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| author | px4dev <px4@purgatory.org> | 2012-08-27 21:19:27 -0700 |
|---|---|---|
| committer | px4dev <px4@purgatory.org> | 2012-08-27 21:19:27 -0700 |
| commit | 0bc9cfd0f95ba0fc2d415e8136bb0110558872eb (patch) | |
| tree | 44dd5dc4964549b7e8fff507408bfa15ae4fc7ad | |
| parent | e6f6a81d5bc6403e5207a7bf1f3c6a1eba6c7fe3 (diff) | |
| download | px4-firmware-0bc9cfd0f95ba0fc2d415e8136bb0110558872eb.tar.gz px4-firmware-0bc9cfd0f95ba0fc2d415e8136bb0110558872eb.tar.bz2 px4-firmware-0bc9cfd0f95ba0fc2d415e8136bb0110558872eb.zip | |
Adjust PPM input timing to deal with FrSky's fairly sloppy CPPM implementation
| -rw-r--r-- | nuttx/configs/px4fmu/src/up_hrt.c | 6 | ||||
| -rw-r--r-- | nuttx/configs/px4io/src/drv_ppm_input.c | 6 |
2 files changed, 6 insertions, 6 deletions
diff --git a/nuttx/configs/px4fmu/src/up_hrt.c b/nuttx/configs/px4fmu/src/up_hrt.c index 3792d0d21..c8ff1ce38 100644 --- a/nuttx/configs/px4fmu/src/up_hrt.c +++ b/nuttx/configs/px4fmu/src/up_hrt.c @@ -314,9 +314,9 @@ static void hrt_call_invoke(void); * PPM decoder tuning parameters */ # define PPM_MAX_PULSE_WIDTH 500 /* maximum width of a pulse */ -# define PPM_MIN_CHANNEL_VALUE 750 /* shortest valid channel signal */ -# define PPM_MAX_CHANNEL_VALUE 2400 /* longest valid channel signal */ -# define PPM_MIN_START 5000 /* shortest valid start gap */ +# define PPM_MIN_CHANNEL_VALUE 800 /* shortest valid channel signal */ +# define PPM_MAX_CHANNEL_VALUE 2200 /* longest valid channel signal */ +# define PPM_MIN_START 2500 /* shortest valid start gap */ /* decoded PPM buffer */ #define PPM_MAX_CHANNELS 12 diff --git a/nuttx/configs/px4io/src/drv_ppm_input.c b/nuttx/configs/px4io/src/drv_ppm_input.c index f25ae41e2..2db0fbf0b 100644 --- a/nuttx/configs/px4io/src/drv_ppm_input.c +++ b/nuttx/configs/px4io/src/drv_ppm_input.c @@ -96,9 +96,9 @@ * values are advertised to clients. */ #define PPM_MAX_PULSE_WIDTH 500 /* maximum width of a pulse */ -#define PPM_MIN_CHANNEL_VALUE 750 /* shortest valid channel signal */ -#define PPM_MAX_CHANNEL_VALUE 2400 /* longest valid channel signal */ -#define PPM_MIN_START 5000 /* shortest valid start gap */ +#define PPM_MIN_CHANNEL_VALUE 800 /* shortest valid channel signal */ +#define PPM_MAX_CHANNEL_VALUE 2200 /* longest valid channel signal */ +#define PPM_MIN_START 2500 /* shortest valid start gap */ /* Input timeout - after this interval we assume signal is lost */ #define PPM_INPUT_TIMEOUT 100 * 1000 /* 100ms */ |