tle9104.cpp File Reference

Enumerations
enum	tle9104_drv_state { TLE9104_DISABLED = 0 , TLE9104_WAIT_INIT , TLE9104_READY , TLE9104_FAILED }

Functions
static bool	parityBit (uint16_t val)
	SEMAPHORE_DECL (tle9104_wake, 10)
static	THD_WORKING_AREA (tle9104_thread_1_wa, 256)
static	THD_FUNCTION (tle9104_driver_thread, p)
int	tle9104_add (Gpio base, int index, const tle9104_config *cfg)
void	initAll9104 (const tle9104_config *configs)

Variables
static bool	drv_task_ready = false
static Tle9104	chips [BOARD_TLE9104_COUNT]
static IgnVoltageGatekeeper	gatekeeper

Enumeration Type Documentation

tle9104_drv_state

enum tle9104_drv_state

Enumerator
TLE9104_DISABLED
TLE9104_WAIT_INIT
TLE9104_READY
TLE9104_FAILED

Definition at line 27 of file tle9104.cpp.

             {
    TLE9104_DISABLED = 0,
    TLE9104_WAIT_INIT,
    TLE9104_READY,
    TLE9104_FAILED
} tle9104_drv_state;

Function Documentation

initAll9104()

void initAll9104

(

const tle9104_config *

configs

)

Definition at line 568 of file tle9104.cpp.

                                                {
  for (int chipIndex = 0;chipIndex < BOARD_TLE9104_COUNT;chipIndex++) {
      int ret = tle9104_add((Gpio)(Gpio::TLE9104_0_OUT_0 + TLE9204_OUT_COUNT * chipIndex), chipIndex, &configs[chipIndex]);
      if (ret < 0) {
        criticalError("tle9104_add");
      }
    }
}

Referenced by alphax_4kGDI_boardInitHardware(), and board_init_ext_gpios().

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parityBit()

static bool parityBit ( uint16_t  val )

static

Definition at line 110 of file tle9104.cpp.

                                    {
    // (1 + number of bits set) mod 2 = parity bit
    int count = 1 + __builtin_popcount(val);
 
    return count % 2;
 
#if 0
    while (val != 0) {
        if (val & 0x01) {
            count++;
        }
 
        val = val >> 1;
    }
 
    return (count % 2) == 1;
#endif
}

SEMAPHORE_DECL()

SEMAPHORE_DECL	(	tle9104_wake	,
		10
	)

THD_FUNCTION()

static THD_FUNCTION ( tle9104_driver_thread  , p    )

static

Definition at line 301 of file tle9104.cpp.

                                              {
    int i;
    msg_t msg;
 
    (void)p;
 
    chRegSetThreadName(DRIVER_NAME);
 
    while(1) {
    if (!gatekeeper.haveVoltage()) {
      chThdSleepMilliseconds(300);
      return;
    }
 
        msg = chSemWaitTimeout(&tle9104_wake, TIME_MS2I(TLE9104_POLL_INTERVAL_MS));
 
        /* should we care about msg == MSG_TIMEOUT? */
        (void)msg;
 
        for (i = 0; i < BOARD_TLE9104_COUNT; i++) {
            int ret;
            Tle9104& chip = chips[i];
 
            if (!chip.cfg ||
                (chip.drv_state == TLE9104_DISABLED) ||
                (chip.drv_state == TLE9104_FAILED))
                continue;
 
            ret = chip.updateDiagState();
            if (ret) {
                /* set state to TLE6240_FAILED? */
            }
            ret = chip.updateStatus();
            if (ret) {
                /* set state to TLE6240_FAILED? */
            }
        }
    }
}

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THD_WORKING_AREA()

static THD_WORKING_AREA ( tle9104_thread_1_wa  , 256    )

static

tle9104_add()

int tle9104_add	(	Gpio	base,
		int	index,
		const tle9104_config *	cfg
	)

Definition at line 554 of file tle9104.cpp.

                                                                 {
    Tle9104& chip = chips[index];
 
    /* already added? */
    if (chip.cfg != nullptr) {
        return -52;
    }
 
    chip.cfg = cfg;
    chip.drv_state = TLE9104_WAIT_INIT;
 
    return gpiochip_register(base, DRIVER_NAME, chip, 4);
}

Referenced by initAll9104().

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Variable Documentation

chips

Tle9104 chips[BOARD_TLE9104_COUNT]

static

Definition at line 104 of file tle9104.cpp.

Referenced by THD_FUNCTION(), and tle9104_add().

drv_task_ready

bool drv_task_ready = false

static

Definition at line 25 of file tle9104.cpp.

gatekeeper

IgnVoltageGatekeeper gatekeeper

static

Definition at line 299 of file tle9104.cpp.

Referenced by THD_FUNCTION().

Go to the source code of this file.