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* altos: Restructure altos build to prepare for multi-arch supportKeith Packard2011-08-25
| | | | | | | | | | | | | | Split out sources into separate directories: core: architecture and product independent bits cc1111: cc1111-specific code drivers: architecture independent drivers product: product-specific sources and Makefile fragments util: scripts for building stuff This should have no effect on the built products, but testing is encouraged Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Add SPI-based companion board supportKeith Packard2011-08-13
| | | | | | | This sends current flight state information and retrieves companion data to include in telemetry. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Split out SPI driver.Keith Packard2010-12-22
For TM with the companion connector, the SPI bus will be shared among multiple devices. Split out the existing SPI code into a common driver, with the SPI bus protected by a mutex. Signed-off-by: Keith Packard <keithp@keithp.com>