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