imu_crista_arch.c File Reference

#include "subsystems/imu.h"
#include "LPC21xx.h"
#include "armVIC.h"
#include "ssp_hw.h"
#include <BOARD_CONFIG>

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Macros
#define	ADS8344_SS_IODIR   IO0DIR
#define	ADS8344_SS_IOSET   IO0SET
#define	ADS8344_SS_IOCLR   IO0CLR
#define	ADS8344_SS_PIN   20
#define	ADS8344Select()   SetBit(ADS8344_SS_IOCLR,ADS8344_SS_PIN)
#define	ADS8344Unselect()   SetBit(ADS8344_SS_IOSET,ADS8344_SS_PIN)
#define	POWER_MODE   (1 << 1 | 1)
#define	SGL_DIF   1
#define	SSP_DSS   0x07 << 0 /* data size : 8 bits */
#define	SSP_FRF   0x00 << 4 /* frame format : SPI */
#define	SSP_CPOL   0x00 << 6 /* clock polarity : idle low */
#define	SSP_CPHA   0x00 << 7 /* clock phase : 1 */
#define	SSP_SCR   0x09 << 8 /* serial clock rate : 1MHz */
#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 : disabled */

Functions
static void	SPI1_ISR (void)
void	imu_crista_arch_init (void)
static void	read_values (void)
static void	send_request (void)
void	ADS8344_start (void)

Variables
static uint8_t	channel

Macro Definition Documentation

#define ADS8344_SS_IOCLR   IO0CLR

Definition at line 31 of file imu_crista_arch.c.

#define ADS8344_SS_IODIR   IO0DIR

Definition at line 29 of file imu_crista_arch.c.

Referenced by imu_crista_arch_init().

#define ADS8344_SS_IOSET   IO0SET

Definition at line 30 of file imu_crista_arch.c.

#define ADS8344_SS_PIN   20

Definition at line 32 of file imu_crista_arch.c.

Referenced by imu_crista_arch_init().

#define ADS8344Select

(

)

SetBit(ADS8344_SS_IOCLR,ADS8344_SS_PIN)

Definition at line 34 of file imu_crista_arch.c.

Referenced by ADS8344_start().

#define ADS8344Unselect

(

)

SetBit(ADS8344_SS_IOSET,ADS8344_SS_PIN)

Definition at line 35 of file imu_crista_arch.c.

Referenced by imu_crista_arch_init(), and SPI1_ISR().

#define POWER_MODE   (1 << 1 | 1)

Definition at line 37 of file imu_crista_arch.c.

Referenced by send_request().

#define SGL_DIF   1

Definition at line 38 of file imu_crista_arch.c.

Referenced by send_request().

#define SSP_CPHA   0x00 << 7 /* clock phase : 1 */

Definition at line 44 of file imu_crista_arch.c.

Referenced by imu_crista_arch_init().

#define SSP_CPOL   0x00 << 6 /* clock polarity : idle low */

Definition at line 43 of file imu_crista_arch.c.

Referenced by imu_crista_arch_init().

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

Definition at line 41 of file imu_crista_arch.c.

Referenced by imu_crista_arch_init().

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

Definition at line 42 of file imu_crista_arch.c.

Referenced by imu_crista_arch_init().

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

Definition at line 48 of file imu_crista_arch.c.

Referenced by imu_crista_arch_init().

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

Definition at line 50 of file imu_crista_arch.c.

Referenced by imu_crista_arch_init().

#define SSP_SCR   0x09 << 8 /* serial clock rate : 1MHz */

Definition at line 45 of file imu_crista_arch.c.

Referenced by imu_crista_arch_init().

#define SSP_SOD   0x00 << 3 /* slave output disable : disabled */

Definition at line 51 of file imu_crista_arch.c.

Referenced by imu_crista_arch_init().

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

Definition at line 49 of file imu_crista_arch.c.

Function Documentation

void ADS8344_start

(

void

)

Definition at line 101 of file imu_crista_arch.c.

References ADS8344Select, send_request(), SSP_ClearRti, SSP_Enable, and SSP_EnableRti.

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void imu_crista_arch_init

(

void

)

Definition at line 58 of file imu_crista_arch.c.

Referenced by imu_crista_init().

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static void read_values ( void  )

inlinestatic

Definition at line 83 of file imu_crista_arch.c.

References ADS8344_values, channel, foo, and SSPDR.

Referenced by SPI1_ISR().

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static void send_request ( void  )

inlinestatic

Definition at line 92 of file imu_crista_arch.c.

References POWER_MODE, SGL_DIF, and SSP_Send.

Referenced by ADS8344_start(), and SPI1_ISR().

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void SPI1_ISR ( void  )

static

Definition at line 110 of file imu_crista_arch.c.

References ADS8344_available, ADS8344Unselect, ISR_ENTRY, ISR_EXIT, read_values(), send_request(), SSP_ClearRti, and VICVectAddr.

Referenced by imu_crista_arch_init().

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Variable Documentation

uint8_t channel

static

Definition at line 54 of file imu_crista_arch.c.

Referenced by read_values().