Pascal Langer c9b49483e0 NanoRF
2020-09-07 22:58:37 +02:00

74 lines
2.3 KiB
C++

/*
This project is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Multiprotocol is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Multiprotocol. If not, see <http://www.gnu.org/licenses/>.
*/
#if defined(NANORF_NRF24L01_INO)
#include "iface_nrf24l01.h"
#define NANORF_PACKET_PERIOD 40000
#define NANORF_INITIAL_WAIT 500
#define NANORF_RF_CHANNEL 40
#define NANORF_PAYLOADSIZE 7
static void __attribute__((unused)) NANORF_send_packet()
{
packet[0] = convert_channel_8b(AILERON);
packet[1] = convert_channel_8b(ELEVATOR);
packet[2] = convert_channel_8b(THROTTLE);
packet[3] = convert_channel_8b(RUDDER);
packet[4] = convert_channel_8b(CH5);
packet[5] = convert_channel_8b(CH6);
packet[6] = 0;
for (uint8_t i=0; i < NANORF_PAYLOADSIZE-1; i++)
packet[6] += packet[i];
packet[6] += 0x55;
// clear packet status bits and TX FIFO
NRF24L01_WriteReg(NRF24L01_07_STATUS, 0x70);
NRF24L01_FlushTx();
NRF24L01_WritePayload(packet, NANORF_PAYLOADSIZE);
}
static void __attribute__((unused)) NANORF_init()
{
NRF24L01_Initialize();
NRF24L01_SetTxRxMode(TX_EN);
NRF24L01_WriteRegisterMulti(NRF24L01_10_TX_ADDR , (uint8_t *)"Nano1",5);
NRF24L01_WriteReg(NRF24L01_01_EN_AA, 0x00); // No Auto Acknoledgement
NRF24L01_WriteReg(NRF24L01_02_EN_RXADDR, 0x01); // Enable all data pipes (even though not used?)
NRF24L01_WriteReg(NRF24L01_03_SETUP_AW, 0x03); // 5-byte RX/TX address
NRF24L01_WriteReg(NRF24L01_04_SETUP_RETR, 0x00); // 4mS retransmit t/o, 15 tries (retries w/o AA?)
NRF24L01_WriteReg(NRF24L01_05_RF_CH, NANORF_RF_CHANNEL);
NRF24L01_SetBitrate(NRF24L01_BR_1M);
NRF24L01_SetPower(); // Set tx_power
NRF24L01_WriteReg(NRF24L01_00_CONFIG, _BV(NRF24L01_00_EN_CRC) | _BV(NRF24L01_00_CRCO) | _BV(NRF24L01_00_PWR_UP)); //
}
uint16_t NANORF_callback()
{
NANORF_send_packet();
return NANORF_PACKET_PERIOD;
}
uint16_t initNANORF()
{
BIND_DONE;
NANORF_init();
return NANORF_INITIAL_WAIT;
}
#endif