tle9201.cpp File Reference

Enumerations
enum	tle9201_drv_state { TLE9201_DISABLED = 0 , TLE9201_READY , TLE9201_FAILED }

Functions
	SEMAPHORE_DECL (tle9201_wake, 10)
static	THD_WORKING_AREA (tle9201_thread_1_wa, 256)
static	THD_FUNCTION (tle9201_driver_thread, p)
int	tle9201_add (unsigned int index, const tle9201_config *cfg)
	TLE9201 driver add.

Variables
static bool	drv_task_ready = false
static size_t	diagOkCounter = 0
constexpr size_t	DIAG_OK = 0xF
static const char *	diagDiaOut [16]
static Tle9201	chips [BOARD_TLE9201_COUNT]

Enumeration Type Documentation

tle9201_drv_state

enum tle9201_drv_state

Enumerator
TLE9201_DISABLED
TLE9201_READY
TLE9201_FAILED

Definition at line 45 of file tle9201.cpp.

             {
    TLE9201_DISABLED = 0,
    TLE9201_READY,
    TLE9201_FAILED
} tle9201_drv_state;

Function Documentation

SEMAPHORE_DECL()

SEMAPHORE_DECL	(	tle9201_wake	,
		10
	)

THD_FUNCTION()

static THD_FUNCTION ( tle9201_driver_thread  , p    )

static

Definition at line 207 of file tle9201.cpp.

                                              {
    bool wasSpiFailure = false;
 
    (void)p;
 
    chRegSetThreadName(DRIVER_NAME);
 
    while (1) {
        chThdSleepMilliseconds(TLE9201_POLL_INTERVAL_MS);
 
static bool isInitialized = false;
 
    if (!isIgnVoltage()) {
      if (isInitialized) {
        efiPrintf("Power loss? Would have to re-init TLE9201?");
        isInitialized = false;
      }
      continue;
    }
 
 
        for (int i = 0; i < BOARD_TLE9201_COUNT; i++) {
            auto chip = &chips[i];
            if ((chip->cfg == NULL) ||
                (chip->drv_state == TLE9201_DISABLED) ||
                (chip->drv_state == TLE9201_FAILED)) {
                continue;
      }
 
            uint8_t diag, rev;
            // get diagnosis and revision bytes
            if (!chip->get_diag_and_rev(&diag, &rev)) {
                if (!wasSpiFailure) {
                    efiPrintf("%s ERROR: SPI failure!", chip->name);
                    wasSpiFailure = true;
                }
            } else {
                wasSpiFailure = false;
            }
 
            chip->process_diag_and_rev(diag, rev);
        }
    }
}

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THD_WORKING_AREA()

static THD_WORKING_AREA ( tle9201_thread_1_wa  , 256    )

static

tle9201_add()

int tle9201_add	(	unsigned int	index,
		const tle9201_config *	cfg
	)

TLE9201 driver add.

Checks for valid config

Definition at line 279 of file tle9201.cpp.

                                                               {
    /* no config or no such chip */
    if ((!cfg) || (!cfg->spi_bus) || (index >= BOARD_TLE9201_COUNT)) {
        return -1;
    }
 
    if (index == 0) {
      addConsoleAction("reset_9201", [](){
        auto chip = &chips[0];
        chip->spi_rw(TLE9201_REG_RES_DIA, nullptr);
        efiPrintf(DRIVER_NAME "reset!");
      });
    }
 
    /* 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 != NULL)
        return -1;
 
    chip.cfg = cfg;
    chip.init(index);
 
    return 0;
}

Referenced by hellen154hyundai_f7_boardInitHardware().

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Variable Documentation

chips

Tle9201 chips[BOARD_TLE9201_COUNT]

static

Definition at line 102 of file tle9201.cpp.

Referenced by THD_FUNCTION(), and tle9201_add().

DIAG_OK

constexpr size_t DIAG_OK = 0xF

constexpr

Definition at line 60 of file tle9201.cpp.

diagDiaOut

const char* diagDiaOut[16]

static

Initial value:

= { "?", "?", "?",
    "VS Undervoltage", 
    "?",
    "Short to Bat at OUT1 and OUT2", 
    "Short to GND at OUT1, short to Bat at OUT2", 
    "Short to Bat at OUT2", 
    "?",
    "Short to Bat at OUT1, short to GND at OUT2", 
    "Short to GND at OUT1 and OUT2", 
    "Short to GND at OUT2", 
    DRIVER_NAME " Open Load", 
    "Short to Bat at OUT1", 
    "Short to GND at OUT1", 
    "No failure" 
}

Definition at line 63 of file tle9201.cpp.

                                    { "?", "?", "?",
    "VS Undervoltage", // 0x3
    "?",
    "Short to Bat at OUT1 and OUT2", // 0x5
    "Short to GND at OUT1, short to Bat at OUT2", // 0x6
    "Short to Bat at OUT2", // 0x7
    "?",
    "Short to Bat at OUT1, short to GND at OUT2", // 0x9
    "Short to GND at OUT1 and OUT2", // 0xA
    "Short to GND at OUT2", // 0xB
    DRIVER_NAME " Open Load", // 0xC
    "Short to Bat at OUT1", // 0xD
    "Short to GND at OUT1", // 0xE
    "No failure" // 0xF
};

diagOkCounter

size_t diagOkCounter = 0

static

Definition at line 59 of file tle9201.cpp.

drv_task_ready

bool drv_task_ready = false

static

Definition at line 43 of file tle9201.cpp.

Go to the source code of this file.