1 /******************************************************************************
2 * Copyright (c) 2022 Telink Semiconductor (Shanghai) Co., Ltd. ("TELINK")
3 * All rights reserved.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 *****************************************************************************/
18 #include "usbhw.h"
19 /**
20 * @brief This function disables the manual interrupt
21 * (Endpont8 is the alias of endpoint0)
22 * @param[in] m - the irq mode needs to set
23 * @return none
24 */
usbhw_disable_manual_interrupt(int m)25 void usbhw_disable_manual_interrupt(int m)
26 {
27 BM_SET(reg_ctrl_ep_irq_mode, m);
28 }
29
30 /**
31 * @brief This function enable the manual interrupt
32 * @param[in] m - the irq mode needs to set
33 * @return none
34 */
usbhw_enable_manual_interrupt(int m)35 void usbhw_enable_manual_interrupt(int m)
36 {
37 BM_CLR(reg_ctrl_ep_irq_mode, m);
38 }
39
40 /**
41 * @brief This function sends a bulk of data to host via the specified endpoint
42 * @param[in] ep - the number of the endpoint
43 * @param[in] data - pointer to the data need to send
44 * @param[in] len - length in byte of the data need to send
45 * @return none
46 */
usbhw_write_ep(unsigned int ep,unsigned char * data,int len)47 void usbhw_write_ep(unsigned int ep, unsigned char *data, int len)
48 {
49 reg_usb_ep_ptr(ep) = 0;
50
51 for (int i = 0; i < (len); ++i) {
52 reg_usb_ep_dat(ep) = data[i];
53 }
54 reg_usb_ep_ctrl(ep) = FLD_EP_DAT_ACK; // ACK
55 }
56
57 /**
58 * @brief This function sends two bytes data to host via the control endpoint
59 * (handy help function)
60 * @param[in] v - the two bytes data need to send
61 * @return none
62 */
usbhw_write_ctrl_ep_u16(unsigned short v)63 void usbhw_write_ctrl_ep_u16(unsigned short v)
64 {
65 usbhw_write_ctrl_ep_data(v & 0xff);
66 usbhw_write_ctrl_ep_data(v >> 8);
67 }
68
69 /**
70 * @brief This function reads two bytes data from host via the control endpoint
71 * @param none
72 * @return the two bytes data read from the control endpoint
73 */
usbhw_read_ctrl_ep_u16(void)74 unsigned short usbhw_read_ctrl_ep_u16(void)
75 {
76 unsigned short v = usbhw_read_ctrl_ep_data();
77 return (usbhw_read_ctrl_ep_data() << 8) | v;
78 }
79