OpenDTU-old/include/Huawei_can.h
2024-01-01 17:06:58 +01:00

156 lines
4.6 KiB
C++

// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <cstdint>
#include "SPI.h"
#include <mcp_can.h>
#include <mutex>
#include <TaskSchedulerDeclarations.h>
#ifndef HUAWEI_PIN_MISO
#define HUAWEI_PIN_MISO 12
#endif
#ifndef HUAWEI_PIN_MOSI
#define HUAWEI_PIN_MOSI 13
#endif
#ifndef HUAWEI_PIN_SCLK
#define HUAWEI_PIN_SCLK 26
#endif
#ifndef HUAWEI_PIN_IRQ
#define HUAWEI_PIN_IRQ 25
#endif
#ifndef HUAWEI_PIN_CS
#define HUAWEI_PIN_CS 15
#endif
#ifndef HUAWEI_PIN_POWER
#define HUAWEI_PIN_POWER 33
#endif
#define HUAWEI_MINIMAL_OFFLINE_VOLTAGE 48
#define HUAWEI_MINIMAL_ONLINE_VOLTAGE 42
#define MAX_CURRENT_MULTIPLIER 20
// Index values for rec_values array
#define HUAWEI_INPUT_POWER_IDX 0
#define HUAWEI_INPUT_FREQ_IDX 1
#define HUAWEI_INPUT_CURRENT_IDX 2
#define HUAWEI_OUTPUT_POWER_IDX 3
#define HUAWEI_EFFICIENCY_IDX 4
#define HUAWEI_OUTPUT_VOLTAGE_IDX 5
#define HUAWEI_OUTPUT_CURRENT_MAX_IDX 6
#define HUAWEI_INPUT_VOLTAGE_IDX 7
#define HUAWEI_OUTPUT_TEMPERATURE_IDX 8
#define HUAWEI_INPUT_TEMPERATURE_IDX 9
#define HUAWEI_OUTPUT_CURRENT_IDX 10
#define HUAWEI_OUTPUT_CURRENT1_IDX 11
// Defines and index values for tx_values array
#define HUAWEI_OFFLINE_VOLTAGE 0x01
#define HUAWEI_ONLINE_VOLTAGE 0x00
#define HUAWEI_OFFLINE_CURRENT 0x04
#define HUAWEI_ONLINE_CURRENT 0x03
// Modes of operation
#define HUAWEI_MODE_OFF 0
#define HUAWEI_MODE_ON 1
#define HUAWEI_MODE_AUTO_EXT 2
#define HUAWEI_MODE_AUTO_INT 3
// Error codes
#define HUAWEI_ERROR_CODE_RX 0x01
#define HUAWEI_ERROR_CODE_TX 0x02
// Wait time/current before shuting down the PSU / charger
// This is set to allow the fan to run for some time
#define HUAWEI_AUTO_MODE_SHUTDOWN_DELAY 60000
#define HUAWEI_AUTO_MODE_SHUTDOWN_CURRENT 0.75
// Updateinterval used to request new values from the PSU
#define HUAWEI_DATA_REQUEST_INTERVAL_MS 2500
typedef struct RectifierParameters {
float input_voltage;
float input_frequency;
float input_current;
float input_power;
float input_temp;
float efficiency;
float output_voltage;
float output_current;
float max_output_current;
float output_power;
float output_temp;
float amp_hour;
} RectifierParameters_t;
class HuaweiCanCommClass {
public:
bool init(uint8_t huawei_miso, uint8_t huawei_mosi, uint8_t huawei_clk,
uint8_t huawei_irq, uint8_t huawei_cs, uint32_t frequency);
void loop();
bool gotNewRxDataFrame(bool clear);
uint8_t getErrorCode(bool clear);
uint32_t getParameterValue(uint8_t parameter);
void setParameterValue(uint16_t in, uint8_t parameterType);
private:
void sendRequest();
SPIClass *SPI;
MCP_CAN *_CAN;
uint8_t _huaweiIrq; // IRQ pin
uint32_t _nextRequestMillis = 0; // When to send next data request to PSU
std::mutex _mutex;
uint32_t _recValues[12];
uint16_t _txValues[5];
bool _hasNewTxValue[5];
uint8_t _errorCode;
bool _completeUpdateReceived;
};
class HuaweiCanClass {
public:
void init(Scheduler& scheduler, uint8_t huawei_miso, uint8_t huawei_mosi, uint8_t huawei_clk, uint8_t huawei_irq, uint8_t huawei_cs, uint8_t huawei_power);
void updateSettings(uint8_t huawei_miso, uint8_t huawei_mosi, uint8_t huawei_clk, uint8_t huawei_irq, uint8_t huawei_cs, uint8_t huawei_power);
void setValue(float in, uint8_t parameterType);
void setMode(uint8_t mode);
RectifierParameters_t * get();
uint32_t getLastUpdate();
bool getAutoPowerStatus();
private:
void loop();
void processReceivedParameters();
void _setValue(float in, uint8_t parameterType);
Task _loopTask;
TaskHandle_t _HuaweiCanCommunicationTaskHdl = NULL;
bool _initialized = false;
uint8_t _huaweiPower; // Power pin
uint8_t _mode = HUAWEI_MODE_AUTO_EXT;
RectifierParameters_t _rp;
uint32_t _lastUpdateReceivedMillis; // Timestamp for last data seen from the PSU
uint32_t _outputCurrentOnSinceMillis; // Timestamp since when the PSU was idle at zero amps
uint32_t _nextAutoModePeriodicIntMillis; // When to set the next output voltage in automatic mode
uint32_t _lastPowerMeterUpdateReceivedMillis; // Timestamp of last seen power meter value
uint32_t _autoModeBlockedTillMillis = 0; // Timestamp to block running auto mode for some time
uint8_t _autoPowerEnabledCounter = 0;
bool _autoPowerEnabled = false;
};
extern HuaweiCanClass HuaweiCan;
extern HuaweiCanCommClass HuaweiCanComm;