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| all : test.hex burn test.lst | ||
| PART=attiny85 | ||
| PROGPART=t85 | ||
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| #21800000UL for Ch7, 3rd. | ||
| #61.25/2 = 30.625 nom. | ||
| CFLAGS=-g -Wall -Os -mmcu=$(PART) -DF_CPU=30625000UL | ||
| ASFLAGS:=$(CFLAGS) | ||
| CC=avr-gcc | ||
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| test.hex : test.elf | ||
| avr-objcopy -j .text -j .data -O ihex test.elf test.hex | ||
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| test.elf : test.o | ||
| avr-gcc -I -g -Wall -pedantic -Os -mmcu=$(PART) -Wl,-Map,test.map -o $@ $^ -L/usr/lib/binutils/avr/2.18 | ||
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| test.lst : test.c | ||
| avr-gcc -c -g -Wa,-a,-ad $(CFLAGS) $^ > $@ | ||
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| burn : test.hex | ||
| avrdude -c usbtiny -p $(PROGPART) -V -U flash:w:test.hex | ||
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| #For PLL | ||
| burnfuses : | ||
| avrdude -c usbtiny -p $(PROGPART) -U lfuse:w:0x41:m -U hfuse:w:0xdf:m -U efuse:w:0xff:m | ||
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| burnfuses_legacy_timer_1 : | ||
| avrdude -c usbtiny -p $(PROGPART) -U lfuse:w:0x53:m -U hfuse:w:0xdf:m -U efuse:w:0xff:m | ||
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| burnfuses_default : | ||
| avrdude -c usbtiny -p $(PROGPART) -U lfuse:w:0x62:m -U hfuse:w:0xdf:m -U efuse:w:0xff:m | ||
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| readfuses : | ||
| avrdude -c usbtiny -p $(PROGPART) -U hfuse:r:high.txt:b -U lfuse:r:low.txt:b | ||
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| clean : | ||
| rm -f *~ high.txt low.txt test.hex test.map test.elf *.o sendpack.S makesendpack |
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| @@ -1,2 +1,18 @@ | ||
| # avr_vhf | ||
| Channel 3 VHF Broadcasting with an AVR | ||
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| Broadcast analog video, Channel 3 with your ATTiny85! | ||
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| I strongly recommend using an analog TV, as it will be much easier to debug your signal. | ||
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| This is set up for North America NTSC Channel 3 Only. | ||
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| Do not add an amplifier to this device. You will likely violate broadcast restrictions. | ||
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| # Setup | ||
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| *Plug two wires into PB3 and PB4 of your AVR, PB3 should be shorter than PB4. | ||
| *Turn on an analog TV set to channel 3. If you don't see static, it's unlikely you'll be able to do this project. | ||
| *Program your AVR, then change the OSCCAL value until you find the correct frequency for broadcast on your particular AVR. All AVRs have different clocks. | ||
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| You now have an AVR Multimeter, Pin PB2 contains the analog input. |
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| //From http://overcode.yak.net/12 | ||
| //#include <avr/pgmspace.h> | ||
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| const unsigned char font_8x8_data[] PROGMEM = { | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 1 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 2 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 3 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 4 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 5 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 6 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 7 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 8 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 9 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 10 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 11 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 12 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 13 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 14 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 15 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 16 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 17 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 18 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 19 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 20 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 21 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 22 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 23 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 24 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 25 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 26 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 27 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 28 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 29 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 30 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 31 | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // ' ' | ||
| 0x10, 0x10, 0x10, 0x10, 0x10, 0x00, 0x10, 0x00, // '!' | ||
| 0x28, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // '"' | ||
| 0x28, 0x28, 0xfe, 0x28, 0xfe, 0x28, 0x28, 0x00, // '#' | ||
| 0x10, 0x78, 0x14, 0x38, 0x50, 0x3c, 0x10, 0x00, // '$' | ||
| 0x00, 0x4c, 0x2c, 0x10, 0x68, 0x64, 0x00, 0x00, // '%' | ||
| 0x18, 0x14, 0x08, 0x14, 0x62, 0x22, 0x5c, 0x00, // '&' | ||
| 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // ''' | ||
| 0x20, 0x10, 0x08, 0x08, 0x08, 0x10, 0x20, 0x00, // '(' | ||
| 0x08, 0x10, 0x20, 0x20, 0x20, 0x10, 0x08, 0x00, // ')' | ||
| 0x10, 0x92, 0x54, 0x38, 0x54, 0x92, 0x10, 0x00, // '*' | ||
| 0x10, 0x10, 0x10, 0xfe, 0x10, 0x10, 0x10, 0x00, // '+' | ||
| 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x20, 0x10, // ',' | ||
| 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0x00, 0x00, // '-' | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, // '.' | ||
| 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x00, // '/' | ||
| 0x38, 0x44, 0x44, 0x54, 0x44, 0x44, 0x38, 0x00, // '0' | ||
| 0x10, 0x18, 0x10, 0x10, 0x10, 0x10, 0x38, 0x00, // '1' | ||
| 0x38, 0x44, 0x40, 0x20, 0x10, 0x08, 0x7c, 0x00, // '2' | ||
| 0x38, 0x44, 0x40, 0x30, 0x40, 0x44, 0x38, 0x00, // '3' | ||
| 0x30, 0x28, 0x24, 0x7c, 0x20, 0x20, 0x70, 0x00, // '4' | ||
| 0x7c, 0x04, 0x04, 0x3c, 0x40, 0x44, 0x38, 0x00, // '5' | ||
| 0x38, 0x44, 0x04, 0x3c, 0x44, 0x44, 0x38, 0x00, // '6' | ||
| 0x7c, 0x40, 0x20, 0x10, 0x08, 0x08, 0x08, 0x00, // '7' | ||
| 0x38, 0x44, 0x44, 0x38, 0x44, 0x44, 0x38, 0x00, // '8' | ||
| 0x38, 0x44, 0x44, 0x78, 0x40, 0x44, 0x38, 0x00, // '9' | ||
| 0x00, 0x30, 0x30, 0x00, 0x30, 0x30, 0x00, 0x00, // ':' | ||
| 0x00, 0x30, 0x30, 0x00, 0x30, 0x30, 0x20, 0x10, // ';' | ||
| 0x20, 0x10, 0x08, 0x04, 0x08, 0x10, 0x20, 0x00, // '<' | ||
| 0x00, 0x00, 0xfe, 0x00, 0xfe, 0x00, 0x00, 0x00, // '=' | ||
| 0x04, 0x08, 0x10, 0x20, 0x10, 0x08, 0x04, 0x00, // '>' | ||
| 0x38, 0x44, 0x40, 0x20, 0x10, 0x00, 0x10, 0x00, // '?' | ||
| 0x38, 0x44, 0x74, 0x54, 0x74, 0x04, 0x38, 0x00, // '@' | ||
| 0x38, 0x44, 0x44, 0x7c, 0x44, 0x44, 0x44, 0x00, // 'A' | ||
| 0x3c, 0x44, 0x44, 0x3c, 0x44, 0x44, 0x3c, 0x00, // 'B' | ||
| 0x38, 0x44, 0x04, 0x04, 0x04, 0x44, 0x38, 0x00, // 'C' | ||
| 0x3c, 0x44, 0x44, 0x44, 0x44, 0x44, 0x3c, 0x00, // 'D' | ||
| 0x7c, 0x04, 0x04, 0x3c, 0x04, 0x04, 0x7c, 0x00, // 'E' | ||
| 0x7c, 0x04, 0x04, 0x7c, 0x04, 0x04, 0x04, 0x00, // 'F' | ||
| 0x38, 0x44, 0x04, 0x74, 0x44, 0x44, 0x38, 0x00, // 'G' | ||
| 0x44, 0x44, 0x44, 0x7c, 0x44, 0x44, 0x44, 0x00, // 'H' | ||
| 0x38, 0x10, 0x10, 0x10, 0x10, 0x10, 0x38, 0x00, // 'I' | ||
| 0x70, 0x20, 0x20, 0x20, 0x24, 0x24, 0x18, 0x00, // 'J' | ||
| 0x44, 0x44, 0x24, 0x1c, 0x24, 0x44, 0x44, 0x00, // 'K' | ||
| 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x78, 0x00, // 'L' | ||
| 0x82, 0xc6, 0xaa, 0x92, 0x82, 0x82, 0x82, 0x00, // 'M' | ||
| 0x44, 0x4c, 0x54, 0x54, 0x64, 0x44, 0x44, 0x00, // 'N' | ||
| 0x38, 0x44, 0x44, 0x44, 0x44, 0x44, 0x38, 0x00, // 'O' | ||
| 0x38, 0x48, 0x48, 0x38, 0x08, 0x08, 0x08, 0x00, // 'P' | ||
| 0x38, 0x44, 0x44, 0x44, 0x44, 0x44, 0x38, 0x60, // 'Q' | ||
| 0x3c, 0x44, 0x44, 0x3c, 0x14, 0x24, 0x44, 0x00, // 'R' | ||
| 0x38, 0x44, 0x04, 0x38, 0x40, 0x44, 0x38, 0x00, // 'S' | ||
| 0x7c, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00, // 'T' | ||
| 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x38, 0x00, // 'U' | ||
| 0x44, 0x44, 0x44, 0x28, 0x28, 0x10, 0x10, 0x00, // 'V' | ||
| 0x82, 0x82, 0x82, 0x54, 0x54, 0x28, 0x28, 0x00, // 'W' | ||
| 0x44, 0x44, 0x28, 0x10, 0x28, 0x44, 0x44, 0x00, // 'X' | ||
| 0x44, 0x44, 0x28, 0x10, 0x10, 0x10, 0x10, 0x00, // 'Y' | ||
| 0x7c, 0x40, 0x20, 0x10, 0x08, 0x04, 0x7c, 0x00, // 'Z' | ||
| 0x38, 0x08, 0x08, 0x08, 0x08, 0x08, 0x38, 0x00, // '[' | ||
| 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x00, // '\' | ||
| 0x38, 0x20, 0x20, 0x20, 0x20, 0x20, 0x38, 0x00, // ']' | ||
| 0x10, 0x28, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, // '^' | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, // '_' | ||
| 0x08, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // '`' | ||
| 0x00, 0x38, 0x40, 0x78, 0x44, 0x44, 0xb8, 0x00, // 'a' | ||
| 0x08, 0x08, 0x38, 0x48, 0x48, 0x48, 0x34, 0x00, // 'b' | ||
| 0x00, 0x00, 0x38, 0x04, 0x04, 0x04, 0x38, 0x00, // 'c' | ||
| 0x40, 0x40, 0x70, 0x48, 0x48, 0x48, 0xb0, 0x00, // 'd' | ||
| 0x00, 0x00, 0x38, 0x44, 0x7c, 0x04, 0x38, 0x00, // 'e' | ||
| 0x30, 0x48, 0x08, 0x1c, 0x08, 0x08, 0x08, 0x00, // 'f' | ||
| 0x00, 0x00, 0xb8, 0x44, 0x44, 0x78, 0x40, 0x38, // 'g' | ||
| 0x04, 0x04, 0x34, 0x4c, 0x44, 0x44, 0x44, 0x00, // 'h' | ||
| 0x00, 0x10, 0x00, 0x10, 0x10, 0x10, 0x10, 0x00, // 'i' | ||
| 0x00, 0x10, 0x00, 0x10, 0x10, 0x10, 0x10, 0x0c, // 'j' | ||
| 0x04, 0x04, 0x24, 0x14, 0x0c, 0x14, 0x24, 0x00, // 'k' | ||
| 0x18, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00, // 'l' | ||
| 0x00, 0x00, 0x6d, 0x92, 0x92, 0x82, 0x82, 0x00, // 'm' | ||
| 0x00, 0x00, 0x34, 0x48, 0x48, 0x48, 0x48, 0x00, // 'n' | ||
| 0x00, 0x00, 0x38, 0x44, 0x44, 0x44, 0x38, 0x00, // 'o' | ||
| 0x00, 0x00, 0x34, 0x48, 0x48, 0x38, 0x08, 0x08, // 'p' | ||
| 0x00, 0x00, 0x58, 0x24, 0x24, 0x38, 0x20, 0x20, // 'q' | ||
| 0x00, 0x00, 0x34, 0x0c, 0x04, 0x04, 0x04, 0x00, // 'r' | ||
| 0x00, 0x00, 0x38, 0x04, 0x18, 0x20, 0x1c, 0x00, // 's' | ||
| 0x00, 0x10, 0x38, 0x10, 0x10, 0x10, 0x10, 0x00, // 't' | ||
| 0x00, 0x00, 0x24, 0x24, 0x24, 0x24, 0x58, 0x00, // 'u' | ||
| 0x00, 0x00, 0x44, 0x44, 0x44, 0x28, 0x10, 0x00, // 'v' | ||
| 0x00, 0x00, 0x82, 0x82, 0x92, 0xaa, 0x44, 0x00, // 'w' | ||
| 0x00, 0x00, 0x44, 0x28, 0x10, 0x28, 0x44, 0x00, // 'x' | ||
| 0x00, 0x00, 0x48, 0x48, 0x48, 0x70, 0x40, 0x38, // 'y' | ||
| 0x00, 0x00, 0x3c, 0x20, 0x10, 0x08, 0x3c, 0x00, // 'z' | ||
| 0x30, 0x08, 0x08, 0x04, 0x08, 0x08, 0x30, 0x00, // '{' | ||
| 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00, // '|' | ||
| 0x0c, 0x10, 0x10, 0x20, 0x10, 0x10, 0x0c, 0x00, // '}' | ||
| 0x00, 0x00, 0x0c, 0x92, 0x60, 0x00, 0x00, 0x00, // '~' | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // '' | ||
| }; |
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