1 // Copyright (c) 2017, Tobias Mueller tm(at)tm3d.de
2 // All rights reserved.
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
8 // * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above copyright
11 // notice, this list of conditions and the following disclaimer in the
12 // documentation and/or other materials provided with the
14 // * All advertising materials mentioning features or use of this
15 // software must display the following acknowledgement: This product
16 // includes software developed by tm3d.de and its contributors.
17 // * Neither the name of tm3d.de nor the names of its contributors may
18 // be used to endorse or promote products derived from this software
19 // without specific prior written permission.
21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #define F_CPU 8000000UL
35 #include <util/delay.h>
38 #include "USI_TWI_Master.h"
42 uint8_t readIAQCORE(IAQCORE_Data_t *d) {
43 uint8_t *da=(uint8_t*)d;
45 I2c_WriteByte(0b10110101);
46 da[1]=I2c_ReadByte(ACK);
47 da[0]=I2c_ReadByte(ACK);
48 da[2]=I2c_ReadByte(ACK);
49 da[6]=I2c_ReadByte(ACK);
50 da[5]=I2c_ReadByte(ACK);
51 da[4]=I2c_ReadByte(ACK);
52 da[3]=I2c_ReadByte(ACK);
53 da[8]=I2c_ReadByte(ACK);
54 da[7]=I2c_ReadByte(NO_ACK);