uint8_t distco_update()
{
i2c_buf[1]=0xaf;
i2c_buf[2]=0xfe;
i2c_buf[3]=0xaf;
i2c_buf[4]=0xfe;
i2c_buf[5]=0xaf;
i2c_buf[6]=0xfe;
i2c_buf[7]=0xaf;
i2c_buf[8]=0xfe;
i2c_size = 9;
i2c_buf[0] = I2C_RX(DISTCO_I2C_ID);
if (!distco_transmit())
return 0;
distco_distance[0] = i2c_buf[1];
distco_distance[1] = i2c_buf[2];
distco_distance[2] = i2c_buf[3];
distco_distance[3] = i2c_buf[4];
distco_distance[4] = i2c_buf[5];
distco_rc5_count = i2c_buf[6];
uint16_t cmd = MAKE_WORD(i2c_buf[7], i2c_buf[8]);
if (cmd)
distco_rc5_cmd=cmd;
return 1;
}
unsigned long DS1672_Value(void)
{
unsigned long value;
int t;
unsigned long v;
I2C_Init(100,1000000);
I2C_Start();
t=I2C_TX(0xD1);
if(t!=0) return 0xffffffff;
t=I2C_RX();
if(t==-1) return 0xffffffff;
value=t;
I2C_ACK();
t=I2C_RX();
if(t==-1) return 0xffffffff;
v = t;
value+=v<<8;
I2C_ACK();
t=I2C_RX();
if(t==-1) return 0xffffffff;
v = t;
value+=v<<16;
I2C_ACK();
t=I2C_RX();
if(t==-1) return 0xffffffff;
v = t;
value+=v<<24;
I2C_NACK();
I2C_Stop();
return value;
}
int DS1672_GetNextByte(void)
{
int t;
I2C_Init(100,1000000);
I2C_Start();
t=I2C_TX(DS1672_READ_ADDRESS);
if(t!=0) {
Log_Error((FARROM*)"DS1672: GetNextByte Error sending Address\r\n");
return -1;
}
t=I2C_RX();
if(t==-1) {
Log_Error((FARROM*)"DS1672: GetNextByte Error receiving byte\r\n");
return -1;
}
I2C_NACK();
I2C_Stop();
return t;
}
