mirror of
https://github.com/pascallanger/DIY-Multiprotocol-TX-Module.git
synced 2025-02-04 22:48:12 +00:00
100 lines
2.9 KiB
C++
100 lines
2.9 KiB
C++
/*
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This project is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Multiprotocol is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Multiprotocol. If not, see <http://www.gnu.org/licenses/>.
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*/
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/************************/
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/** Convert routines **/
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/************************/
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// Channel value is converted to 8bit values full scale
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uint8_t convert_channel_8b(uint8_t num)
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{
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return (uint8_t) (map(limit_channel_100(num),servo_min_100,servo_max_100,0,255));
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}
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// Channel value is converted to 8bit values to provided values scale
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uint8_t convert_channel_8b_scale(uint8_t num,uint8_t min,uint8_t max)
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{
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return (uint8_t) (map(limit_channel_100(num),servo_min_100,servo_max_100,min,max));
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}
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// Channel value is converted sign + magnitude 8bit values
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uint8_t convert_channel_s8b(uint8_t num)
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{
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uint8_t ch;
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ch = convert_channel_8b(num);
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return (ch < 128 ? 127-ch : ch);
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}
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// Channel value is converted to 10bit values
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uint16_t convert_channel_10b(uint8_t num)
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{
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return (uint16_t) (map(limit_channel_100(num),servo_min_100,servo_max_100,1,1023));
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}
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// Channel value is multiplied by 1.5
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uint16_t convert_channel_frsky(uint8_t num)
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{
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return Servo_data[num] + Servo_data[num]/2;
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}
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// Channel value is converted for HK310
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void convert_channel_HK310(uint8_t num, uint8_t *low, uint8_t *high)
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{
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uint16_t temp=0xFFFF-(4*Servo_data[num])/3;
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*low=(uint8_t)(temp&0xFF);
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*high=(uint8_t)(temp>>8);
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}
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// Channel value is converted to 10bit values
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uint16_t convert_channel_16b(uint8_t num, int16_t out_min, int16_t out_max)
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{
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return (uint16_t) (map(limit_channel_100(num),servo_min_100,servo_max_100,out_min,out_max));
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}
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// Channel value is limited to PPM_100
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uint16_t limit_channel_100(uint8_t ch)
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{
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if(Servo_data[ch]>servo_max_100)
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return servo_max_100;
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else
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if (Servo_data[ch]<servo_min_100)
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return servo_min_100;
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return Servo_data[ch];
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}
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/******************************/
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/** FrSky D and X routines **/
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/******************************/
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#if defined(FRSKYD_CC2500_INO) || defined(FRSKYX_CC2500_INO)
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void Frsky_init_hop(void)
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{
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uint8_t val;
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uint8_t channel = rx_tx_addr[0]&0x07;
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uint8_t channel_spacing = rx_tx_addr[1];
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//Filter bad tables
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if(channel_spacing<0x02) channel_spacing+=0x02;
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if(channel_spacing>0xE9) channel_spacing-=0xE7;
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if(channel_spacing%0x2F==0) channel_spacing++;
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hopping_frequency[0]=channel;
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for(uint8_t i=1;i<50;i++)
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{
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channel=(channel+channel_spacing) % 0xEB;
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val=channel;
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if((val==0x00) || (val==0x5A) || (val==0xDC))
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val++;
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hopping_frequency[i]=i>46?0:val;
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}
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}
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#endif
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