ADS8344.c File Reference

#include "ADS8344.h"
#include "LPC21xx.h"
#include "armVIC.h"
#include <BOARD_CONFIG>
#include "led.h"
#include "mcu_periph/spi.h"

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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   0x0E << 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 */
#define	SPI1_VIC_SLOT   7

Functions
static void	SPI1_ISR (void)
void	ADS8344_init (void)
static void	read_values (void)
static void	send_request (void)
void	ADS8344_start (void)

Variables
bool	ADS8344_available
uint16_t	ADS8344_values [NB_CHANNELS]
static uint8_t	channel

Macro Definition Documentation

ADS8344_SS_IOCLR

#define ADS8344_SS_IOCLR   IO0CLR

Definition at line 32 of file ADS8344.c.

ADS8344_SS_IODIR

#define ADS8344_SS_IODIR   IO0DIR

Definition at line 30 of file ADS8344.c.

ADS8344_SS_IOSET

#define ADS8344_SS_IOSET   IO0SET

Definition at line 31 of file ADS8344.c.

ADS8344_SS_PIN

#define ADS8344_SS_PIN   20

Definition at line 33 of file ADS8344.c.

ADS8344Select

#define ADS8344Select

(

)

SetBit(ADS8344_SS_IOCLR,ADS8344_SS_PIN)

Definition at line 35 of file ADS8344.c.

ADS8344Unselect

#define ADS8344Unselect

(

)

SetBit(ADS8344_SS_IOSET,ADS8344_SS_PIN)

Definition at line 36 of file ADS8344.c.

POWER_MODE

#define POWER_MODE   (1 << 1 | 1)

Definition at line 41 of file ADS8344.c.

SGL_DIF

#define SGL_DIF   1

Definition at line 42 of file ADS8344.c.

SPI1_VIC_SLOT

#define SPI1_VIC_SLOT   7

Definition at line 85 of file ADS8344.c.

SSP_CPHA

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

Definition at line 69 of file ADS8344.c.

SSP_CPOL

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

Definition at line 68 of file ADS8344.c.

SSP_DSS

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

Definition at line 66 of file ADS8344.c.

SSP_FRF

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

Definition at line 67 of file ADS8344.c.

SSP_LBM

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

Definition at line 73 of file ADS8344.c.

SSP_MS

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

Definition at line 75 of file ADS8344.c.

SSP_SCR

#define SSP_SCR   0x0E << 8 /* serial clock rate : 1MHz */

Definition at line 70 of file ADS8344.c.

SSP_SOD

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

Definition at line 76 of file ADS8344.c.

SSP_SSE

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

Definition at line 74 of file ADS8344.c.

Function Documentation

ADS8344_init()

void ADS8344_init

(

void

)

Definition at line 88 of file ADS8344.c.

References _VIC_CNTL, ADS8344_available, ADS8344_SS_IODIR, ADS8344_SS_PIN, ADS8344Unselect, channel, PINSEL1, SPI1_ISR(), SPI1_VIC_SLOT, SSP_CPHA, SSP_CPOL, SSP_DSS, SSP_FRF, SSP_LBM, SSP_MS, SSP_SCR, SSP_SOD, SSPCPSR, SSPCR0, SSPCR1, VIC_BIT, VIC_ENABLE, VIC_SPI1, VICIntEnable, and VICIntSelect.

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ADS8344_start()

void ADS8344_start

(

void

)

Definition at line 132 of file ADS8344.c.

References ADS8344Select, send_request(), SpiClearRti(), SpiEnable, and SpiEnableRti().

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read_values()

static void read_values ( void  )

inlinestatic

Definition at line 113 of file ADS8344.c.

References ADS8344_values, channel, foo, and SSPDR.

Referenced by SPI1_ISR().

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send_request()

static void send_request ( void  )

inlinestatic

Definition at line 122 of file ADS8344.c.

References channel, POWER_MODE, SGL_DIF, and SSPDR.

Referenced by ADS8344_start(), and SPI1_ISR().

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SPI1_ISR()

void SPI1_ISR ( void  )

static

Definition at line 141 of file ADS8344.c.

References ADS8344_available, channel, ISR_ENTRY, ISR_EXIT, LED_TOGGLE, read_values(), send_request(), SpiClearRti(), and VICVectAddr.

Referenced by ADS8344_init().

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Variable Documentation

ADS8344_available

bool ADS8344_available

Definition at line 38 of file ADS8344.c.

Referenced by ADS8344_init(), and SPI1_ISR().

ADS8344_values

uint16_t ADS8344_values[NB_CHANNELS]

Definition at line 39 of file ADS8344.c.

Referenced by read_values().

channel

uint8_t channel

static

Definition at line 80 of file ADS8344.c.

Referenced by adc1callback(), adc_regular_sequence(), adcISR0(), adcISR1(), ADS8344_init(), bf_adcGetChannel(), decode_hott_buffer(), decode_sbus_buffer(), get_pwm_input_duty_in_usec(), get_pwm_input_period_in_usec(), nps_radio_control_spektrum_init(), nullReadRawRC(), percent_from_rc(), pwm_sysfs_init(), read_values(), rxSpiReadRawRC(), send_request(), and SPI1_ISR().