2021-04-14 09:25:10 +02:00
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use crate::path::ModulePrefix;
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2021-03-29 02:47:10 +02:00
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use darling::FromMeta;
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use proc_macro2::TokenStream;
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use quote::{format_ident, quote};
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use syn::spanned::Spanned;
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#[derive(Debug, FromMeta)]
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pub enum HfclkSource {
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Internal,
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ExternalXtal,
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}
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impl Default for HfclkSource {
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fn default() -> Self {
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Self::Internal
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}
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}
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#[derive(Debug, FromMeta)]
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pub enum LfclkSource {
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InternalRC,
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Synthesized,
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ExternalXtal,
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ExternalLowSwing,
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ExternalFullSwing,
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}
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impl Default for LfclkSource {
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fn default() -> Self {
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Self::InternalRC
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}
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}
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2021-04-14 09:25:10 +02:00
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#[derive(Debug, FromMeta, Default)]
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2021-03-29 02:47:10 +02:00
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pub struct Args {
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2021-04-14 09:25:10 +02:00
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#[darling(default)]
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pub embassy_prefix: ModulePrefix,
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2021-03-29 02:47:10 +02:00
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#[darling(default)]
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pub hfclk_source: HfclkSource,
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#[darling(default)]
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pub lfclk_source: LfclkSource,
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}
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2021-04-14 09:25:10 +02:00
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pub fn generate(args: &Args) -> TokenStream {
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2021-03-29 02:47:10 +02:00
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let hfclk_source = format_ident!("{}", format!("{:?}", args.hfclk_source));
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let lfclk_source = format_ident!("{}", format!("{:?}", args.lfclk_source));
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2021-04-14 09:25:10 +02:00
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let embassy_path = args.embassy_prefix.append("embassy").path();
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let embassy_nrf_path = args.embassy_prefix.append("embassy_nrf").path();
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2021-03-29 02:47:10 +02:00
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quote!(
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2021-04-14 09:25:10 +02:00
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use #embassy_nrf_path::{interrupt, peripherals, rtc};
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2021-03-29 02:47:10 +02:00
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2021-04-14 09:25:10 +02:00
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let mut config = #embassy_nrf_path::system::Config::default();
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config.hfclk_source = #embassy_nrf_path::system::HfclkSource::#hfclk_source;
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config.lfclk_source = #embassy_nrf_path::system::LfclkSource::#lfclk_source;
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unsafe { #embassy_nrf_path::system::configure(config) };
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2021-03-29 02:47:10 +02:00
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2021-04-14 09:25:10 +02:00
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let mut rtc = rtc::RTC::new(unsafe { <peripherals::RTC1 as #embassy_path::util::Steal>::steal() }, interrupt::take!(RTC1));
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2021-03-29 02:47:10 +02:00
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let rtc = unsafe { make_static(&mut rtc) };
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rtc.start();
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let mut alarm = rtc.alarm0();
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2021-04-14 09:25:10 +02:00
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unsafe { #embassy_path::time::set_clock(rtc) };
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2021-03-29 02:47:10 +02:00
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let alarm = unsafe { make_static(&mut alarm) };
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2021-03-29 04:11:32 +02:00
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executor.set_alarm(alarm);
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2021-03-29 02:47:10 +02:00
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)
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}
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