From 7b66af9006b3d99cb9b737b04a261f4ddc72d286 Mon Sep 17 00:00:00 2001
From: "Christian L. V. Madsen" <cm@develtron.dk>
Date: Sat, 17 Aug 2024 13:42:12 +0200
Subject: [PATCH] test

---
 lcd_hd44780.c | 40 ++++++++++++++++++++++++++++++++++------
 lcd_hd44780.h |  8 ++++----
 2 files changed, 38 insertions(+), 10 deletions(-)

diff --git a/lcd_hd44780.c b/lcd_hd44780.c
index 8183196..c8b3f6c 100644
--- a/lcd_hd44780.c
+++ b/lcd_hd44780.c
@@ -20,7 +20,7 @@ void lcd_hd44780_printf(lcd_hd44780_t *inst, char *string){
 	
 }*/
 
-static void lcd_writeCmd_disp(lcd_hd44780_t *inst, hd44780_cmd_t cmd, hd44780_setGet_t getSet){
+static void lcd_writeCmd_disp(cm_lcd_hd44780_t *inst, hd44780_cmd_t cmd, hd44780_setGet_t getSet){
 
 	inst->gpio_data.data_bus = cmd;
 
@@ -48,7 +48,7 @@ static void lcd_writeCmd_disp(lcd_hd44780_t *inst, hd44780_cmd_t cmd, hd44780_se
 
 }
 
-void lcd_hd44780_initDisp(lcd_hd44780_t *inst){
+void lcd_hd44780_initDisp_8bit(cm_lcd_hd44780_t *inst){
 
 	// Wait for more than 15ms after VCC rise..
 	// Delay(15)
@@ -67,14 +67,29 @@ void lcd_hd44780_initDisp(lcd_hd44780_t *inst){
 
 }
 
-void lcd_hd44780_regGpioEvt(lcd_hd44780_t *inst, setGet_Gpio_Event_fpt getGpioEvt_fpt){
+void lcd_hd44780_initDisp_4bit(cm_lcd_hd44780_t *inst){
+
+	// Wait for more than 15ms after VCC rise..
+	// Delay(15)
+	lcd_writeCmd_disp(inst, LCD_HD44780_FUNCTION_SET >> 4,LCD_HD44780_SET);
+
+	// Delay(4)
+
+	lcd_writeCmd_disp(inst, LCD_HD44780_FUNCTION_SET >> 4,LCD_HD44780_SET);
+
+	// Delay(4)
+
+	lcd_writeCmd_disp(inst, LCD_HD44780_FUNCTION_SET >> 4,LCD_HD44780_SET);
+}
+
+void lcd_hd44780_regGpioEvt(cm_lcd_hd44780_t *inst, setGet_Gpio_Event_fpt getGpioEvt_fpt){
 	
 	//if(inst == NULL)return;
 
 	inst->setGetGpio_event = getGpioEvt_fpt;
 }
 
-void lcd_hd44780_regWaitEvt(lcd_hd44780_t *inst, wait_ms_Event_fpt waitEvt_fpt){
+void lcd_hd44780_regWaitEvt(cm_lcd_hd44780_t *inst, wait_ms_Event_fpt waitEvt_fpt){
 
 	//if(inst == NULL)return;
 
@@ -82,7 +97,7 @@ void lcd_hd44780_regWaitEvt(lcd_hd44780_t *inst, wait_ms_Event_fpt waitEvt_fpt){
 }
 
 
-void lcd_hd44780_init(lcd_hd44780_t *inst, lcd_hd44780_bitmode bit_mode){
+void lcd_hd44780_init(cm_lcd_hd44780_t *inst, lcd_hd44780_bitmode bit_mode){
 	
 	//inst->gpio_data = 0x00;
 	inst->bit_mode = bit_mode;
@@ -94,10 +109,23 @@ void lcd_hd44780_init(lcd_hd44780_t *inst, lcd_hd44780_bitmode bit_mode){
 
 	inst->setGetGpio_event(&(inst->gpio_data), 1);*/
 
-	lcd_hd44780_initDisp(inst);
+	//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);
 
+	switch (inst->bit_mode) {
+		case LCD_BITMODE_8BIT:
+			lcd_hd44780_initDisp_8bit(inst);
+			break;
+
+		case LCD_BITMODE_4BIT:
+			break;
+
+
+		default:
+			break;
+	}
+
 	return;
 }
 
diff --git a/lcd_hd44780.h b/lcd_hd44780.h
index a1c8ab1..362af42 100644
--- a/lcd_hd44780.h
+++ b/lcd_hd44780.h
@@ -62,11 +62,11 @@ typedef struct{
 	hd44780_gpioset_t gpio_data;
 	
 	
-}lcd_hd44780_t;
+}cm_lcd_hd44780_t;
 
 
-void lcd_hd44780_init(lcd_hd44780_t *inst,lcd_hd44780_bitmode bit_mode);
-void lcd_hd44780_regGpioEvt(lcd_hd44780_t *inst, setGet_Gpio_Event_fpt getGpioEvt_fpt);
-void lcd_hd44780_regWaitEvt(lcd_hd44780_t *inst, wait_ms_Event_fpt waitEvt_fpt);
+void lcd_hd44780_init(cm_lcd_hd44780_t *inst,lcd_hd44780_bitmode bit_mode);
+void lcd_hd44780_regGpioEvt(cm_lcd_hd44780_t *inst, setGet_Gpio_Event_fpt getGpioEvt_fpt);
+void lcd_hd44780_regWaitEvt(cm_lcd_hd44780_t *inst, wait_ms_Event_fpt waitEvt_fpt);
 
 #endif /*LCD_HD44780_H_*/