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| -rw-r--r-- | README | 62 |
1 files changed, 11 insertions, 51 deletions
@@ -31,7 +31,15 @@ To build a .hex file from a .c file, in Windows: After wiring everything up, this tests the connection to the ATTINY13A chip: avrdude -p t13 -c usbasp -n - (you may need to put 'sudo' in front, on UNIX systems) + (you may need to put 'sudo' in front, on UNIX systems... + or set the suid bit on the avrdude binary, which is convenient but a + potential security risk) + +To test if you can flash firmware correctly, or to restore a light to something +like a default state, try flashing the NLITE driver from DrJones. It's similar +to the default nanjg / qlite firmware, but better. + + ./bin/flash.sh DrJones/NLITE/nlite.hex For a quick test to make sure your tool chain works and your flashing tools are working, try the 'hello world' program: @@ -40,53 +48,5 @@ are working, try the 'hello world' program: make make flash -Or, to check just your flashing hardware, you can skip the build step and -send the already-compiled version I included: - - cd hello_world - make flash-example - -To flash NLITE, which is a good second test... (this is the output from my -terminal, which may or may not be quite correct... not sure what the sck -period error is about, and the verify fails, but it otherwise works) - - ~/src/torches/DrJones/NLITE/> sudo avrdude -p t13 -c usbasp -u -Uflash:w:nlite.hex:a -Ulfuse:w:0x75:m -Uhfuse:w:0xFF:m - - avrdude: warning: cannot set sck period. please check for usbasp firmware update. - avrdude: AVR device initialized and ready to accept instructions - - Reading | ################################################## | 100% 0.00s - - avrdude: Device signature = 0x1e9007 - avrdude: NOTE: FLASH memory has been specified, an erase cycle will be performed - To disable this feature, specify the -D option. - avrdude: current erase-rewrite cycle count is -268439553 (if being tracked) - avrdude: erasing chip - avrdude: warning: cannot set sck period. please check for usbasp firmware update. - avrdude: reading input file "nlite.hex" - avrdude: input file nlite.hex auto detected as Intel Hex - avrdude: writing flash (524 bytes): - - Writing | ################################################## | 100% 0.44s - - - - avrdude: 524 bytes of flash written - avrdude: verifying flash memory against nlite.hex: - avrdude: load data flash data from input file nlite.hex: - avrdude: input file nlite.hex auto detected as Intel Hex - avrdude: input file nlite.hex contains 524 bytes - avrdude: reading on-chip flash data: - - Reading | ################################################## | 100% 0.30s - - - - avrdude: verifying ... - avrdude: verification error, first mismatch at byte 0x0004 - 0x37 != 0x13 - avrdude: verification error; content mismatch - - avrdude done. Thank you. - - [1] 21327 exit 1 sudo avrdude -p t13 -c usbasp -u -Uflash:w:nlite.hex:a -Ulfuse:w:0x75:m +If that works, you should be ready to start making changes to the code, or +flashing any of the pre-built firmwares. |