SAA1064 4 Digit Library
SAA1064 4 Digit Library for SMD IoTKit Shield
SAA1064.h
- Committer:
- marcel1691
- Date:
- 2015-04-20
- Revision:
- 1:e6f764285b44
- Parent:
- SAA1064/SAA1064.h@ 0:8b1f83a2ae0a
File content as of revision 1:e6f764285b44:
/* 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