forked from M-Labs/humpback-dds
96 lines
2.4 KiB
Rust
96 lines
2.4 KiB
Rust
// Enables ITM
|
|
pub unsafe fn enable_itm(
|
|
dbgmcu: &stm32h7xx_hal::stm32::DBGMCU,
|
|
dcb: &mut cortex_m::peripheral::DCB,
|
|
itm: &mut cortex_m::peripheral::ITM
|
|
) {
|
|
// ARMv7-M DEMCR: Set TRCENA. Enables DWT and ITM units
|
|
//unsafe { *(0xE000_EDFC as *mut u32) |= 1 << 24 };
|
|
dcb.enable_trace();
|
|
|
|
// Ensure debug blocks are clocked before interacting with them
|
|
dbgmcu.cr.modify(|_, w| {
|
|
w.d1dbgcken()
|
|
.set_bit()
|
|
.d3dbgcken()
|
|
.set_bit()
|
|
.traceclken()
|
|
.set_bit()
|
|
.dbgsleep_d1()
|
|
.set_bit()
|
|
});
|
|
|
|
// SWO: Unlock
|
|
*(0x5c00_3fb0 as *mut u32) = 0xC5ACCE55;
|
|
// SWTF: Unlock
|
|
*(0x5c00_4fb0 as *mut u32) = 0xC5ACCE55;
|
|
|
|
// SWO CODR Register: Set SWO speed
|
|
*(0x5c00_3010 as *mut _) = 200;
|
|
|
|
// SWO SPPR Register:
|
|
// 1 = Manchester
|
|
// 2 = NRZ
|
|
*(0x5c00_30f0 as *mut _) = 2;
|
|
|
|
// SWTF Trace Funnel: Enable for CM7
|
|
*(0x5c00_4000 as *mut u32) |= 1;
|
|
|
|
// ITM: Unlock
|
|
itm.lar.write(0xC5ACCE55);
|
|
// ITM Trace Enable Register: Enable lower 8 stimulus ports
|
|
itm.ter[0].write(1);
|
|
// ITM Trace Control Register: Enable ITM
|
|
itm.tcr.write(
|
|
(0b000001 << 16) | // TraceBusID
|
|
(1 << 3) | // enable SWO output
|
|
(1 << 0), // enable the ITM
|
|
);
|
|
}
|
|
|
|
// use panic_itm as _;
|
|
|
|
use lazy_static::lazy_static;
|
|
use log::LevelFilter;
|
|
|
|
pub use cortex_m_log::log::Logger;
|
|
|
|
use cortex_m_log::{
|
|
destination::Itm as ItmDest,
|
|
printer::itm::InterruptSync,
|
|
modes::InterruptFree,
|
|
printer::itm::ItmSync
|
|
};
|
|
|
|
lazy_static! {
|
|
static ref LOGGER: Logger<ItmSync<InterruptFree>> = Logger {
|
|
level: LevelFilter::Trace,
|
|
inner: unsafe {
|
|
InterruptSync::new(
|
|
ItmDest::new(cortex_m::Peripherals::steal().ITM)
|
|
)
|
|
},
|
|
};
|
|
}
|
|
|
|
pub fn init() {
|
|
cortex_m_log::log::init(&LOGGER).unwrap();
|
|
}
|
|
|
|
// use panic_semihosting as _;
|
|
|
|
use cortex_m_log::printer::semihosting;
|
|
use cortex_m_log::printer::semihosting::Semihosting;
|
|
use cortex_m_log::modes::InterruptOk;
|
|
use cortex_m_semihosting::hio::HStdout;
|
|
|
|
lazy_static! {
|
|
static ref HLOGGER: Logger<Semihosting<InterruptOk, HStdout>> = Logger {
|
|
level: LevelFilter::Trace,
|
|
inner: semihosting::InterruptOk::<_>::stdout().expect("Get Semihosting stdout"),
|
|
};
|
|
}
|
|
|
|
pub fn semihosting_init() {
|
|
cortex_m_log::log::init(&HLOGGER).unwrap();
|
|
} |