- renamded

git-svn-id: http://moon:8086/svn/software/trunk/projects/mpsk_rx_gui@890 b431acfa-c32f-4a4a-93f1-934dc6c82436
2022-05-29 13:11:21 +00:00
parent a346598469
commit 3c090d204e
5 changed files with 152 additions and 131 deletions
@@ -0,0 +1,115 @@
+#ifndef TRANSMITTERBUFFER_HPP
+#define TRANSMITTERBUFFER_HPP
+
+#pragma once
+
+#include <cstdint>
+#include <cpp/radio/Vector.hpp>
+#include "JuceHeader.h"
+
+class TransmitterBuffer
+{
+public:	
+	TransmitterBuffer(uint32_t size, uint32_t numBuffers)
+		: m_ppBuffer(0)
+		, m_capacityPerBuffer(0)
+		, m_numBuffers(0)
+		, m_pT(0)
+	{
+		resize(size, numBuffers);
+	}
+
+	~TransmitterBuffer()
+	{
+		resize(0, 0);
+	}
+
+	void write(Radio::RVec const &data, uint32_t len)
+	{
+		uint32_t i;
+
+		m_pT = Thread::getCurrentThread();
+		while (m_numfill.get() >= m_numBuffers)
+		{
+			m_pT->wait(100);
+			if (m_pT->threadShouldExit())
+				return;
+		}
+		for (i=0; i < len; i++)
+		{
+			m_ppBuffer[m_w][i] = data[i];
+		}
+		m_w++;
+		if (m_w >= m_numBuffers)
+			m_w = 0;
+
+		m_numfill += 1;
+	}
+
+	uint32_t read(float *pData)
+	{
+		uint32_t i;
+
+		if (m_numfill.get() == 0)
+			return 0;
+
+		for (i=0; i < m_capacityPerBuffer; i++)
+		{
+			pData[i] = m_ppBuffer[m_r][i];
+		}
+		m_r++;
+		if (m_r >= m_numBuffers)
+			m_r = 0;
+
+		m_numfill -= 1;
+
+		if (m_pT)
+			m_pT->notify();
+
+		return i;
+	}
+
+	void resize(uint32_t size, uint32_t numBuffers)
+	{
+
+		uint32_t i;
+		if ((size != m_capacityPerBuffer) || (numBuffers != m_numBuffers))
+		{
+			if (m_ppBuffer)
+			{
+				for (i=0; i < m_numBuffers; i++)
+				{
+					delete m_ppBuffer[i];
+				}
+				delete m_ppBuffer;
+				m_ppBuffer = nullptr;
+			}
+			m_r = 0;
+			m_w = 0;
+			m_numfill = 0;
+		}
+
+		m_numBuffers = numBuffers;
+		m_capacityPerBuffer = size;
+
+		if (!size || !numBuffers)
+			return;
+
+		m_ppBuffer = new float*[m_numBuffers];
+		for (i=0; i < m_numBuffers; i++)
+		{
+			m_ppBuffer[i] = new float[m_capacityPerBuffer];
+		}
+	}
+
+private:
+	Atomic<uint32_t> m_numfill;
+	float **m_ppBuffer;
+	uint32_t m_capacityPerBuffer;
+	uint32_t m_numBuffers;
+	uint32_t m_r;
+	uint32_t m_w;
+	Thread *m_pT;
+};
+
+#endif