S8 I2C1_READ_String(U8 DevAdd, U8 RegAdd, U8 *RegValue, U8 len)
{
int DataWait = len*100;
char ComRes,DevAddr;
DevAddr = (DevAdd<<1)|M_I2C_Write;
StartI2C1(); // Send the start bit
IdleI2C1(); // Wait to complete
while(I2C1STATbits.ACKSTAT); //wait for acknowledgement
ComRes=MasterWriteI2C1(DevAddr); // Adress with write mode
IdleI2C1(); // Wait to complete
while(I2C1STATbits.ACKSTAT); //wait for acknowledgement
ComRes=MasterWriteI2C1(RegAdd); // Write the chip ID register loaction for read
IdleI2C1(); // Send the start bit
while(I2C1STATbits.ACKSTAT); //wait for acknowledgement
RestartI2C1(); // Send the start bit
IdleI2C1(); // Wait to complete
while(I2C1STATbits.ACKSTAT); //wait for acknowledgement
DevAddr = (DevAdd<<1)|M_I2C_Read;
MasterWriteI2C1(DevAddr); // Adress with write mode
IdleI2C1(); // Wait to complete
while(I2C1STATbits.ACKSTAT); //wait for acknowledgement
MastergetsI2C1(len, RegValue, DataWait); // Read the Register value
IdleI2C1(); // Wait to complete
NotAckI2C1(); // Not Acknowledge I2C
IdleI2C1(); // Wait to complete
StopI2C1(); // Stop I2C communication
IdleI2C1(); // Wait to complete;
return ComRes;
}
void LDByteReadI2C(unsigned char SlaveAddress, unsigned char reg, unsigned char *data, int num){
StartI2C1(); //Send the Start Bit
IdleI2C1(); //Wait to complete
MasterWriteI2C1(SlaveAddress); //transmit write command
IdleI2C1(); //Wait to complete
MasterWriteI2C1(reg);
IdleI2C1();
StopI2C1();
IdleI2C1();
StartI2C1(); //Send the Start Bit
IdleI2C1(); //Wait to complete
MasterWriteI2C1(SlaveAddress|0x01); //transmit read command
IdleI2C1(); //Wait to complete
MastergetsI2C1(num, data, 30);
StopI2C1(); //Send the Stop condition
IdleI2C1(); //Wait to complete
}
unsigned int i2cReadString(unsigned char channel, unsigned length,
unsigned char * data, unsigned int data_wait) {
if (channel == 1) { return MastergetsI2C1(length, data, data_wait); }
else { return MastergetsI2C2(length, data, data_wait); }
}
