ppm_decode.h File Reference

PPM input decoder. More...

#include <drivers/drv_hrt.h>

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Macros
#define	PPM_MAX_CHANNELS   12
	Maximum number of channels that we will decode. More...
#define	PPM_MIN   1000
#define	PPM_MAX   2000
#define	PPM_MID   ((PPM_MIN + PPM_MAX) / 2)

Variables
__BEGIN_DECLS __EXPORT uint16_t	ppm_buffer [PPM_MAX_CHANNELS]
	decoded PPM channel values More...
__EXPORT uint16_t	ppm_frame_length
	length of the decoded PPM frame (includes gap) More...
__EXPORT unsigned	ppm_decoded_channels
	count of decoded channels More...
__EXPORT hrt_abstime	ppm_last_valid_decode
	timestamp of the last valid decode More...

Detailed Description

PPM input decoder.

Definition in file ppm_decode.h.

Macro Definition Documentation

PPM_MAX

#define PPM_MAX   2000

Definition at line 51 of file ppm_decode.h.

PPM_MAX_CHANNELS

#define PPM_MAX_CHANNELS   12

Maximum number of channels that we will decode.

Definition at line 47 of file ppm_decode.h.

Referenced by ppm_input().

PPM_MID

#define PPM_MID   ((PPM_MIN + PPM_MAX) / 2)

Definition at line 52 of file ppm_decode.h.

PPM_MIN

#define PPM_MIN   1000

Definition at line 50 of file ppm_decode.h.

Variable Documentation

ppm_buffer

__BEGIN_DECLS __EXPORT uint16_t ppm_buffer[PPM_MAX_CHANNELS]

decoded PPM channel values

Referenced by RCInput::cycle(), and ppm_input().

ppm_decoded_channels

__EXPORT unsigned ppm_decoded_channels

count of decoded channels

Referenced by RCInput::cycle(), and ppm_input().

ppm_frame_length

__EXPORT uint16_t ppm_frame_length

length of the decoded PPM frame (includes gap)

Referenced by RCInput::cycle(), and ppm_input().

ppm_last_valid_decode

__EXPORT hrt_abstime ppm_last_valid_decode

timestamp of the last valid decode

Referenced by RCInput::cycle(), and ppm_input().