Diff: AQM1602.hpp

Revision:

0:f177013dc4fc

Child:

1:18cd1c4212c3

diff -r 000000000000 -r f177013dc4fc AQM1602.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AQM1602.hpp	Fri Jun 05 06:43:51 2015 +0000
@@ -0,0 +1,69 @@
+//-------------------------------------------------------
+//  Class for LCD, AQM1602XA-RN-GBW (Header)
+//
+//
+//  Default pin assignments
+//      D14  SDA ---- to pin4 of LCD module
+//      D15  SCL ---- to pin3 of LCD module
+//
+//  Assignment of I2C ports
+//                SDA                SCL
+//      I2C1   PB_7 or PB_9(D14)  PB_6(D10) or PB_8(D15)
+//      I2C2   PB_3(D3)           PB_10(D6)
+//      I2C3   PB_4(D5) or PC_9   PA_8(D7)
+//
+//  2014/05/30, Copyright (c) 2015 MIKAMI, Naoki
+//-------------------------------------------------------
+
+#ifndef AQM1602I2C_HPP
+#define AQM1602I2C_HPP
+
+#include "mbed.h"
+
+namespace Mikami
+{
+    class Aqm1602
+    {
+    public:
+        // Constructor
+        Aqm1602(PinName sda = D14,          // SDA
+                PinName scl = D15,          // SCL
+                uint32_t clock = 100000,    // clock: 100 kHz
+                bool cursor = false,        // cursor:  off
+                bool blink = false);        // blink:   off
+
+        // All clear
+        void Clear();
+        // Send command
+        void WriteCmd(uint8_t cmd) { LcdTx(0x00, cmd); }
+        // Write character (Not 0x80 but 0x40)
+        void WriteChar(char data) { LcdTx(0x40, data); }
+        // Specify display position, x: 0 - 7, y: 0, 1
+        void SetXY(uint8_t x = 0, uint8_t y = 0)
+        { WriteCmd(x + y*0x40 | 0x80);}
+        // Write string
+        void WriteString(const char str[]);
+        // Write string from specified position
+        void WriteStringXY(const char str[], uint8_t x, uint8_t);
+        // Clear of specified line
+        void ClearLine(uint8_t line);
+//        { WriteStringXY("        ", 0, line); }
+        void SetContrast(uint8_t c);
+
+    private:
+        // Slave address of AQM0802A
+        //      left-justified 7-bit address
+        static const uint8_t LCD_ADDRESS_ = 0x7C;
+        static const uint8_t N_CHR = 16;
+
+        I2C i2c_;               // Object of I2C
+
+        void LcdTx(uint8_t cmdData, uint8_t data);
+
+        // Forbid to use copy constructor
+        Aqm1602(const Aqm1602&);
+        // Forbid to use substitution operator
+        Aqm1602& operator=(const Aqm1602&);
+    };
+}
+#endif  // AQM0802I2C_HPP