fixed compiler warnings
Fork of TextLCD by
Diff: TextLCD.cpp
- Revision:
- 36:9f5f86dfd44a
- Parent:
- 35:311be6444a39
- Child:
- 37:ce348c002929
diff -r 311be6444a39 -r 9f5f86dfd44a TextLCD.cpp --- a/TextLCD.cpp Fri Oct 10 15:47:56 2014 +0000 +++ b/TextLCD.cpp 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 @@ -58,21 +59,22 @@ _addr_mode = _type & LCD_T_ADR_MSK; } - /** Init the LCD Controller(s) * Clear display + * @param _LCDDatalength dl sets the datalength of data/commands + * @return none */ -void TextLCD_Base::_init() { +void TextLCD_Base::_init(_LCDDatalength dl) { // Select and configure second LCD controller when needed if(_type==LCD40x4) { _ctrl_idx=_LCDCtrl_1; // Select 2nd controller - _initCtrl(); // Init 2nd controller + _initCtrl(dl); // Init 2nd controller } // Select and configure primary LCD controller _ctrl_idx=_LCDCtrl_0; // Select primary controller - _initCtrl(); // Init primary controller + _initCtrl(dl); // Init primary controller // Clear whole display and Reset Cursor location // Note: This will make sure that some 3-line displays that skip topline of a 4-line configuration @@ -81,14 +83,19 @@ } /** Init the LCD controller - * 4-bit mode, number of lines, fonttype, no cursor etc + * 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 * * Note: some configurations are commented out because they have not yet been tested due to lack of hardware */ -void TextLCD_Base::_initCtrl() { +void TextLCD_Base::_initCtrl(_LCDDatalength dl) { int _bias_lines=0; // Set Bias and lines (Instr Set 1), temporary variable. int _lines=0; // Set lines (Ext Instr Set), temporary variable. - + this->_setRS(false); // command mode wait_ms(20); // Wait 20ms to ensure powered up @@ -124,6 +131,115 @@ // Device specific initialisations: DC/DC converter to generate VLCD or VLED, number of lines etc switch (_ctrl) { + case KS0073: + // Initialise Display configuration + switch (_type) { + case LCD8x1: //8x1 is a regular 1 line display + case LCD12x1: + case LCD16x1: + case LCD20x1: + case LCD24x1: +// case LCD32x1: // EXT pin is High, extension driver needed +// case LCD40x1: // EXT pin is High, extension driver needed + _function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs) + // DL=0 (4 bits bus) + // N=0 (1-line mode, N=1 2-line mode) + // RE=0 (Dis. Extended Regs, special mode for KS0073) + // DH=1 (Disp shift enable, special mode for KS0073) + // REV=0 (Reverse normal, special mode for KS0073) + + _function_1 = 0x04; // Function set 001 DL N RE(1) BE LP (Ext Regs) + // DL=0 (4 bits bus) + // N=0 (1-line mode, N=1 2-line mode) + // RE=1 (Ena Extended Regs, special mode for KS0073) + // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073) + // LP=0 (LP=1 Low power mode, LP=0 Normal) + + _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) + // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073) + break; + +// case LCD12x3D: // Special mode for KS0073, KS0078 and PCF21XX +// case LCD12x3D1: // Special mode for KS0073, KS0078 and PCF21XX + case LCD12x4D: // Special mode for KS0073, KS0078 and PCF21XX +// case LCD16x3D: // Special mode for KS0073, KS0078 +// case LCD16x4D: // Special mode for KS0073, KS0078 + case LCD20x4D: // Special mode for KS0073, KS0078 + _function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs) + // DL=0 (4 bits bus) + // N=0 (dont care for 4 line mode) + // RE=0 (Dis. Extended Regs, special mode for KS0073) + // DH=1 (Disp shift enable, special mode for KS0073) + // REV=0 (Reverse normal, special mode for KS0073) + + _function_1 = 0x04; // Function set 001 DL N RE(1) BE LP (Ext Regs) + // DL=0 (4 bits bus) + // N=0 (1-line mode), N=1 (2-line mode) + // RE=1 (Ena Extended Regs, special mode for KS0073) + // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073) + // LP=0 (LP=1 Low power mode, LP=0 Normal) + + _function_x = 0x01; // Ext Function set 0000 1 FW BW NW (Ext Regs) + // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073) + break; + + + case LCD16x3G: // Special mode for ST7036 +// case LCD24x3D: // Special mode for KS0078 +// case LCD24x3D1: // Special mode for KS0078 + case LCD24x4D: // Special mode for KS0078 + error("Error: LCD Controller type does not support this Display type\n\r"); + break; + + default: + // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) + _function = 0x0A; // Function set 001 DL N RE(0) DH REV (Std Regs) + // DL=0 (4 bits bus) + // N=1 (2-line mode), N=0 (1-line mode) + // RE=0 (Dis. Extended Regs, special mode for KS0073) + // DH=1 (Disp shift enable, special mode for KS0073) + // REV=0 (Reverse normal, special mode for KS0073) + + _function_1 = 0x0C; // Function set 001 DL N RE(1) BE LP (Ext Regs) + // DL=0 (4 bits bus) + // N=1 (2 line mode), N=0 (1-line mode) + // RE=1 (Ena Extended Regs, special mode for KS0073) + // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073) + // LP=0 (LP=1 Low power mode, LP=0 Normal) + + _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) + // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073) + break; + } // switch type + + // init special features + _writeCommand(0x20 | _function_1);// Function set 001 DL N RE(1) BE LP (Ext Regs) + // DL=0 (4 bits bus), DL=1 (8 bits mode) + // N=0 (1 line mode), N=1 (2 line mode) + // RE=1 (Ena Extended Regs, special mode for KS0073) + // BE=0 (Blink Enable/Disable, CG/SEG RAM, special mode for KS0073) + // LP=0 (LP=1 Low power mode, LP=0 Normal) + + _writeCommand(0x08 | _function_x); // Ext Function set 0000 1 FW BW NW (Ext Regs) + // FW=0 (5-dot font, special mode for KS0073) + // BW=0 (Cur BW invert disable, special mode for KS0073) + // NW=0 (1,2 Line), NW=1 (4 line, special mode for KS0073) + + _writeCommand(0x10); // Scroll/Shift set 0001 DS/HS4 DS/HS3 DS/HS2 DS/HS1 (Ext Regs) + // Dotscroll/Display shift enable (Special mode for KS0073) + + _writeCommand(0x80); // Scroll Quantity set 1 0 SQ5 SQ4 SQ3 SQ2 SQ1 SQ0 (Ext Regs) + // Scroll quantity (Special mode for KS0073) + + _writeCommand(0x20 | _function); // Function set 001 DL N RE(0) DH REV (Std Regs) + // DL=0 (4 bits bus), DL=1 (8 bits mode) + // N=0 (1 line mode), N=1 (2 line mode) + // RE=0 (Dis. Extended Regs, special mode for KS0073) + // DH=1 (Disp shift enable/disable, special mode for KS0073) + // REV=0 (Reverse/Normal, special mode for KS0073) + break; // case KS0073 Controller + + case KS0078: // Initialise Display configuration switch (_type) { @@ -151,11 +267,12 @@ // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0078) break; -// case LCD12x3D: // Special mode for KS0078 and PCF21XX -// case LCD12x3D1: // Special mode for KS0078 and PCF21XX -// case LCD12x4D: // Special mode for KS0078 and PCF21XX -// case LCD16x3D: // Special mode for KS0078 -// case LCD16x4D: // Special mode for KS0078 +// case LCD12x3D: // Special mode for KS0073, KS0078 and PCF21XX +// case LCD12x3D1: // Special mode for KS0073, KS0078 and PCF21XX +// case LCD12x4D: // Special mode for KS0073, KS0078 and PCF21XX +// case LCD16x3D: // Special mode for KS0073, KS0078 +// case LCD16x4D: // Special mode for KS0073, KS0078 +// case LCD20x4D: // Special mode for KS0073, KS0078 // case LCD24x3D: // Special mode for KS0078 // case LCD24x3D1: // Special mode for KS0078 case LCD24x4D: // Special mode for KS0078 @@ -273,11 +390,13 @@ if (_ctrl == ST7032_3V3) { - _icon_power = 0x04; // Icon display off, Booster circuit is turned on (IS=1) +// _icon_power = 0x04; // Icon display off, Booster circuit is turned on (IS=1) + _icon_power = 0x0C; // Icon display on, Booster circuit is turned on (IS=1) // Saved to allow contrast change at later time } else { - _icon_power = 0x00; // Icon display off, Booster circuit is turned off (IS=1) +// _icon_power = 0x00; // Icon display off, Booster circuit is turned off (IS=1) + _icon_power = 0x08; // Icon display on, Booster circuit is turned off (IS=1) // Saved to allow contrast change at later time } _writeCommand(0x50 | _icon_power | ((_contrast >> 4) & 0x03)); // Set Icon, Booster and Contrast High bits, 0 1 0 1 Ion Bon C5 C4 (IS=1) @@ -347,11 +466,13 @@ _writeCommand(0x70 | (_contrast & 0x0F)); // Set Contrast, 0 1 1 1 C3 C2 C1 C0 (Instr Set 1) if (_ctrl == ST7036_3V3) { - _icon_power = 0x04; // Set Icon, Booster, Contrast High bits, 0 1 0 1 Ion=0 Bon=1 C5 C4 (Instr Set 1) + _icon_power = 0x0C; // Set Icon, Booster, Contrast High bits, 0 1 0 1 Ion=1 Bon=1 C5 C4 (Instr Set 1) +// _icon_power = 0x04; // Set Icon, Booster, Contrast High bits, 0 1 0 1 Ion=0 Bon=1 C5 C4 (Instr Set 1) // Saved to allow contrast change at later time } else { - _icon_power = 0x00; // Set Icon, Booster, Contrast High bits, 0 1 0 1 Ion=0 Bon=0 C5 C4 (Instr Set 1) + _icon_power = 0x08; // Set Icon, Booster, Contrast High bits, 0 1 0 1 Ion=1 Bon=0 C5 C4 (Instr Set 1) +// _icon_power = 0x00; // Set Icon, Booster, Contrast High bits, 0 1 0 1 Ion=0 Bon=0 C5 C4 (Instr Set 1) } _writeCommand(0x50 | _icon_power | ((_contrast >> 4) & 0x03)); // Set Contrast C5, C4 (Instr Set 1) @@ -364,7 +485,52 @@ break; // case ST7036_3V3 Controller // case ST7036_5V Controller - + + case ST7070: + // Initialise Display configuration + switch (_type) { + case LCD8x1: //8x1 is a regular 1 line display + case LCD8x2B: //8x2D is a special case of 16x1 +// case LCD12x1: + case LCD16x1: + case LCD24x1: + _function = dl | 0x00; // Set function, 0 0 1 DL=0 (4-bit Databus), N=0 (1 Line), EXT=0, x, x + // Note: 4 bit mode is NOT ignored for native SPI ! + // Saved to allow switch between Instruction sets at later time + break; + +// case LCD12x3D1: // Special mode for KS0078 and PCF21XX +// case LCD16x3D1: // Special mode for SSD1803 + case LCD12x4D: // Special mode for PCF2116 + case LCD24x4D: // Special mode for KS0078 +// case LCD12x3G: // Special mode for ST7036 + case LCD16x3G: // Special mode for ST7036 + error("Error: LCD Controller type does not support this Display type\n\r"); + break; + + default: + // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) + _function = dl | 0x08; // Set function, 0 0 1 DL, N=1 (2 Line), EXT=0, x, x + // Note: 4 bit mode is NOT ignored for native SPI ! + // Saved to allow switch between Instruction sets at later time + break; + } // switch type + +// _writeCommand(0x00); // NOP, make sure to sync SPI + + // init special features + _writeCommand(0x20 | _function | 0x04); // Set function, 0 0 1 DL N EXT=1 x x (Select Instr Set = 1) + + _writeCommand(0x04 | 0x00); // Set Bias resistors 0 0 0 0 0 1 Rb1,Rb0= 0 0 (Extern Res) (Instr Set 1) + + _writeCommand(0x40 | 0x00); // COM/SEG directions 0 1 0 0 C1, C2, S1, S2 (Instr Set 1) + // C1=1: Com1-8 -> Com8-1; C2=1: Com9-16 -> Com16-9 + // S1=1: Seg1-40 -> Seg40-1; S2=1: Seg41-80 -> Seg80-41 + + _writeCommand(0x20 | _function); // Set function, EXT=0 (Select Instr Set = 0) + + break; // case ST7070 Controller + case SSD1803_3V3: // SSD1803 controller: Initialise Voltage booster for VLCD. VDD=3V3 // Note: supports 1,2, 3 or 4 lines @@ -457,6 +623,7 @@ // Note: 4 bit mode is ignored for native SPI and I2C devices // N=1 2 line / 4 Line // DH=0 Double Height disable + // RE=0 // IS=0 _function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV @@ -465,6 +632,7 @@ // Note: 4 bit mode is ignored for native SPI and I2C devices // N=1 2 line / 4 Line // BE=0 Blink Enable off, special feature of SSD1803 + // RE=1 // REV=0 Reverse off, special feature of SSD1803 _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW @@ -494,7 +662,8 @@ _contrast = LCD_SSD1_CONTRAST; _writeCommand(0x70 | (_contrast & 0x0F)); // Set Contrast 0 1 1 1 C3, C2, C1, C0 (Instr Set 1) - _icon_power = 0x04; // Icon off, Booster on (Instr Set 1) +// _icon_power = 0x04; // Icon off, Booster on (Instr Set 1) + _icon_power = 0x0C; // Icon on, Booster on (Instr Set 1) // Saved to allow contrast change at later time _writeCommand(0x50 | _icon_power | ((_contrast >> 4) & 0x03)); // Set Power, Icon and Contrast, 0 1 0 1 Ion Bon C5 C4 (Instr Set 1) wait_ms(10); // Wait 10ms to ensure powered up @@ -558,6 +727,7 @@ _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 +#if(0) // Select CG RAM _writeCommand(0x40); //Set CG-RAM address, 8 sequential locations needed per UDC // Store UDC/Icon pattern: @@ -567,7 +737,7 @@ // _writeData(0x1F); // All On _writeData(0x00); // All Off } - +#endif break; // case PCF2103_3V3 Controller case PCF2113_3V3: @@ -1088,6 +1258,7 @@ // _writeCommand(0x0C); // Display Ctrl 0000 1 D C B // // Display On, Cursor Off, Blink Off + setCursor(CurOff_BlkOff); setMode(DispOn); } @@ -1280,7 +1451,7 @@ * * @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 TextLCD_Base::getAddress(int column, int row) { @@ -1335,7 +1506,7 @@ // return 0x00 + (row * 40) + column; case LCD_T_D: - //Alternate addressing mode for 3 and 4 row displays (except 40x4). Used by PCF21XX, KS0078, SSD1803 + //Alternate addressing mode for 3 and 4 row displays (except 40x4). Used by PCF21XX, KS0073, KS0078, SSD1803 //The 4 available rows start at a hardcoded address. //Displays top rows when less than four are used. switch (row) { @@ -1353,7 +1524,7 @@ } case LCD_T_D1: - //Alternate addressing mode for 3 row displays. Used by PCF21XX, KS0078, SSD1803 + //Alternate addressing mode for 3 row displays. Used by PCF21XX, KS0073, KS0078, SSD1803 //The 4 available rows start at a hardcoded address. //Skips top row of 4 row display and starts display at row 1 switch (row) { @@ -1455,16 +1626,16 @@ if (column < 0) { _column = 0; } - else if (column >= columns()) { - _column = columns() - 1; + else if (column >= _nr_cols) { + _column = _nr_cols - 1; } else _column = column; // Sanity Check row if (row < 0) { _row = 0; } - else if (row >= rows()) { - _row = rows() - 1; + else if (row >= _nr_rows) { + _row = _nr_rows - 1; } else _row = row; @@ -1479,7 +1650,7 @@ /** Return the number of columns * - * @param return The number of columns + * @return The number of columns * * Note: some configurations are commented out because they have not yet been tested due to lack of hardware */ @@ -1492,7 +1663,7 @@ /** Return the number of rows * - * @param return The number of rows + * @return The number of rows * * Note: some configurations are commented out because they have not yet been tested due to lack of hardware */ @@ -1560,13 +1731,20 @@ } } - /** Low level method to restore the cursortype and display mode for current controller */ -void TextLCD_Base::_setCursorAndDisplayMode(LCDMode displayMode, LCDCursor cursorType) { - - // Configure current LCD controller - _writeCommand(0x08 | displayMode | cursorType); +void TextLCD_Base::_setCursorAndDisplayMode(LCDMode displayMode, LCDCursor cursorType) { + + // Configure current LCD controller + switch (_ctrl) { + case ST7070: + //ST7070 does not support Cursorblink. The P bit selects the font instead ! + _writeCommand(0x08 | displayMode | (cursorType & 0x02)); + break; + default: + _writeCommand(0x08 | displayMode | cursorType); + break; + } //switch } /** Set the Backlight mode @@ -1664,15 +1842,15 @@ _writeCommand(0x80 | addr); } -/** 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) */ void TextLCD_Base::setUDCBlink(LCDBlink blinkMode){ - // Blinking UDCs are enabled when a specific controlbit (BE) is set. - // The blinking pixels in the UDC can be controlled by setting additional bits in the UDC bitpattern. - // UDCs are defined by an 8 byte bitpattern. The P0..P5 form the character pattern. + // Blinking UDCs (and icons) are enabled when a specific controlbit (BE) is set. + // The blinking pixels in the UDC and icons can be controlled by setting additional bits in the UDC or icon bitpattern. + // UDCs are defined by an 8 byte bitpattern. The P0..P4 form the character pattern. // P7 P6 P5 P4 P3 P2 P1 P0 // 0 B1 B0 x 0 1 1 1 0 // 1 B1 B0 x 1 0 0 0 1 @@ -1684,61 +1862,89 @@ // 0 0 No Blinking in this row of the UDC // 0 1 Enabled pixels in P4 will blink // 1 x Enabled pixels in P0..P4 will blink - + // + // Note: the PCF2103 and PCF2113 use UDCs to set Icons + // 3 x 8 rows x 5 bits = 120 bits Icons for Normal pattern (UDC 0..2) and + // 3 x 8 rows x 5 bits = 120 bits Icons for Blink pattern (UDC 4..6) + // Note: the PCF2119 uses UDCs to set Icons + // 4 x 8 rows x 5 bits = 160 bits Icons for Normal pattern (UDC 0..3) and + // 4 x 8 rows x 5 bits = 160 bits Icons for Blink pattern (UDC 4..7) switch (blinkMode) { case BlinkOn: - // Controllers that support UDC Blink + // Controllers that support UDC/Icon Blink switch (_ctrl) { + case KS0073 : case KS0078 : - _function_1 |= 0x02; // Enable UDC Blink - _writeCommand(0x20 | _function_1); // Function set 0 0 1 DL N RE(1) BE 0 (Ext Regs) + _function_1 |= 0x02; // Enable UDC/Icon Blink + _writeCommand(0x20 | _function_1); // Function set 0 0 1 DL N RE(1) BE 0/LP (Ext Regs) _writeCommand(0x20 | _function); // Function set 0 0 1 DL N RE(0) DH REV (Std Regs) - break; // case KS0078 Controller + break; // case KS0073, KS0078 Controller case US2066_3V3 : case SSD1803_3V3 : - _function_1 |= 0x04; // Enable UDC Blink + _function_1 |= 0x04; // Enable UDC/Icon Blink _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV // Select Ext Instr Set _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 // Select Std Instr set, Select IS=0 break; // case SSD1803, US2066 + + case PCF2103_3V3 : + case PCF2113_3V3 : + case PCF2119_3V3 : + // Enable Icon Blink + _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 + _writeCommand(0x08 | 0x02); // ICON Conf 0000 1, IM=0 (Char mode), IB=1 (Icon blink), 0 (Instr. Set 1) + _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 + + break; default: //Unsupported feature for other controllers break; } //switch _ctrl - break; + break; // BlinkOn case BlinkOff: // Controllers that support UDC Blink switch (_ctrl) { + case KS0073 : case KS0078 : - _function_1 &= ~0x02; // Disable UDC Blink - _writeCommand(0x20 | _function_1); // Function set 0 0 1 DL N RE(1) BE 0 (Ext Regs) + _function_1 &= ~0x02; // Disable UDC/Icon Blink + _writeCommand(0x20 | _function_1); // Function set 0 0 1 DL N RE(1) BE 0/LP (Ext Regs) _writeCommand(0x20 | _function); // Function set 0 0 1 DL N RE(0) DH REV (Std Regs) - break; // case KS0078 Controller + break; // case KS0073, KS0078 Controller case US2066_3V3 : case SSD1803_3V3 : - _function_1 &= ~0x04; // Disable UDC Blink + _function_1 &= ~0x04; // Disable UDC/Icon Blink _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV // Select Ext Instr Set _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 // Select Std Instr set, Select IS=0 break; // case SSD1803, US2066 + + case PCF2103_3V3 : + case PCF2113_3V3 : + case PCF2119_3V3 : + // Disable Icon Blink + _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 + _writeCommand(0x08); // ICON Conf 0000 1, IM=0 (Char mode), IB=1 (Icon blink), 0 (Instr. Set 1) + _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 + + break; default: //Unsupported feature for other controllers break; } //switch _ctrl - break; + break; //BlinkOff default: break; @@ -1844,6 +2050,7 @@ wait_ms(10); // Wait 10ms to ensure powered up break; + case KS0073: case KS0078: case SSD1803_3V3 : // case SSD1803_5V : @@ -1874,6 +2081,7 @@ _writeCommand(0x13); // Char mode, DC/DC off break; + case KS0073: case KS0078: case SSD1803_3V3 : // case SSD1803_5V : @@ -1922,6 +2130,18 @@ _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 // Select Std Instr set, Select IS=0 break; + + case ST7070: + _writeCommand(0x20 | _function | 0x04); // Set function, 0 0 1 DL, N, EXT=1, x, x (Select Instr Set = 1) + + _writeCommand(0x40 | 0x00); // COM/SEG directions 0 1 0 0 C1, C2, S1, S2 (Instr Set 1) + // C1=1: Com1-8 -> Com8-1; C2=1: Com9-16 -> Com16-9 + // S1=1: Seg1-40 -> Seg40-1; S2=1: Seg41-80 -> Seg80-41 + wait_ms(5); // Wait to ensure completion or ST7070 fails to set Top/Bottom after reset.. + + _writeCommand(0x20 | _function); // Set function, EXT=0 (Select Instr Set = 0) + + break; // case ST7070 Controller default: //Unsupported feature for other controllers @@ -1952,6 +2172,23 @@ _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 // Select Std Instr set, Select IS=0 break; + + case ST7070: + //Note: this does not result in correct top/bottom view. + //The left and right half of each row are reversed and the addressing of both rows is also incorrect: + //Top/bottomline when orientation is flipped: + // 0x48...0x4F 0x40...0x47 + // 0x08...0x0F 0x00...0x07 + _writeCommand(0x20 | _function | 0x04); // Set function, 0 0 1 DL N EXT=1 x x (Select Instr Set = 1) + + _writeCommand(0x40 | 0x0F); // COM/SEG directions 0 1 0 0 C1, C2, S1, S2 (Instr Set 1) + // C1=1: Com1-8 -> Com8-1; C2=1: Com9-16 -> Com16-9 + // S1=1: Seg1-40 -> Seg40-1; S2=1: Seg41-80 -> Seg80-41 + wait_ms(5); // Wait to ensure completion or ST7070 fails to set Top/Bottom after reset.. + + _writeCommand(0x20 | _function); // Set function, EXT=0 (Select Instr Set = 0) + + break; // case ST7070 Controller default: //Unsupported feature for other controllers @@ -1963,7 +2200,6 @@ } // end switch orient } // end setOrient() - /** Set Big Font * setBigFont method is supported by some compatible devices (eg SSD1803, US2066) * @@ -2080,6 +2316,294 @@ } // end setBigFont() + +/** 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 TextLCD_Base::setIcon(unsigned char idx, unsigned char data) { + // Blinking icons are enabled when a specific controlbit (BE) is set. + // The blinking pixels in the icons can be controlled by setting additional bits in the icon bitpattern. + // Icons are defined by a byte bitpattern. The P0..P5 form the Icon pattern for KS0073, and P0..P4 for KS0078 + // P7 P6 P5 P4 P3 P2 P1 P0 + // 0 B1 B0 0 0 1 1 1 0 + // 1 B1 B0 1 1 0 0 0 1 + // ............. + // 15 B1 B0 1 1 0 0 0 1 + // + // Bit 6 and Bit 7 in the pattern will control the blinking mode when Blink is enabled through BE. + // B1 B0 Mode + // 0 0 No Blinking for this icon row + // 0 1 Enabled pixels in P5 will blink + // 1 x Enabled pixels in P0..P5 will blink + // + // Note: the PCF2103 and PCF2113 use UDCs to set Icons + // 3 x 8 rows x 5 bits = 120 bits Icons for Normal pattern (UDC 0..2) and + // 3 x 8 rows x 5 bits = 120 bits Icons for Blink pattern (UDC 4..6) + // Note: the PCF2119 uses UDCs to set Icons + // 4 x 8 rows x 5 bits = 160 bits Icons for Normal pattern (UDC 0..3) and + // 4 x 8 rows x 5 bits = 160 bits Icons for Blink pattern (UDC 4..7) + + switch (_ctrl) { + case KS0073: + case KS0078: + _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N RE(1) BE LP + // Select Extended Instruction Set + _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Ext Instr Set) + + _writeData(data); // Set Icon pattern (Ext Instr Set) + + _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Instruction Set 0 + // Select Std Instr set, Select IS=0 + break; // end KS0073, KS0078 + + case ST7032_3V3: + case ST7032_5V: + _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N F 0 IS=1 Select Instr Set = 1 + _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Instr Set 1) + + _writeData(data & 0x1F); // Set Icon pattern, no blink support (Instr Set 1) + + _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Instruction Set 0 + // Select Std Instr set, Select IS=0 + break; // end ST7032 + + case ST7036_3V3: + case ST7036_5V: + _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH IS2,IS1 = 01 (Select Instr Set = 1) + _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Instr Set 1) + + _writeData(data & 0x1F); // Set Icon pattern, no blink support (Instr Set 1) + + _writeCommand(0x20 | _function); // Set function, IS2,IS1 = 00 (Select Instr Set = 0) + // Select Std Instr set, Select IS=0 + break; // end ST7036 + + case SSD1803_3V3: +// case SSD1803_5V: + _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH RE(0) IS + // Select Instruction Set 1 + _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Instr Set = 1) + _writeData(data); // Set Icon pattern (Instr Set = 1) + + _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS + // Select IS=0 + break; // end SSD1803 + + case PCF2103_3V3: + case PCF2113_3V3: + case PCF2119_3V3: + // Store UDC/Icon pattern for PCF2103 and PCF2113: + // 3 x 8 rows x 5 bits = 120 bits for Normal pattern (UDC 0..2) and + // 3 x 8 rows x 5 bits = 120 bits for Blink pattern (UDC 4..6) + // Store UDC/Icon pattern for PCF2119: + // 4 x 8 rows x 5 bits = 160 bits for Normal pattern (UDC 0..3) and + // 4 x 8 rows x 5 bits = 160 bits for Blink pattern (UDC 4..7) + _writeCommand(0x40 | (idx & 0x3F)); //Set CG-RAM address, 8 sequential locations needed per UDC + _writeData(data); // Set Icon pattern (Instr Set = 1) + break; // case PCF2103_3V3 Controller + + default: + break; // end default + } // end switch _ctrl + + //Select DD RAM again for current LCD controller and restore the addresspointer + int addr = getAddress(_column, _row); + _writeCommand(0x80 | addr); + +} // end setIcon() + +/** Clear Icons + * + * @param none + * @return none + */ + //@TODO Add support for 40x4 dual controller +void TextLCD_Base::clrIcon() { + // Icons are defined by a byte bitpattern. The P0..P5 form the Icon pattern for KS0073, and P0..P4 for KS0078 + // P7 P6 P5 P4 P3 P2 P1 P0 + // 0 B1 B0 0 0 0 0 0 0 + // 1 B1 B0 0 0 0 0 0 0 + // ............. + // 15 B1 B0 0 0 0 0 0 0 + // + // Bit 6 and Bit 7 in the pattern will control the blinking mode when Blink is enabled through BE. + // B1 B0 Mode + // 0 0 No Blinking for this icon row + // 0 1 Enabled pixels in P5 will blink + // 1 x Enabled pixels in P0..P5 will blink + // + // Note: the PCF2103 and PCF2113 use UDCs to set Icons + // 3 x 8 rows x 5 bits = 120 bits Icons for Normal pattern (UDC 0..2) and + // 3 x 8 rows x 5 bits = 120 bits Icons for Blink pattern (UDC 4..6) + // Note: the PCF2119 uses UDCs to set Icons + // 4 x 8 rows x 5 bits = 160 bits Icons for Normal pattern (UDC 0..3) and + // 4 x 8 rows x 5 bits = 160 bits Icons for Blink pattern (UDC 4..7) + int idx; + + switch (_ctrl) { + case KS0073: + case KS0078: + _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N RE(1) BE LP + // Select Extended Instruction Set + for (idx=0; idx<16; idx++) { + _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Ext Instr Set) + _writeData(0x00); // Clear Icon pattern (Ext Instr Set) + } + _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Std Instruction Set + // Select Std Instr set + break; // end KS0073, KS0078 + + case ST7032_3V3: + case ST7032_5V: + _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N F 0 IS=1 Select Instr Set = 1 + + for (idx=0; idx<16; idx++) { + _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Instr Set 1) + _writeData(0x00); // Clear Icon pattern (Instr Set 1) + } + + _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Instruction Set 0 + // Select Std Instr set, Select IS=0 + break; // end ST7032 + + case ST7036_3V3: + case ST7036_5V: + _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH IS2,IS1 = 01 (Select Instr Set = 1) + + for (idx=0; idx<16; idx++) { + _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Instr Set 1) + _writeData(0x00); // Clear Icon pattern (Instr Set 1) + } + + _writeCommand(0x20 | _function); // Set function, IS2,IS1 = 00 (Select Instr Set = 0) + // Select Std Instr set, Select IS=0 + break; // end ST7036 + + case SSD1803_3V3: +// case SSD1803_5V: + _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH RE(0) IS + // Select Instruction Set 1 + for (idx=0; idx<16; idx++) { + _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Ext Instr Set) + _writeData(0x00); // Clear Icon pattern (Ext Instr Set) + } + _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS + // Select IS=0 + break; // end SSD1803 + + case PCF2103_3V3: + case PCF2113_3V3: + // PCF2103 and PCF2113 use part of the UDC RAM to control Icons + // Select CG RAM + + _writeCommand(0x40 | (0 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC + // Store UDC/Icon pattern: + // 3 x 8 rows x 5 bits = 120 bits for Normal pattern (UDC 0..2) and + for (int i=0; i<(3 * 8); i++) { +// _writeData(0x1F); // All On + _writeData(0x00); // All Off + } + + _writeCommand(0x40 | (4 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC + // 3 x 8 rows x 5 bits = 120 bits for Blink pattern (UDC 4..6) + for (int i=0; i<(3 * 8); i++) { +// _writeData(0x1F); // All On + _writeData(0x00); // All Off + } + break; // case PCF2103_3V3 Controller + + case PCF2119_3V3: + // PCF2119 uses part of the UDC RAM to control Icons + // Select CG RAM + + _writeCommand(0x40 | (0 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC + // Store UDC/Icon pattern: + // 4 x 8 rows x 5 bits = 160 bits for Normal pattern (UDC 0..3) and + for (int i=0; i<(4 * 8); i++) { +// _writeData(0x1F); // All On + _writeData(0x00); // All Off + } + + _writeCommand(0x40 | (4 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC + // 4 x 8 rows x 5 bits = 160 bits for Blink pattern (UDC 4..7) + for (int i=0; i<(4 * 8); i++) { +// _writeData(0x1F); // All On + _writeData(0x00); // All Off + } + break; // case PCF2119_3V3 Controller + + default: + break; // end default + } // end switch _ctrl + + //Select DD RAM again for current LCD controller and restore the addresspointer + int addr = getAddress(_column, _row); + _writeCommand(0x80 | addr); +} //end 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 TextLCD_Base::setInvert(bool invertOn) { + + if (invertOn) { + // Controllers that support Invert + switch (_ctrl) { + case KS0073: + case KS0078: + _function = _function | 0x01; // Enable Invert + _writeCommand(0x20 | _function); // Activate Invert (Std Instr Set) + break; + case SSD1803_3V3 : +// case SSD1803_5V : + case US2066_3V3: +// case USS2066_5V: + _function_1 = _function_1 | 0x01; // Enable Invert + // Set function, 0 0 1 DL N BE RE(1) REV (SSD1803) + // Set function, 0 0 1 X N BE RE(1) REV (US2066) + _writeCommand(0x20 | _function_1); // Activate Invert (Ext Instr Set) + _writeCommand(0x20 | _function); // Return to Std Instr Set + break; + default: + //Unsupported feature for other controllers + break; + } // end switch + } + else { + // Controllers that support Invert + switch (_ctrl) { + case KS0073: + case KS0078: + _function = _function & ~0x01; // Disable Invert + _writeCommand(0x20 | _function); // Disable Invert (Std Instr Set) + break; + case SSD1803_3V3 : +// case SSD1803_5V : + case US2066_3V3: +// case USS2066_5V: + _function_1 = _function_1 & ~0x01; // Disable Invert + // Set function, 0 0 1 DL N BE RE(1) REV (SSD1803) + // Set function, 0 0 1 X N BE RE(1) REV (US2066) + _writeCommand(0x20 | _function_1); // Activate Invert (Ext Instr Set) + _writeCommand(0x20 | _function); // Return to Std Instr Set + break; + + default: + //Unsupported feature for other controllers + break; + } // end switch + } +} // end setInvert() + //--------- End TextLCD_Base ----------- @@ -2134,7 +2658,6 @@ if (_e2 != NULL) {delete _e2;} // E2 pin } - /** Set E pin (or E2 pin) * Used for mbed pins, I2C bus expander or SPI shiftregister * Default PinName value for E2 is NC, must be used as pointer to avoid issues with mbed lib and DigitalOut pins @@ -2427,12 +2950,11 @@ //Sanity check if (_ctrl & LCD_C_I2C) { - _init(); + _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces } else { error("Error: LCD Controller type does not support native I2C interface\n\r"); } - } TextLCD_I2C_N::~TextLCD_I2C_N() { @@ -2567,7 +3089,7 @@ } // Set RS pin -// Used for mbed pins, I2C bus expander or SPI shiftregister +// Used for mbed pins, I2C bus expander or SPI shiftregister and SPI_N void TextLCD_SPI::_setRS(bool value) { if (value) { @@ -2677,11 +3199,18 @@ // Init CS _cs = 1; + // Setup the spi for 8 bit data, high steady state clock, + // rising edge capture, with a 500KHz or 1MHz clock rate +// _spi->format(8,3); +// _spi->frequency(1000000); + // Setup the spi for 8 bit data, low steady state clock, // rising edge capture, with a 500KHz or 1MHz clock rate _spi->format(8,0); +// _spi->frequency(300000); +// _spi->frequency(500000); _spi->frequency(1000000); - + // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. if (bl != NC) { _bl = new DigitalOut(bl); //Construct new pin @@ -2694,7 +3223,8 @@ //Sanity check if (_ctrl & LCD_C_SPI4) { - _init(); + _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces + // ST7070 must set datalength to 8 bits! } else { error("Error: LCD Controller type does not support native SPI4 interface\n\r"); @@ -2710,7 +3240,7 @@ } // Set RS pin -// Used for mbed pins, I2C bus expander or SPI shiftregister +// Used for mbed pins, I2C bus expander or SPI shiftregister, SPI_N void TextLCD_SPI_N::_setRS(bool value) { _rs = value; } @@ -2738,6 +3268,141 @@ //-------- End TextLCD_SPI_N ------------ +//-------- Start TextLCD_SPI_N_3_8 -------- +#if(LCD_SPI_N_3_8 == 1) /* Native SPI bus */ + + /** 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::TextLCD_SPI_N_3_8(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : + TextLCD_Base(type, ctrl), + _spi(spi), + _cs(cs) { + + // Init CS + _cs = 1; + + // Setup the spi for 8 bit data, high steady state clock, + // rising edge capture, with a 500KHz or 1MHz clock rate +// _spi->format(8,3); +// _spi->frequency(300000); +// _spi->frequency(1000000); + + // Setup the spi for 8 bit data, low steady state clock, + // rising edge capture, with a 500KHz or 1MHz clock rate + _spi->format(8,0); +// _spi->frequency(300000); +// _spi->frequency(500000); + _spi->frequency(1000000); + + + // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. + if (bl != NC) { + _bl = new DigitalOut(bl); //Construct new pin + _bl->write(0); //Deactivate + } + else { + // No Hardware Backlight pin + _bl = NULL; //Construct dummy pin + } + + //Sanity check + if (_ctrl & LCD_C_SPI3_8) { + _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces + } + else { + error("Error: LCD Controller type does not support native SPI3 8 bits interface\n\r"); + } +} + +TextLCD_SPI_N_3_8::~TextLCD_SPI_N_3_8() { + if (_bl != NULL) {delete _bl;} // BL pin +} + +// Not used in this mode +void TextLCD_SPI_N_3_8::_setEnable(bool value) { +} + +// Used for mbed pins, I2C bus expander or SPI shiftregister, SPI_N +// RS=1 means that next byte is data, RS=0 means that next byte is command +void TextLCD_SPI_N_3_8::_setRS(bool value) { + + if (value) { + _controlbyte = 0x01; // Next byte is data, No more control bytes will follow + } + else { + _controlbyte = 0x00; // Next byte is command, No more control bytes will follow + } +} + +// Set BL pin +void TextLCD_SPI_N_3_8::_setBL(bool value) { + if (_bl) { + _bl->write(value); + } +} + +// Not used in this mode +void TextLCD_SPI_N_3_8::_setData(int value) { +} + +// Write a byte using SPI3 8 bits mode (ST7070) +void TextLCD_SPI_N_3_8::_writeByte(int value) { + + if (_controlbyte == 0x00) { // Byte is command + _cs = 0; + wait_us(1); + _spi->write(value); + wait_us(1); + _cs = 1; + } + else { // Byte is data + // Select Extended Instr Set + _cs = 0; + wait_us(1); + _spi->write(0x20 | _function | 0x04); // Set function, 0 0 1 DL N EXT=1 x x (Select Instr Set = 1)); + wait_us(1); + _cs = 1; + + wait_us(40); // Wait until command has finished... + + // Set Count to 1 databyte + _cs = 0; + wait_us(1); + _spi->write(0x80); // Set display data length, 1 L6 L5 L4 L3 L2 L1 L0 (Instr Set = 1) + wait_us(1); + _cs = 1; + + wait_us(40); + + // Write 1 databyte + _cs = 0; + wait_us(1); + _spi->write(value); // Write data (Instr Set = 1) + wait_us(1); + _cs = 1; + + wait_us(40); + + // Select Standard Instr Set + _cs = 0; + wait_us(1); + _spi->write(0x20 | _function); // Set function, 0 0 1 DL N EXT=0 x x (Select Instr Set = 0)); + wait_us(1); + _cs = 1; + } +} +#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.. @@ -2774,8 +3439,8 @@ } //Sanity check - if (_ctrl & LCD_C_SPI3_9) { - _init(); + if (_ctrl & LCD_C_SPI3_9) { + _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces } else { error("Error: LCD Controller type does not support native SPI3 9 bits interface\n\r"); @@ -2867,7 +3532,7 @@ //Sanity check if (_ctrl & LCD_C_SPI3_10) { - _init(); + _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces } else { error("Error: LCD Controller type does not support native SPI3 10 bits interface\n\r"); @@ -2926,7 +3591,6 @@ //------- Start TextLCD_SPI_N_3_16 -------- #if(LCD_SPI_N_3_16 == 1) /* Native SPI bus */ -//Code checked out on logic analyser. Not yet tested on hardware.. /** Create a TextLCD interface using a controller with a native SPI3 16 bits interface * @@ -2961,7 +3625,7 @@ //Sanity check if (_ctrl & LCD_C_SPI3_16) { - _init(); + _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces } else { error("Error: LCD Controller type does not support native SPI3 16 bits interface\n\r"); @@ -3059,7 +3723,7 @@ //Sanity check if (_ctrl & LCD_C_SPI3_24) { - _init(); + _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces } else { error("Error: LCD Controller type does not support native SPI3 24 bits interface\n\r");