From: Luke Kenneth Casson Leighton Date: Sat, 13 Nov 2021 20:01:47 +0000 (+0000) Subject: hmmm experimenting with gpio directions X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=597763635ae499d7bcae335ae1ecd51e7c9b2f03;p=pinmux.git hmmm experimenting with gpio directions --- diff --git a/src/spec/testing_stage1.py b/src/spec/testing_stage1.py index 7de2ef2..c62a249 100644 --- a/src/spec/testing_stage1.py +++ b/src/spec/testing_stage1.py @@ -52,13 +52,16 @@ def create_resources(pinset): ios = [] for pin in pins: pname = "gpio"+pin[:-1] # strip "*" on end - ios.append(Subsignal(pname, Pins(pname, assert_width=1))) + ios.append(Subsignal(pname, Pins(pname, dir="io", + assert_width=1))) resources.append(Resource.family(periph, 0, default_name="gpio", ios=ios)) # add clock and reset - resources.append(Resource("clk", 0, Pins("sys_clk", dir="i"))) - resources.append(Resource("rst", 0, Pins("sys_rst", dir="i"))) + clk = Resource("clk", 0, Pins("sys_clk", dir="i")) + rst = Resource("rst", 0, Pins("sys_rst", dir="i")) + resources.append(clk) + resources.append(rst) return resources @@ -91,6 +94,8 @@ class Blinker(Elaboratable): # get the GPIO bank, mess about with some of the pins m.d.comb += gpio.gpio0.o.eq(1) m.d.comb += gpio.gpio1.o.eq(gpio.gpio2.i) + m.d.comb += gpio.gpio1.oe.eq(count[4]) + m.d.sync += count[0].eq(gpio.gpio1.i) # get the UART resource, mess with the output tx uart = platform.request("uart", 0) print (uart, uart.fields)