eduard.dlabal
344d0000fa
- Implemented DMA functionality with a new dma.c and dma.h file. - Added LiquidCrystal I2C driver with liquidcrystal_i2c.c and liquidcrystal_i2c.h files. - Updated CMakeLists.txt to include dma.c and liquidcrystal_i2c.c in the build process. - Modified build.ninja and compile_commands.json to reflect the new source files. - Enhanced the main application to utilize the new DMA and LiquidCrystal I2C features.
89 lines
2.1 KiB
C
Executable File
89 lines
2.1 KiB
C
Executable File
#ifndef LIQUIDCRYSTAL_I2C_H_
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#define LIQUIDCRYSTAL_I2C_H_
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#include "stm32f1xx_hal.h"
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/* Command */
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#define LCD_CLEARDISPLAY 0x01
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#define LCD_RETURNHOME 0x02
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#define LCD_ENTRYMODESET 0x04
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#define LCD_DISPLAYCONTROL 0x08
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#define LCD_CURSORSHIFT 0x10
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#define LCD_FUNCTIONSET 0x20
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#define LCD_SETCGRAMADDR 0x40
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#define LCD_SETDDRAMADDR 0x80
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/* Entry Mode */
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#define LCD_ENTRYRIGHT 0x00
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#define LCD_ENTRYLEFT 0x02
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#define LCD_ENTRYSHIFTINCREMENT 0x01
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#define LCD_ENTRYSHIFTDECREMENT 0x00
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/* Display On/Off */
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#define LCD_DISPLAYON 0x04
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#define LCD_DISPLAYOFF 0x00
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#define LCD_CURSORON 0x02
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#define LCD_CURSOROFF 0x00
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#define LCD_BLINKON 0x01
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#define LCD_BLINKOFF 0x00
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/* Cursor Shift */
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#define LCD_DISPLAYMOVE 0x08
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#define LCD_CURSORMOVE 0x00
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#define LCD_MOVERIGHT 0x04
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#define LCD_MOVELEFT 0x00
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/* Function Set */
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#define LCD_8BITMODE 0x10
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#define LCD_4BITMODE 0x00
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#define LCD_2LINE 0x08
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#define LCD_1LINE 0x00
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#define LCD_5x10DOTS 0x04
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#define LCD_5x8DOTS 0x00
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/* Backlight */
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#define LCD_BACKLIGHT 0x08
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#define LCD_NOBACKLIGHT 0x00
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/* Enable Bit */
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#define ENABLE 0x04
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/* Read Write Bit */
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#define RW 0x0
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/* Register Select Bit */
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#define RS 0x01
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/* Device I2C Address */
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#define DEVICE_ADDR (0x27 << 1)
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void HD44780_Init(uint8_t rows);
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void HD44780_Clear();
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void HD44780_Home();
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void HD44780_NoDisplay();
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void HD44780_Display();
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void HD44780_NoBlink();
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void HD44780_Blink();
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void HD44780_NoCursor();
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void HD44780_Cursor();
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void HD44780_ScrollDisplayLeft();
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void HD44780_ScrollDisplayRight();
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void HD44780_PrintLeft();
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void HD44780_PrintRight();
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void HD44780_LeftToRight();
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void HD44780_RightToLeft();
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void HD44780_ShiftIncrement();
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void HD44780_ShiftDecrement();
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void HD44780_NoBacklight();
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void HD44780_Backlight();
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void HD44780_AutoScroll();
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void HD44780_NoAutoScroll();
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void HD44780_CreateSpecialChar(uint8_t, uint8_t[]);
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void HD44780_PrintSpecialChar(uint8_t);
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void HD44780_SetCursor(uint8_t, uint8_t);
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void HD44780_SetBacklight(uint8_t new_val);
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void HD44780_LoadCustomCharacter(uint8_t char_num, uint8_t *rows);
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void HD44780_PrintStr(const char[]);
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#endif /* LIQUIDCRYSTAL_I2C_H_ */
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