shimun/solo
1
0
Fork 0
Code Issues Pull Requests Releases 1 Wiki Activity

increase buffer size for USB strings, check string length

Browse Source
This commit is contained in:
Conor Patrick 2019-03-02 19:38:03 -05:00
parent 5995f84822
commit 0232893611
3 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
targets/stm32l432/lib/usbd/usbd_ctlreq.c
View File

@ -821,12 +821,16 @@ void USBD_CtlError( USBD_HandleTypeDef *pdev ,
* @param len : descriptor length
* @retval None
*/
void USBD_GetString(uint8_t *desc, uint8_t *unicode, uint16_t *len)
void USBD_GetString(uint8_t *desc, uint8_t *unicode, uint16_t unicode_size, uint16_t *len)
{
uint8_t idx = 0U;
if (desc != NULL)
{
if ((idx + 4) >= unicode_size)
{
return;
}
*len = (uint16_t)USBD_GetLen(desc) * 2U + 2U;
unicode[idx++] = *(uint8_t *)(void *)len;
unicode[idx++] = USB_DESC_TYPE_STRING;

2
targets/stm32l432/lib/usbd/usbd_ctlreq.h
View File

@ -108,7 +108,7 @@ void USBD_CtlError (USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
void USBD_ParseSetupRequest (USBD_SetupReqTypedef *req, uint8_t *pdata);
void USBD_GetString (uint8_t *desc, uint8_t *unicode, uint16_t *len);
void USBD_GetString(uint8_t *desc, uint8_t *unicode, uint16_t unicode_size, uint16_t *len);
/**
* @}
*/

8
targets/stm32l432/lib/usbd/usbd_desc.c
View File

@ -108,7 +108,7 @@ const uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC]=
HIBYTE(USBD_LANGID_STRING),
};
uint8_t USBD_StrDesc[32];
uint8_t USBD_StrDesc[48];
/**
* @brief Returns the device descriptor.
@ -142,7 +142,7 @@ uint8_t *USBD_HID_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
*/
uint8_t *USBD_HID_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
USBD_GetString((uint8_t *)USBD_PRODUCT_FS_STRING, USBD_StrDesc, length);
USBD_GetString((uint8_t *)USBD_PRODUCT_FS_STRING, USBD_StrDesc, sizeof(USBD_StrDesc), length);
return USBD_StrDesc;
}
@ -154,7 +154,7 @@ uint8_t *USBD_HID_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length
*/
uint8_t *USBD_HID_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
USBD_GetString((uint8_t *)USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
USBD_GetString((uint8_t *)USBD_MANUFACTURER_STRING, USBD_StrDesc, sizeof(USBD_StrDesc), length);
return USBD_StrDesc;
}
@ -192,6 +192,6 @@ uint8_t *USBD_HID_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
}
USBD_GetString((uint8_t *)uuid_str, USBD_StrDesc, length);
USBD_GetString((uint8_t *)uuid_str, USBD_StrDesc, sizeof(USBD_StrDesc), length);
return USBD_StrDesc;
}