en:pfw:spi_gd32vf_noforth_spi-loopback.f
(* SPI loopback test
Connect PA6 (MISO) and PA7 (MOSI) on the GD32VF103 board
The output is printed and increased by one until a key is pressed
*)
: COUNTER ( -- )
spi-on 0
begin
spi-i/o dup . 1+ 80 ms
key? until drop ;
\ End ;;;
en/pfw/spi_gd32vf_noforth_spi-loopback.f.txt · Last modified: 2023-09-04 18:20 by uho