LTC4150 coulomb counter. More...

Detailed Description

LTC4150 coulomb counter.

Author: Marian Buschsieweke maria.nosp@m.n.bu.nosp@m.schsi.nosp@m.ewek.nosp@m.e@ovg.nosp@m.u.de

Definition in file ltc4150.h.

#include <stdint.h>
#include "mutex.h"
#include "periph/gpio.h"

Include dependency graph for ltc4150.h:

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Data Structures
struct	ltc4150_recorder_t
	Interface to allow recording of the drawn current in a user defined resolution. More...

struct	ltc4150_params_t
	Parameters required to set up the LTC4150 coulomb counter. More...

struct	ltc4150_dev
	LTC4150 coulomb counter. More...

struct	ltc4150_last_minute_data_t
	Data structure used by ltc4150_last_minute. More...

Enumerations
enum	{ LTC4150_INT_EXT_PULL_UP = 0x01 , LTC4150_POL_EXT_PULL_UP = 0x02 , LTC4150_EXT_PULL_UP = LTC4150_INT_EXT_PULL_UP \| LTC4150_POL_EXT_PULL_UP }
	Configuration flags of the LTC4150 coulomb counter. More...

enum	ltc4150_dir_t { LTC4150_CHARGE , LTC4150_DISCHARGE }
	Enumeration of directions in which the charge can be transferred. More...

Functions
int	ltc4150_init (ltc4150_dev_t dev, const ltc4150_params_t params)
	Initialize the LTC4150 driver.

int	ltc4150_reset_counters (ltc4150_dev_t *dev)
	Clear current counters of the given LTC4150 device.

int	ltc4150_shutdown (ltc4150_dev_t *dev)
	Disable the interrupt handler and turn the chip off.

int	ltc4150_charge (ltc4150_dev_t dev, uint32_t charged, uint32_t *discharged)
	Get the measured charge since boot or last reset in millicoulomb.

int	ltc4150_avg_current (ltc4150_dev_t dev, int16_t dest)
	Get the average current drawn in E-01 milliampere.

int	ltc4150_last_minute_charge (ltc4150_dev_t dev, ltc4150_last_minute_data_t data, uint32_t charged, uint32_t discharged)
	Get the measured charge in the last minute.

void	ltc4150_pulses2c (const ltc4150_dev_t dev, uint32_t charged, uint32_t *discharged, uint32_t raw_charged, uint32_t raw_discharged)
	Convert the raw data (# pulses) acquired by the LTC4150 device to charge information in millicoulomb.

Variables
const ltc4150_recorder_t	ltc4150_last_minute
	Records the charge transferred within the last minute using.

Data Structures