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MT99XX: code optimization

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This commit is contained in:
Pascal Langer 2021-02-01 19:26:34 +01:00
parent 8f5fb5083f
commit 580b996215
2 changed files with 17 additions and 15 deletions
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30
Multiprotocol/MT99xx_nrf24l01.ino
View File

@ -27,9 +27,6 @@
#define MT99XX_INITIAL_WAIT 500
#define MT99XX_PACKET_SIZE 9
#define MT99XX_checksum_offset rf_ch_num
#define MT99XX_channel_offset phase
enum{
// flags going to packet[6] (MT99xx, H7)
FLAG_MT_RATE1 = 0x01, // (H7 & A180 high rate)
@ -118,7 +115,7 @@ static void __attribute__((unused)) MT99XX_send_packet()
packet[4] = rx_tx_addr[0];
packet[5] = rx_tx_addr[1];
packet[6] = rx_tx_addr[2];
packet[7] = MT99XX_checksum_offset; // checksum offset
packet[7] = crc8; // checksum offset
packet[8] = 0xAA; // fixed
}
else
@ -161,7 +158,7 @@ static void __attribute__((unused)) MT99XX_send_packet()
packet[7]=0x01
|GET_FLAG( CH5_SW, FLAG_MT_FLIP )
|GET_FLAG( CH9_SW, FLAG_FY805_HEADLESS ); //HEADLESS
MT99XX_checksum_offset=0;
crc8=0;
break;
case A180:
packet[6] = FLAG_A180_RATE
@ -169,7 +166,7 @@ static void __attribute__((unused)) MT99XX_send_packet()
packet[7] = 0x00;
break;
}
uint8_t result=MT99XX_checksum_offset;
uint8_t result=crc8;
for(uint8_t i=0; i<8; i++)
result += packet[i];
packet[8] = result;
@ -207,7 +204,7 @@ static void __attribute__((unused)) MT99XX_send_packet()
if(sub_protocol==FY805)
NRF24L01_WriteReg(NRF24L01_05_RF_CH, 0x4B); // FY805 always transmits on the same channel
else // MT99 & H7 & YZ & A180
NRF24L01_WriteReg(NRF24L01_05_RF_CH, hopping_frequency[hopping_frequency_no] + MT99XX_channel_offset);
NRF24L01_WriteReg(NRF24L01_05_RF_CH, hopping_frequency[hopping_frequency_no]);
NRF24L01_WriteReg(NRF24L01_07_STATUS, 0x70);
NRF24L01_FlushTx();
@ -269,8 +266,8 @@ static void __attribute__((unused)) MT99XX_initialize_txid()
rx_tx_addr[0] = 0x84;
rx_tx_addr[1] = 0x62;
rx_tx_addr[2] = 0x4A;
//MT99XX_checksum_offset = 0x30
//MT99XX_channel_offset = 0x03;
//crc8 = 0x30
//channel_offset = 0x03;
break;
#endif
default: //MT99 & H7 & A180
@ -281,8 +278,16 @@ static void __attribute__((unused)) MT99XX_initialize_txid()
rx_tx_addr[3] = 0xCC;
rx_tx_addr[4] = 0xCC;
MT99XX_checksum_offset = rx_tx_addr[0] + rx_tx_addr[1] + rx_tx_addr[2];
MT99XX_channel_offset = (((MT99XX_checksum_offset & 0xf0)>>4) + (MT99XX_checksum_offset & 0x0f)) % 8;
crc8 = rx_tx_addr[0] + rx_tx_addr[1] + rx_tx_addr[2];
uint8_t channel_offset = (((crc8 & 0xf0)>>4) + (crc8 & 0x0f)) % 8;
//memcpy(hopping_frequency,"\x02\x48\x0C\x3e\x16\x34\x20\x2A\x2A\x20\x34\x16\x3e\x0c\x48\x02",16); // each channel + channel_offset
for(uint8_t i=0; i<8; i++)
{
hopping_frequency[(i<<1) ]=0x02 + (10*i) +channel_offset;
hopping_frequency[(i<<1)+1]=0x48 - (10*i) +channel_offset;
}
hopping_frequency_no=0;
}
uint16_t MT99XX_callback()
@ -311,9 +316,6 @@ uint16_t initMT99XX(void)
BIND_IN_PROGRESS; // autobind protocol
bind_counter = MT99XX_BIND_COUNT;
memcpy(hopping_frequency,"\x02\x48\x0C\x3e\x16\x34\x20\x2A\x2A\x20\x34\x16\x3e\x0c\x48\x02",16);
hopping_frequency_no=0;
MT99XX_initialize_txid();
MT99XX_init();

2
Multiprotocol/Multiprotocol.h
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@ -19,7 +19,7 @@
#define VERSION_MAJOR 1
#define VERSION_MINOR 3
#define VERSION_REVISION 2
#define VERSION_PATCH_LEVEL 19
#define VERSION_PATCH_LEVEL 20
//******************
// Protocols