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| author | Sebastian Kuzminsky <seb@highlab.com> | 2009-02-21 01:52:20 +0000 |
|---|---|---|
| committer | Sebastian Kuzminsky <seb@highlab.com> | 2009-02-21 01:52:20 +0000 |
| commit | d82f033cfecde519a4b0a6bd72bca7b5739d86b5 (patch) | |
| tree | d765ece10dff4f368c330156ab7628bd57f3432e | |
| parent | a9d8bb4e7fd323afca527f8ffd52cd658c3667e8 (diff) | |
| download | linuxcnc-d82f033cfecde519a4b0a6bd72bca7b5739d86b5.tar.gz linuxcnc-d82f033cfecde519a4b0a6bd72bca7b5739d86b5.zip | |
some more notes on what to do and how to do it
| -rw-r--r-- | src/hal/drivers/mesa-hostmot2/TODO | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/src/hal/drivers/mesa-hostmot2/TODO b/src/hal/drivers/mesa-hostmot2/TODO index df897a43f..681143681 100644 --- a/src/hal/drivers/mesa-hostmot2/TODO +++ b/src/hal/drivers/mesa-hostmot2/TODO @@ -66,6 +66,23 @@ next steps: +SPI: + + HM2 support SPI UARTs, which can talk to things like ADC/DAC/GPIO boards. + + Some reprap people have asked for this, for doing temperature sensing + of the extruder barrel. + + <pcw> Seb: here are two chips we use in the 7I65 for example: + <pcw> AD5754 + <pcw> AD7329 + <pcw> (plus a SPI EEPROM and SPI CPLD for GPIO) + <pcw> ( AD5754 quad 16 bit +-10V out DAC) + <pcw> ( AD7329 8 channel 1 M/S 12 bit + sign A-D) + + + + translation ram (tram): just do it @@ -163,12 +180,14 @@ stepgen: support table output mode - support velocity control? + support velocity-mode control support smaller stepgens - most dont need 6 pins... config="stepgen="off,on:width=2" + for now just use the first two io pins of each stepgen, leave the rest as gpio + @@ -312,6 +331,18 @@ how to configure the firmware? } hm2_config_t; + <seb_kuzminsky> cradek: what is this "hidden" you speak of? + <cradek> seems like a simple hack + <alex_joni> hal_show_pin() ? + <cradek> add a mask bit to each pin and make the things that traverse the list of pins skip them if they're masked + <alex_joni> hal_hide_pin() ? + <seb_kuzminsky> i asked jmk about it a while ago and he said he thought it would be hard + <alex_joni> I bet he doesn't think about hacks :P + <cradek> well he's smarter than me, so I'm sure I'm missing something + <seb_kuzminsky> he said the problem was modifying the list of hal objects from the realtime context + <seb_kuzminsky> i didnt really understand his whole explanation + + support the LED module (gtag 128) |