wind_gfi.c File Reference

GFI wind speed/direction sensor interface. More...

#include "modules/meteo/wind_gfi.h"
#include "mcu_periph/i2c.h"
#include "led.h"
#include "mcu_periph/uart.h"
#include "pprzlink/messages.h"
#include "subsystems/datalink/downlink.h"

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Macros
#define	ZERO_OFFSET_DEGREES   45.
#define	PCF_I2C_DEV   i2c0
#define	PCF_SLAVE_ADDR   0x40

Functions
void	wind_gfi_init (void)
void	wind_gfi_periodic (void)
void	wind_gfi_event (void)

Variables
struct i2c_transaction	pcf_trans
uint32_t	pcf_direction
uint8_t	pcf_status

Detailed Description

GFI wind speed/direction sensor interface.

Uses HEDS-5540_A06, HCTL-2017_A00 and PCF8575.

Definition in file wind_gfi.c.

Macro Definition Documentation

#define PCF_I2C_DEV   i2c0

Definition at line 45 of file wind_gfi.c.

Referenced by wind_gfi_event(), and wind_gfi_periodic().

#define PCF_SLAVE_ADDR   0x40

Definition at line 51 of file wind_gfi.c.

Referenced by wind_gfi_event(), and wind_gfi_periodic().

#define ZERO_OFFSET_DEGREES   45.

Definition at line 41 of file wind_gfi.c.

Referenced by wind_gfi_event().

Function Documentation

void wind_gfi_event

(

void

)

Definition at line 72 of file wind_gfi.c.

References i2c_transaction::buf, DefaultChannel, DefaultDevice, i2c_receive(), i2c_transmit(), I2CTransDone, I2CTransSuccess, pcf_direction, PCF_I2C_DEV, PCF_IDLE, PCF_READ_LSB, PCF_READ_MSB, PCF_SET_OE_LSB, PCF_SET_OE_MSB, PCF_SLAVE_ADDR, pcf_status, pcf_trans, i2c_transaction::status, and ZERO_OFFSET_DEGREES.

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void wind_gfi_init

(

void

)

Definition at line 57 of file wind_gfi.c.

References I2CTransDone, PCF_IDLE, pcf_status, pcf_trans, and i2c_transaction::status.

void wind_gfi_periodic

(

void

)

Definition at line 63 of file wind_gfi.c.

References i2c_transaction::buf, i2c_transmit(), PCF_I2C_DEV, PCF_SET_OE_LSB, PCF_SLAVE_ADDR, pcf_status, and pcf_trans.

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Variable Documentation

uint32_t pcf_direction

Definition at line 54 of file wind_gfi.c.

Referenced by wind_gfi_event().

uint8_t pcf_status

Definition at line 55 of file wind_gfi.c.

Referenced by wind_gfi_event(), wind_gfi_init(), and wind_gfi_periodic().

struct i2c_transaction pcf_trans

Definition at line 38 of file wind_gfi.c.

Referenced by wind_gfi_event(), wind_gfi_init(), and wind_gfi_periodic().