Change from 16 to 24 Byte Config Code

[owSlave2.git] / common / I2C / CDM7160.c

diff --git a/common/I2C/CDM7160.c b/common/I2C/CDM7160.c
new file mode 100644 (file)
index 0000000..65fc393
--- /dev/null
+++ b/common/I2C/CDM7160.c
@@ -0,0 +1,137 @@
+// Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de\r
+// All rights reserved.\r
+//\r
+// Redistribution and use in source and binary forms, with or without\r
+// modification, are permitted provided that the following conditions are\r
+// met:\r
+//\r
+//  * Redistributions of source code must retain the above copyright\r
+//    notice, this list of conditions and the following disclaimer.\r
+//  * Redistributions in binary form must reproduce the above copyright\r
+//    notice, this list of conditions and the following disclaimer in the\r
+//    documentation and/or other materials provided with the\r
+//    distribution.\r
+//  * All advertising materials mentioning features or use of this\r
+//    software must display the following acknowledgement: This product\r
+//    includes software developed by tm3d.de and its contributors.\r
+//  * Neither the name of tm3d.de nor the names of its contributors may\r
+//    be used to endorse or promote products derived from this software\r
+//    without specific prior written permission.\r
+//\r
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\r
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\r
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\r
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\r
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\r
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
+#define F_CPU 8000000UL\r
+#include <avr/io.h>\r
+\r
+#include <util/delay.h>\r
+\r
+\r
+#include "USI_TWI_Master.h"\r
+#include "CDM7160.h"\r
+\r
+\r
+\r
+\r
+uint16_t CDM7160getCO2_() {\r
+       volatile uint8_t b1,b2;\r
+       while((PINA&(1<<PINA0))!=0);\r
+       I2c_StartCondition();\r
+       I2c_WriteByte(0b11010010);\r
+       I2c_WriteByte(0x03);\r
+       I2c_StartCondition();\r
+       I2c_WriteByte (0b11010011);\r
+       b1 =I2c_ReadByte(ACK);\r
+       b2 =I2c_ReadByte(NO_ACK);\r
+       I2c_StopCondition();\r
+       \r
+       return b1|(b2<<8);\r
+       \r
+       \r
+\r
+}\r
+uint16_t CDM7160getCO2() {\r
+       volatile uint8_t b[16],i;\r
+       while((PINA&(1<<PINA0))!=0);\r
+       I2c_StartCondition();\r
+       I2c_WriteByte(0b11010010);\r
+       I2c_WriteByte(0x00);\r
+       I2c_StartCondition();\r
+       I2c_WriteByte (0b11010011);\r
+       for(i=0;i<15;i++) {\r
+               b[i] =I2c_ReadByte(ACK);\r
+       }\r
+       b[15] =I2c_ReadByte(NO_ACK);\r
+       I2c_StopCondition();\r
+       \r
+       return b[3]|(b[4]<<8);\r
+       \r
+       \r
+\r
+}\r
+\r
+void CDM7160setMode(uint8_t mode) {\r
+       while((PINA&(1<<PINA0))!=0);\r
+       I2c_StartCondition();\r
+       I2c_WriteByte(0b11010010);\r
+       I2c_WriteByte(0x01);\r
+       I2c_StartCondition();\r
+       I2c_WriteByte (0b11010011);\r
+       uint8_t b =I2c_ReadByte(NO_ACK);\r
+       I2c_StopCondition();\r
+       _delay_ms(2);\r
+       b&=0xFC;\r
+       b|=(mode<<1)&0x3;\r
+       I2c_StartCondition();\r
+       I2c_WriteByte(0b11010010);\r
+       I2c_WriteByte(0x01);\r
+       I2c_WriteByte(b);\r
+       I2c_StopCondition();\r
+}\r
+\r
+void CDM7160softReset() {\r
+       while((PINA&(1<<PINA0))!=0);\r
+       I2c_StartCondition();\r
+       I2c_WriteByte(0b11010010);\r
+       I2c_WriteByte(0x00);\r
+       I2c_WriteByte(0x01);\r
+       I2c_StopCondition();\r
+}\r
+\r
+\r
+void CDM7160setFMode(uint8_t fmode) //Set Filtermode 0 average, 1 IIR\r
+{\r
+       while((PINA&(1<<PINA0))!=0);\r
+       I2c_StartCondition();\r
+       I2c_WriteByte(0b11010010);\r
+       I2c_WriteByte(0x01);\r
+       I2c_StartCondition();\r
+       I2c_WriteByte (0b11010011);\r
+       volatile uint8_t b =I2c_ReadByte(NO_ACK);\r
+       I2c_StopCondition();\r
+       _delay_ms(2);\r
+       b&=0xFB;\r
+       b|=((fmode&1)<<2);\r
+       I2c_StartCondition();\r
+       I2c_WriteByte(0b11010010);\r
+       I2c_WriteByte(0x01);\r
+       I2c_WriteByte(b);\r
+       I2c_StopCondition();\r
+}\r
+void CDM7160setAvCount(uint8_t count) {//Set the Averaging count\r
+       while((PINA&(   1<<PINA0))!=0);\r
+       I2c_StartCondition();\r
+       I2c_WriteByte(0b11010010);\r
+       I2c_WriteByte(0x07);\r
+       I2c_WriteByte(count&0x3F);\r
+       I2c_StopCondition();\r
+\r
+}; \r