From 83b4c0127337c55c6a445abee6ab5eac4c993f9c Mon Sep 17 00:00:00 2001 From: Dario Nieuwenhuis Date: Tue, 19 Sep 2023 04:22:57 +0200 Subject: stm32/rcc: unify h5 and h7. --- examples/stm32h7/src/bin/low_level_timer_api.rs | 30 ++++++++++++++++++------- 1 file changed, 22 insertions(+), 8 deletions(-) (limited to 'examples/stm32h7/src/bin/low_level_timer_api.rs') diff --git a/examples/stm32h7/src/bin/low_level_timer_api.rs b/examples/stm32h7/src/bin/low_level_timer_api.rs index 45b0872b5..a1e955c39 100644 --- a/examples/stm32h7/src/bin/low_level_timer_api.rs +++ b/examples/stm32h7/src/bin/low_level_timer_api.rs @@ -6,7 +6,7 @@ use defmt::*; use embassy_executor::Spawner; use embassy_stm32::gpio::low_level::AFType; use embassy_stm32::gpio::Speed; -use embassy_stm32::time::{khz, mhz, Hertz}; +use embassy_stm32::time::{khz, Hertz}; use embassy_stm32::timer::*; use embassy_stm32::{into_ref, Config, Peripheral, PeripheralRef}; use embassy_time::{Duration, Timer}; @@ -15,13 +15,27 @@ use {defmt_rtt as _, panic_probe as _}; #[embassy_executor::main] async fn main(_spawner: Spawner) { let mut config = Config::default(); - config.rcc.sys_ck = Some(mhz(400)); - config.rcc.hclk = Some(mhz(400)); - config.rcc.pll1.q_ck = Some(mhz(100)); - config.rcc.pclk1 = Some(mhz(100)); - config.rcc.pclk2 = Some(mhz(100)); - config.rcc.pclk3 = Some(mhz(100)); - config.rcc.pclk4 = Some(mhz(100)); + { + use embassy_stm32::rcc::*; + config.rcc.hsi = Some(Hsi::Mhz64); + config.rcc.csi = true; + config.rcc.hsi48 = true; // needed for RNG + config.rcc.pll_src = PllSource::Hsi; + config.rcc.pll1 = Some(Pll { + prediv: 4, + mul: 50, + divp: Some(2), + divq: Some(8), // 100 Mhz + divr: None, + }); + config.rcc.sys = Sysclk::Pll1P; // 400 Mhz + config.rcc.ahb_pre = AHBPrescaler::DIV2; // 200 Mhz + config.rcc.apb1_pre = APBPrescaler::DIV2; // 100 Mhz + config.rcc.apb2_pre = APBPrescaler::DIV2; // 100 Mhz + config.rcc.apb3_pre = APBPrescaler::DIV2; // 100 Mhz + config.rcc.apb4_pre = APBPrescaler::DIV2; // 100 Mhz + config.rcc.voltage_scale = VoltageScale::Scale1; + } let p = embassy_stm32::init(config); info!("Hello World!"); -- cgit