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Merge pull request #336 from bgamari/unwrap-consistency

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examples: Consistently use unwrap! in favor of .unwrap()
This commit is contained in:
Dario Nieuwenhuis 2021-08-05 22:45:00 +02:00 committed by GitHub
commit a361050224
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27 changed files with 94 additions and 85 deletions
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2
embassy-macros/src/lib.rs
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@ -364,7 +364,7 @@ pub fn main(args: TokenStream, item: TokenStream) -> TokenStream {
#chip_setup
executor.run(|spawner| {
spawner.spawn(__embassy_main(spawner, p)).unwrap();
spawner.must_spawn(__embassy_main(spawner, p));
})
}

28
embassy-stm32/src/rcc/f4/mod.rs
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@ -63,7 +63,7 @@ impl<'d> Rcc<'d> {
}
let sysclk = if sysclk_on_pll {
plls.pllsysclk.unwrap()
unwrap!(plls.pllsysclk)
} else {
sysclk
};
@ -245,13 +245,11 @@ impl<'d> Rcc<'d> {
// Find the lowest pllm value that minimize the difference between
// target frequency and the real vco_out frequency.
let pllm = (pllm_min..=pllm_max)
.min_by_key(|pllm| {
let vco_in = pllsrcclk / pllm;
let plln = target_freq / vco_in;
target_freq - vco_in * plln
})
.unwrap();
let pllm = unwrap!((pllm_min..=pllm_max).min_by_key(|pllm| {
let vco_in = pllsrcclk / pllm;
let plln = target_freq / vco_in;
target_freq - vco_in * plln
}));
let vco_in = pllsrcclk / pllm;
assert!((1_000_000..=2_000_000).contains(&vco_in));
@ -261,14 +259,12 @@ impl<'d> Rcc<'d> {
let plln = if pll48clk {
// try the different valid pllq according to the valid
// main scaller values, and take the best
let pllq = (4..=9)
.min_by_key(|pllq| {
let plln = 48_000_000 * pllq / vco_in;
let pll48_diff = 48_000_000 - vco_in * plln / pllq;
let sysclk_diff = (sysclk as i32 - (vco_in * plln / sysclk_div) as i32).abs();
(pll48_diff, sysclk_diff)
})
.unwrap();
let pllq = unwrap!((4..=9).min_by_key(|pllq| {
let plln = 48_000_000 * pllq / vco_in;
let pll48_diff = 48_000_000 - vco_in * plln / pllq;
let sysclk_diff = (sysclk as i32 - (vco_in * plln / sysclk_div) as i32).abs();
(pll48_diff, sysclk_diff)
}));
48_000_000 * pllq / vco_in
} else {
sysclk * sysclk_div / vco_in

4
embassy-stm32/src/rcc/h7/mod.rs
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@ -120,7 +120,7 @@ impl<'d> Rcc<'d> {
unsafe { pll_setup(srcclk.0, &self.config.pll3, 2) };
let sys_ck = if sys_use_pll1_p {
Hertz(pll1_p_ck.unwrap()) // Must have been set by sys_ck_setup
Hertz(unwrap!(pll1_p_ck)) // Must have been set by sys_ck_setup
} else {
sys_ck
};
@ -390,7 +390,7 @@ impl<'d> Rcc<'d> {
// set. The traceclk mux is synchronous with the system
// clock mux, but has pll1_r_ck as an input. In order to
// keep traceclk running, we force a pll1_r_ck.
(true, None) => Some(Hertz(self.config.pll1.p_ck.unwrap().0 / 2)),
(true, None) => Some(Hertz(unwrap!(self.config.pll1.p_ck).0 / 2)),
// Either pll1 not selected as system clock, free choice
// of pll1_r_ck. Or pll1 is selected, assume user has set

5
embassy-stm32/src/time_driver.rs
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@ -106,7 +106,10 @@ impl State {
r.cnt().write(|w| w.set_cnt(0));
let psc = timer_freq.0 / TICKS_PER_SECOND as u32 - 1;
let psc: u16 = psc.try_into().unwrap();
let psc: u16 = match psc.try_into() {
Err(_) => panic!("psc division overflow: {}", psc),
Ok(n) => n,
};
r.psc().write(|w| w.set_psc(psc));
r.arr().write(|w| w.set_arr(u16::MAX));

8
embassy/src/executor/mod.rs
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@ -56,6 +56,14 @@ impl Spawner {
}
}
/// Used by the `embassy_macros::main!` macro to throw an error when spawn
/// fails. This is here to allow conditional use of `defmt::unwrap!`
/// without introducing a `defmt` feature in the `embassy_macros` package,
/// which would require use of `-Z namespaced-features`.
pub fn must_spawn<F>(&self, token: SpawnToken<F>) -> () {
unwrap!(self.spawn(token));
}
/// Convert this Spawner to a SendSpawner. This allows you to send the
/// spawner to other threads, but the spawner loses the ability to spawn
/// non-Send tasks.

5
examples/nrf/src/bin/blinky.rs
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@ -6,6 +6,7 @@
#[path = "../example_common.rs"]
mod example_common;
use defmt::unwrap;
use embassy::executor::Spawner;
use embassy::time::{Duration, Timer};
use embassy_nrf::gpio::{Level, Output, OutputDrive};
@ -17,9 +18,9 @@ async fn main(_spawner: Spawner, p: Peripherals) {
let mut led = Output::new(p.P0_13, Level::Low, OutputDrive::Standard);
loop {
led.set_high().unwrap();
unwrap!(led.set_high());
Timer::after(Duration::from_millis(300)).await;
led.set_low().unwrap();
unwrap!(led.set_low());
Timer::after(Duration::from_millis(300)).await;
}
}

8
examples/nrf/src/bin/gpiote_port.rs
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@ -32,8 +32,8 @@ async fn main(spawner: Spawner, p: Peripherals) {
let btn3 = PortInput::new(Input::new(p.P0_24.degrade(), Pull::Up));
let btn4 = PortInput::new(Input::new(p.P0_25.degrade(), Pull::Up));
spawner.spawn(button_task(1, btn1)).unwrap();
spawner.spawn(button_task(2, btn2)).unwrap();
spawner.spawn(button_task(3, btn3)).unwrap();
spawner.spawn(button_task(4, btn4)).unwrap();
unwrap!(spawner.spawn(button_task(1, btn1)));
unwrap!(spawner.spawn(button_task(2, btn2)));
unwrap!(spawner.spawn(button_task(3, btn3)));
unwrap!(spawner.spawn(button_task(4, btn4)));
}

7
examples/nrf/src/bin/mpsc.rs
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@ -6,6 +6,7 @@
#[path = "../example_common.rs"]
mod example_common;
use defmt::unwrap;
use embassy::executor::Spawner;
use embassy::time::{Duration, Timer};
use embassy::util::mpsc::TryRecvError;
@ -39,7 +40,7 @@ async fn main(spawner: Spawner, p: Peripherals) {
let channel = CHANNEL.put(Channel::new());
let (sender, mut receiver) = mpsc::split(channel);
spawner.spawn(my_task(sender)).unwrap();
unwrap!(spawner.spawn(my_task(sender)));
// We could just loop on `receiver.recv()` for simplicity. The code below
// is optimized to drain the queue as fast as possible in the spirit of
@ -53,8 +54,8 @@ async fn main(spawner: Spawner, p: Peripherals) {
Err(TryRecvError::Closed) => break,
};
match maybe_message {
Some(LedState::On) => led.set_high().unwrap(),
Some(LedState::Off) => led.set_low().unwrap(),
Some(LedState::On) => unwrap!(led.set_high()),
Some(LedState::Off) => unwrap!(led.set_low()),
_ => (),
}
}

12
examples/nrf/src/bin/qspi.rs
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@ -35,19 +35,19 @@ async fn main(_spawner: Spawner, p: Peripherals) {
.await;
let mut id = [1; 3];
q.custom_instruction(0x9F, &[], &mut id).await.unwrap();
unwrap!(q.custom_instruction(0x9F, &[], &mut id).await);
info!("id: {}", id);
// Read status register
let mut status = [4; 1];
q.custom_instruction(0x05, &[], &mut status).await.unwrap();
unwrap!(q.custom_instruction(0x05, &[], &mut status).await);
info!("status: {:?}", status[0]);
if status[0] & 0x40 == 0 {
status[0] |= 0x40;
q.custom_instruction(0x01, &status, &mut []).await.unwrap();
unwrap!(q.custom_instruction(0x01, &status, &mut []).await);
info!("enabled quad in status");
}
@ -58,19 +58,19 @@ async fn main(_spawner: Spawner, p: Peripherals) {
for i in 0..8 {
info!("page {:?}: erasing... ", i);
q.erase(i * PAGE_SIZE).await.unwrap();
unwrap!(q.erase(i * PAGE_SIZE).await);
for j in 0..PAGE_SIZE {
buf.0[j] = pattern((j + i * PAGE_SIZE) as u32);
}
info!("programming...");
q.write(i * PAGE_SIZE, &buf.0).await.unwrap();
unwrap!(q.write(i * PAGE_SIZE, &buf.0).await);
}
for i in 0..8 {
info!("page {:?}: reading... ", i);
q.read(i * PAGE_SIZE, &mut buf.0).await.unwrap();
unwrap!(q.read(i * PAGE_SIZE, &mut buf.0).await);
info!("verifying...");
for j in 0..PAGE_SIZE {

8
examples/nrf/src/bin/qspi_lowpower.rs
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@ -49,19 +49,19 @@ async fn main(_spawner: Spawner, mut p: Peripherals) {
.await;
let mut id = [1; 3];
q.custom_instruction(0x9F, &[], &mut id).await.unwrap();
unwrap!(q.custom_instruction(0x9F, &[], &mut id).await);
info!("id: {}", id);
// Read status register
let mut status = [4; 1];
q.custom_instruction(0x05, &[], &mut status).await.unwrap();
unwrap!(q.custom_instruction(0x05, &[], &mut status).await);
info!("status: {:?}", status[0]);
if status[0] & 0x40 == 0 {
status[0] |= 0x40;
q.custom_instruction(0x01, &status, &mut []).await.unwrap();
unwrap!(q.custom_instruction(0x01, &status, &mut []).await);
info!("enabled quad in status");
}
@ -69,7 +69,7 @@ async fn main(_spawner: Spawner, mut p: Peripherals) {
let mut buf = AlignedBuf([0u8; 64]);
info!("reading...");
q.read(0, &mut buf.0).await.unwrap();
unwrap!(q.read(0, &mut buf.0).await);
info!("read: {=[u8]:x}", buf.0);
// Drop the QSPI instance. This disables the peripehral and deconfigures the pins.

6
examples/nrf/src/bin/rng.rs
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@ -6,7 +6,7 @@
#[path = "../example_common.rs"]
mod example_common;
use defmt::panic;
use defmt::{panic, unwrap};
use embassy::executor::Spawner;
use embassy::traits::rng::Rng as _;
use embassy_nrf::interrupt;
@ -20,14 +20,14 @@ async fn main(_spawner: Spawner, p: Peripherals) {
// Async API
let mut bytes = [0; 4];
rng.fill_bytes(&mut bytes).await.unwrap(); // nRF RNG is infallible
unwrap!(rng.fill_bytes(&mut bytes).await); // nRF RNG is infallible
defmt::info!("Some random bytes: {:?}", bytes);
// Sync API with `rand`
defmt::info!("A random number from 1 to 10: {:?}", rng.gen_range(1..=10));
let mut bytes = [0; 1024];
rng.fill_bytes(&mut bytes).await.unwrap();
unwrap!(rng.fill_bytes(&mut bytes).await);
let zero_count: u32 = bytes.iter().fold(0, |acc, val| acc + val.count_zeros());
let one_count: u32 = bytes.iter().fold(0, |acc, val| acc + val.count_ones());
defmt::info!(

16
examples/nrf/src/bin/spim.rs
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@ -31,12 +31,12 @@ async fn main(_spawner: Spawner, p: Peripherals) {
// softreset
cortex_m::asm::delay(10);
ncs.set_low().unwrap();
unwrap!(ncs.set_low());
cortex_m::asm::delay(5);
let tx = [0xFF];
unwrap!(spim.read_write(&mut [], &tx).await);
cortex_m::asm::delay(10);
ncs.set_high().unwrap();
unwrap!(ncs.set_high());
cortex_m::asm::delay(100000);
@ -44,31 +44,31 @@ async fn main(_spawner: Spawner, p: Peripherals) {
// read ESTAT
cortex_m::asm::delay(5000);
ncs.set_low().unwrap();
unwrap!(ncs.set_low());
cortex_m::asm::delay(5000);
let tx = [0b000_11101, 0];
unwrap!(spim.read_write(&mut rx, &tx).await);
cortex_m::asm::delay(5000);
ncs.set_high().unwrap();
unwrap!(ncs.set_high());
info!("estat: {=[?]}", rx);
// Switch to bank 3
cortex_m::asm::delay(10);
ncs.set_low().unwrap();
unwrap!(ncs.set_low());
cortex_m::asm::delay(5);
let tx = [0b100_11111, 0b11];
unwrap!(spim.read_write(&mut rx, &tx).await);
cortex_m::asm::delay(10);
ncs.set_high().unwrap();
unwrap!(ncs.set_high());
// read EREVID
cortex_m::asm::delay(10);
ncs.set_low().unwrap();
unwrap!(ncs.set_low());
cortex_m::asm::delay(5);
let tx = [0b000_10010, 0];
unwrap!(spim.read_write(&mut rx, &tx).await);
cortex_m::asm::delay(10);
ncs.set_high().unwrap();
unwrap!(ncs.set_high());
info!("erevid: {=[?]}", rx);
}

2
examples/nrf/src/bin/twim.rs
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@ -27,7 +27,7 @@ async fn main(_spawner: Spawner, p: Peripherals) {
info!("Reading...");
let mut buf = [0u8; 16];
twi.write_then_read(ADDRESS, &mut [0x00], &mut buf).unwrap();
unwrap!(twi.write_then_read(ADDRESS, &mut [0x00], &mut buf));
info!("Read: {=[u8]:x}", buf);
}

2
examples/nrf/src/bin/twim_lowpower.rs
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@ -37,7 +37,7 @@ async fn main(_spawner: Spawner, mut p: Peripherals) {
info!("Reading...");
let mut buf = [0u8; 16];
twi.write_then_read(ADDRESS, &mut [0x00], &mut buf).unwrap();
unwrap!(twi.write_then_read(ADDRESS, &mut [0x00], &mut buf));
info!("Read: {=[u8]:x}", buf);

4
examples/stm32f4/src/bin/blinky.rs
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@ -26,11 +26,11 @@ async fn main(_spawner: Spawner, p: Peripherals) {
loop {
info!("high");
led.set_high().unwrap();
unwrap!(led.set_high());
Timer::after(Duration::from_millis(300)).await;
info!("low");
led.set_low().unwrap();
unwrap!(led.set_low());
Timer::after(Duration::from_millis(300)).await;
}
}

10
examples/stm32f4/src/bin/button.rs
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@ -28,14 +28,14 @@ fn main() -> ! {
let mut led3 = Output::new(p.PB14, Level::High, Speed::Low);
loop {
if button.is_high().unwrap() {
if unwrap!(button.is_high()) {
info!("high");
led1.set_high().unwrap();
led3.set_low().unwrap();
unwrap!(led1.set_high());
unwrap!(led3.set_low());
} else {
info!("low");
led1.set_low().unwrap();
led3.set_high().unwrap();
unwrap!(led1.set_low());
unwrap!(led3.set_high());
}
}
}

6
examples/stm32f4/src/bin/usart.rs
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@ -26,12 +26,12 @@ fn main() -> ! {
let config = Config::default();
let mut usart = Uart::new(p.USART3, p.PD9, p.PD8, NoDma, NoDma, config);
usart.bwrite_all(b"Hello Embassy World!\r\n").unwrap();
unwrap!(usart.bwrite_all(b"Hello Embassy World!\r\n"));
info!("wrote Hello, starting echo");
let mut buf = [0u8; 1];
loop {
usart.read_blocking(&mut buf).unwrap();
usart.bwrite_all(&buf).unwrap();
unwrap!(usart.read_blocking(&mut buf));
unwrap!(usart.bwrite_all(&buf));
}
}

2
examples/stm32f4/src/bin/usart_dma.rs
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@ -31,7 +31,7 @@ async fn main(_spawner: Spawner, p: Peripherals) {
let mut s: String<128> = String::new();
core::write!(&mut s, "Hello DMA World {}!\r\n", n).unwrap();
usart.write(s.as_bytes()).await.unwrap();
unwrap!(usart.write(s.as_bytes()).await);
info!("wrote DMA");
}
}

4
examples/stm32h7/src/bin/blinky.rs
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@ -24,11 +24,11 @@ async fn main(_spawner: Spawner, p: Peripherals) {
loop {
info!("high");
led.set_high().unwrap();
unwrap!(led.set_high());
Timer::after(Duration::from_millis(500)).await;
info!("low");
led.set_low().unwrap();
unwrap!(led.set_low());
Timer::after(Duration::from_millis(500)).await;
}
}

6
examples/stm32h7/src/bin/usart.rs
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@ -23,13 +23,13 @@ async fn main_task() {
let config = Config::default();
let mut usart = Uart::new(p.UART7, p.PF6, p.PF7, NoDma, NoDma, config);
usart.bwrite_all(b"Hello Embassy World!\r\n").unwrap();
unwrap!(usart.bwrite_all(b"Hello Embassy World!\r\n"));
info!("wrote Hello, starting echo");
let mut buf = [0u8; 1];
loop {
usart.read_blocking(&mut buf).unwrap();
usart.bwrite_all(&buf).unwrap();
unwrap!(usart.read_blocking(&mut buf));
unwrap!(usart.bwrite_all(&buf));
}
}

4
examples/stm32l0/src/bin/blinky.rs
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@ -25,11 +25,11 @@ async fn main(_spawner: Spawner, mut p: Peripherals) {
loop {
info!("high");
led.set_high().unwrap();
unwrap!(led.set_high());
Timer::after(Duration::from_millis(300)).await;
info!("low");
led.set_low().unwrap();
unwrap!(led.set_low());
Timer::after(Duration::from_millis(300)).await;
}
}

10
examples/stm32l0/src/bin/button.rs
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@ -27,14 +27,14 @@ fn main() -> ! {
let mut led2 = Output::new(p.PB5, Level::High, Speed::Low);
loop {
if button.is_high().unwrap() {
if unwrap!(button.is_high()) {
info!("high");
led1.set_high().unwrap();
led2.set_low().unwrap();
unwrap!(led1.set_high());
unwrap!(led2.set_low());
} else {
info!("low");
led1.set_low().unwrap();
led2.set_high().unwrap();
unwrap!(led1.set_low());
unwrap!(led2.set_high());
}
}
}

4
examples/stm32l4/src/bin/blinky.rs
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@ -25,9 +25,9 @@ async fn main(_spawner: Spawner, p: Peripherals) {
let mut led = Output::new(p.PB14, Level::High, Speed::Low);
loop {
led.set_high().unwrap();
unwrap!(led.set_high());
Timer::after(Duration::from_millis(300)).await;
led.set_low().unwrap();
unwrap!(led.set_low());
Timer::after(Duration::from_millis(300)).await;
}
}

2
examples/stm32l4/src/bin/button.rs
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@ -24,7 +24,7 @@ fn main() -> ! {
let button = Input::new(p.PC13, Pull::Up);
loop {
if button.is_high().unwrap() {
if unwrap!(button.is_high()) {
info!("high");
} else {
info!("low");

4
examples/stm32l4/src/bin/spi_dma.rs
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@ -45,10 +45,10 @@ async fn main(_spawner: Spawner, p: Peripherals) {
let ready = Input::new(p.PE1, Pull::Up);
cortex_m::asm::delay(100_000);
reset.set_high().unwrap();
unwrap!(reset.set_high());
cortex_m::asm::delay(100_000);
while ready.is_low().unwrap() {
while unwrap!(ready.is_low()) {
info!("waiting for ready");
}

6
examples/stm32l4/src/bin/usart.rs
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@ -26,12 +26,12 @@ fn main() -> ! {
let config = Config::default();
let mut usart = Uart::new(p.UART4, p.PA1, p.PA0, NoDma, NoDma, config);
usart.bwrite_all(b"Hello Embassy World!\r\n").unwrap();
unwrap!(usart.bwrite_all(b"Hello Embassy World!\r\n"));
info!("wrote Hello, starting echo");
let mut buf = [0u8; 1];
loop {
usart.read_blocking(&mut buf).unwrap();
usart.bwrite_all(&buf).unwrap();
unwrap!(usart.read_blocking(&mut buf));
unwrap!(usart.bwrite_all(&buf));
}
}

4
examples/stm32wb55/src/bin/blinky.rs
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@ -24,11 +24,11 @@ async fn main(_spawner: Spawner, p: Peripherals) {
loop {
info!("high");
led.set_high().unwrap();
unwrap!(led.set_high());
Timer::after(Duration::from_millis(500)).await;
info!("low");
led.set_low().unwrap();
unwrap!(led.set_low());
Timer::after(Duration::from_millis(500)).await;
}
}