Marvas
i2c'li lcd ekran Mehmet Akif ARVAS
Diff: TextLCD.h
- Revision:
- 36:9f5f86dfd44a
- Parent:
- 35:311be6444a39
- Child:
- 37:ce348c002929
--- a/TextLCD.h Fri Oct 10 15:47:56 2014 +0000
+++ b/TextLCD.h Tue Nov 25 19:21:18 2014 +0000
@@ -16,6 +16,7 @@
* 2014, v14: WH, Added support for PT6314 (VFD), added setOrient() method for supported devices (eg SSD1803, US2066), added Double Height lines for supported devices,
* added 16 UDCs for supported devices (eg PCF2103), moved UDC defines to TextLCD_UDC file, added TextLCD_Config.h for feature and footprint settings.
* 2014, v15: WH, Added AC780 support, added I2C expander modules, fixed setBacklight() for inverted logic modules. Fixed bug in LCD_SPI_N define
+ * 2014, v16: WH, Added ST7070 and KS0073 support, added setIcon(), clrIcon() and setInvert() method for supported devices
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@@ -116,12 +117,13 @@
// Interface encoded in b31..b24
#define LCD_C_BUS_MSK 0xFF000000
#define LCD_C_PAR 0x01000000 /*Parallel 4 or 8 bit data, E pin, RS pin, RW=GND */
-#define LCD_C_SPI3_9 0x02000000 /*SPI 3 line (MOSI, SCL, CS pins), 9 bits (RS + 8 Data) */
-#define LCD_C_SPI3_10 0x04000000 /*SPI 3 line (MOSI, SCL, CS pins), 10 bits (RS, RW + 8 Data) */
-#define LCD_C_SPI3_16 0x08000000 /*SPI 3 line (MOSI, SCL, CS pins), 16 bits (RS, RW + 8 Data) */
-#define LCD_C_SPI3_24 0x10000000 /*SPI 3 line (MOSI, SCL, CS pins), 24 bits (RS, RW + 8 Data) */
-#define LCD_C_SPI4 0x20000000 /*SPI 4 line (MOSI, SCL, CS, RS pin), RS pin + 8 Data */
-#define LCD_C_I2C 0x40000000 /*I2C (SDA, SCL pin), 8 control bits (Co, RS, RW) + 8 Data */
+#define LCD_C_SPI3_8 0x02000000 /*SPI 3 line (MOSI, SCL, CS pins), 8 bits (Count Command initiates Data transfer) */
+#define LCD_C_SPI3_9 0x04000000 /*SPI 3 line (MOSI, SCL, CS pins), 9 bits (RS + 8 Data) */
+#define LCD_C_SPI3_10 0x08000000 /*SPI 3 line (MOSI, SCL, CS pins), 10 bits (RS, RW + 8 Data) */
+#define LCD_C_SPI3_16 0x10000000 /*SPI 3 line (MOSI, SCL, CS pins), 16 bits (RS, RW + 8 Data) */
+#define LCD_C_SPI3_24 0x20000000 /*SPI 3 line (MOSI, SCL, CS pins), 24 bits (RS, RW + 8 Data) */
+#define LCD_C_SPI4 0x40000000 /*SPI 4 line (MOSI, SCL, CS, RS pin), RS pin + 8 Data */
+#define LCD_C_I2C 0x80000000 /*I2C (SDA, SCL pin), 8 control bits (Co, RS, RW) + 8 Data */
// Features encoded in b23..b16
#define LCD_C_FTR_MSK 0x00FF0000
#define LCD_C_BST 0x00010000 /*Booster */
@@ -157,11 +159,11 @@
LCD8x2B = (LCD_T_D | LCD_T_C8 | LCD_T_R2), /**< 8x2 LCD panel (actually 16x1) */
LCD12x1 = (LCD_T_A | LCD_T_C12 | LCD_T_R1), /**< 12x1 LCD panel */
LCD12x2 = (LCD_T_A | LCD_T_C12 | LCD_T_R2), /**< 12x2 LCD panel */
- LCD12x3D = (LCD_T_D | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode PCF21XX */
- LCD12x3D1 = (LCD_T_D1 | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode PCF21XX */
+ LCD12x3D = (LCD_T_D | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode PCF21XX, KS0073 */
+ LCD12x3D1 = (LCD_T_D1 | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode PCF21XX, KS0073 */
// LCD12x3G = (LCD_T_G | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode ST7036 */
LCD12x4 = (LCD_T_A | LCD_T_C12 | LCD_T_R4), /**< 12x4 LCD panel */
- LCD12x4D = (LCD_T_B | LCD_T_C12 | LCD_T_R4), /**< 12x4 LCD panel, special mode PCF21XX */
+ LCD12x4D = (LCD_T_B | LCD_T_C12 | LCD_T_R4), /**< 12x4 LCD panel, special mode PCF21XX, KS0073 */
LCD16x1 = (LCD_T_A | LCD_T_C16 | LCD_T_R1), /**< 16x1 LCD panel */
LCD16x1C = (LCD_T_C | LCD_T_C16 | LCD_T_R1), /**< 16x1 LCD panel (actually 8x2) */
LCD16x2 = (LCD_T_A | LCD_T_C16 | LCD_T_R2), /**< 16x2 LCD panel (default) */
@@ -203,7 +205,7 @@
ST7036_5V = 3 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< ST7036 5V no Booster, 4/8 bit, SPI4, I2C */
ST7032_3V3 = 4 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< ST7032 3V3 with Booster, 4/8 bit, SPI4, I2C */
ST7032_5V = 5 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_CTR), /**< ST7032 5V no Booster, 4/8 bit, SPI4, I2C */
- KS0078 = 6 | (LCD_C_PAR | LCD_C_SPI3_24), /**< KS0078 24x4 support, 4/8 bit, SPI3 */
+ KS0078 = 6 | (LCD_C_PAR | LCD_C_SPI3_24 | LCD_C_PDN), /**< KS0078 24x4 support, 4/8 bit, SPI3 */
PCF2103_3V3 = 7 | (LCD_C_PAR | LCD_C_I2C), /**< PCF2103 3V3 no Booster, 4/8 bit, I2C */
PCF2113_3V3 = 8 | (LCD_C_PAR | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< PCF2113 3V3 with Booster, 4/8 bit, I2C */
PCF2116_3V3 = 9 | (LCD_C_PAR | LCD_C_I2C | LCD_C_BST), /**< PCF2116 3V3 with Booster, 4/8 bit, I2C */
@@ -215,8 +217,10 @@
// SSD1803_5V = 15 | (LCD_C_PAR | LCD_C_SPI3_24 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR | LCD_C_PDN), /**< SSD1803 3V3 with Booster, 4/8 bit, I2C, SPI3 */
US2066_3V3 = 16 | (LCD_C_PAR | LCD_C_SPI3_24 | LCD_C_I2C | LCD_C_CTR | LCD_C_PDN), /**< US2066/SSD1311 3V3, 4/8 bit, I2C, SPI3 */
PT6314 = 17 | (LCD_C_PAR | LCD_C_SPI3_16 | LCD_C_CTR), /**< PT6314 VFD, 4/8 bit, SPI3 */
- AC780 = 18 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_PDN) /**< AC780/KS0066i 4/8 bit, SPI, I2C */
-// WS0012 = 19 | (LCD_C_PAR | LCD_C_SPI3_10 | LCD_C_I2C | LCD_C_PDN) /**< WS0012 4/8 bit, SPI, I2C */
+ AC780 = 18 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_PDN), /**< AC780/KS0066i 4/8 bit, SPI, I2C */
+// WS0012 = 19 | (LCD_C_PAR | LCD_C_SPI3_10 | LCD_C_I2C | LCD_C_PDN), /**< WS0012 4/8 bit, SPI, I2C */
+ ST7070 = 20 | (LCD_C_PAR | LCD_C_SPI3_8 | LCD_C_SPI4), /**< ST7070 4/8 bit, SPI3 */
+ KS0073 = 21 | (LCD_C_PAR | LCD_C_SPI3_24 | LCD_C_PDN) /**< KS0073 4/8 bit, SPI3 */
};
@@ -304,7 +308,7 @@
*
* @param column The horizontal position from the left, indexed from 0
* @param row The vertical position from the top, indexed from 0
- * @param return The memoryaddress of screen column and row location
+ * @return The memoryaddress of screen column and row location
*/
int getAddress(int column, int row);
@@ -321,13 +325,13 @@
/** Return the number of rows
*
- * @param return The number of rows
+ * @return The number of rows
*/
int rows();
/** Return the number of columns
*
- * @param return The number of columns
+ * @return The number of columns
*/
int columns();
@@ -356,7 +360,7 @@
*/
void setUDC(unsigned char c, char *udc_data);
- /** Set UDC Blink
+ /** Set UDC Blink and Icon blink
* setUDCBlink method is supported by some compatible devices (eg SSD1803)
*
* @param blinkMode The Blink mode (BlinkOff, BlinkOn)
@@ -397,11 +401,32 @@
*/
void setBigFont(LCDBigFont lines);
-//test
-// void _initCtrl();
-// int _column;
-// int _row;
-
+ /** Set Icons
+ *
+ * @param unsigned char idx The Index of the icon pattern (0..15) for KS0073 and similar controllers
+ * and Index (0..31) for PCF2103 and similar controllers
+ * @param unsigned char data The bitpattern for the icons (6 lsb for KS0073 bitpattern (5 lsb for KS0078) and 2 msb for blinkmode)
+ * The bitpattern for the PCF2103 icons is 5 lsb (UDC 0..2) and 5 lsb for blinkmode (UDC 4..6)
+ */
+ void setIcon(unsigned char idx, unsigned char data);
+
+ /** Clear Icons
+ *
+ * @param none
+ * @return none
+ */
+ //@TODO Add support for 40x4 dual controller
+ void clrIcon();
+
+ /** Set Invert
+ * setInvert method is supported by some compatible devices (eg KS0073) to swap between black and white
+ *
+ * @param bool invertOn Invert on/off
+ * @return none
+ */
+ //@TODO Add support for 40x4 dual controller
+ void setInvert(bool invertOn);
+
protected:
/** LCD controller select, mainly used for LCD40x4
@@ -411,6 +436,12 @@
_LCDCtrl_1, /*< Secondary */
};
+ /** LCD Datalength control to select between 4 or 8 bit data/commands, used for native Serial interface */
+ enum _LCDDatalength {
+ _LCD_DL_4 = 0x00, /**< Datalength 4 bit */
+ _LCD_DL_8 = 0x10 /**< Datalength 8 bit */
+ };
+
/** Create a TextLCD_Base interface
* @brief Base class, can not be instantiated
*
@@ -423,13 +454,21 @@
virtual int _putc(int value);
virtual int _getc();
-/** Low level method for LCD controller
+/** Medium level initialisation method for LCD controller
+ * @param _LCDDatalength dl sets the datalength of data/commands
+ * @return none
*/
- void _init();
+ void _init(_LCDDatalength dl = _LCD_DL_4);
/** Low level initialisation method for LCD controller
+ * Set number of lines, fonttype, no cursor etc
+ * The controller is accessed in 4-bit parallel mode either directly via mbed pins or through I2C or SPI expander.
+ * Some controllers also support native I2C or SPI interfaces.
+ *
+ * @param _LCDDatalength dl sets the 4 or 8 bit datalength of data/commands. Required for some native serial modes.
+ * @return none
*/
- void _initCtrl();
+ void _initCtrl(_LCDDatalength dl = _LCD_DL_4);
/** Low level character address set method
*/
@@ -509,13 +548,12 @@
int _row;
LCDCursor _currentCursor;
-// Function mode saved to allow switch between Instruction sets after initialisation time
+// Function modes saved to allow switch between Instruction sets after initialisation time
+ int _function, _function_1, _function_x;
+
// Icon, Booster mode and contrast saved to allow contrast change at later time
// Only available for controllers with added features
- int _function, _function_1, _function_x;
- int _icon_power;
- int _contrast;
-
+ int _icon_power, _contrast;
};
//--------- End TextLCD_Base -----------
@@ -760,6 +798,67 @@
//---------- End TextLCD_SPI_N ------------
+//-------- Start TextLCD_SPI_N_3_8 --------
+#if(LCD_SPI_N_3_8 == 1) /* Native SPI bus */
+
+class TextLCD_SPI_N_3_8 : public TextLCD_Base {
+public:
+ /** Create a TextLCD interface using a controller with a native SPI3 8 bits interface
+ * This mode is supported by ST7070. Note that implementation in TexTLCD is not very efficient due to
+ * structure of the TextLCD library: each databyte is written separately and requires a separate 'count command' set to 1 byte.
+ *
+ * @param spi SPI Bus
+ * @param cs chip select pin (active low)
+ * @param type Sets the panel size/addressing mode (default = LCD16x2)
+ * @param bl Backlight control line (optional, default = NC)
+ * @param ctrl LCD controller (default = ST7070)
+ */
+ TextLCD_SPI_N_3_8(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = ST7070);
+
+ virtual ~TextLCD_SPI_N_3_8(void);
+
+private:
+
+/** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
+ * Set the Enable pin.
+ */
+ virtual void _setEnable(bool value);
+
+/** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
+ * Set the RS pin (0 = Command, 1 = Data).
+ */
+ virtual void _setRS(bool value);
+
+/** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
+ * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
+ */
+ virtual void _setBL(bool value);
+
+/** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
+ * Set the databus value (4 bit).
+ */
+ virtual void _setData(int value);
+
+/** Low level writes to LCD serial bus only (serial native)
+ */
+ virtual void _writeByte(int value);
+
+// SPI bus
+ SPI *_spi;
+ DigitalOut _cs;
+
+// controlbyte to select between data and command. Internal value for serial bus only
+ char _controlbyte;
+
+//Backlight
+ DigitalOut *_bl;
+};
+
+#endif /* Native SPI bus */
+//------- End TextLCD_SPI_N_3_8 -----------
+
+
+
//------- Start TextLCD_SPI_N_3_9 ---------
#if(LCD_SPI_N_3_9 == 1) /* Native SPI bus */
//Code checked out on logic analyser. Not yet tested on hardware..
@@ -811,7 +910,6 @@
// SPI bus
SPI *_spi;
DigitalOut _cs;
-
// controlbyte to select between data and command. Internal value for serial bus only
char _controlbyte;
@@ -873,8 +971,7 @@
// SPI bus
SPI *_spi;
DigitalOut _cs;
-
-
+
// controlbyte to select between data and command. Internal value for serial bus only
char _controlbyte;