static void send_packet(handler_arg_t arg)
{
// Set IDLE
phy_idle(platform_phy);
// Prepare the packet and place
phy_prepare_packet(&tx_packet);
// Create a payload
tx_packet.length = snprintf((char*) tx_packet.data, PHY_MAX_TX_LENGTH,
"Packet from %02x:%02x:%02x, count=%u", uid->uid8[9], uid->uid8[10],
uid->uid8[11], tx_count);
// Perform a CCA
int32_t cca;
phy_cca(platform_phy, &cca);
if (cca)
{
// Channel is clear
// Send
phy_tx_now(platform_phy, &tx_packet, tx_done);
printf("Sending Packet, count=%u\n", tx_count);
// Increment counter
tx_count++;
}
else
{
printf("TX aborted, channel is busy\n");
enter_rx(NULL);
}
}
/*judge whether the channel is idle */
static bool_t channel_is_idle(void)
{
return phy_cca();
}
