drv8860.cpp File Reference

Enumerations
enum	drv8860_drv_state { DRV8860_DISABLED = 0 , DRV8860_WAIT_INIT , DRV8860_READY , DRV8860_FAILED }

Functions
	SEMAPHORE_DECL (drv8860_wake, 10)
static	THD_WORKING_AREA (drv8860_thread_1_wa, 256)
static	THD_FUNCTION (drv8860_driver_thread, p)
int	drv8860_add (brain_pin_e base, unsigned int index, const drv8860_config *cfg)
	DRV8860 driver add.

Variables
static bool	drv_task_ready = false
static Drv8860	chips [BOARD_DRV8860_COUNT]
static const char *	drv8860_pin_names [DRV8860_OUTPUTS]

Enumeration Type Documentation

drv8860_drv_state

enum drv8860_drv_state

Enumerator
DRV8860_DISABLED
DRV8860_WAIT_INIT
DRV8860_READY
DRV8860_FAILED

Definition at line 30 of file drv8860.cpp.

             {
    DRV8860_DISABLED = 0,
    DRV8860_WAIT_INIT,
    DRV8860_READY,
    DRV8860_FAILED
} drv8860_drv_state;

Function Documentation

drv8860_add()

int drv8860_add	(	brain_pin_e	base,
		unsigned int	index,
		const drv8860_config *	cfg
	)

DRV8860 driver add.

Checks for valid config

Definition at line 235 of file drv8860.cpp.

                                                                                 {
    int ret;
 
    /* no config or no such chip */
    if ((!cfg) || (!cfg->spi_bus) || (index >= BOARD_DRV8860_COUNT))
        return -1;
 
    /* check for valid cs.
     * TODO: remove this check? CS can be driven by SPI */
    //if (cfg->spi_config.ssport == NULL)
    //  return -1;
 
    auto& chip = chips[index];
 
    /* already initted? */
    if (!chip.cfg)
        return -1;
 
    chip.cfg = cfg;
    chip.o_state = 0;
    chip.o_state_cached = 0;
    chip.drv_state = DRV8860_WAIT_INIT;
 
    /* register, return gpio chip base */
    ret = gpiochip_register(base, DRIVER_NAME, chip, DRV8860_OUTPUTS);
    if (ret < 0)
        return ret;
 
    /* set default pin names, board init code can rewrite */
    gpiochips_setPinNames(static_cast<brain_pin_e>(ret), drv8860_pin_names);
 
    return ret;
}

Referenced by initSmartGpio().

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SEMAPHORE_DECL()

SEMAPHORE_DECL	(	drv8860_wake	,
		10
	)

THD_FUNCTION()

static THD_FUNCTION ( drv8860_driver_thread  , p    )

static

Definition at line 156 of file drv8860.cpp.

                                              {
    int i;
    msg_t msg;
 
    (void)p;
 
    chRegSetThreadName(DRIVER_NAME);
 
    while (1) {
        msg = chSemWaitTimeout(&drv8860_wake, TIME_MS2I(DRV8860_POLL_INTERVAL_MS));
 
        /* should we care about msg == MSG_TIMEOUT? */
        (void)msg;
 
        for (i = 0; i < BOARD_DRV8860_COUNT; i++) {
            auto chip = &chips[i];
            if ((chip->cfg == NULL) ||
                (chip->drv_state == DRV8860_DISABLED) ||
                (chip->drv_state == DRV8860_FAILED))
                continue;
 
            chip->update_outputs();
        }
    }
}

THD_WORKING_AREA()

static THD_WORKING_AREA ( drv8860_thread_1_wa  , 256    )

static

Variable Documentation

chips

Drv8860 chips[BOARD_DRV8860_COUNT]

static

Definition at line 73 of file drv8860.cpp.

Referenced by drv8860_add(), and THD_FUNCTION().

drv8860_pin_names

const char* drv8860_pin_names[DRV8860_OUTPUTS]

static

Initial value:

= {
    "drv8860.OUT1",     "drv8860.OUT2",     "drv8860.OUT3",     "drv8860.OUT4",
    "drv8860.OUT5",     "drv8860.OUT6",     "drv8860.OUT7",     "drv8860.OUT8",
    "drv8860.OUT9",     "drv8860.OUT10",    "drv8860.OUT11",    "drv8860.OUT12",
    "drv8860.OUT13",    "drv8860.OUT14",    "drv8860.OUT15",    "drv8860.OUT16",
}

Definition at line 75 of file drv8860.cpp.

                                                        {
    "drv8860.OUT1",     "drv8860.OUT2",     "drv8860.OUT3",     "drv8860.OUT4",
    "drv8860.OUT5",     "drv8860.OUT6",     "drv8860.OUT7",     "drv8860.OUT8",
    "drv8860.OUT9",     "drv8860.OUT10",    "drv8860.OUT11",    "drv8860.OUT12",
    "drv8860.OUT13",    "drv8860.OUT14",    "drv8860.OUT15",    "drv8860.OUT16",
};

Referenced by drv8860_add().

drv_task_ready

bool drv_task_ready = false

static

Definition at line 28 of file drv8860.cpp.

Go to the source code of this file.