Ejemplos de sol_pwm_open en C++ (Cpp)

Ejemplo n.º 1

Archivo: servo-motor.c Proyecto: ricardotk/soletta

static int
servo_motor_open(struct sol_flow_node *node, void *data, const struct sol_flow_node_options *options)
{
    const struct sol_flow_node_type_servo_motor_controller_options *opts;
    struct servo_motor_data *mdata = data;
    struct sol_pwm_config pwm_config = { 0 };

    opts = (const struct sol_flow_node_type_servo_motor_controller_options *)options;

    mdata->duty_cycle_range = opts->duty_cycle_range;

    if (mdata->duty_cycle_range.min > mdata->duty_cycle_range.max) {
        SOL_WRN("Max pulse width shouldn't be less than min. Swapping values.");
        mdata->duty_cycle_range.max = opts->duty_cycle_range.min;
        mdata->duty_cycle_range.min = opts->duty_cycle_range.max;
    }

    mdata->duty_cycle_diff = mdata->duty_cycle_range.max -
        mdata->duty_cycle_range.min;

    pwm_config.api_version = SOL_PWM_CONFIG_API_VERSION;
    pwm_config.period_ns = opts->period.val * 1000;
    pwm_config.duty_cycle_ns = 0;

    mdata->pwm = sol_pwm_open(opts->chip.val, opts->pin.val, &pwm_config);
    SOL_NULL_CHECK(mdata->pwm, -ENOMEM);

    return 0;
}

Ejemplo n.º 2

Archivo: sol-pwm-common.c Proyecto: Learn-iot/soletta

SOL_API struct sol_pwm *
sol_pwm_open_by_label(const char *label, const struct sol_pwm_config *config)
{
    int device, channel;

    _log_init();

#ifdef USE_PIN_MUX
    if (!sol_pin_mux_map(label, SOL_IO_PWM, &device, &channel))
        return sol_pwm_open(device, channel, config);

    SOL_WRN("Label '%s' couldn't be mapped or can't be used as PWM", label);
#else
    SOL_INF("Pin Multiplexer support is necessary to open a 'board pin'.");
    (void)device;
    (void)channel;
#endif

    return NULL;
}