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bluegiga.c File Reference

Datalink implementation for the BlueGiga Bluetooth radio chip trough SPI. More...

#include "mcu_periph/sys_time.h"
#include "subsystems/datalink/bluegiga.h"
#include "mcu_periph/gpio.h"
#include "mcu_periph/spi.h"
#include "subsystems/abi.h"
#include <string.h>
#include "subsystems/datalink/telemetry.h"
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Go to the source code of this file.

Macros

#define BLUEGIGA_DRDY_GPIO   SUPERBITRF_DRDY_PORT
 
#define BLUEGIGA_DRDY_GPIO_PIN   SUPERBITRF_DRDY_PIN
 
#define TxStrengthOfSender(x)   (x[1])
 
#define RssiOfSender(x)   (x[2])
 
#define Pprz_StxOfMsg(x)   (x[3])
 
#define SenderIdOfBGMsg(x)   (x[5])
 

Functions

void bluegiga_load_tx (struct bluegiga_periph *p)
 
void bluegiga_transmit (struct bluegiga_periph *p, uint8_t data)
 
void bluegiga_receive (struct spi_transaction *trans)
 
static int dev_check_free_space (struct bluegiga_periph *p, long *fd, uint16_t len)
 
static void dev_put_buffer (struct bluegiga_periph *p, long fd, uint8_t *data, uint16_t len)
 
static void dev_put_byte (struct bluegiga_periph *p, long fd, uint8_t byte)
 
static void dev_send_message (struct bluegiga_periph *p, long fd)
 
static int dev_char_available (struct bluegiga_periph *p)
 
static uint8_t dev_get_byte (struct bluegiga_periph *p)
 
static void trans_cb (struct spi_transaction *trans)
 
bool bluegiga_ch_available (struct bluegiga_periph *p)
 
void bluegiga_increment_buf (uint8_t *buf_idx, uint8_t len)
 
static void send_bluegiga (struct transport_tx *trans, struct link_device *dev)
 
void bluegiga_init (struct bluegiga_periph *p)
 
void bluegiga_broadcast_msg (struct bluegiga_periph *p, char *msg, uint8_t msg_len)
 

Variables

enum BlueGigaStatus coms_status
 
struct bluegiga_periph bluegiga_p
 
struct spi_transaction bluegiga_spi
 
uint8_t broadcast_msg [20]
 
uint32_t a2a_msgs = 0
 
uint32_t last_ts = 0
 

Detailed Description

Datalink implementation for the BlueGiga Bluetooth radio chip trough SPI.

Definition in file bluegiga.c.

Macro Definition Documentation

#define BLUEGIGA_DRDY_GPIO   SUPERBITRF_DRDY_PORT

Definition at line 48 of file bluegiga.c.

Referenced by bluegiga_broadcast_msg(), bluegiga_init(), and bluegiga_receive().

#define BLUEGIGA_DRDY_GPIO_PIN   SUPERBITRF_DRDY_PIN

Definition at line 52 of file bluegiga.c.

Referenced by bluegiga_broadcast_msg(), bluegiga_init(), and bluegiga_receive().

#define Pprz_StxOfMsg (   x)    (x[3])

Definition at line 57 of file bluegiga.c.

Referenced by bluegiga_receive().

#define RssiOfSender (   x)    (x[2])

Definition at line 56 of file bluegiga.c.

Referenced by bluegiga_receive().

#define SenderIdOfBGMsg (   x)    (x[5])

Definition at line 58 of file bluegiga.c.

Referenced by bluegiga_receive().

#define TxStrengthOfSender (   x)    (x[1])

Definition at line 55 of file bluegiga.c.

Referenced by bluegiga_receive().

Function Documentation

void bluegiga_broadcast_msg ( struct bluegiga_periph p,
char *  msg,
uint8_t  msg_len 
)

Definition at line 343 of file bluegiga.c.

References BLUEGIGA_DRDY_GPIO, BLUEGIGA_DRDY_GPIO_PIN, BLUEGIGA_SENDING, BLUEGIGA_SENDING_BROADCAST, broadcast_msg, coms_status, gpio_clear(), and bluegiga_periph::work_tx.

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bool bluegiga_ch_available ( struct bluegiga_periph p)

Definition at line 116 of file bluegiga.c.

References bluegiga_periph::rx_extract_idx, and bluegiga_periph::rx_insert_idx.

Referenced by dev_char_available().

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void bluegiga_increment_buf ( uint8_t buf_idx,
uint8_t  len 
)

Definition at line 122 of file bluegiga.c.

References BLUEGIGA_BUFFER_SIZE.

Referenced by bluegiga_load_tx(), bluegiga_receive(), bluegiga_transmit(), and dev_get_byte().

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void bluegiga_load_tx ( struct bluegiga_periph p)

Definition at line 217 of file bluegiga.c.

References BLUEGIGA_BUFFER_SIZE, BLUEGIGA_IDLE, bluegiga_increment_buf(), BLUEGIGA_SENDING, BLUEGIGA_SPI_BUF_SIZE, coms_status, bluegiga_periph::end_of_msg, bluegiga_periph::tx_buf, bluegiga_periph::tx_extract_idx, and bluegiga_periph::work_tx.

Referenced by bluegiga_receive().

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void bluegiga_transmit ( struct bluegiga_periph p,
uint8_t  data 
)

Definition at line 207 of file bluegiga.c.

References bluegiga_increment_buf(), BLUEGIGA_UNINIT, coms_status, dev_check_free_space(), fd, bluegiga_periph::tx_buf, and bluegiga_periph::tx_insert_idx.

Referenced by dev_put_buffer(), and dev_put_byte().

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static int dev_char_available ( struct bluegiga_periph p)
static

Definition at line 96 of file bluegiga.c.

References bluegiga_ch_available().

Referenced by bluegiga_init().

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static int dev_check_free_space ( struct bluegiga_periph p,
long *  fd,
uint16_t  len 
)
static

Definition at line 71 of file bluegiga.c.

References BLUEGIGA_BUFFER_SIZE, bluegiga_periph::tx_extract_idx, and bluegiga_periph::tx_insert_idx.

Referenced by bluegiga_init(), and bluegiga_transmit().

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static uint8_t dev_get_byte ( struct bluegiga_periph p)
static

Definition at line 102 of file bluegiga.c.

References bluegiga_increment_buf(), bluegiga_periph::rx_buf, and bluegiga_periph::rx_extract_idx.

Referenced by bluegiga_init().

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static void dev_put_buffer ( struct bluegiga_periph p,
long  fd,
uint8_t data,
uint16_t  len 
)
static

Definition at line 81 of file bluegiga.c.

References bluegiga_transmit().

Referenced by bluegiga_init().

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static void dev_put_byte ( struct bluegiga_periph p,
long  fd,
uint8_t  byte 
)
static

Definition at line 88 of file bluegiga.c.

References bluegiga_transmit().

Referenced by bluegiga_init().

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static void dev_send_message ( struct bluegiga_periph p,
long  fd 
)
static

Definition at line 92 of file bluegiga.c.

References bluegiga_periph::end_of_msg, and bluegiga_periph::tx_insert_idx.

Referenced by bluegiga_init().

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static void send_bluegiga ( struct transport_tx *  trans,
struct link_device *  dev 
)
static

Definition at line 132 of file bluegiga.c.

References bluegiga_p, bluegiga_periph::bytes_recvd_since_last, get_sys_time_msec(), and last_ts.

Referenced by bluegiga_init().

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static void trans_cb ( struct spi_transaction trans)
static

Definition at line 110 of file bluegiga.c.

References bluegiga_receive().

Referenced by bluegiga_init().

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Variable Documentation

uint32_t a2a_msgs = 0

Definition at line 127 of file bluegiga.c.

struct bluegiga_periph bluegiga_p

Definition at line 61 of file bluegiga.c.

Referenced by bluegiga_dl_init(), bluegiga_receive(), and send_bluegiga().

struct spi_transaction bluegiga_spi

Definition at line 62 of file bluegiga.c.

Referenced by bluegiga_init().

uint8_t broadcast_msg[20]

Definition at line 64 of file bluegiga.c.

Referenced by bluegiga_broadcast_msg(), bluegiga_init(), and bluegiga_receive().