stm32/rcc: refactor and unify f4 into f7.

This commit is contained in:
Dario Nieuwenhuis
2023-10-18 04:31:53 +02:00
parent 67010d123c
commit f20f170b1f
10 changed files with 168 additions and 425 deletions

View File

@ -4,7 +4,7 @@
use defmt::{panic, *};
use embassy_executor::Spawner;
use embassy_stm32::time::mhz;
use embassy_stm32::time::Hertz;
use embassy_stm32::usb_otg::{Driver, Instance};
use embassy_stm32::{bind_interrupts, peripherals, usb_otg, Config};
use embassy_usb::class::cdc_acm::{CdcAcmClass, State};
@ -22,9 +22,25 @@ async fn main(_spawner: Spawner) {
info!("Hello World!");
let mut config = Config::default();
config.rcc.pll48 = true;
config.rcc.sys_ck = Some(mhz(48));
{
use embassy_stm32::rcc::*;
config.rcc.hse = Some(Hse {
freq: Hertz(8_000_000),
mode: HseMode::Bypass,
});
config.rcc.pll_src = PllSource::HSE;
config.rcc.pll = Some(Pll {
prediv: PllPreDiv::DIV4,
mul: PllMul::MUL168,
divp: Some(Pllp::DIV2), // 8mhz / 4 * 168 / 2 = 168Mhz.
divq: Some(Pllq::DIV7), // 8mhz / 4 * 168 / 7 = 48Mhz.
divr: None,
});
config.rcc.ahb_pre = AHBPrescaler::DIV1;
config.rcc.apb1_pre = APBPrescaler::DIV4;
config.rcc.apb2_pre = APBPrescaler::DIV2;
config.rcc.sys = Sysclk::PLL1_P;
}
let p = embassy_stm32::init(config);
// Create the driver, from the HAL.