spektrum.h File Reference

Radio control spektrum interface. More...

#include "std.h"
#include "spektrum_radio.h"

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Data Structures
struct	spektrum_sat_t
struct	spektrum_t

Macros
#define	SPEKTRUM_SATELLITES_NB   2
#define	SPEKTRUM_FRAME_LEN   16
	16 bytes in a standard frame
#define	SPEKTRUM_CHANNELS_PER_FRAME   7
	Maximum amount of RC channels per frame.
#define	SPEKTRUM_MAX_FRAMES   2
	Maximum amount of RC frames containing different channels.
#define	SPEKTRUM_MAX_CHANNELS   (SPEKTRUM_CHANNELS_PER_FRAME * SPEKTRUM_MAX_FRAMES)
#define	SPEKTRUM_MIN_FRAME_SPACE   7
	Minum amount of time between frames (7ms), in fact either 11 or 22 ms.

Functions
void	spektrum_init (void)
	Main Radio initialization.
void	spektrum_event (void)
	Checks if there is one valid satellite and sets the radio_control structure.
void	spektrum_try_bind (void)

Detailed Description

Radio control spektrum interface.

Definition in file spektrum.h.

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Data Structure Documentation

spektrum_sat_t

struct spektrum_sat_t

Definition at line 48 of file spektrum.h.

Data Fields
uint8_t	buf[SPEKTRUM_FRAME_LEN]	input buffer
uint8_t	idx	input buffer index
uint8_t	lost_frame_cnt	Amount of RC frames lost.
uint32_t	timer	Timer to keep track of the UART synchronisation.
bool	valid	True when we received a packet else false.
int16_t	values[SPEKTRUM_MAX_CHANNELS]	RC channel values.

spektrum_t

struct spektrum_t

Definition at line 58 of file spektrum.h.

Collaboration diagram for spektrum_t:

Data Fields
struct spektrum_sat_t	satellites[SPEKTRUM_SATELLITES_NB]	All the satellites connected.
int8_t	signs[SPEKTRUM_NB_CHANNEL]	Signs for the RC channels.
uint8_t	tx_type	Transmitter type encoded (see wiki)
bool	valid	True when we received a packet else false.

Macro Definition Documentation

SPEKTRUM_CHANNELS_PER_FRAME

#define SPEKTRUM_CHANNELS_PER_FRAME   7

Maximum amount of RC channels per frame.

Definition at line 42 of file spektrum.h.

SPEKTRUM_FRAME_LEN

#define SPEKTRUM_FRAME_LEN   16

16 bytes in a standard frame

Definition at line 41 of file spektrum.h.

SPEKTRUM_MAX_CHANNELS

#define SPEKTRUM_MAX_CHANNELS   (SPEKTRUM_CHANNELS_PER_FRAME * SPEKTRUM_MAX_FRAMES)

Definition at line 44 of file spektrum.h.

SPEKTRUM_MAX_FRAMES

#define SPEKTRUM_MAX_FRAMES   2

Maximum amount of RC frames containing different channels.

Definition at line 43 of file spektrum.h.

SPEKTRUM_MIN_FRAME_SPACE

#define SPEKTRUM_MIN_FRAME_SPACE   7

Minum amount of time between frames (7ms), in fact either 11 or 22 ms.

Definition at line 45 of file spektrum.h.

SPEKTRUM_SATELLITES_NB

#define SPEKTRUM_SATELLITES_NB   2

Definition at line 38 of file spektrum.h.

Function Documentation

spektrum_event()

void spektrum_event ( void  )

extern

Checks if there is one valid satellite and sets the radio_control structure.

Definition at line 44 of file spektrum_arch.c.

References foo, RadioControl::frame_cpt, MAX_PPRZ, RadioControl::nb_channel, radio_control, RADIO_CONTROL_SPEKTRUM_ID, RC_OK, spektrum_t::satellites, spektrum_t::signs, spektrum, spektrum_available, SPEKTRUM_SATELLITES_NB, spektrum_uart_check(), RadioControl::status, RadioControl::time_since_last_frame, spektrum_sat_t::valid, spektrum_t::valid, RadioControl::values, and spektrum_sat_t::values.

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spektrum_init()

void spektrum_init ( void  )

extern

Main Radio initialization.

Definition at line 39 of file spektrum_arch.c.

References gpio_setup_output(), RadioControl::nb_channel, radio_control, RC_POLARITY_GPIO_PIN, RC_POLARITY_GPIO_PORT, RC_SET_POLARITY, spektrum_t::satellites, spektrum_t::signs, spektrum, spektrum_available, spektrum_init_sat(), SPEKTRUM_NB_CHANNEL, and spektrum_signs.

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spektrum_try_bind()

void spektrum_try_bind ( void  )

extern

Definition at line 55 of file spektrum_arch.c.

References gpio_get(), gpio_setup_input_pulldown(), gpio_setup_input_pullup(), spektrum_bind(), SPEKTRUM_BIND_PIN, SPEKTRUM_BIND_PIN_PORT, and sys_time_usleep().

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