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#include "bsp.h"
/*******************************************************************************
* 函數(shù)名 : WriteRegfdc2214
* 描述 : 寫寄存器數(shù)據(jù)
* 輸入?yún)?shù) : add，value
* 返回參數(shù) : 無
*******************************************************************************/
void WriteRegfdc2214(u8 add,u16 value)
{
IIC_Start();
IIC_Send_Byte(0X54); //ADDR=0時，地址0X2A<<1+0=0X54
IIC_Wait_Ack(); //等應(yīng)答
IIC_Send_Byte(add); //寫地址
IIC_Wait_Ack(); //等應(yīng)答
IIC_Send_Byte(value>>8); //寫高8位
IIC_Wait_Ack();
IIC_Send_Byte(value&0xff);//寫低8位
IIC_Wait_Ack();
IIC_Stop(); //產(chǎn)生一個停止條件
delay_ms(10);
}
/*******************************************************************************
* 函數(shù)名 : ReadRegfdc2214
* 描述 : 讀寄存器數(shù)據(jù)
* 輸入?yún)?shù) : add地址
* 返回參數(shù) : 無
*******************************************************************************/
unsigned int ReadRegfdc2214(unsigned char add)
{
u16 status;
u16 a,b;
IIC_Start();
IIC_Send_Byte(0X54); //寫命令A(yù)DDR=0
IIC_Wait_Ack();
IIC_Send_Byte(add); //地址
IIC_Wait_Ack();
IIC_Start(); //重新開始
IIC_Send_Byte(0X55); //發(fā)送讀命令A(yù)DDR=0
IIC_Wait_Ack();
a=IIC_Read_Byte(1); //讀高位
b=IIC_Read_Byte(0); //讀低位
status=(a<<8)+b;
IIC_Stop();
return (status);
}
/*******************************************************************************
* 函數(shù)名 : InitSingleLDC1314
* 描述 : 初始化單通道
* 輸入?yún)?shù) : 無
* 返回參數(shù) : 無
*******************************************************************************/
void InitSingleFDC2214(void)
{
WriteRegfdc2214(0x08,0xFFFF);//設(shè)置轉(zhuǎn)換時間設(shè)置達(dá)到最高精度
WriteRegfdc2214(0x10,0x0064);//FDC2214_SETTLECOUNT_CH0 計數(shù)
WriteRegfdc2214(0x14,0x2001); //分頻洗系數(shù)
// LDC_Write_Reg(0x0C,0x0F00); //調(diào)零
WriteRegfdc2214(0x19,0x0000); //ERROE_CONFIG
WriteRegfdc2214(0x1B,0x020D); //通道配置
WriteRegfdc2214(0x1E,0xF800); //配置驅(qū)動電流
WriteRegfdc2214(0x1A,0x1C81); //參數(shù)配置
}
/*******************************************************************************
* 函數(shù)名 : InitMultiLDC1314
* 描述 : 初始化多通道
* 輸入?yún)?shù) : 無
* 返回參數(shù) : 無
*******************************************************************************/
void InitMultiFDC2214(void)//雙通道
{
WriteRegfdc2214(0x08,0x04D6);//轉(zhuǎn)換時間
WriteRegfdc2214(0x09,0x04D6);
WriteRegfdc2214(0x0A,0x04D6);//轉(zhuǎn)換時間
WriteRegfdc2214(0x0B,0x04D6);
WriteRegfdc2214(0x0C,0x0F00); //調(diào)0值 CH0
WriteRegfdc2214(0x0D,0x0F00); //調(diào)0值 CH1
WriteRegfdc2214(0x0E,0x0F00); //調(diào)0值 CH2
WriteRegfdc2214(0x0F,0x0F00); //調(diào)0值 CH3
WriteRegfdc2214(0x10,0x000A);//作用時間 CH1
WriteRegfdc2214(0x11,0x000A);//CH2
WriteRegfdc2214(0x12,0x000A);//CH3
WriteRegfdc2214(0x13,0x000A);//CH4
WriteRegfdc2214(0x14,0x2002);//分頻
WriteRegfdc2214(0x15,0x2002);
WriteRegfdc2214(0x16,0x2002);//分頻
WriteRegfdc2214(0x17,0x2002);
WriteRegfdc2214(0x19,0x0000);
WriteRegfdc2214(0x1B,0xC20D);//配置多通道 2通道--0x820D
WriteRegfdc2214(0x1E,0x9000); //驅(qū)動電流 CH0
WriteRegfdc2214(0x1F,0x9000); //CH1
WriteRegfdc2214(0x20,0x9000); //CH2
WriteRegfdc2214(0x21,0x9000); //CH3
// LDC_Write_Reg(0x1A,0x1401);
WriteRegfdc2214(0x1A,0x1C81);//配置寄存器
}
//Configuration register
// Active channel Select: b00 = ch0; b01 = ch1; b10 = ch2; b11 = ch3;
// |Sleep Mode: 0 - device active; 1 - device in sleep;
// ||Reserved, reserved, set to 1
// |||Sensor Activation Mode: 0 - drive sensor with full current. 1 - drive sensor with current set by DRIVE_CURRENT_CHn
// ||||Reserved, set to 1
// |||||Reference clock: 0 - use internal; 1 - use external clock
// ||||||Reserved, set to 0
// |||||||Disable interrupt. 0 - interrupt output on INTB pin; 1 - no interrupt output
// ||||||||High current sensor mode: 0 - 1.5mA max. 1 - > 1.5mA, not available if Autoscan is enabled
// ||||||||| Reserved, set to 000001
// ||||||||| |
// CCS1A1R0IH000000 -> 0001 1100 1000 0001 -> 0x1E81 0001 1100 1000 0001 -> 0x1C81

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