usbtogpio.c

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// SPDX-License-Identifier: GPL-2.0-or-later
 
/***************************************************************************
 *   Copyright (C) 2009 - 2010 by Simon Qian <SimonQian@SimonQian.com>     *
 ***************************************************************************/
 
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
 
#include <string.h>
 
#include "../versaloon_include.h"
#include "../versaloon.h"
#include "../versaloon_internal.h"
#include "usbtoxxx.h"
#include "usbtoxxx_internal.h"
 
RESULT usbtogpio_init(uint8_t interface_index)
{
    return usbtoxxx_init_command(USB_TO_GPIO, interface_index);
}
 
RESULT usbtogpio_fini(uint8_t interface_index)
{
    return usbtoxxx_fini_command(USB_TO_GPIO, interface_index);
}
 
RESULT usbtogpio_config(uint8_t interface_index, uint32_t mask,
    uint32_t dir_mask, uint32_t pull_en_mask,
    uint32_t input_pull_mask)
{
    uint8_t conf[8];
 
#if PARAM_CHECK
    if (interface_index > 7) {
        LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
        return ERROR_FAIL;
    }
#endif
 
    dir_mask &= mask;
    SET_LE_U16(&conf[0], mask);
    SET_LE_U16(&conf[2], dir_mask);
    SET_LE_U16(&conf[4], pull_en_mask);
    SET_LE_U16(&conf[6], input_pull_mask);
 
    return usbtoxxx_conf_command(USB_TO_GPIO, interface_index, conf,
        sizeof(conf));
}
 
RESULT usbtogpio_in(uint8_t interface_index, uint32_t mask, uint32_t *value)
{
    uint8_t buf[2];
 
#if PARAM_CHECK
    if (interface_index > 7) {
        LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
        return ERROR_FAIL;
    }
#endif
 
    SET_LE_U16(&buf[0], mask);
 
    return usbtoxxx_in_command(USB_TO_GPIO, interface_index, buf, 2, 2,
        (uint8_t *)value, 0, 2, 0);
}
 
RESULT usbtogpio_out(uint8_t interface_index, uint32_t mask, uint32_t value)
{
    uint8_t buf[4];
 
#if PARAM_CHECK
    if (interface_index > 7) {
        LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
        return ERROR_FAIL;
    }
#endif
 
    SET_LE_U16(&buf[0], mask);
    SET_LE_U16(&buf[2], value);
 
    return usbtoxxx_out_command(USB_TO_GPIO, interface_index, buf, 4, 0);
}