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Diffstat (limited to 'hid/pico/src/ph_debug.c')
-rw-r--r--hid/pico/src/ph_debug.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/hid/pico/src/ph_debug.c b/hid/pico/src/ph_debug.c
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+++ b/hid/pico/src/ph_debug.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 "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_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) {
+ gpio_put(_ACT_PIN, flag);
+ flag = !flag;
+ next_ts = now_ts + (delay_ms * 1000);
+ }
+}