From 55a5e9b3a51b537b7de80221d501be423af43303 Mon Sep 17 00:00:00 2001 From: Henrik Berg Date: Thu, 22 Jun 2023 22:37:24 +0200 Subject: RP: Add RTC example to rp2040. --- examples/rp/src/bin/rtc.rs | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 examples/rp/src/bin/rtc.rs (limited to 'examples') diff --git a/examples/rp/src/bin/rtc.rs b/examples/rp/src/bin/rtc.rs new file mode 100644 index 000000000..a49c8f627 --- /dev/null +++ b/examples/rp/src/bin/rtc.rs @@ -0,0 +1,33 @@ +#![no_std] +#![no_main] +#![feature(type_alias_impl_trait)] + +use defmt::*; +use embassy_executor::Spawner; +use embassy_rp::rtc::{DateTime, DayOfWeek, RealTimeClock}; +use embassy_time::{Duration, Timer}; +use {defmt_rtt as _, panic_probe as _}; + +#[embassy_executor::main] +async fn main(_spawner: Spawner) { + let p = embassy_rp::init(Default::default()); + info!("Hello World!"); + + let now = DateTime { + year: 2020, + month: 5, + day: 15, + day_of_week: DayOfWeek::Monday, + hour: 10, + minute: 30, + second: 50, + }; + + let rtc_result = RealTimeClock::new(p.RTC, now); + if let Ok(rtc) = rtc_result { + // In reality the delay would be much longer + Timer::after(Duration::from_millis(20000)).await; + + let _then: DateTime = rtc.now().unwrap(); + } +} -- cgit From a93714327eb85b02c7c4a419f2a76df579258975 Mon Sep 17 00:00:00 2001 From: Henrik Berg Date: Tue, 11 Jul 2023 18:41:45 +0200 Subject: RP: Rename Rtc to match STM32 impl. Remove setting RTC in new(). --- examples/rp/src/bin/rtc.rs | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) (limited to 'examples') diff --git a/examples/rp/src/bin/rtc.rs b/examples/rp/src/bin/rtc.rs index a49c8f627..6300950d4 100644 --- a/examples/rp/src/bin/rtc.rs +++ b/examples/rp/src/bin/rtc.rs @@ -4,7 +4,7 @@ use defmt::*; use embassy_executor::Spawner; -use embassy_rp::rtc::{DateTime, DayOfWeek, RealTimeClock}; +use embassy_rp::rtc::{DateTime, DayOfWeek, Rtc}; use embassy_time::{Duration, Timer}; use {defmt_rtt as _, panic_probe as _}; @@ -23,11 +23,17 @@ async fn main(_spawner: Spawner) { second: 50, }; - let rtc_result = RealTimeClock::new(p.RTC, now); - if let Ok(rtc) = rtc_result { + let mut rtc = Rtc::new(p.RTC); + if rtc.set_datetime(now).is_ok() { // In reality the delay would be much longer Timer::after(Duration::from_millis(20000)).await; - let _then: DateTime = rtc.now().unwrap(); + if let Ok(dt) = rtc.now() { + info!( + "Now: {}-{}-{} {}:{}:{}", + dt.year, dt.month, dt.day, dt.hour, dt.minute, dt.second, + ); + } } + info!("Done."); } -- cgit From 466a391b52836f79fafad5780ad2eb0a07d82513 Mon Sep 17 00:00:00 2001 From: Henrik Berg Date: Wed, 12 Jul 2023 14:13:19 +0200 Subject: RP: Add save/restore to Rtc. Example use. --- examples/rp/src/bin/rtc.rs | 55 ++++++++++++++++++++++++++++------------------ 1 file changed, 34 insertions(+), 21 deletions(-) (limited to 'examples') diff --git a/examples/rp/src/bin/rtc.rs b/examples/rp/src/bin/rtc.rs index 6300950d4..2ddde3257 100644 --- a/examples/rp/src/bin/rtc.rs +++ b/examples/rp/src/bin/rtc.rs @@ -4,6 +4,7 @@ use defmt::*; use embassy_executor::Spawner; +use embassy_rp::pac::rtc::regs::{Rtc0, Rtc1}; use embassy_rp::rtc::{DateTime, DayOfWeek, Rtc}; use embassy_time::{Duration, Timer}; use {defmt_rtt as _, panic_probe as _}; @@ -11,29 +12,41 @@ use {defmt_rtt as _, panic_probe as _}; #[embassy_executor::main] async fn main(_spawner: Spawner) { let p = embassy_rp::init(Default::default()); - info!("Hello World!"); - - let now = DateTime { - year: 2020, - month: 5, - day: 15, - day_of_week: DayOfWeek::Monday, - hour: 10, - minute: 30, - second: 50, - }; + info!("Wait for 20s"); + let mut watchdog = embassy_rp::watchdog::Watchdog::new(p.WATCHDOG); let mut rtc = Rtc::new(p.RTC); - if rtc.set_datetime(now).is_ok() { - // In reality the delay would be much longer - Timer::after(Duration::from_millis(20000)).await; - if let Ok(dt) = rtc.now() { - info!( - "Now: {}-{}-{} {}:{}:{}", - dt.year, dt.month, dt.day, dt.hour, dt.minute, dt.second, - ); - } + let rtc0 = Rtc0(watchdog.get_scratch0()); + let rtc1 = Rtc1(watchdog.get_scratch1()); + if rtc1.year() >= 2020 { + rtc.restore(rtc1, rtc0); + } else { + let now = DateTime { + year: 2020, + month: 5, + day: 15, + day_of_week: DayOfWeek::Monday, + hour: 10, + minute: 30, + second: 50, + }; + rtc.set_datetime(now).unwrap(); } - info!("Done."); + + Timer::after(Duration::from_millis(20000)).await; + + if let Ok(dt) = rtc.now() { + info!( + "Now: {}-{:02}-{:02} {}:{:02}:{:02}", + dt.year, dt.month, dt.day, dt.hour, dt.minute, dt.second, + ); + let (rtc1, rtc0) = rtc.save(); + watchdog.set_scratch0(rtc0.0); + watchdog.set_scratch1(rtc1.0); + } + + info!("Reboot."); + Timer::after(Duration::from_millis(200)).await; + cortex_m::peripheral::SCB::sys_reset(); } -- cgit From 6d402fe3932ac04ff939379e6520322476f683dc Mon Sep 17 00:00:00 2001 From: Henrik Berg Date: Wed, 12 Jul 2023 15:16:56 +0200 Subject: RP: Don't reset RTC in Clock::init. Updated example. --- examples/rp/src/bin/rtc.rs | 26 +++++++++----------------- 1 file changed, 9 insertions(+), 17 deletions(-) (limited to 'examples') diff --git a/examples/rp/src/bin/rtc.rs b/examples/rp/src/bin/rtc.rs index 2ddde3257..d569f598f 100644 --- a/examples/rp/src/bin/rtc.rs +++ b/examples/rp/src/bin/rtc.rs @@ -4,7 +4,6 @@ use defmt::*; use embassy_executor::Spawner; -use embassy_rp::pac::rtc::regs::{Rtc0, Rtc1}; use embassy_rp::rtc::{DateTime, DayOfWeek, Rtc}; use embassy_time::{Duration, Timer}; use {defmt_rtt as _, panic_probe as _}; @@ -14,22 +13,18 @@ async fn main(_spawner: Spawner) { let p = embassy_rp::init(Default::default()); info!("Wait for 20s"); - let mut watchdog = embassy_rp::watchdog::Watchdog::new(p.WATCHDOG); let mut rtc = Rtc::new(p.RTC); - let rtc0 = Rtc0(watchdog.get_scratch0()); - let rtc1 = Rtc1(watchdog.get_scratch1()); - if rtc1.year() >= 2020 { - rtc.restore(rtc1, rtc0); - } else { + if !rtc.is_running() { + info!("Start RTC"); let now = DateTime { - year: 2020, - month: 5, - day: 15, - day_of_week: DayOfWeek::Monday, - hour: 10, - minute: 30, - second: 50, + year: 2000, + month: 1, + day: 1, + day_of_week: DayOfWeek::Saturday, + hour: 0, + minute: 0, + second: 0, }; rtc.set_datetime(now).unwrap(); } @@ -41,9 +36,6 @@ async fn main(_spawner: Spawner) { "Now: {}-{:02}-{:02} {}:{:02}:{:02}", dt.year, dt.month, dt.day, dt.hour, dt.minute, dt.second, ); - let (rtc1, rtc0) = rtc.save(); - watchdog.set_scratch0(rtc0.0); - watchdog.set_scratch1(rtc1.0); } info!("Reboot."); -- cgit