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Arduino-STM32-8bitTFT.h
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/*
* 8bit TFT Library for Arduino_Core_STM32
*
* based on MCUFRIEND_kbv.cpp by David Prentice
* https://github.com/prenticedavid/MCUFRIEND_kbv
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _Arduino-STM32-8bitTFTH_
#define _Arduino-STM32-8bitTFTH_
#include "Arduino.h"
#include "Print.h"
#include <Adafruit_GFX.h>
/*
To use a different resolution TFT, change this or use setResolution().
*/
#define TFTWIDTH 240
#define TFTHEIGHT 320
// Color definitions
#define BLACK 0x0000 /* 0, 0, 0 */
#define NAVY 0x000F /* 0, 0, 128 */
#define DARKGREEN 0x03E0 /* 0, 128, 0 */
#define DARKCYAN 0x03EF /* 0, 128, 128 */
#define MAROON 0x7800 /* 128, 0, 0 */
#define PURPLE 0x780F /* 128, 0, 128 */
#define OLIVE 0x7BE0 /* 128, 128, 0 */
#define LIGHTGRAY 0xC618 /* 192, 192, 192 */
#define DARKGRAY 0x7BEF /* 128, 128, 128 */
#define BLUE 0x001F /* 0, 0, 255 */
#define GREEN 0x07E0 /* 0, 255, 0 */
#define CYAN 0x07FF /* 0, 255, 255 */
#define RED 0xF800 /* 255, 0, 0 */
#define MAGENTA 0xF81F /* 255, 0, 255 */
#define YELLOW 0xFFE0 /* 255, 255, 0 */
#define WHITE 0xFFFF /* 255, 255, 255 */
#define ORANGE 0xFD20 /* 255, 165, 0 */
#define GREENYELLOW 0xAFE5 /* 173, 255, 47 */
#define PINK 0xF81F
#define GRAY 0x5AEB
/*
Define pins and Output Data Registers
*/
#if 1
#define TFT_DATA GPIOA
#define TFT_D0 LL_GPIO_PIN_0
#define TFT_D1 LL_GPIO_PIN_1
#define TFT_D2 LL_GPIO_PIN_2
#define TFT_D3 LL_GPIO_PIN_3
#define TFT_D4 LL_GPIO_PIN_4
#define TFT_D5 LL_GPIO_PIN_5
#define TFT_D6 LL_GPIO_PIN_6
#define TFT_D7 LL_GPIO_PIN_7
//Port data |D7 |D6 |D5 |D4 |D3 |D2 |D1 |D0 |
//Pin stm32 |PA7|PA6|PA5|PA4|PA3|PA2|PA1|PA0|
#endif
#if 0
#define TFT_DATA GPIOA
#define TFT_D0 LL_GPIO_PIN_8
#define TFT_D1 LL_GPIO_PIN_9
#define TFT_D2 LL_GPIO_PIN_10
#define TFT_D3 LL_GPIO_PIN_11
#define TFT_D4 LL_GPIO_PIN_12
#define TFT_D5 LL_GPIO_PIN_13
#define TFT_D6 LL_GPIO_PIN_14
#define TFT_D7 LL_GPIO_PIN_15
//Port data |D7 |D6 |D5 |D4 |D3 |D2 |D1 |D0 |
//Pin stm32 |PA15|PA14|PA13|PA12|PA11|PA10|PA9|PA8|
#endif
#if 0
#define TFT_DATA GPIOB
#define TFT_D0 LL_GPIO_PIN_0
#define TFT_D1 LL_GPIO_PIN_1
#define TFT_D2 LL_GPIO_PIN_2
#define TFT_D3 LL_GPIO_PIN_3
#define TFT_D4 LL_GPIO_PIN_4
#define TFT_D5 LL_GPIO_PIN_5
#define TFT_D6 LL_GPIO_PIN_6
#define TFT_D7 LL_GPIO_PIN_7
//Port data |D7 |D6 |D5 |D4 |D3 |D2 |D1 |D0 |
//Pin stm32 |PB7|PB6|PB5|PB4|PB3|PB2|PB1|PB0|
#endif
#if 0
#define TFT_DATA GPIOB
#define TFT_D0 LL_GPIO_PIN_8
#define TFT_D1 LL_GPIO_PIN_9
#define TFT_D2 LL_GPIO_PIN_10
#define TFT_D3 LL_GPIO_PIN_11
#define TFT_D4 LL_GPIO_PIN_12
#define TFT_D5 LL_GPIO_PIN_13
#define TFT_D6 LL_GPIO_PIN_14
#define TFT_D7 LL_GPIO_PIN_15
//Port data |D7 |D6 |D5 |D4 |D3 |D2 |D1 |D0 |
//Pin stm32 |PB15|PB14|PB13|PB12|PB11|PB10|PB9|PB8|
#endif
#if 0
#define TFT_DATA GPIOC
#define TFT_D0 LL_GPIO_PIN_0
#define TFT_D1 LL_GPIO_PIN_1
#define TFT_D2 LL_GPIO_PIN_2
#define TFT_D3 LL_GPIO_PIN_3
#define TFT_D4 LL_GPIO_PIN_4
#define TFT_D5 LL_GPIO_PIN_5
#define TFT_D6 LL_GPIO_PIN_6
#define TFT_D7 LL_GPIO_PIN_7
//Port data |D7 |D6 |D5 |D4 |D3 |D2 |D1 |D0 |
//Pin stm32 |PC7|PC6|PC5|PC4|PC3|PC2|PC1|PC0|
#endif
#if 0
#define TFT_DATA GPIOC
#define TFT_D0 LL_GPIO_PIN_8
#define TFT_D1 LL_GPIO_PIN_9
#define TFT_D2 LL_GPIO_PIN_10
#define TFT_D3 LL_GPIO_PIN_11
#define TFT_D4 LL_GPIO_PIN_12
#define TFT_D5 LL_GPIO_PIN_13
#define TFT_D6 LL_GPIO_PIN_14
#define TFT_D7 LL_GPIO_PIN_15
//Port data |D7 |D6 |D5 |D4 |D3 |D2 |D1 |D0 |
//Pin stm32 |PC15|PC14|PC13|PC12|PC11|PC10|PC9|PC8|
#endif
#if 0
#define TFT_DATA GPIOD
#define TFT_D0 LL_GPIO_PIN_0
#define TFT_D1 LL_GPIO_PIN_1
#define TFT_D2 LL_GPIO_PIN_2
#define TFT_D3 LL_GPIO_PIN_3
#define TFT_D4 LL_GPIO_PIN_4
#define TFT_D5 LL_GPIO_PIN_5
#define TFT_D6 LL_GPIO_PIN_6
#define TFT_D7 LL_GPIO_PIN_7
//Port data |D7 |D6 |D5 |D4 |D3 |D2 |D1 |D0 |
//Pin stm32 |PD7|PD6|PD5|PD4|PD3|PD2|PD1|PD0|
#endif
#if 0
#define TFT_DATA GPIOD
#define TFT_D0 LL_GPIO_PIN_8
#define TFT_D1 LL_GPIO_PIN_9
#define TFT_D2 LL_GPIO_PIN_10
#define TFT_D3 LL_GPIO_PIN_11
#define TFT_D4 LL_GPIO_PIN_12
#define TFT_D5 LL_GPIO_PIN_13
#define TFT_D6 LL_GPIO_PIN_14
#define TFT_D7 LL_GPIO_PIN_15
//Port data |D7 |D6 |D5 |D4 |D3 |D2 |D1 |D0 |
//Pin stm32 |PD15|PD14|PD13|PD12|PD11|PD10|PD9|PD8|
#endif
#define TFT_CNTRL GPIOB
#define LL_LOW(LL_GPIO_PIN) LL_GPIO_WriteOutputPort(TFT_CNTRL, (LL_GPIO_ReadOutputPort(TFT_CNTRL) & ~(LL_GPIO_PIN)))
#define LL_HIGH(LL_GPIO_PIN) LL_GPIO_WriteOutputPort(TFT_CNTRL, (LL_GPIO_ReadOutputPort(TFT_CNTRL) | LL_GPIO_PIN))
// Note:
// PA15 PB3 PB4 is assigned to JTAG debug port by default on some boards.
// Therefore, it may not be available by default.
#define TFT_RD LL_GPIO_PIN_0 // PB0
#define TFT_WR LL_GPIO_PIN_1 // PB1
#define TFT_RS LL_GPIO_PIN_5 // PB5
#define TFT_CS LL_GPIO_PIN_6 // PB6
#define TFT_RST LL_GPIO_PIN_7 // PB7
//#define DELAY delayMicroseconds(10);
#define DELAY (void)0 // NOP
#define RD_ACTIVE LL_LOW(TFT_RD)
#define RD_IDLE LL_HIGH(TFT_RD)
#define WR_ACTIVE LL_LOW(TFT_WR)
#define WR_IDLE LL_HIGH(TFT_WR)
#define CD_COMMAND LL_LOW(TFT_RS)
#define CD_DATA LL_HIGH(TFT_RS)
#define CS_ACTIVE LL_LOW(TFT_CS)
#define CS_IDLE LL_HIGH(TFT_CS)
#define RST_ACTIVE LL_LOW(TFT_RST)
#define RST_IDLE LL_HIGH(TFT_RST)
#define RD_STROBE {RD_ACTIVE; RD_IDLE;} // Not use
#define WR_STROBE {WR_ACTIVE; WR_IDLE;} // Not use
class STM32_TFT_8bit : public Adafruit_GFX {
public:
STM32_TFT_8bit(void);
void enablePortClock(GPIO_TypeDef *gpio);
void setResolution(int16_t width, int16_t height);
void setOffset(int16_t offset);
void begin(uint16_t ID);
void setAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1);
void fillScreen(uint16_t color);
void drawLine(int16_t x0, int16_t y0,int16_t x1, int16_t y1, uint16_t color);
void drawPixel(int16_t x, int16_t y, uint16_t color);
void pushColors8(uint8_t * block, int16_t n, bool first);
void pushColors(uint16_t * block, int16_t n, bool first);
void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
uint16_t color565(uint8_t r, uint8_t g, uint8_t b);
int16_t readGRAM(int16_t x, int16_t y, uint16_t * block, int16_t w, int16_t h);
uint16_t readPixel(int16_t x, int16_t y) { uint16_t color; readGRAM(x, y, &color, 1, 1); return color; }
void setRotation(uint8_t r);
void vertScroll(int16_t top, int16_t scrollines, int16_t offset);
void invertDisplay(boolean i);
uint16_t readID(void);
private:
void setWriteDataBus(void);
void setReadDataBus(void);
void write8(uint8_t);
void writeCmdByte(uint8_t c);
void WriteCmd(uint16_t c);
void writeDataByte(uint8_t d);
void writeDataWord(uint16_t d);
void WriteCmdData(uint16_t cmd, uint16_t dat);
void WriteCmdParamN(uint8_t cmd, int8_t N, uint8_t * block);
void WriteCmdParam4(uint8_t cmd, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4);
void init_table(const void *table, int16_t size);
void init_table16(const void *table, int16_t size);
void writeCmdWord(uint16_t c);
uint8_t read8(void);
uint8_t read8bits(void);
uint16_t read16bits(void);
uint16_t readReg16(uint16_t reg);
uint16_t readReg16Index(uint16_t reg, int8_t index);
uint32_t readReg32(uint16_t reg);
uint32_t readReg40(uint16_t reg);
uint16_t _lcd_ID, _lcd_capable, _lcd_rev, _lcd_madctl, _lcd_drivOut, _MC, _MP, _MW, _SC, _EC, _SP, _EP;
int16_t _lcd_width = 0, _lcd_height = 0, _lcd_offset=0;
uint32_t _pins[8];
};
#endif //endif of the header file