JTW8953 触摸按键驱动，未测试

Drivers/JTW8953.cpp

@@ -0,0 +1,79 @@
+#include "JTW8953.h"
+
+#define ADDRESS_W		0xa6	//从机的地址和写入标志
+#define ADDRESS_R		0xa7	//从机的地址和读取标志
+
+#define ADDRESS_C		0xB1	// MCU配置起始地址
+#define ADDRESS_T		0xC0	// 触摸键起始地址, 共有10个触摸键地址范围0xc0~0xD0
+
+JTW8953::JTW8953()
+{
+	IIC		= nullptr;
+	// 7位地址，到了I2C那里，需要左移1位
+	Address	= 0xa6;
+}
+
+JTW8953::~JTW8953()
+{
+	delete IIC;
+	IIC = nullptr;
+}
+
+void JTW8953::Init()
+{
+	debug_printf("\r\nJTW8953::Init Address=0x%02X \r\n", Address);
+
+	IIC->SubWidth	= 1;
+	IIC->Address	= Address << 1;
+}
+
+bool JTW8953::SetConfig(const Buffer& bs) const
+{
+   return Write(ADDRESS_C, bs);
+}
+
+bool JTW8953::Write(ushort addr, byte data)
+{
+	if(!IIC) return false;
+	// 只有10个按键
+	if (addr > 10)return false;
+
+	IIC->Address = ADDRESS_W;
+	addr = addr + ADDRESS_T;
+	
+	return IIC->Write(addr & 0xFF, data);
+}
+
+byte JTW8953::Read(ushort addr)
+{
+	if(!IIC) return 0;
+	// 只有10个按键
+	if (addr > 10)return 0;
+
+	IIC->Address = ADDRESS_R;
+	addr = addr + ADDRESS_T;
+
+	return IIC->Read(addr & 0xFF);
+}
+
+bool JTW8953::Write(uint addr, const Buffer& bs) const
+{
+	if(!IIC) return false;
+	
+	IIC->Address = ADDRESS_W << 1;
+
+	return IIC->Write((ushort)addr, bs);
+}
+
+bool JTW8953::Read(uint addr, Buffer& bs) const
+{
+	if(!IIC) return false;
+
+	IIC->Address = ADDRESS_R << 1;
+	
+	uint len = IIC->Read((ushort)addr, bs);
+	if(len == 0)return false;
+	if(len != bs.Length()) bs.SetLength(len);
+
+	return true;
+}

Drivers/JTW8953.h

@@ -0,0 +1,30 @@
+#ifndef _JTW8953_H_
+#define _JTW8953_H_
+
+#include "I2C.h"
+#include "..\Storage\Storage.h"
+
+// EEPROM
+class JTW8953 : public CharStorage
+{
+public:
+  
+    JTW8953();
+    virtual ~JTW8953();
+
+	I2C* IIC;		// I2C通信口
+
+	void Init();
+	bool Write(ushort addr, byte data);
+	byte Read(ushort addr);
+	// 设置配置
+	bool SetConfig(const Buffer& bs) const;
+
+	virtual bool Write(uint addr, const Buffer& bs) const;
+	virtual bool Read(uint addr, Buffer& bs) const;
+
+private:
+	byte Address;	// 设备地址
+};
+
+#endif