Add extracted tools: CitrineOS, OpenOCPP, ShapeShifter

- CitrineOS core extracted (CSMS OCPP 2.0.1)
- OpenOCPP extracted (firmware OCPP 1.6J/2.0.1)
- ShapeShifter library installed (pip install -e)
- ShapeShifter specification extracted
- EVerest extracted

TODO updated with progress
This commit is contained in:
Eric F
2026-06-08 00:38:27 -04:00
parent 468cfeaa50
commit d398a6ced2
7326 changed files with 1177561 additions and 7 deletions

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cmake_minimum_required(VERSION 3.10)
# set the project name
project(yeti_comms VERSION 0.1)
# specify the C++ standard
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED True)
# add the executable
add_library(yeti_comms STATIC)
ev_register_library_target(yeti_comms)
target_sources(yeti_comms
PRIVATE
evSerial.cpp
protobuf/yeti.pb.c
)
target_include_directories(yeti_comms
PUBLIC
"${PROJECT_BINARY_DIR}"
protobuf
)
target_link_libraries(yeti_comms
PUBLIC
date::date-tz
everest::nanopb
PRIVATE
Pal::Sigslot
everest::framework
everest::gpio
)

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// SPDX-License-Identifier: Apache-2.0
// Copyright 2020 - 2023 Pionix GmbH and Contributors to EVerest
#include "evSerial.h"
#include <cerrno>
#include <cstring>
#include <fstream>
#include <iostream>
#include <string>
#include <thread>
#include <fcntl.h>
#include <unistd.h>
#include <date/date.h>
#include <date/tz.h>
#include <everest/3rd_party/nanopb/pb_decode.h>
#include <everest/3rd_party/nanopb/pb_encode.h>
#include <everest/gpio/gpio.hpp>
#include "yeti.pb.h"
evSerial::evSerial() {
fd = 0;
baud = 0;
reset_done_flag = false;
forced_reset = false;
cobsDecodeReset();
}
evSerial::~evSerial() {
if (fd)
close(fd);
}
bool evSerial::openDevice(const char* device, int _baud) {
fd = open(device, O_RDWR | O_NOCTTY | O_SYNC);
if (fd < 0) {
printf("Serial: error %d opening %s: %s\n", errno, device, strerror(errno));
return false;
} // else printf ("Serial: opened %s as %i\n", device, fd);
cobsDecodeReset();
switch (_baud) {
case 9600:
baud = B9600;
break;
case 19200:
baud = B19200;
break;
case 38400:
baud = B38400;
break;
case 57600:
baud = B57600;
break;
case 115200:
baud = B115200;
break;
case 230400:
baud = B230400;
break;
default:
baud = 0;
return false;
}
return setSerialAttributes();
}
bool evSerial::setSerialAttributes() {
struct termios tty;
if (tcgetattr(fd, &tty) != 0) {
printf("Serial: error %d from tcgetattr\n", errno);
return false;
}
cfsetospeed(&tty, baud);
cfsetispeed(&tty, baud);
tty.c_cflag = (tty.c_cflag & ~CSIZE) | CS8; // 8-bit chars
// disable IGNBRK for mismatched speed tests; otherwise receive break
// as \000 chars
tty.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON | IXOFF | IXANY);
tty.c_lflag = 0; // no signaling chars, no echo,
// no canonical processing
tty.c_oflag = 0; // no remapping, no delays
tty.c_cc[VMIN] = 0; // read blocks
tty.c_cc[VTIME] = 5; // 0.5 seconds read timeout
tty.c_cflag |= (CLOCAL | CREAD); // ignore modem controls,
// enable reading
tty.c_cflag &= ~(PARENB | PARODD); // shut off parity
tty.c_cflag &= ~CSTOPB;
tty.c_cflag &= ~CRTSCTS;
if (tcsetattr(fd, TCSANOW, &tty) != 0) {
printf("Serial: error %d from tcsetattr\n", errno);
return false;
}
// printf ("Success setting tcsetattr\n");
return true;
}
void evSerial::cobsDecodeReset() {
code = 0xff;
block = 0;
decode = msg;
}
uint32_t evSerial::crc32(uint8_t* buf, int len) {
int i, j;
uint32_t b, crc, msk;
i = 0;
crc = 0xFFFFFFFF;
while (i < len) {
b = buf[i];
crc = crc ^ b;
for (j = 7; j >= 0; j--) {
msk = -(crc & 1);
crc = (crc >> 1) ^ (0xEDB88320 & msk);
}
i = i + 1;
}
// printf("%X",crc);
return crc;
}
void evSerial::handlePacket(uint8_t* buf, int len) {
// printf ("packet received len %u\n", len);
// Check CRC32 (last 4 bytes)
// uint32_t crc = calculateCrc(rx_packet_buf, rx_packet_len);
if (crc32(buf, len)) {
printf("CRC mismatch\n");
return;
}
len -= 4;
McuToEverest msg_in;
pb_istream_t istream = pb_istream_from_buffer(buf, len);
if (pb_decode(&istream, McuToEverest_fields, &msg_in))
switch (msg_in.which_payload) {
case McuToEverest_keep_alive_tag:
// printf("Received keep_alive_lo\n");
signalKeepAliveLo(msg_in.payload.keep_alive);
// detect connection timeout if keep_alive packets stop coming...
last_keep_alive_lo_timestamp = date::utc_clock::now();
break;
case McuToEverest_power_meter_tag: {
auto unix_timestamp = std::chrono::seconds(std::time(NULL));
msg_in.payload.power_meter.time_stamp = unix_timestamp.count();
signalPowerMeter(msg_in.payload.power_meter);
} break;
case McuToEverest_cp_state_tag:
signalCPState(msg_in.payload.cp_state);
break;
case McuToEverest_pp_state_tag:
signalPPState(msg_in.payload.pp_state);
break;
case McuToEverest_relais_state_tag:
signalRelaisState(msg_in.payload.relais_state);
break;
case McuToEverest_lock_state_tag:
signalLockState(msg_in.payload.lock_state);
break;
case McuToEverest_error_flags_tag:
signalErrorFlags(msg_in.payload.error_flags);
break;
case McuToEverest_reset_tag:
// printf("Received reset_done\n");
reset_done_flag = true;
if (!forced_reset)
signalSpuriousReset();
break;
}
}
void evSerial::cobsDecode(uint8_t* buf, int len) {
for (int i = 0; i < len; i++)
cobsDecodeByte(buf[i]);
}
void evSerial::cobsDecodeByte(uint8_t byte) {
// check max length
if ((decode - msg == 2048 - 1) && byte != 0x00) {
printf("cobsDecode: Buffer overflow\n");
cobsDecodeReset();
}
if (block) {
// we're currently decoding and should not get a 0
if (byte == 0x00) {
// probably found some garbage -> reset
printf("cobsDecode: Garbage detected\n");
cobsDecodeReset();
return;
}
*decode++ = byte;
} else {
if (code != 0xff) {
*decode++ = 0;
}
block = code = byte;
if (code == 0x00) {
// we're finished, reset everything and commit
if (decode == msg) {
// we received nothing, just a 0x00
printf("cobsDecode: Received nothing\n");
} else {
// set back decode with one, as it gets post-incremented
handlePacket(msg, decode - 1 - msg);
}
cobsDecodeReset();
return; // need to return here, because of block--
}
}
block--;
}
void evSerial::run() {
readThreadHandle = std::thread(&evSerial::readThread, this);
timeoutDetectionThreadHandle = std::thread(&evSerial::timeoutDetectionThread, this);
}
void evSerial::timeoutDetectionThread() {
while (true) {
sleep(1);
if (timeoutDetectionThreadHandle.shouldExit())
break;
if (serial_timed_out())
signalConnectionTimeout();
}
}
void evSerial::readThread() {
uint8_t buf[2048];
int n;
cobsDecodeReset();
while (true) {
if (readThreadHandle.shouldExit())
break;
if (fd > 0) {
n = read(fd, buf, sizeof buf);
cobsDecode(buf, n);
}
}
}
bool evSerial::linkWrite(EverestToMcu* m) {
if (fd <= 0) {
return false;
}
uint8_t tx_packet_buf[1024];
uint8_t encode_buf[1500];
pb_ostream_t ostream = pb_ostream_from_buffer(tx_packet_buf, sizeof(tx_packet_buf) - 4);
bool status = pb_encode(&ostream, EverestToMcu_fields, m);
if (!status) {
// couldn't encode
return false;
}
size_t tx_payload_len = ostream.bytes_written;
// add crc32 (CRC-32/JAMCRC)
uint32_t crc = crc32(tx_packet_buf, tx_payload_len);
for (int byte_pos = 0; byte_pos < 4; ++byte_pos) {
tx_packet_buf[tx_payload_len] = (uint8_t)crc & 0xFF;
crc = crc >> 8;
tx_payload_len++;
}
size_t tx_encode_len = cobsEncode(tx_packet_buf, tx_payload_len, encode_buf);
// std::cout << "Write "<<tx_encode_len<<" bytes to serial port." << std::endl;
write(fd, encode_buf, tx_encode_len);
return true;
}
size_t evSerial::cobsEncode(const void* data, size_t length, uint8_t* buffer) {
uint8_t* encode = buffer; // Encoded byte pointer
uint8_t* codep = encode++; // Output code pointer
uint8_t code = 1; // Code value
for (const uint8_t* byte = (const uint8_t*)data; length--; ++byte) {
if (*byte) // Byte not zero, write it
*encode++ = *byte, ++code;
if (!*byte || code == 0xff) // Input is zero or block completed, restart
{
*codep = code, code = 1, codep = encode;
if (!*byte || length)
++encode;
}
}
*codep = code; // Write final code value
// add final 0
*encode++ = 0x00;
return encode - buffer;
}
bool evSerial::serial_timed_out() {
auto now = date::utc_clock::now();
auto timeSinceLastKeepAlive =
std::chrono::duration_cast<std::chrono::milliseconds>(now - last_keep_alive_lo_timestamp).count();
if (timeSinceLastKeepAlive >= 5000)
return true;
return false;
}
void evSerial::setPWM(uint32_t dc) {
EverestToMcu msg_out = EverestToMcu_init_default;
msg_out.which_payload = EverestToMcu_pwm_duty_cycle_tag;
msg_out.payload.pwm_duty_cycle = dc;
linkWrite(&msg_out);
}
void evSerial::allowPowerOn(bool p) {
EverestToMcu msg_out = EverestToMcu_init_default;
msg_out.which_payload = EverestToMcu_allow_power_on_tag;
msg_out.payload.allow_power_on = p;
linkWrite(&msg_out);
}
void evSerial::forceUnlock() {
EverestToMcu msg_out = EverestToMcu_init_default;
msg_out.which_payload = EverestToMcu_connector_lock_tag;
msg_out.payload.connector_lock = false;
linkWrite(&msg_out);
}
void evSerial::set_number_of_phases(bool p) {
EverestToMcu msg_out = EverestToMcu_init_default;
msg_out.which_payload = EverestToMcu_set_number_of_phases_tag;
msg_out.payload.set_number_of_phases = p;
linkWrite(&msg_out);
}
bool evSerial::reset(const std::string& reset_chip, const int reset_line) {
reset_done_flag = false;
forced_reset = true;
if (not reset_chip.empty()) {
// Try to hardware reset Yeti controller to be in a known state
Everest::Gpio reset_gpio;
reset_gpio.open(reset_chip, reset_line);
reset_gpio.set_output(true);
reset_gpio.set(true);
std::this_thread::sleep_for(std::chrono::milliseconds(10));
reset_gpio.set(false);
std::this_thread::sleep_for(std::chrono::milliseconds(10));
reset_gpio.set(true);
} else {
// Try to soft reset Yeti controller to be in a known state
EverestToMcu msg_out = EverestToMcu_init_default;
msg_out.which_payload = EverestToMcu_reset_tag;
linkWrite(&msg_out);
}
bool success = false;
// Wait for reset done message from uC
for (int i = 0; i < 20; i++) {
if (reset_done_flag) {
success = true;
break;
}
std::this_thread::sleep_for(std::chrono::milliseconds(50));
}
// Reset flag to detect run time spurious resets of uC from now on
reset_done_flag = false;
forced_reset = false;
// send some dummy packets to resync COBS etc.
keepAlive();
keepAlive();
keepAlive();
return success;
}
void evSerial::firmwareUpdate(bool rom) {
EverestToMcu msg_out = EverestToMcu_init_default;
msg_out.which_payload = EverestToMcu_firmware_update_tag;
msg_out.payload.firmware_update.invoke_rom_bootloader = rom;
linkWrite(&msg_out);
}
void evSerial::keepAlive() {
EverestToMcu msg_out = EverestToMcu_init_default;
msg_out.which_payload = EverestToMcu_keep_alive_tag;
msg_out.payload.keep_alive.time_stamp = 0;
msg_out.payload.keep_alive.hw_type = 0;
msg_out.payload.keep_alive.hw_revision = 0;
strcpy(msg_out.payload.keep_alive.sw_version_string, "n/a");
linkWrite(&msg_out);
}

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// SPDX-License-Identifier: Apache-2.0
// Copyright 2020 - 2021 Pionix GmbH and Contributors to EVerest
#ifndef YETI_SERIAL
#define YETI_SERIAL
#include "yeti.pb.h"
#include <date/date.h>
#include <date/tz.h>
#include <sigslot/signal.hpp>
#include <stdint.h>
#include <termios.h>
#include <utils/thread.hpp>
class evSerial {
public:
evSerial();
~evSerial();
bool openDevice(const char* device, int baud);
bool is_open() {
return fd > 0;
};
void readThread();
void run();
bool reset(const std::string& reset_chip, const int reset_line);
void firmwareUpdate(bool rom);
void keepAlive();
void setPWM(uint32_t dc);
void allowPowerOn(bool p);
void forceUnlock();
void set_number_of_phases(bool p);
sigslot::signal<KeepAliveLo> signalKeepAliveLo;
sigslot::signal<PowerMeter> signalPowerMeter;
sigslot::signal<CpState> signalCPState;
sigslot::signal<PpState> signalPPState;
sigslot::signal<ErrorFlags> signalErrorFlags;
sigslot::signal<bool> signalRelaisState;
sigslot::signal<bool> signalLockState;
sigslot::signal<> signalSpuriousReset;
sigslot::signal<> signalConnectionTimeout;
private:
// Serial interface
bool setSerialAttributes();
int fd;
int baud;
// COBS de-/encoder
void cobsDecodeReset();
void handlePacket(uint8_t* buf, int len);
void cobsDecode(uint8_t* buf, int len);
void cobsDecodeByte(uint8_t byte);
size_t cobsEncode(const void* data, size_t length, uint8_t* buffer);
uint8_t msg[2048];
uint8_t code;
uint8_t block;
uint8_t* decode;
uint32_t crc32(uint8_t* buf, int len);
// Read thread for serial port
Everest::Thread readThreadHandle;
Everest::Thread timeoutDetectionThreadHandle;
bool linkWrite(EverestToMcu* m);
volatile bool reset_done_flag;
volatile bool forced_reset;
bool serial_timed_out();
void timeoutDetectionThread();
std::chrono::time_point<date::utc_clock> last_keep_alive_lo_timestamp;
};
#endif

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// SPDX-License-Identifier: Apache-2.0
// Copyright Pionix GmbH and Contributors to EVerest
#ifndef YETI_FIRMWARE_VERSION
#define YETI_FIRMWARE_VERSION
#include <regex>
#include <string>
/*
Helper class to handle yeti Firmware Versions of the following style:
Reported by MCU: 2.0-1-g2d51638
Included in file name: yetiR1_2.0-1_firmware.bin
*/
static std::vector<std::string> split_by_delimeters(const std::string& s, const std::string& delimeters) {
std::regex re("[" + delimeters + "]");
std::sregex_token_iterator first{s.begin(), s.end(), re, -1}, last;
return {first, last};
}
// parse version string from filename
static std::string from_filename(const std::string& v) {
auto tokens = split_by_delimeters(v, "_");
if (tokens.size() >= 2) {
return tokens[1];
}
return "0.0-0";
}
class YetiFirmwareVersion {
public:
YetiFirmwareVersion() {
}
YetiFirmwareVersion(const std::string& _version_string) {
from_string(_version_string);
}
std::string to_string() {
return std::to_string(major) + "." + std::to_string(minor) + "-" + std::to_string(revision);
}
void from_string(const std::string& _version_string) {
std::string version_string;
// Is it a full filename or just a version string from the MCU?
if (_version_string.rfind("yetiR", 0) == 0) {
version_string = from_filename(_version_string);
} else {
version_string = _version_string;
}
auto tokens = split_by_delimeters(version_string, ".-");
// parse into major, minor and revision
if (tokens.size() >= 1) {
try {
major = std::stoi(tokens[0]);
} catch (...) {
// Set to 0 if we cannot parse it
major = 0;
}
}
if (tokens.size() >= 2) {
try {
minor = std::stoi(tokens[1]);
} catch (...) {
// Set to 0 if we cannot parse it
minor = 0;
}
}
if (tokens.size() >= 3) {
try {
revision = std::stoi(tokens[2]);
} catch (...) {
// Set to 0 if we cannot parse it
revision = 0;
}
}
}
YetiFirmwareVersion& operator=(const std::string& s) {
from_string(s);
return *this;
}
friend bool operator<(const YetiFirmwareVersion& l, const YetiFirmwareVersion& r) {
if (l.major < r.major) {
return true;
} else if (l.major > r.major) {
return false;
} else if (l.minor < r.minor) {
return true;
} else if (l.minor > r.minor) {
return false;
} else if (l.revision < r.revision) {
return true;
} else if (l.revision > r.revision) {
return false;
}
// they are identical
return false;
}
friend bool operator>(const YetiFirmwareVersion& lhs, const YetiFirmwareVersion& rhs) {
return rhs < lhs;
}
friend bool operator<=(const YetiFirmwareVersion& lhs, const YetiFirmwareVersion& rhs) {
return not(lhs > rhs);
}
friend bool operator>=(const YetiFirmwareVersion& lhs, const YetiFirmwareVersion& rhs) {
return not(lhs < rhs);
}
private:
int major{0};
int minor{0};
int revision{0};
};
#endif

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#!/bin/sh
nanopb_generator.py -L "#include <everest/3rd_party/nanopb/%s>" -I . -D . yeti.proto

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KeepAlive.sw_version_string max_length:50
KeepAliveLo.sw_version_string max_length:50

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/* Automatically generated nanopb constant definitions */
/* Generated by nanopb-0.4.8 */
#include "yeti.pb.h"
#if PB_PROTO_HEADER_VERSION != 40
#error Regenerate this file with the current version of nanopb generator.
#endif
PB_BIND(EverestToMcu, EverestToMcu, 2)
PB_BIND(McuToEverest, McuToEverest, 2)
PB_BIND(ErrorFlags, ErrorFlags, AUTO)
PB_BIND(KeepAliveLo, KeepAliveLo, AUTO)
PB_BIND(KeepAlive, KeepAlive, AUTO)
PB_BIND(Telemetry, Telemetry, AUTO)
PB_BIND(PowerMeter, PowerMeter, AUTO)
PB_BIND(FirmwareUpdate, FirmwareUpdate, AUTO)

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/* Automatically generated nanopb header */
/* Generated by nanopb-0.4.8 */
#ifndef PB_YETI_PB_H_INCLUDED
#define PB_YETI_PB_H_INCLUDED
#include <everest/3rd_party/nanopb/pb.h>
#if PB_PROTO_HEADER_VERSION != 40
#error Regenerate this file with the current version of nanopb generator.
#endif
/* Enum definitions */
typedef enum _CpState {
CpState_STATE_A = 0,
CpState_STATE_B = 1,
CpState_STATE_C = 2,
CpState_STATE_D = 3,
CpState_STATE_E = 4,
CpState_STATE_F = 5
} CpState;
typedef enum _ResetReason {
ResetReason_USER = 0,
ResetReason_WATCHDOG = 1
} ResetReason;
typedef enum _PpState {
PpState_STATE_NC = 0,
PpState_STATE_13A = 1,
PpState_STATE_20A = 2,
PpState_STATE_32A = 3,
PpState_STATE_70A = 4,
PpState_STATE_FAULT = 5
} PpState;
typedef enum _LockState {
LockState_UNDEFINED = 0,
LockState_UNLOCKED = 1,
LockState_LOCKED = 2
} LockState;
/* Struct definitions */
typedef struct _ErrorFlags {
bool diode_fault;
bool rcd_selftest_failed;
bool rcd_triggered;
bool ventilation_not_available;
bool connector_lock_failed;
bool cp_signal_fault;
bool over_current;
} ErrorFlags;
typedef struct _KeepAliveLo {
uint32_t time_stamp;
uint32_t hw_type;
uint32_t hw_revision;
uint32_t protocol_version_major;
uint32_t protocol_version_minor;
char sw_version_string[51];
float hwcap_max_current;
float hwcap_min_current;
uint32_t hwcap_max_phase_count;
uint32_t hwcap_min_phase_count;
bool supports_changing_phases_during_charging;
} KeepAliveLo;
typedef struct _KeepAlive {
uint32_t time_stamp;
uint32_t hw_type;
uint32_t hw_revision;
char sw_version_string[51];
} KeepAlive;
typedef struct _Telemetry {
uint32_t cp_voltage_hi;
uint32_t cp_voltage_lo;
} Telemetry;
typedef struct _PowerMeter {
uint32_t time_stamp;
float vrmsL1;
float vrmsL2;
float vrmsL3;
float irmsL1;
float irmsL2;
float irmsL3;
float irmsN;
float wattHrL1;
float wattHrL2;
float wattHrL3;
float totalWattHr;
float tempL1;
float tempL2;
float tempL3;
float tempN;
float wattL1;
float wattL2;
float wattL3;
float freqL1;
float freqL2;
float freqL3;
bool phaseSeqError;
} PowerMeter;
/* This container message is send from MCU to EVerest and may contain any allowed message in that direction. */
typedef struct _McuToEverest {
pb_size_t which_payload;
union {
/* Needs to remain the same to allow firmware updates of older versions */
KeepAliveLo keep_alive;
/* Other IDs are 100+ to avoid compatibility issues with older firmware versions */
ResetReason reset;
CpState cp_state;
bool relais_state; /* false: relais are off, true: relais are on */
ErrorFlags error_flags;
Telemetry telemetry;
PpState pp_state;
LockState lock_state;
PowerMeter power_meter;
} payload;
} McuToEverest;
typedef struct _FirmwareUpdate {
bool invoke_rom_bootloader;
} FirmwareUpdate;
/* This container message is send from EVerest to MCU and may contain any allowed message in that direction. */
typedef struct _EverestToMcu {
pb_size_t which_payload;
union {
/* Needs to remain the same to allow firmware updates of older versions */
FirmwareUpdate firmware_update;
/* Other IDs are 100+ to avoid compatibility issues with older firmware versions */
KeepAlive keep_alive;
bool connector_lock; /* false: unlock, true: lock */
uint32_t pwm_duty_cycle; /* in 0.01 %, 0 = State F, 10000 = X1 */
bool allow_power_on;
bool reset;
bool set_number_of_phases;
} payload;
} EverestToMcu;
#ifdef __cplusplus
extern "C" {
#endif
/* Helper constants for enums */
#define _CpState_MIN CpState_STATE_A
#define _CpState_MAX CpState_STATE_F
#define _CpState_ARRAYSIZE ((CpState)(CpState_STATE_F+1))
#define _ResetReason_MIN ResetReason_USER
#define _ResetReason_MAX ResetReason_WATCHDOG
#define _ResetReason_ARRAYSIZE ((ResetReason)(ResetReason_WATCHDOG+1))
#define _PpState_MIN PpState_STATE_NC
#define _PpState_MAX PpState_STATE_FAULT
#define _PpState_ARRAYSIZE ((PpState)(PpState_STATE_FAULT+1))
#define _LockState_MIN LockState_UNDEFINED
#define _LockState_MAX LockState_LOCKED
#define _LockState_ARRAYSIZE ((LockState)(LockState_LOCKED+1))
#define McuToEverest_payload_reset_ENUMTYPE ResetReason
#define McuToEverest_payload_cp_state_ENUMTYPE CpState
#define McuToEverest_payload_pp_state_ENUMTYPE PpState
#define McuToEverest_payload_lock_state_ENUMTYPE LockState
/* Initializer values for message structs */
#define EverestToMcu_init_default {0, {FirmwareUpdate_init_default}}
#define McuToEverest_init_default {0, {KeepAliveLo_init_default}}
#define ErrorFlags_init_default {0, 0, 0, 0, 0, 0, 0}
#define KeepAliveLo_init_default {0, 0, 0, 0, 0, "", 0, 0, 0, 0, 0}
#define KeepAlive_init_default {0, 0, 0, ""}
#define Telemetry_init_default {0, 0}
#define PowerMeter_init_default {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
#define FirmwareUpdate_init_default {0}
#define EverestToMcu_init_zero {0, {FirmwareUpdate_init_zero}}
#define McuToEverest_init_zero {0, {KeepAliveLo_init_zero}}
#define ErrorFlags_init_zero {0, 0, 0, 0, 0, 0, 0}
#define KeepAliveLo_init_zero {0, 0, 0, 0, 0, "", 0, 0, 0, 0, 0}
#define KeepAlive_init_zero {0, 0, 0, ""}
#define Telemetry_init_zero {0, 0}
#define PowerMeter_init_zero {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
#define FirmwareUpdate_init_zero {0}
/* Field tags (for use in manual encoding/decoding) */
#define ErrorFlags_diode_fault_tag 1
#define ErrorFlags_rcd_selftest_failed_tag 2
#define ErrorFlags_rcd_triggered_tag 3
#define ErrorFlags_ventilation_not_available_tag 4
#define ErrorFlags_connector_lock_failed_tag 5
#define ErrorFlags_cp_signal_fault_tag 6
#define ErrorFlags_over_current_tag 7
#define KeepAliveLo_time_stamp_tag 1
#define KeepAliveLo_hw_type_tag 2
#define KeepAliveLo_hw_revision_tag 3
#define KeepAliveLo_protocol_version_major_tag 4
#define KeepAliveLo_protocol_version_minor_tag 5
#define KeepAliveLo_sw_version_string_tag 6
#define KeepAliveLo_hwcap_max_current_tag 7
#define KeepAliveLo_hwcap_min_current_tag 8
#define KeepAliveLo_hwcap_max_phase_count_tag 9
#define KeepAliveLo_hwcap_min_phase_count_tag 10
#define KeepAliveLo_supports_changing_phases_during_charging_tag 11
#define KeepAlive_time_stamp_tag 1
#define KeepAlive_hw_type_tag 2
#define KeepAlive_hw_revision_tag 3
#define KeepAlive_sw_version_string_tag 6
#define Telemetry_cp_voltage_hi_tag 1
#define Telemetry_cp_voltage_lo_tag 2
#define PowerMeter_time_stamp_tag 1
#define PowerMeter_vrmsL1_tag 2
#define PowerMeter_vrmsL2_tag 3
#define PowerMeter_vrmsL3_tag 4
#define PowerMeter_irmsL1_tag 5
#define PowerMeter_irmsL2_tag 6
#define PowerMeter_irmsL3_tag 7
#define PowerMeter_irmsN_tag 8
#define PowerMeter_wattHrL1_tag 9
#define PowerMeter_wattHrL2_tag 10
#define PowerMeter_wattHrL3_tag 11
#define PowerMeter_totalWattHr_tag 12
#define PowerMeter_tempL1_tag 13
#define PowerMeter_tempL2_tag 14
#define PowerMeter_tempL3_tag 15
#define PowerMeter_tempN_tag 16
#define PowerMeter_wattL1_tag 17
#define PowerMeter_wattL2_tag 18
#define PowerMeter_wattL3_tag 19
#define PowerMeter_freqL1_tag 20
#define PowerMeter_freqL2_tag 21
#define PowerMeter_freqL3_tag 22
#define PowerMeter_phaseSeqError_tag 23
#define McuToEverest_keep_alive_tag 3
#define McuToEverest_reset_tag 101
#define McuToEverest_cp_state_tag 102
#define McuToEverest_relais_state_tag 103
#define McuToEverest_error_flags_tag 104
#define McuToEverest_telemetry_tag 105
#define McuToEverest_pp_state_tag 106
#define McuToEverest_lock_state_tag 107
#define McuToEverest_power_meter_tag 108
#define FirmwareUpdate_invoke_rom_bootloader_tag 1
#define EverestToMcu_firmware_update_tag 16
#define EverestToMcu_keep_alive_tag 100
#define EverestToMcu_connector_lock_tag 102
#define EverestToMcu_pwm_duty_cycle_tag 103
#define EverestToMcu_allow_power_on_tag 104
#define EverestToMcu_reset_tag 105
#define EverestToMcu_set_number_of_phases_tag 106
/* Struct field encoding specification for nanopb */
#define EverestToMcu_FIELDLIST(X, a) \
X(a, STATIC, ONEOF, MESSAGE, (payload,firmware_update,payload.firmware_update), 16) \
X(a, STATIC, ONEOF, MESSAGE, (payload,keep_alive,payload.keep_alive), 100) \
X(a, STATIC, ONEOF, BOOL, (payload,connector_lock,payload.connector_lock), 102) \
X(a, STATIC, ONEOF, UINT32, (payload,pwm_duty_cycle,payload.pwm_duty_cycle), 103) \
X(a, STATIC, ONEOF, BOOL, (payload,allow_power_on,payload.allow_power_on), 104) \
X(a, STATIC, ONEOF, BOOL, (payload,reset,payload.reset), 105) \
X(a, STATIC, ONEOF, BOOL, (payload,set_number_of_phases,payload.set_number_of_phases), 106)
#define EverestToMcu_CALLBACK NULL
#define EverestToMcu_DEFAULT NULL
#define EverestToMcu_payload_firmware_update_MSGTYPE FirmwareUpdate
#define EverestToMcu_payload_keep_alive_MSGTYPE KeepAlive
#define McuToEverest_FIELDLIST(X, a) \
X(a, STATIC, ONEOF, MESSAGE, (payload,keep_alive,payload.keep_alive), 3) \
X(a, STATIC, ONEOF, UENUM, (payload,reset,payload.reset), 101) \
X(a, STATIC, ONEOF, UENUM, (payload,cp_state,payload.cp_state), 102) \
X(a, STATIC, ONEOF, BOOL, (payload,relais_state,payload.relais_state), 103) \
X(a, STATIC, ONEOF, MESSAGE, (payload,error_flags,payload.error_flags), 104) \
X(a, STATIC, ONEOF, MESSAGE, (payload,telemetry,payload.telemetry), 105) \
X(a, STATIC, ONEOF, UENUM, (payload,pp_state,payload.pp_state), 106) \
X(a, STATIC, ONEOF, UENUM, (payload,lock_state,payload.lock_state), 107) \
X(a, STATIC, ONEOF, MESSAGE, (payload,power_meter,payload.power_meter), 108)
#define McuToEverest_CALLBACK NULL
#define McuToEverest_DEFAULT NULL
#define McuToEverest_payload_keep_alive_MSGTYPE KeepAliveLo
#define McuToEverest_payload_error_flags_MSGTYPE ErrorFlags
#define McuToEverest_payload_telemetry_MSGTYPE Telemetry
#define McuToEverest_payload_power_meter_MSGTYPE PowerMeter
#define ErrorFlags_FIELDLIST(X, a) \
X(a, STATIC, SINGULAR, BOOL, diode_fault, 1) \
X(a, STATIC, SINGULAR, BOOL, rcd_selftest_failed, 2) \
X(a, STATIC, SINGULAR, BOOL, rcd_triggered, 3) \
X(a, STATIC, SINGULAR, BOOL, ventilation_not_available, 4) \
X(a, STATIC, SINGULAR, BOOL, connector_lock_failed, 5) \
X(a, STATIC, SINGULAR, BOOL, cp_signal_fault, 6) \
X(a, STATIC, SINGULAR, BOOL, over_current, 7)
#define ErrorFlags_CALLBACK NULL
#define ErrorFlags_DEFAULT NULL
#define KeepAliveLo_FIELDLIST(X, a) \
X(a, STATIC, SINGULAR, UINT32, time_stamp, 1) \
X(a, STATIC, SINGULAR, UINT32, hw_type, 2) \
X(a, STATIC, SINGULAR, UINT32, hw_revision, 3) \
X(a, STATIC, SINGULAR, UINT32, protocol_version_major, 4) \
X(a, STATIC, SINGULAR, UINT32, protocol_version_minor, 5) \
X(a, STATIC, SINGULAR, STRING, sw_version_string, 6) \
X(a, STATIC, SINGULAR, FLOAT, hwcap_max_current, 7) \
X(a, STATIC, SINGULAR, FLOAT, hwcap_min_current, 8) \
X(a, STATIC, SINGULAR, UINT32, hwcap_max_phase_count, 9) \
X(a, STATIC, SINGULAR, UINT32, hwcap_min_phase_count, 10) \
X(a, STATIC, SINGULAR, BOOL, supports_changing_phases_during_charging, 11)
#define KeepAliveLo_CALLBACK NULL
#define KeepAliveLo_DEFAULT NULL
#define KeepAlive_FIELDLIST(X, a) \
X(a, STATIC, SINGULAR, UINT32, time_stamp, 1) \
X(a, STATIC, SINGULAR, UINT32, hw_type, 2) \
X(a, STATIC, SINGULAR, UINT32, hw_revision, 3) \
X(a, STATIC, SINGULAR, STRING, sw_version_string, 6)
#define KeepAlive_CALLBACK NULL
#define KeepAlive_DEFAULT NULL
#define Telemetry_FIELDLIST(X, a) \
X(a, STATIC, SINGULAR, UINT32, cp_voltage_hi, 1) \
X(a, STATIC, SINGULAR, UINT32, cp_voltage_lo, 2)
#define Telemetry_CALLBACK NULL
#define Telemetry_DEFAULT NULL
#define PowerMeter_FIELDLIST(X, a) \
X(a, STATIC, SINGULAR, UINT32, time_stamp, 1) \
X(a, STATIC, SINGULAR, FLOAT, vrmsL1, 2) \
X(a, STATIC, SINGULAR, FLOAT, vrmsL2, 3) \
X(a, STATIC, SINGULAR, FLOAT, vrmsL3, 4) \
X(a, STATIC, SINGULAR, FLOAT, irmsL1, 5) \
X(a, STATIC, SINGULAR, FLOAT, irmsL2, 6) \
X(a, STATIC, SINGULAR, FLOAT, irmsL3, 7) \
X(a, STATIC, SINGULAR, FLOAT, irmsN, 8) \
X(a, STATIC, SINGULAR, FLOAT, wattHrL1, 9) \
X(a, STATIC, SINGULAR, FLOAT, wattHrL2, 10) \
X(a, STATIC, SINGULAR, FLOAT, wattHrL3, 11) \
X(a, STATIC, SINGULAR, FLOAT, totalWattHr, 12) \
X(a, STATIC, SINGULAR, FLOAT, tempL1, 13) \
X(a, STATIC, SINGULAR, FLOAT, tempL2, 14) \
X(a, STATIC, SINGULAR, FLOAT, tempL3, 15) \
X(a, STATIC, SINGULAR, FLOAT, tempN, 16) \
X(a, STATIC, SINGULAR, FLOAT, wattL1, 17) \
X(a, STATIC, SINGULAR, FLOAT, wattL2, 18) \
X(a, STATIC, SINGULAR, FLOAT, wattL3, 19) \
X(a, STATIC, SINGULAR, FLOAT, freqL1, 20) \
X(a, STATIC, SINGULAR, FLOAT, freqL2, 21) \
X(a, STATIC, SINGULAR, FLOAT, freqL3, 22) \
X(a, STATIC, SINGULAR, BOOL, phaseSeqError, 23)
#define PowerMeter_CALLBACK NULL
#define PowerMeter_DEFAULT NULL
#define FirmwareUpdate_FIELDLIST(X, a) \
X(a, STATIC, SINGULAR, BOOL, invoke_rom_bootloader, 1)
#define FirmwareUpdate_CALLBACK NULL
#define FirmwareUpdate_DEFAULT NULL
extern const pb_msgdesc_t EverestToMcu_msg;
extern const pb_msgdesc_t McuToEverest_msg;
extern const pb_msgdesc_t ErrorFlags_msg;
extern const pb_msgdesc_t KeepAliveLo_msg;
extern const pb_msgdesc_t KeepAlive_msg;
extern const pb_msgdesc_t Telemetry_msg;
extern const pb_msgdesc_t PowerMeter_msg;
extern const pb_msgdesc_t FirmwareUpdate_msg;
/* Defines for backwards compatibility with code written before nanopb-0.4.0 */
#define EverestToMcu_fields &EverestToMcu_msg
#define McuToEverest_fields &McuToEverest_msg
#define ErrorFlags_fields &ErrorFlags_msg
#define KeepAliveLo_fields &KeepAliveLo_msg
#define KeepAlive_fields &KeepAlive_msg
#define Telemetry_fields &Telemetry_msg
#define PowerMeter_fields &PowerMeter_msg
#define FirmwareUpdate_fields &FirmwareUpdate_msg
/* Maximum encoded size of messages (where known) */
#define ErrorFlags_size 14
#define EverestToMcu_size 73
#define FirmwareUpdate_size 2
#define KeepAliveLo_size 106
#define KeepAlive_size 70
#define McuToEverest_size 124
#define PowerMeter_size 121
#define Telemetry_size 12
#define YETI_PB_H_MAX_SIZE McuToEverest_size
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif

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@@ -0,0 +1,134 @@
syntax = "proto3";
/*
This container message is send from EVerest to MCU and may contain any allowed message in that direction.
*/
message EverestToMcu {
oneof payload {
// Needs to remain the same to allow firmware updates of older versions
FirmwareUpdate firmware_update = 16;
// Other IDs are 100+ to avoid compatibility issues with older firmware versions
KeepAlive keep_alive = 100;
bool connector_lock = 102; // false: unlock, true: lock
uint32 pwm_duty_cycle = 103; // in 0.01 %, 0 = State F, 10000 = X1
bool allow_power_on = 104;
bool reset = 105;
bool set_number_of_phases = 106;
}
}
/*
This container message is send from MCU to EVerest and may contain any allowed message in that direction.
*/
message McuToEverest {
oneof payload {
// Needs to remain the same to allow firmware updates of older versions
KeepAliveLo keep_alive = 3;
// Other IDs are 100+ to avoid compatibility issues with older firmware versions
ResetReason reset = 101;
CpState cp_state = 102;
bool relais_state = 103; // false: relais are off, true: relais are on
ErrorFlags error_flags = 104;
Telemetry telemetry = 105;
PpState pp_state = 106;
LockState lock_state = 107;
PowerMeter power_meter = 108;
}
}
enum CpState {
STATE_A = 0;
STATE_B = 1;
STATE_C = 2;
STATE_D = 3;
STATE_E = 4;
STATE_F = 5;
}
message ErrorFlags {
bool diode_fault = 1;
bool rcd_selftest_failed = 2;
bool rcd_triggered = 3;
bool ventilation_not_available = 4;
bool connector_lock_failed = 5;
bool cp_signal_fault = 6;
bool over_current = 7;
}
enum ResetReason {
USER = 0;
WATCHDOG = 1;
}
message KeepAliveLo {
uint32 time_stamp = 1;
uint32 hw_type = 2;
uint32 hw_revision = 3;
uint32 protocol_version_major = 4;
uint32 protocol_version_minor = 5;
string sw_version_string = 6;
float hwcap_max_current = 7;
float hwcap_min_current = 8;
uint32 hwcap_max_phase_count = 9;
uint32 hwcap_min_phase_count = 10;
bool supports_changing_phases_during_charging = 11;
}
message KeepAlive {
uint32 time_stamp = 1;
uint32 hw_type = 2;
uint32 hw_revision = 3;
string sw_version_string = 6;
}
message Telemetry {
uint32 cp_voltage_hi = 1;
uint32 cp_voltage_lo = 2;
}
enum PpState {
STATE_NC = 0;
STATE_13A = 1;
STATE_20A = 2;
STATE_32A = 3;
STATE_70A = 4;
STATE_FAULT = 5;
}
enum LockState {
UNDEFINED = 0;
UNLOCKED = 1;
LOCKED = 2;
}
message PowerMeter {
uint32 time_stamp = 1;
float vrmsL1 = 2;
float vrmsL2 = 3;
float vrmsL3 = 4;
float irmsL1 = 5;
float irmsL2 = 6;
float irmsL3 = 7;
float irmsN = 8;
float wattHrL1 = 9;
float wattHrL2 = 10;
float wattHrL3 = 11;
float totalWattHr = 12;
float tempL1 = 13;
float tempL2 = 14;
float tempL3 = 15;
float tempN = 16;
float wattL1 = 17;
float wattL2 = 18;
float wattL3 = 19;
float freqL1 = 20;
float freqL2 = 21;
float freqL3 = 22;
bool phaseSeqError = 23;
}
message FirmwareUpdate {
bool invoke_rom_bootloader = 1;
}