NXP PCF8576 Universal LCD driver for low multiplex rates + GH08172 LCD library
Dependents: PCF8576_GH08172_test
Diff: PCF8576.h
- Revision:
- 0:e62c6477b73b
- Child:
- 1:427ffdda29a3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PCF8576.h Mon Mar 28 12:40:44 2016 +0000 @@ -0,0 +1,112 @@ +/* Copyright (c) 2016 ARM Ltd., MIT License +* +* 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. +* +* +* PCF8576 Universal LCD driver library +* +* @author Toyomasa Watarai +* @version 1.0 +* @date 28-March-2016 +* +* Library for "PCF8576 Universal LCD driver for low multiplex rates" +* +*/ + +#ifndef PCF8576_H +#define PCF8576_H + +#include "mbed.h" +#include "char_pattern.h" + +#define PCF8576_CMD_MODE_SET 0x40 +#define PCF8576_CMD_LOAD_DATA 0x00 +#define PCF8576_CMD_DEVICE_SEL 0x60 +#define PCF8576_CMD_BANK_SEL 0x78 +#define PCF8576_CMD_BINK 0x70 + +#define PCF8576_DEFAULT_SLAVE_ADDRESS 0x70 + +/** +* PCF8576 Universal LCD driver library example +* +* @code +* #include "PCF8576.h" +* PCF8576 lcd(D14, D15); +* +* int main() { +* lcd.print("mbed"); +* while(1) { +* } +* } +* @endcode +*/ +class PCF8576 { +public: + /** + * PCF8576 constructor + * + * @param sda SDA pin + * @param sdl SCL pin + * @param addr slave address of the I2C peripheral (default: 0x70) + */ + PCF8576(PinName sda, PinName scl, int addr = PCF8576_DEFAULT_SLAVE_ADDRESS); + + /** + * Create a PCF8576 instance which is connected to specified I2C pins + * with specified address + * + * @param i2c_obj I2C object (instance) + * @param addr slave address of the I2C-bus peripheral (default: 0x70) + */ + PCF8576(I2C &i2c_obj, int addr = PCF8576_DEFAULT_SLAVE_ADDRESS); + + /** + * PCF8576 destructor + */ + ~PCF8576(); + + /** Initializa PCF8576 device + * + * Configure LCD setting + * + */ + void initialize(void); + + /** + * Print string + * + * @param str poiner to print string + */ + void print(char *str); + + /** + * Print icon bar + * + * @param level-bar pictogram icon from 0 (all off) to 0xF (all on) + */ + void icon(uint32_t icon); + +private: + I2C m_i2c; + int m_addr; + char m_lcd_buf[14]; + char m_C5_mask; + char m_C6_mask; + +}; + +#endif