44 lines
818 B
C
44 lines
818 B
C
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#ifndef __LCD_H__
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#define __LCD_H__
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#include <stm32f0xx.h>
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#define LCD_DPORT (GPIOA)
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#define LCD_DATA_BIT_OFFSET (0)
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#define LCD_RS (9)
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#define LCD_E (10)
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#define LCD_DATA_MASK (0xFU << LCD_DATA_BIT_OFFSET)
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#define LCD_RS_MASK (1U << LCD_RS)
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#define LCD_E_MASK (1U << LCD_E)
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/**
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* @brief Initialize 4 bit LCD mode. GPIOs have to be set up prior to any call of this function
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*/
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void lcd_init(void);
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/**
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* @brief Clear display
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*/
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void lcd_clear(void);
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/**
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* @brief Set cursor position to 0/0
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*/
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void lcd_home(void);
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/**
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* @brief Set cursor to position \p x \p y
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* @param x Position in line
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* @param y Line
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*/
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void lcd_setcursor(uint8_t x, uint8_t y);
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/**
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* @brief Write string to current cursor position
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* @param String to write
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*/
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void lcd_string(const char *data);
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#endif /* __LCD_H__ */
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