C++ (Cpp) mraa_gpio_init_internalの例

コード例 #1

ファイル: gpio.c プロジェクト: zgramana/mraa

mraa_gpio_context
mraa_gpio_init(int pin)
{
    mraa_board_t* board = plat;

    if (board == NULL) {
        syslog(LOG_ERR, "gpio%i: init: platform not initialised", pin);
        return NULL;
    }

    if (mraa_is_sub_platform_id(pin)) {
        syslog(LOG_NOTICE, "gpio%i: init: Using sub platform", pin);
        board = board->sub_platform;
        if (board == NULL) {
            syslog(LOG_ERR, "gpio%i: init: Sub platform not initialised", pin);
            return NULL;
        }
        pin = mraa_get_sub_platform_index(pin);
    }

    if (board->chardev_capable) {
        int pins[1] = { pin };
        return mraa_gpio_init_multi(pins, 1);
    }

    if (pin < 0 || pin >= board->phy_pin_count) {
        syslog(LOG_ERR, "gpio: init: pin %i beyond platform pin count (%i)",
               pin, board->phy_pin_count);
        return NULL;
    }
    if (board->pins[pin].capabilities.gpio != 1) {
        syslog(LOG_ERR, "gpio: init: pin %i not capable of gpio", pin);
        return NULL;
    }
    if (board->pins[pin].gpio.mux_total > 0) {
        if (mraa_setup_mux_mapped(board->pins[pin].gpio) != MRAA_SUCCESS) {
            syslog(LOG_ERR, "gpio%i: init: unable to setup muxes", pin);
            return NULL;
        }
    }

    mraa_gpio_context r = mraa_gpio_init_internal(board->adv_func, board->pins[pin].gpio.pinmap);

    if (r == NULL) {
        return NULL;
    }

    if (r->phy_pin == -1)
        r->phy_pin = pin;

    if (IS_FUNC_DEFINED(r, gpio_init_post)) {
        mraa_result_t ret = r->advance_func->gpio_init_post(r);
        if (ret != MRAA_SUCCESS) {
            free(r);
            return NULL;
        }
    }

    return r;
}

コード例 #2

ファイル: gpio.c プロジェクト: anonymouse64/mraa

mraa_gpio_context
mraa_gpio_init(int pin)
{
    mraa_board_t* board = plat;
    if (board == NULL) {
        syslog(LOG_ERR, "gpio: platform not initialised");
        return NULL;
    }

    if (mraa_is_sub_platform_id(pin)) {
        syslog(LOG_NOTICE, "gpio: Using sub platform");
        board = board->sub_platform;
        if (board == NULL) {
            syslog(LOG_ERR, "gpio: Sub platform Not Initialised");
            return NULL;
        }
        pin = mraa_get_sub_platform_index(pin);
    }

    if (pin < 0 || pin > board->phy_pin_count) {
        syslog(LOG_ERR, "gpio: pin %i beyond platform definition", pin);
        return NULL;
    }
    if (board->pins[pin].capabilites.gpio != 1) {
        syslog(LOG_ERR, "gpio: pin %i not capable of gpio", pin);
        return NULL;
    }
    if (board->pins[pin].gpio.mux_total > 0) {
        if (mraa_setup_mux_mapped(board->pins[pin].gpio) != MRAA_SUCCESS) {
            syslog(LOG_ERR, "gpio: unable to setup muxes");
            return NULL;
        }
    }

    mraa_gpio_context r = mraa_gpio_init_internal(board->adv_func, board->pins[pin].gpio.pinmap);
    if (r == NULL) {
        syslog(LOG_CRIT, "gpio: mraa_gpio_init_raw(%d) returned error", pin);
        return NULL;
    }
    if (r->phy_pin == -1)
        r->phy_pin = pin;

    if (IS_FUNC_DEFINED(r, gpio_init_post)) {
        mraa_result_t ret = r->advance_func->gpio_init_post(r);
        if (ret != MRAA_SUCCESS) {
            free(r);
            return NULL;
        }
    }
    return r;
}

コード例 #3

ファイル: gpio.c プロジェクト: anonymouse64/mraa

mraa_gpio_context
mraa_gpio_init_raw(int pin)
{
    return mraa_gpio_init_internal(plat == NULL ? NULL : plat->adv_func , pin);
}