4432-DKDB2 Silicon Laboratories Inc, 4432-DKDB2 Datasheet - Page 49

• Manufacturer Part Number: 4432-DKDB2
• Description: WiFi / 802.11 Modules & Development Tools Single Antenna TRx Testcard Hi band
• Manufacturer: Silicon Laboratories Inc

Specifications of 4432-DKDB2

• Modulation: GFSK
• Operating Voltage: 3.3 V
• Antenna: SMA
• For Use With/related Products: Si4432
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

The foreground loop continuously polls the nIRQ pin of the receiver. If the
nIRQ is active (low), the microcontroller starts a status read. Then reads
out the data packets from the FIFO.
yet
If Button#1 is pressed, the LED1 will blink, and both the synthesizer and
the power amplifier (PA) will be turned on. Then the packet will be built, and
transmitted via the FIFO. Once complete, the power amplifier will be turned
off and the system will return to receive mode.
At this point, the program is tests the packet length prior to a direct packet
validation, blinking LED2 if expected packet data is received.
while (1)
{
switch ( RFPacketReceived(&packet[0],&length) )
{
case RF_NO_PACKET:
if ( PB1_PIN == 0 )
{
}
break;
case RF_PACKET_RECEIVED:
RFIdle();
if ( length == 7 )
while(PB1_PIN == 0);
LED1_PIN = 1;
length = 7;
strcpy(&packet[0],"PAYLOAD");
RFIdle();
RFTransmit(&packet[0],length);
LED1_PIN = 0;
RFIdle();
RFReceive();
{
}
RFReceive();
break;
if ( memcmp(&packet[0], "PAYLOAD", 7) == 0 )
{
}
Rev. 0.4
LED2_PIN = 1;
delay_ms(100);
LED2_PIN = 0;
// CHIP is in RX mode, but no preamble detected
// stay in receiving mode
// check the status packet reception
// On PB1, a packet send is initiated
// wait for release of the button
// blink the LED
// send a packet (64 bytes payload)
// set packet content
// disable receiving
// start packet transmission
// release the LED
// disable transmission
// start continuous receive again
// a packet received
// disable the receiver
// check packet content is valid
// blink LED2 if packet received
// restart continuous receive
SDBC-DK3 UG
49