Revision 0:1c9f9768e990, committed 2013-12-11

Comitter:

bant62

Date:

Wed Dec 11 13:19:46 2013 +0000

Child:

1:1ae1e21ba67f

Commit message:

first commit

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/My7SEG.cpp	Wed Dec 11 13:19:46 2013 +0000
@@ -0,0 +1,158 @@
+/**
+ *****************************************************************************
+ * File Name    : My7SEG.cpp
+ *
+ * Title        : ORGINAL I2C LCD Display Claass Source File
+ * Revision     : 0.1
+ * Notes        :
+ * Target Board : mbed NXP LPC1768, mbed LPC1114FN28  etc
+ * Tool Chain   : ????
+ *
+ * Revision History:
+ * When         Who         Description of change
+ * -----------  ----------- -----------------------
+ * 2012/12/11   Hiroshi M   init
+ *****************************************************************************
+ *
+ * Copyright (C) 2013 Hiroshi M, 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.
+ *
+ **/
+
+/* Includes ----------------------------------------------------------------- */
+#include "mbed.h"
+#include "My7SEG.h"
+
+/* Private typedef ---------------------------------------------------------- */
+/* Private define ----------------------------------------------------------- */
+/* Private macro ------------------------------------------------------------ */
+/* Private variables -------------------------------------------------------- */
+/* member fanctions --------------------------------------------------------- */
+
+// Constractor
+My7SEG::My7SEG(I2C *i2c): _i2c(i2c)
+{
+}
+
+int My7SEG::writeBytes(const char *data, int length, bool repeated)
+{
+    wait_us(i2c_bit_wait_us);
+    _i2c->start();
+
+    wait_us(i2c_bit_wait_us);
+    if (_i2c->write(i2c_addr) != 1)
+    {
+        wait_us(i2c_bit_wait_us);
+        _i2c->stop();
+        return _i2cFAILURE;
+    }
+
+    for (int i = 0; i < length; i++)
+    {
+        wait_us(i2c_bit_wait_us);
+        if (_i2c->write(data[i]) != 1)
+        {
+            wait_us(i2c_bit_wait_us);
+            _i2c->stop();
+            return _i2cFAILURE;
+        }
+    }
+    if (!repeated)
+    {
+        wait_us(i2c_bit_wait_us);
+        _i2c->stop();
+    }
+    return _i2cSUCCESS;
+}
+
+int My7SEG::clear(void)
+{
+    char buff[2] = { ESC, 'C' };
+
+    return writeBytes(buff, sizeof(buff));
+}
+
+int My7SEG::shift_left(void)
+{
+    char buff[2] = { ESC, '<' };
+
+    return writeBytes(buff, sizeof(buff));
+}
+
+int My7SEG::shift_right(void)
+{
+    char buff[2] = { ESC, '>' };
+
+    return writeBytes(buff, sizeof(buff));
+}
+
+int My7SEG::rotato_left(void)
+{
+    char buff[2] = { ESC, '[' };
+
+    return writeBytes(buff, sizeof(buff));
+}
+
+int My7SEG::rotato_right(void)
+{
+    char buff[2] = { ESC, ']' };
+
+    return writeBytes(buff, sizeof(buff));
+}
+
+// 一文字表示
+int My7SEG::printChar(char c)
+{
+    return writeBytes(&c, 1);
+}
+
+int My7SEG::printPosChar(int pos, char chr)
+{
+    char buff[4];
+    
+    if( pos < 0 &&  7 < pos )
+    {
+        return _i2cFAILURE;
+    }
+    
+    buff[0] = ESC;
+    buff[1] = 'L';
+    buff[2] = '0' + pos;
+    buff[3] = chr;
+
+    return writeBytes(buff, sizeof(buff));
+}
+
+int My7SEG::printStr(const char *s)
+{
+    int ret;
+    char c;
+
+    ret = _i2cSUCCESS;
+    while ((c = *s++)!=NULL)
+    {
+        ret = writeBytes(&c, 1);
+        if (ret == _i2cFAILURE)
+        {
+            return ret;
+        }
+    }
+
+    return ret;
+}
+
+///////////////////////////////////////////////

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/My7SEG.h	Wed Dec 11 13:19:46 2013 +0000
@@ -0,0 +1,79 @@
+/**
+ *****************************************************************************
+ * File Name    : My7SEG.h
+ *
+ * Title        : ORGINAL I2C LCD Display Claass Header File
+ * Revision     : 0.1
+ * Notes        :
+ * Target Board : mbed NXP LPC1768, mbed LPC1114FN28  etc
+ * Tool Chain   : ????
+ *
+ * Revision History:
+ * When         Who         Description of change
+ * -----------  ----------- -----------------------
+ * 2012/12/06   Hiroshi M   init
+ *****************************************************************************
+ *
+ * Copyright (C) 2013 Hiroshi M, 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.
+ *
+ **/
+
+#ifndef __My7SEG_H_
+#define __My7SEG_H_
+
+/* Includes ----------------------------------------------------------------- */
+#include "mbed.h"
+/* typedef ------------------------------------------------------------------ */
+
+/* define ------------------------------------------------------------------- */
+#define ESC             0x1B
+#define I2C_ADDR_MY7SEG  0x33
+#define _i2cSUCCESS     0
+#define _i2cFAILURE     1
+
+/* macro -------------------------------------------------------------------- */
+/* variables ---------------------------------------------------------------- */
+/* class -------------------------------------------------------------------- */
+class My7SEG
+{
+private:
+    static const int i2c_addr = I2C_ADDR_MY7SEG << 1;
+    static const int i2c_bit_wait_us = 20;
+    static const int i2c_command_wait_ms = 4;
+
+    I2C *_i2c;
+    int writeBytes(const char *data, int length, bool repeated=false);
+
+protected:
+
+
+public:
+    My7SEG(I2C *i2c);
+
+    int clear(void);
+    int shift_left(void);
+    int shift_right(void);
+    int rotato_left(void);
+    int rotato_right(void);
+    int printChar(char c);
+    int printPosChar(int pos, char chr);
+    int printStr(const char *s);
+
+};
+
+#endif /* __My7SEG_H_ */