void
wlan_start(unsigned short usPatchesAvailableAtHost)
{
tSLInformation.NumberOfSentPackets = 0;
tSLInformation.NumberOfReleasedPackets = 0;
tSLInformation.usRxEventOpcode = 0;
tSLInformation.usNumberOfFreeBuffers = 0;
tSLInformation.usSlBufferLength = 0;
tSLInformation.usBufferSize = 0;
tSLInformation.usRxDataPending = 0;
tSLInformation.slTransmitDataError = 0;
tSLInformation.usEventOrDataReceived = 0;
tSLInformation.pucReceivedData = 0;
// Allocate the memory for the RX/TX data transactions
tSLInformation.pucTxCommandBuffer = (unsigned char *)wlan_tx_buffer;
// init spi
SpiOpen(SpiReceiveHandler);
SimpleLink_Init_Start(usPatchesAvailableAtHost);
// Read Buffer's size and finish
hci_command_send(HCI_CMND_READ_BUFFER_SIZE, tSLInformation.pucTxCommandBuffer, 0);
SimpleLinkWaitEvent(HCI_CMND_READ_BUFFER_SIZE, 0);
}
void
wlan_start(unsigned short usPatchesAvailableAtHost)
{
unsigned long ulSpiIRQState;
tSLInformation.NumberOfSentPackets = 0;
tSLInformation.NumberOfReleasedPackets = 0;
tSLInformation.usRxEventOpcode = 0;
tSLInformation.usNumberOfFreeBuffers = 0;
tSLInformation.usSlBufferLength = 0;
tSLInformation.usBufferSize = 0;
tSLInformation.usRxDataPending = 0;
tSLInformation.slTransmitDataError = 0;
tSLInformation.usEventOrDataReceived = 0;
tSLInformation.pucReceivedData = 0;
// Allocate the memory for the RX/TX data transactions
tSLInformation.pucTxCommandBuffer = (unsigned char *)wlan_tx_buffer;
// init spi
SpiOpen(SpiReceiveHandler);
// Check the IRQ line
ulSpiIRQState = tSLInformation.ReadWlanInterruptPin();
// Chip enable: toggle WLAN EN line
tSLInformation.WriteWlanPin( WLAN_ENABLE );
if (ulSpiIRQState)
{
// wait till the IRQ line goes low
while(tSLInformation.ReadWlanInterruptPin() != 0)
{
}
}
else
{
// wait till the IRQ line goes high and than low
while(tSLInformation.ReadWlanInterruptPin() == 0)
{
}
while(tSLInformation.ReadWlanInterruptPin() != 0)
{
}
}
SimpleLink_Init_Start(usPatchesAvailableAtHost);
//PORTD |= (1 << PD7) | (1 << PD6);
//PORTB |= (1 << PB4);
// Read Buffer's size and finish
hci_command_send(HCI_CMND_READ_BUFFER_SIZE, tSLInformation.pucTxCommandBuffer, 0);
SimpleLinkWaitEvent(HCI_CMND_READ_BUFFER_SIZE, 0);
}
