// LegacyESCPackets.c was generated by ProtoGen version 3.2.a /* * This file 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. * * This file 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 this program. If not, see . * * Author: Oliver Walters */ #include "LegacyESCPackets.h" #include "fielddecode.h" #include "fieldencode.h" #include "scaleddecode.h" #include "scaledencode.h" /*! * \brief Create the ESC_LegacyStatusA packet * * Legacy (gen-1) definition for the STATUS_A packet * \param _pg_pkt points to the packet which will be created by this function * \param mode is ESC operating mode. The lower four bits indicate the operational mode of the ESC, in accordance with the ESCOperatingModes enumeration. The upper 3 bits are used for debugging and should be ignored for general use. * \param status is ESC status bits * \param warnings is ESC warning bits * \param errors is ESC *error* bits * \param command is ESC operational command - value depends on 'mode' available in this packet. If the ESC is disabled, data reads 0x0000. If the ESC is in open-loop PWM mode, this value is the PWM command in units of 1us, in the range 1000us to 2000us. If the ESC is in closed-loop RPM mode, this value is the RPM command in units of 1RPM * \param rpm is Motor speed */ void encodeESC_LegacyStatusAPacket(void* _pg_pkt, uint8_t mode, const ESC_LegacyStatusBits_t* status, const ESC_LegacyWarningBits_t* warnings, const ESC_LegacyErrorBits_t* errors, uint16_t command, uint16_t rpm) { uint8_t* _pg_data = getESCVelocityPacketData(_pg_pkt); int _pg_byteindex = 0; // Set to 0 to indicate a Gen-2 ESC _pg_data[_pg_byteindex] = 0; // ESC operating mode. The lower four bits indicate the operational mode of the ESC, in accordance with the ESCOperatingModes enumeration. The upper 3 bits are used for debugging and should be ignored for general use. // Range of mode is 0 to 127. _pg_data[_pg_byteindex] |= (uint8_t)limitMax(mode, 127); _pg_byteindex += 1; // close bit field // ESC status bits encodeESC_LegacyStatusBits_t(_pg_data, &_pg_byteindex, status); // ESC warning bits encodeESC_LegacyWarningBits_t(_pg_data, &_pg_byteindex, warnings); // ESC *error* bits encodeESC_LegacyErrorBits_t(_pg_data, &_pg_byteindex, errors); // ESC operational command - value depends on 'mode' available in this packet. If the ESC is disabled, data reads 0x0000. If the ESC is in open-loop PWM mode, this value is the PWM command in units of 1us, in the range 1000us to 2000us. If the ESC is in closed-loop RPM mode, this value is the RPM command in units of 1RPM // Range of command is 0 to 65535. uint16ToBeBytes(command, _pg_data, &_pg_byteindex); // Motor speed // Range of rpm is 0 to 65535. uint16ToBeBytes(rpm, _pg_data, &_pg_byteindex); // complete the process of creating the packet finishESCVelocityPacket(_pg_pkt, _pg_byteindex, getESC_LegacyStatusAPacketID()); }// encodeESC_LegacyStatusAPacket /*! * \brief Decode the ESC_LegacyStatusA packet * * Legacy (gen-1) definition for the STATUS_A packet * \param _pg_pkt points to the packet being decoded by this function * \param mode receives ESC operating mode. The lower four bits indicate the operational mode of the ESC, in accordance with the ESCOperatingModes enumeration. The upper 3 bits are used for debugging and should be ignored for general use. * \param status receives ESC status bits * \param warnings receives ESC warning bits * \param errors receives ESC *error* bits * \param command receives ESC operational command - value depends on 'mode' available in this packet. If the ESC is disabled, data reads 0x0000. If the ESC is in open-loop PWM mode, this value is the PWM command in units of 1us, in the range 1000us to 2000us. If the ESC is in closed-loop RPM mode, this value is the RPM command in units of 1RPM * \param rpm receives Motor speed * \return 0 is returned if the packet ID or size is wrong, else 1 */ int decodeESC_LegacyStatusAPacket(const void* _pg_pkt, uint8_t* mode, ESC_LegacyStatusBits_t* status, ESC_LegacyWarningBits_t* warnings, ESC_LegacyErrorBits_t* errors, uint16_t* command, uint16_t* rpm) { unsigned int _pg_tempbitfield = 0; int _pg_byteindex = 0; const uint8_t* _pg_data = getESCVelocityPacketDataConst(_pg_pkt); int _pg_numbytes = getESCVelocityPacketSize(_pg_pkt); // Verify the packet identifier if(getESCVelocityPacketID(_pg_pkt) != getESC_LegacyStatusAPacketID()) return 0; if(_pg_numbytes < getESC_LegacyStatusAMinDataLength()) return 0; // Set to 0 to indicate a Gen-2 ESC _pg_tempbitfield = (_pg_data[_pg_byteindex] >> 7); // Decoded value must be 0 if(_pg_tempbitfield != 0) return 0; // ESC operating mode. The lower four bits indicate the operational mode of the ESC, in accordance with the ESCOperatingModes enumeration. The upper 3 bits are used for debugging and should be ignored for general use. // Range of mode is 0 to 127. (*mode) = ((_pg_data[_pg_byteindex]) & 0x7F); _pg_byteindex += 1; // close bit field // ESC status bits if(decodeESC_LegacyStatusBits_t(_pg_data, &_pg_byteindex, status) == 0) return 0; // ESC warning bits if(decodeESC_LegacyWarningBits_t(_pg_data, &_pg_byteindex, warnings) == 0) return 0; // ESC *error* bits if(decodeESC_LegacyErrorBits_t(_pg_data, &_pg_byteindex, errors) == 0) return 0; // ESC operational command - value depends on 'mode' available in this packet. If the ESC is disabled, data reads 0x0000. If the ESC is in open-loop PWM mode, this value is the PWM command in units of 1us, in the range 1000us to 2000us. If the ESC is in closed-loop RPM mode, this value is the RPM command in units of 1RPM // Range of command is 0 to 65535. (*command) = uint16FromBeBytes(_pg_data, &_pg_byteindex); // Motor speed // Range of rpm is 0 to 65535. (*rpm) = uint16FromBeBytes(_pg_data, &_pg_byteindex); return 1; }// decodeESC_LegacyStatusAPacket // end of LegacyESCPackets.c