-// Copyright (c) 2015, 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 "MAX44009.h"
-
-double MAX44009getlux(uint8_t nr) {
- volatile uint8_t b1,b2;
- nr=(nr<<1)&0x02f;
-
- I2c_StartCondition();
- I2c_WriteByte(0b10010100|nr);
- I2c_WriteByte(0x03);
- I2c_StartCondition();
- I2c_WriteByte (0b10010101|nr);
- b1 =I2c_ReadByte(NO_ACK);
- I2c_StopCondition();
- I2c_StartCondition();
- I2c_WriteByte(0b10010100|nr);
- I2c_WriteByte(0x04);
- I2c_StartCondition();
- I2c_WriteByte (0b10010101|nr);
- b2 =I2c_ReadByte(NO_ACK);
- I2c_StopCondition();
- uint8_t exponent = (b1 & 0xF0) >> 4;// upper four bits of high byte register
- uint8_t mantissa = (b1 & 0x0F) << 4;// lower four bits of high byte register =
- // upper four bits of mantissa
- mantissa += b2 & 0x0F; // lower four bits of low byte register =
- // lower four bits of mantissa
-
- return (double)mantissa * (double)(1 << (uint16_t)exponent) * 0.045;
-
-
-
-}
+// 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 "TWI_Master.h"\r
+#include "MAX44009.h"\r
+\r
+uint8_t checkMAX44009(uint8_t nr) {\r
+ volatile uint8_t b1;\r
+ nr=(nr<<1)&0x02f;\r
+ \r
+ I2c_StartCondition();\r
+ I2c_WriteByte(0b10010100|nr);\r
+ I2c_WriteByte(0x03);\r
+ I2c_StartCondition();\r
+ I2c_WriteByte (0b10010101|nr);\r
+ b1 =I2c_ReadByte(NO_ACK);\r
+ I2c_StopCondition();\r
+ return b1!=0xFF;\r
+ \r
+}\r
+\r
+\r
+double MAX44009getlux(uint8_t nr) {\r
+ volatile uint8_t b1,b2;\r
+ nr=(nr<<1)&0x02f;\r
+ \r
+ I2c_StartCondition();\r
+ I2c_WriteByte(0b10010100|nr);\r
+ I2c_WriteByte(0x03);\r
+ I2c_StartCondition();\r
+ I2c_WriteByte (0b10010101|nr);\r
+ b1 =I2c_ReadByte(NO_ACK);\r
+ I2c_StopCondition();\r
+ I2c_StartCondition();\r
+ I2c_WriteByte(0b10010100|nr);\r
+ I2c_WriteByte(0x04);\r
+ I2c_StartCondition();\r
+ I2c_WriteByte (0b10010101|nr);\r
+ b2 =I2c_ReadByte(NO_ACK);\r
+ I2c_StopCondition();\r
+ uint8_t exponent = (b1 & 0xF0) >> 4;// upper four bits of high byte register\r
+ uint8_t mantissa = (b1 & 0x0F) << 4;// lower four bits of high byte register =\r
+ // upper four bits of mantissa\r
+ mantissa += b2 & 0x0F; // lower four bits of low byte register =\r
+ // lower four bits of mantissa\r
+ \r
+ return (double)mantissa * (double)(1 << (uint16_t)exponent) * 0.045;\r
+ \r
+ \r
+\r
+}\r
tm3d / owSlave2.git / blobdiff