Revision 8:661827681a12, committed 2014-02-15

Comitter:

takuo

Date:

Sat Feb 15 13:48:55 2014 +0000

Parent:

7:728c03b52b79

Commit message:

Revised the documents

Changed in this revision

--- a/ACM1602NI.cpp	Sat Jan 18 02:27:30 2014 +0000
+++ b/ACM1602NI.cpp	Sat Feb 15 13:48:55 2014 +0000
@@ -20,18 +20,15 @@
 #define I2C_SUCCESS 0
 #define I2C_FAILURE 1
 
-ACM1602NI::ACM1602NI(PinName sda, PinName scl) : _i2c(sda, scl)
-{
+ACM1602NI::ACM1602NI(PinName sda, PinName scl) : _i2c(sda, scl) {
     init();
 }
 
-ACM1602NI::ACM1602NI(I2C &i2c) : _i2c(i2c)
-{
+ACM1602NI::ACM1602NI(I2C &i2c) : _i2c(i2c) {
     init();
 }
 
-void ACM1602NI::init()
-{
+void ACM1602NI::init() {
     writeCommand(0x01);
     wait_ms(i2c_command_wait_ms);
     writeCommand(0x38);
@@ -43,8 +40,7 @@
     locate(0, 0);
 }
 
-int ACM1602NI::writeBytes(const char *data, int length, bool repeated)
-{
+int ACM1602NI::writeBytes(const char *data, int length, bool repeated) {
     wait_us(i2c_bit_wait_us);
     _i2c.start();
     for (int i = 0; i < length; i++) {
@@ -62,31 +58,28 @@
     return I2C_SUCCESS;
 }
 
-void ACM1602NI::character(int column, int row, int c)
-{
+void ACM1602NI::character(int column, int row, int c) {
     writeCommand(address(column, row));
     writeData(c);
 }
 
-void ACM1602NI::cls()
-{
+void ACM1602NI::cls() {
     writeCommand(0x01);
     wait_ms(i2c_command_wait_ms);
     locate(0, 0);
 }
 
-void ACM1602NI::locate(int column, int row)
-{
+void ACM1602NI::locate(int column, int row) {
     _column = column;
     _row = row;
 }
 
-int ACM1602NI::_putc(int value)
-{
+int ACM1602NI::_putc(int value) {
     if (value == '\n') {
         _column = 0;
         _row = (_row + 1) % rows();
-    } else {
+    }
+    else {
         character(_column, _row, value);
         _column++;
         if (_column >= columns()) {
@@ -97,34 +90,28 @@
     return value;
 }
 
-int ACM1602NI::_getc()
-{
+int ACM1602NI::_getc() {
     return -1;
 }
 
-void ACM1602NI::writeCommand(int command)
-{
+void ACM1602NI::writeCommand(char command) {
     char bs[3] = { i2c_addr, 0x00, command };
     writeBytes(bs, 3);
 }
 
-void ACM1602NI::writeData(int data)
-{
+void ACM1602NI::writeData(char data) {
     char bs[3] = { i2c_addr, 0x80, data };
     writeBytes(bs, 3);
 }
 
-int ACM1602NI::address(int column, int row)
-{
+int ACM1602NI::address(int column, int row) {
     return 0x80 + row * 0x40 + column;
 }
 
-int ACM1602NI::columns()
-{
+int ACM1602NI::columns() {
     return display_columns;
 }
 
-int ACM1602NI::rows()
-{
+int ACM1602NI::rows() {
     return display_rows;
 }

--- a/ACM1602NI.h	Sat Jan 18 02:27:30 2014 +0000
+++ b/ACM1602NI.h	Sat Feb 15 13:48:55 2014 +0000
@@ -23,12 +23,15 @@
  * The device does not work with default I2C library due to its slow I2C responce.
  * This library adds some extra waits so that the device can answer to the I2C commands.
  * The interface is basically the same as TextLCD by Simon Ford.
+ * 
+ * This LCD device is manufactured by Xiamen Zettler Electronics Co. Ltd. and distributed by
+ * Akizuki Denshi Tsusho Co. Ltd.
+ * http://akizukidenshi.com/catalog/g/gP-05693/
+ * http://akizukidenshi.com/download/ds/xiamen/ACM1602NI-FLW-FBW-M01_DISPLAYTRONIC_%20SPEC%20VER1.2.pdf
  *
  * Example:
  * @code
  * #include "mbed.h"
- *
- * // I2C Text LCD: http://mbed.org/users/takuo/code/ACM1602NI/
  * #include "ACM1602NI.h"
  *
  * // I2C pins: p9 = sda, p10 = scl
@@ -38,15 +41,13 @@
  * // I2C i2c(p9, p10);
  * // ACM1602NI lcd(i2c);
  *
- * int main()
- * {
+ * int main() {
  *     lcd.printf("Hello, World!\n");
  *     lcd.printf("ACM1602NI\n");
  * }
  * @endcode
  */
-class ACM1602NI : public Stream
-{
+class ACM1602NI : public Stream {
 public:
     /** Create an ACM1602NI object connected to the specified I2C pins.
      *
@@ -78,6 +79,21 @@
     int rows();
     int columns();
 
+#if DOXYGEN_ONLY
+    /** Write a character to the LCD
+     *
+     * @param c The character to write to the display
+     */
+    int putc(int c);
+
+    /** Write a formated string to the LCD
+     *
+     * @param format A printf-style format string, followed by the
+     *               variables to use in formating the string.
+     */
+    int printf(const char* format, ...);
+#endif
+
 protected:
     static const int i2c_addr = 0x50 << 1;
     static const int i2c_bit_wait_us = 20;
@@ -94,9 +110,10 @@
 
     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);
+    void writeCommand(char command);
+    void writeData(char data);
 };
 
 #endif