//------------------------------------------------------------------------------
// void main (void)
//
// DESCRIPTION:
// Startup routine and main loop
//------------------------------------------------------------------------------
int main (void)
{
uint8_t i,length;
uint32_t cnt;
nrk_setup_ports();
nrk_setup_uart (UART_BAUDRATE_115K2);
printf( "Basic TX...\r\n" );
nrk_led_set(0);
nrk_led_set(1);
nrk_led_clr(2);
nrk_led_clr(3);
/*
while(1) {
for(i=0; i<40; i++ )
halWait(10000);
nrk_led_toggle(1);
}
*/
rfRxInfo.pPayload = rx_buf;
rfRxInfo.max_length = RF_MAX_PAYLOAD_SIZE;
nrk_int_enable();
rf_init (&rfRxInfo, 26, 0x2420, 0x1214);
cnt=0;
while(1){
DPDS1 |= 0x3;
DDRG |= 0x1;
PORTG |= 0x1;
DDRE|=0xE0;
PORTE|=0xE0;
rfTxInfo.pPayload=tx_buf;
sprintf( tx_buf, "%lu", cnt);
rfTxInfo.length= strlen(tx_buf) + 1;
rfTxInfo.destAddr = 0x1215;
rfTxInfo.cca = 0;
rfTxInfo.ackRequest = 0;
printf( "Sending\r\n" );
// nrk_gpio_set(NRK_DEBUG_0);
if(rf_tx_packet(&rfTxInfo) != 1)
printf("--- RF_TX ERROR ---\r\n");
// nrk_gpio_clr(NRK_DEBUG_0);
cnt++;
for(i=0; i<10; i++ )
halWait(10000);
nrk_led_toggle(RED_LED);
}
}
int8_t _bmac_tx()
{
uint8_t v,backoff, backoff_count;
uint16_t b;
#ifdef DEBUG
nrk_kprintf( PSTR("_bmac_tx()\r\n"));
#endif
if(cca_active)
{
// Add random time here to stop nodes from synchronizing with eachother
b=_nrk_time_to_ticks(&_bmac_check_period);
b=b/((rand()%10)+1);
//printf( "waiting %d\r\n",b );
nrk_wait_until_ticks(b);
//nrk_wait_ticks(b);
backoff_count=1;
do{
v=_bmac_channel_check();
rf_rx_off();
if(v==1) break;
// Channel is busy
backoff=rand()%(_b_pow(backoff_count));
#ifdef DEBUG
printf( "backoff %d\r\n",backoff );
#endif
// printf( "backoff %d\r\n",backoff );
nrk_wait_until_next_n_periods(backoff);
backoff_count++;
if(backoff_count>6) backoff_count=6; // cap it at 64
b=_nrk_time_to_ticks(&_bmac_check_period);
b=b/((rand()%10)+1);
// printf( "waiting %d\r\n",b );
nrk_wait_until_ticks(b);
// nrk_wait_ticks(b);
} while(v==0);
}
rf_test_mode();
rf_carrier_on();
nrk_wait(_bmac_check_period);
//nrk_wait_until_next_period();
rf_carrier_off();
rf_data_mode();
// send packet
rf_rx_off();
pkt_got_ack=rf_tx_packet (&bmac_rfTxInfo);
rf_rx_off();
tx_data_ready=0;
nrk_event_signal (bmac_tx_pkt_done_signal);
return NRK_OK;
}
//------------------------------------------------------------------------------
// void main (void)
//
// DESCRIPTION:
// Startup routine and main loop
//------------------------------------------------------------------------------
int main (void)
{
uint8_t cnt,i,length;
nrk_setup_ports();
nrk_setup_uart (UART_BAUDRATE_115K2);
printf( "Basic TX...\r\n" );
nrk_led_set(0);
nrk_led_set(1);
nrk_led_clr(2);
nrk_led_clr(3);
/*
while(1) {
for(i=0; i<40; i++ )
halWait(10000);
nrk_led_toggle(1);
}
*/
rfRxInfo.pPayload = rx_buf;
rfRxInfo.max_length = RF_MAX_PAYLOAD_SIZE;
nrk_int_enable();
rf_init (&rfRxInfo, 13, 0x2420, 0x1214);
cnt=0;
while(1){
nrk_led_set(GREEN_LED);
rfTxInfo.pPayload=tx_buf;
sprintf( tx_buf, "This is my string counter %d", cnt);
rfTxInfo.length= strlen(tx_buf) + 1;
rfTxInfo.destAddr = 0x1215;
rfTxInfo.cca = 0;
rfTxInfo.ackRequest = 0;
printf( "Sending\r\n" );
nrk_gpio_set(NRK_DEBUG_0);
if(rf_tx_packet(&rfTxInfo) != 1)
printf("--- RF_TX ERROR ---\r\n");
nrk_gpio_clr(NRK_DEBUG_0);
cnt++;
for(i=0; i<80; i++ )
halWait(10000);
nrk_led_clr(GREEN_LED);
for(i=0; i<20; i++ )
halWait(10000);
}
}
void Task3 ()
{
int8_t v;
uint8_t pckts=0;
printf ("radio stuff Task3 PID=%d\r\n", nrk_get_pid ());
while (slip_started () != 1)
nrk_wait_until_next_period ();
while (1) {
v = slip_rx (slip_rx_buf, MAX_SLIP_BUF);
printf("nanork@ bytesread %d\n",v);
//for (i=0;i<v;i++) printf("<%d>",slip_rx_buf[i]);
//printf("\n");
if (v > HDR_SIZE) {
ack_buf[0] = 'Z';
ack_buf[1] = slip_rx_buf[1];
ack_buf[2] = slip_rx_buf[2];
while(uart_tx_busy==1) nrk_wait_until_next_period();
uart_tx_busy=1;
slip_tx (ack_buf, 3);
uart_tx_busy=0;
rfTxInfo.pPayload = slip_rx_buf;
rfTxInfo.length= v;
rfTxInfo.destAddr = 0xFFFF;
rfTxInfo.cca = 0;
rfTxInfo.ackRequest = 0;
nrk_led_toggle (RED_LED);
pckts++;
PORTG=0x1;
if(rf_tx_packet(&rfTxInfo) != 1) {
printf("--- RF_TX ERROR ---\r\n");
nrk_spin_wait_us(10000);
}
}
}
}
int8_t _bmac_tx()
{
uint8_t v,result, backoff, backoff_count;
uint16_t b;
if(cca_active) {
// Add random time here to stop nodes from synchronizing with eachother
b=_nrk_time_to_ticks(&_bmac_check_period);
b=b/((rand()%10)+1);
//printf( "waiting %d\r\n",b );
nrk_wait_until_ticks(b);
//nrk_wait_ticks(b);
backoff_count=1;
do
{
v=_bmac_channel_check();
rf_rx_off();
if(v==1) break;
// Channel is busy
backoff=rand()%(_b_pow(backoff_count));
// printf( "backoff %d\r\n",backoff );
nrk_wait_until_next_n_periods(backoff);
backoff_count++;
if(backoff_count>6) backoff_count=6; // cap it at 64
b=_nrk_time_to_ticks(&_bmac_check_period);
b=b/((rand()%10)+1);
// printf( "waiting %d\r\n",b );
nrk_wait_until_ticks(b);
// nrk_wait_ticks(b);
}
while(v==0);
}
// Give check_period worth of channel activity
rf_test_mode();
rf_carrier_on();
nrk_wait(_bmac_check_period);
rf_carrier_off();
rf_data_mode();
rf_rx_off();
pkt_got_ack = rf_tx_packet(&bmac_rfTxInfo);
rf_rx_off();
tx_data_ready = 0;
// Should signal user task here that Tx is done
return NRK_OK;
}
//------------------------------------------------------------------------------
// void main (void)
//
// DESCRIPTION:
// Startup routine and main loop
//------------------------------------------------------------------------------
int main (void)
{
uint8_t cnt,i,length;
nrk_setup_ports();
nrk_setup_uart (UART_BAUDRATE_115K2);
printf( "Basic TX...\r\n" );
nrk_led_clr(0);
nrk_led_clr(1);
nrk_led_clr(2);
nrk_led_clr(3);
nrk_gpio_set(NRK_DEBUG_0);
nrk_gpio_set(NRK_DEBUG_1);
rfRxInfo.pPayload = rx_buf;
rfRxInfo.max_length = RF_MAX_PAYLOAD_SIZE;
rf_init (&rfRxInfo, 25, 0x2420, 0x1215);
cnt=0;
while(1)
{
nrk_led_set(1);
rfTxInfo.pPayload=tx_buf;
sprintf( tx_buf, "This is my string counter %d", cnt);
rfTxInfo.length=strlen(&tx_buf);
rfTxInfo.cca=0;
nrk_gpio_set(NRK_DEBUG_0);
printf( "Sending\r\n" );
rf_tx_packet (&rfTxInfo);
nrk_gpio_clr(NRK_DEBUG_0);
cnt++;
for(i=0; i<10; i++ )
halWait(10000);
nrk_led_clr(1);
for(i=0; i<10; i++ )
halWait(10000);
}
}
