/**
* Function for notifying application about new bytes received.
*/
static void processReceive(void)
{
// Set head position to not be changed during read procedure.
uint16_t head = sReceiveHead;
otEXPECT(isRxBufferEmpty() == false);
// In case head roll back to the beginning of the buffer, notify about left
// bytes from the end of the buffer.
if (head < sReceiveTail)
{
otPlatUartReceived(&sReceiveBuffer[sReceiveTail], (UART_RX_BUFFER_SIZE - sReceiveTail));
sReceiveTail = 0;
}
// Notify about received bytes.
if (head > sReceiveTail)
{
otPlatUartReceived(&sReceiveBuffer[sReceiveTail], (head - sReceiveTail));
sReceiveTail = head;
}
exit:
return;
}
/**
* @brief process the receive side of the buffers
*/
static void processReceive(void)
{
while (sReceiveHeadIdx != sReceiveTailIdx)
{
uint16_t tailIdx;
if (sReceiveHeadIdx < sReceiveTailIdx)
{
tailIdx = sReceiveTailIdx;
otPlatUartReceived(&(sReceiveBuffer[sReceiveHeadIdx]), tailIdx - sReceiveHeadIdx);
sReceiveHeadIdx = tailIdx;
}
else
{
tailIdx = CC2650_RECV_CIRC_BUFF_SIZE;
otPlatUartReceived(&(sReceiveBuffer[sReceiveHeadIdx]), tailIdx - sReceiveHeadIdx);
sReceiveHeadIdx = 0;
}
}
}
static void processReceive(void)
{
// Copy tail to prevent multiple reads
uint16_t tail = sReceive.mTail;
// If the data wraps around, process the first part
if (sReceive.mHead > tail)
{
otPlatUartReceived(sReceive.mBuffer + sReceive.mHead, kReceiveBufferSize - sReceive.mHead);
// Reset the buffer mHead back to zero.
sReceive.mHead = 0;
}
// For any data remaining, process it
if (sReceive.mHead != tail)
{
otPlatUartReceived(sReceive.mBuffer + sReceive.mHead, tail - sReceive.mHead);
// Set mHead to the local tail we have cached
sReceive.mHead = tail;
}
}
static void processReceive(void)
{
if (sUsbState.mReceiveDone)
{
if (sUsbState.mReceivedDataSize != 0)
{
otPlatUartReceived((const uint8_t *)sRxBuffer, sUsbState.mReceivedDataSize);
sUsbState.mReceivedDataSize = 0;
}
// Setup next transfer.
if (app_usbd_cdc_acm_read_any(&sAppCdcAcm, sRxBuffer, sizeof(sRxBuffer)) == NRF_SUCCESS)
{
sUsbState.mReceiveDone = false;
}
}
}
