; Hauptinitroutine
oled_init:
; Folge von Kommandos senden (Beispielwerte für SSD1306)
	ldi r16, 0xAE		; DISPLAY_OFF
	rcall oled_send_command
	ldi r16, 0xD5		; SET_DISPLAY_CLOCK_DIV
	rcall oled_send_command
	ldi r16, 0x80		; CLOCK_DIV_VALUE
	rcall oled_send_command
	ldi r16, 0xA8		; SET_MULTIPLEX
	rcall oled_send_command
	ldi r16, 0x3F		; MUX_RATIO 64
	rcall oled_send_command
	ldi r16, 0xD3		; SET_DISPLAY_OFFSET
	rcall oled_send_command
	ldi r16, 0x00		; OFFSET 0
	rcall oled_send_command
	ldi r16, 0x40		; SET_START_LINE
	rcall oled_send_command
	ldi r16, 0x8D		; CHARGE_PUMP
	rcall oled_send_command
	ldi r16, 0x14		; Enable Charge Pump
	rcall oled_send_command
	ldi r16, 0x20		; MEMORY_MODE
	rcall oled_send_command
	ldi r16, 0x00		; Horizontal Addressing
	rcall oled_send_command
	ldi r16, 0xA1		; SEG_REMAP
	rcall oled_send_command
	ldi r16, 0xC8		; COM_SCAN_DEC
	rcall oled_send_command
	ldi r16, 0xDA		; SET_COM_PINS
	rcall oled_send_command
	ldi r16, 0x12		; COM_PINS_HW_CFG
	rcall oled_send_command
	ldi r16, 0x81		; SET_CONTRAST
	rcall oled_send_command
	ldi r16, 0xCF		; CONTRAST_VALUE
	rcall oled_send_command
	ldi r16, 0xD9		; SET_PRECHARGE
	rcall oled_send_command
	ldi r16, 0xF1		; PRECHARGE_VALUE
	rcall oled_send_command
	ldi r16, 0xDB		; SET_VCOM_DETECT
	rcall oled_send_command
	ldi r16, 0x40		; VCOM_DETECT_VALUE
	rcall oled_send_command
	ldi r16, 0xA4		; DISPLAY_ALL_ON_RESUME
	rcall oled_send_command
	ldi r16, 0xA6		; NORMAL_DISPLAY
	rcall oled_send_command
	ldi r16, 0xAF		; DISPLAY_ON
	rcall oled_send_command
ret
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