NRF init changed to most likely default

This commit is contained in:
Pascal Langer
2021-02-11 18:40:29 +01:00
parent b41dccef67
commit d66bf1a5b3
41 changed files with 101 additions and 533 deletions

View File

@@ -24,43 +24,6 @@
//
uint8_t bind_buf_arry[4][10];
// HiSky protocol uses TX id as an address for nRF24L01, and uses frequency hopping sequence
// which does not depend on this id and is passed explicitly in binding sequence. So we are free
// to generate this sequence as we wish. It should be in the range [02..77]
static void __attribute__((unused)) HISKY_calc_fh_channels()
{
uint8_t idx = 0;
uint32_t rnd = MProtocol_id;
while (idx < HISKY_FREQUENCE_NUM)
{
uint8_t i;
uint8_t count_2_26 = 0, count_27_50 = 0, count_51_74 = 0;
rnd = rnd * 0x0019660D + 0x3C6EF35F; // Randomization
// Use least-significant byte. 73 is prime, so channels 76..77 are unused
uint8_t next_ch = ((rnd >> 8) % 73) + 2;
// Keep the distance 2 between the channels - either odd or even
if (((next_ch ^ (uint8_t)rx_tx_addr[3]) & 0x01 )== 0)
continue;
// Check that it's not duplicated and spread uniformly
for (i = 0; i < idx; i++) {
if(hopping_frequency[i] == next_ch)
break;
if(hopping_frequency[i] <= 26)
count_2_26++;
else if (hopping_frequency[i] <= 50)
count_27_50++;
else
count_51_74++;
}
if (i != idx)
continue;
if ( (next_ch <= 26 && count_2_26 < 8) || (next_ch >= 27 && next_ch <= 50 && count_27_50 < 8) || (next_ch >= 51 && count_51_74 < 8) )
hopping_frequency[idx++] = next_ch;//find hopping frequency
}
}
static void __attribute__((unused)) HISKY_build_binding_packet(void)
{
uint8_t i;
@@ -99,19 +62,12 @@ static void __attribute__((unused)) HISKY_RF_init()
{
NRF24L01_Initialize();
NRF24L01_WriteReg(NRF24L01_01_EN_AA, 0x00); // No Auto Acknowledgement
NRF24L01_WriteReg(NRF24L01_02_EN_RXADDR, 0x01); // Enable p0 rx
NRF24L01_WriteReg(NRF24L01_03_SETUP_AW, 0x03); // 5-byte RX/TX address (byte -2)
NRF24L01_WriteReg(NRF24L01_05_RF_CH, 81); // binding packet must be set in channel 81
NRF24L01_WriteRegisterMulti(NRF24L01_0A_RX_ADDR_P0, rx_tx_addr, 5);
NRF24L01_WriteRegisterMulti(NRF24L01_10_TX_ADDR, rx_tx_addr, 5);
NRF24L01_WriteReg(NRF24L01_11_RX_PW_P0, 10); // payload size = 10
if(sub_protocol==HK310)
NRF24L01_SetBitrate(NRF24L01_BR_250K); // 250Kbps
else
NRF24L01_SetBitrate(NRF24L01_BR_1M); // 1Mbps
NRF24L01_SetPower(); // Set power
NRF24L01_SetTxRxMode(TX_EN); // TX mode, 2-bytes CRC, radio on
NRF24L01_SetBitrate(NRF24L01_BR_250K); // 250Kbps
}
// HiSky channel sequence: AILE ELEV THRO RUDD GEAR PITCH, channel data value is from 0 to 1000
@@ -248,7 +204,10 @@ static void __attribute__((unused)) HISKY_initialize_tx_id()
hopping_frequency[i]=hopping_frequency_no++; // Sequential order hop channels...
}
else
HISKY_calc_fh_channels();
calc_fh_channels(HISKY_FREQUENCE_NUM);
// HiSky air protocol uses TX id as an address for nRF24L01, and uses frequency hopping sequence
// which does not depend on this id and is passed explicitly in binding sequence. So we are free
// to generate this sequence as we wish. It should be in the range [02..77]
}
void HISKY_init()