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Update libtock-drivers/ NFC driver

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This commit is contained in:
Mirna
2020-10-15 19:55:39 +02:00
parent 9205974b50
commit f09a9b4fae
1 changed files with 119 additions and 92 deletions
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211
third_party/libtock-drivers/src/nfc.rs vendored
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@@ -9,6 +9,7 @@ mod command_nr {
pub const RECEIVE: usize = 2;
pub const EMULATE: usize = 3;
pub const CONFIGURE: usize = 4;
pub const FRAMEDELAYMAX: usize = 5;
}
mod subscribe_nr {
@@ -22,96 +23,122 @@ mod allow_nr {
pub const RECEIVE: usize = 2;
}
pub fn enable_emulation() {
emulate(true);
}
pub fn disable_emulation() {
emulate(false);
}
pub fn emulate(enabled: bool) -> bool {
let result_code = syscalls::command(DRIVER_NUMBER, command_nr::EMULATE, enabled as usize, 0);
if result_code.is_err() {
return false;
}
true
}
pub fn selected() -> bool {
let is_selected = Cell::new(false);
let mut is_selected_alarm = || is_selected.set(true);
let subscription = syscalls::subscribe::<callback::Identity0Consumer, _>(
DRIVER_NUMBER,
subscribe_nr::SELECT,
&mut is_selected_alarm,
);
if subscription.is_err() {
return false;
}
util::yieldk_for(|| is_selected.get());
true
}
pub fn configure(tag_type: u8) -> bool {
let result_code = syscalls::command(DRIVER_NUMBER, command_nr::CONFIGURE, tag_type as usize, 0);
if result_code.is_err() {
return false;
}
true
}
pub fn receive(buf: &mut [u8]) -> bool {
let result = syscalls::allow(DRIVER_NUMBER, allow_nr::RECEIVE, buf);
if result.is_err() {
return false;
}
let done = Cell::new(false);
let mut alarm = || done.set(true);
let subscription = syscalls::subscribe::<callback::Identity0Consumer, _>(
DRIVER_NUMBER,
subscribe_nr::RECEIVE,
&mut alarm,
);
if subscription.is_err() {
return false;
}
let result_code = syscalls::command(DRIVER_NUMBER, command_nr::RECEIVE, 0, 0);
if result_code.is_err() {
return false;
}
util::yieldk_for(|| done.get());
true
}
pub fn transmit(buf: &mut [u8]) -> bool {
let result = syscalls::allow(DRIVER_NUMBER, allow_nr::TRANSMIT, buf);
if result.is_err() {
return false;
}
let done = Cell::new(false);
let mut alarm = || done.set(true);
let subscription = syscalls::subscribe::<callback::Identity0Consumer, _>(
DRIVER_NUMBER,
subscribe_nr::TRANSMIT,
&mut alarm,
);
if subscription.is_err() {
return false;
}
let result_code = syscalls::command(DRIVER_NUMBER, command_nr::TRANSMIT, 0, 0);
if result_code.is_err() {
return false;
}
util::yieldk_for(|| done.get());
true
pub struct NfcTag {}
impl NfcTag {
pub fn enable_emulation() {
NfcTag::emulate(true);
}
pub fn disable_emulation() {
NfcTag::emulate(false);
}
pub fn emulate(enabled: bool) -> bool {
let result_code =
syscalls::command(DRIVER_NUMBER, command_nr::EMULATE, enabled as usize, 0);
if result_code.is_err() {
return false;
}
true
}
/// Subscribe to the tag being SELECTED callback.
pub fn selected() -> bool {
let is_selected = Cell::new(false);
let mut is_selected_alarm = || is_selected.set(true);
let subscription = syscalls::subscribe::<callback::Identity0Consumer, _>(
DRIVER_NUMBER,
subscribe_nr::SELECT,
&mut is_selected_alarm,
);
if subscription.is_err() {
return false;
}
util::yieldk_for(|| is_selected.get());
true
}
/// Configure the tag type command.
pub fn configure(tag_type: u8) -> bool {
let result_code =
syscalls::command(DRIVER_NUMBER, command_nr::CONFIGURE, tag_type as usize, 0);
if result_code.is_err() {
return false;
}
true
}
/// Set the maximum frame delay value to support
/// transmission with the reader.
pub fn set_framedelaymax(delay: u32) -> bool {
let result_code =
syscalls::command(DRIVER_NUMBER, command_nr::FRAMEDELAYMAX, delay as usize, 0);
if result_code.is_err() {
return false;
}
true
}
/// 1. Share with the driver a buffer.
/// 2. Subscribe to having a successful receive callback.
/// 3. Issue the request for reception.
pub fn receive(buf: &mut [u8]) -> bool {
let result = syscalls::allow(DRIVER_NUMBER, allow_nr::RECEIVE, buf);
if result.is_err() {
return false;
}
let done = Cell::new(false);
let mut alarm = || done.set(true);
let subscription = syscalls::subscribe::<callback::Identity0Consumer, _>(
DRIVER_NUMBER,
subscribe_nr::RECEIVE,
&mut alarm,
);
if subscription.is_err() {
return false;
}
let result_code = syscalls::command(DRIVER_NUMBER, command_nr::RECEIVE, 0, 0);
if result_code.is_err() {
return false;
}
util::yieldk_for(|| done.get());
true
}
/// 1. Share with the driver a buffer containing the app's reply.
/// 2. Subscribe to having a successful transmission callback.
/// 3. Issue the request for transmitting.
pub fn transmit(buf: &mut [u8], amount: usize) -> bool {
let result = syscalls::allow(DRIVER_NUMBER, allow_nr::TRANSMIT, buf);
if result.is_err() {
return false;
}
let done = Cell::new(false);
let mut alarm = || done.set(true);
let subscription = syscalls::subscribe::<callback::Identity0Consumer, _>(
DRIVER_NUMBER,
subscribe_nr::TRANSMIT,
&mut alarm,
);
if subscription.is_err() {
return false;
}
let result_code = syscalls::command(DRIVER_NUMBER, command_nr::TRANSMIT, amount, 0);
if result_code.is_err() {
return false;
}
util::yieldk_for(|| done.get());
true
}
}