X-Git-Url: http://git.smho.de/gw/?p=owSlave2.git;a=blobdiff_plain;f=common%2FI2C%2FAPDS9960.c;fp=common%2FI2C%2FAPDS9960.c;h=92df22e33e84c22bbd744e23d10f246c30e37cb6;hp=0000000000000000000000000000000000000000;hb=2490e261a78b2a98ee2a9b8fc19cb3f20225926b;hpb=45806622c08cded7d77c9c9735c433de5f7fa027 diff --git a/common/I2C/APDS9960.c b/common/I2C/APDS9960.c new file mode 100644 index 0000000..92df22e --- /dev/null +++ b/common/I2C/APDS9960.c @@ -0,0 +1,138 @@ +// 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 + +#include + + +#include "USI_TWI_Master.h" +#include "APDS9960.h" + +#define WC 0b01110010 +#define RC 0b01110011 + +int8_t initAPDS9960() { + I2c_StartCondition(); + I2c_WriteByte(WC); + I2c_WriteByte(0x80); + I2c_StartCondition(); + I2c_WriteByte (RC); + uint8_t b1 =I2c_ReadByte(NO_ACK); + I2c_StopCondition(); + if (b1==0xFF) return 0; else { + I2c_StartCondition(); + I2c_WriteByte(WC); + I2c_WriteByte(0x80); + I2c_WriteByte(0x0B); //ALS Enable PowerON + I2c_StopCondition(); + } + return 1; +} +void APDS9960setATime(uint8_t ATime) { + I2c_StartCondition(); + I2c_WriteByte(WC); + I2c_WriteByte(0x81); + I2c_WriteByte(ATime); + I2c_StopCondition(); +} +void APDS9960setGain(uint8_t Gain) { + I2c_StartCondition(); + I2c_WriteByte(WC); + I2c_WriteByte(0x8F); + I2c_WriteByte(Gain&0x03); + I2c_StopCondition(); +} +uint8_t APDS9960getAVALID() {return 0;} +uint8_t APDS9960getASAT() {return 0;} + +void APDS9960getRGBC(uint16_t* R,uint16_t* G,uint16_t* B,uint16_t* C) { + I2c_StartCondition(); + I2c_WriteByte(WC); + I2c_WriteByte(0x94); + I2c_StartCondition(); + I2c_WriteByte (RC); + *C=I2c_ReadByte(ACK)|I2c_ReadByte(ACK)<<8; + *R=I2c_ReadByte(ACK)|I2c_ReadByte(ACK)<<8; + *G=I2c_ReadByte(ACK)|I2c_ReadByte(ACK)<<8; + *B=I2c_ReadByte(ACK)|I2c_ReadByte(NO_ACK)<<8; + I2c_StopCondition(); +} + + +/* +uint8_t checkMAX44009(uint8_t nr) { + volatile uint8_t b1; + 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(); + return b1!=0xFF; + +} + + +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; + + + +} +*/ \ No newline at end of file