never, ever increments

a very, very odd thing.... #define BUFFER_SZ 64 unsigned char sBuf0tail; sBuf0tail = ((sBuf0tail + 1) % BUFFER_SZ); .. this increments a circular buffer index just fine. #define BUFFER_SZ 64...
ppp_is_up never TRUE

I manage to run ppp to connect GPRS using GSM modem Dail *99# and its working at least kinda But problem is It send USART AT command and modem return CONNECT I debug it using logic analyzer up to this...
ppp_is_up never TRUE

I manage to run ppp to connect GPRS using GSM modem Dail *99# and its working at least kinda But problem is It send USART AT command and modem return CONNECT I debug it using logic analyzer up to this...
never, ever increments

a very, very odd thing.... #define BUFFER_SZ 64 unsigned char sBuf0tail; sBuf0tail = ((sBuf0tail + 1) % BUFFER_SZ); .. this increments a circular buffer index just fine. #define BUFFER_SZ 64...
USBH_CDC_ACM_Receive never completes

Hello I have a USB communication between two STM32F769 µC. This works perfectly except in one case. When the amount of data is equal to the Bulk Maximum Endpoint Packet Size (64byte). I have attached...