CH579 CH573 CH582 USB HID兼容设备上下传
作者:互联网
/********************************** (C) COPYRIGHT ******************************* * File Name : Main.c * Author : WCH * Version : V1.0 * Date : 2020/02/20 * Description : 模拟USB复合设备,键鼠,支持类命令 *******************************************************************************/ #include "CH57x_common.h" #define DevEP0SIZE 0x40 // 设备描述符 const UINT8 MyDevDescr[] = { 0x12, 0x01, 0x10, 0x01, 0x00, 0x00, 0x00, DevEP0SIZE, 0x3d, 0x41, 0x07, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }; // 配置描述符 const UINT8 MyCfgDescr[] = { 0x09,0x02,0x29,0x00,0x01,0x01,0x04,0xA0,0x23, //配置描述符 0x09,0x04,0x00,0x00,0x02,0x03,0x00,0x00,0x05, //接口描述符 0x09,0x21,0x00,0x01,0x00,0x01,0x22,0x22,0x00, //HID类描述符 0x07,0x05,0x82,0x03,DevEP0SIZE,0x00,0x01, //端点描述符(全速间隔时间改成1ms) 0x07,0x05,0x02,0x03,DevEP0SIZE,0x00,0x01, //端点描述符 }; // 语言描述符 const UINT8 MyLangDescr[] = { 0x04, 0x03, 0x09, 0x04 }; // 厂家信息 const UINT8 MyManuInfo[] = { 0x0E, 0x03, 'w', 0, 'c', 0, 'h', 0, '.', 0, 'c', 0, 'n', 0 }; // 产品信息 const UINT8 MyProdInfo[] = { 0x0C, 0x03, 'C', 0, 'H', 0, '5', 0, '7', 0, 'x', 0 }; /*HID类报表描述符*/ const UINT8 CfgDesc[] = { 0x06, 0x00,0xff, 0x09, 0x01, 0xa1, 0x01, //集合开始 0x09, 0x02, //Usage Page 用法 0x15, 0x00, //Logical Minimun 0x26, 0x00,0xff, //Logical Maximun 0x75, 0x08, //Report Size 0x95, DevEP0SIZE, //Report Counet 0x81, 0x06, //Input 0x09, 0x02, //Usage Page 用法 0x15, 0x00, //Logical Minimun 0x26, 0x00,0xff, //Logical Maximun 0x75, 0x08, //Report Size 0x95, DevEP0SIZE, //Report Counet 0x91, 0x06, //Output 0xC0 }; /**********************************************************/ UINT8 D\evConfig, Ready; UINT8 SetupReqCode; UINT16 SetupReqLen; const UINT8 *pDescr; /*鼠标键盘数据*/ UINT8 HIDInOutData[DevEP0SIZE] = { 0 }; /******** 用户自定义分配端点RAM ****************************************/ __attribute__((aligned(4))) UINT8 EP0_Databuf[64 + 64 + 64]; //ep0(64)+ep4_out(64)+ep4_in(64) __attribute__((aligned(4))) UINT8 EP1_Databuf[64 + 64]; //ep1_out(64)+ep1_in(64) __attribute__((aligned(4))) UINT8 EP2_Databuf[64 + 64]; //ep2_out(64)+ep2_in(64) __attribute__((aligned(4))) UINT8 EP3_Databuf[64 + 64]; //ep3_out(64)+ep3_in(64) void USB_DevTransProcess( void ) { UINT8 len, chtype; UINT8 intflag, errflag = 0; intflag = R8_USB_INT_FG; if ( intflag & RB_UIF_TRANSFER ) { if ( ( R8_USB_INT_ST & MASK_UIS_TOKEN ) != MASK_UIS_TOKEN ) // 非空闲 { switch ( R8_USB_INT_ST & ( MASK_UIS_TOKEN | MASK_UIS_ENDP ) ) // 分析操作令牌和端点号 { case UIS_TOKEN_IN : { switch ( SetupReqCode ) { case USB_GET_DESCRIPTOR : len = SetupReqLen >= DevEP0SIZE ? DevEP0SIZE : SetupReqLen; // 本次传输长度 memcpy( pEP0_DataBuf, pDescr, len ); /* 加载上传数据 */ SetupReqLen -= len; pDescr += len; R8_UEP0_T_LEN = len; R8_UEP0_CTRL ^= RB_UEP_T_TOG; // 翻转 break; case USB_SET_ADDRESS : R8_USB_DEV_AD = ( R8_USB_DEV_AD & RB_UDA_GP_BIT ) | SetupReqLen; R8_UEP0_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK; break; default : R8_UEP0_T_LEN = 0; // 状态阶段完成中断或者是强制上传0长度数据包结束控制传输 R8_UEP0_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK; break; } } break; case UIS_TOKEN_OUT : { len = R8_USB_RX_LEN; if ( SetupReqCode == 0x09 ) { if ( pEP0_DataBuf[0] ) printf( "Light on Num Lock LED!\n" ); else if ( pEP0_DataBuf[0] == 0 ) printf( "Light off Num Lock LED!\n" ); } } break; case UIS_TOKEN_OUT | 1 : { if ( R8_USB_INT_ST & RB_UIS_TOG_OK ) { // 不同步的数据包将丢弃 len = R8_USB_RX_LEN; DevEP1_OUT_Deal( len ); } } break; case UIS_TOKEN_IN | 1 : R8_UEP1_CTRL = ( R8_UEP1_CTRL & ~MASK_UEP_T_RES ) | UEP_T_RES_NAK; break; case UIS_TOKEN_OUT | 2 : { if ( R8_USB_INT_ST & RB_UIS_TOG_OK ) { // 不同步的数据包将丢弃 len = R8_USB_RX_LEN; DevEP2_OUT_Deal( len ); } } break; case UIS_TOKEN_IN | 2 : R8_UEP2_CTRL = ( R8_UEP2_CTRL & ~MASK_UEP_T_RES ) | UEP_T_RES_NAK; break; case UIS_TOKEN_OUT | 3 : { if ( R8_USB_INT_ST & RB_UIS_TOG_OK ) { // 不同步的数据包将丢弃 len = R8_USB_RX_LEN; DevEP3_OUT_Deal( len ); } } break; case UIS_TOKEN_IN | 3 : R8_UEP3_CTRL = ( R8_UEP3_CTRL & ~MASK_UEP_T_RES ) | UEP_T_RES_NAK; break; case UIS_TOKEN_OUT | 4 : { if ( R8_USB_INT_ST & RB_UIS_TOG_OK ) { R8_UEP4_CTRL ^= RB_UEP_R_TOG; len = R8_USB_RX_LEN; DevEP4_OUT_Deal( len ); } } break; case UIS_TOKEN_IN | 4 : R8_UEP4_CTRL ^= RB_UEP_T_TOG; R8_UEP4_CTRL = ( R8_UEP4_CTRL & ~MASK_UEP_T_RES ) | UEP_T_RES_NAK; break; default : break; } R8_USB_INT_FG = RB_UIF_TRANSFER; } if ( R8_USB_INT_ST & RB_UIS_SETUP_ACT ) // Setup包处理 { R8_UEP0_CTRL = RB_UEP_R_TOG | RB_UEP_T_TOG | UEP_R_RES_ACK | UEP_T_RES_NAK; SetupReqLen = pSetupReqPak->wLength; SetupReqCode = pSetupReqPak->bRequest; chtype = pSetupReqPak->bRequestType; len = 0; errflag = 0; if ( ( pSetupReqPak->bRequestType & USB_REQ_TYP_MASK ) != USB_REQ_TYP_STANDARD ) { switch ( SetupReqCode ) { case 0x0a : break; //这个一定要有 case 0x09 : break; default : errflag = 0xFF; } } else /* 标准请求 */ { switch ( SetupReqCode ) { case USB_GET_DESCRIPTOR : { switch ( ( ( pSetupReqPak->wValue ) >> 8 ) ) { case USB_DESCR_TYP_DEVICE : { pDescr = MyDevDescr; len = MyDevDescr[0]; } break; case USB_DESCR_TYP_CONFIG : { pDescr = MyCfgDescr; len = MyCfgDescr[2]; } break; case USB_DESCR_TYP_REPORT : { if ( ( ( pSetupReqPak->wIndex ) & 0xff ) == 0 ) //接口0报表描述符 { pDescr = CfgDesc; //数据准备上传 len = sizeof( CfgDesc ); } else len = 0xff; //本程序只有2个接口,这句话正常不可能执行 } break; case USB_DESCR_TYP_STRING : { switch ( ( pSetupReqPak->wValue ) & 0xff ) { case 1 : pDescr = MyManuInfo; len = MyManuInfo[0]; break; case 2 : pDescr = MyProdInfo; len = MyProdInfo[0]; break; case 0 : pDescr = MyLangDescr; len = MyLangDescr[0]; break; default : errflag = 0xFF; // 不支持的字符串描述符 break; } } break; default : errflag = 0xff; break; } if ( SetupReqLen > len ) SetupReqLen = len; //实际需上传总长度 len = ( SetupReqLen >= DevEP0SIZE ) ? DevEP0SIZE : SetupReqLen; memcpy( pEP0_DataBuf, pDescr, len ); pDescr += len; } break; case USB_SET_ADDRESS : SetupReqLen = ( pSetupReqPak->wValue ) & 0xff; break; case USB_GET_CONFIGURATION : pEP0_DataBuf[0] = DevConfig; if ( SetupReqLen > 1 ) SetupReqLen = 1; break; case USB_SET_CONFIGURATION : DevConfig = ( pSetupReqPak->wValue ) & 0xff; break; case USB_CLEAR_FEATURE : { if ( ( pSetupReqPak->bRequestType & USB_REQ_RECIP_MASK ) == USB_REQ_RECIP_ENDP ) // 端点 { switch ( ( pSetupReqPak->wIndex ) & 0xff ) { case 0x82 : R8_UEP2_CTRL = ( R8_UEP2_CTRL & ~( RB_UEP_T_TOG | MASK_UEP_T_RES ) ) | UEP_T_RES_NAK; break; case 0x02 : R8_UEP2_CTRL = ( R8_UEP2_CTRL & ~( RB_UEP_R_TOG | MASK_UEP_R_RES ) ) | UEP_R_RES_ACK; break; case 0x81 : R8_UEP1_CTRL = ( R8_UEP1_CTRL & ~( RB_UEP_T_TOG | MASK_UEP_T_RES ) ) | UEP_T_RES_NAK; break; case 0x01 : R8_UEP1_CTRL = ( R8_UEP1_CTRL & ~( RB_UEP_R_TOG | MASK_UEP_R_RES ) ) | UEP_R_RES_ACK; break; default : errflag = 0xFF; // 不支持的端点 break; } } else errflag = 0xFF; } break; case USB_GET_INTERFACE : pEP0_DataBuf[0] = 0x00; if ( SetupReqLen > 1 ) SetupReqLen = 1; break; case USB_GET_STATUS : pEP0_DataBuf[0] = 0x00; pEP0_DataBuf[1] = 0x00; if ( SetupReqLen > 2 ) SetupReqLen = 2; break; default : errflag = 0xff; break; } } if ( errflag == 0xff ) // 错误或不支持 { // SetupReqCode = 0xFF; R8_UEP0_CTRL = RB_UEP_R_TOG | RB_UEP_T_TOG | UEP_R_RES_STALL | UEP_T_RES_STALL; // STALL } else { if ( chtype & 0x80 ) // 上传 { len = ( SetupReqLen > DevEP0SIZE ) ? DevEP0SIZE : SetupReqLen; SetupReqLen -= len; } else len = 0; // 下传 R8_UEP0_T_LEN = len; R8_UEP0_CTRL = RB_UEP_R_TOG | RB_UEP_T_TOG | UEP_R_RES_ACK | UEP_T_RES_ACK; // 默认数据包是DATA1 } R8_USB_INT_FG = RB_UIF_TRANSFER; } } else if ( intflag & RB_UIF_BUS_RST ) { R8_USB_DEV_AD = 0; 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_USB_INT_FG = RB_UIF_BUS_RST; } else if ( intflag & RB_UIF_SUSPEND ) { if ( R8_USB_MIS_ST & RB_UMS_SUSPEND ) { ; } // 挂起 else { ; } // 唤醒 R8_USB_INT_FG = RB_UIF_SUSPEND; } else { R8_USB_INT_FG = intflag; } } void DebugInit( void ) { GPIOA_SetBits( GPIO_Pin_9 ); GPIOA_ModeCfg( GPIO_Pin_8, GPIO_ModeIN_PU ); GPIOA_ModeCfg( GPIO_Pin_9, GPIO_ModeOut_PP_5mA ); UART1_DefInit(); } int main() { SetSysClock( CLK_SOURCE_PLL_60MHz ); DebugInit(); printf( "start\n" ); pEP0_RAM_Addr = EP0_Databuf; pEP1_RAM_Addr = EP1_Databuf; pEP2_RAM_Addr = EP2_Databuf; pEP3_RAM_Addr = EP3_Databuf; USB_DeviceInit(); PFIC_EnableIRQ( USB_IRQn ); while( 1 ) { } } void DevEP1_OUT_Deal( UINT8 l ) { /* 用户可自定义 */ UINT8 i; for ( i = 0; i < l; i++ ) { pEP1_IN_DataBuf[i] = ~pEP1_OUT_DataBuf[i]; } DevEP1_IN_Deal( l ); } void DevEP2_OUT_Deal( UINT8 l ) { /* 用户可自定义 */ UINT8 i; for ( i = 0; i < l; i++ ) { pEP2_IN_DataBuf[i] = ~pEP2_OUT_DataBuf[i]; } DevEP2_IN_Deal( l ); } void DevEP3_OUT_Deal( UINT8 l ) { /* 用户可自定义 */ UINT8 i; for ( i = 0; i < l; i++ ) { pEP3_IN_DataBuf[i] = ~pEP3_OUT_DataBuf[i]; } DevEP3_IN_Deal( l ); } void DevEP4_OUT_Deal( UINT8 l ) { /* 用户可自定义 */ UINT8 i; for ( i = 0; i < l; i++ ) { pEP4_IN_DataBuf[i] = ~pEP4_OUT_DataBuf[i]; } DevEP4_IN_Deal( l ); } __attribute__((interrupt("WCH-Interrupt-fast"))) __attribute__((section(".highcode"))) void USB_IRQHandler( void ) /* USB中断服务程序,使用寄存器组1 */ { USB_DevTransProcess(); }View Code
标签:CH579,USB,CH573,R8,len,break,RES,UEP 来源: https://www.cnblogs.com/debugdabiaoge/p/15897294.html