From 751d36e7392b0b1637f17988cfc1ef0d7cd95753 Mon Sep 17 00:00:00 2001
From: Narr the Reg <juangerman-13@hotmail.com>
Date: Tue, 20 Dec 2022 19:10:42 -0600
Subject: input_common: Add support for joycon ring controller
---
.../helpers/joycon_protocol/ringcon.cpp | 132 +++++++++++++++++++++
1 file changed, 132 insertions(+)
create mode 100644 src/input_common/helpers/joycon_protocol/ringcon.cpp
(limited to 'src/input_common/helpers/joycon_protocol/ringcon.cpp')
diff --git a/src/input_common/helpers/joycon_protocol/ringcon.cpp b/src/input_common/helpers/joycon_protocol/ringcon.cpp
new file mode 100644
index 0000000000..2d137b85d3
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/ringcon.cpp
@@ -0,0 +1,132 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/logging/log.h"
+#include "input_common/helpers/joycon_protocol/ringcon.h"
+
+namespace InputCommon::Joycon {
+
+RingConProtocol::RingConProtocol(std::shared_ptr<JoyconHandle> handle)
+ : JoyconCommonProtocol(handle) {}
+
+DriverResult RingConProtocol::EnableRingCon() {
+ LOG_DEBUG(Input, "Enable Ringcon");
+ DriverResult result{DriverResult::Success};
+ SetBlocking();
+
+ if (result == DriverResult::Success) {
+ result = SetReportMode(ReportMode::STANDARD_FULL_60HZ);
+ }
+ if (result == DriverResult::Success) {
+ result = EnableMCU(true);
+ }
+ if (result == DriverResult::Success) {
+ const MCUConfig config{
+ .command = MCUCommand::ConfigureMCU,
+ .sub_command = MCUSubCommand::SetDeviceMode,
+ .mode = MCUMode::Standby,
+ .crc = {},
+ };
+ result = ConfigureMCU(config);
+ }
+
+ SetNonBlocking();
+ return result;
+}
+
+DriverResult RingConProtocol::DisableRingCon() {
+ LOG_DEBUG(Input, "Disable RingCon");
+ DriverResult result{DriverResult::Success};
+ SetBlocking();
+
+ if (result == DriverResult::Success) {
+ result = EnableMCU(false);
+ }
+
+ is_enabled = false;
+
+ SetNonBlocking();
+ return result;
+}
+
+DriverResult RingConProtocol::StartRingconPolling() {
+ LOG_DEBUG(Input, "Enable Ringcon");
+ bool is_connected = false;
+ DriverResult result{DriverResult::Success};
+ SetBlocking();
+
+ if (result == DriverResult::Success) {
+ result = WaitSetMCUMode(ReportMode::STANDARD_FULL_60HZ, MCUMode::Standby);
+ }
+ if (result == DriverResult::Success) {
+ result = IsRingConnected(is_connected);
+ }
+ if (result == DriverResult::Success && is_connected) {
+ LOG_INFO(Input, "Ringcon detected");
+ result = ConfigureRing();
+ }
+ if (result == DriverResult::Success) {
+ is_enabled = true;
+ }
+
+ SetNonBlocking();
+ return result;
+}
+
+DriverResult RingConProtocol::IsRingConnected(bool& is_connected) {
+ LOG_DEBUG(Input, "IsRingConnected");
+ constexpr std::size_t max_tries = 28;
+ std::vector<u8> output;
+ std::size_t tries = 0;
+ is_connected = false;
+
+ do {
+ std::vector<u8> empty_data(0);
+ const auto result = SendSubCommand(SubCommand::UNKNOWN_RINGCON, empty_data, output);
+
+ if (result != DriverResult::Success) {
+ return result;
+ }
+
+ if (tries++ >= max_tries) {
+ return DriverResult::NoDeviceDetected;
+ }
+ } while (output[14] != 0x59 || output[16] != 0x20);
+
+ is_connected = true;
+ return DriverResult::Success;
+}
+
+DriverResult RingConProtocol::ConfigureRing() {
+ LOG_DEBUG(Input, "ConfigureRing");
+ constexpr std::size_t max_tries = 28;
+ DriverResult result{DriverResult::Success};
+ std::vector<u8> output;
+ std::size_t tries = 0;
+
+ do {
+ std::vector<u8> ring_config{0x06, 0x03, 0x25, 0x06, 0x00, 0x00, 0x00, 0x00, 0x1C, 0x16,
+ 0xED, 0x34, 0x36, 0x00, 0x00, 0x00, 0x0A, 0x64, 0x0B, 0xE6,
+ 0xA9, 0x22, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x90, 0xA8, 0xE1, 0x34, 0x36};
+ result = SendSubCommand(SubCommand::UNKNOWN_RINGCON3, ring_config, output);
+
+ if (result != DriverResult::Success) {
+ return result;
+ }
+ if (tries++ >= max_tries) {
+ return DriverResult::NoDeviceDetected;
+ }
+ } while (output[14] != 0x5C);
+
+ std::vector<u8> ringcon_data{0x04, 0x01, 0x01, 0x02};
+ result = SendSubCommand(SubCommand::UNKNOWN_RINGCON2, ringcon_data, output);
+
+ return result;
+}
+
+bool RingConProtocol::IsEnabled() {
+ return is_enabled;
+}
+
+} // namespace InputCommon::Joycon
--
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