probe_rs::architecture::arm::ap

Function access_port_is_valid

Source 
pub fn access_port_is_valid<AP>(
    debug_port: &mut AP,
    access_port: &FullyQualifiedApAddress,
) -> Option<IDR>
where
    AP: DapAccess,
Expand description

Determine if an AP exists with the given AP number.

The test is performed by reading the IDR register, and checking if the register is non-zero.

Can fail silently under the hood testing an ap that doesn’t exist and would require cleanup.