From 75e645eebf47dead41f4258a5eac3412d2aefbc7 Mon Sep 17 00:00:00 2001
From: Christian Lind Vie Madsen <cm@oz1cm.dk>
Date: Thu, 1 Aug 2024 16:42:56 +0200
Subject: [PATCH] commands needs double check..

---
 lcd_hd44780.c | 30 ++++++++++++++++++++++++++----
 lcd_hd44780.h |  9 +++++----
 2 files changed, 31 insertions(+), 8 deletions(-)

diff --git a/lcd_hd44780.c b/lcd_hd44780.c
index cf608a7..8183196 100644
--- a/lcd_hd44780.c
+++ b/lcd_hd44780.c
@@ -1,5 +1,8 @@
 #include "lcd_hd44780.h"
 #include <stddef.h>
+
+
+
 void lcd_hd44780_writeToDisp(lcd_hd44780_t *inst){
 	
 	inst->setGetGpio_event(&(inst->gpio_data),LCD_HD44780_SET);
@@ -43,6 +46,25 @@ static void lcd_writeCmd_disp(lcd_hd44780_t *inst, hd44780_cmd_t cmd, hd44780_se
 	inst->setGetGpio_event(&(inst->gpio_data),getSet);
 
 
+}
+
+void lcd_hd44780_initDisp(lcd_hd44780_t *inst){
+
+	// Wait for more than 15ms after VCC rise..
+	// Delay(15)
+	lcd_writeCmd_disp(inst, LCD_HD44780_FUNCTION_SET,LCD_HD44780_SET);
+
+	// Wait for 4.1ms..
+	// Delay(4)
+
+	lcd_writeCmd_disp(inst, LCD_HD44780_DISP_ONOFF_CTL,LCD_HD44780_SET);
+
+	// delay 100us
+
+	lcd_writeCmd_disp(inst, LCD_HD44780_ENTRY_MODE,LCD_HD44780_SET);
+
+
+
 }
 
 void lcd_hd44780_regGpioEvt(lcd_hd44780_t *inst, setGet_Gpio_Event_fpt getGpioEvt_fpt){
@@ -64,16 +86,16 @@ void lcd_hd44780_init(lcd_hd44780_t *inst, lcd_hd44780_bitmode bit_mode){
 	
 	//inst->gpio_data = 0x00;
 	inst->bit_mode = bit_mode;
-	
+/*
 	inst->gpio_data.data_bus = 0x0;
 	inst->gpio_data.e_pin = 0x0;
 	inst->gpio_data.rs_pin = 0x1;
 	inst->gpio_data.rw_pin = 0x0;
 
-	inst->setGetGpio_event(&(inst->gpio_data), 1);
+	inst->setGetGpio_event(&(inst->gpio_data), 1);*/
 
-
-	 lcd_writeCmd_disp(inst,LCD_HD44780_CLEAR_DISP,LCD_HD44780_SET);
+	lcd_hd44780_initDisp(inst);
+	 //lcd_writeCmd_disp(inst,LCD_HD44780_CLEAR_DISP,LCD_HD44780_SET);
 	 //lcd_writeCmd_disp(inst,LCD_HD44780_DISP_ONOFF_CTL,LCD_HD44780_SET);
 
 	return;
diff --git a/lcd_hd44780.h b/lcd_hd44780.h
index 2093536..a1c8ab1 100644
--- a/lcd_hd44780.h
+++ b/lcd_hd44780.h
@@ -21,15 +21,16 @@ typedef enum {
 	
 	LCD_HD44780_CLEAR_DISP = 0x1,
 	LCD_HD44780_RETURN_HOME = 0x2,
-	LCD_HD44780_ENTRY_MODE = 0x3,
-	LCD_HD44780_DISP_ONOFF_CTL = 0x4,
+	LCD_HD44780_ENTRY_MODE = 0x6,
+	LCD_HD44780_DISP_ONOFF_CTL = 0xE,
 	LCD_HD44780_CURSOR_SHIFT = 0x6,
+	LCD_HD44780_FUNCTION_SET = 0x30,
 	
 }hd44780_cmd_t;
 
 typedef enum{
-	LCD_HD44780_GET = 0,
-	LCD_HD44780_SET = 1,
+	LCD_HD44780_SET = 0,
+	LCD_HD44780_GET = 1,
 	
 }hd44780_setGet_t;