//only 5803/5820
uint8 RDAFM_read_data(uint8 regaddr, uint16 *data, uint8 datalen)
{
uint8 tempdata;
uint8 i=0;
uint8 acknowledge;
SerialCommStart();///start
acknowledge=SerialCommTxByte(FM_SINGLE_REG_ADRW);//chip adress
acknowledge=SerialCommTxByte(regaddr);
SerialCommStart();//start
SerialCommTxByte(FM_SINGLE_REG_ADRR);//chip adress
for( i=0;i<datalen-1;i++,data++)//data
{
SerialCommRxByte(&tempdata, 0);
*data = (tempdata<<8);
SerialCommRxByte(&tempdata, 0);
*data |= tempdata;
}
SerialCommRxByte(&tempdata, 0);
*data = (tempdata<<8);
SerialCommRxByte(&tempdata, 1);
*data |= tempdata;
SerialCommStop();
return acknowledge;
}
static bool NS953_I2cReadReg(uint8 *data, uint8 startAddr, uint8 bytesNum)
{
int32 acknowledge;
#if defined(FM_DRIVER_DEBUG_TESTING)
int32 i,latestRegNum;
#endif
SerialCommStart();
SerialCommTxByte(ADRW);
SerialCommTxByte(startAddr);
SerialCommStart();
acknowledge = SerialCommTxByte(ADRR);
#if defined(FM_DRIVER_DEBUG_TESTING)
latestRegNum = bytesNum + startAddr - 1;
for(i=startAddr; i< latestRegNum; i++)
SerialCommRxByte(data+i, 0); /* ACK */
SerialCommRxByte(data+latestRegNum, 1); /* Non-ACK */
#else
SerialCommRxByte(data, 1); /* Non-ACK */
#endif
SerialCommStop();
if(acknowledge)
return false;
return true;
}
int I2cReadReg(unsigned char dev_id, unsigned char Addr, unsigned char *Data)
{
int acknowledge=0;
SerialCommStart();
acknowledge=SerialCommTxByte((dev_id<<1) & 0xff);
if(acknowledge)
acknowledge=SerialCommTxByte(Addr);
else
return 0;
SerialCommStart();
acknowledge=SerialCommTxByte(((dev_id<<1) & 0xff) | 0x01);
if(acknowledge)
SerialCommRxByte(Data, 1); // ack 0: ok , 1 error
else
return 0;
SerialCommStop();
return acknowledge;
}
uint8 OperationRDAFM_2w(uint8 operation, uint8 *data, uint8 numBytes)
{
uint8 j;
uint8 acknowledge=0;
/***************************************************
START: make sure here SDIO_DIR =OUT, RDABT_SCLK = 1, SDIO = 1
****************************************************/
SerialCommStart();
/***************************************************
WRITE CONTROL DATA: make sure here: SLCK = 0; SDIO = 0
****************************************************/
/***************************
CHECK ACK for control word
***************************/
if(operation == READ)
acknowledge = SerialCommTxByte(ADRR);
else
acknowledge = SerialCommTxByte(ADRW);
//kal_prompt_trace(MOD_MED_V,"OperationRDAFM_2w lrjaaaaaa acknowledge =%d ",acknowledge);
/***************************************
WRITE or READ data
****************************************/
/******************************
CHECK ACK or SEND ACK=0
*******************************/
for (j = 0; j < numBytes; j++, data++)
{
if (operation == READ)
{
if (j == (numBytes -1))
SerialCommRxByte(data,1);
else
SerialCommRxByte(data, 0);
}
else
acknowledge = SerialCommTxByte(*data);
//kal_prompt_trace(MOD_MED_V,"OperationRDAFM_2w numBytes =%d acknowledge=%d,data=%x",numBytes,acknowledge,*data); //lrj add for test 20060522
}
/****************************
STOP: make sure here: RDABT_SCLK = 0
*****************************/
SerialCommStop();
return acknowledge;
}