One-KVM/hid/pico/src/ph_debug.c
2023-08-04 04:19:50 +03:00

58 lines
2.2 KiB
C

/*****************************************************************************
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2023 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#include "pico/stdlib.h"
#include "hardware/gpio.h"
#include "ph_types.h"
#define _UART uart0
#define _SPEED 3000000
#define _RX_PIN -1 // 1 - No stdin
#define _TX_PIN 0
#define _ACT_PIN 25
void ph_debug_init(bool enable_uart) {
if (enable_uart) {
stdio_uart_init_full(_UART, _SPEED, _TX_PIN, _RX_PIN);
}
gpio_init(_ACT_PIN);
gpio_set_dir(_ACT_PIN, GPIO_OUT);
}
void ph_debug_act(bool flag) {
gpio_put(_ACT_PIN, flag);
}
void ph_debug_act_pulse(u64 delay_ms) {
static bool flag = false;
static u64 next_ts = 0;
const u64 now_ts = time_us_64();
if (now_ts >= next_ts) {
ph_debug_act(flag);
flag = !flag;
next_ts = now_ts + (delay_ms * 1000);
}
}