You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
113 lines
3.4 KiB
113 lines
3.4 KiB
/********************************** (C) COPYRIGHT *******************************
|
|
* File Name : CH59x_usbdev.c
|
|
* Author : WCH
|
|
* Version : V1.2
|
|
* Date : 2021/11/17
|
|
* Description
|
|
*********************************************************************************
|
|
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
|
* Attention: This software (modified or not) and binary are used for
|
|
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
|
*******************************************************************************/
|
|
|
|
#include "CH59x_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设备功能初始化，4个端点，8个通道。
|
|
*
|
|
* @param none
|
|
*
|
|
* @return none
|
|
*/
|
|
void USB_DeviceInit(void)
|
|
{
|
|
R8_USB_CTRL = 0x00; // 先设定模式,取消 RB_UC_CLR_ALL
|
|
|
|
R8_UEP4_1_MOD = RB_UEP4_RX_EN | RB_UEP4_TX_EN | RB_UEP1_RX_EN | RB_UEP1_TX_EN; // 端点4 OUT+IN,端点1 OUT+IN
|
|
R8_UEP2_3_MOD = RB_UEP2_RX_EN | RB_UEP2_TX_EN | RB_UEP3_RX_EN | RB_UEP3_TX_EN; // 端点2 OUT+IN,端点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; // 启动USB设备及DMA，在中断期间中断标志未清除前自动返回NAK
|
|
R16_PIN_ANALOG_IE |= RB_PIN_USB_IE | RB_PIN_USB_DP_PU; // 防止USB端口浮空及上拉电阻
|
|
R8_USB_INT_FG = 0xFF; // 清中断标志
|
|
R8_UDEV_CTRL = RB_UD_PD_DIS | RB_UD_PORT_EN; // 允许USB端口
|
|
R8_USB_INT_EN = RB_UIE_SUSPEND | RB_UIE_BUS_RST | RB_UIE_TRANSFER;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* @fn DevEP1_IN_Deal
|
|
*
|
|
* @brief 端点1数据上传
|
|
*
|
|
* @param l - 上传数据长度(<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 端点2数据上传
|
|
*
|
|
* @param l - 上传数据长度(<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 端点3数据上传
|
|
*
|
|
* @param l - 上传数据长度(<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 端点4数据上传
|
|
*
|
|
* @param l - 上传数据长度(<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;
|
|
}
|
|
|