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repair string descriptors

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This commit is contained in:
Kizarm 2024-10-13 13:27:24 +02:00
parent 910516bd8a
commit b4f5dd0670
4 changed files with 27 additions and 63 deletions
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36
V203/usb/cdc/ch32v203/cdc_class.cpp
View file

@ -295,37 +295,15 @@ void cdc_class::SetupTokenHandler() {
break;
/* get usb string descriptor */
case USB_DESCR_TYP_STRING:
switch( (uint8_t)( USBFS_SetupReqValue & 0xFF ) ) {
/* Descriptor 0, Language descriptor */
case DEF_STRING_DESC_LANG:
pUSBFS_Descr = MyLangDescr;
len = DEF_USBD_LANG_DESC_LEN;
break;
/* Descriptor 1, Manufacturers String descriptor */
case DEF_STRING_DESC_MANU:
pUSBFS_Descr = MyManuInfo;
len = DEF_USBD_MANU_DESC_LEN;
break;
/* Descriptor 2, Product String descriptor */
case DEF_STRING_DESC_PROD:
pUSBFS_Descr = MyProdInfo;
len = DEF_USBD_PROD_DESC_LEN;
break;
/* Descriptor 3, Serial-number String descriptor */
case DEF_STRING_DESC_SERN:
pUSBFS_Descr = MySerNumInfo;
len = DEF_USBD_SN_DESC_LEN;
break;
default:
case USB_DESCR_TYP_STRING: {
const uint8_t order = USBFS_SetupReqValue & 0xFF;
if (order < DEF_MAX_STRINGS) {
pUSBFS_Descr = StringDescArray [order];
len = pUSBFS_Descr [0];
} else {
errflag = 0xFF;
break;
}
break;
} break;
default :
errflag = 0xFF;

5
V203/usb/cdc/ch32v203/ch32v20x_usb.h
View file

@ -60,11 +60,6 @@ extern "C" {
#define USB_SYNCH_FRAME 0x0C
#endif
#define DEF_STRING_DESC_LANG 0x00
#define DEF_STRING_DESC_MANU 0x01
#define DEF_STRING_DESC_PROD 0x02
#define DEF_STRING_DESC_SERN 0x03
/* USB hub class request code */
#ifndef HUB_GET_DESCRIPTOR
#define HUB_GET_STATUS 0x00

32
V203/usb/cdc/usb_desc.cpp
View file

@ -61,25 +61,23 @@ const uint8_t MyCfgDescr[] =
/* Endpoint descriptor */
0x07, 0x05, 0x83, 0x02, (uint8_t)DEF_USBD_ENDP3_SIZE, (uint8_t)( DEF_USBD_ENDP3_SIZE >> 8 ), 0x00,
};
#define USB_DTYPE_STRING 3u
/* Language Descriptor */
const uint8_t MyLangDescr[] = {
0x04, 0x03, 0x09, 0x04
};
#define DEF_STRDESC(p,n) w_text<(sizeof(p)>>1)>n={sizeof(n)-2u,3u,{p}}
template<const unsigned N> struct w_text {
uint8_t len, typ;
const char16_t str [N];
}__attribute__((packed));
};
static const DEF_STRDESC((u"Kizarm Labs."), str_1);
static const DEF_STRDESC((u"USB <=> USART"),str_2);
static const DEF_STRDESC((u"0001"), str_3);
/* Language Descriptor */
static const uint8_t LangDescr[] = {
0x04, 0x03, 0x09, 0x04
};
const uint8_t * StringDescArray [DEF_MAX_STRINGS] = {
LangDescr,
reinterpret_cast<const uint8_t*> (&str_1),
reinterpret_cast<const uint8_t*> (&str_2),
reinterpret_cast<const uint8_t*> (&str_3),
};
#define WSTR1 (u"Kizarm Labs.")
#define WSTR2 (u"USB <=> USART")
#define WSTR3 (u"0001")
static const w_text<(sizeof WSTR1 >> 1u)> str_1 = {sizeof (str_1) - 2u, USB_DTYPE_STRING, {WSTR1}};
static const w_text<(sizeof WSTR2 >> 1u)> str_2 = {sizeof (str_2) - 2u, USB_DTYPE_STRING, {WSTR2}};
static const w_text<(sizeof WSTR3 >> 1u)> str_3 = {sizeof (str_3) - 2u, USB_DTYPE_STRING, {WSTR3}};
const uint8_t * MyManuInfo = reinterpret_cast<const uint8_t*> (&str_1);
const uint8_t * MyProdInfo = reinterpret_cast<const uint8_t*> (&str_2);
const uint8_t * MySerNumInfo = reinterpret_cast<const uint8_t*> (&str_3);

11
V203/usb/cdc/usb_desc.h
View file

@ -50,11 +50,8 @@
#define DEF_USBD_DEVICE_DESC_LEN ((uint8_t)MyDevDescr[0])
#define DEF_USBD_CONFIG_DESC_LEN ((uint16_t)MyCfgDescr[2] + (uint16_t)(MyCfgDescr[3] << 8))
#define DEF_USBD_REPORT_DESC_LEN 0
#define DEF_USBD_LANG_DESC_LEN ((uint16_t)MyLangDescr[0])
#define DEF_USBD_MANU_DESC_LEN ((uint16_t)MyManuInfo[0])
#define DEF_USBD_PROD_DESC_LEN ((uint16_t)MyProdInfo[0])
#define DEF_USBD_SN_DESC_LEN ((uint16_t)MySerNumInfo[0])
#define DEF_MAX_STRINGS (4)
/******************************************************************************/
/* external variables */
#ifdef __cplusplus
@ -62,11 +59,7 @@ extern "C" {
#endif // __cplusplus
extern const uint8_t MyDevDescr[ ];
extern const uint8_t MyCfgDescr[ ];
extern const uint8_t MyLangDescr[ ];
extern const uint8_t * MyManuInfo;
extern const uint8_t * MyProdInfo;
extern const uint8_t * MySerNumInfo;
extern const uint8_t * StringDescArray [DEF_MAX_STRINGS];
#ifdef __cplusplus
};
#endif // __cplusplus