cortex-m 0.7.7

Low level access to Cortex-M processors
Documentation 
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#[test]
fn cpuid() {
    let cpuid = unsafe { &*crate::peripheral::CPUID::PTR };

    assert_eq!(address(&cpuid.base), 0xE000_ED00);
    assert_eq!(address(&cpuid.pfr), 0xE000_ED40);
    assert_eq!(address(&cpuid.dfr), 0xE000_ED48);
    assert_eq!(address(&cpuid.afr), 0xE000_ED4C);
    assert_eq!(address(&cpuid.mmfr), 0xE000_ED50);
    assert_eq!(address(&cpuid.isar), 0xE000_ED60);
    assert_eq!(address(&cpuid.clidr), 0xE000_ED78);
    assert_eq!(address(&cpuid.ctr), 0xE000_ED7C);
    assert_eq!(address(&cpuid.ccsidr), 0xE000_ED80);
    assert_eq!(address(&cpuid.csselr), 0xE000_ED84);
}

#[test]
fn dcb() {
    let dcb = unsafe { &*crate::peripheral::DCB::PTR };

    assert_eq!(address(&dcb.dhcsr), 0xE000_EDF0);
    assert_eq!(address(&dcb.dcrsr), 0xE000_EDF4);
    assert_eq!(address(&dcb.dcrdr), 0xE000_EDF8);
    assert_eq!(address(&dcb.demcr), 0xE000_EDFC);
}

#[test]
fn dwt() {
    let dwt = unsafe { &*crate::peripheral::DWT::PTR };

    assert_eq!(address(&dwt.ctrl), 0xE000_1000);
    #[cfg(not(armv6m))]
    assert_eq!(address(&dwt.cyccnt), 0xE000_1004);
    #[cfg(not(armv6m))]
    assert_eq!(address(&dwt.cpicnt), 0xE000_1008);
    #[cfg(not(armv6m))]
    assert_eq!(address(&dwt.exccnt), 0xE000_100C);
    #[cfg(not(armv6m))]
    assert_eq!(address(&dwt.sleepcnt), 0xE000_1010);
    #[cfg(not(armv6m))]
    assert_eq!(address(&dwt.lsucnt), 0xE000_1014);
    #[cfg(not(armv6m))]
    assert_eq!(address(&dwt.foldcnt), 0xE000_1018);
    assert_eq!(address(&dwt.pcsr), 0xE000_101C);
    assert_eq!(address(&dwt.c[0].comp), 0xE000_1020);
    assert_eq!(address(&dwt.c[0].mask), 0xE000_1024);
    assert_eq!(address(&dwt.c[0].function), 0xE000_1028);
    assert_eq!(address(&dwt.c[1].comp), 0xE000_1030);
    assert_eq!(address(&dwt.c[1].mask), 0xE000_1034);
    assert_eq!(address(&dwt.c[1].function), 0xE000_1038);
    #[cfg(not(armv6m))]
    assert_eq!(address(&dwt.lar), 0xE000_1FB0);
    #[cfg(not(armv6m))]
    assert_eq!(address(&dwt.lsr), 0xE000_1FB4);
}

#[test]
fn fpb() {
    let fpb = unsafe { &*crate::peripheral::FPB::PTR };

    assert_eq!(address(&fpb.ctrl), 0xE000_2000);
    assert_eq!(address(&fpb.remap), 0xE000_2004);
    assert_eq!(address(&fpb.comp), 0xE000_2008);
    assert_eq!(address(&fpb.comp[1]), 0xE000_200C);
    assert_eq!(address(&fpb.lar), 0xE000_2FB0);
    assert_eq!(address(&fpb.lsr), 0xE000_2FB4);
}

#[test]
fn fpu() {
    let fpu = unsafe { &*crate::peripheral::FPU::PTR };

    assert_eq!(address(&fpu.fpccr), 0xE000_EF34);
    assert_eq!(address(&fpu.fpcar), 0xE000_EF38);
    assert_eq!(address(&fpu.fpdscr), 0xE000_EF3C);
    assert_eq!(address(&fpu.mvfr), 0xE000_EF40);
    assert_eq!(address(&fpu.mvfr[1]), 0xE000_EF44);
    assert_eq!(address(&fpu.mvfr[2]), 0xE000_EF48);
}

#[test]
fn itm() {
    let itm = unsafe { &*crate::peripheral::ITM::PTR };

    assert_eq!(address(&itm.stim), 0xE000_0000);
    assert_eq!(address(&itm.ter), 0xE000_0E00);
    assert_eq!(address(&itm.tpr), 0xE000_0E40);
    assert_eq!(address(&itm.tcr), 0xE000_0E80);
    assert_eq!(address(&itm.lar), 0xE000_0FB0);
    assert_eq!(address(&itm.lsr), 0xE000_0FB4);
}

#[test]
fn mpu() {
    let mpu = unsafe { &*crate::peripheral::MPU::PTR };

    assert_eq!(address(&mpu._type), 0xE000ED90);
    assert_eq!(address(&mpu.ctrl), 0xE000ED94);
    assert_eq!(address(&mpu.rnr), 0xE000ED98);
    assert_eq!(address(&mpu.rbar), 0xE000ED9C);
    assert_eq!(address(&mpu.rasr), 0xE000EDA0);
    assert_eq!(address(&mpu.rbar_a1), 0xE000EDA4);
    assert_eq!(address(&mpu.rasr_a1), 0xE000EDA8);
    assert_eq!(address(&mpu.rbar_a2), 0xE000EDAC);
    assert_eq!(address(&mpu.rasr_a2), 0xE000EDB0);
    assert_eq!(address(&mpu.rbar_a3), 0xE000EDB4);
    assert_eq!(address(&mpu.rasr_a3), 0xE000EDB8);
}

#[test]
fn nvic() {
    let nvic = unsafe { &*crate::peripheral::NVIC::PTR };

    assert_eq!(address(&nvic.iser), 0xE000E100);
    assert_eq!(address(&nvic.icer), 0xE000E180);
    assert_eq!(address(&nvic.ispr), 0xE000E200);
    assert_eq!(address(&nvic.icpr), 0xE000E280);
    assert_eq!(address(&nvic.iabr), 0xE000E300);
    assert_eq!(address(&nvic.ipr), 0xE000E400);
    #[cfg(not(armv6m))]
    assert_eq!(address(&nvic.stir), 0xE000EF00);
}

#[test]
fn scb() {
    let scb = unsafe { &*crate::peripheral::SCB::PTR };

    assert_eq!(address(&scb.icsr), 0xE000_ED04);
    assert_eq!(address(&scb.vtor), 0xE000_ED08);
    assert_eq!(address(&scb.aircr), 0xE000_ED0C);
    assert_eq!(address(&scb.scr), 0xE000_ED10);
    assert_eq!(address(&scb.ccr), 0xE000_ED14);
    assert_eq!(address(&scb.shpr), 0xE000_ED18);
    assert_eq!(address(&scb.shcsr), 0xE000_ED24);
    assert_eq!(address(&scb.cfsr), 0xE000_ED28);
    assert_eq!(address(&scb.hfsr), 0xE000_ED2C);
    assert_eq!(address(&scb.dfsr), 0xE000_ED30);
    assert_eq!(address(&scb.mmfar), 0xE000_ED34);
    assert_eq!(address(&scb.bfar), 0xE000_ED38);
    assert_eq!(address(&scb.afsr), 0xE000_ED3C);
    assert_eq!(address(&scb.cpacr), 0xE000_ED88);
}

#[test]
fn syst() {
    let syst = unsafe { &*crate::peripheral::SYST::PTR };

    assert_eq!(address(&syst.csr), 0xE000_E010);
    assert_eq!(address(&syst.rvr), 0xE000_E014);
    assert_eq!(address(&syst.cvr), 0xE000_E018);
    assert_eq!(address(&syst.calib), 0xE000_E01C);
}

#[test]
fn tpiu() {
    let tpiu = unsafe { &*crate::peripheral::TPIU::PTR };

    assert_eq!(address(&tpiu.sspsr), 0xE004_0000);
    assert_eq!(address(&tpiu.cspsr), 0xE004_0004);
    assert_eq!(address(&tpiu.acpr), 0xE004_0010);
    assert_eq!(address(&tpiu.sppr), 0xE004_00F0);
    assert_eq!(address(&tpiu.ffcr), 0xE004_0304);
    assert_eq!(address(&tpiu.lar), 0xE004_0FB0);
    assert_eq!(address(&tpiu.lsr), 0xE004_0FB4);
    assert_eq!(address(&tpiu._type), 0xE004_0FC8);
}

fn address<T>(r: *const T) -> usize {
    r as usize
}