New I2C devices

[owSlave2.git] / common / I2C / IAQCORE.c

diff --git a/common/I2C/IAQCORE.c b/common/I2C/IAQCORE.c
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+++ b/common/I2C/IAQCORE.c
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+// Copyright (c) 2017, Tobias Mueller tm(at)tm3d.de
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//  * Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//  * Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the
+//    distribution.
+//  * All advertising materials mentioning features or use of this
+//    software must display the following acknowledgement: This product
+//    includes software developed by tm3d.de and its contributors.
+//  * Neither the name of tm3d.de nor the names of its contributors may
+//    be used to endorse or promote products derived from this software
+//    without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#define F_CPU 8000000UL
+#include <avr/io.h>
+
+#include <util/delay.h>
+
+
+#include "USI_TWI_Master.h"
+#include "IAQCORE.h"
+
+
+uint8_t readIAQCORE(IAQCORE_Data_t *d) {
+       uint8_t *da=(uint8_t*)d;
+       I2c_StartCondition();
+       I2c_WriteByte(0b10110101);
+       da[1]=I2c_ReadByte(ACK);
+       da[0]=I2c_ReadByte(ACK);
+       da[2]=I2c_ReadByte(ACK);
+       da[6]=I2c_ReadByte(ACK);
+       da[5]=I2c_ReadByte(ACK);
+       da[4]=I2c_ReadByte(ACK);
+       da[3]=I2c_ReadByte(ACK);
+       da[8]=I2c_ReadByte(ACK);
+       da[7]=I2c_ReadByte(NO_ACK);
+       I2c_StopCondition();
+       return 0;
+}