int printf(const char *format, ...) {
register int *varg = (int *) (&format);
char *bufptr = buf;
int sz = print(&bufptr, varg);
int i;
/*
int x = 0;
for (x = 0; x < sz; x++) {
puts(buf[x]);
}
*/
i=sz;
buf[i++] = '\r';
buf[i++] = '\n';
while(i < 255){
buf[i++] = '\r';
}
USB_To_USART_Send_Data(buf,i);
// i++;
// sz=sz-64;
// }
//USB_OTG_BSP_uDelay(1000);
return sz;
}
/*******************************************************************************
* Function Name : EP3_OUT_Callback
* Description :
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void EP3_OUT_Callback(void)
{
uint16_t USB_Rx_Cnt;
char *BootCodeStr = "CM9X";
uint16_t i;
/* Get the received data buffer and update the counter */
USB_Rx_Cnt = USB_SIL_Read(EP3_OUT, USB_Rx_Buffer);
/* USB data will be immediately processed, this allow next USB traffic being
NAKed till the end of the USART Xfer */
if( reset_state == DTR_NEGEDGE )
{
reset_state = DTR_LOW;
if( USB_Rx_Cnt >= 4 )
{
for( i=0; i<4; i++ )
{
if( BootCodeStr[i] != USB_Rx_Buffer[i] ) break;
}
if( i == 4 )
{
Hw_IWDG_GoToBoot();
}
}
}
USB_To_USART_Send_Data(USB_Rx_Buffer, USB_Rx_Cnt);
/* Enable the receive of data on EP3 */
SetEPRxValid(ENDP3);
}
/*******************************************************************************
* Function Name : EP3_OUT_Callback
* Description :
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void EP3_OUT_Callback(void)
{
uint16_t USB_Rx_Cnt;
/* Get the received data buffer and update the counter */
USB_Rx_Cnt = USB_SIL_Read(EP3_OUT, USB_Rx_Buffer);
/* USB data will be immediately processed, this allow next USB traffic being
NAKed till the end of the USART Xfer */
USB_To_USART_Send_Data(USB_Rx_Buffer, USB_Rx_Cnt);
/* Enable the receive of data on EP3 */
SetEPRxValid(ENDP3);
}
/*******************************************************************************
* Function Name : EP3_OUT_Callback
* Description :
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void EP3_OUT_Callback(void)
{
uint16_t USB_Rx_Cnt;
int i;
/* Get the received data buffer and update the counter */
USB_Rx_Cnt = USB_SIL_Read(EP3_OUT, USB_Rx_Buffer);
/* USB data will be immediately processed, this allow next USB traffic being
NAKed till the end of the USART Xfer */
USB_To_USART_Send_Data(USB_Rx_Buffer, USB_Rx_Cnt);
if( USB_Rx_Cnt >= 4 )
{
uint8_t cmpBuf[4] = {0x43,0x4D,0x39,0x58};//{0x31, 0x45, 0x41, 0x46};
if (reset_state == DTR_NEGEDGE)
{
reset_state = DTR_LOW;
bool cmpMatch = TRUE;
for (i=0; i<4; i++)
{
if (USB_Rx_Buffer[i] != cmpBuf[i]) {
cmpMatch = FALSE;
}
}
if( cmpMatch == TRUE )
{
IWDG->PR = 0; // divider / 4
IWDG->RLR = 1;
IWDG->KR = 0xCCCC; // Start
}
}
}
//dbg_print("USB Rx\r\n");
/* Enable the receive of data on EP3 */
SetEPRxValid(ENDP3);
}