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fix: 完善I2c ReadData函数

This commit is contained in:
alivender 2025-07-14 14:08:11 +08:00
parent 2b1ee90af7
commit 533e2561ab
1 changed files with 9 additions and 9 deletions
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18
server/src/Peripherals/I2cClient.cs
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@ -196,15 +196,15 @@ public class I2c
/// </summary>
/// <param name="devAddr">I2C设备地址</param>
/// <param name="data">要写入的数据（dummy数据）</param>
/// <param name="length">要读取的数据长度</param>
/// <param name="dataReadLength">要读取的数据长度</param>
/// <param name="proto">I2C协议类型</param>
/// <returns>操作结果，成功返回读取到的数据，否则返回异常信息</returns>
public async ValueTask<Result<byte[]>> ReadData(UInt32 devAddr, byte[] data, int length, I2cProtocol proto)
public async ValueTask<Result<byte[]>> ReadData(UInt32 devAddr, byte[] data, int dataReadLength, I2cProtocol proto)
{
if (length <= 0 || length > 0x0000_FFFF)
if (dataReadLength <= 0 || dataReadLength > 0x0000_FFFF)
{
logger.Error($"Read length {length} is invalid or exceeds maximum allowed 0x0000_FFFF");
return new(new ArgumentException($"Read length {length} is invalid or exceeds maximum allowed 0x0000_FFFF"));
logger.Error($"Read length {dataReadLength} is invalid or exceeds maximum allowed 0x0000_FFFF");
return new(new ArgumentException($"Read length {dataReadLength} is invalid or exceeds maximum allowed 0x0000_FFFF"));
}
if (data.Length > 0x0000_FFFF)
@ -244,9 +244,9 @@ public class I2c
}
}
// 配置本次传输数据量：[15:0]为dummy长度（data.Length-1），[31:16]为读长度（length-1）
// 配置本次传输数据量：[15:0]为读长度（length-1），[31:16]为dummy长度（data.Length-1）
{
uint tranConfig = ((uint)(data.Length - 1)) | (((uint)(length - 1)) << 16);
uint tranConfig = ((uint)(dataReadLength - 1)) | (((uint)(data.Length - 1)) << 16);
var ret = await UDPClientPool.WriteAddr(this.ep, this.taskID, I2cAddr.TranConfig, tranConfig);
if (!ret.IsSuccessful)
{
@ -296,14 +296,14 @@ public class I2c
// 读取数据
{
var ret = await UDPClientPool.ReadAddr(this.ep, this.taskID, I2cAddr.Read, length);
var ret = await UDPClientPool.ReadAddr(this.ep, this.taskID, I2cAddr.Read, dataReadLength);
if (!ret.IsSuccessful)
{
logger.Error($"Failed to read data from I2C FIFO: {ret.Error}");
return new(ret.Error);
}
if (ret.Value.Options.Data == null || ret.Value.Options.Data.Length != length)
if (ret.Value.Options.Data == null || ret.Value.Options.Data.Length != dataReadLength)
{
logger.Error($"ReadAddr returned unexpected data length: {ret.Value.Options.Data?.Length ?? 0}");
return new(new Exception("Failed to read expected amount of data from I2C FIFO"));