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-rw-r--r--hid/pico/src/ph_com.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/hid/pico/src/ph_com.c b/hid/pico/src/ph_com.c
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+++ b/hid/pico/src/ph_com.c
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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_com_spi.h"
+#include "ph_com_uart.h"
+
+
+#define _USE_SPI_PIN 22
+
+
+static bool _use_spi = true;
+
+
+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);
+
+ if (_use_spi) {
+ ph_com_spi_init(data_cb, timeout_cb);
+ } else {
+ ph_com_uart_init(data_cb, timeout_cb);
+ }
+}
+
+void ph_com_task(void) {
+ if (_use_spi) {
+ ph_com_spi_task();
+ } else {
+ ph_com_uart_task();
+ }
+}
+
+void ph_com_write(const u8 *data) {
+ if (_use_spi) {
+ ph_com_spi_write(data);
+ } else {
+ ph_com_uart_write(data);
+ }
+}