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stm32/wpan: cleanup and expand shci

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This commit is contained in:
xoviat
2023-06-18 08:37:26 -05:00
parent adaed307b4
commit 7177e7ea1a
4 changed files with 349 additions and 107 deletions
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65
embassy-stm32-wpan/src/evt.rs
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@ -62,6 +62,7 @@ pub struct EvtSerial {
}
#[derive(Copy, Clone, Default)]
#[repr(C, packed)]
pub struct EvtStub {
pub kind: u8,
pub evt_code: u8,
@ -114,7 +115,7 @@ impl EvtBox {
}
}
pub fn payload<'a>(&self) -> &'a [u8] {
pub fn payload<'a>(&'a self) -> &'a [u8] {
unsafe {
let p_payload_len = &(*self.ptr).evt_serial.evt.payload_len as *const u8;
let p_payload = &(*self.ptr).evt_serial.evt.payload as *const u8;
@ -124,72 +125,10 @@ impl EvtBox {
slice::from_raw_parts(p_payload, payload_len as usize)
}
}
// TODO: bring back acl
// /// 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<usize, ()> {
// 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 evt_serial_buf: *const u8 = evt_serial.cast();
//
// let acl_data: *const AclDataPacket = self.ptr.cast();
// let acl_serial: *const AclDataSerial = &(*acl_data).acl_data_serial;
// let acl_serial_buf: *const u8 = acl_serial.cast();
//
// if let TlPacketType::AclData = evt_kind {
// let len = (*acl_serial).length as usize + 5;
// if len > buf.len() {
// return Err(());
// }
//
// core::ptr::copy(evt_serial_buf, buf.as_mut_ptr(), len);
//
// Ok(len)
// } else {
// 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)
// }
// }
// }
//
// /// returns the size of a buffer required to hold this event
// #[allow(clippy::result_unit_err)]
// pub fn size(&self) -> Result<usize, ()> {
// 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 {
fn drop(&mut self) {
trace!("evt box drop packet");
unsafe { mm::MemoryManager::drop_event_packet(self.ptr) };
}
}