forked from M-Labs/artiq-zynq
logger: changed from RefCell to Mutex.
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2568d62865
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92405ffe91
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@ -14,7 +14,7 @@ let
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version = "0.1.0";
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src = ./src;
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cargoSha256 = "1q66h2avk0gvw8k07jjazzv1f3n1p4y11vkc15c6s31pcapz3d81";
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cargoSha256 = "0q0xy5f1qzg6iifx6zqcfrs5l33ylhm4h2ii19l4c978l4vd3k5y";
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nativeBuildInputs = [
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pkgs.gnumake
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@ -200,7 +200,7 @@ dependencies = [
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[[package]]
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name = "libasync"
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version = "0.0.0"
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source = "git+https://git.m-labs.hk/M-Labs/zc706.git#371e59cef57746e3dd4cae915be7fd3286972822"
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source = "git+https://git.m-labs.hk/M-Labs/zc706.git#074438c3c7becd30a08a59490754f3120a0650f0"
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dependencies = [
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"embedded-hal",
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"libcortex_a9",
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@ -212,7 +212,7 @@ dependencies = [
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[[package]]
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name = "libboard_zynq"
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version = "0.0.0"
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source = "git+https://git.m-labs.hk/M-Labs/zc706.git#371e59cef57746e3dd4cae915be7fd3286972822"
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source = "git+https://git.m-labs.hk/M-Labs/zc706.git#074438c3c7becd30a08a59490754f3120a0650f0"
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dependencies = [
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"bit_field",
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"embedded-hal",
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@ -236,7 +236,7 @@ dependencies = [
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[[package]]
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name = "libcortex_a9"
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version = "0.0.0"
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source = "git+https://git.m-labs.hk/M-Labs/zc706.git#371e59cef57746e3dd4cae915be7fd3286972822"
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source = "git+https://git.m-labs.hk/M-Labs/zc706.git#074438c3c7becd30a08a59490754f3120a0650f0"
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dependencies = [
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"bit_field",
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"libregister",
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@ -245,7 +245,7 @@ dependencies = [
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[[package]]
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name = "libregister"
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version = "0.0.0"
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source = "git+https://git.m-labs.hk/M-Labs/zc706.git#371e59cef57746e3dd4cae915be7fd3286972822"
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source = "git+https://git.m-labs.hk/M-Labs/zc706.git#074438c3c7becd30a08a59490754f3120a0650f0"
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dependencies = [
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"bit_field",
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"vcell",
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@ -255,7 +255,7 @@ dependencies = [
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[[package]]
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name = "libsupport_zynq"
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version = "0.0.0"
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source = "git+https://git.m-labs.hk/M-Labs/zc706.git#371e59cef57746e3dd4cae915be7fd3286972822"
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source = "git+https://git.m-labs.hk/M-Labs/zc706.git#074438c3c7becd30a08a59490754f3120a0650f0"
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dependencies = [
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"compiler_builtins",
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"libboard_zynq",
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@ -1,16 +1,17 @@
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use core::cell::{Cell, RefCell, RefMut};
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use core::cell::Cell;
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use core::fmt::Write;
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use log::{Log, LevelFilter};
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use log_buffer::LogBuffer;
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use libcortex_a9::mutex::{Mutex, MutexGuard};
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use libboard_zynq::{println, timer::GlobalTimer};
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pub struct LogBufferRef<'a> {
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buffer: RefMut<'a, LogBuffer<&'static mut [u8]>>,
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buffer: MutexGuard<'a, LogBuffer<&'static mut [u8]>>,
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old_log_level: LevelFilter
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}
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impl<'a> LogBufferRef<'a> {
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fn new(buffer: RefMut<'a, LogBuffer<&'static mut [u8]>>) -> LogBufferRef<'a> {
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fn new(buffer: MutexGuard<'a, LogBuffer<&'static mut [u8]>>) -> LogBufferRef<'a> {
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let old_log_level = log::max_level();
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log::set_max_level(LevelFilter::Off);
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LogBufferRef { buffer, old_log_level }
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@ -36,7 +37,7 @@ impl<'a> Drop for LogBufferRef<'a> {
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}
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pub struct BufferLogger {
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buffer: RefCell<LogBuffer<&'static mut [u8]>>,
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buffer: Mutex<LogBuffer<&'static mut [u8]>>,
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uart_filter: Cell<LevelFilter>
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}
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@ -45,7 +46,7 @@ static mut LOGGER: Option<BufferLogger> = None;
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impl BufferLogger {
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pub fn new(buffer: &'static mut [u8]) -> BufferLogger {
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BufferLogger {
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buffer: RefCell::new(LogBuffer::new(buffer)),
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buffer: Mutex::new(LogBuffer::new(buffer)),
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uart_filter: Cell::new(LevelFilter::Info),
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}
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}
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@ -62,11 +63,10 @@ impl BufferLogger {
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&mut LOGGER
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}
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pub fn buffer<'a>(&'a self) -> Result<LogBufferRef<'a>, ()> {
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pub fn buffer<'a>(&'a self) -> Option<LogBufferRef<'a>> {
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self.buffer
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.try_borrow_mut()
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.try_lock()
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.map(LogBufferRef::new)
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.map_err(|_| ())
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}
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pub fn uart_log_level(&self) -> LevelFilter {
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@ -94,7 +94,7 @@ impl Log for BufferLogger {
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let seconds = timestamp / 1_000_000;
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let micros = timestamp % 1_000_000;
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if let Ok(mut buffer) = self.buffer.try_borrow_mut() {
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if let Some(mut buffer) = self.buffer.try_lock() {
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writeln!(buffer, "[{:6}.{:06}s] {:>5}({}): {}", seconds, micros,
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record.level(), record.target(), record.args()).unwrap();
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}
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@ -17,7 +17,7 @@ where
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poll_fn(|ctx| {
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let logger = unsafe { BufferLogger::get_logger().as_mut().unwrap() };
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match logger.buffer() {
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Ok(buffer) if f(&buffer) => Poll::Ready(buffer),
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Some(buffer) if f(&buffer) => Poll::Ready(buffer),
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_ => {
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ctx.waker().wake_by_ref();
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Poll::Pending
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