/**
* Gets the software revision of the software in the RLY08
*/
unsigned int getRLY08SoftwareRevision() {
IdleI2C();
StartI2C();
IdleI2C();
while(I2CCONbits.SEN);
// send the address
MasterWriteI2C(writeAddr);
IdleI2C();
// send the register
MasterWriteI2C(RLY08_REGISTER_SOFTWARE_REVISION);
IdleI2C();
StopI2C();
IdleI2C();
StartI2C();
while(I2CCONbits.SEN);
// send the address again with read bit
MasterWriteI2C(readAddr);
IdleI2C();
// read the data
unsigned char data = MasterReadI2C();
IdleI2C();
StopI2C();
return data;
}
unsigned char readSRF02(char addr, char reg) {
StartI2C();
while (I2CCONbits.SEN);
// send the address
MasterWriteI2C(addr);
IdleI2C();
// send the register
MasterWriteI2C(reg);
IdleI2C();
StopI2C();
IdleI2C();
StartI2C();
while (I2CCONbits.SEN);
// send the address again with read bit
MasterWriteI2C(addr + 1);
IdleI2C();
// read the data
unsigned char data = MasterReadI2C();
StopI2C();
return data;
}
int getRelayStates() {
StartI2C();
IdleI2C();
// send the address
MasterWriteI2C(writeAddr);
IdleI2C();
// send the register
MasterWriteI2C(RLY08_REGISTER_RELAY_STATES);
IdleI2C();
StartI2C();
// send the address again with read bit
MasterWriteI2C(readAddr);
IdleI2C();
// send the register
MasterWriteI2C(RLY08_REGISTER_RELAY_STATES);
// read the data - and send an ACK
int data = MasterReadI2C();
StopI2C();
return(data);
}
static int
i2c_read(struct i2c_platform_data *adap, unsigned char *buf,
unsigned int len)
{
int i;
u32 data;
pr_debug("i2c_read\n");
i = 0;
while (i < len) {
data = MasterReadI2C(adap);
buf[i++] = data;
if (i < len)
AckI2C(adap);
else
NotAckI2C(adap);
}
StopI2C(adap);
IdleI2C(adap);
return 0;
}
char getSD21BatteryLevel (void) {
unsigned char result;
IdleI2C();
StartI2C();
/* Wait till Start sequence is completed */
while(I2CCONbits.SEN);
MasterWriteI2C(SD21_ADDRESS_WRITE);
IdleI2C();
MasterWriteI2C(REGISTER_VOLTAGE);
IdleI2C();
StopI2C();
IdleI2C();
StartI2C();
/* Wait till Start sequence is completed */
while(I2CCONbits.SEN)
MasterWriteI2C(SD21_ADDRESS_READ);
IdleI2C();
result = MasterReadI2C();// * BATTERY_MULTIPLY_FACTOR;
IdleI2C();
return result;
}
unsigned int getSD21SoftwareRevision(void) {
unsigned int version;
IdleI2C();
StartI2C();
/* Wait till Start sequence is completed */
while(I2CCONbits.SEN);
MasterWriteI2C(SD21_ADDRESS_WRITE);
IdleI2C();
MasterWriteI2C(REGISTER_SOFTWARE_REVISION);
IdleI2C();
StopI2C();
IdleI2C();
StartI2C();
/* Wait till Start sequence is completed */
while(I2CCONbits.SEN)
//adddresse I2C de la carte
MasterWriteI2C(SD21_ADDRESS_READ);
IdleI2C();
version = MasterReadI2C();
IdleI2C();
StopI2C();
return (version);
}
byte I2CReadByte ( byte Device, byte Address )
{
byte Data = 0;
// Ensure I2C module is idle
IdleI2C();
// Transmit a Start condition
StartI2C();
// Wait till Start sequence is completed
while(I2CCONbits.SEN );
// Write Slave address and set master for transmission (R/W bit should be 0)
MasterWriteI2C(Device);
// Wait till address is transmitted
while(I2CSTATbits.TBF);
// Test for ACK condition received
while(I2CSTATbits.ACKSTAT);
// Ensure I2C module is idle
//IdleI2C();
// Write word address for serial EEPROM
MasterWriteI2C(Address);
// Wait till address is transmitted
while(I2CSTATbits.TBF);
// Test for ACK condition received
while(I2CSTATbits.ACKSTAT);
// Ensure I2C module is idle
//IdleI2C();
// Generate the I2C bus restart condition
RestartI2C();
// Wait until re-start condition is over
while (I2CCONbits.RSEN);
// WWrite Slave address and set master for reception (R/W bit should be 1)
MasterWriteI2C( Device+1 );
// Wait till address is transmitted
while(I2CSTATbits.TBF);
// Ensure I2C module is idle
//IdleI2C();
// Test for ACK condition received
while(I2CSTATbits.ACKSTAT);
// Ensure I2C module is idle
//IdleI2C();
// Read the data byte
Data = MasterReadI2C();
// Ensure I2C module is idle
//IdleI2C();
// send NACK condition back to the I2C slave indicating master received the data byte
NotAckI2C();
// wait until NACK sequence is over
while (I2CCONbits.ACKEN);
// Ensure I2C module is idle
//IdleI2C();
// send STOP condition
StopI2C();
// Wait till Stop sequence is completed
while(I2CCONbits.PEN);
// Ensure I2C module is idle
IdleI2C();
return ( Data ); // return with data
}
