#![deny(warnings)]
#![no_main]
#![no_std]
#[macro_use]
mod utilities;
use cortex_m_rt::entry;
use stm32h7xx_hal::rcc::rec::{OctospiClkSel, OctospiClkSelGetter};
use stm32h7xx_hal::{
pac, prelude::*, xspi::OctospiMode, xspi::OctospiWord as XW,
};
use log::info;
#[entry]
fn main() -> ! {
utilities::logger::init();
let dp = pac::Peripherals::take().unwrap();
let pwr = dp.PWR.constrain();
let pwrcfg = example_power!(pwr).freeze();
let rcc = dp.RCC.constrain();
let ccdr = rcc.sys_ck(96.MHz()).freeze(pwrcfg, &dp.SYSCFG);
assert_eq!(ccdr.clocks.hclk().raw(), 48_000_000);
assert_eq!(
ccdr.peripheral.OCTOSPI1.get_kernel_clk_mux(),
OctospiClkSel::RccHclk3
);
let gpiog = dp.GPIOG.split(ccdr.peripheral.GPIOG);
let gpiod = dp.GPIOD.split(ccdr.peripheral.GPIOD);
let gpioe = dp.GPIOE.split(ccdr.peripheral.GPIOE);
let gpiof = dp.GPIOF.split(ccdr.peripheral.GPIOF);
let _ncs = gpiog.pg6.into_alternate::<10>();
let _clk = gpiof.pf10.into_alternate::<9>();
let _io0 = gpiod.pd11.into_alternate::<9>();
let _io1 = gpiod.pd12.into_alternate::<9>();
let _io2 = gpioe.pe2.into_alternate::<9>();
let _io3 = gpiod.pd13.into_alternate::<9>();
let _io4 = gpiod.pd4.into_alternate::<10>();
let _io5 = gpiod.pd5.into_alternate::<10>();
let _io6 = gpiog.pg9.into_alternate::<9>();
let _io7 = gpiod.pd7.into_alternate::<10>();
info!("");
info!("stm32h7xx-hal example - OCTOSPI");
info!("");
let mut octospi = dp.OCTOSPI1.octospi_unchecked(
12.MHz(),
&ccdr.clocks,
ccdr.peripheral.OCTOSPI1,
);
octospi.configure_mode(OctospiMode::OneBit).unwrap();
let mut read: [u8; 3] = [0; 3];
octospi.read(0x9F, &mut read).unwrap();
info!("Read with instruction 0x9F : {:x?}", read);
octospi
.write_extended(XW::U8(0x06), XW::None, XW::None, &[])
.unwrap();
octospi
.write_extended(XW::U8(0x72), XW::U32(0), XW::None, &[1])
.unwrap();
octospi.configure_mode(OctospiMode::EightBit).unwrap();
let mut read: [u8; 3] = [0; 3];
octospi
.read_extended(XW::U16(0x9F60), XW::U32(0), XW::None, 4, &mut read)
.unwrap();
info!("Read with instruction 0x9F60 : {:x?}", read);
loop {
cortex_m::asm::nop()
}
}