unsigned char readAdc1(void){
unsigned char readValue = 0;
I2C_START_WAIT(LightSensorAddress+I2C_WRITE_FLAG);
I2C_WRITE(0x83);
I2C_REP_START(LightSensorAddress+I2C_READ_FLAG);
readValue = I2C_READ_ACK();
return readValue;
}
int getTemperature(void){
int temperature=0;
unsigned char temp;
WakeUpMode();
/* Wait data temperature available */
do {
I2C_START_WAIT(TemperatureSensorAddress+I2C_WRITE_FLAG);
I2C_WRITE(0x04); // CONTROLS/STATUS REGISTER
I2C_REP_START(TemperatureSensorAddress+I2C_READ_FLAG); // Send a responce request
temp = I2C_READ_NACK(); // Read the response
I2C_STOP();
}
while(!(temp & 0x01)); // While Data Available Flag is not set
/* Read the TEMPERATURE DATA REGISTER */
I2C_START_WAIT(TemperatureSensorAddress+I2C_WRITE_FLAG);
I2C_WRITE(0x00); // Write the temperature data register 0x00
I2C_REP_START(TemperatureSensorAddress+I2C_READ_FLAG); // Send a responce request
temperature = I2C_READ_NACK()<<8; // Read the response
I2C_WRITE(0x10); // Write the temperature hight byte data register 0x00
I2C_REP_START(TemperatureSensorAddress+I2C_READ_FLAG); // Send a responce request
temperature = I2C_READ_NACK()<<8; // Read the response
I2C_WRITE(0x11); // Write the temperature low byte data register 0x00
I2C_REP_START(TemperatureSensorAddress+I2C_READ_FLAG); // Send a responce request
temperature |= I2C_READ_NACK(); // Read the response
I2C_STOP();
/* Go to sleep mode */
sleepMode();
return temperature/128;
}
// odczyt danych z pamiêci EEPROM
void EI2C_read_buf(u08 device, u16 subAddr, u16 len, u08 *buf) {
while (len--) {
I2C_START();
i2cPutbyte(device | ((subAddr>>8)<<1) );
i2cPutbyte(subAddr);
I2C_REP_START();
i2cPutbyte(device + 1);
*buf++ = i2cGetbyte( NACK );
I2C_STOP();
subAddr++;
}
}
unsigned char WakeUpModeLight(void){
unsigned char ret = -1;
unsigned char count = 0;
do {
ret = I2C_START(LightSensorAddress+I2C_WRITE_FLAG);
if(ret == 0){
I2C_WRITE(0x03);
I2C_REP_START(LightSensorAddress+I2C_READ_FLAG);
ret = I2C_READ_ACK();
}
if(count++ > 10)
return 1;
} while(ret != 0x03); // While Response of command WakeUp is not 0x03
return 0;
}
