27 lines
928 B
C
27 lines
928 B
C
/*
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* This short C progam creates a .elf file with EEPROM contents that
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* can be extracted to form a .hex file for testing EEPROM upload/downloads
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* via the bootloader.
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*
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* Compile with:
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* avr-gcc -mmcu=atmega328p eeprom_data.c -o eeprom_data.elf
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* avr-objcopy -j .eeprom --change-section-lma .eeprom=0 -O ihex eeprom_data.elf eeprom_data.hex
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* Upload with:
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* avrdude ... -U eeprom:w:eeprom_data.hex
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*/
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#include <avr/io.h>
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#include <avr/eeprom.h>
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#define zero16 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0
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#define zero32 zero16, zero16
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const EEMEM unsigned long longs[32] = {0x12345678, 0x9abcdef0, 0x11223344, 0, 0xdeadbeef, zero16, 0xdecade, 0x78563412};
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const EEMEM unsigned int integers[64] = {0x1234, 0x5678, 0x9ABC, 0, 0, 0, 1, 2 , zero32, 0xAB90, 0x3412};
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const EEMEM char characters[128] = "test 1 2 3 4 5 6 7 8 9 0" " "
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"more testing abcdefghijklmnop";
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int main() {}
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