commit

lcd_hd44780.h

@@ -1,4 +1,57 @@
 #ifndef LCD_HD44780_H_
 #define LCD_HD44780_H_
 
+#include <stdint.h>
+
+// bit definetions
+#define LCD_HD44780_RS 0
+#define LCD_HD44780_RW 1
+#define LCD_HD44780_E 2
+
+#define LCD_HD44780_WRITE 0
+#define LCD_HD44780_READ 1
+
+typedef enum {
+	LCD_BITMODE_8BIT,
+	LCD_BITMODE_4BIT,
+	
+}lcd_hd44780_bitmode;
+
+enum {
+	
+	LCD_HD44780_CLEAR_DISP = 0x1,
+	LCD_HD44780_RETURN_HOME = 0x2,
+	LCD_HD44780_ENTRY_MODE = 0x3,
+	LCD_HD44780_DISP_ONOFF_CTL = 0x4,
+	LCD_HD44780_CURSOR_SHIFT = 0x6,
+	
+};
+
+enum{
+	LCD_HD44780_GET = 0,
+	LCD_HD44780_SET = 1,
+	
+};
+
+typedef int (*setGet_DataGpio_Event_fpt)(void*, uint8_t data_input, uint8_t set_get )reentrant;
+typedef int (*setGet_ConfigGpio_Event_fpt)(void*, uint8_t data_input, uint8_t set_get )reentrant;
+
+typedef struct{
+	
+	void *DataGpio;
+	void *SettingsGpio;
+	setGet_DataGpio_Event_fpt setGetDataIO_event;
+	setGet_ConfigGpio_Event_fpt setGetConfigIO_event;
+	lcd_hd44780_bitmode bit_mode;
+	uint8_t port_data; 
+	uint8_t port_settings;
+	
+	
+}lcd_hd44780_t;
+
+
+void lcd_hd44780_init(lcd_hd44780_t *inst,lcd_hd44780_bitmode bit_mode);
+void lcd_hd44780_regConfigEvt(lcd_hd44780_t *inst , void *inst_Config, setGet_ConfigGpio_Event_fpt getConfigEvt_fpt);
+void lcd_hd44780_regDataEvt(lcd_hd44780_t *inst , void *inst_Data, setGet_DataGpio_Event_fpt getDataEvt_fpt);
+
 #endif /*LCD_HD44780_H_*/