本帖最后由 zhl100 于 2010-7-26 12:58 编辑
”identifier "sbit" is undefined“
“ expression must have a constant value”
程序错误帮忙看看怎么回事（我用stm32控制这个芯片的），底层函数就有这个问题。
谢谢！
typedef unsigned char uchar ;
typedef unsigned int uint ;
//////////////////////////////////////////////////////////
/* cmx868 Register Address Definitions */
//////////////////////////////////////////////////////////
#define CMXGENRESET 0x01
//General Reset Command (No data)
#define CMXGENCTRL_ADDR 0xE0
//General Control Register
#define CMXTXMODE_ADDR 0xE1
//Transmit Mode Register
#define CMXRXMODE_ADDR 0xE2
//Receive Mode Register
#define CMXTXDATA_ADDR 0xE3
//Tx Data Register
#define CMXTXDATAV14_ADDR 0xE4
//Tx in V.14 Mode Register
#define CMXRXDATA_ADDR 0xE5
//Rx Data Register
#define CMXSTAT_ADDR 0xE6
//Status Register
#define CMXPROG_ADDR 0xE8
//////////////////////////////////////////
/* CNM2400 cmx868 Shadow Registers */
//////////////////////////////////////////
uint cmxgenctrl; // 16 Bit General Control Reg
uint cmxrxmode; // 16 Bit Rx Mode Reg
uint cmxstat; // 16 Bit Status Reg
uint cmxtxmode; // 16 Bit Tx Mode Reg
uchar cmxtxdata; // 8 Bit Tx Data Reg
uchar cmxrxdata; // 8 Bit Rx Data Reg
uint cmxprog ; // 16 Bit Programming Reg(reserved)
//uchar data cmxtxdatav14; // 8 Bit V14 Tx Data Reg (reserved)
uchar cmx_int_func; // cmx_commic interrupt require function
//////////////////////////////////////////
/* cmx868 Register Bits */
//////////////////////////////////////////
// General Control Register
sbit IRQNOP_EN = cmxgenctrl ^ 14;
sbit RESET = cmxgenctrl ^ 15;
sbit PWRUP = cmxgenctrl ^ 0;
sbit RLYDRV_ON = cmxgenctrl ^ 1;
sbit FIX_EQU = cmxgenctrl ^ 2;
sbit LOOPBACK_EN=cmxgenctrl ^ 3;
sbit XTAL = cmxgenctrl ^ 4;
// Rx Mode Register
sbit AUTO_EQU = cmxrxmode ^ 0;
sbit RXUSART = cmxrxmode ^ 13;
// Status Register
sbit FSKOUT = cmxstat ^ 8; //FSK frequency demodulator output
sbit RXEVENPAR=cmxstat ^ 11; //Set to 1 on even Rx parity
sbit RXFERR = cmxstat ^ 12; //Set to 1 on Rx framing error
sbit RXOF = cmxstat ^ 13; //Set to 1 on Rx data overflow
sbit DTMFDET = cmxstat ^ 13; //1 when DTMF code is detected
sbit RXRDY = cmxstat ^ 14; //Set to 1 on Rx data ready.
sbit ANS2225DET=cmxstat^ 14; //1 when 2225Hz answer tone
sbit T1DET = cmxstat ^ 14; //the first programmable tone is detected
sbit ANS2100DET=cmxstat^ 15; //1 when 2100Hz answer tone
sbit T2DET = cmxstat ^ 15; //the second programmable tone is detected
sbit CONTA = cmxstat ^ 15; //1 when continuous 1’s pattern detected in FSK modes
sbit CONTB = cmxstat ^ 0;
sbit HOOKDET = cmxstat ^ 0; // Set to 1 on Hook Detect(cmx868 inside)
sbit FSK0101 = cmxstat ^ 1;
sbit S1DET = cmxstat ^ 1;
sbit RXENERGYDET=cmxstat^2;
sbit CPENERGYDET=cmxstat^2;
sbit T1T2DET = cmxstat ^ 2;
sbit TXUF = cmxstat ^ 3;
sbit TXRDY = cmxstat ^ 4;
sbit PROGFLAG= cmxstat ^ 5;
sbit CRD = cmxstat ^ 6;
sbit IRQ = cmxstat ^ 7;
void spi_write_8bit(uchar value)
//Write a byte into cmx868 rigister through SPI_BUS , bit7 is firstly writen
//entry:value to input
{
uchar data i;
//Locked into the chip on the risingedge of the serial CLOCK.
for(i=0;i<8;i++)
{
if((value&0x80)!=0)
{
CDATA=1;
}
else
{
CDATA=0;
}
SPICLK=1;
value=value<<1;
SPICLK=0;
}
}
void SPI_WRITE_16(uchar address)
//Write into cmx868 a 16-bits data through SPI_BUS ,the data is in the correspond shadow register
//entry:the data address to writing
{
SPICLK=0;
CDATA=1;
mcsn_enable;
spi_write_8bit(address);
switch(address)
{
case CMXGENRESET: //only address
break;
case CMXGENCTRL_ADDR: //16 bit data
spi_write_8bit(cmxgenctrl>>8);
spi_write_8bit(cmxgenctrl);
break;
case CMXTXMODE_ADDR:
spi_write_8bit(cmxtxmode>>8);
spi_write_8bit(cmxtxmode);
break;
case CMXRXMODE_ADDR:
spi_write_8bit(cmxrxmode>>8);
spi_write_8bit(cmxrxmode);
break;
case CMXPROG_ADDR:
spi_write_8bit(cmxprog>>8);
spi_write_8bit(cmxprog);
break;
case CMXTXDATA_ADDR: //8 bit data
case CMXTXDATAV14_ADDR:
spi_write_8bit(cmxtxdata);
break;
}
mcsn_disable;
SPICLK=1;
CDATA=1;
}
uchar spi_read_8bit(void)
//Read a byte from the SPI_BUS , bit7 is firstly writen
//entry:none
//export:the reading data from SPI_BUS
{
uchar data i;
uchar data j;
//Replay data send from cmx868 to the UC is valid when the CLOCK is high.
RDATA=1;
j=0;
SPICLK=0;
for(i=0;i<8;i++)
{
SPICLK=1;
j=j<<1;
if(RDATA==1)
j^=0x01;
SPICLK=0;
}
return(j);
}
void SPI_READ_16(uchar address)
//Read a 16-bits data from cmx868 by SPI_BUS ,and save into the correspond shadow register
//entry:the register's address in cmx868 , that is RX_DATA and STATUS_REG
//export: cmxstat in shadow register
// cmxrxdata in shadow register
{
uchar i;
SPICLK=0;
mcsn_enable;
i=address;
spi_write_8bit(address); // special the register address to reading
if(i==CMXSTAT_ADDR) //16-bit register
{
cmxstat=spi_read_8bit();
cmxstat=(cmxstat<<8)+spi_read_8bit();
}
else if(i==CMXRXDATA_ADDR)
{
cmxrxdata=spi_read_8bit();
}
mcsn_disable;
SPICLK=1;
RDATA=1;
}
/////////////////////////////////////////////////////////////////////
void cmx_pwrup()
{
XTAL = 1;
// Ensure correct cmx868 Xtal is selected (S[24] Bit 0)
PWRUP = 1; // Power Up cmx868
RESET = 1; // Initially hold internal circuitry in reset condition
SPI_WRITE_16(CMXGENCTRL_ADDR); // Update CBUS register
DelayMs(20); // 20ms Delay for Power Up
RESET = 0; // Normal Operation
SPI_WRITE_16(CMXGENCTRL_ADDR); // Update CBUS register
cmxtxmode = 0X1A00;
SPI_WRITE_16(CMXTXMODE_ADDR);
cmxrxmode = 0X1A00;
SPI_WRITE_16(CMXRXMODE_ADDR);
}
void cmx_reset()
{
SPI_WRITE_16(CMXGENRESET); // Load general reset byte,reset interal circuit
// and on_hook when relay driver is the IC PIN
cmxgenctrl = 0x1180;
SPI_WRITE_16(CMXGENCTRL_ADDR);
DelayMs(20); // 20ms Delay for Power Up
cmxgenctrl =0X1100; // CML COMM_IC come into powersave mode
SPI_WRITE_16(CMXGENCTRL_ADDR);
cmxtxmode = 0;
cmxrxmode = 0;
cmxtxdata = 0;
cmxtxdatav14 = 0;
cmxrxdata=0;
cmxstat=0;
cmxprog = 0;
}
void hook(uchar state) // Done by cmx868 relay_drive outpin
{
cmx_pwrup(); // wake up CML COMM_IC from powersave mode
if (state == 0)
{
RLYDRV_ON=0; // On-Hook
}
else
{
RLYDRV_ON=1; // Off-Hook
}
SPI_WRITE_16(CMXGENCTRL_ADDR);
} |
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