From ce1d72c609ae1e04410e68458ec3d6c36c7dae27 Mon Sep 17 00:00:00 2001 From: goueslati Date: Thu, 8 Jun 2023 16:26:47 +0100 Subject: [PATCH] wip --- embassy-stm32/src/tl_mbox/ble.rs | 39 ++- embassy-stm32/src/tl_mbox/cmd.rs | 42 ++- embassy-stm32/src/tl_mbox/consts.rs | 4 +- embassy-stm32/src/tl_mbox/evt.rs | 106 +++++-- embassy-stm32/src/tl_mbox/hci.rs | 60 ++++ embassy-stm32/src/tl_mbox/mm.rs | 58 ++-- embassy-stm32/src/tl_mbox/mod.rs | 365 ++++++++++++---------- embassy-stm32/src/tl_mbox/shci.rs | 35 +-- embassy-stm32/src/tl_mbox/sys.rs | 67 ++-- examples/stm32wb/src/bin/tl_mbox_tx_rx.rs | 55 +--- 10 files changed, 485 insertions(+), 346 deletions(-) create mode 100644 embassy-stm32/src/tl_mbox/hci.rs diff --git a/embassy-stm32/src/tl_mbox/ble.rs b/embassy-stm32/src/tl_mbox/ble.rs index 06237799..45bf81ef 100644 --- a/embassy-stm32/src/tl_mbox/ble.rs +++ b/embassy-stm32/src/tl_mbox/ble.rs @@ -1,35 +1,36 @@ use embassy_futures::block_on; -use super::cmd::CmdSerial; +use super::cmd::{CmdPacket, CmdSerial}; use super::consts::TlPacketType; use super::evt::EvtBox; +use super::ipcc::Ipcc; use super::unsafe_linked_list::LinkedListNode; use super::{ - channels, BleTable, BLE_CMD_BUFFER, CS_BUFFER, EVT_QUEUE, HCI_ACL_DATA_BUFFER, TL_BLE_TABLE, TL_CHANNEL, + channels, BleTable, BLE_CMD_BUFFER, CS_BUFFER, EVT_QUEUE, HCI_ACL_DATA_BUFFER, HEAPLESS_EVT_QUEUE, TL_BLE_TABLE, TL_REF_TABLE, }; -use crate::tl_mbox::cmd::CmdPacket; -use crate::tl_mbox::ipcc::Ipcc; pub struct Ble; impl Ble { - pub fn enable() { + pub(super) fn new() -> Self { unsafe { LinkedListNode::init_head(EVT_QUEUE.as_mut_ptr()); TL_BLE_TABLE.as_mut_ptr().write_volatile(BleTable { pcmd_buffer: BLE_CMD_BUFFER.as_mut_ptr().cast(), - pcs_buffer: CS_BUFFER.as_mut_ptr().cast(), + pcs_buffer: CS_BUFFER.as_ptr().cast(), pevt_queue: EVT_QUEUE.as_ptr().cast(), phci_acl_data_buffer: HCI_ACL_DATA_BUFFER.as_mut_ptr().cast(), }); } Ipcc::c1_set_rx_channel(channels::cpu2::IPCC_BLE_EVENT_CHANNEL, true); + + Ble } - pub fn evt_handler() { + pub(super) fn evt_handler() { unsafe { let mut node_ptr = core::ptr::null_mut(); let node_ptr_ptr: *mut _ = &mut node_ptr; @@ -40,25 +41,41 @@ impl Ble { let event = node_ptr.cast(); let event = EvtBox::new(event); - block_on(TL_CHANNEL.send(event)); + block_on(HEAPLESS_EVT_QUEUE.send(event)); } } Ipcc::c1_clear_flag_channel(channels::cpu2::IPCC_BLE_EVENT_CHANNEL); } + pub(super) fn acl_data_handler(&self) { + Ipcc::c1_set_tx_channel(channels::cpu1::IPCC_HCI_ACL_DATA_CHANNEL, false); + + // TODO: ACL data ack to the user + } + pub fn send_cmd(buf: &[u8]) { unsafe { let pcmd_buffer: *mut CmdPacket = (*TL_REF_TABLE.assume_init().ble_table).pcmd_buffer; - let pcmd_serial: *mut CmdSerial = &mut (*pcmd_buffer).cmd_serial; + let pcmd_serial: *mut CmdSerial = &mut (*pcmd_buffer).cmdserial; let pcmd_serial_buf: *mut u8 = pcmd_serial.cast(); core::ptr::copy(buf.as_ptr(), pcmd_serial_buf, buf.len()); - let cmd_packet = &mut *(*TL_REF_TABLE.assume_init().ble_table).pcmd_buffer; - cmd_packet.cmd_serial.ty = TlPacketType::BleCmd as u8; + let mut cmd_packet = &mut *(*TL_REF_TABLE.assume_init().ble_table).pcmd_buffer; + cmd_packet.cmdserial.ty = TlPacketType::BleCmd as u8; } Ipcc::c1_set_flag_channel(channels::cpu1::IPCC_BLE_CMD_CHANNEL); } + + #[allow(dead_code)] // Not used currently but reserved + pub(super) fn send_acl_data() { + let cmd_packet = unsafe { &mut *(*TL_REF_TABLE.assume_init().ble_table).phci_acl_data_buffer }; + + cmd_packet.acl_data_serial.ty = TlPacketType::AclData as u8; + + Ipcc::c1_set_flag_channel(channels::cpu1::IPCC_HCI_ACL_DATA_CHANNEL); + Ipcc::c1_set_tx_channel(channels::cpu1::IPCC_HCI_ACL_DATA_CHANNEL, true); + } } diff --git a/embassy-stm32/src/tl_mbox/cmd.rs b/embassy-stm32/src/tl_mbox/cmd.rs index 3507c323..781aa669 100644 --- a/embassy-stm32/src/tl_mbox/cmd.rs +++ b/embassy-stm32/src/tl_mbox/cmd.rs @@ -1,7 +1,8 @@ -use super::PacketHeader; +use crate::tl_mbox::evt::{EvtPacket, EvtSerial}; +use crate::tl_mbox::{PacketHeader, TL_EVT_HEADER_SIZE}; -#[repr(C, packed)] #[derive(Copy, Clone)] +#[repr(C, packed)] pub struct Cmd { pub cmd_code: u16, pub payload_len: u8, @@ -18,22 +19,49 @@ impl Default for Cmd { } } -#[repr(C, packed)] #[derive(Copy, Clone, Default)] +#[repr(C, packed)] pub struct CmdSerial { pub ty: u8, pub cmd: Cmd, } -#[repr(C, packed)] #[derive(Copy, Clone, Default)] +#[repr(C, packed)] pub struct CmdPacket { pub header: PacketHeader, - pub cmd_serial: CmdSerial, + pub cmdserial: CmdSerial, +} + +impl CmdPacket { + /// Writes an underlying CmdPacket into the provided buffer. + /// Returns a number of bytes that were written. + /// Returns an error if event kind is unknown or if provided buffer size is not enough. + #[allow(clippy::result_unit_err)] + pub fn write(&self, buf: &mut [u8]) -> Result { + unsafe { + let cmd_ptr: *const CmdPacket = self; + let self_as_evt_ptr: *const EvtPacket = cmd_ptr.cast(); + let evt_serial: *const EvtSerial = &(*self_as_evt_ptr).evt_serial; + + let acl_data: *const AclDataPacket = cmd_ptr.cast(); + let acl_serial: *const AclDataSerial = &(*acl_data).acl_data_serial; + let acl_serial_buf: *const u8 = acl_serial.cast(); + + let len = (*evt_serial).evt.payload_len as usize + TL_EVT_HEADER_SIZE; + if len > buf.len() { + return Err(()); + } + + core::ptr::copy(acl_serial_buf, buf.as_mut_ptr(), len); + + Ok(len) + } + } } -#[repr(C, packed)] #[derive(Copy, Clone)] +#[repr(C, packed)] pub struct AclDataSerial { pub ty: u8, pub handle: u16, @@ -41,8 +69,8 @@ pub struct AclDataSerial { pub acl_data: [u8; 1], } -#[repr(C, packed)] #[derive(Copy, Clone)] +#[repr(C, packed)] pub struct AclDataPacket { pub header: PacketHeader, pub acl_data_serial: AclDataSerial, diff --git a/embassy-stm32/src/tl_mbox/consts.rs b/embassy-stm32/src/tl_mbox/consts.rs index e16a26cd..caf26c06 100644 --- a/embassy-stm32/src/tl_mbox/consts.rs +++ b/embassy-stm32/src/tl_mbox/consts.rs @@ -1,4 +1,6 @@ -#[derive(PartialEq)] +use core::convert::TryFrom; + +#[derive(Debug)] #[repr(C)] pub enum TlPacketType { BleCmd = 0x01, diff --git a/embassy-stm32/src/tl_mbox/evt.rs b/embassy-stm32/src/tl_mbox/evt.rs index 47a8b72f..77ce7b4c 100644 --- a/embassy-stm32/src/tl_mbox/evt.rs +++ b/embassy-stm32/src/tl_mbox/evt.rs @@ -2,11 +2,13 @@ use core::mem::MaybeUninit; use super::cmd::{AclDataPacket, AclDataSerial}; use super::consts::TlPacketType; +use super::mm::MemoryManager; use super::{PacketHeader, TL_EVT_HEADER_SIZE}; -use crate::tl_mbox::mm::MemoryManager; -/// the payload of [`Evt`] for a command status event -#[derive(Copy, Clone)] +/** + * The payload of `Evt` for a command status event + */ +#[derive(Debug, Copy, Clone)] #[repr(C, packed)] pub struct CsEvt { pub status: u8, @@ -14,16 +16,39 @@ pub struct CsEvt { pub cmd_code: u16, } -/// the payload of [`Evt`] for a command complete event -#[derive(Clone, Copy, Default)] +/** + * The payload of `Evt` for a command complete event + */ +#[derive(Debug, Copy, Clone, Default)] #[repr(C, packed)] pub struct CcEvt { pub num_cmd: u8, - pub cmd_code: u8, + pub cmd_code: u16, pub payload: [u8; 1], } -#[derive(Clone, Copy, Default)] +impl CcEvt { + pub fn write(&self, buf: &mut [u8]) { + unsafe { + let len = core::mem::size_of::(); + assert!(buf.len() >= len); + + let self_ptr: *const CcEvt = self; + let self_buf_ptr: *const u8 = self_ptr.cast(); + + core::ptr::copy(self_buf_ptr, buf.as_mut_ptr(), len); + } + } +} + +#[derive(Debug, Copy, Clone, Default)] +#[repr(C, packed)] +pub struct AsynchEvt { + sub_evt_code: u16, + payload: [u8; 1], +} + +#[derive(Debug, Copy, Clone, Default)] #[repr(C, packed)] pub struct Evt { pub evt_code: u8, @@ -31,7 +56,7 @@ pub struct Evt { pub payload: [u8; 1], } -#[derive(Clone, Copy, Default)] +#[derive(Debug, Copy, Clone, Default)] #[repr(C, packed)] pub struct EvtSerial { pub kind: u8, @@ -46,14 +71,26 @@ pub struct EvtSerial { /// Be careful that the asynchronous events reported by the CPU2 on the system channel do /// include the header and shall use `EvtPacket` format. Only the command response format on the /// system channel is different. -#[derive(Clone, Copy, Default)] +#[derive(Copy, Clone, Default)] #[repr(C, packed)] pub struct EvtPacket { pub header: PacketHeader, pub evt_serial: EvtSerial, } -/// Smart pointer to the [`EvtPacket`] that will dispose of it automatically on drop +impl EvtPacket { + pub fn kind(&self) -> u8 { + self.evt_serial.kind + } + + pub fn evt(&self) -> &Evt { + &self.evt_serial.evt + } +} + +/// smart pointer to the [`EvtPacket`] that will dispose of [`EvtPacket`] buffer automatically +/// on [`Drop`] +#[derive(Debug)] pub struct EvtBox { ptr: *mut EvtPacket, } @@ -64,7 +101,7 @@ impl EvtBox { Self { ptr } } - /// Copies the event data from inner pointer and returns and event structure + /// copies event data from inner pointer and returns an event structure pub fn evt(&self) -> EvtPacket { let mut evt = MaybeUninit::uninit(); unsafe { @@ -73,28 +110,11 @@ impl EvtBox { } } - /// Returns the size of a buffer required to hold this event - pub fn size(&self) -> Result { - unsafe { - let evt_kind = TlPacketType::try_from((*self.ptr).evt_serial.kind)?; - - if evt_kind == TlPacketType::AclData { - let acl_data: *const AclDataPacket = self.ptr.cast(); - let acl_serial: *const AclDataSerial = &(*acl_data).acl_data_serial; - - Ok((*acl_serial).length as usize + 5) - } else { - let evt_data: *const EvtPacket = self.ptr.cast(); - let evt_serial: *const EvtSerial = &(*evt_data).evt_serial; - - Ok((*evt_serial).evt.payload_len as usize + TL_EVT_HEADER_SIZE) - } - } - } - - /// writes an underlying [`EvtPacket`] into the provided buffer. Returns the number of bytes that were - /// written. Returns an error if event kind is unkown or if provided buffer size is not enough - pub fn copy_into_slice(&self, buf: &mut [u8]) -> Result { + /// writes an underlying [`EvtPacket`] into the provided buffer. + /// Returns the number of bytes that were written. + /// Returns an error if event kind is unknown or if provided buffer size is not enough. + #[allow(clippy::result_unit_err)] + pub fn write(&self, buf: &mut [u8]) -> Result { unsafe { let evt_kind = TlPacketType::try_from((*self.ptr).evt_serial.kind)?; @@ -127,6 +147,26 @@ impl EvtBox { } } } + + /// returns the size of a buffer required to hold this event + #[allow(clippy::result_unit_err)] + pub fn size(&self) -> Result { + unsafe { + let evt_kind = TlPacketType::try_from((*self.ptr).evt_serial.kind)?; + + let evt_data: *const EvtPacket = self.ptr.cast(); + let evt_serial: *const EvtSerial = &(*evt_data).evt_serial; + + let acl_data: *const AclDataPacket = self.ptr.cast(); + let acl_serial: *const AclDataSerial = &(*acl_data).acl_data_serial; + + if let TlPacketType::AclData = evt_kind { + Ok((*acl_serial).length as usize + 5) + } else { + Ok((*evt_serial).evt.payload_len as usize + TL_EVT_HEADER_SIZE) + } + } + } } impl Drop for EvtBox { diff --git a/embassy-stm32/src/tl_mbox/hci.rs b/embassy-stm32/src/tl_mbox/hci.rs new file mode 100644 index 00000000..5bb4ba66 --- /dev/null +++ b/embassy-stm32/src/tl_mbox/hci.rs @@ -0,0 +1,60 @@ +use super::ble::Ble; +use super::consts::TlPacketType; +use super::evt::CcEvt; +use super::shci::{shci_ble_init, ShciBleInitCmdParam}; +use super::{TlMbox, STATE}; + +pub struct RadioCoprocessor<'d> { + mbox: TlMbox<'d>, + config: ShciBleInitCmdParam, + rx_buffer: [u8; 500], +} + +impl<'d> RadioCoprocessor<'d> { + pub fn new(mbox: TlMbox<'d>, config: ShciBleInitCmdParam) -> Self { + Self { + mbox, + config, + rx_buffer: [0u8; 500], + } + } + + pub fn write(&mut self, params: &[u8]) -> Result<(), ()> { + let cmd_code = params[0]; + let cmd = TlPacketType::try_from(cmd_code)?; + + match cmd { + TlPacketType::BleCmd => Ble::send_cmd(params), + _ => todo!(), + } + + Ok(()) + } + + pub async fn read(&mut self) -> &[u8] { + self.rx_buffer = [0u8; 500]; + + loop { + STATE.wait().await; + + if let Some(evt) = self.mbox.dequeue_event() { + let event = evt.evt(); + evt.write(&mut self.rx_buffer).unwrap(); + + if event.kind() == 18 { + shci_ble_init(self.config); + self.rx_buffer[0] = 0x04; // replace event code with one that is supported by HCI + } + + if let Some(cc) = self.mbox.pop_last_cc_evt() { + + + continue; + } + + let payload_len = self.rx_buffer[2]; + return &self.rx_buffer[..3 + payload_len as usize]; + } + } + } +} diff --git a/embassy-stm32/src/tl_mbox/mm.rs b/embassy-stm32/src/tl_mbox/mm.rs index e28a6aa0..a4043849 100644 --- a/embassy-stm32/src/tl_mbox/mm.rs +++ b/embassy-stm32/src/tl_mbox/mm.rs @@ -1,56 +1,57 @@ +//! Memory manager routines + +use core::mem::MaybeUninit; + use super::evt::EvtPacket; +use super::ipcc::Ipcc; use super::unsafe_linked_list::LinkedListNode; use super::{ - channels, MemManagerTable, BLE_SPARE_EVT_BUF, EVT_POOL, FREE_BUFF_QUEUE, LOCAL_FREE_BUF_QUEUE, POOL_SIZE, + channels, MemManagerTable, BLE_SPARE_EVT_BUF, EVT_POOL, FREE_BUF_QUEUE, LOCAL_FREE_BUF_QUEUE, POOL_SIZE, SYS_SPARE_EVT_BUF, TL_MEM_MANAGER_TABLE, TL_REF_TABLE, }; -use crate::tl_mbox::ipcc::Ipcc; -pub struct MemoryManager; +pub(super) struct MemoryManager; impl MemoryManager { - pub fn enable() { + pub fn new() -> Self { unsafe { - LinkedListNode::init_head(FREE_BUFF_QUEUE.as_mut_ptr()); + LinkedListNode::init_head(FREE_BUF_QUEUE.as_mut_ptr()); LinkedListNode::init_head(LOCAL_FREE_BUF_QUEUE.as_mut_ptr()); - TL_MEM_MANAGER_TABLE.as_mut_ptr().write_volatile(MemManagerTable { + TL_MEM_MANAGER_TABLE = MaybeUninit::new(MemManagerTable { spare_ble_buffer: BLE_SPARE_EVT_BUF.as_ptr().cast(), spare_sys_buffer: SYS_SPARE_EVT_BUF.as_ptr().cast(), - ble_pool: EVT_POOL.as_ptr().cast(), - ble_pool_size: POOL_SIZE as u32, - pevt_free_buffer_queue: FREE_BUFF_QUEUE.as_mut_ptr(), + blepool: EVT_POOL.as_ptr().cast(), + blepoolsize: POOL_SIZE as u32, + pevt_free_buffer_queue: FREE_BUF_QUEUE.as_mut_ptr(), traces_evt_pool: core::ptr::null(), - traces_pool_size: 0, + tracespoolsize: 0, }); } - } - pub fn evt_handler() { - Ipcc::c1_set_tx_channel(channels::cpu1::IPCC_MM_RELEASE_BUFFER_CHANNEL, false); - Self::send_free_buf(); - Ipcc::c1_set_flag_channel(channels::cpu1::IPCC_MM_RELEASE_BUFFER_CHANNEL); + MemoryManager } pub fn evt_drop(evt: *mut EvtPacket) { unsafe { let list_node = evt.cast(); - LinkedListNode::remove_tail(LOCAL_FREE_BUF_QUEUE.as_mut_ptr(), list_node); - } + LinkedListNode::insert_tail(LOCAL_FREE_BUF_QUEUE.as_mut_ptr(), list_node); - let channel_is_busy = Ipcc::c1_is_active_flag(channels::cpu1::IPCC_MM_RELEASE_BUFFER_CHANNEL); + let channel_is_busy = Ipcc::c1_is_active_flag(channels::cpu1::IPCC_MM_RELEASE_BUFFER_CHANNEL); - // postpone event buffer freeing to IPCC interrupt handler - if channel_is_busy { - Ipcc::c1_set_tx_channel(channels::cpu1::IPCC_MM_RELEASE_BUFFER_CHANNEL, true); - } else { - Self::send_free_buf(); - Ipcc::c1_set_flag_channel(channels::cpu1::IPCC_MM_RELEASE_BUFFER_CHANNEL); + // postpone event buffer freeing to IPCC interrupt handler + if channel_is_busy { + Ipcc::c1_set_tx_channel(channels::cpu1::IPCC_MM_RELEASE_BUFFER_CHANNEL, true); + } else { + Self::send_free_buf(); + Ipcc::c1_set_flag_channel(channels::cpu1::IPCC_MM_RELEASE_BUFFER_CHANNEL); + } } } - fn send_free_buf() { + /// gives free event buffers back to CPU2 from local buffer queue + pub fn send_free_buf() { unsafe { let mut node_ptr = core::ptr::null_mut(); let node_ptr_ptr: *mut _ = &mut node_ptr; @@ -64,4 +65,11 @@ impl MemoryManager { } } } + + /// free buffer channel interrupt handler + pub fn free_buf_handler() { + Ipcc::c1_set_tx_channel(channels::cpu1::IPCC_MM_RELEASE_BUFFER_CHANNEL, false); + Self::send_free_buf(); + Ipcc::c1_set_flag_channel(channels::cpu1::IPCC_MM_RELEASE_BUFFER_CHANNEL); + } } diff --git a/embassy-stm32/src/tl_mbox/mod.rs b/embassy-stm32/src/tl_mbox/mod.rs index efbbf2d1..21a95441 100644 --- a/embassy-stm32/src/tl_mbox/mod.rs +++ b/embassy-stm32/src/tl_mbox/mod.rs @@ -1,79 +1,50 @@ use core::mem::MaybeUninit; -use atomic_polyfill::{compiler_fence, Ordering}; use bit_field::BitField; use embassy_cortex_m::interrupt::Interrupt; +use embassy_futures::block_on; use embassy_hal_common::{into_ref, Peripheral, PeripheralRef}; use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex; use embassy_sync::channel::Channel; +use embassy_sync::signal::Signal; -use self::ble::Ble; use self::cmd::{AclDataPacket, CmdPacket}; -use self::evt::{CsEvt, EvtBox}; -use self::mm::MemoryManager; -use self::shci::{shci_ble_init, ShciBleInitCmdParam}; -use self::sys::Sys; +use self::evt::{CcEvt, EvtBox}; +use self::ipcc::{Config, Ipcc}; use self::unsafe_linked_list::LinkedListNode; use crate::interrupt; use crate::peripherals::IPCC; -pub use crate::tl_mbox::ipcc::Config; -use crate::tl_mbox::ipcc::Ipcc; -mod ble; -mod channels; -mod cmd; -mod consts; -mod evt; -mod ipcc; -mod mm; -mod shci; -mod sys; -mod unsafe_linked_list; - -pub type PacketHeader = LinkedListNode; - -const TL_PACKET_HEADER_SIZE: usize = core::mem::size_of::(); -const TL_EVT_HEADER_SIZE: usize = 3; -const TL_CS_EVT_SIZE: usize = core::mem::size_of::(); - -const CFG_TL_BLE_EVT_QUEUE_LENGTH: usize = 5; -const CFG_TL_BLE_MOST_EVENT_PAYLOAD_SIZE: usize = 255; -const TL_BLE_EVENT_FRAME_SIZE: usize = TL_EVT_HEADER_SIZE + CFG_TL_BLE_MOST_EVENT_PAYLOAD_SIZE; - -const POOL_SIZE: usize = CFG_TL_BLE_EVT_QUEUE_LENGTH * 4 * divc(TL_PACKET_HEADER_SIZE + TL_BLE_EVENT_FRAME_SIZE, 4); - -const fn divc(x: usize, y: usize) -> usize { - (x + y - 1) / y -} - -#[repr(C, packed)] -#[derive(Copy, Clone)] -pub struct SafeBootInfoTable { - version: u32, -} - -#[repr(C, packed)] -#[derive(Copy, Clone)] -pub struct FusInfoTable { - version: u32, - memory_size: u32, - fus_info: u32, -} +pub mod ble; +pub mod channels; +pub mod cmd; +pub mod consts; +pub mod evt; +pub mod hci; +pub mod ipcc; +pub mod mm; +pub mod shci; +pub mod sys; +pub mod unsafe_linked_list; /// Interrupt handler. pub struct ReceiveInterruptHandler {} impl interrupt::Handler for ReceiveInterruptHandler { unsafe fn on_interrupt() { - // info!("ipcc rx interrupt"); + debug!("ipcc rx interrupt"); if Ipcc::is_rx_pending(channels::cpu2::IPCC_SYSTEM_EVENT_CHANNEL) { + debug!("sys evt"); sys::Sys::evt_handler(); } else if Ipcc::is_rx_pending(channels::cpu2::IPCC_BLE_EVENT_CHANNEL) { + debug!("ble evt"); ble::Ble::evt_handler(); } else { todo!() } + + STATE.signal(()); } } @@ -81,37 +52,62 @@ pub struct TransmitInterruptHandler {} impl interrupt::Handler for TransmitInterruptHandler { unsafe fn on_interrupt() { - // info!("ipcc tx interrupt"); + debug!("ipcc tx interrupt"); if Ipcc::is_tx_pending(channels::cpu1::IPCC_SYSTEM_CMD_RSP_CHANNEL) { + debug!("sys cmd rsp"); // TODO: handle this case - let _ = sys::Sys::cmd_evt_handler(); + let cc = sys::Sys::cmd_evt_handler(); + let a = unsafe { core::slice::from_raw_parts(&cc as *const _ as *const u8, core::mem::size_of::()) }; + debug!("{:#04x}", a); + + LAST_CC_EVT.signal(cc); } else if Ipcc::is_tx_pending(channels::cpu1::IPCC_MM_RELEASE_BUFFER_CHANNEL) { - mm::MemoryManager::evt_handler(); + debug!("mm"); + mm::MemoryManager::free_buf_handler(); } else { todo!() } + + STATE.signal(()); } } -/// # Version -/// - 0 -> 3 = Build - 0: Untracked - 15:Released - x: Tracked version -/// - 4 -> 7 = branch - 0: Mass Market - x: ... -/// - 8 -> 15 = Subversion -/// - 16 -> 23 = Version minor -/// - 24 -> 31 = Version major -/// # Memory Size -/// - 0 -> 7 = Flash ( Number of 4k sector) -/// - 8 -> 15 = Reserved ( Shall be set to 0 - may be used as flash extension ) -/// - 16 -> 23 = SRAM2b ( Number of 1k sector) -/// - 24 -> 31 = SRAM2a ( Number of 1k sector) +#[derive(Debug, Copy, Clone)] +#[repr(C, packed)] +pub struct SafeBootInfoTable { + version: u32, +} + +#[derive(Debug, Copy, Clone)] +#[repr(C, packed)] +pub struct RssInfoTable { + version: u32, + memory_size: u32, + rss_info: u32, +} + +/** + * Version + * [0:3] = Build - 0: Untracked - 15:Released - x: Tracked version + * [4:7] = branch - 0: Mass Market - x: ... + * [8:15] = Subversion + * [16:23] = Version minor + * [24:31] = Version major + * + * Memory Size + * [0:7] = Flash ( Number of 4k sector) + * [8:15] = Reserved ( Shall be set to 0 - may be used as flash extension ) + * [16:23] = SRAM2b ( Number of 1k sector) + * [24:31] = SRAM2a ( Number of 1k sector) + */ +#[derive(Debug, Copy, Clone)] #[repr(C, packed)] -#[derive(Copy, Clone)] pub struct WirelessFwInfoTable { version: u32, memory_size: u32, - info_stack: u32, - reserved: u32, + thread_info: u32, + ble_info: u32, } impl WirelessFwInfoTable { @@ -122,42 +118,43 @@ impl WirelessFwInfoTable { pub fn version_minor(&self) -> u8 { let version = self.version; - (version.get_bits(16..23) & 0xff) as u8 + (version.clone().get_bits(16..23) & 0xff) as u8 } pub fn subversion(&self) -> u8 { let version = self.version; - (version.get_bits(8..15) & 0xff) as u8 + (version.clone().get_bits(8..15) & 0xff) as u8 } - /// size of FLASH, expressed in number of 4K sectors + /// Size of FLASH, expressed in number of 4K sectors. pub fn flash_size(&self) -> u8 { let memory_size = self.memory_size; - (memory_size.get_bits(0..7) & 0xff) as u8 + (memory_size.clone().get_bits(0..7) & 0xff) as u8 } - /// size for SRAM2a, expressed in number of 1K sectors + /// Size of SRAM2a, expressed in number of 1K sectors. pub fn sram2a_size(&self) -> u8 { let memory_size = self.memory_size; - (memory_size.get_bits(24..31) & 0xff) as u8 + (memory_size.clone().get_bits(24..31) & 0xff) as u8 } - /// size of SRAM2b, expressed in number of 1K sectors + /// Size of SRAM2b, expressed in number of 1K sectors. pub fn sram2b_size(&self) -> u8 { let memory_size = self.memory_size; - (memory_size.get_bits(16..23) & 0xff) as u8 + (memory_size.clone().get_bits(16..23) & 0xff) as u8 } } -#[repr(C, packed)] -#[derive(Copy, Clone)] +#[derive(Debug, Clone)] +#[repr(C, align(4))] pub struct DeviceInfoTable { pub safe_boot_info_table: SafeBootInfoTable, - pub fus_info_table: FusInfoTable, + pub rss_info_table: RssInfoTable, pub wireless_fw_info_table: WirelessFwInfoTable, } -#[repr(C, packed)] +#[derive(Debug)] +#[repr(C, align(4))] struct BleTable { pcmd_buffer: *mut CmdPacket, pcs_buffer: *const u8, @@ -165,81 +162,86 @@ struct BleTable { phci_acl_data_buffer: *mut AclDataPacket, } -#[repr(C, packed)] +#[derive(Debug)] +#[repr(C, align(4))] struct ThreadTable { - no_stack_buffer: *const u8, - cli_cmd_rsp_buffer: *const u8, - ot_cmd_rsp_buffer: *const u8, + nostack_buffer: *const u8, + clicmdrsp_buffer: *const u8, + otcmdrsp_buffer: *const u8, } -#[repr(C, packed)] +// TODO: use later +#[derive(Debug)] +#[repr(C, align(4))] +pub struct LldTestsTable { + clicmdrsp_buffer: *const u8, + m0cmd_buffer: *const u8, +} + +// TODO: use later +#[derive(Debug)] +#[repr(C, align(4))] +pub struct BleLldTable { + cmdrsp_buffer: *const u8, + m0cmd_buffer: *const u8, +} + +// TODO: use later +#[derive(Debug)] +#[repr(C, align(4))] +pub struct ZigbeeTable { + notif_m0_to_m4_buffer: *const u8, + appli_cmd_m4_to_m0_bufer: *const u8, + request_m0_to_m4_buffer: *const u8, +} + +#[derive(Debug)] +#[repr(C, align(4))] struct SysTable { pcmd_buffer: *mut CmdPacket, sys_queue: *const LinkedListNode, } -#[allow(dead_code)] // Not used currently but reserved -#[repr(C, packed)] -struct LldTestTable { - cli_cmd_rsp_buffer: *const u8, - m0_cmd_buffer: *const u8, -} - -#[allow(dead_code)] // Not used currently but reserved -#[repr(C, packed)] -struct BleLldTable { - cmd_rsp_buffer: *const u8, - m0_cmd_buffer: *const u8, -} - -#[allow(dead_code)] // Not used currently but reserved -#[repr(C, packed)] -struct ZigbeeTable { - notif_m0_to_m4_buffer: *const u8, - appli_cmd_m4_to_m0_buffer: *const u8, - request_m0_to_m4_buffer: *const u8, -} - -#[repr(C, packed)] +#[derive(Debug)] +#[repr(C, align(4))] struct MemManagerTable { spare_ble_buffer: *const u8, spare_sys_buffer: *const u8, - ble_pool: *const u8, - ble_pool_size: u32, + blepool: *const u8, + blepoolsize: u32, pevt_free_buffer_queue: *mut LinkedListNode, traces_evt_pool: *const u8, - traces_pool_size: u32, + tracespoolsize: u32, } -#[repr(C, packed)] +#[derive(Debug)] +#[repr(C, align(4))] struct TracesTable { traces_queue: *const u8, } -#[repr(C, packed)] +#[derive(Debug)] +#[repr(C, align(4))] struct Mac802_15_4Table { - pcmd_rsp_buffer: *const u8, - pnotack_buffer: *const u8, + p_cmdrsp_buffer: *const u8, + p_notack_buffer: *const u8, evt_queue: *const u8, } -/// reference table. Contains pointers to all other tables -#[repr(C, packed)] -#[derive(Copy, Clone)] +/// Reference table. Contains pointers to all other tables. +#[derive(Debug, Copy, Clone)] +#[repr(C)] pub struct RefTable { - pub device_info_table: *const DeviceInfoTable, + device_info_table: *const DeviceInfoTable, ble_table: *const BleTable, thread_table: *const ThreadTable, sys_table: *const SysTable, mem_manager_table: *const MemManagerTable, traces_table: *const TracesTable, mac_802_15_4_table: *const Mac802_15_4Table, - zigbee_table: *const ZigbeeTable, - lld_tests_table: *const LldTestTable, - ble_lld_table: *const BleLldTable, } #[link_section = "TL_REF_TABLE"] @@ -254,12 +256,6 @@ static mut TL_BLE_TABLE: MaybeUninit = MaybeUninit::uninit(); #[link_section = "MB_MEM1"] static mut TL_THREAD_TABLE: MaybeUninit = MaybeUninit::uninit(); -#[link_section = "MB_MEM1"] -static mut TL_LLD_TESTS_TABLE: MaybeUninit = MaybeUninit::uninit(); - -#[link_section = "MB_MEM1"] -static mut TL_BLE_LLD_TABLE: MaybeUninit = MaybeUninit::uninit(); - #[link_section = "MB_MEM1"] static mut TL_SYS_TABLE: MaybeUninit = MaybeUninit::uninit(); @@ -272,15 +268,21 @@ static mut TL_TRACES_TABLE: MaybeUninit = MaybeUninit::uninit(); #[link_section = "MB_MEM1"] static mut TL_MAC_802_15_4_TABLE: MaybeUninit = MaybeUninit::uninit(); -#[link_section = "MB_MEM1"] -static mut TL_ZIGBEE_TABLE: MaybeUninit = MaybeUninit::uninit(); +#[link_section = "MB_MEM2"] +static mut FREE_BUF_QUEUE: MaybeUninit = MaybeUninit::uninit(); + +// Not in shared RAM +static mut LOCAL_FREE_BUF_QUEUE: MaybeUninit = MaybeUninit::uninit(); #[allow(dead_code)] // Not used currently but reserved -#[link_section = "MB_MEM1"] -static mut FREE_BUFF_QUEUE: MaybeUninit = MaybeUninit::uninit(); +#[link_section = "MB_MEM2"] +static mut TRACES_EVT_QUEUE: MaybeUninit = MaybeUninit::uninit(); -// not in shared RAM -static mut LOCAL_FREE_BUF_QUEUE: MaybeUninit = MaybeUninit::uninit(); +type PacketHeader = LinkedListNode; + +const TL_PACKET_HEADER_SIZE: usize = core::mem::size_of::(); +const TL_EVT_HEADER_SIZE: usize = 3; +const TL_CS_EVT_SIZE: usize = core::mem::size_of::(); #[link_section = "MB_MEM2"] static mut CS_BUFFER: MaybeUninit<[u8; TL_PACKET_HEADER_SIZE + TL_EVT_HEADER_SIZE + TL_CS_EVT_SIZE]> = @@ -293,7 +295,30 @@ static mut EVT_QUEUE: MaybeUninit = MaybeUninit::uninit(); static mut SYSTEM_EVT_QUEUE: MaybeUninit = MaybeUninit::uninit(); #[link_section = "MB_MEM2"] -static mut SYS_CMD_BUF: MaybeUninit = MaybeUninit::uninit(); +pub static mut SYS_CMD_BUF: MaybeUninit = MaybeUninit::uninit(); + +/** + * Queue length of BLE Event + * This parameter defines the number of asynchronous events that can be stored in the HCI layer before + * being reported to the application. When a command is sent to the BLE core coprocessor, the HCI layer + * is waiting for the event with the Num_HCI_Command_Packets set to 1. The receive queue shall be large + * enough to store all asynchronous events received in between. + * When CFG_TLBLE_MOST_EVENT_PAYLOAD_SIZE is set to 27, this allow to store three 255 bytes long asynchronous events + * between the HCI command and its event. + * This parameter depends on the value given to CFG_TLBLE_MOST_EVENT_PAYLOAD_SIZE. When the queue size is to small, + * the system may hang if the queue is full with asynchronous events and the HCI layer is still waiting + * for a CC/CS event, In that case, the notification TL_BLE_HCI_ToNot() is called to indicate + * to the application a HCI command did not receive its command event within 30s (Default HCI Timeout). + */ +const CFG_TLBLE_EVT_QUEUE_LENGTH: usize = 5; +const CFG_TLBLE_MOST_EVENT_PAYLOAD_SIZE: usize = 255; +const TL_BLE_EVENT_FRAME_SIZE: usize = TL_EVT_HEADER_SIZE + CFG_TLBLE_MOST_EVENT_PAYLOAD_SIZE; + +const fn divc(x: usize, y: usize) -> usize { + ((x) + (y) - 1) / (y) +} + +const POOL_SIZE: usize = CFG_TLBLE_EVT_QUEUE_LENGTH * 4 * divc(TL_PACKET_HEADER_SIZE + TL_BLE_EVENT_FRAME_SIZE, 4); #[link_section = "MB_MEM2"] static mut EVT_POOL: MaybeUninit<[u8; POOL_SIZE]> = MaybeUninit::uninit(); @@ -310,18 +335,27 @@ static mut BLE_SPARE_EVT_BUF: MaybeUninit<[u8; TL_PACKET_HEADER_SIZE + TL_EVT_HE static mut BLE_CMD_BUFFER: MaybeUninit = MaybeUninit::uninit(); #[link_section = "MB_MEM2"] -// "magic" numbers from ST ---v---v +// fuck these "magic" numbers from ST ---v---v static mut HCI_ACL_DATA_BUFFER: MaybeUninit<[u8; TL_PACKET_HEADER_SIZE + 5 + 251]> = MaybeUninit::uninit(); -// TODO: get a better size, this is a placeholder -pub(crate) static TL_CHANNEL: Channel = Channel::new(); +static HEAPLESS_EVT_QUEUE: Channel = Channel::new(); + +static STATE: Signal = Signal::new(); + +/// current event that is produced during IPCC IRQ handler execution +/// on SYS channel +/// last received Command Complete event +static LAST_CC_EVT: Signal = Signal::new(); pub struct TlMbox<'d> { + sys: sys::Sys, + ble: ble::Ble, + _mm: mm::MemoryManager, + _ipcc: PeripheralRef<'d, IPCC>, } impl<'d> TlMbox<'d> { - /// initializes low-level transport between CPU1 and BLE stack on CPU2 pub fn new( ipcc: impl Peripheral

+ 'd, _irqs: impl interrupt::Binding @@ -331,25 +365,16 @@ impl<'d> TlMbox<'d> { into_ref!(ipcc); unsafe { - compiler_fence(Ordering::AcqRel); - TL_REF_TABLE.as_mut_ptr().write_volatile(RefTable { - device_info_table: TL_DEVICE_INFO_TABLE.as_ptr(), + device_info_table: TL_DEVICE_INFO_TABLE.as_mut_ptr(), ble_table: TL_BLE_TABLE.as_ptr(), thread_table: TL_THREAD_TABLE.as_ptr(), sys_table: TL_SYS_TABLE.as_ptr(), mem_manager_table: TL_MEM_MANAGER_TABLE.as_ptr(), traces_table: TL_TRACES_TABLE.as_ptr(), mac_802_15_4_table: TL_MAC_802_15_4_TABLE.as_ptr(), - zigbee_table: TL_ZIGBEE_TABLE.as_ptr(), - lld_tests_table: TL_LLD_TESTS_TABLE.as_ptr(), - ble_lld_table: TL_BLE_LLD_TABLE.as_ptr(), }); - // info!("TL_REF_TABLE addr: {:x}", TL_REF_TABLE.as_ptr() as usize); - - compiler_fence(Ordering::AcqRel); - TL_SYS_TABLE = MaybeUninit::zeroed(); TL_DEVICE_INFO_TABLE = MaybeUninit::zeroed(); TL_BLE_TABLE = MaybeUninit::zeroed(); @@ -357,9 +382,6 @@ impl<'d> TlMbox<'d> { TL_MEM_MANAGER_TABLE = MaybeUninit::zeroed(); TL_TRACES_TABLE = MaybeUninit::zeroed(); TL_MAC_802_15_4_TABLE = MaybeUninit::zeroed(); - TL_ZIGBEE_TABLE = MaybeUninit::zeroed(); - TL_LLD_TESTS_TABLE = MaybeUninit::zeroed(); - TL_BLE_LLD_TABLE = MaybeUninit::zeroed(); EVT_POOL = MaybeUninit::zeroed(); SYS_SPARE_EVT_BUF = MaybeUninit::zeroed(); @@ -368,15 +390,13 @@ impl<'d> TlMbox<'d> { CS_BUFFER = MaybeUninit::zeroed(); BLE_CMD_BUFFER = MaybeUninit::zeroed(); HCI_ACL_DATA_BUFFER = MaybeUninit::zeroed(); - - compiler_fence(Ordering::AcqRel); } Ipcc::enable(config); - Sys::enable(); - Ble::enable(); - MemoryManager::enable(); + let sys = sys::Sys::new(); + let ble = ble::Ble::new(); + let mm = mm::MemoryManager::new(); // enable interrupts crate::interrupt::IPCC_C1_RX::unpend(); @@ -385,13 +405,19 @@ impl<'d> TlMbox<'d> { unsafe { crate::interrupt::IPCC_C1_RX::enable() }; unsafe { crate::interrupt::IPCC_C1_TX::enable() }; - Self { _ipcc: ipcc } + Self { + sys, + ble, + _mm: mm, + _ipcc: ipcc, + } } + /// Returns CPU2 wireless firmware information (if present). pub fn wireless_fw_info(&self) -> Option { let info = unsafe { &(*(*TL_REF_TABLE.as_ptr()).device_info_table).wireless_fw_info_table }; - // zero version indicates that CPU2 wasn't active and didn't fill the information table + // Zero version indicates that CPU2 wasn't active and didn't fill the information table if info.version != 0 { Some(*info) } else { @@ -399,19 +425,22 @@ impl<'d> TlMbox<'d> { } } - pub fn shci_ble_init(&self, param: ShciBleInitCmdParam) { - shci_ble_init(param); + /// picks single [`EvtBox`] from internal event queue. + /// + /// Internal event queu is populated in IPCC_RX_IRQ handler + pub fn dequeue_event(&mut self) -> Option { + HEAPLESS_EVT_QUEUE.try_recv().ok() } - pub fn send_ble_cmd(&self, buf: &[u8]) { - ble::Ble::send_cmd(buf); - } + /// retrieves last Command Complete event and removes it from mailbox + pub fn pop_last_cc_evt(&mut self) -> Option { + if LAST_CC_EVT.signaled() { + let cc = Some(block_on(LAST_CC_EVT.wait())); + LAST_CC_EVT.reset(); - // pub fn send_sys_cmd(&self, buf: &[u8]) { - // sys::Sys::send_cmd(buf); - // } - - pub async fn read(&self) -> EvtBox { - TL_CHANNEL.recv().await + cc + } else { + None + } } } diff --git a/embassy-stm32/src/tl_mbox/shci.rs b/embassy-stm32/src/tl_mbox/shci.rs index 6b5b2dd1..b19baa70 100644 --- a/embassy-stm32/src/tl_mbox/shci.rs +++ b/embassy-stm32/src/tl_mbox/shci.rs @@ -1,16 +1,10 @@ -//! HCI commands for system channel - use super::cmd::CmdPacket; use super::consts::TlPacketType; -use super::{channels, TL_CS_EVT_SIZE, TL_EVT_HEADER_SIZE, TL_PACKET_HEADER_SIZE, TL_SYS_TABLE}; -use crate::tl_mbox::ipcc::Ipcc; +use super::{sys, TL_CS_EVT_SIZE, TL_EVT_HEADER_SIZE, TL_PACKET_HEADER_SIZE, TL_SYS_TABLE}; const SCHI_OPCODE_BLE_INIT: u16 = 0xfc66; -pub const TL_BLE_EVT_CS_PACKET_SIZE: usize = TL_EVT_HEADER_SIZE + TL_CS_EVT_SIZE; -#[allow(dead_code)] -const TL_BLE_EVT_CS_BUFFER_SIZE: usize = TL_PACKET_HEADER_SIZE + TL_BLE_EVT_CS_PACKET_SIZE; -#[derive(Clone, Copy)] +#[derive(Debug, Clone, Copy)] #[repr(C, packed)] pub struct ShciBleInitCmdParam { /// NOT USED CURRENTLY @@ -63,39 +57,44 @@ impl Default for ShciBleInitCmdParam { } } -#[derive(Clone, Copy, Default)] +#[derive(Debug, Clone, Copy, Default)] #[repr(C, packed)] pub struct ShciHeader { metadata: [u32; 3], } -#[derive(Clone, Copy)] +#[derive(Debug, Clone, Copy)] #[repr(C, packed)] pub struct ShciBleInitCmdPacket { header: ShciHeader, param: ShciBleInitCmdParam, } +pub const TL_BLE_EVT_CS_PACKET_SIZE: usize = TL_EVT_HEADER_SIZE + TL_CS_EVT_SIZE; +#[allow(dead_code)] // Not used currently but reserved +const TL_BLE_EVT_CS_BUFFER_SIZE: usize = TL_PACKET_HEADER_SIZE + TL_BLE_EVT_CS_PACKET_SIZE; + pub fn shci_ble_init(param: ShciBleInitCmdParam) { + debug!("shci init"); + let mut packet = ShciBleInitCmdPacket { header: ShciHeader::default(), param, }; - let packet_ptr: *mut ShciBleInitCmdPacket = &mut packet; + let packet_ptr: *mut _ = &mut packet; unsafe { let cmd_ptr: *mut CmdPacket = packet_ptr.cast(); - (*cmd_ptr).cmd_serial.cmd.cmd_code = SCHI_OPCODE_BLE_INIT; - (*cmd_ptr).cmd_serial.cmd.payload_len = core::mem::size_of::() as u8; + (*cmd_ptr).cmdserial.cmd.cmd_code = SCHI_OPCODE_BLE_INIT; + (*cmd_ptr).cmdserial.cmd.payload_len = core::mem::size_of::() as u8; - let cmd_buf = &mut *(*TL_SYS_TABLE.as_mut_ptr()).pcmd_buffer; - core::ptr::write(cmd_buf, *cmd_ptr); + let mut p_cmd_buffer = &mut *(*TL_SYS_TABLE.as_mut_ptr()).pcmd_buffer; + core::ptr::write(p_cmd_buffer, *cmd_ptr); - cmd_buf.cmd_serial.ty = TlPacketType::SysCmd as u8; + p_cmd_buffer.cmdserial.ty = TlPacketType::SysCmd as u8; - Ipcc::c1_set_flag_channel(channels::cpu1::IPCC_SYSTEM_CMD_RSP_CHANNEL); - Ipcc::c1_set_tx_channel(channels::cpu1::IPCC_SYSTEM_CMD_RSP_CHANNEL, true); + sys::send_cmd(); } } diff --git a/embassy-stm32/src/tl_mbox/sys.rs b/embassy-stm32/src/tl_mbox/sys.rs index 9685fb92..c87aa440 100644 --- a/embassy-stm32/src/tl_mbox/sys.rs +++ b/embassy-stm32/src/tl_mbox/sys.rs @@ -1,45 +1,27 @@ use embassy_futures::block_on; use super::cmd::{CmdPacket, CmdSerial}; -use super::consts::TlPacketType; use super::evt::{CcEvt, EvtBox, EvtSerial}; +use super::ipcc::Ipcc; use super::unsafe_linked_list::LinkedListNode; -use super::{channels, SysTable, SYSTEM_EVT_QUEUE, SYS_CMD_BUF, TL_CHANNEL, TL_REF_TABLE, TL_SYS_TABLE}; -use crate::tl_mbox::ipcc::Ipcc; +use super::{channels, SysTable, HEAPLESS_EVT_QUEUE, SYSTEM_EVT_QUEUE, SYS_CMD_BUF, TL_SYS_TABLE}; pub struct Sys; impl Sys { - pub fn enable() { + pub fn new() -> Self { unsafe { LinkedListNode::init_head(SYSTEM_EVT_QUEUE.as_mut_ptr()); TL_SYS_TABLE.as_mut_ptr().write_volatile(SysTable { pcmd_buffer: SYS_CMD_BUF.as_mut_ptr(), sys_queue: SYSTEM_EVT_QUEUE.as_ptr(), - }); + }) } Ipcc::c1_set_rx_channel(channels::cpu2::IPCC_SYSTEM_EVENT_CHANNEL, true); - } - pub fn evt_handler() { - unsafe { - let mut node_ptr = core::ptr::null_mut(); - let node_ptr_ptr: *mut _ = &mut node_ptr; - - while !LinkedListNode::is_empty(SYSTEM_EVT_QUEUE.as_mut_ptr()) { - LinkedListNode::remove_head(SYSTEM_EVT_QUEUE.as_mut_ptr(), node_ptr_ptr); - - let event = node_ptr.cast(); - let event = EvtBox::new(event); - - // TODO: not really happy about this - block_on(TL_CHANNEL.send(event)); - } - } - - Ipcc::c1_clear_flag_channel(channels::cpu2::IPCC_SYSTEM_EVENT_CHANNEL); + Sys } pub fn cmd_evt_handler() -> CcEvt { @@ -55,29 +37,40 @@ impl Sys { // 4. CcEvt type is the actual SHCI response // 5. profit unsafe { - let cmd: *const CmdPacket = (*TL_SYS_TABLE.as_ptr()).pcmd_buffer; - let cmd_serial: *const CmdSerial = &(*cmd).cmd_serial; + let pcmd: *const CmdPacket = (*TL_SYS_TABLE.as_ptr()).pcmd_buffer; + + let a = unsafe { + core::slice::from_raw_parts(&pcmd as *const _ as *const u8, core::mem::size_of::()) + }; + debug!("shci response {:#04x}", a); + + let cmd_serial: *const CmdSerial = &(*pcmd).cmdserial; let evt_serial: *const EvtSerial = cmd_serial.cast(); - let cc = (*evt_serial).evt.payload.as_ptr().cast(); + let cc: *const CcEvt = (*evt_serial).evt.payload.as_ptr().cast(); *cc } } - #[allow(dead_code)] - pub fn send_cmd(buf: &[u8]) { + pub fn evt_handler() { unsafe { - // TODO: check this - let cmd_buffer = &mut *(*TL_REF_TABLE.assume_init().sys_table).pcmd_buffer; - let cmd_serial: *mut CmdSerial = &mut cmd_buffer.cmd_serial; - let cmd_serial_buf = cmd_serial.cast(); + let mut node_ptr = core::ptr::null_mut(); + let node_ptr_ptr: *mut _ = &mut node_ptr; - core::ptr::copy(buf.as_ptr(), cmd_serial_buf, buf.len()); + while !LinkedListNode::is_empty(SYSTEM_EVT_QUEUE.as_mut_ptr()) { + LinkedListNode::remove_head(SYSTEM_EVT_QUEUE.as_mut_ptr(), node_ptr_ptr); - let cmd_packet = &mut *(*TL_REF_TABLE.assume_init().sys_table).pcmd_buffer; - cmd_packet.cmd_serial.ty = TlPacketType::SysCmd as u8; + let event = node_ptr.cast(); + let event = EvtBox::new(event); - Ipcc::c1_set_flag_channel(channels::cpu1::IPCC_SYSTEM_CMD_RSP_CHANNEL); - Ipcc::c1_set_tx_channel(channels::cpu1::IPCC_SYSTEM_CMD_RSP_CHANNEL, true); + block_on(HEAPLESS_EVT_QUEUE.send(event)); + } } + + Ipcc::c1_clear_flag_channel(channels::cpu2::IPCC_SYSTEM_EVENT_CHANNEL); } } + +pub fn send_cmd() { + Ipcc::c1_set_flag_channel(channels::cpu1::IPCC_SYSTEM_CMD_RSP_CHANNEL); + Ipcc::c1_set_tx_channel(channels::cpu1::IPCC_SYSTEM_CMD_RSP_CHANNEL, true); +} diff --git a/examples/stm32wb/src/bin/tl_mbox_tx_rx.rs b/examples/stm32wb/src/bin/tl_mbox_tx_rx.rs index 1724d946..0525d3f3 100644 --- a/examples/stm32wb/src/bin/tl_mbox_tx_rx.rs +++ b/examples/stm32wb/src/bin/tl_mbox_tx_rx.rs @@ -4,7 +4,9 @@ use defmt::*; use embassy_executor::Spawner; -use embassy_stm32::tl_mbox::{Config, TlMbox}; +use embassy_stm32::tl_mbox::hci::RadioCoprocessor; +use embassy_stm32::tl_mbox::ipcc::Config; +use embassy_stm32::tl_mbox::TlMbox; use embassy_stm32::{bind_interrupts, tl_mbox}; use {defmt_rtt as _, panic_probe as _}; @@ -45,53 +47,14 @@ async fn main(_spawner: Spawner) { let config = Config::default(); let mbox = TlMbox::new(p.IPCC, Irqs, config); - info!("waiting for coprocessor to boot"); - let event_box = mbox.read().await; + let mut rc = RadioCoprocessor::new(mbox, Default::default()); + rc.write(&[0x01, 0x03, 0x0c, 0x00, 0x00]).unwrap(); - let mut payload = [0u8; 6]; - event_box.copy_into_slice(&mut payload).unwrap(); + let response = rc.read().await; + info!("coprocessor ready {}", response); - let event_packet = event_box.evt(); - let kind = event_packet.evt_serial.kind; - - // means recieved SYS event, which indicates in this case that the coprocessor is ready - if kind == 0x12 { - let code = event_packet.evt_serial.evt.evt_code; - let payload_len = event_packet.evt_serial.evt.payload_len; - - info!( - "==> kind: {:#04x}, code: {:#04x}, payload_length: {}, payload: {:#04x}", - kind, - code, - payload_len, - payload[3..] - ); - } - - // initialize ble stack, does not return a response - mbox.shci_ble_init(Default::default()); - - info!("resetting BLE"); - mbox.send_ble_cmd(&[0x01, 0x03, 0x0c, 0x00, 0x00]); - - let event_box = mbox.read().await; - - let mut payload = [0u8; 7]; - event_box.copy_into_slice(&mut payload).unwrap(); - - let event_packet = event_box.evt(); - let kind = event_packet.evt_serial.kind; - - let code = event_packet.evt_serial.evt.evt_code; - let payload_len = event_packet.evt_serial.evt.payload_len; - - info!( - "==> kind: {:#04x}, code: {:#04x}, payload_length: {}, payload: {:#04x}", - kind, - code, - payload_len, - payload[3..] - ); + let response = rc.read().await; + info!("coprocessor ready {}", response); info!("Test OK"); cortex_m::asm::bkpt();