mjb/altos/src/drivers/ao_cc1120.c, branch 1.4.9.2

altos: Rework packet receive for cc1120

2014-07-05T07:38:10+00:00

Instead of blocking on PQT, just set up the receiver to start going and when the first bit interrupt comes in, grab the SPI bus if possible and configure it for reception. This improves sensitivity in the radio by a significant amount while making the code conceptually a bit nicer. Signed-off-by: Keith Packard

altos: Add telemetry rate support to CC1120 driver

2014-07-05T07:38:10+00:00

This supports the new 2400 and 9600 baud rates Signed-off-by: Keith Packard

altos: Clean up -Wextra warnings

2013-12-21T06:44:04+00:00

Unused variables, mismatching signed/unsigned and a few other misc warnings. Signed-off-by: Keith Packard

altos: Clean up some minor warnings from -Wall

2013-12-21T06:19:35+00:00

Unused variables, functions and labels, missing enums in switch. Signed-off-by: Keith Packard

altos: Generate unmodulated carrier for CC1120 test mode

2013-05-16T05:13:08+00:00

This sets the deviation to 0, enables the preamble and turns on the transmitter. It will sit there happily sending a bare carrier forever Signed-off-by: Keith Packard

altos: Set APRS deviation to 3kHz

2013-05-08T03:08:01+00:00

I finally found a bunch of references to APRS on the net and they all appear to assume a 3kHz deviation. Let's see if this works better with Yaesu radios. Signed-off-by: Keith Packard

altos: Make cc1120 driver return false on recv timeout

2013-05-08T03:08:00+00:00

Was returning an uninitialized value, which was often not zero Signed-off-by: Keith Packard

altos: Compute "real" RSSI value in radio code as needed

2013-05-08T03:07:54+00:00

Instead of dragging around the weird CC1111 RSSI values, just compute a dBm value in a signed 8-bit integer, ao_radio_rssi. Use that everywhere we need RSSI internally. We leave the weird CC1111 value in the packet reply as that's what the host expects. Signed-off-by: Keith Packard

altos: Clear any broken cc1120 TX fifo bits before transmitting

2013-05-08T03:07:52+00:00

This just goes and clears the transmitter before using it, just in case it got wedged somehow. It also clears the bits while waiting for the radio to go idle, otherwise it'd never make it. Signed-off-by: Keith Packard

altos: Make cc1120 driver wait for TX finished

2013-05-08T03:07:52+00:00

Otherwise, we may come in and try to use the radio again too quickly, causing it to go into a TX fifo error state. This change watches the MARC status until the transmitter is explicitly marked as finished. Signed-off-by: Keith Packard