Paparazzi UAS  v5.0.5_stable-7-g4b8bbb7
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adxl345_spi.h
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1 /*
2  * Copyright (C) 2013 Felix Ruess <felix.ruess@gmail.com>
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21 
28 #ifndef ADXL345_SPI_H
29 #define ADXL345_SPI_H
30 
31 #include "std.h"
32 #include "math/pprz_algebra_int.h"
33 #include "mcu_periph/spi.h"
34 
35 /* Include common ADXL345 options and definitions */
36 #include "peripherals/adxl345.h"
37 
38 
39 struct Adxl345_Spi {
40  struct spi_periph *spi_p;
42  volatile uint8_t tx_buf[7];
43  volatile uint8_t rx_buf[7];
45  bool_t initialized;
46  volatile bool_t data_available;
47  union {
48  struct Int16Vect3 vect;
50  } data;
52 };
53 
54 // Functions
55 extern void adxl345_spi_init(struct Adxl345_Spi *adxl, struct spi_periph *spi_p, uint8_t addr);
56 extern void adxl345_spi_start_configure(struct Adxl345_Spi *adxl);
57 extern void adxl345_spi_read(struct Adxl345_Spi *adxl);
58 extern void adxl345_spi_event(struct Adxl345_Spi *adxl);
59 
61 static inline void adxl345_spi_periodic(struct Adxl345_Spi *adxl) {
62  if (adxl->initialized)
63  adxl345_spi_read(adxl);
64  else
66 }
67 
68 #endif // ADXL345_SPI_H
union Adxl345_Spi::@18 data
volatile bool_t data_available
data ready flag
Definition: adxl345_spi.h:46
struct spi_periph * spi_p
Definition: adxl345_spi.h:40
volatile uint8_t tx_buf[7]
Definition: adxl345_spi.h:42
Architecture independent SPI (Serial Peripheral Interface) API.
void adxl345_spi_start_configure(struct Adxl345_Spi *adxl)
Definition: adxl345_spi.c:107
void adxl345_spi_event(struct Adxl345_Spi *adxl)
Definition: adxl345_spi.c:130
struct spi_transaction spi_trans
Definition: adxl345_spi.h:41
enum Adxl345ConfStatus init_status
init status
Definition: adxl345_spi.h:44
bool_t initialized
config done flag
Definition: adxl345_spi.h:45
signed short int16_t
Definition: types.h:17
Adxl345ConfStatus
Definition: adxl345.h:36
int16_t value[3]
data values accessible by channel index
Definition: adxl345_spi.h:49
unsigned char uint8_t
Definition: types.h:14
struct Int16Vect3 vect
data vector in accel coordinate system
Definition: adxl345_spi.h:48
void adxl345_spi_read(struct Adxl345_Spi *adxl)
Definition: adxl345_spi.c:117
void adxl345_spi_init(struct Adxl345_Spi *adxl, struct spi_periph *spi_p, uint8_t addr)
Definition: adxl345_spi.c:35
SPI transaction structure.
Definition: spi.h:142
struct Adxl345Config config
Definition: adxl345_spi.h:51
Analog Devices ADXL345 accelerometer driver common interface (I2C and SPI).
static void adxl345_spi_periodic(struct Adxl345_Spi *adxl)
convenience function: read or start configuration if not already initialized
Definition: adxl345_spi.h:61
volatile uint8_t rx_buf[7]
Definition: adxl345_spi.h:43
Paparazzi fixed point algebra.