From 9b4d68fd6fefe0126f24695aedef9320b010fa55 Mon Sep 17 00:00:00 2001
From: agsler <agsler@elab-rot.ags.etc.tu-bs.de>
Date: Sat, 13 Jan 2024 00:14:05 +0100
Subject: [PATCH] actually turn display on

---
 code/Builds/avr-hd44780/lcd.o | Bin 0 -> 6300 bytes
 code/Builds/main.elf          | Bin 0 -> 7368 bytes
 code/Builds/main.o            | Bin 0 -> 1116 bytes
 code/Makefile                 |  59 ++++++++++++++++++++++++++++++++++++++++++
 code/avr-hd44780              |   1 +
 code/main.c                   |  21 +++++++++++++++
 6 files changed, 81 insertions(+)
 create mode 100644 code/Builds/avr-hd44780/lcd.o
 create mode 100644 code/Builds/main.elf
 create mode 100644 code/Builds/main.o
 create mode 100644 code/Makefile
 create mode 160000 code/avr-hd44780
 create mode 100644 code/main.c

diff --git a/code/Builds/avr-hd44780/lcd.o b/code/Builds/avr-hd44780/lcd.o
new file mode 100644
index 0000000000000000000000000000000000000000..41163016f85aa8edd4001cd90e2f4afb63611775
GIT binary patch
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diff --git a/code/Builds/main.o b/code/Builds/main.o
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diff --git a/code/Makefile b/code/Makefile
new file mode 100644
index 0000000..8050431
--- /dev/null
+++ b/code/Makefile
@@ -0,0 +1,59 @@
+TARGET  = main
+SRCS   := $(shell find -name '*.c')
+FILES   = $(SRCS:%.c=%) #main uart avrIOhelper/io-helper #uart#hier alle c-Datein reinschreiben, trennung durch "  " und ohne .c-Endung
+MCU     = atmega328p 
+PROGC	= m328p
+CC      = avr-gcc
+#TOOL    = stk500 -P /dev/ttyUSB0
+TOOL    = atmelice_isp
+#TOOL    = avrispmkii
+#TOOL    = usbasp-clone
+
+BUILDDIR = Builds
+
+DEFINES = -DF_CPU=2000000UL -DLCD_PORT=PORTD -DLCD_DDR=DDRD
+
+CFLAGS  =-mmcu=$(MCU) -O2 -Wall -Wpedantic $(DEFINES) -std=c99 -ffunction-sections -fdata-sections
+LDFLAGS =-mmcu=$(MCU) -Wl,--gc-sections
+
+LDFILES = $(foreach FILE,$(FILES),$(BUILDDIR)/$(FILE).o)
+
+all: clean $(BUILDDIR)/$(TARGET).elf
+
+$(BUILDDIR)/%.o: %.c
+	mkdir -p $(dir $@)
+	$(CC) $(CFLAGS) -c $< -o $(BUILDDIR)/$*.o
+
+$(BUILDDIR)/$(TARGET).elf: $(LDFILES)
+	mkdir -p $(dir $@)
+	$(CC) $(LDFLAGS) $(LDFILES) -o $(BUILDDIR)/$(TARGET).elf
+
+$(BUILDDIR)/$(TARGET).hex : $(BUILDDIR)/$(TARGET).elf
+	 avr-objcopy -j .data -j .text -O ihex $< $@
+
+fuse: 
+	avrdude -p $(PROGC) -c $(TOOL) -U lfuse:w:0xE8:m -U hfuse:w:0xD1:m
+
+load: $(BUILDDIR)/$(TARGET).hex
+	avrdude -p $(PROGC) -c $(TOOL) -U flash:w:$(BUILDDIR)/$(TARGET).hex -v -B 125kHz
+
+program: clean load
+
+reset:
+	avrdude -p $(PROGC) -c $(TOOL)
+	
+size: $(BUILDDIR)/$(TARGET).elf
+	avr-size -C --mcu=$(MCU) $(BUILDDIR)/$(TARGET).elf
+
+.PHONY=clean
+clean:
+	rm -rf $(BUILDDIR)
+
+
+#Fuse m1284p external Osz. Long startuptime
+#  avrdude -c usbasp-clone -p m1284p -U lfuse:w:0xff:m -U hfuse:w:0xd9:m -U efuse:w:0xff:m
+
+#Fuse m1284p internal Osz. Long startuptime
+#  avrdude -c usbasp-clone -p m1284p -U lfuse:w:0xe2:m -U hfuse:w:0xd9:m -U efuse:w:0xff:m
+
+
diff --git a/code/avr-hd44780 b/code/avr-hd44780
new file mode 160000
index 0000000..1360f8d
--- /dev/null
+++ b/code/avr-hd44780
@@ -0,0 +1 @@
+Subproject commit 1360f8dd0192444bee448bbab97a0ecb73941c90
diff --git a/code/main.c b/code/main.c
new file mode 100644
index 0000000..9e18447
--- /dev/null
+++ b/code/main.c
@@ -0,0 +1,21 @@
+#include <avr/io.h>
+#include <util/delay.h>
+#include "avr-hd44780/lcd.h"
+
+int main(void){
+	DDRC |= 1<<0;
+	DDRC |= 1<<1;
+	DDRD |= 1<<7;
+
+	lcd_init();
+	lcd_on();
+	lcd_clear();
+	lcd_puts("test");
+
+	while(1){
+		PORTC ^= 1<<0;
+		_delay_ms(1000);
+		PORTC ^= 1<<1;
+	}
+
+}