void recv_payload(void) {
uint8_t idx = 0;
// get target address
tx_addr[0] = uart_rb_rx();
tx_addr[1] = uart_rb_rx();
tx_addr[2] = uart_rb_rx();
printf("%c%c%c", tx_addr[0], tx_addr[1], tx_addr[2]);
// get a full payload's worth of characters
idx = 0;
while (idx < COM_PL_SIZE) {
txbuf[idx++] = uart_rb_rx();
}
// send payload, wait until done
idx = nrf_transmit_packet(tx_addr, txbuf);
// print result
if (idx) {
uart_rb_tx('.');
} else {
uart_rb_tx('X');
}
// happy blinky lights
dbg_set(txbuf[0]);
return;
}
int main(void)
{
ADCON1 = 0x0F;
CMCON = 0x07;
TRISA = 0x00;
PORTA = 0x00;
interrupt_initialize();
timer_initialize();
nrf_initialize(nrf_transmit_mode, nrf_channel_0, CAFE_ADDRESS | NODE_ID);
nrf_packet_t packet;
uint8_t differ = 0x00;
PORTA = 0x00;
while(1)
{
#if CONSTANT_TRANSMIT
#if SEND_TO_APP
packet.address = CAFE_ADDRESS | HUB_ID;
packet.payload_length = 18;
packet.payload[0] = 0x05; // Branch
packet.payload[1] = (NODE_ID >> 8); // Source ID
packet.payload[2] = (NODE_ID & 0xFF);
packet.payload[3] = (HUB_ID >> 8); // Destination ID
packet.payload[4] = (HUB_ID & 0xFF);
packet.payload[5] = 0x00; // Source App
packet.payload[6] = 0x00;
packet.payload[7] = 0x80; // Destination App
packet.payload[8] = 0x41;
packet.payload[9] = 0x07; // Command
packet.payload[10] = 0x00; // Sub-Command
packet.payload[11] = 0x06; // Payload Length
packet.payload[12] = 0xba; // Payload
packet.payload[13] = 0xba;
packet.payload[14] = 0xde;
packet.payload[15] = 0xca;
packet.payload[16] = 0xfe;
packet.payload[17] = differ++;
nrf_set_mode(nrf_transmit_mode, true);
nrf_flush_fifo(true);
nrf_transmit_packet(packet, false);
while(!(nrf_read_register(NRF_REG_FIFO_STATUS) & 0x10));
PORTA ^= 0x01;
timer_delay_ms(1000);
#endif
#if SEND_TO_HUB_APP
packet.address = CAFE_ADDRESS | HUB_ID;
packet.payload_length = 12;
packet.payload[0] = 0x05; // Branch
packet.payload[1] = (NODE_ID >> 8); // Source ID
packet.payload[2] = (NODE_ID & 0xFF);
packet.payload[3] = (HUB_ID >> 8); // Destination ID
packet.payload[4] = (HUB_ID & 0xFF);
packet.payload[5] = 0x00; // Source App
packet.payload[6] = 0x00;
packet.payload[7] = 0x00; // Destination App
packet.payload[8] = 0x00;
packet.payload[9] = 0x04; // Command
packet.payload[10] = 0x05; // Sub-Command
packet.payload[11] = 0x00; // Payload Length
nrf_set_mode(nrf_transmit_mode, true);
nrf_flush_fifo(true);
nrf_transmit_packet(packet, false);
while(!(nrf_read_register(NRF_REG_FIFO_STATUS) & 0x10));
PORTA ^= 0x02;
timer_delay_ms(1000);
#endif
#if SEND_TO_HUB
packet.address = CAFE_ADDRESS;
packet.payload_length = 13;
packet.payload[0] = 0x05; // Branch
packet.payload[1] = (NODE_ID >> 8); // Source ID
packet.payload[2] = (NODE_ID & 0xFF);
packet.payload[3] = 0x00; // Destination ID
packet.payload[4] = 0x00;
packet.payload[5] = 0x00; // Source App
packet.payload[6] = 0x00;
packet.payload[7] = 0x00; // Destination App
packet.payload[8] = 0x00;
packet.payload[9] = 0x05; // Command
packet.payload[10] = 0x05; // Sub-Command
packet.payload[11] = 0x01; // Payload Length
packet.payload[11] = differ; // Payload
nrf_set_mode(nrf_transmit_mode, true);
nrf_flush_fifo(true);
nrf_transmit_packet(packet, false);
while(!(nrf_read_register(NRF_REG_FIFO_STATUS) & 0x10));
PORTA ^= 0x02;
timer_delay_ms(1000);
#endif
#if SEND_HUB_ID_REQUEST
packet.address = CAFE_ADDRESS | HUB_ID;
packet.payload_length = 13;
packet.payload[0] = 0x05; // Branch
packet.payload[1] = (NODE_ID >> 8); // Source ID
packet.payload[2] = (NODE_ID & 0xFF);
packet.payload[3] = (HUB_ID >> 8); // Destination ID
packet.payload[4] = (HUB_ID & 0xFF);
packet.payload[5] = 0x00; // Source App
packet.payload[6] = 0x00;
packet.payload[7] = 0x00; // Destination App
packet.payload[8] = 0x00;
packet.payload[9] = 0x06; // Command
packet.payload[10] = 0x05; // Sub-Command
packet.payload[11] = 0x01; // Payload Length
packet.payload[12] = 0x01; // Payload
nrf_set_mode(nrf_transmit_mode, true);
nrf_flush_fifo(true);
nrf_transmit_packet(packet, false);
while(!(nrf_read_register(NRF_REG_FIFO_STATUS) & 0x10));
PORTA ^= 0x02;
timer_delay_ms(1000);
#endif
#elif SEND_PACKETS
packet.address = CAFE_ADDRESS | HUB_ID;
packet.payload_length = 18;
packet.payload[0] = 0x05; // Branch
packet.payload[1] = (NODE_ID >> 8); // Source ID
packet.payload[2] = (NODE_ID & 0xFF);
packet.payload[3] = (HUB_ID >> 8); // Destination ID
packet.payload[4] = (HUB_ID & 0xFF);
packet.payload[5] = 0x00; // Source App
packet.payload[6] = 0x00;
packet.payload[7] = 0x00; // Destination App
packet.payload[8] = 0x02;
packet.payload[9] = 0x01; // Command
packet.payload[10] = 0x00; // Sub-Command
packet.payload[11] = 0x00; // Payload Length
PORTA ^= 0x01;
nrf_set_mode(nrf_transmit_mode, true);
nrf_flush_fifo(true);
nrf_transmit_packet(packet, false);
while(!(nrf_read_register(NRF_REG_FIFO_STATUS) & 0x10));
PORTA ^= 0x01;
nrf_set_mode(nrf_receive_mode, true);
nrf_flush_fifo(false);
uint8_t delay_count = 0;
PORTA ^= 0x02;
while((nrf_read_register(NRF_REG_FIFO_STATUS) & 0x01) && (delay_count < 40))
{
timer_delay_ms(25);
delay_count++;
}
PORTA ^= 0x02;
if(delay_count < 40)
{
if(nrf_read_packet(&packet) != SUCCESS)
delay_count = 40;
else
PORTA ^= 0x04;
}
if(delay_count < 40)
timer_delay_ms(2000);
timer_delay_ms(2000);
#elif RECEIVE_PACKETS
nrf_set_mode(nrf_receive_mode, false);
while(!(nrf_read_register(NRF_REG_FIFO_STATUS) & 0x01))
{
timer_delay_ms(50);
PORTA ^= 0x02;
nrf_read_packet(&packet);
uint16_t temp;
temp = (packet.payload[1] << 8);
temp |= packet.payload[2];
packet.address = CAFE_ADDRESS | temp;
packet.payload_length = 12;
packet.payload[1] = (NODE_ID >> 8);
packet.payload[2] = (NODE_ID & 0xFF);
packet.payload[3] = (temp >> 8);
packet.payload[4] = (temp & 0xFF);
temp = (packet.payload[5] << 8);
temp |= packet.payload[6];
packet.payload[5] = packet.payload[7];
packet.payload[6] = packet.payload[8];
packet.payload[7] = (temp >> 8);
packet.payload[8] = (temp & 0xFF);
packet.payload[9] ^= 0x80;
packet.payload[10] = differ++;
packet.payload[11] = 0x00;
PORTA ^= 0x01;
nrf_set_mode(nrf_transmit_mode, true);
nrf_flush_fifo(true);
nrf_transmit_packet(packet, false);
while(!(nrf_read_register(NRF_REG_FIFO_STATUS) & 0x10));
PORTA ^= 0x01;
nrf_set_mode(nrf_receive_mode, false);
nrf_write_register(NRF_REG_STATUS, 0x20);
}
#endif
}
}
