/* write a full block or less out EndPoint1 every callback */
void EP1_IN_Callback(void)
{
static uint8_t buffer[VIRTUAL_COM_PORT_DATA_SIZE];
unsigned int bytes = GetDataFromRing(&tx_ring, VIRTUAL_COM_PORT_DATA_SIZE, buffer);
if (bytes)
{
USB_SIL_Write(EP1_IN, buffer, bytes);
#ifndef STM32F10X_CL
SetEPTxValid(ENDP1);
#endif /* STM32F10X_CL */
}
else
{
write_ready = 1;
}
}
/* Call the applications call back on interrupt */
void H1UART_HANDLER(void)
{
stat_uart_irq++;
if (USART_GetFlagStatus(H1UART, USART_FLAG_TXE))
{
uint8_t byte;
if (GetDataFromRing(&tx_ring, 1, &byte))
{
USART_SendData(H1UART, byte);
}
else
{
USART_ITConfig(H1UART, USART_IT_TXE, DISABLE);
}
}
if (USART_GetFlagStatus(H1UART, USART_FLAG_RXNE))
{
uint8_t byte = USART_ReceiveData(H1UART);
stat_uart_rx++;
PutDataInRing(&rx_ring, 1, &byte);
}
}
/* read data from endpoint's ring */
unsigned int USB_VCOMread(unsigned int size, void* buffer)
{
return GetDataFromRing(&rx_ring, size, (uint8_t*)buffer);
}
/* read as much data as available data from the ring into the provided buffer */
unsigned int UARTread(unsigned int size, void* buffer)
{
unsigned int ret = GetDataFromRing(&rx_ring, size, (uint8_t*)buffer);
return ret;
}