pikapython/package/BLMCU/pika_hal_BLMCU_GPIO.c

// #include <bl_gpio.h>
// #include <hosal_gpio.h>
// #include "../PikaStdDevice/pika_hal.h"
// #include "pika_hal_BLIOT_irq_task.h"

#include "bflb_gpio.h"
#include "../pikascript-lib/PikaStdDevice/pika_hal.h"

typedef struct hosal_gpio_dev_t {
    struct bflb_device_s *gpioPort;
    uint16_t gpioPin;
    uint16_t config;
} hosal_gpio_dev_t;

int pika_hal_platform_GPIO_open(pika_dev *dev, char *name)
{
    dev->platform_data = pikaMalloc(sizeof(hosal_gpio_dev_t));
    memset(dev->platform_data, 0, sizeof(hosal_gpio_dev_t));
    hosal_gpio_dev_t *platform_gpio = (hosal_gpio_dev_t *)dev->platform_data;
    /* Support P1/P2 ... */
    platform_gpio->gpioPort = bflb_device_get_by_name("gpio");
    platform_gpio->gpioPin = fast_atoi(name + 1);
    return 0;
}

int pika_hal_platform_GPIO_close(pika_dev *dev)
{
    pikaFree(dev->platform_data, sizeof(hosal_gpio_dev_t));
    return 0;
}

int pika_hal_platform_GPIO_read(pika_dev *dev, void *buf, size_t count)
{
    uint8_t value = 0;
    hosal_gpio_dev_t *platform_gpio = (hosal_gpio_dev_t *)dev->platform_data;
    // hosal_gpio_input_get(platform_gpio, &value);
    bflb_gpio_init(platform_gpio->gpioPort, platform_gpio->gpioPin, GPIO_INPUT | GPIO_PULLUP | GPIO_SMT_EN | GPIO_DRV_0);
    uint32_t value_in = value;
    memcpy(buf, &value_in, sizeof(value_in));
#if PIKA_DEBUG_ENABLE
    __platform_printf("GPIO read port %d to %d\r\n", platform_gpio->port,
                      value_in);
#endif
    return 0;
}

int pika_hal_platform_GPIO_write(pika_dev *dev, void *buf, size_t count)
{
    hosal_gpio_dev_t *platform_gpio = (hosal_gpio_dev_t *)dev->platform_data;
    uint32_t value_out = 0;
    memcpy(&value_out, buf, sizeof(value_out));
#if PIKA_DEBUG_ENABLE
    __platform_printf("GPIO write port %d to %d\r\n", platform_gpio->port,
                      value_out);
#endif
    // hosal_gpio_output_set(platform_gpio, value_out);
    bflb_gpio_set(platform_gpio->gpioPort, platform_gpio->gpioPin);
    return 0;
}

int pika_hal_platform_GPIO_ioctl_enable(pika_dev *dev)
{
#if PIKA_DEBUG_ENABLE
    __platform_printf("in pika_hal_platform_GPIO_ioctl_enable\r\n");
#endif
    // hosal_gpio_dev_t *platform_gpio = (hosal_gpio_dev_t *)dev->platform_data;
#if PIKA_DEBUG_ENABLE
    __platform_printf("GPIO enable port %d, config:%d\r\n", platform_gpio->port,
                      platform_gpio->config);
#endif
    // hosal_gpio_init(platform_gpio);
    return 0;
}

int pika_hal_platform_GPIO_ioctl_disable(pika_dev *dev)
{
    // hosal_gpio_dev_t *platform_gpio = (hosal_gpio_dev_t *)dev->platform_data;
    // hosal_gpio_finalize(platform_gpio);
    return 0;
}

int pika_hal_platform_GPIO_ioctl_config(pika_dev *dev,
                                        pika_hal_GPIO_config *cfg)
{
    hosal_gpio_dev_t *platform_gpio = (hosal_gpio_dev_t *)dev->platform_data;
    switch (cfg->dir) {
        case PIKA_HAL_GPIO_DIR_OUT:
            // printf("GPIO set port %d to output\r\n", platform_gpio->port);
            switch (cfg->pull) {
                case PIKA_HAL_GPIO_PULL_NONE:
                    platform_gpio->config = GPIO_OUTPUT;
                    break;
                case PIKA_HAL_GPIO_PULL_UP:
                    platform_gpio->config = GPIO_OUTPUT | GPIO_PULLUP;
                    break;
                case PIKA_HAL_GPIO_PULL_DOWN:
                    /* not supported */
                    break;
                default:
                    break;
            }
            break;
        case PIKA_HAL_GPIO_DIR_IN:
#if PIKA_DEBUG_ENABLE
            __platform_printf("GPIO set port %d to input\r\n",
                              platform_gpio->port);
#endif
            switch (cfg->pull) {
                case PIKA_HAL_GPIO_PULL_NONE:
                    platform_gpio->config = GPIO_INPUT;
                    break;

                case PIKA_HAL_GPIO_PULL_UP:
                    platform_gpio->config = GPIO_INPUT | GPIO_PULLUP;
                    break;

                case PIKA_HAL_GPIO_PULL_DOWN:
                    /* not supported */
                    return -1;
                default:
                    return -1;
            }
            break;
        default:
#if PIKA_DEBUG_ENABLE
            __platform_printf("GPIO set port %d to unknown\r\n",
                              platform_gpio->port);
#endif
            return -1;
    }

    return 0;
}