static void
vnRFtaskRxTx (void *parameter)
{
u_int32_t crc; //, t;
u_int8_t status;
// portTickType last_ticks = 0, jam_ticks = 0;
if (!PtInitNRF ())
return;
for (;;)
{
status = nRFAPI_GetFifoStatus ();
/* check for received packets */
if ((status & FIFO_RX_FULL) || nRFCMD_WaitRx (0))
{
vLedSetGreen (0);
do
{
/* read packet from nRF chip */
nRFCMD_RegReadBuf (RD_RX_PLOAD, (unsigned char *) &rfpkg,
sizeof (rfpkg));
/* adjust byte order and decode */
shuffle_tx_byteorder ((unsigned long *) &rfpkg,
sizeof (rfpkg) / sizeof (long));
xxtea_decode ((long *) &rfpkg, sizeof (rfpkg) / sizeof (long));
shuffle_tx_byteorder ((unsigned long *) &rfpkg,
sizeof (rfpkg) / sizeof (long));
/* verify the crc checksum */
crc =
crc32 ((unsigned char *) &rfpkg,
sizeof (rfpkg) - sizeof (rfpkg.crc));
if ((crc == PtSwapLong (rfpkg.crc)) &&
(rfpkg.wmcu_id == env.e.mcu_id) &&
(rfpkg.cmd & RF_PKG_SENT_BY_DIMMER))
{
// Sende Daten an die Zwischenschicht, um zu sehen ob was empfangen wird
memset(packet,0,100);
sprintf((portCHAR*)(packet+sizeof(struct packet_header) + 3), "Hallo ich höre!");
u_int8_t length = strlen( (portCHAR*)(packet+sizeof(struct packet_header) + 3) ) + 3 + 1;
usb_send_buffer_zero_copy(packet, length+sizeof(struct packet_header), NULL, NULL, portMAX_DELAY);
rf_rec++;
}
}
while ((nRFAPI_GetFifoStatus () & FIFO_RX_EMPTY) == 0);
vLedSetGreen (1);
}
vTaskDelay (5 / portTICK_RATE_MS);
/* did I already mention the paranoid world thing? */
nRFAPI_ClearIRQ (MASK_IRQ_FLAGS);
}
}
static void
authentication_task (void *parameter)
{
TBouncerEnvelope Bouncer;
(void) parameter;
memset (&authentication_state, 0, sizeof (authentication_state));
authentication_state.state = AUTHENTICATION_IDLE;
while(1) {
if (nRFCMD_WaitRx (10)) {
do {
vLedSetRed (1);
// read packet from nRF chip
nRFCMD_RegReadBuf (RD_RX_PLOAD, (unsigned char *) &Bouncer, sizeof (Bouncer));
process_message(&Bouncer);
vLedSetRed (0);
} while ((nRFAPI_GetFifoStatus () & FIFO_RX_EMPTY) == 0);
nRFAPI_GetFifoStatus();
}
nRFAPI_ClearIRQ (MASK_IRQ_FLAGS);
}
}
void
nRFCMD_RegisterDump (void)
{
uint8_t t, size, reg, buf[32];
reg = 0;
debug_printf ("\nnRFCMD_RegisterDump:\n");
while (((size = nRFCMD_GetRegSize (reg)) > 0) && (reg < 0xFF))
{
nRFCMD_RegReadBuf (reg, buf, size);
debug_printf ("\treg[0x%02X]:", reg);
for (t = 0; t < size; t++)
debug_printf (" 0x%02X", buf[t]);
debug_printf ("\n");
reg++;
}
debug_printf ("\n");
}
unsigned char nRFAPI_RX(unsigned char *buf,unsigned char count)
{
unsigned char size,pipe;
pipe=nRFAPI_GetPipeCurrent();
if(pipe>=7)
size=0;
else
{
size=nRFAPI_GetPipeSizeRX(pipe);
if(size<=count)
nRFCMD_RegReadBuf(RD_RX_PLOAD,buf,size);
else
{
nRFAPI_FlushRX();
size=0;
}
}
return size;
}
uint8_t
nRFAPI_RX (uint8_t * buf, uint8_t count)
{
uint8_t size, pipe;
pipe = nRFAPI_GetPipeCurrent ();
if (pipe >= 7)
size = 0;
else
{
size = nRFAPI_GetPipeSizeRX (pipe);
if (size <= count)
nRFCMD_RegReadBuf (RD_RX_PLOAD, buf, size);
else
{
nRFAPI_FlushRX ();
size = 0;
}
}
return size;
}
void nRFAPI_GetTxMAC(unsigned char *addr,unsigned char addr_size)
{
if(addr_size>=3 && addr_size<=5)
nRFCMD_RegReadBuf(TX_ADDR,addr,addr_size);
}
void
nRFAPI_GetTxMAC (uint8_t * addr, uint8_t addr_size)
{
if (addr_size >= 3 && addr_size <= 5)
nRFCMD_RegReadBuf (TX_ADDR, addr, addr_size);
}
static void
vnRFtaskRxTx (void *parameter)
{
u_int32_t crc, t;
u_int8_t status;
portTickType last_ticks = 0, jam_ticks = 0;
if (!PtInitNRF ())
return;
for (;;)
{
/* check if TX strength changed */
if (nrf_powerlevel_current != nrf_powerlevel_last)
{
nRFAPI_SetTxPower (nrf_powerlevel_current);
nrf_powerlevel_last = nrf_powerlevel_current;
}
status = nRFAPI_GetFifoStatus ();
/* living in a paranoid world ;-) */
if (status & FIFO_TX_FULL)
nRFAPI_FlushTX ();
/* check for received packets */
if ((status & FIFO_RX_FULL) || nRFCMD_WaitRx (0))
{
vLedSetGreen (0);
do
{
/* read packet from nRF chip */
nRFCMD_RegReadBuf (RD_RX_PLOAD, (unsigned char *) &rfpkg,
sizeof (rfpkg));
/* adjust byte order and decode */
shuffle_tx_byteorder ((unsigned long *) &rfpkg,
sizeof (rfpkg) / sizeof (long));
xxtea_decode ((long *) &rfpkg, sizeof (rfpkg) / sizeof (long));
shuffle_tx_byteorder ((unsigned long *) &rfpkg,
sizeof (rfpkg) / sizeof (long));
/* verify the crc checksum */
crc =
crc32 ((unsigned char *) &rfpkg,
sizeof (rfpkg) - sizeof (rfpkg.crc));
if ((crc == PtSwapLong (rfpkg.crc)) &&
(rfpkg.wmcu_id == env.e.mcu_id) &&
(rfpkg.cmd & RF_PKG_SENT_BY_DIMMER))
{
//debug_printf("dumping received packet:\n");
//hex_dump((unsigned char *) &rfpkg, 0, sizeof(rfpkg));
b_parse_rfrx_pkg (&rfpkg);
rf_rec++;
}
}
while ((nRFAPI_GetFifoStatus () & FIFO_RX_EMPTY) == 0);
vLedSetGreen (1);
}
/* transmit current lamp value */
if (env.e.mcu_id && ((xTaskGetTickCount () - last_ticks) > jam_ticks))
{
memset (&rfpkg, 0, sizeof (rfpkg));
rfpkg.cmd = RF_CMD_SET_VALUES;
rfpkg.wmcu_id = env.e.mcu_id;
rfpkg.mac = 0xffff; /* send to all MACs */
for (t = 0; t < RF_PAYLOAD_SIZE; t++)
rfpkg.payload[t] =
(last_lamp_val[t * 2] & 0xf) |
(last_lamp_val[(t * 2) + 1] << 4);
// random delay to avoid collisions
PtInternalTransmit (&rfpkg);
// prepare next jam transmission
last_ticks = xTaskGetTickCount ();
jam_ticks =
(RndNumber () % (jam_density_ms * 2)) / portTICK_RATE_MS;
}
vTaskDelay (5 / portTICK_RATE_MS);
/* did I already mention the paranoid world thing? */
nRFAPI_ClearIRQ (MASK_IRQ_FLAGS);
}
}