BSP and Device Driver Development Guide
The timer driver is primarily used by the RTEMS Timing Tests. This driver provides as accurate a benchmark timer as possible. It typically reports its time in microseconds, CPU cycles, or bus cycles. This information can be very useful for determining precisely what pieces of code require optimization and to measure the impact of specific minor changes.
The gen68340 BSP also uses the Timer Driver to support a high performance mode of the on-CPU UART.
BSP and Device Driver Development Guide
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