Diff: PCF8576.h

Revision:

0:e62c6477b73b

Child:

1:427ffdda29a3

diff -r 000000000000 -r e62c6477b73b PCF8576.h
--- /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