diff options
Diffstat (limited to 'nuttx/include/nuttx/power/battery.h')
| -rw-r--r-- | nuttx/include/nuttx/power/battery.h | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/nuttx/include/nuttx/power/battery.h b/nuttx/include/nuttx/power/battery.h index b1a06fd62..b98d6379e 100644 --- a/nuttx/include/nuttx/power/battery.h +++ b/nuttx/include/nuttx/power/battery.h @@ -44,6 +44,7 @@ #include <nuttx/config.h> #include <nuttx/ioctl.h> +#include <stdbool.h> #include <semaphore.h> #include <fixedmath.h> @@ -85,9 +86,9 @@ */ #define BATIOC_STATE _BATIOC(0x0001) -#define BATIOC_ONLINE _BATIOC(0x0001) -#define BATIOC_VOLTAGE _BATIOC(0x0001) -#define BATIOC_CAPACITY _BATIOC(0x0001) +#define BATIOC_ONLINE _BATIOC(0x0002) +#define BATIOC_VOLTAGE _BATIOC(0x0003) +#define BATIOC_CAPACITY _BATIOC(0x0004) /**************************************************************************** * Public Types @@ -110,19 +111,19 @@ struct battery_operations_s { /* Return the current battery state (see enum battery_status_e) */ - int state(struct battery_dev_s *dev, int *status); + int (*state)(struct battery_dev_s *dev, int *status); /* Return true if the batter is online */ - int online(struct battery_dev_s *dev, bool *status); + int (*online)(struct battery_dev_s *dev, bool *status); /* Current battery voltage */ - int voltage(struct battery_dev_s *dev, b16_t *value); + int (*voltage)(struct battery_dev_s *dev, b16_t *value); /* Battery capacity */ - int capacity(struct battery_dev_s *dev, b16_t *value); + int (*capacity)(struct battery_dev_s *dev, b16_t *value); }; /* This structure defines the battery driver state structure */ @@ -185,6 +186,8 @@ EXTERN int battery_register(FAR const char *devpath, * CONFIG_BATTERY - Upper half battery driver support * CONFIG_I2C - I2C support * CONFIG_I2C_MAX1704X - And the driver must be explictly selected. + * CONFIG_I2C_MAX17040 or CONFIG_I2C_MAX17041 - The driver must know which + * chip is on the board in order to scale the voltage correctly. * * Input Parameters: * i2c - An instance of the I2C interface to use to communicate with the MAX1704x |