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/*****************************************************************************
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2023 Maxim Devaev <[email protected]> #
# #
# 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 "ph_com.h"
#include "pico/stdlib.h"
#include "hardware/gpio.h"
#include "ph_types.h"
#include "ph_outputs.h"
#include "ph_com_bridge.h"
#include "ph_com_spi.h"
#include "ph_com_uart.h"
#define _USE_SPI_PIN 22
static bool _use_spi = true;
#define _COM(x_func, ...) { \
if (ph_g_is_bridge) { \
ph_com_bridge_##x_func(__VA_ARGS__); \
} else if (_use_spi) { \
ph_com_spi_##x_func(__VA_ARGS__); \
} else { \
ph_com_uart_##x_func(__VA_ARGS__); \
} \
}
void ph_com_init(void (*data_cb)(const u8 *), void (*timeout_cb)(void)) {
gpio_init(_USE_SPI_PIN);
gpio_set_dir(_USE_SPI_PIN, GPIO_IN);
gpio_pull_up(_USE_SPI_PIN);
sleep_ms(10); // Нужен небольшой слип для активации pull-up
_use_spi = gpio_get(_USE_SPI_PIN);
_COM(init, data_cb, timeout_cb);
}
void ph_com_task(void) {
_COM(task);
}
void ph_com_write(const u8 *data) {
_COM(write, data);
}
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