flipperzero-firmware/firmware/targets/local/api-hal/api-hal-gpio.c

#include "api-hal-gpio.h"
#include <stdio.h>

// init GPIO
void hal_gpio_init(
    const GpioPin* gpio,
    const GpioMode mode,
    const GpioPull pull,
    const GpioSpeed speed) {
    // TODO more mode
    if(gpio->pin != 0) {
        switch(mode) {
        case GpioModeInput:
            printf("[GPIO] %s%d input\n", gpio->port, gpio->pin);
            break;

        case GpioModeOutputPushPull:
            printf("[GPIO] %s%d push pull\n", gpio->port, gpio->pin);
            break;

        case GpioModeOutputOpenDrain:
            printf("[GPIO] %s%d open drain\n", gpio->port, gpio->pin);
            break;

        default:
            printf("[GPIO] %s%d mode %d unsupported\n", gpio->port, gpio->pin, mode);
            break;
        }
    } else {
        printf("[GPIO] no pin\n");
    }
}

// write value to GPIO, false = LOW, true = HIGH
void hal_gpio_write(const GpioPin* gpio, const bool state) {
    if(gpio->pin != 0) {
        if(state) {
            printf("[GPIO] %s%d on\n", gpio->port, gpio->pin);
        } else {
            printf("[GPIO] %s%d off\n", gpio->port, gpio->pin);
        }
    } else {
        printf("[GPIO] no pin\n");
    }
}

// read value from GPIO, false = LOW, true = HIGH
bool hal_gpio_read(const GpioPin* gpio) {
    // TODO emulate pin state?
    return false;
}

void enable_cc1101_irq() {
    printf("enable cc1101 irq\n");
}