701 lines
25 KiB
C
Executable File
701 lines
25 KiB
C
Executable File
#include "board.h"
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#include "mw.h"
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// Multiwii Serial Protocol 0
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#define MSP_VERSION 0
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#define CAP_PLATFORM_32BIT ((uint32_t)1 << 31)
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#define CAP_DYNBALANCE ((uint32_t)1 << 2)
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#define CAP_FLAPS ((uint32_t)1 << 3)
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#define MSP_IDENT 100 //out message multitype + multiwii version + protocol version + capability variable
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#define MSP_STATUS 101 //out message cycletime & errors_count & sensor present & box activation & current setting number
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#define MSP_RAW_IMU 102 //out message 9 DOF
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#define MSP_SERVO 103 //out message 8 servos
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#define MSP_MOTOR 104 //out message 8 motors
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#define MSP_RC 105 //out message 8 rc chan and more
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#define MSP_RAW_GPS 106 //out message fix, numsat, lat, lon, alt, speed, ground course
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#define MSP_COMP_GPS 107 //out message distance home, direction home
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#define MSP_ATTITUDE 108 //out message 2 angles 1 heading
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#define MSP_ALTITUDE 109 //out message altitude, variometer
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#define MSP_ANALOG 110 //out message vbat, powermetersum, rssi if available on RX
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#define MSP_RC_TUNING 111 //out message rc rate, rc expo, rollpitch rate, yaw rate, dyn throttle PID
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#define MSP_PID 112 //out message P I D coeff (9 are used currently)
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#define MSP_BOX 113 //out message BOX setup (number is dependant of your setup)
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#define MSP_MISC 114 //out message powermeter trig
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#define MSP_MOTOR_PINS 115 //out message which pins are in use for motors & servos, for GUI
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#define MSP_BOXNAMES 116 //out message the aux switch names
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#define MSP_PIDNAMES 117 //out message the PID names
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#define MSP_WP 118 //out message get a WP, WP# is in the payload, returns (WP#, lat, lon, alt, flags) WP#0-home, WP#16-poshold
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#define MSP_BOXIDS 119 //out message get the permanent IDs associated to BOXes
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#define MSP_SERVO_CONF 120 //out message Servo settings
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#define MSP_SET_RAW_RC 200 //in message 8 rc chan
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#define MSP_SET_RAW_GPS 201 //in message fix, numsat, lat, lon, alt, speed
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#define MSP_SET_PID 202 //in message P I D coeff (9 are used currently)
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#define MSP_SET_BOX 203 //in message BOX setup (number is dependant of your setup)
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#define MSP_SET_RC_TUNING 204 //in message rc rate, rc expo, rollpitch rate, yaw rate, dyn throttle PID
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#define MSP_ACC_CALIBRATION 205 //in message no param
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#define MSP_MAG_CALIBRATION 206 //in message no param
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#define MSP_SET_MISC 207 //in message powermeter trig + 8 free for future use
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#define MSP_RESET_CONF 208 //in message no param
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#define MSP_SET_WP 209 //in message sets a given WP (WP#,lat, lon, alt, flags)
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#define MSP_SELECT_SETTING 210 //in message Select Setting Number (0-2)
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#define MSP_SET_HEAD 211 //in message define a new heading hold direction
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#define MSP_SET_SERVO_CONF 212 //in message Servo settings
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#define MSP_SET_MOTOR 214 //in message PropBalance function
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// #define MSP_BIND 240 //in message no param
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#define MSP_EEPROM_WRITE 250 //in message no param
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#define MSP_DEBUGMSG 253 //out message debug string buffer
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#define MSP_DEBUG 254 //out message debug1,debug2,debug3,debug4
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// Additional commands that are not compatible with MultiWii
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#define MSP_UID 160 //out message Unique device ID
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#define MSP_ACC_TRIM 240 //out message get acc angle trim values
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#define MSP_SET_ACC_TRIM 239 //in message set acc angle trim values
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#define MSP_GPSSVINFO 164 //out message get Signal Strength (only U-Blox)
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#define INBUF_SIZE 64
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struct box_t {
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const uint8_t boxIndex; // this is from boxnames enum
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const char *boxName; // GUI-readable box name
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const uint8_t permanentId; //
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} boxes[] = {
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{ BOXARM, "ARM;", 0 },
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{ BOXANGLE, "ANGLE;", 1 },
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{ BOXHORIZON, "HORIZON;", 2 },
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{ BOXBARO, "BARO;", 3 },
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{ BOXVARIO, "VARIO;", 4 },
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{ BOXMAG, "MAG;", 5 },
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{ BOXHEADFREE, "HEADFREE;", 6 },
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{ BOXHEADADJ, "HEADADJ;", 7 },
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{ BOXCAMSTAB, "CAMSTAB;", 8 },
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{ BOXCAMTRIG, "CAMTRIG;", 9 },
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{ BOXGPSHOME, "GPS HOME;", 10 },
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{ BOXGPSHOLD, "GPS HOLD;", 11 },
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{ BOXPASSTHRU, "PASSTHRU;", 12 },
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{ BOXBEEPERON, "BEEPER;", 13 },
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{ BOXLEDMAX, "LEDMAX;", 14 },
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{ BOXLEDLOW, "LEDLOW;", 15 },
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{ BOXLLIGHTS, "LLIGHTS;", 16 },
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{ BOXCALIB, "CALIB;", 17 },
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{ BOXGOV, "GOVERNOR;", 18 },
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{ BOXOSD, "OSD SW;", 19 },
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{ BOXTELEMETRY, "TELEMETRY;", 20 },
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{ CHECKBOXITEMS, NULL, 0xFF }
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};
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// this is calculated at startup based on enabled features.
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static uint8_t availableBoxes[CHECKBOXITEMS];
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// this is the number of filled indexes in above array
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static uint8_t numberBoxItems = 0;
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// from mixer.c
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extern int16_t motor_disarmed[MAX_MOTORS];
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static const char pidnames[] =
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"ROLL;"
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"PITCH;"
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"YAW;"
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"ALT;"
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"Pos;"
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"PosR;"
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"NavR;"
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"LEVEL;"
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"MAG;"
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"VEL;";
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static uint8_t checksum, indRX, inBuf[INBUF_SIZE];
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static uint8_t cmdMSP;
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// signal that we're in cli mode
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uint8_t cliMode = 0;
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void serialize32(uint32_t a)
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{
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static uint8_t t;
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t = a;
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serialWrite(core.mainport, t);
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checksum ^= t;
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t = a >> 8;
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serialWrite(core.mainport, t);
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checksum ^= t;
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t = a >> 16;
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serialWrite(core.mainport, t);
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checksum ^= t;
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t = a >> 24;
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serialWrite(core.mainport, t);
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checksum ^= t;
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}
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void serialize16(int16_t a)
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{
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static uint8_t t;
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t = a;
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serialWrite(core.mainport, t);
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checksum ^= t;
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t = a >> 8 & 0xff;
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serialWrite(core.mainport, t);
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checksum ^= t;
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}
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void serialize8(uint8_t a)
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{
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serialWrite(core.mainport, a);
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checksum ^= a;
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}
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uint8_t read8(void)
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{
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return inBuf[indRX++] & 0xff;
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}
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uint16_t read16(void)
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{
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uint16_t t = read8();
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t += (uint16_t) read8() << 8;
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return t;
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}
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uint32_t read32(void)
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{
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uint32_t t = read16();
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t += (uint32_t) read16() << 16;
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return t;
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}
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void headSerialResponse(uint8_t err, uint8_t s)
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{
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serialize8('$');
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serialize8('M');
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serialize8(err ? '!' : '>');
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checksum = 0; // start calculating a new checksum
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serialize8(s);
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serialize8(cmdMSP);
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}
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void headSerialReply(uint8_t s)
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{
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headSerialResponse(0, s);
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}
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void headSerialError(uint8_t s)
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{
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headSerialResponse(1, s);
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}
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void tailSerialReply(void)
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{
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serialize8(checksum);
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}
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void s_struct(uint8_t *cb, uint8_t siz)
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{
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headSerialReply(siz);
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while (siz--)
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serialize8(*cb++);
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}
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void serializeNames(const char *s)
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{
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const char *c;
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for (c = s; *c; c++)
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serialize8(*c);
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}
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void serializeBoxNamesReply(void)
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{
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int i, idx, j, flag = 1, count = 0, len;
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reset:
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// in first run of the loop, we grab total size of junk to be sent
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// then come back and actually send it
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for (i = 0; i < numberBoxItems; i++) {
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idx = availableBoxes[i];
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len = strlen(boxes[idx].boxName);
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if (flag) {
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count += len;
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} else {
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for (j = 0; j < len; j++)
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serialize8(boxes[idx].boxName[j]);
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}
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}
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if (flag) {
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headSerialReply(count);
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flag = 0;
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goto reset;
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}
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}
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void serialInit(uint32_t baudrate)
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{
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int idx;
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core.mainport = uartOpen(USART1, NULL, baudrate, MODE_RXTX);
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// calculate used boxes based on features and fill availableBoxes[] array
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memset(availableBoxes, 0xFF, sizeof(availableBoxes));
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idx = 0;
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availableBoxes[idx++] = BOXARM;
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if (sensors(SENSOR_ACC)) {
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availableBoxes[idx++] = BOXANGLE;
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availableBoxes[idx++] = BOXHORIZON;
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}
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if (sensors(SENSOR_BARO)) {
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availableBoxes[idx++] = BOXBARO;
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if (feature(FEATURE_VARIO))
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availableBoxes[idx++] = BOXVARIO;
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}
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if (sensors(SENSOR_ACC) || sensors(SENSOR_MAG)) {
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availableBoxes[idx++] = BOXMAG;
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availableBoxes[idx++] = BOXHEADFREE;
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availableBoxes[idx++] = BOXHEADADJ;
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}
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if (feature(FEATURE_SERVO_TILT))
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availableBoxes[idx++] = BOXCAMSTAB;
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if (feature(FEATURE_GPS)) {
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availableBoxes[idx++] = BOXGPSHOME;
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availableBoxes[idx++] = BOXGPSHOLD;
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}
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if (mcfg.mixerConfiguration == MULTITYPE_FLYING_WING || mcfg.mixerConfiguration == MULTITYPE_AIRPLANE)
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availableBoxes[idx++] = BOXPASSTHRU;
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availableBoxes[idx++] = BOXBEEPERON;
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if (feature(FEATURE_INFLIGHT_ACC_CAL))
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availableBoxes[idx++] = BOXCALIB;
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availableBoxes[idx++] = BOXOSD;
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if (feature(FEATURE_TELEMETRY && mcfg.telemetry_switch))
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availableBoxes[idx++] = BOXTELEMETRY;
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numberBoxItems = idx;
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}
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static void evaluateCommand(void)
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{
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uint32_t i, tmp, junk;
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uint8_t wp_no;
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int32_t lat = 0, lon = 0, alt = 0;
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switch (cmdMSP) {
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case MSP_SET_RAW_RC:
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for (i = 0; i < 8; i++)
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rcData[i] = read16();
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headSerialReply(0);
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break;
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case MSP_SET_ACC_TRIM:
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cfg.angleTrim[PITCH] = read16();
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cfg.angleTrim[ROLL] = read16();
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headSerialReply(0);
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break;
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case MSP_SET_RAW_GPS:
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f.GPS_FIX = read8();
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GPS_numSat = read8();
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GPS_coord[LAT] = read32();
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GPS_coord[LON] = read32();
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GPS_altitude = read16();
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GPS_speed = read16();
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GPS_update |= 2; // New data signalisation to GPS functions
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headSerialReply(0);
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break;
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case MSP_SET_PID:
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for (i = 0; i < PIDITEMS; i++) {
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cfg.P8[i] = read8();
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cfg.I8[i] = read8();
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cfg.D8[i] = read8();
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}
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headSerialReply(0);
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break;
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case MSP_SET_BOX:
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for (i = 0; i < numberBoxItems; i++)
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cfg.activate[availableBoxes[i]] = read16();
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headSerialReply(0);
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break;
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case MSP_SET_RC_TUNING:
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cfg.rcRate8 = read8();
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cfg.rcExpo8 = read8();
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cfg.rollPitchRate = read8();
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cfg.yawRate = read8();
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cfg.dynThrPID = read8();
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cfg.thrMid8 = read8();
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cfg.thrExpo8 = read8();
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headSerialReply(0);
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break;
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case MSP_SET_MISC:
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read16(); // powerfailmeter
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mcfg.minthrottle = read16();
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mcfg.maxthrottle = read16();
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mcfg.mincommand = read16();
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cfg.failsafe_throttle = read16();
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read16();
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read32();
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cfg.mag_declination = read16() * 10;
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mcfg.vbatscale = read8(); // actual vbatscale as intended
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mcfg.vbatmincellvoltage = read8(); // vbatlevel_warn1 in MWC2.3 GUI
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mcfg.vbatmaxcellvoltage = read8(); // vbatlevel_warn2 in MWC2.3 GUI
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read8(); // vbatlevel_crit (unused)
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headSerialReply(0);
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break;
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case MSP_SET_MOTOR:
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for (i = 0; i < 8; i++)
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motor_disarmed[i] = read16();
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break;
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case MSP_SELECT_SETTING:
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if (!f.ARMED) {
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mcfg.current_profile = read8();
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if (mcfg.current_profile > 2)
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mcfg.current_profile = 0;
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// this writes new profile index and re-reads it
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writeEEPROM(0, false);
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}
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headSerialReply(0);
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break;
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case MSP_SET_HEAD:
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magHold = read16();
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headSerialReply(0);
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break;
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case MSP_IDENT:
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headSerialReply(7);
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serialize8(VERSION); // multiwii version
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serialize8(mcfg.mixerConfiguration); // type of multicopter
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serialize8(MSP_VERSION); // MultiWii Serial Protocol Version
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serialize32(CAP_PLATFORM_32BIT | CAP_DYNBALANCE | (mcfg.flaps_speed ? CAP_FLAPS : 0)); // "capability"
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break;
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case MSP_STATUS:
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headSerialReply(11);
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serialize16(cycleTime);
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serialize16(i2cGetErrorCounter());
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serialize16(sensors(SENSOR_ACC) | sensors(SENSOR_BARO) << 1 | sensors(SENSOR_MAG) << 2 | sensors(SENSOR_GPS) << 3 | sensors(SENSOR_SONAR) << 4);
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// OK, so you waste all the fucking time to have BOXNAMES and BOXINDEXES etc, and then you go ahead and serialize enabled shit simply by stuffing all
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// the bits in order, instead of setting the enabled bits based on BOXINDEX. WHERE IS THE FUCKING LOGIC IN THIS, FUCKWADS.
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// Serialize the boxes in the order we delivered them, until multiwii retards fix their shit
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junk = 0;
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tmp = f.ANGLE_MODE << BOXANGLE | f.HORIZON_MODE << BOXHORIZON |
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f.BARO_MODE << BOXBARO | f.MAG_MODE << BOXMAG | f.HEADFREE_MODE << BOXHEADFREE | rcOptions[BOXHEADADJ] << BOXHEADADJ |
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rcOptions[BOXCAMSTAB] << BOXCAMSTAB | rcOptions[BOXCAMTRIG] << BOXCAMTRIG |
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f.GPS_HOME_MODE << BOXGPSHOME | f.GPS_HOLD_MODE << BOXGPSHOLD |
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f.PASSTHRU_MODE << BOXPASSTHRU |
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rcOptions[BOXBEEPERON] << BOXBEEPERON |
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rcOptions[BOXLEDMAX] << BOXLEDMAX |
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rcOptions[BOXLLIGHTS] << BOXLLIGHTS |
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rcOptions[BOXVARIO] << BOXVARIO |
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rcOptions[BOXCALIB] << BOXCALIB |
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rcOptions[BOXGOV] << BOXGOV |
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rcOptions[BOXOSD] << BOXOSD |
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rcOptions[BOXTELEMETRY] << BOXTELEMETRY |
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f.ARMED << BOXARM;
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for (i = 0; i < numberBoxItems; i++) {
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int flag = (tmp & (1 << availableBoxes[i]));
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if (flag)
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junk |= 1 << i;
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}
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serialize32(junk);
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serialize8(mcfg.current_profile);
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break;
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case MSP_RAW_IMU:
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headSerialReply(18);
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// Retarded hack until multiwiidorks start using real units for sensor data
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if (acc_1G > 1024) {
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for (i = 0; i < 3; i++)
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serialize16(accSmooth[i] / 8);
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} else {
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for (i = 0; i < 3; i++)
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serialize16(accSmooth[i]);
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}
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for (i = 0; i < 3; i++)
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serialize16(gyroData[i]);
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for (i = 0; i < 3; i++)
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serialize16(magADC[i]);
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break;
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case MSP_SERVO:
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s_struct((uint8_t *)&servo, 16);
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break;
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case MSP_SERVO_CONF:
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headSerialReply(56);
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for (i = 0; i < MAX_SERVOS; i++) {
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serialize16(cfg.servoConf[i].min);
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serialize16(cfg.servoConf[i].max);
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serialize16(cfg.servoConf[i].middle);
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serialize8(cfg.servoConf[i].rate);
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}
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break;
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case MSP_SET_SERVO_CONF:
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headSerialReply(0);
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for (i = 0; i < MAX_SERVOS; i++) {
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cfg.servoConf[i].min = read16();
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cfg.servoConf[i].max = read16();
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cfg.servoConf[i].middle = read16();
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cfg.servoConf[i].rate = read8();
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}
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break;
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case MSP_MOTOR:
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s_struct((uint8_t *)motor, 16);
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break;
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case MSP_RC:
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headSerialReply(16);
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for (i = 0; i < 8; i++)
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serialize16(rcData[i]);
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break;
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case MSP_RAW_GPS:
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headSerialReply(16);
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serialize8(f.GPS_FIX);
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serialize8(GPS_numSat);
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serialize32(GPS_coord[LAT]);
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serialize32(GPS_coord[LON]);
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serialize16(GPS_altitude);
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serialize16(GPS_speed);
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serialize16(GPS_ground_course);
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break;
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case MSP_COMP_GPS:
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headSerialReply(5);
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serialize16(GPS_distanceToHome);
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serialize16(GPS_directionToHome);
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serialize8(GPS_update & 1);
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break;
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case MSP_ATTITUDE:
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headSerialReply(8);
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for (i = 0; i < 2; i++)
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serialize16(angle[i]);
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serialize16(heading);
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serialize16(headFreeModeHold);
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break;
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case MSP_ALTITUDE:
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headSerialReply(6);
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serialize32(EstAlt);
|
|
serialize16(vario);
|
|
break;
|
|
case MSP_ANALOG:
|
|
headSerialReply(5);
|
|
serialize8(vbat);
|
|
serialize16(0); // power meter trash
|
|
serialize16(rssi);
|
|
break;
|
|
case MSP_RC_TUNING:
|
|
headSerialReply(7);
|
|
serialize8(cfg.rcRate8);
|
|
serialize8(cfg.rcExpo8);
|
|
serialize8(cfg.rollPitchRate);
|
|
serialize8(cfg.yawRate);
|
|
serialize8(cfg.dynThrPID);
|
|
serialize8(cfg.thrMid8);
|
|
serialize8(cfg.thrExpo8);
|
|
break;
|
|
case MSP_PID:
|
|
headSerialReply(3 * PIDITEMS);
|
|
for (i = 0; i < PIDITEMS; i++) {
|
|
serialize8(cfg.P8[i]);
|
|
serialize8(cfg.I8[i]);
|
|
serialize8(cfg.D8[i]);
|
|
}
|
|
break;
|
|
case MSP_PIDNAMES:
|
|
headSerialReply(sizeof(pidnames) - 1);
|
|
serializeNames(pidnames);
|
|
break;
|
|
case MSP_BOX:
|
|
headSerialReply(2 * numberBoxItems);
|
|
for (i = 0; i < numberBoxItems; i++)
|
|
serialize16(cfg.activate[availableBoxes[i]]);
|
|
break;
|
|
case MSP_BOXNAMES:
|
|
// headSerialReply(sizeof(boxnames) - 1);
|
|
serializeBoxNamesReply();
|
|
break;
|
|
case MSP_BOXIDS:
|
|
headSerialReply(numberBoxItems);
|
|
for (i = 0; i < numberBoxItems; i++)
|
|
serialize8(availableBoxes[i]);
|
|
break;
|
|
case MSP_MISC:
|
|
headSerialReply(2 * 6 + 4 + 2 + 4);
|
|
serialize16(0); // intPowerTrigger1 (aka useless trash)
|
|
serialize16(mcfg.minthrottle);
|
|
serialize16(mcfg.maxthrottle);
|
|
serialize16(mcfg.mincommand);
|
|
serialize16(cfg.failsafe_throttle);
|
|
serialize16(0); // plog useless shit
|
|
serialize32(0); // plog useless shit
|
|
serialize16(cfg.mag_declination / 10); // TODO check this shit
|
|
serialize8(mcfg.vbatscale);
|
|
serialize8(mcfg.vbatmincellvoltage);
|
|
serialize8(mcfg.vbatmaxcellvoltage);
|
|
serialize8(0);
|
|
break;
|
|
case MSP_MOTOR_PINS:
|
|
headSerialReply(8);
|
|
for (i = 0; i < 8; i++)
|
|
serialize8(i + 1);
|
|
break;
|
|
case MSP_WP:
|
|
wp_no = read8(); // get the wp number
|
|
headSerialReply(18);
|
|
if (wp_no == 0) {
|
|
lat = GPS_home[LAT];
|
|
lon = GPS_home[LON];
|
|
} else if (wp_no == 16) {
|
|
lat = GPS_hold[LAT];
|
|
lon = GPS_hold[LON];
|
|
}
|
|
serialize8(wp_no);
|
|
serialize32(lat);
|
|
serialize32(lon);
|
|
serialize32(AltHold); // altitude (cm) will come here -- temporary implementation to test feature with apps
|
|
serialize16(0); // heading will come here (deg)
|
|
serialize16(0); // time to stay (ms) will come here
|
|
serialize8(0); // nav flag will come here
|
|
break;
|
|
case MSP_SET_WP:
|
|
wp_no = read8(); //get the wp number
|
|
lat = read32();
|
|
lon = read32();
|
|
alt = read32(); // to set altitude (cm)
|
|
read16(); // future: to set heading (deg)
|
|
read16(); // future: to set time to stay (ms)
|
|
read8(); // future: to set nav flag
|
|
if (wp_no == 0) {
|
|
GPS_home[LAT] = lat;
|
|
GPS_home[LON] = lon;
|
|
f.GPS_HOME_MODE = 0; // with this flag, GPS_set_next_wp will be called in the next loop -- OK with SERIAL GPS / OK with I2C GPS
|
|
f.GPS_FIX_HOME = 1;
|
|
if (alt != 0)
|
|
AltHold = alt; // temporary implementation to test feature with apps
|
|
} else if (wp_no == 16) { // OK with SERIAL GPS -- NOK for I2C GPS / needs more code dev in order to inject GPS coord inside I2C GPS
|
|
GPS_hold[LAT] = lat;
|
|
GPS_hold[LON] = lon;
|
|
if (alt != 0)
|
|
AltHold = alt; // temporary implementation to test feature with apps
|
|
nav_mode = NAV_MODE_WP;
|
|
GPS_set_next_wp(&GPS_hold[LAT], &GPS_hold[LON]);
|
|
}
|
|
headSerialReply(0);
|
|
break;
|
|
case MSP_RESET_CONF:
|
|
if (!f.ARMED)
|
|
checkFirstTime(true);
|
|
headSerialReply(0);
|
|
break;
|
|
case MSP_ACC_CALIBRATION:
|
|
if (!f.ARMED)
|
|
calibratingA = CALIBRATING_ACC_CYCLES;
|
|
headSerialReply(0);
|
|
break;
|
|
case MSP_MAG_CALIBRATION:
|
|
if (!f.ARMED)
|
|
f.CALIBRATE_MAG = 1;
|
|
headSerialReply(0);
|
|
break;
|
|
case MSP_EEPROM_WRITE:
|
|
writeEEPROM(0, true);
|
|
headSerialReply(0);
|
|
break;
|
|
case MSP_DEBUG:
|
|
headSerialReply(8);
|
|
// make use of this crap, output some useful QA statistics
|
|
debug[3] = ((hse_value / 1000000) * 1000) + (SystemCoreClock / 1000000); // XX0YY [crystal clock : core clock]
|
|
for (i = 0; i < 4; i++)
|
|
serialize16(debug[i]); // 4 variables are here for general monitoring purpose
|
|
break;
|
|
|
|
// Additional commands that are not compatible with MultiWii
|
|
case MSP_ACC_TRIM:
|
|
headSerialReply(4);
|
|
serialize16(cfg.angleTrim[PITCH]);
|
|
serialize16(cfg.angleTrim[ROLL]);
|
|
break;
|
|
case MSP_UID:
|
|
headSerialReply(12);
|
|
serialize32(U_ID_0);
|
|
serialize32(U_ID_1);
|
|
serialize32(U_ID_2);
|
|
break;
|
|
case MSP_GPSSVINFO:
|
|
headSerialReply(1 + (GPS_numCh * 4));
|
|
serialize8(GPS_numCh);
|
|
for (i = 0; i < GPS_numCh; i++){
|
|
serialize8(GPS_svinfo_chn[i]);
|
|
serialize8(GPS_svinfo_svid[i]);
|
|
serialize8(GPS_svinfo_quality[i]);
|
|
serialize8(GPS_svinfo_cno[i]);
|
|
}
|
|
break;
|
|
default: // we do not know how to handle the (valid) message, indicate error MSP $M!
|
|
headSerialError(0);
|
|
break;
|
|
}
|
|
tailSerialReply();
|
|
}
|
|
|
|
// evaluate all other incoming serial data
|
|
static void evaluateOtherData(uint8_t sr)
|
|
{
|
|
switch (sr) {
|
|
case '#':
|
|
cliProcess();
|
|
break;
|
|
case 'R':
|
|
systemReset(true); // reboot to bootloader
|
|
break;
|
|
}
|
|
}
|
|
|
|
void serialCom(void)
|
|
{
|
|
uint8_t c;
|
|
static uint8_t offset;
|
|
static uint8_t dataSize;
|
|
static enum _serial_state {
|
|
IDLE,
|
|
HEADER_START,
|
|
HEADER_M,
|
|
HEADER_ARROW,
|
|
HEADER_SIZE,
|
|
HEADER_CMD,
|
|
} c_state = IDLE;
|
|
|
|
// in cli mode, all serial stuff goes to here. enter cli mode by sending #
|
|
if (cliMode) {
|
|
cliProcess();
|
|
return;
|
|
}
|
|
|
|
while (serialTotalBytesWaiting(core.mainport)) {
|
|
c = serialRead(core.mainport);
|
|
|
|
if (c_state == IDLE) {
|
|
c_state = (c == '$') ? HEADER_START : IDLE;
|
|
if (c_state == IDLE)
|
|
evaluateOtherData(c); // evaluate all other incoming serial data
|
|
} else if (c_state == HEADER_START) {
|
|
c_state = (c == 'M') ? HEADER_M : IDLE;
|
|
} else if (c_state == HEADER_M) {
|
|
c_state = (c == '<') ? HEADER_ARROW : IDLE;
|
|
} else if (c_state == HEADER_ARROW) {
|
|
if (c > INBUF_SIZE) { // now we are expecting the payload size
|
|
c_state = IDLE;
|
|
continue;
|
|
}
|
|
dataSize = c;
|
|
offset = 0;
|
|
checksum = 0;
|
|
indRX = 0;
|
|
checksum ^= c;
|
|
c_state = HEADER_SIZE; // the command is to follow
|
|
} else if (c_state == HEADER_SIZE) {
|
|
cmdMSP = c;
|
|
checksum ^= c;
|
|
c_state = HEADER_CMD;
|
|
} else if (c_state == HEADER_CMD && offset < dataSize) {
|
|
checksum ^= c;
|
|
inBuf[offset++] = c;
|
|
} else if (c_state == HEADER_CMD && offset >= dataSize) {
|
|
if (checksum == c) { // compare calculated and transferred checksum
|
|
evaluateCommand(); // we got a valid packet, evaluate it
|
|
}
|
|
c_state = IDLE;
|
|
}
|
|
}
|
|
if (!cliMode && feature(FEATURE_TELEMETRY)) { // The first condition should never evaluate to true but I'm putting it here anyway - silpstream
|
|
sendTelemetry();
|
|
}
|
|
}
|