tle6240.cpp File Reference

Enumerations
enum	tle6240_drv_state { TLE6240_DISABLED = 0 , TLE6240_WAIT_INIT , TLE6240_READY , TLE6240_FAILED }

Functions
	SEMAPHORE_DECL (tle6240_wake, 10)
static	THD_WORKING_AREA (tle6240_thread_1_wa, 256)
static int	tle6240_wake_driver ()
	TLE6240 chip driver wakeup.
static	THD_FUNCTION (tle6240_driver_thread, p)
int	tle6240_add (brain_pin_e base, unsigned int index, const tle6240_config *cfg)
	TLE6240 driver add.

Variables
static bool	drv_task_ready = false
static Tle6240	chips [BOARD_TLE6240_COUNT]
static const char *	tle6240_pin_names [TLE6240_OUTPUTS]

Enumeration Type Documentation

tle6240_drv_state

enum tle6240_drv_state

Enumerator
TLE6240_DISABLED
TLE6240_WAIT_INIT
TLE6240_READY
TLE6240_FAILED

Definition at line 51 of file tle6240.cpp.

             {
    TLE6240_DISABLED = 0,
    TLE6240_WAIT_INIT,
    TLE6240_READY,
    TLE6240_FAILED
} tle6240_drv_state;

Function Documentation

SEMAPHORE_DECL()

SEMAPHORE_DECL	(	tle6240_wake	,
		10
	)

THD_FUNCTION()

static THD_FUNCTION ( tle6240_driver_thread  , p    )

static

Definition at line 332 of file tle6240.cpp.

{
    int i;
    msg_t msg;
 
    (void)p;
 
    chRegSetThreadName(DRIVER_NAME);
 
    while(1) {
        msg = chSemWaitTimeout(&tle6240_wake, TIME_MS2I(TLE6240_POLL_INTERVAL_MS));
 
        /* should we care about msg == MSG_TIMEOUT? */
        (void)msg;
 
        for (i = 0; i < BOARD_TLE6240_COUNT; i++) {
            int ret;
            Tle6240& chip = chips[i];
 
            if (!chip.cfg ||
                (chip.drv_state == TLE6240_DISABLED) ||
                (chip.drv_state == TLE6240_FAILED))
                continue;
 
            ret = chip.update_output_and_diag();
            if (ret) {
                /* set state to TLE6240_FAILED? */
            }
        }
    }
}

THD_WORKING_AREA()

static THD_WORKING_AREA ( tle6240_thread_1_wa  , 256    )

static

tle6240_add()

int tle6240_add	(	brain_pin_e	base,
		unsigned int	index,
		const tle6240_config *	cfg
	)

TLE6240 driver add.

Checks for valid config

Definition at line 450 of file tle6240.cpp.

{
    int i;
    int ret;
    Tle6240 *chip;
 
    /* no config or no such chip */
    if ((!cfg) || (!cfg->spi_bus) || (index >= BOARD_TLE6240_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;
 
    chip = &chips[index];
 
    /* already initted? */
    if (chip->cfg != NULL)
        return -1;
 
    chip->cfg = cfg;
    chip->o_state = 0;
    chip->o_state_cached = 0;
    chip->o_direct_mask = 0;
    chip->drv_state = TLE6240_WAIT_INIT;
    for (i = 0; i < TLE6240_DIRECT_OUTPUTS; i++) {
        if (cfg->direct_io[i].port != 0)
            chip->o_direct_mask |= (1 << ((i < 4) ? i : (i + 4)));
    }
 
    /* register, return gpio chip base */
    ret = gpiochip_register(base, DRIVER_NAME, *chip, TLE6240_OUTPUTS);
    if (ret < 0)
        return ret;
 
    /* set default pin names, board init code can rewrite */
    gpiochips_setPinNames(base, tle6240_pin_names);
 
    return ret;
}

Referenced by initSmartGpio().

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tle6240_wake_driver()

static int tle6240_wake_driver ( )

static

TLE6240 chip driver wakeup.

Wake up driver. Will cause output register and diagnostic update.

chSemSignalI above requires rescheduling interrupt handlers have implicit rescheduling

Definition at line 311 of file tle6240.cpp.

{
    /* Entering a reentrant critical zone.*/
    chibios_rt::CriticalSectionLocker csl;
 
    chSemSignalI(&tle6240_wake);
    if (!port_is_isr_context()) {
        /**
         * chSemSignalI above requires rescheduling
         * interrupt handlers have implicit rescheduling
         */
        chSchRescheduleS();
    }
 
    return 0;
}

Variable Documentation

chips

Tle6240 chips[BOARD_TLE6240_COUNT]

static

Definition at line 113 of file tle6240.cpp.

Referenced by THD_FUNCTION(), and tle6240_add().

drv_task_ready

bool drv_task_ready = false

static

Definition at line 49 of file tle6240.cpp.

tle6240_pin_names

const char* tle6240_pin_names[TLE6240_OUTPUTS]

static

Initial value:

= {
    "tle6240.OUT1",     "tle6240.OUT2",     "tle6240.OUT3",     "tle6240.OUT4",
    "tle6240.OUT5",     "tle6240.OUT6",     "tle6240.OUT7",     "tle6240.OUT8",
    "tle6240.OUT9",     "tle6240.OUT10",    "tle6240.OUT11",    "tle6240.OUT12",
    "tle6240.OUT13",    "tle6240.OUT14",    "tle6240.OUT15",    "tle6240.OUT16",
}

Definition at line 115 of file tle6240.cpp.

                                                        {
    "tle6240.OUT1",     "tle6240.OUT2",     "tle6240.OUT3",     "tle6240.OUT4",
    "tle6240.OUT5",     "tle6240.OUT6",     "tle6240.OUT7",     "tle6240.OUT8",
    "tle6240.OUT9",     "tle6240.OUT10",    "tle6240.OUT11",    "tle6240.OUT12",
    "tle6240.OUT13",    "tle6240.OUT14",    "tle6240.OUT15",    "tle6240.OUT16",
};

Referenced by tle6240_add().

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