basic c and make template for atmega328p and usbasp programmer

.vscode/c_cpp_properties.json

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+{
+    "configurations": [
+        {
+            "name": "Mac",
+            "includePath": [
+                "${workspaceFolder}/**",
+                "usr/local/Cellar/avr-gcc/9.3.0/avr/include/**"
+            ],
+            "browse": {
+                "limitSymbolsToIncludedHeaders": true,
+                "path": [
+                    "${workspaceFolder}/**",
+                    "usr/local/Cellar/avr-gcc/9.3.0/avr/include/**"
+                ]
+            },
+            "macFrameworkPath": [],
+            "compilerPath": "/usr/local/bin/avr-gcc",
+            "intelliSenseMode": "clang-x64",
+            "cStandard": "c99",
+            "cppStandard": "c++11",
+            "compilerArgs": [
+                "-mmcu=atmega328p",
+                ""
+            ]
+        }
+    ],
+    "version": 4
+}

Makefile

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+MCU=atmega328p
+CC=avr-gcc
+OBJCOPY=avr-objcopy
+CFLAGS=-std=c99 -Wall -g -Os -mmcu=${MCU} -I.
+TARGET=blink
+SRCS=blink.c 
+	
+all:
+	${CC} ${CFLAGS} -o ${TARGET}.bin ${SRCS}
+	${OBJCOPY} -j .text -j .data -O ihex ${TARGET}.bin ${TARGET}.hex	
+	
+flash:
+	avrdude -p ${MCU} -c usbasp -U flash:w:${TARGET}.hex:i -F -P usb
+
+clean:
+	rm -f *.bin *.hex

blink.c

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+/* 
+ * File: blink.c
+ * Description: Toggels pin PB0 every 500ms
+ * From: C-Programmierung mit AVR-GCC
+ */
+
+#define F_CPU 16000000UL
+
+#include <avr/io.h>
+#include <util/delay.h>
+
+int main(void)
+{
+
+  DDRB |= (1 << PB0) | (1 << PB1);
+  PORTB |= (1 << PB0) | (1 << PB1);
+
+  while (1)
+  {
+    PORTB ^= (1 << PB0) | (1 << PB1);
+    _delay_ms(500);
+  }
+
+  return 0;
+}

blink.hex

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+:100000000C9434000C943E000C943E000C943E0082
+:100010000C943E000C943E000C943E000C943E0068
+:100020000C943E000C943E000C943E000C943E0058
+:100030000C943E000C943E000C943E000C943E0048
+:100040000C943E000C943E000C943E000C943E0038
+:100050000C943E000C943E000C943E000C943E0028
+:100060000C943E000C943E0011241FBECFEFD8E04C
+:10007000DEBFCDBF0E9440000C9454000C940000E1
+:1000800084B1836084B985B1836085B993E085B11B
+:10009000892785B92FEF39E688E12150304080402B
+:0C00A000E1F700C00000F3CFF894FFCFA0
+:00000001FF