Paparazzi UAS  v7.0_unstable
Paparazzi is a free software Unmanned Aircraft System.
adxl345_spi.h
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1 /*
2  * Copyright (C) 2013 Felix Ruess <felix.ruess@gmail.com>
3  *
4  * This file is part of paparazzi.
5  *
6  * paparazzi is free software; you can redistribute it and/or modify
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14  * GNU General Public License for more details.
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18  * the Free Software Foundation, 59 Temple Place - Suite 330,
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20  */
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 initialized;
46  volatile bool data_available;
47  union {
48  struct Int16Vect3 vect;
49  int16_t value[3];
50  } data;
51  struct Adxl345Config config;
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 {
63  if (adxl->initialized) {
64  adxl345_spi_read(adxl);
65  } else {
67  }
68 }
69 
70 #endif // ADXL345_SPI_H
Analog Devices ADXL345 accelerometer driver common interface (I2C and SPI).
Adxl345ConfStatus
Definition: adxl345.h:36
volatile uint8_t rx_buf[7]
Definition: adxl345_spi.h:43
void adxl345_spi_start_configure(struct Adxl345_Spi *adxl)
Definition: adxl345_spi.c:108
struct Adxl345Config config
Definition: adxl345_spi.h:51
volatile uint8_t tx_buf[7]
Definition: adxl345_spi.h:42
struct spi_periph * spi_p
Definition: adxl345_spi.h:40
bool initialized
config done flag
Definition: adxl345_spi.h:45
union Adxl345_Spi::@309 data
enum Adxl345ConfStatus init_status
init status
Definition: adxl345_spi.h:44
volatile bool data_available
data ready flag
Definition: adxl345_spi.h:46
struct spi_transaction spi_trans
Definition: adxl345_spi.h:41
static void adxl345_spi_periodic(struct Adxl345_Spi *adxl)
convenience function: read or start configuration if not already initialized
Definition: adxl345_spi.h:61
void adxl345_spi_init(struct Adxl345_Spi *adxl, struct spi_periph *spi_p, uint8_t addr)
Definition: adxl345_spi.c:35
void adxl345_spi_event(struct Adxl345_Spi *adxl)
Definition: adxl345_spi.c:131
void adxl345_spi_read(struct Adxl345_Spi *adxl)
Definition: adxl345_spi.c:118
SPI peripheral structure.
Definition: spi.h:174
SPI transaction structure.
Definition: spi.h:148
Paparazzi fixed point algebra.
Architecture independent SPI (Serial Peripheral Interface) API.
short int16_t
Typedef defining 16 bit short type.
Definition: vl53l1_types.h:93
unsigned char uint8_t
Typedef defining 8 bit unsigned char type.
Definition: vl53l1_types.h:98