C++ (Cpp) map_pin_nr_to_cfgset示例

示例#1

文件： stm32_gpio_chip.c 项目： nklabs/Nuttx

// Configure pin as input floating
static void stm32_gpio_deactivate(void *driver_data, uint8_t pin)
{
    uint32_t cfgset;
    int ret;

    lldbg("%s: pin=%hhu\n", __func__, pin);

    ret = map_pin_nr_to_cfgset(pin, &cfgset);
    if (ret) {
        lldbg("%s: Invalid pin %hhu\n", pin);
        return;
    }

    stm32_unconfiggpio(cfgset);
}

示例#2

文件： stm32_gpio_chip.c 项目： nklabs/Nuttx

static uint8_t stm32_gpio_get(void *driver_data, uint8_t pin)
{
    uint32_t cfgset;
    int ret;

    lldbg("%s: pin=%hhu\n", __func__, pin);

    ret = map_pin_nr_to_cfgset(pin, &cfgset);
    if (ret) {
        lldbg("%s: Invalid pin %hhu\n", pin);
        return -EINVAL;
    }

    return stm32_gpioread(cfgset);
}

示例#3

文件： stm32_gpio_chip.c 项目： nklabs/Nuttx

static void stm32_gpio_set(void *driver_data, uint8_t pin, uint8_t val)
{
    uint32_t cfgset;
    int ret;

    lldbg("%s: pin=%hhu, val=%d\n", __func__, pin, val);

    ret = map_pin_nr_to_cfgset(pin, &cfgset);
    if (ret) {
        lldbg("%s: Invalid pin %hhu\n", pin);
        return;
    }

    stm32_gpiowrite(cfgset, val);
}

示例#4

文件： stm32_gpio_chip.c 项目： ChrisMyerchin/nuttx

static int stm32_gpio_set_triggering(void *driver_data, uint8_t pin,
                                     int trigger)
{
    uint32_t cfgset;
    int ret = 0;

    lldbg("%s: pin=%hhu, trigger=0x%x\n", __func__, pin, trigger);

    ret = map_pin_nr_to_cfgset(pin, &cfgset);
    if (ret) {
        lldbg("%s: Invalid pin %hhu\n", pin);
        return ret;
    }

    switch(trigger) {
    case IRQ_TYPE_NONE:
        stm32_gpio[pin].flags &= ~(STM32_GPIO_FLAG_RISING);
        stm32_gpio[pin].flags &= ~(STM32_GPIO_FLAG_FALLING);
        break;
    case IRQ_TYPE_EDGE_RISING:
        stm32_gpio[pin].flags |= STM32_GPIO_FLAG_RISING;
        stm32_gpio[pin].flags &= ~(STM32_GPIO_FLAG_FALLING);
        break;
    case IRQ_TYPE_EDGE_FALLING:
        stm32_gpio[pin].flags &= ~(STM32_GPIO_FLAG_RISING);
        stm32_gpio[pin].flags |= STM32_GPIO_FLAG_FALLING;
        break;
    case IRQ_TYPE_EDGE_BOTH:
        stm32_gpio[pin].flags |= STM32_GPIO_FLAG_RISING;
        stm32_gpio[pin].flags |= STM32_GPIO_FLAG_FALLING;
        break;
    /* Level IRQ: not supported by low level STM32 gpio support */
    case IRQ_TYPE_LEVEL_HIGH:
    case IRQ_TYPE_LEVEL_LOW:
    default:
        return -EINVAL;
    }

    /* Install handler with edge triggering settings */
    stm32_gpiosetevent_priv(cfgset,
                            stm32_gpio[pin].flags & STM32_GPIO_FLAG_RISING,
                            stm32_gpio[pin].flags & STM32_GPIO_FLAG_FALLING,
                            true,
                            (xcpt_priv_t) stm32_gpio[pin].isr,
                            NULL);

    return ret;
}

示例#5

文件： stm32_gpio_chip.c 项目： ChrisMyerchin/nuttx

static void stm32_gpio_set_direction_in(void *driver_data, uint8_t pin)
{
    uint32_t cfgset;
    int ret;

    lldbg("%s: pin=%hhu\n", __func__, pin);

    ret = map_pin_nr_to_cfgset(pin, &cfgset);
    if (ret) {
        lldbg("%s: Invalid pin %hhu\n", pin);
        return;
    }

    // Configure pin as input, floating
    cfgset |= GPIO_INPUT | GPIO_FLOAT;
    lldbg("cfgset=0x%x\n", cfgset);

    ret = stm32_configgpio(cfgset);
    if (ret)
        lldbg("%s: stm32_configgpio returns %d\n", ret);
}

示例#6

文件： stm32_gpio_chip.c 项目： ChrisMyerchin/nuttx

static int stm32_gpio_unmask_irq(void *driver_data, uint8_t pin)
{
    uint32_t cfgset;
    int ret = 0;

    lldbg("%s: pin=%hhu\n", __func__, pin);

    ret = map_pin_nr_to_cfgset(pin, &cfgset);
    if (ret) {
        lldbg("%s: Invalid pin %hhu\n", pin);
        return ret;
    }

    /* Re-install handler */
    stm32_gpiosetevent_priv(cfgset,
                            stm32_gpio[pin].flags & STM32_GPIO_FLAG_RISING,
                            stm32_gpio[pin].flags & STM32_GPIO_FLAG_FALLING,
                            true,
                            (xcpt_priv_t) stm32_gpio[pin].isr,
                            NULL);

    return ret;
}

示例#7

文件： stm32_gpio_chip.c 项目： ChrisMyerchin/nuttx

static int stm32_gpio_mask_irq(void *driver_data, uint8_t pin)
{
    uint32_t cfgset;
    int ret = 0;

    lldbg("%s: pin=%hhu\n", __func__, pin);

    ret = map_pin_nr_to_cfgset(pin, &cfgset);
    if (ret) {
        lldbg("%s: Invalid pin %hhu\n", pin);
        return ret;
    }

    /* Mask interrupt */
    stm32_gpiosetevent_priv(cfgset,
                            false,
                            false,
                            true,
                            (xcpt_priv_t) stm32_gpio[pin].isr,
                            NULL);

    return ret;
}