Provide access to the low-power timer for low-power sleeping (stop mode).
: lptim-init ( -- ) \ enable the low-power timer : lptim? ( -- ) \ dump the low-power timer registers
: stop100ms ( -- ) \ sleep in low-power for 100 ms : stop1s ( -- ) \ sleep in low-power for 1 sec : stop10s ( -- ) \ sleep in low-power for 10 sec
: wfe ( -- ) \ WFE Opcode, enters sleep mode
: lp-blink ( -- ) only-msi begin stop1s led iox! again ; lptim-init lp-blink