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base: SikongJueluo:283bf2a956ea979856bf0921d55e78a8c54e92ef
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SikongJueluo:master SikongJueluo:pyg SikongJueluo:dpp SikongJueluo:refactor
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compare: SikongJueluo:7265b1087079079d5bb8deeab04d4570e4536b4a
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SikongJueluo:master SikongJueluo:pyg SikongJueluo:dpp SikongJueluo:refactor

2 Commits
283bf2a956 ... 7265b10870

Author SHA1 Message Date
alivender
7265b10870 Merge branch 'master' of ssh://git.swordlost.top:222/SikongJueluo/FPGA_WebLab 2025-08-18 16:15:10 +08:00
alivender
f548462472 fix: 修改示波器后端 2025-08-18 16:15:08 +08:00
2 changed files with 80 additions and 36 deletions
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20
server/src/Controllers/OscilloscopeController.cs
View File

@@ -118,16 +118,16 @@ public class OscilloscopeApiController : ControllerBase
return StatusCode(StatusCodes.Status500InternalServerError, "设置抽样率失败");
}
// 刷新RAM
if (config.AutoRefreshRAM)
{
var refreshResult = await oscilloscope.RefreshRAM();
if (!refreshResult.IsSuccessful)
{
logger.Error($"刷新RAM失败: {refreshResult.Error}");
return StatusCode(StatusCodes.Status500InternalServerError, "刷新RAM失败");
}
}
// // 刷新RAM
// if (config.AutoRefreshRAM)
// {
// var refreshResult = await oscilloscope.RefreshRAM();
// if (!refreshResult.IsSuccessful)
// {
// logger.Error($"刷新RAM失败: {refreshResult.Error}");
// return StatusCode(StatusCodes.Status500InternalServerError, "刷新RAM失败");
// }
// }
// 设置捕获开关
var captureResult = await oscilloscope.SetCaptureEnable(config.CaptureEnabled);

96
server/src/Peripherals/OscilloscopeClient.cs
View File

@@ -24,40 +24,45 @@ static class OscilloscopeAddr
/// </summary>
public const UInt32 TRIG_EDGE = BASE + 0x0000_0002;
/// <summary>
/// 0x0000_0003: R/W[9:0] h shift 水平偏移量
/// </summary>
public const UInt32 H_SHIFT = BASE + 0x0000_0003;
/// <summary>
/// 0x0000_0004: R/W[9:0] deci rate 抽样率，0—1023
/// </summary>
public const UInt32 DECI_RATE = BASE + 0x0000_0004;
public const UInt32 DECI_RATE = BASE + 0x0000_0003;
/// <summary>
/// 0x0000_0005:R/W[0] ram refresh RAM刷新
/// </summary>
public const UInt32 RAM_FRESH = BASE + 0x0000_0005;
public const UInt32 RAM_FRESH = BASE + 0x0000_0004;
/// <summary>
/// 0x0000_0005:R/W[0] wave ready 波形数据就绪
/// </summary>
public const UInt32 WAVE_READY = BASE + 0x0000_0005;
/// <summary>
/// 0x0000_0005:R/W[0] trig postion 触发地址
/// </summary>
public const UInt32 TRIG_POSIION = BASE + 0x0000_0006;
/// <summary>
/// 0x0000 0006:R[19: 0] ad_freq AD采样频率
/// </summary>
public const UInt32 AD_FREQ = BASE + 0x0000_0006;
public const UInt32 AD_FREQ = BASE + 0x0000_0007;
/// <summary>
/// Ox0000_0007: R[7:0] ad_vpp AD采样幅度
/// </summary>
public const UInt32 AD_VPP = BASE + 0x0000_0007;
public const UInt32 AD_VPP = BASE + 0x0000_0008;
/// <summary>
/// 0x0000_0008: R[7:0] ad max AD采样最大值
/// </summary>
public const UInt32 AD_MAX = BASE + 0x0000_0008;
public const UInt32 AD_MAX = BASE + 0x0000_0009;
/// <summary>
/// 0x0000_0009: R[7:0] ad_min AD采样最小值
/// </summary>
public const UInt32 AD_MIN = BASE + 0x0000_0009;
public const UInt32 AD_MIN = BASE + 0x0000_000A;
/// <summary>
/// 0x0000_1000-0x0000_13FF:R[7:0] wave_rd_data 共1024个字节
@@ -165,20 +170,6 @@ class Oscilloscope
/// <returns>操作结果，成功返回true，否则返回异常信息</returns>
public async ValueTask<Result<bool>> SetHorizontalShift(UInt16 shift)
{
if (shift > 1023)
return new(new ArgumentException("Horizontal shift must be 0-1023", nameof(shift)));
var ret = await UDPClientPool.WriteAddr(this.ep, this.taskID, OscilloscopeAddr.H_SHIFT, shift, this.timeout);
if (!ret.IsSuccessful)
{
logger.Error($"Failed to set horizontal shift: {ret.Error}");
return new(ret.Error);
}
if (!ret.Value)
{
logger.Error("WriteAddr to H_SHIFT returned false");
return new(new Exception("Failed to set horizontal shift"));
}
return true;
}
@@ -315,6 +306,23 @@ class Oscilloscope
/// <returns>操作结果，成功返回采样数据数组，否则返回异常信息</returns>
public async ValueTask<Result<byte[]>> GetWaveformData()
{
// 等待WAVE_READY[0]位为1，最多等待50ms（5次x10ms间隔）
var readyResult = await UDPClientPool.ReadAddrWithWait(
this.ep, this.taskID, OscilloscopeAddr.WAVE_READY, 0b00, 0x01, 10, 50);
if (!readyResult.IsSuccessful)
{
logger.Error($"Failed to wait for wave ready: {readyResult.Error}");
return new(readyResult.Error);
}
// 无论准备好与否，都继续读取数据（readyResult.Value表示是否在超时前准备好）
if (!readyResult.Value)
{
logger.Warn("Wave data may not be ready, but continuing to read");
}
// 无论准备好与否，都继续读取数据
var ret = await UDPClientPool.ReadAddr4BytesAsync(
this.ep,
this.taskID,
@@ -345,6 +353,42 @@ class Oscilloscope
waveformData[i] = data[4 * i + 3];
}
return waveformData;
// 获取触发地址用作数据偏移量
var trigPosResult = await UDPClientPool.ReadAddrByte(this.ep, this.taskID, OscilloscopeAddr.TRIG_POSIION, this.timeout);
if (!trigPosResult.IsSuccessful)
{
logger.Error($"Failed to read trigger position: {trigPosResult.Error}");
return new(trigPosResult.Error);
}
if (trigPosResult.Value.Options.Data == null || trigPosResult.Value.Options.Data.Length < 4)
{
logger.Error("ReadAddr returned invalid data for trigger position");
return new(new Exception("Failed to read trigger position"));
}
UInt32 trigAddr = Number.BytesToUInt32(trigPosResult.Value.Options.Data).Value;
// 根据触发地址对数据进行偏移，使触发点位于数据中间
int targetPos = sampleCount / 2; // 目标位置：数据中间
int actualTrigPos = (int)(trigAddr % (UInt32)sampleCount); // 实际触发位置
int shiftAmount = targetPos - actualTrigPos;
// 创建偏移后的数据数组
byte[] offsetData = new byte[sampleCount];
for (int i = 0; i < sampleCount; i++)
{
int sourceIndex = (i - shiftAmount + sampleCount) % sampleCount;
offsetData[i] = waveformData[sourceIndex];
}
// 刷新RAM
var refreshResult = await RefreshRAM();
if (!refreshResult.IsSuccessful)
{
logger.Error($"Failed to refresh RAM after reading waveform data: {refreshResult.Error}");
return new(refreshResult.Error);
}
return offsetData;
}
}