid96_1,
+            uid96_2,
+            safe_boot_info_table,
+            rss_info_table,
+            wireless_fw_info_table,
+            app_fw_inf: (1 << 8), // 0.0.1
+        }
+    }
+}
+
+impl LhciC1DeviceInformationCcrp {
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    pub fn write(&self, cmd_packet: &mut CmdPacket) {
+        let self_size = core::mem::size_of::<LhciC1DeviceInformationCcrp>();
+
+        unsafe {
+            let cmd_packet_ptr: *mut CmdPacket = cmd_packet;
+            let evet_packet_ptr: *mut EvtPacket = cmd_packet_ptr.cast();
+
+            let evt_serial: *mut EvtSerial = &mut (*evet_packet_ptr).evt_serial;
+            let evt_payload = (*evt_serial).evt.payload.as_mut_ptr();
+            let evt_cc: *mut CcEvt = evt_payload.cast();
+            let evt_cc_payload_buf = (*evt_cc).payload.as_mut_ptr();
+
+            (*evt_serial).kind = TlPacketType::LocRsp as u8;
+            (*evt_serial).evt.evt_code = TL_BLEEVT_CC_OPCODE;
+            (*evt_serial).evt.payload_len = TL_EVT_HEADER_SIZE as u8 + self_size as u8;
+
+            (*evt_cc).cmd_code = LHCI_OPCODE_C1_DEVICE_INF;
+            (*evt_cc).num_cmd = 1;
+
+            let self_ptr: *const LhciC1DeviceInformationCcrp = self;
+            let self_buf = self_ptr.cast();
+
+            ptr::copy(self_buf, evt_cc_payload_buf, self_size);
+        }
+    }
+}