From 95234cddbac6f21fce0f5df510d49816f343b87d Mon Sep 17 00:00:00 2001 From: Dario Nieuwenhuis Date: Mon, 26 Feb 2024 03:28:27 +0100 Subject: stm32: autogenerate mux config for all chips. --- examples/stm32f334/src/bin/pwm.rs | 2 +- examples/stm32g0/src/bin/hf_timer.rs | 44 ++++++++++++++---------------- examples/stm32g0/src/bin/usb_serial.rs | 10 +++---- examples/stm32g4/src/bin/adc.rs | 29 ++++++++++---------- examples/stm32g4/src/bin/can.rs | 21 ++++++++++++-- examples/stm32g4/src/bin/pll.rs | 1 + examples/stm32g4/src/bin/usb_serial.rs | 50 ++++++++++++---------------------- examples/stm32h5/src/bin/can.rs | 2 +- examples/stm32h5/src/bin/usb_serial.rs | 7 ++--- examples/stm32h7/src/bin/adc.rs | 2 +- examples/stm32h7/src/bin/can.rs | 2 +- examples/stm32h7/src/bin/dac.rs | 2 +- examples/stm32h7/src/bin/dac_dma.rs | 2 +- examples/stm32l4/src/bin/adc.rs | 14 +++++----- 14 files changed, 93 insertions(+), 95 deletions(-) (limited to 'examples') diff --git a/examples/stm32f334/src/bin/pwm.rs b/examples/stm32f334/src/bin/pwm.rs index 7c6d6cd71..e6d1a6c02 100644 --- a/examples/stm32f334/src/bin/pwm.rs +++ b/examples/stm32f334/src/bin/pwm.rs @@ -28,7 +28,7 @@ async fn main(_spawner: Spawner) { config.rcc.apb1_pre = APBPrescaler::DIV2; config.rcc.apb2_pre = APBPrescaler::DIV1; - config.rcc.mux.hrtim1sw = Some(embassy_stm32::rcc::mux::Timsw::PLL1_P); + config.rcc.mux.hrtim1sw = embassy_stm32::rcc::mux::Timsw::PLL1_P; } let p = embassy_stm32::init(config); diff --git a/examples/stm32g0/src/bin/hf_timer.rs b/examples/stm32g0/src/bin/hf_timer.rs index 3f63d0dfd..647ff0419 100644 --- a/examples/stm32g0/src/bin/hf_timer.rs +++ b/examples/stm32g0/src/bin/hf_timer.rs @@ -4,37 +4,35 @@ use defmt::info; use embassy_executor::Spawner; use embassy_stm32::gpio::OutputType; -use embassy_stm32::pac::rcc::vals::Tim1sel; -use embassy_stm32::rcc::{Config as RccConfig, PllConfig, PllSource, Pllm, Plln, Pllq, Pllr, Sysclk}; use embassy_stm32::time::khz; use embassy_stm32::timer::complementary_pwm::{ComplementaryPwm, ComplementaryPwmPin}; use embassy_stm32::timer::simple_pwm::PwmPin; use embassy_stm32::timer::Channel; -use embassy_stm32::{pac, Config as PeripheralConfig}; +use embassy_stm32::Config as PeripheralConfig; use {defmt_rtt as _, panic_probe as _}; #[embassy_executor::main] async fn main(_spawner: Spawner) { - let mut rcc_config = RccConfig::default(); - rcc_config.sys = Sysclk::PLL(PllConfig { - source: PllSource::HSI, - m: Pllm::DIV1, - n: Plln::MUL16, - r: Pllr::DIV4, // CPU clock comes from PLLR (HSI (16MHz) / 1 * 16 / 4 = 64MHz) - q: Some(Pllq::DIV2), // TIM1 or TIM15 can be sourced from PLLQ (HSI (16MHz) / 1 * 16 / 2 = 128MHz) - p: None, - }); - - let mut peripheral_config = PeripheralConfig::default(); - peripheral_config.rcc = rcc_config; - - let p = embassy_stm32::init(peripheral_config); - - // configure TIM1 mux to select PLLQ as clock source - // https://www.st.com/resource/en/reference_manual/rm0444-stm32g0x1-advanced-armbased-32bit-mcus-stmicroelectronics.pdf - // RM0444 page 210 - // RCC - Peripherals Independent Clock Control Register - bit 22 -> 1 - pac::RCC.ccipr().modify(|w| w.set_tim1sel(Tim1sel::PLL1_Q)); + let mut config = PeripheralConfig::default(); + { + use embassy_stm32::rcc::*; + + config.rcc.sys = Sysclk::PLL(PllConfig { + source: PllSource::HSI, + m: Pllm::DIV1, + n: Plln::MUL16, + r: Pllr::DIV4, // CPU clock comes from PLLR (HSI (16MHz) / 1 * 16 / 4 = 64MHz) + q: Some(Pllq::DIV2), // TIM1 or TIM15 can be sourced from PLLQ (HSI (16MHz) / 1 * 16 / 2 = 128MHz) + p: None, + }); + + // configure TIM1 mux to select PLLQ as clock source + // https://www.st.com/resource/en/reference_manual/rm0444-stm32g0x1-advanced-armbased-32bit-mcus-stmicroelectronics.pdf + // RM0444 page 210 + // RCC - Peripherals Independent Clock Control Register - bit 22 -> 1 + config.rcc.mux.tim1sel = embassy_stm32::rcc::mux::Tim1sel::PLL1_Q; + } + let p = embassy_stm32::init(config); let ch1 = PwmPin::new_ch1(p.PA8, OutputType::PushPull); let ch1n = ComplementaryPwmPin::new_ch1(p.PA7, OutputType::PushPull); diff --git a/examples/stm32g0/src/bin/usb_serial.rs b/examples/stm32g0/src/bin/usb_serial.rs index f5aaa5624..8b9915626 100644 --- a/examples/stm32g0/src/bin/usb_serial.rs +++ b/examples/stm32g0/src/bin/usb_serial.rs @@ -4,7 +4,6 @@ use defmt::{panic, *}; use embassy_executor::Spawner; use embassy_futures::join::join; -use embassy_stm32::rcc::{Hsi48Config, UsbSrc}; use embassy_stm32::usb::{Driver, Instance}; use embassy_stm32::{bind_interrupts, peripherals, usb, Config}; use embassy_usb::class::cdc_acm::{CdcAcmClass, State}; @@ -19,10 +18,11 @@ bind_interrupts!(struct Irqs { #[embassy_executor::main] async fn main(_spawner: Spawner) { let mut config = Config::default(); - config.rcc.usb_src = Some(UsbSrc::Hsi48(Hsi48Config { - sync_from_usb: true, - ..Default::default() - })); + { + use embassy_stm32::rcc::*; + config.rcc.hsi48 = Some(Hsi48Config { sync_from_usb: true }); + config.rcc.mux.usbsel = mux::Usbsel::HSI48; + } let p = embassy_stm32::init(config); info!("Hello World!"); diff --git a/examples/stm32g4/src/bin/adc.rs b/examples/stm32g4/src/bin/adc.rs index 6c6de1ffe..f81335f93 100644 --- a/examples/stm32g4/src/bin/adc.rs +++ b/examples/stm32g4/src/bin/adc.rs @@ -4,7 +4,6 @@ use defmt::*; use embassy_executor::Spawner; use embassy_stm32::adc::{Adc, SampleTime}; -use embassy_stm32::rcc::{AdcClockSource, Pll, PllMul, PllPreDiv, PllRDiv, Pllsrc, Sysclk}; use embassy_stm32::Config; use embassy_time::{Delay, Timer}; use {defmt_rtt as _, panic_probe as _}; @@ -12,20 +11,20 @@ use {defmt_rtt as _, panic_probe as _}; #[embassy_executor::main] async fn main(_spawner: Spawner) { let mut config = Config::default(); - - config.rcc.pll = Some(Pll { - source: Pllsrc::HSI, - prediv: PllPreDiv::DIV4, - mul: PllMul::MUL85, - divp: None, - divq: None, - // Main system clock at 170 MHz - divr: Some(PllRDiv::DIV2), - }); - - config.rcc.adc12_clock_source = AdcClockSource::SYS; - config.rcc.sys = Sysclk::PLL1_R; - + { + use embassy_stm32::rcc::*; + config.rcc.pll = Some(Pll { + source: Pllsrc::HSI, + prediv: PllPreDiv::DIV4, + mul: PllMul::MUL85, + divp: None, + divq: None, + // Main system clock at 170 MHz + divr: Some(PllRDiv::DIV2), + }); + config.rcc.mux.adc12sel = mux::Adcsel::SYS; + config.rcc.sys = Sysclk::PLL1_R; + } let mut p = embassy_stm32::init(config); info!("Hello World!"); diff --git a/examples/stm32g4/src/bin/can.rs b/examples/stm32g4/src/bin/can.rs index a41f765c1..7551b2a55 100644 --- a/examples/stm32g4/src/bin/can.rs +++ b/examples/stm32g4/src/bin/can.rs @@ -3,6 +3,7 @@ use defmt::*; use embassy_executor::Spawner; use embassy_stm32::peripherals::*; +use embassy_stm32::time::Hertz; use embassy_stm32::{bind_interrupts, can, Config}; use embassy_time::Timer; use static_cell::StaticCell; @@ -15,8 +16,24 @@ bind_interrupts!(struct Irqs { #[embassy_executor::main] async fn main(_spawner: Spawner) { - let config = Config::default(); - + let mut config = Config::default(); + { + use embassy_stm32::rcc::*; + config.rcc.hse = Some(Hse { + freq: Hertz(24_000_000), + mode: HseMode::Oscillator, + }); + config.rcc.pll = Some(Pll { + source: Pllsrc::HSE, + prediv: PllPreDiv::DIV6, + mul: PllMul::MUL85, + divp: None, + divq: Some(PllQDiv::DIV8), // 42.5 Mhz for fdcan. + divr: Some(PllRDiv::DIV2), // Main system clock at 170 MHz + }); + config.rcc.mux.fdcansel = mux::Fdcansel::PLL1_Q; + config.rcc.sys = Sysclk::PLL1_R; + } let peripherals = embassy_stm32::init(config); let mut can = can::FdcanConfigurator::new(peripherals.FDCAN1, peripherals.PA11, peripherals.PA12, Irqs); diff --git a/examples/stm32g4/src/bin/pll.rs b/examples/stm32g4/src/bin/pll.rs index 5274de79d..2609abfa2 100644 --- a/examples/stm32g4/src/bin/pll.rs +++ b/examples/stm32g4/src/bin/pll.rs @@ -12,6 +12,7 @@ use {defmt_rtt as _, panic_probe as _}; async fn main(_spawner: Spawner) { let mut config = Config::default(); + config.rcc.hsi = true; config.rcc.pll = Some(Pll { source: Pllsrc::HSI, prediv: PllPreDiv::DIV4, diff --git a/examples/stm32g4/src/bin/usb_serial.rs b/examples/stm32g4/src/bin/usb_serial.rs index 989fef5b0..90caaae14 100644 --- a/examples/stm32g4/src/bin/usb_serial.rs +++ b/examples/stm32g4/src/bin/usb_serial.rs @@ -3,9 +3,6 @@ use defmt::{panic, *}; use embassy_executor::Spawner; -use embassy_stm32::rcc::{ - Clk48Src, Hse, HseMode, Hsi48Config, Pll, PllMul, PllPreDiv, PllQDiv, PllRDiv, Pllsrc, Sysclk, -}; use embassy_stm32::time::Hertz; use embassy_stm32::usb::{self, Driver, Instance}; use embassy_stm32::{bind_interrupts, peripherals, Config}; @@ -22,38 +19,27 @@ bind_interrupts!(struct Irqs { #[embassy_executor::main] async fn main(_spawner: Spawner) { let mut config = Config::default(); - - // Change this to `false` to use the HSE clock source for the USB. This example assumes an 8MHz HSE. - const USE_HSI48: bool = true; - - let plldivq = if USE_HSI48 { None } else { Some(PllQDiv::DIV6) }; - - config.rcc.hse = Some(Hse { - freq: Hertz(8_000_000), - mode: HseMode::Oscillator, - }); - - config.rcc.pll = Some(Pll { - source: Pllsrc::HSE, - prediv: PllPreDiv::DIV2, - mul: PllMul::MUL72, - divp: None, - divq: plldivq, - // Main system clock at 144 MHz - divr: Some(PllRDiv::DIV2), - }); - - config.rcc.sys = Sysclk::PLL1_R; - config.rcc.boost = true; // BOOST! - - if USE_HSI48 { + { + use embassy_stm32::rcc::*; // Sets up the Clock Recovery System (CRS) to use the USB SOF to trim the HSI48 oscillator. config.rcc.hsi48 = Some(Hsi48Config { sync_from_usb: true }); - config.rcc.clk48_src = Clk48Src::HSI48; - } else { - config.rcc.clk48_src = Clk48Src::PLL1_Q; + config.rcc.hse = Some(Hse { + freq: Hertz(8_000_000), + mode: HseMode::Oscillator, + }); + config.rcc.pll = Some(Pll { + source: Pllsrc::HSE, + prediv: PllPreDiv::DIV2, + mul: PllMul::MUL72, + divp: None, + divq: Some(PllQDiv::DIV6), // 48mhz + divr: Some(PllRDiv::DIV2), // Main system clock at 144 MHz + }); + config.rcc.sys = Sysclk::PLL1_R; + config.rcc.boost = true; // BOOST! + config.rcc.mux.clk48sel = mux::Clk48sel::HSI48; + //config.rcc.mux.clk48sel = mux::Clk48sel::PLL1_Q; // uncomment to use PLL1_Q instead. } - let p = embassy_stm32::init(config); info!("Hello World!"); diff --git a/examples/stm32h5/src/bin/can.rs b/examples/stm32h5/src/bin/can.rs index e5ccfe4f7..643df27f9 100644 --- a/examples/stm32h5/src/bin/can.rs +++ b/examples/stm32h5/src/bin/can.rs @@ -20,7 +20,7 @@ async fn main(_spawner: Spawner) { freq: embassy_stm32::time::Hertz(25_000_000), mode: rcc::HseMode::Oscillator, }); - config.rcc.fdcan_clock_source = rcc::FdCanClockSource::HSE; + config.rcc.mux.fdcan12sel = rcc::mux::Fdcansel::HSE; let peripherals = embassy_stm32::init(config); diff --git a/examples/stm32h5/src/bin/usb_serial.rs b/examples/stm32h5/src/bin/usb_serial.rs index 208493d8c..83477c8fa 100644 --- a/examples/stm32h5/src/bin/usb_serial.rs +++ b/examples/stm32h5/src/bin/usb_serial.rs @@ -5,7 +5,7 @@ use defmt::{panic, *}; use embassy_executor::Spawner; use embassy_stm32::time::Hertz; use embassy_stm32::usb::{Driver, Instance}; -use embassy_stm32::{bind_interrupts, pac, peripherals, usb, Config}; +use embassy_stm32::{bind_interrupts, peripherals, usb, Config}; use embassy_usb::class::cdc_acm::{CdcAcmClass, State}; use embassy_usb::driver::EndpointError; use embassy_usb::Builder; @@ -41,15 +41,12 @@ async fn main(_spawner: Spawner) { config.rcc.apb3_pre = APBPrescaler::DIV4; config.rcc.sys = Sysclk::PLL1_P; config.rcc.voltage_scale = VoltageScale::Scale0; + config.rcc.mux.usbsel = mux::Usbsel::HSI48; } let p = embassy_stm32::init(config); info!("Hello World!"); - pac::RCC.ccipr4().write(|w| { - w.set_usbsel(pac::rcc::vals::Usbsel::HSI48); - }); - // Create the driver, from the HAL. let driver = Driver::new(p.USB, Irqs, p.PA12, p.PA11); diff --git a/examples/stm32h7/src/bin/adc.rs b/examples/stm32h7/src/bin/adc.rs index f0278239f..a5594d10c 100644 --- a/examples/stm32h7/src/bin/adc.rs +++ b/examples/stm32h7/src/bin/adc.rs @@ -38,7 +38,7 @@ async fn main(_spawner: Spawner) { config.rcc.apb3_pre = APBPrescaler::DIV2; // 100 Mhz config.rcc.apb4_pre = APBPrescaler::DIV2; // 100 Mhz config.rcc.voltage_scale = VoltageScale::Scale1; - config.rcc.adc_clock_source = AdcClockSource::PLL2_P; + config.rcc.mux.adcsel = mux::Adcsel::PLL2_P; } let mut p = embassy_stm32::init(config); diff --git a/examples/stm32h7/src/bin/can.rs b/examples/stm32h7/src/bin/can.rs index e5ccfe4f7..13a6a5051 100644 --- a/examples/stm32h7/src/bin/can.rs +++ b/examples/stm32h7/src/bin/can.rs @@ -20,7 +20,7 @@ async fn main(_spawner: Spawner) { freq: embassy_stm32::time::Hertz(25_000_000), mode: rcc::HseMode::Oscillator, }); - config.rcc.fdcan_clock_source = rcc::FdCanClockSource::HSE; + config.rcc.mux.fdcansel = rcc::mux::Fdcansel::HSE; let peripherals = embassy_stm32::init(config); diff --git a/examples/stm32h7/src/bin/dac.rs b/examples/stm32h7/src/bin/dac.rs index a9bf46de0..a6f969aba 100644 --- a/examples/stm32h7/src/bin/dac.rs +++ b/examples/stm32h7/src/bin/dac.rs @@ -40,7 +40,7 @@ fn main() -> ! { config.rcc.apb3_pre = APBPrescaler::DIV2; // 100 Mhz config.rcc.apb4_pre = APBPrescaler::DIV2; // 100 Mhz config.rcc.voltage_scale = VoltageScale::Scale1; - config.rcc.adc_clock_source = AdcClockSource::PLL2_P; + config.rcc.mux.adcsel = mux::Adcsel::PLL2_P; } let p = embassy_stm32::init(config); diff --git a/examples/stm32h7/src/bin/dac_dma.rs b/examples/stm32h7/src/bin/dac_dma.rs index d88bd838f..feec28993 100644 --- a/examples/stm32h7/src/bin/dac_dma.rs +++ b/examples/stm32h7/src/bin/dac_dma.rs @@ -42,7 +42,7 @@ async fn main(spawner: Spawner) { config.rcc.apb3_pre = APBPrescaler::DIV2; // 100 Mhz config.rcc.apb4_pre = APBPrescaler::DIV2; // 100 Mhz config.rcc.voltage_scale = VoltageScale::Scale1; - config.rcc.adc_clock_source = AdcClockSource::PLL2_P; + config.rcc.mux.adcsel = mux::Adcsel::PLL2_P; } // Initialize the board and obtain a Peripherals instance diff --git a/examples/stm32l4/src/bin/adc.rs b/examples/stm32l4/src/bin/adc.rs index 910944673..a9f4604aa 100644 --- a/examples/stm32l4/src/bin/adc.rs +++ b/examples/stm32l4/src/bin/adc.rs @@ -3,7 +3,7 @@ use defmt::*; use embassy_stm32::adc::{Adc, Resolution}; -use embassy_stm32::pac; +use embassy_stm32::Config; use embassy_time::Delay; use {defmt_rtt as _, panic_probe as _}; @@ -11,12 +11,12 @@ use {defmt_rtt as _, panic_probe as _}; fn main() -> ! { info!("Hello World!"); - pac::RCC.ccipr().modify(|w| { - w.set_adcsel(pac::rcc::vals::Adcsel::SYS); - }); - pac::RCC.ahb2enr().modify(|w| w.set_adcen(true)); - - let p = embassy_stm32::init(Default::default()); + let mut config = Config::default(); + { + use embassy_stm32::rcc::*; + config.rcc.mux.adcsel = mux::Adcsel::SYS; + } + let p = embassy_stm32::init(config); let mut adc = Adc::new(p.ADC1, &mut Delay); //adc.enable_vref(); -- cgit