Christian Dupaty
C.Dupaty 03-2018 test on NUCLEO STM32-F411RE LCD 2x16, I2C interface Chinese model, adress I2C=0x4E (search on AliExpress for IIC/I2C 1602 Module) Important ! configure in TextLCD_Config.h : Valid only one of the lines : #define DFROBOT 0 // chinese OK #define YWROBOT 0 // chinese 0K #define SYDZ 1 // chinese OK Font is the same as http://www.farnell.com/datasheets/2362518.pdf
Fork of
TextLCD
by 
Wim Huiskamp
/* Hello World! for the TextLCD Enhanced Library C.Dupaty 03-2018 test on NUCLEO STM32-F411RE LCD 2x16, I2C interface Chinese model, adress I2C=0x4E (search on AliExpress for IIC/I2C 1602 Module) Important ! configure in TextLCD_Config.h : Valid only one of the lines :
- define DFROBOT 0 chinese OK
- define YWROBOT 0 chinese 0K
- define SYDZ 1 chinese OK Font is the same as http://www.farnell.com/datasheets/2362518.pdf
- /
Diff: TextLCD.cpp
- Revision:
- 36:9f5f86dfd44a
- Parent:
- 35:311be6444a39
- Child:
- 37:ce348c002929
--- 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");