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9.8 KiB
Arduino
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2016-09-21 14:28:37 +02:00
/*
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/>.
*/
#ifdef ENABLE_PPM
void InitPPM()
{
for(uint8_t i=0;i<NUM_CHN;i++)
PPM_data[i]=PPM_MAX_100+PPM_MIN_100;
PPM_data[THROTTLE]=PPM_MIN_100*2;
}
#endif
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void InitChannel()
{
for(uint8_t i=0;i<NUM_CHN;i++)
Channel_data[i]=1024;
#ifdef FAILSAFE_THROTTLE_LOW_VAL
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Channel_data[THROTTLE]=(uint16_t)FAILSAFE_THROTTLE_LOW_VAL; //0=-125%, 204=-100%
#else
Channel_data[THROTTLE]=204;
#endif
}
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/************************/
/** Convert routines **/
/************************/
// Convert channel 8b with limit and deadband
uint8_t convert_channel_8b_limit_deadband(uint8_t num,uint8_t min,uint8_t mid, uint8_t max, uint8_t deadband)
{
uint16_t val=limit_channel_100(num); // 204<->1844
uint16_t db_low=CHANNEL_MID-deadband, db_high=CHANNEL_MID+deadband; // 1024+-deadband
int32_t calc;
uint8_t out;
if(val>=db_low && val<=db_high)
return mid;
else if(val<db_low)
{
val-=CHANNEL_MIN_100;
calc=mid-min;
calc*=val;
calc/=(db_low-CHANNEL_MIN_100);
out=calc;
out+=min;
}
else
{
val-=db_high;
calc=max-mid;
calc*=val;
calc/=(CHANNEL_MAX_100-db_high+1);
out=calc;
out+=mid;
if(max>min) out++; else out--;
}
return out;
}
// Reverse a channel and store it
void reverse_channel(uint8_t num)
{
uint16_t val=2048-Channel_data[num];
if(val>=2048) val=2047;
Channel_data[num]=val;
}
// Channel value is converted to ppm 860<->2140 -125%<->+125% and 988<->2012 -100%<->+100%
uint16_t convert_channel_ppm(uint8_t num)
{
uint16_t val=Channel_data[num];
return (((val<<2)+val)>>3)+860; //value range 860<->2140 -125%<->+125%
}
// Channel value 100% is converted to 10bit values 0<->1023
uint16_t convert_channel_10b(uint8_t num)
{
uint16_t val=Channel_data[num];
val=((val<<2)+val)>>3;
if(val<=128) return 0;
if(val>=1152) return 1023;
return val-128;
}
// Channel value 100% is converted to 8bit values 0<->255
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uint8_t convert_channel_8b(uint8_t num)
{
uint16_t val=Channel_data[num];
val=((val<<2)+val)>>5;
if(val<=32) return 0;
if(val>=288) return 255;
return val-32;
}
// Channel value 100% is converted to value scaled
int16_t convert_channel_16b_limit(uint8_t num,int16_t min,int16_t max)
{
int32_t val=limit_channel_100(num); // 204<->1844
val=(val-CHANNEL_MIN_100)*(max-min)/(CHANNEL_MAX_100-CHANNEL_MIN_100)+min;
return (uint16_t)val;
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}
// Channel value -125%<->125% is scaled to 16bit value with no limit
int16_t convert_channel_16b_nolimit(uint8_t num, int16_t min, int16_t max)
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{
int32_t val=Channel_data[num]; // 0<->2047
val=(val-CHANNEL_MIN_100)*(max-min)/(CHANNEL_MAX_100-CHANNEL_MIN_100)+min;
return (uint16_t)val;
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}
// Channel value is converted sign + magnitude 8bit values
uint8_t convert_channel_s8b(uint8_t num)
{
uint8_t ch;
ch = convert_channel_8b(num);
return (ch < 128 ? 127-ch : ch);
}
// Channel value is limited to 100%
uint16_t limit_channel_100(uint8_t num)
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{
if(Channel_data[num]>=CHANNEL_MAX_100)
return CHANNEL_MAX_100;
if (Channel_data[num]<=CHANNEL_MIN_100)
return CHANNEL_MIN_100;
return Channel_data[num];
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}
// Channel value is converted for HK310
void convert_channel_HK310(uint8_t num, uint8_t *low, uint8_t *high)
{
uint16_t temp=0xFFFF-(3440+((Channel_data[num]*5)>>1))/3;
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*low=(uint8_t)(temp&0xFF);
*high=(uint8_t)(temp>>8);
}
#ifdef FAILSAFE_ENABLE
// Failsafe value is converted for HK310
void convert_failsafe_HK310(uint8_t num, uint8_t *low, uint8_t *high)
{
uint16_t temp=0xFFFF-(3440+((Failsafe_data[num]*5)>>1))/3;
*low=(uint8_t)(temp&0xFF);
*high=(uint8_t)(temp>>8);
}
#endif
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// Channel value for FrSky (PPM is multiplied by 1.5)
uint16_t convert_channel_frsky(uint8_t num)
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{
uint16_t val=Channel_data[num];
return ((val*15)>>4)+1290;
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}
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/******************************/
/** FrSky D and X routines **/
/******************************/
#if defined(FRSKYX_CC2500_INO) || defined(FRSKYX_RX_CC2500_INO)
//**CRC**
const uint16_t PROGMEM frskyX_CRC_Short[]={
0x0000, 0x1189, 0x2312, 0x329B, 0x4624, 0x57AD, 0x6536, 0x74BF,
0x8C48, 0x9DC1, 0xAF5A, 0xBED3, 0xCA6C, 0xDBE5, 0xE97E, 0xF8F7 };
static uint16_t __attribute__((unused)) frskyX_CRCTable(uint8_t val)
{
uint16_t word ;
word = pgm_read_word(&frskyX_CRC_Short[val&0x0F]) ;
val /= 16 ;
return word ^ (0x1081 * val) ;
}
uint16_t frskyX_crc_x(uint8_t *data, uint8_t len)
{
uint16_t crc = 0;
for(uint8_t i=0; i < len; i++)
crc = (crc<<8) ^ frskyX_CRCTable((uint8_t)(crc>>8) ^ *data++);
return crc;
}
#endif
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#if defined(FRSKYD_CC2500_INO) || defined(FRSKYX_CC2500_INO)
enum {
FRSKY_BIND = 0,
FRSKY_BIND_DONE = 1000,
FRSKY_DATA1,
FRSKY_DATA2,
FRSKY_DATA3,
FRSKY_DATA4,
FRSKY_DATA5
};
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void Frsky_init_hop(void)
{
uint8_t val;
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uint8_t channel = rx_tx_addr[0]&0x07;
uint8_t channel_spacing = rx_tx_addr[1];
//Filter bad tables
if(channel_spacing<0x02) channel_spacing+=0x02;
if(channel_spacing>0xE9) channel_spacing-=0xE7;
if(channel_spacing%0x2F==0) channel_spacing++;
hopping_frequency[0]=channel;
for(uint8_t i=1;i<50;i++)
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{
channel=(channel+channel_spacing) % 0xEB;
val=channel;
if((val==0x00) || (val==0x5A) || (val==0xDC))
val++;
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hopping_frequency[i]=i>46?0:val;
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}
}
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#endif
/******************************/
/** FrSky V, D and X routines **/
/******************************/
#if defined(FRSKYV_CC2500_INO) || defined(FRSKYD_CC2500_INO) || defined(FRSKYX_CC2500_INO)
const PROGMEM uint8_t FRSKY_common_startreg_cc2500_conf[]= {
CC2500_02_IOCFG0 ,
CC2500_00_IOCFG2 ,
CC2500_17_MCSM1 ,
CC2500_18_MCSM0 ,
CC2500_06_PKTLEN ,
CC2500_07_PKTCTRL1 ,
CC2500_08_PKTCTRL0 ,
CC2500_3E_PATABLE ,
CC2500_0B_FSCTRL1 ,
CC2500_0C_FSCTRL0 , // replaced by option value
CC2500_0D_FREQ2 ,
CC2500_0E_FREQ1 ,
CC2500_0F_FREQ0 ,
CC2500_10_MDMCFG4 ,
CC2500_11_MDMCFG3 ,
CC2500_12_MDMCFG2 ,
CC2500_13_MDMCFG1 ,
CC2500_14_MDMCFG0 ,
CC2500_15_DEVIATN };
#if defined(FRSKYV_CC2500_INO)
const PROGMEM uint8_t FRSKYV_cc2500_conf[]= {
/*02_IOCFG0*/ 0x06 ,
/*00_IOCFG2*/ 0x06 ,
/*17_MCSM1*/ 0x0c ,
/*18_MCSM0*/ 0x18 ,
/*06_PKTLEN*/ 0xff ,
/*07_PKTCTRL1*/ 0x04 ,
/*08_PKTCTRL0*/ 0x05 ,
/*3E_PATABLE*/ 0xfe ,
/*0B_FSCTRL1*/ 0x08 ,
/*0C_FSCTRL0*/ 0x00 ,
/*0D_FREQ2*/ 0x5c ,
/*0E_FREQ1*/ 0x58 ,
/*0F_FREQ0*/ 0x9d ,
/*10_MDMCFG4*/ 0xAA ,
/*11_MDMCFG3*/ 0x10 ,
/*12_MDMCFG2*/ 0x93 ,
/*13_MDMCFG1*/ 0x23 ,
/*14_MDMCFG0*/ 0x7a ,
/*15_DEVIATN*/ 0x41 };
#endif
#if defined(FRSKYD_CC2500_INO)
const PROGMEM uint8_t FRSKYD_cc2500_conf[]= {
/*02_IOCFG0*/ 0x06 ,
/*00_IOCFG2*/ 0x06 ,
/*17_MCSM1*/ 0x0c ,
/*18_MCSM0*/ 0x18 ,
/*06_PKTLEN*/ 0x19 ,
/*07_PKTCTRL1*/ 0x04 ,
/*08_PKTCTRL0*/ 0x05 ,
/*3E_PATABLE*/ 0xff ,
/*0B_FSCTRL1*/ 0x08 ,
/*0C_FSCTRL0*/ 0x00 ,
/*0D_FREQ2*/ 0x5c ,
/*0E_FREQ1*/ 0x76 ,
/*0F_FREQ0*/ 0x27 ,
/*10_MDMCFG4*/ 0xAA ,
/*11_MDMCFG3*/ 0x39 ,
/*12_MDMCFG2*/ 0x11 ,
/*13_MDMCFG1*/ 0x23 ,
/*14_MDMCFG0*/ 0x7a ,
/*15_DEVIATN*/ 0x42 };
#endif
#if defined(FRSKYX_CC2500_INO)
const PROGMEM uint8_t FRSKYX_cc2500_conf[]= {
//FRSKYX
/*02_IOCFG0*/ 0x06 ,
/*00_IOCFG2*/ 0x06 ,
/*17_MCSM1*/ 0x0c ,
/*18_MCSM0*/ 0x18 ,
/*06_PKTLEN*/ 0x1E ,
/*07_PKTCTRL1*/ 0x04 ,
/*08_PKTCTRL0*/ 0x01 ,
/*3E_PATABLE*/ 0xff ,
/*0B_FSCTRL1*/ 0x0A ,
/*0C_FSCTRL0*/ 0x00 ,
/*0D_FREQ2*/ 0x5c ,
/*0E_FREQ1*/ 0x76 ,
/*0F_FREQ0*/ 0x27 ,
/*10_MDMCFG4*/ 0x7B ,
/*11_MDMCFG3*/ 0x61 ,
/*12_MDMCFG2*/ 0x13 ,
/*13_MDMCFG1*/ 0x23 ,
/*14_MDMCFG0*/ 0x7a ,
/*15_DEVIATN*/ 0x51 };
const PROGMEM uint8_t FRSKYXEU_cc2500_conf[]= {
/*02_IOCFG0*/ 0x06 ,
/*00_IOCFG2*/ 0x06 ,
/*17_MCSM1*/ 0x0E ,
/*18_MCSM0*/ 0x18 ,
/*06_PKTLEN*/ 0x23 ,
/*07_PKTCTRL1*/ 0x04 ,
/*08_PKTCTRL0*/ 0x01 ,
/*3E_PATABLE*/ 0xff ,
/*0B_FSCTRL1*/ 0x08 ,
/*0C_FSCTRL0*/ 0x00 ,
/*0D_FREQ2*/ 0x5c ,
/*0E_FREQ1*/ 0x80 ,
/*0F_FREQ0*/ 0x00 ,
/*10_MDMCFG4*/ 0x7B ,
/*11_MDMCFG3*/ 0xF8 ,
/*12_MDMCFG2*/ 0x03 ,
/*13_MDMCFG1*/ 0x23 ,
/*14_MDMCFG0*/ 0x7a ,
/*15_DEVIATN*/ 0x53 };
#endif
const PROGMEM uint8_t FRSKY_common_end_cc2500_conf[][2]= {
{ CC2500_19_FOCCFG, 0x16 },
{ CC2500_1A_BSCFG, 0x6c },
{ CC2500_1B_AGCCTRL2, 0x43 },
{ CC2500_1C_AGCCTRL1, 0x40 },
{ CC2500_1D_AGCCTRL0, 0x91 },
{ CC2500_21_FREND1, 0x56 },
{ CC2500_22_FREND0, 0x10 },
{ CC2500_23_FSCAL3, 0xa9 },
{ CC2500_24_FSCAL2, 0x0A },
{ CC2500_25_FSCAL1, 0x00 },
{ CC2500_26_FSCAL0, 0x11 },
{ CC2500_29_FSTEST, 0x59 },
{ CC2500_2C_TEST2, 0x88 },
{ CC2500_2D_TEST1, 0x31 },
{ CC2500_2E_TEST0, 0x0B },
{ CC2500_03_FIFOTHR, 0x07 },
{ CC2500_09_ADDR, 0x00 } };
void FRSKY_init_cc2500(const uint8_t *ptr)
{
for(uint8_t i=0;i<19;i++)
{
uint8_t reg=pgm_read_byte_near(&FRSKY_common_startreg_cc2500_conf[i]);
uint8_t val=pgm_read_byte_near(&ptr[i]);
if(reg==CC2500_0C_FSCTRL0)
val=option;
CC2500_WriteReg(reg,val);
}
prev_option = option ; // Save option to monitor FSCTRL0 change
for(uint8_t i=0;i<17;i++)
{
uint8_t reg=pgm_read_byte_near(&FRSKY_common_end_cc2500_conf[i][0]);
uint8_t val=pgm_read_byte_near(&FRSKY_common_end_cc2500_conf[i][1]);
CC2500_WriteReg(reg,val);
}
CC2500_SetTxRxMode(TX_EN);
CC2500_SetPower();
CC2500_Strobe(CC2500_SIDLE); // Go to idle...
}
#endif