application/usbstd/usbhw.c

/******************************************************************************
 * @file     usbhw.c
 *
 * @brief    for TLSR chips
 *
 * @author   public@telink-semi.com;
 * @date     Sep. 30, 2010
 *
 * @attention
 *
 *  Copyright (C) 2019-2020 Telink Semiconductor (Shanghai) Co., Ltd.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *****************************************************************************/
#include "tl_common.h"
#include "drivers.h"


#include "usbhw.h"
#include "usbhw_i.h"

// Endpoint8 is the alias of endpoint0
void usbhw_disable_manual_interrupt(int m) {
    SET_FLD(reg_ctrl_ep_irq_mode, m);
}

void usbhw_enable_manual_interrupt(int m) {
    CLR_FLD(reg_ctrl_ep_irq_mode, m);
}

void usbhw_write_ep(u32 ep, u8 * data, int len) {
    assert(ep < 8);
    reg_usb_ep_ptr(ep) = 0;

    foreach(i,len){
        reg_usb_ep_dat(ep) = data[i];
    }
    reg_usb_ep_ctrl(ep) = FLD_EP_DAT_ACK;        // ACK
}

// handy help function
void usbhw_write_ctrl_ep_u16(u16 v){
    usbhw_write_ctrl_ep_data(v & 0xff);
    usbhw_write_ctrl_ep_data(v >> 8);
}

u16 usbhw_read_ctrl_ep_u16(void){
    u16 v = usbhw_read_ctrl_ep_data();
    return (usbhw_read_ctrl_ep_data() << 8) | v;
}