Change Note 2024-04-04

Astrobe v9.1 Required

• The free Astrobe for Cortex-M0 Personal Edition v9.1 has been available since mid February. It is the new baseline. All workarounds for former releases have been removed. Any workarounds for v9.1 are still in effect.
  • Clocks.mod, MultiCore.mod, Messages.mod

Module MemoryExt

• Access to the RP2040’s two 4k SRAM blocks above the 256k block as specified by module Config and the corresponding Astrobe parameters.
• Provides a feature to copy a procedure for execution from RAM in lieu of Flash (see example program).

Module MCU2

• Extended with register addresses and other constants for access to XIP and BUSCTRL.
• MCU2.mod

Module Timers

• Extended for alarm interrupt handling
• Removed procedure SetAlarm for now.
• Timers.mod

Module Messages

• Changed implicit type casts via ARRAY n OF BYTE parameters to explicit ones for clarity.
• Messages.mod

New Example Program CodeLoading

• Explore the effects of running code from Flash, with and without cache, or from SRAM.
• Mostly relevant for interrupt handlers.
• CodeLoading.