mc33810.h File Reference

Data Structures
struct	mc33810_config

Functions
int	mc33810_add (brain_pin_e base, unsigned int index, const mc33810_config *cfg)
	MC33810 driver add.
const mc33810_state_s *	mc33810getLiveData (size_t idx)
void	mc33810_req_init ()
int	getMc33810maxDwellTimer (mc33810maxDwellTimer_e value)

Function Documentation

getMc33810maxDwellTimer()

int getMc33810maxDwellTimer

(

mc33810maxDwellTimer_e

value

)

Definition at line 1003 of file mc33810.cpp.

                                                          {
switch(value) {
case DWELL_16MS:
  return 16;
case DWELL_2MS:
  return 2;
case DWELL_32MS:
  return 32;
case DWELL_4MS:
  return 4;
case DWELL_64MS:
  return 64;
case DWELL_8MS:
  return 8;
  }
 return 0;
}

Referenced by validateConfigOnStartUpOrBurn().

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mc33810_add()

int mc33810_add	(	brain_pin_e	base,
		unsigned int	index,
		const mc33810_config *	cfg
	)

MC33810 driver add.

Checks for valid config

Definition at line 946 of file mc33810.cpp.

                                                                                 {
 
    /* no config or no such chip */
    if ((!cfg) || (!cfg->spi_bus) || (index >= BOARD_MC33810_COUNT))
        return -16;
 
    /* check for valid cs.
     * TODO: remove this check? CS can be driven by SPI */
    //if (cfg->spi_config.ssport == NULL)
    //  return -1;
 
    Mc33810& chip = chips[index];
 
    /* already initted? */
    if (chip.cfg != NULL)
        return -13;
 
    chip.cfg = cfg;
    chip.o_state = 0;
    chip.o_state_cached = 0;
    chip.o_direct_mask = 0;
    for (int i = 0; i < MC33810_DIRECT_OUTPUTS; i++) {
        if (cfg->direct_io[i].port != 0)
            chip.o_direct_mask |= BIT(i);
    }
 
    /* GPGD mode is not supported yet, ignition mode does not support spi on/off commands
     * so ignition signals should be directly driven */
    if ((chip.o_direct_mask & 0xf0) != 0xf0)
        return -4;
 
    /* register, return gpio chip base */
    int ret = gpiochip_register(base, DRIVER_NAME, chip, MC33810_OUTPUTS);
    if (ret < 0)
        return ret;
 
    /* set default pin names, board init code can rewrite */
    gpiochips_setPinNames(static_cast<brain_pin_e>(ret), mc33810_pin_names);
 
    chip.drv_state = MC33810_WAIT_INIT;
 
    return ret;
}

Referenced by board_init_ext_gpios(), f407_discovery_boardInitHardware(), and hellen154hyundai_f7_boardInitHardware().

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mc33810_req_init()

void mc33810_req_init

(

)

Definition at line 993 of file mc33810.cpp.

                        {
    size_t i;
 
    for (i = 0; i < BOARD_MC33810_COUNT; i++) {
        auto& chip = chips[i];
 
        chip.need_init = true;
    }
}

Referenced by handleCommandX14().

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mc33810getLiveData()

const mc33810_state_s * mc33810getLiveData

(

size_t

idx

)

Definition at line 1021 of file mc33810.cpp.

                                                      {
    if (idx >= BOARD_MC33810_COUNT)
        return nullptr;
    return &chips[idx];
}

Referenced by getLiveData().

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Go to the source code of this file.