UART2 Init

void initUART(Nubot *temp) {
    ESP_LOGI(TAG, "Initialising UART for GPS\n");
//  gpio_set_direction(23, GPIO_MODE_OUTPUT);
//  gpio_set_direction(22, GPIO_MODE_INPUT);
//  gpio_set_pull_mode(22, GPIO_PULLUP_ONLY);

    uart_config_t uart_config = { .baud_rate = 9600, .data_bits = UART_DATA_8_BITS, .parity = UART_PARITY_DISABLE, .stop_bits =
            UART_STOP_BITS_1, .flow_ctrl = UART_HW_FLOWCTRL_DISABLE};

    uart_param_config(UART_NUM_2, &uart_config);
    uart_set_pin(UART_NUM_2, 23, 22, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE);
    uart_driver_install(UART_NUM_2, BUF_SIZE * 2, 0, 0, NULL, 0);
}