ezcurrent.c File Reference

Copyright (C) 2012 Gerard Toonstra. More...

#include "sensors/ezcurrent.h"
#include "mcu_periph/i2c.h"
#include "subsystems/electrical.h"

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Macros
#define	EZCURRENT_ADDR   0xEF
#define	EZCURRENT_I2C_DEV   i2c1
#define	Uint16FromBuf(_buf, _idx)   ((uint16_t)((_buf[_idx+1]<<8) | _buf[_idx]))
#define	Int16FromBuf(_buf, _idx)   ((int16_t)((_buf[_idx+1]<<8) | _buf[_idx]))

Functions
void	ezcurrent_init (void)
void	ezcurrent_read_periodic (void)
void	ezcurrent_read_event (void)

Variables
struct i2c_transaction	ezcurrent_i2c_trans

Detailed Description

Copyright (C) 2012 Gerard Toonstra.

This file is part of paparazzi.

paparazzi is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version.

paparazzi is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with paparazzi; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

Implementation of driver for the EzOSD Current sensor.

Notes: Connect directly to I2C1 port.

Sensor module wire assignments: Red wire: 5V Black wire: Ground DAT: SDA CLK: SCL

This file is part of paparazzi.

paparazzi is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version.

paparazzi is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with paparazzi; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

Prototypes of driver for the EzOSD Current sensor.

Notes: Connect directly to I2C1 port.

Sensor module wire assignments: Red wire: 5V Black wire: Ground DAT: SDA CLK: SCL

Definition in file ezcurrent.c.

Macro Definition Documentation

#define EZCURRENT_ADDR   0xEF

Definition at line 42 of file ezcurrent.c.

Referenced by ezcurrent_init().

#define EZCURRENT_I2C_DEV   i2c1

Definition at line 45 of file ezcurrent.c.

Referenced by ezcurrent_read_periodic().

#define Int16FromBuf	(		_buf,
			_idx
	)		((int16_t)((_buf[_idx+1]<<8) | _buf[_idx]))

Definition at line 64 of file ezcurrent.c.

Referenced by ezcurrent_read_event().

#define Uint16FromBuf	(		_buf,
			_idx
	)		((uint16_t)((_buf[_idx+1]<<8) | _buf[_idx]))

Definition at line 63 of file ezcurrent.c.

Referenced by ezcurrent_read_event().

Function Documentation

void ezcurrent_init

(

void

)

Definition at line 50 of file ezcurrent.c.

References EZCURRENT_ADDR, ezcurrent_i2c_trans, I2CTransDone, i2c_transaction::slave_addr, and i2c_transaction::status.

void ezcurrent_read_event

(

void

)

Definition at line 66 of file ezcurrent.c.

References i2c_transaction::buf, Electrical::charge, Electrical::current, electrical, ezcurrent_i2c_trans, I2CTransDone, I2CTransFailed, I2CTransSuccess, Int16FromBuf, i2c_transaction::status, Uint16FromBuf, and Electrical::vsupply.

void ezcurrent_read_periodic

(

void

)

Definition at line 56 of file ezcurrent.c.

References EZCURRENT_I2C_DEV, ezcurrent_i2c_trans, i2c_receive(), I2CTransDone, i2c_transaction::slave_addr, and i2c_transaction::status.

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Variable Documentation

struct i2c_transaction ezcurrent_i2c_trans

Definition at line 48 of file ezcurrent.c.

Referenced by ezcurrent_init(), ezcurrent_read_event(), and ezcurrent_read_periodic().