An I2C text LCD library for Displaytronic ACM1602NI-FLW-FBW-M01 MOD by Zak
Fork of ACM1602NI by
ACM1602NI.h
- Committer:
- takuo
- Date:
- 2013-05-13
- Revision:
- 3:bac80efb323e
- Parent:
- 2:6a201d126c69
- Child:
- 4:33a8ca14e0e0
File content as of revision 3:bac80efb323e:
/* An I2C text LCD library for Displaytronic ACM1602NI-FLW-FBW-M01 * Copyright 2013, Takuo WATANABE (wtakuo) * * 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 ACM1602NI_H #define ACM1602NI_H #include "mbed.h" /** An I2C text LCD library for Displaytronic ACM1602NI-FLW-FBW-M01. * The interface is basically the same as TextLCD by Simon Ford. * * @code * #include "mbed.h" * #include "ACM1602NI.h" * * I2C i2c(p9, p10); * ACM1602NI lcd(i2c); * * int main() { * lcd.printf("Hello, World!\n"); * } * @endcode */ class ACM1602NI : public Stream { public: /** Create an ACM1602NI object connected to the specified I2C port. * * @param i2c The I2C port to connect to */ ACM1602NI(I2C &i2c); /** Locate to a screen column and row * * @param column The horizontal position from the left, indexed from 0 * @param row The vertical position from the top, indexed from 0 */ void locate(int column, int row); /** Clear the screen and locate to 0,0 */ void cls(); int rows(); int columns(); protected: virtual int _putc(int value); virtual int _getc(); void init(); int address(int column, int raw); void character(int column, int row, int c); int writeBytes(const char *data, int length, bool repeated = false); void writeCommand(int command); void writeData(int data); static const int i2c_addr = 0x50 << 1; static const int i2c_bit_wait_us = 20; static const int i2c_command_wait_ms = 4; static const int display_columns = 16; static const int display_rows = 2; I2C &_i2c; int _column, _row; }; #endif