From 50b19477232a62fee5de1b738a0c09ff20638108 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jan=20Hamal=20Dvo=C5=99=C3=A1k?= Date: Sat, 24 Feb 2024 11:08:55 +0100 Subject: [PATCH] Experiment with manual BPSK --- src/main.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/src/main.c b/src/main.c index b59b14e..56963dc 100644 --- a/src/main.c +++ b/src/main.c @@ -163,7 +163,7 @@ static void send_init(int out_pin) gpio_set_slew_rate(out_pin, GPIO_SLEW_RATE_SLOW); const uint16_t insn[] = { - pio_encode_out(pio_pins, 1), + pio_encode_out(pio_pins, 1) | pio_encode_sideset(1, 1), }; pio_program_t prog = { @@ -180,6 +180,8 @@ static void send_init(int out_pin) pio_add_program(pio1, &prog); pio_sm_config pc = pio_get_default_sm_config(); + sm_config_set_sideset(&pc, 1, false, true); + sm_config_set_sideset_pins(&pc, out_pin); sm_config_set_out_pins(&pc, out_pin, 1); sm_config_set_set_pins(&pc, out_pin, 1); sm_config_set_wrap(&pc, prog.origin, prog.origin + prog.length - 1); @@ -792,6 +794,10 @@ static void command(const char *cmd) if ('\r' == c) { break; + } else if (' ' == c) { + pio_sm_exec(pio1, 1, pio_encode_nop()); + pio_sm_exec(pio1, 1, pio_encode_nop()); + pio_sm_exec(pio1, 1, pio_encode_nop()); } }