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[求助]利用CH376的外部固件模式，不能獲取配置描述符

OnlyTigerCan

OnlyTigerCan 發(fā)表于: 2013-01-31 00:27:00 發(fā)表于: 11年前

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調(diào)試信息如下

Successfully Connect CPU with CH376

USB Device Disconnected

USB Device Out_Firmware

**(USB Bus Reset Successfully)**

**(USB Endpoint 0 SETUP Successfully)**

Command Code: 0x80 0x06 0x00 0x01 0x00 0x00 0x40 0x00

USB Standard Input Request (Host to Device):GET_DESCRIPTOR--Device Descriptor

Data Wrote : 0x12 0x01 0x10 0x01 0x00 0x00 0x00 0x08

**(USB Endpoint 0 IN Successfully)**

Data Wrote : 0x88 0x88 0x01 0x00 0x00 0x01 0x01 0x02

**(USB Endpoint 0 OUT Successfully)**

**(USB Endpoint 0 SETUP Successfully)**

Command Code: USB Standard Input Request (Host to Device):GET_DESCRIPTOR--Device Descriptor

Data Wrote : 0x12 0x01 0x10 0x01 0x00 0x00 0x00 0x08

**(USB Bus Reset Successfully)**

**(USB Endpoint 0 SETUP Successfully)**

Command Code: 0x80 0x06 0x00 0x01 0x00 0x00 0x40 0x00

USB Standard Input Request (Host to Device):GET_DESCRIPTOR--Device Descriptor

Data Wrote : 0x12 0x01 0x10 0x01 0x00 0x00 0x00 0x08

**(USB Endpoint 0 IN Successfully)**

Data Wrote : 0x88 0x88 0x01 0x00 0x00 0x01 0x01 0x02

**(USB Endpoint 0 OUT Successfully)**

**(USB Endpoint 0 SETUP Successfully)**

Command Code: 0x00 0x05 0x0E 0x00 0x00 0x00 0x00 0x00

USB Standard Output Request (Host to Device):SET_ADDRESS--ADDRESS: 0x0E

Data Wrote :

**(USB Endpoint 0 IN Successfully)**

**(USB Endpoint 0 SETUP Successfully)**

Command Code: 0x80 0x06 0x00 0x01 0x00 0x00 0x12 0x00

USB Standard Input Request (Host to Device):GET_DESCRIPTOR--Device Descriptor

Data Wrote : 0x12 0x01 0x10 0x01 0x00 0x00 0x00 0x08

**(USB Endpoint 0 IN Successfully)**

Data Wrote : 0x88 0x88 0x01 0x00 0x00 0x01 0x01 0x02

**(USB Endpoint 0 IN Successfully)**

Data Wrote : 0x03 0x01

**(USB Endpoint 0 IN Successfully)**

Data Wrote :

**(USB Endpoint 0 OUT Successfully)**

**(USB Endpoint 0 IN Successfully)**

Data Wrote :

**(USB Endpoint 0 IN Successfully)**

Data Wrote :

**(USB Endpoint 0 OUT Successfully)**

**(USB Endpoint 0 IN Successfully)**

Data Wrote :

**(USB Endpoint 0 IN Successfully)**

Data Wrote :

**(USB Endpoint 0 OUT Successfully)**

**(USB Endpoint 0 IN Successfully)**

Data Wrote :

**(USB Endpoint 0 IN Successfully)**

Data Wrote :

**(USB Endpoint 0 OUT Successfully)**

**(USB Bus Reset Successfully)**

**(USB Endpoint 0 SETUP Successfully)**

Command Code: 0x80 0x06 0x00 0x01 0x00 0x00 0x40 0x00

USB Standard Input Request (Host to Device):GET_DESCRIPTOR--Device Descriptor

Data Wrote : 0x12 0x01 0x10 0x01 0x00 0x00 0x00 0x08

**(USB Endpoint 0 IN Successfully)**

Data Wrote : 0x88 0x88 0x01 0x00 0x00 0x01 0x01 0x02

**(USB Endpoint 0 OUT Successfully)**

**(USB Endpoint 0 SETUP Successfully)**

Command Code: 0x00 0x05 0x0E 0x00 0x00 0x00 0x00 0x00

USB Standard Output Request (Host to Device):SET_ADDRESS--ADDRESS: 0x0E

Data Wrote :

**(USB Endpoint 0 IN Successfully)**

**(USB Endpoint 0 SETUP Successfully)**

Command Code: 0x80 0x06 0x00 0x01 0x00 0x00 0x12 0x00

USB Standard Input Request (Host to Device):GET_DESCRIPTOR--Device Descriptor

Data Wrote : 0x12 0x01 0x10 0x01 0x00 0x00 0x00 0x08

**(USB Endpoint 0 IN Successfully)**

Data Wrote : 0x88 0x88 0x01 0x00 0x00 0x01 0x01 0x02

**(USB Endpoint 0 IN Successfully)**

Data Wrote : 0x03 0x01

**(USB Endpoint 0 IN Successfully)**

Data Wrote :

**(USB Endpoint 0 OUT Successfully)**

**(USB Endpoint 0 IN Successfully)**

Data Wrote :

**(USB Endpoint 0 IN Successfully)**

Data Wrote :

**(USB Endpoint 0 OUT Successfully)**

**(USB Endpoint 0 IN Successfully)**

Data Wrote :

**(USB Endpoint 0 IN Successfully)**

Data Wrote :

**(USB Endpoint 0 OUT Successfully)**

**(USB Endpoint 0 IN Successfully)**

Data Wrote :

**(USB Endpoint 0 IN Successfully)**

Data Wrote :

**(USB Endpoint 0 OUT Successfully)**

獲取完整設(shè)備描述符后就一直在EP0的IN和OUT之間中斷，怎么解決？？？[Emot]1[/Emot]

熱門產(chǎn)品 : CH32V317: 互聯(lián)型青稞RISC-V MCU

hcn

hcn 發(fā)表于: 2013-01-31 08:49:00 發(fā)表于: 11年前

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看你的程序設(shè)備描述符都沒有獲取完成啊，還有沒有看到你發(fā)送獲取配置描述符的命令下去獲取啊。

OnlyTigerCan

OnlyTigerCan 發(fā)表于: 2013-01-31 13:21:00 發(fā)表于: 11年前

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有了，第一次獲取部分設(shè)備描述符，然后設(shè)置地址之后獲取完整的描述符，之后就一直停留在EP0 IN 和EP0 OUT 以下是EP0 IN的中斷處理函數(shù)： void USB_ep0_in(void) { #ifdef DEBUG0 Printf("**(USB Endpoint 0 IN Successfully)**\r\n"); #endif if(bRequest==0x06) //如果是USB請(qǐng)求獲取描述符，繼續(xù)返回發(fā)送剩余描述符 { USB_Ep0_send_data(); //發(fā)送剩余的字節(jié)數(shù) } else if(bRequest==0x05) //如果是USB請(qǐng)求設(shè)置地址，使用SET_USB_ADDR設(shè)置地址 { CH376_write_command(SET_USB_ADDR); //設(shè)置USB地址,設(shè)置下次事務(wù)的USB地址 CH376_write_byte(USB_address); } CH376_clear_buffer(); //釋放緩沖區(qū)，UNLOCK_USB }

以下是EP0 OUT的中斷處理函數(shù) void USB_ep0_out(void) { #ifdef DEBUG0 Printf("**(USB Endpoint 0 OUT Successfully)**\r\n"); #endif CH376_write_command(RD_USB_DATA); if(m=CH376_read_byte()) //如果下傳數(shù)據(jù)的長(zhǎng)度不為0，讀出下傳數(shù)據(jù) { for(n=0;n { *(tem+n)=CH376_read_byte(); } } // CH376_clear_buffer(); //釋放緩沖區(qū),如果前面沒有CMD_RD_USB_DATA命令則使用本命令 } ////////////////////////End of function//////////////////////////////

ZFL

ZFL 發(fā)表于: 2013-01-31 13:53:00 發(fā)表于: 11年前

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你現(xiàn)在是不是設(shè)備沒被識(shí)別，你把EP0的IN和OUT串口輸出去掉，看能不能正常枚舉，用bushound抓取數(shù)據(jù)。

ZFL

ZFL 發(fā)表于: 2013-01-31 13:53:00 發(fā)表于: 11年前

2 30 139

主題回復(fù) 積分

等級(jí) 小學(xué)三年級(jí)

私信

你現(xiàn)在是不是設(shè)備沒被識(shí)別，你把EP0的IN和OUT串口輸出去掉，看能不能正常枚舉，用bushound抓取數(shù)據(jù)。

ZFL

ZFL 發(fā)表于: 2013-01-31 13:53:00 發(fā)表于: 11年前

2 30 139

主題回復(fù) 積分

等級(jí) 小學(xué)三年級(jí)

私信

你現(xiàn)在是不是設(shè)備沒被識(shí)別，你把EP0的IN和OUT串口輸出去掉，看能不能正常枚舉，用bushound抓取數(shù)據(jù)。

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