diff options
| author | Bdale Garbee <bdale@gag.com> | 2010-01-31 12:19:32 -0700 |
|---|---|---|
| committer | Bdale Garbee <bdale@gag.com> | 2010-01-31 12:19:32 -0700 |
| commit | ea2f3bee5e2c2c93a739007ced6bc31e44f88e7c (patch) | |
| tree | 4bb5b8944cb179fbbe6cbc746416ce3ee278ff57 | |
| parent | f44a78fac0ee294c42d612bb977b7f6afaa0e8cb (diff) | |
update the TelePyro information
| -rw-r--r-- | TelePyro/index.mdwn | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/TelePyro/index.mdwn b/TelePyro/index.mdwn index a7583e9..95c335e 100644 --- a/TelePyro/index.mdwn +++ b/TelePyro/index.mdwn @@ -7,16 +7,17 @@ This is an 8-channel pyro expansion board for [TeleMetrum](../TeleMetrum/). It would be nice to support more than the 2 channels of igniter control included in the stock [TeleMetrum](../TeleMetrum/) design, so that we can fly more complex projects involving staging, air starts, and backup ejection -charges. +charges. We also want to experiment with better circuits for testing igniter +continuity, with the hope of being able to measure actual resistance and not +just continuity. ## Features ## ### User View ### * Small circuit board mounted near [TeleMetrum](../TeleMetrum/) -* Requires rework of [TeleMetrum](../TeleMetrum/) to replace onboard igniter -channels with cable providing access to LiPo power and implementing -I2C protocol. +* Requires [TeleMetrum](../TeleMetrum/) v0.2, as v0.1 does not have the + required companion board interface * Connections for 8 distinct igniter firing channels provided * Supports use of separate battery for ejection charges @@ -25,7 +26,7 @@ I2C protocol. * [Microchip 16F886](http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en530146) Microcontroller * 8k Flash * 386 bytes RAM - * I2C target interface + * SPI target interface * In-circuit programming interface * Software Features (planned) * Written in PIC assembler @@ -36,12 +37,8 @@ I2C protocol. * The hardware is licensed under the [TAPR](http://www.tapr.org) [Open Hardware License](http://www.tapr.org/ohl.html) * The software is licensed [GPL version 2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) -## Problems ## - -* Since we didn't anticipate this design, [TeleMetrum](../TeleMetrum/) needs -minor rework to interface with this board. - ## Artifacts ## -As of 11 April 2009, an incomplete schematic exists, but nothing is -published yet. +A schematic exists on [git.gag.com](http://git.gag.com) in the project +[hw/telepyro](http://git.gag.com/?p=hw/telepyro;a=summary), +but no prototypes have been built yet. |