pikapython/bsp/ch582/StdPeriphDriver/CH58x_usbdev.c

/********************************** (C) COPYRIGHT *******************************
 * File Name          : CH58x_usbdev.c
 * Author             : WCH
 * Version            : V1.2
 * Date               : 2021/11/17
 * Description
 * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
 * SPDX-License-Identifier: Apache-2.0
 *******************************************************************************/

#include "CH58x_common.h"

uint8_t *pEP0_RAM_Addr;
uint8_t *pEP1_RAM_Addr;
uint8_t *pEP2_RAM_Addr;
uint8_t *pEP3_RAM_Addr;

/*********************************************************************
 * @fn      USB_DeviceInit
 *
 * @brief   USB<EFBFBD>豸<EFBFBD><EFBFBD><EFBFBD>ܳ<EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>4<EFBFBD><EFBFBD><EFBFBD>˵㣬8<EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *
 * @param   none
 *
 * @return  none
 */
void USB_DeviceInit(void)
{
    R8_USB_CTRL = 0x00; // <20><><EFBFBD>趨ģʽ,ȡ<><C8A1> RB_UC_CLR_ALL

    R8_UEP4_1_MOD = RB_UEP4_RX_EN | RB_UEP4_TX_EN | RB_UEP1_RX_EN | RB_UEP1_TX_EN; // <20>˵<EFBFBD>4 OUT+IN,<2C>˵<EFBFBD>1 OUT+IN
    R8_UEP2_3_MOD = RB_UEP2_RX_EN | RB_UEP2_TX_EN | RB_UEP3_RX_EN | RB_UEP3_TX_EN; // <20>˵<EFBFBD>2 OUT+IN,<2C>˵<EFBFBD>3 OUT+IN

    R16_UEP0_DMA = (uint16_t)(uint32_t)pEP0_RAM_Addr;
    R16_UEP1_DMA = (uint16_t)(uint32_t)pEP1_RAM_Addr;
    R16_UEP2_DMA = (uint16_t)(uint32_t)pEP2_RAM_Addr;
    R16_UEP3_DMA = (uint16_t)(uint32_t)pEP3_RAM_Addr;

    R8_UEP0_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK;
    R8_UEP1_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK | RB_UEP_AUTO_TOG;
    R8_UEP2_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK | RB_UEP_AUTO_TOG;
    R8_UEP3_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK | RB_UEP_AUTO_TOG;
    R8_UEP4_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK;

    R8_USB_DEV_AD = 0x00;
    R8_USB_CTRL = RB_UC_DEV_PU_EN | RB_UC_INT_BUSY | RB_UC_DMA_EN; // <20><><EFBFBD><EFBFBD>USB<53>豸<EFBFBD><E8B1B8>DMA<4D><41><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6>ڼ<EFBFBD><DABC>жϱ<D0B6>־δ<D6BE><CEB4><EFBFBD><EFBFBD>ǰ<EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD>NAK
    R16_PIN_ANALOG_IE |= RB_PIN_USB_IE | RB_PIN_USB_DP_PU;         // <20><>ֹUSB<53>˿ڸ<CBBF><DAB8>ռ<EFBFBD><D5BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    R8_USB_INT_FG = 0xFF;                                          // <20><><EFBFBD>жϱ<D0B6>־
    R8_UDEV_CTRL = RB_UD_PD_DIS | RB_UD_PORT_EN;                   // <20><><EFBFBD><EFBFBD>USB<53>˿<EFBFBD>
    R8_USB_INT_EN = RB_UIE_SUSPEND | RB_UIE_BUS_RST | RB_UIE_TRANSFER;
}

/*********************************************************************
 * @fn      DevEP1_IN_Deal
 *
 * @brief   <EFBFBD>˵<EFBFBD>1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϴ<EFBFBD>
 *
 * @param   l   - <EFBFBD>ϴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD><EFBFBD>(<64B)
 *
 * @return  none
 */
void DevEP1_IN_Deal(uint8_t l)
{
    R8_UEP1_T_LEN = l;
    R8_UEP1_CTRL = (R8_UEP1_CTRL & ~MASK_UEP_T_RES) | UEP_T_RES_ACK;
}

/*********************************************************************
 * @fn      DevEP2_IN_Deal
 *
 * @brief   <EFBFBD>˵<EFBFBD>2<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϴ<EFBFBD>
 *
 * @param   l   - <EFBFBD>ϴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD><EFBFBD>(<64B)
 *
 * @return  none
 */
void DevEP2_IN_Deal(uint8_t l)
{
    R8_UEP2_T_LEN = l;
    R8_UEP2_CTRL = (R8_UEP2_CTRL & ~MASK_UEP_T_RES) | UEP_T_RES_ACK;
}

/*********************************************************************
 * @fn      DevEP3_IN_Deal
 *
 * @brief   <EFBFBD>˵<EFBFBD>3<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϴ<EFBFBD>
 *
 * @param   l   - <EFBFBD>ϴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD><EFBFBD>(<64B)
 *
 * @return  none
 */
void DevEP3_IN_Deal(uint8_t l)
{
    R8_UEP3_T_LEN = l;
    R8_UEP3_CTRL = (R8_UEP3_CTRL & ~MASK_UEP_T_RES) | UEP_T_RES_ACK;
}

/*********************************************************************
 * @fn      DevEP4_IN_Deal
 *
 * @brief   <EFBFBD>˵<EFBFBD>4<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϴ<EFBFBD>
 *
 * @param   l   - <EFBFBD>ϴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD><EFBFBD>(<64B)
 *
 * @return  none
 */
void DevEP4_IN_Deal(uint8_t l)
{
    R8_UEP4_T_LEN = l;
    R8_UEP4_CTRL = (R8_UEP4_CTRL & ~MASK_UEP_T_RES) | UEP_T_RES_ACK;
}