Diff: SAA1064.h

Revision:

1:e6f764285b44

Parent:

0:8b1f83a2ae0a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SAA1064.h	Mon Apr 20 07:36:41 2015 +0000
@@ -0,0 +1,83 @@
+/* SAA1064 4 Digit Library
+ * Copyright (c) 2015 Marcel (mc-b) Bernet
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef _SAA1064_H
+#define _SAA1064_H
+
+//Address Defines for SAA1064
+#define SAA1064_SA0 0x70
+#define SAA1064_SA1 0x72
+#define SAA1064_SA2 0x74
+#define SAA1064_SA3 0x76
+
+//Defines for Segments
+const uint8_t SAA1064_SEGM[] = {0xE7,  //0
+                                0x84,  //1
+                                0xD3,  //2
+                                0xD6,  //3
+                                0xB4,  //4
+                                0x76,  //5
+                                0x77,  //6
+                                0xC4,  //7
+                                0xF7,  //8
+                                0xF6,  //9
+                                0xF5,  //A
+                                0x37,  //B
+                                0x13,  //C
+                                0x97,  //D
+                                0x73,  //E
+                                0x71
+                               }; //F
+
+/** Create an SAA1064 object connected to the specified I2C bus and deviceAddress
+*/
+class SAA1064
+{
+public:
+
+    /** Create a SAA1064 LED displaydriver object using a specified I2C bus and slaveaddress
+     *
+     * @param sda Pin
+     * @param scl Pin
+     * @param char deviceAddress the address of the SAA1064
+    */
+    SAA1064( PinName sda = D14, PinName scl = D15, uint8_t deviceAddress = SAA1064_SA0 );
+
+    SAA1064( I2C* i2c, uint8_t deviceAddress = SAA1064_SA0 );
+
+    /** Write digits
+    *
+    * @param digit1  LED segment pattern for digit1 (MSB)
+    * @param digit2  LED segment pattern for digit2
+    * @param digit3  LED segment pattern for digit3
+    * @param digit4  LED segment pattern for digit4 (LSB)
+    */
+    void write(uint8_t digit1, uint8_t digit2, uint8_t digit3, uint8_t digit4);
+
+    /** Write Integer
+    *
+    * @param value     integer value to display, valid range -999...9999
+    */
+    void writeInt( int value );
+
+protected:
+    void init( void );
+
+    I2C *i2c;                    //I2C bus reference
+    uint8_t slaveAddress;        //I2C Slave address of device
+    uint8_t data[6];
+};
+
+#endif
\ No newline at end of file