baro_scp.c File Reference

#include "std.h"
#include "mcu_periph/sys_time.h"
#include "led.h"
#include "mcu.h"
#include "subsystems/abi.h"
#include "mcu_periph/uart.h"
#include "pprzlink/messages.h"
#include "subsystems/datalink/downlink.h"
#include "mcu_periph/spi.h"
#include "modules/sensors/baro_scp.h"

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Macros
#define	STA_UNINIT   0
#define	STA_INITIALISING   1
#define	STA_IDLE   2
#define	SSP_CLOCK   468750
#define	SSP_DDS   0x07 << 0 /* data size : 8 bits */
#define	SSP_FRF   0x00 << 4 /* frame format : SPI */
#define	SSP_CPOL   0x00 << 6 /* clock polarity : data captured on first clock transition */
#define	SSP_CPHA   0x00 << 7 /* clock phase : SCK idles low */
#define	SSP_SCR   0x0F << 8 /* serial clock rate : divide by 16 */
#define	SSP_LBM   0x00 << 0 /* loopback mode : disabled */
#define	SSP_SSE   0x00 << 1 /* SSP enable : disabled */
#define	SSP_MS   0x00 << 2 /* master slave mode : master */
#define	SSP_SOD   0x00 << 3 /* slave output disable : don't care when master */
#define	SS_PIN   20
#define	SS_IODIR   IO0DIR
#define	SS_IOSET   IO0SET
#define	SS_IOCLR   IO0CLR
#define	ScpSelect()   SetBit(SS_IOCLR,SS_PIN)
#define	ScpUnselect()   SetBit(SS_IOSET,SS_PIN)
#define	SPI1_VIC_SLOT   7

Functions
static void	baro_scp_start_high_res_measurement (void)
static void	baro_scp_read (void)
static void	EXTINT_ISR (void)
static void	SPI1_ISR (void)
void	baro_scp_periodic (void)
void	baro_scp_init (void)
void	baro_scp_event (void)

Variables
uint8_t	baro_scp_status
uint32_t	baro_scp_pressure
uint16_t	baro_scp_temperature
bool	baro_scp_available

Macro Definition Documentation

ScpSelect

#define ScpSelect

(

)

SetBit(SS_IOCLR,SS_PIN)

Definition at line 63 of file baro_scp.c.

ScpUnselect

#define ScpUnselect

(

)

SetBit(SS_IOSET,SS_PIN)

Definition at line 64 of file baro_scp.c.

SPI1_VIC_SLOT

#define SPI1_VIC_SLOT   7

Definition at line 69 of file baro_scp.c.

SS_IOCLR

#define SS_IOCLR   IO0CLR

Definition at line 61 of file baro_scp.c.

SS_IODIR

#define SS_IODIR   IO0DIR

Definition at line 59 of file baro_scp.c.

SS_IOSET

#define SS_IOSET   IO0SET

Definition at line 60 of file baro_scp.c.

SS_PIN

#define SS_PIN   20

Definition at line 58 of file baro_scp.c.

SSP_CLOCK

#define SSP_CLOCK   468750

Definition at line 43 of file baro_scp.c.

SSP_CPHA

#define SSP_CPHA   0x00 << 7 /* clock phase : SCK idles low */

Definition at line 49 of file baro_scp.c.

SSP_CPOL

#define SSP_CPOL   0x00 << 6 /* clock polarity : data captured on first clock transition */

Definition at line 48 of file baro_scp.c.

SSP_DDS

#define SSP_DDS   0x07 << 0 /* data size : 8 bits */

Definition at line 46 of file baro_scp.c.

SSP_FRF

#define SSP_FRF   0x00 << 4 /* frame format : SPI */

Definition at line 47 of file baro_scp.c.

SSP_LBM

#define SSP_LBM   0x00 << 0 /* loopback mode : disabled */

Definition at line 53 of file baro_scp.c.

SSP_MS

#define SSP_MS   0x00 << 2 /* master slave mode : master */

Definition at line 55 of file baro_scp.c.

SSP_SCR

#define SSP_SCR   0x0F << 8 /* serial clock rate : divide by 16 */

Definition at line 50 of file baro_scp.c.

SSP_SOD

#define SSP_SOD   0x00 << 3 /* slave output disable : don't care when master */

Definition at line 56 of file baro_scp.c.

SSP_SSE

#define SSP_SSE   0x00 << 1 /* SSP enable : disabled */

Definition at line 54 of file baro_scp.c.

STA_IDLE

#define STA_IDLE   2

Definition at line 22 of file baro_scp.c.

STA_INITIALISING

#define STA_INITIALISING   1

Definition at line 21 of file baro_scp.c.

STA_UNINIT

#define STA_UNINIT   0

Definition at line 20 of file baro_scp.c.

Function Documentation

baro_scp_event()

void baro_scp_event

(

void

)

Definition at line 188 of file baro_scp.c.

baro_scp_init()

void baro_scp_init

(

void

)

Definition at line 72 of file baro_scp.c.

baro_scp_periodic()

void baro_scp_periodic

(

void

)

Definition at line 34 of file baro_scp.c.

baro_scp_read()

static void baro_scp_read ( void  )

static

Definition at line 171 of file baro_scp.c.

References ScpSelect, SpiEnable, and SSPDR.

Referenced by EXTINT_ISR().

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baro_scp_start_high_res_measurement()

static void baro_scp_start_high_res_measurement ( void  )

static

Definition at line 159 of file baro_scp.c.

References Ms5611_Spi::data, ScpSelect, SpiEnable, SpiEnableRti(), and SSPDR.

Referenced by baro_scp_periodic().

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EXTINT_ISR()

void EXTINT_ISR ( void  )

static

Definition at line 148 of file baro_scp.c.

References baro_scp_read(), EXTINT, ISR_ENTRY, ISR_EXIT, SPI1_DRDY_EINT, and VICVectAddr.

Referenced by baro_scp_init().

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SPI1_ISR()

void SPI1_ISR ( void  )

static

Definition at line 109 of file baro_scp.c.

References baro_scp_available, baro_scp_pressure, baro_scp_status, baro_scp_temperature, ISR_ENTRY, ISR_EXIT, ScpUnselect, SpiClearRti(), SpiDisable, SSPDR, STA_IDLE, STA_INITIALISING, and VICVectAddr.

Referenced by baro_scp_init().

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Variable Documentation

baro_scp_available

bool baro_scp_available

Definition at line 27 of file baro_scp.c.

Referenced by baro_scp_event(), and SPI1_ISR().

baro_scp_pressure

uint32_t baro_scp_pressure

Definition at line 25 of file baro_scp.c.

Referenced by baro_scp_event(), and SPI1_ISR().

baro_scp_status

uint8_t baro_scp_status

Definition at line 24 of file baro_scp.c.

Referenced by baro_scp_init(), baro_scp_periodic(), and SPI1_ISR().

baro_scp_temperature

uint16_t baro_scp_temperature

Definition at line 26 of file baro_scp.c.

Referenced by baro_scp_event(), and SPI1_ISR().