X-Git-Url: https://git.smho.de/gw/?p=owSlave2.git;a=blobdiff_plain;f=common%2FI2C%2FMAX44009.c;h=426098e84afd0ab4172916f54eedd48aa905204c;hp=8ec682d5cef1ee0cf6011d6d465be84d58921737;hb=4df4c7ba2c95a48e95873b1f3a93d62ed9727eba;hpb=28c2911a7459ae2977c0cb0228c0ca2af1c345bf

diff --git a/common/I2C/MAX44009.c b/common/I2C/MAX44009.c
index 8ec682d..426098e 100644
--- a/common/I2C/MAX44009.c
+++ b/common/I2C/MAX44009.c
@@ -38,6 +38,22 @@
 #include "USI_TWI_Master.h"
 #include "MAX44009.h"
 
+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;