Diff: YGE25i.cpp

Revision:

0:288363538e78

Child:

1:892cfa205088

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/YGE25i.cpp	Sat Nov 27 21:00:12 2010 +0000
@@ -0,0 +1,103 @@
+/**
+ * @section LICENSE
+ *
+ * Copyright (c) 2010 Christian Zagel
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @section DESCRIPTION
+ *
+ * YGE25i Regler
+ *
+ */
+
+/**
+ * Includes
+ */
+#include "YGE25i.h"
+
+YGE25i::YGE25i(PinName sda, PinName scl,int adress_) : i2c_(sda, scl)
+{
+    //200kHz, normal mode.
+    i2c_.frequency(200000);
+    adress=adress_;
+    save_.attach(this,&YGE25i::YGESetPWMSave,0.75);
+    int a=34;
+    while(a>0)
+    {
+    wait_ms(1);
+    YGESetPWM(0);
+    a--;
+    }  
+}
+
+char YGE25i::YGEReadReg(char reg)
+{
+    char rx;
+    reg=reg|0x80;
+    int ack=1;
+    ack=i2c_.write(adress & 0xFE, &reg, 1);
+    if(ack!=0){return 255;}
+    ack=i2c_.read(adress | 0x01, &rx, 1);
+    if(ack!=0){return 255;}
+    return rx;
+
+}
+
+int YGE25i::YGEWriteReg(char reg, char data)
+{
+    char tx[2];
+    int ack=1; 
+    tx[0] = reg|0x80;
+    tx[1] = data;
+    
+    ack=i2c_.write(adress & 0xFE, tx, 2);
+    if(ack!=0){return 255;}
+    else 
+    return 0;
+    
+}
+
+
+int YGE25i::YGESetPWM( char pwm_)
+{
+    pwm=pwm_;
+    char tx;
+    tx=pwm_ & 0x7f;
+    int ack;    
+    ack=i2c_.write(adress & 0xFE, &tx, 1);
+    if(ack!=0){return 255;}
+    else
+    return 0;
+
+}  
+
+void YGE25i::setAdress(int adress_)
+{
+    adress=adress_;
+ }
+ 
+void YGE25i::YGESetPWMSave(void)
+ {
+    char tx;
+    tx=pwm & 0x7f;   
+    i2c_.write(adress & 0xFE, &tx, 1);
+}  
+    
+    
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