static void transportRxCallback(void)
{
// Called for each message received by radio, from interrupt context.
// This function _must_ call RF24_readMessage() to de-assert interrupt line!
if (!transportRxQueue.full()) {
transportQueuedMessage* msg = transportRxQueue.getFront();
msg->m_len = RF24_readMessage(msg->m_data); // Read payload & clear RX_DR
(void)transportRxQueue.pushFront(msg);
} else {
// Queue is full. Discard message.
(void)RF24_readMessage(NULL); // Read payload & clear RX_DR
// Keep track of messages lost. Max 255, prevent wrapping.
if (transportLostMessageCount < 255) {
++transportLostMessageCount;
}
}
}
uint8_t transportReceive(void* data) {
uint8_t len = RF24_readMessage(data);
#if defined(MY_RF24_ENABLE_ENCRYPTION)
// has to be adjusted, WIP!
_aes.set_IV(0);
// decrypt data
_aes.cbc_decrypt((byte*)(data), (byte*)(data), len>16?2:1);
#endif
return len;
}
uint8_t transportReceive(void *data)
{
uint8_t len = 0;
#if defined(MY_RX_MESSAGE_BUFFER_FEATURE)
transportQueuedMessage* msg = transportRxQueue.getBack();
if (msg) {
len = msg->m_len;
(void)memcpy(data, msg->m_data, len);
(void)transportRxQueue.popBack();
}
#else
len = RF24_readMessage(data);
#endif
#if defined(MY_RF24_ENABLE_ENCRYPTION)
// has to be adjusted, WIP!
RF24_aes.set_IV(0);
// decrypt data
if (RF24_aes.cbc_decrypt((uint8_t *)data, (uint8_t *)data, len > 16 ? 2 : 1) != AES_SUCCESS) {
len = 0;
}
#endif
return len;
}
