feat(ch934x): 添加GPIO方向控制和串口参数配置功能
- 添加Ch934xMode和GpioDirection枚举类定义 - 实现GPIO方向控制相关方法(setGpioDir/queryGpioDirFromCache) - 添加GPIO使能控制(enableGpio)和数量/组数查询(getGpiocount/getGpiogroup) - 实现串口参数配置(setSerialParameter)包括波特率/数据位/停止位/校验位/流控 - 添加Break信号控制(setBreak)功能 - 实现当前串口模式查询(getCurrentMode) - 添加设备连接状态查询(isConnected)和已打开设备列表获取(getConnectedDevices) - 更新文档说明GPIO方向控制和串口参数配置用法 - 在示例应用中添加相关功能按钮和操作逻辑
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@@ -168,4 +168,80 @@ class Ch934xSerial {
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await _platform.setExceptionCallback(controller.add);
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return subscription;
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}
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// ---------------------------------------------------------------------------
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// 新增接口(文档补充的完整 SDK API)
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// ---------------------------------------------------------------------------
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/// 设置 Break 信号。
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Future<bool> setBreak(bool valid) => _platform.setBreak(valid);
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/// 获取当前串口模式。
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Future<int> getCurrentMode() => _platform.getCurrentMode();
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/// 获取 GPIO 数量。
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Future<int> getGpiocount(int deviceId) =>
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_platform.getGpiocount(deviceId);
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/// 获取 GPIO 组数。
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Future<int> getGpiogroup(int deviceId) =>
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_platform.getGpiogroup(deviceId);
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/// 使能 GPIO。
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Future<bool> enableGpio({
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required int chipType,
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required int gpioGroup,
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required int enable,
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}) =>
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_platform.enableGpio(
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chipType: chipType,
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gpioGroup: gpioGroup,
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enable: enable,
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);
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/// 设置 GPIO 方向。
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Future<bool> setGpioDir({
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required int gpioGroup,
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required int gpioNumber,
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required int dir,
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}) =>
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_platform.setGpioDir(
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gpioGroup: gpioGroup,
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gpioNumber: gpioNumber,
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dir: dir,
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);
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/// 从缓存查询 GPIO 方向。
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Future<int> queryGpioDirFromCache({
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required int gpioGroup,
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required int gpioNumber,
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}) =>
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_platform.queryGpioDirFromCache(
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gpioGroup: gpioGroup,
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gpioNumber: gpioNumber,
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);
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/// 查询设备是否已打开。
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Future<bool> isConnected(int deviceId) =>
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_platform.isConnected(deviceId);
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/// 获取当前已打开的设备 ID 列表。
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Future<List<int>> getConnectedDevices() =>
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_platform.getConnectedDevices();
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/// 配置当前活跃串口的参数。
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Future<bool> setSerialParameter({
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required int baud,
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int dataBit = 8,
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int stopBit = 1,
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int parityBit = 0,
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bool flow = false,
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}) =>
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_platform.setSerialParameter(
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baud: baud,
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dataBit: dataBit,
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stopBit: stopBit,
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parityBit: parityBit,
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flow: flow,
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);
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}
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