151 lines
4.3 KiB
C++
151 lines
4.3 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <cstdint>
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#include "SPI.h"
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#include <mcp_can.h>
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#include <mutex>
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#ifndef HUAWEI_PIN_MISO
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#define HUAWEI_PIN_MISO 12
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#endif
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#ifndef HUAWEI_PIN_MOSI
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#define HUAWEI_PIN_MOSI 13
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#endif
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#ifndef HUAWEI_PIN_SCLK
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#define HUAWEI_PIN_SCLK 26
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#endif
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#ifndef HUAWEI_PIN_IRQ
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#define HUAWEI_PIN_IRQ 25
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#endif
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#ifndef HUAWEI_PIN_CS
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#define HUAWEI_PIN_CS 15
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#endif
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#ifndef HUAWEI_PIN_POWER
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#define HUAWEI_PIN_POWER 33
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#endif
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#define HUAWEI_MINIMAL_OFFLINE_VOLTAGE 48
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#define HUAWEI_MINIMAL_ONLINE_VOLTAGE 42
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#define MAX_CURRENT_MULTIPLIER 20
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// Index values for rec_values array
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#define HUAWEI_INPUT_POWER_IDX 0
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#define HUAWEI_INPUT_FREQ_IDX 1
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#define HUAWEI_INPUT_CURRENT_IDX 2
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#define HUAWEI_OUTPUT_POWER_IDX 3
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#define HUAWEI_EFFICIENCY_IDX 4
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#define HUAWEI_OUTPUT_VOLTAGE_IDX 5
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#define HUAWEI_OUTPUT_CURRENT_MAX_IDX 6
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#define HUAWEI_INPUT_VOLTAGE_IDX 7
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#define HUAWEI_OUTPUT_TEMPERATURE_IDX 8
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#define HUAWEI_INPUT_TEMPERATURE_IDX 9
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#define HUAWEI_OUTPUT_CURRENT_IDX 10
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#define HUAWEI_OUTPUT_CURRENT1_IDX 11
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// Defines and index values for tx_values array
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#define HUAWEI_OFFLINE_VOLTAGE 0x01
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#define HUAWEI_ONLINE_VOLTAGE 0x00
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#define HUAWEI_OFFLINE_CURRENT 0x04
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#define HUAWEI_ONLINE_CURRENT 0x03
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// Modes of operation
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#define HUAWEI_MODE_OFF 0
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#define HUAWEI_MODE_ON 1
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#define HUAWEI_MODE_AUTO_EXT 2
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#define HUAWEI_MODE_AUTO_INT 3
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// Error codes
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#define HUAWEI_ERROR_CODE_RX 0x01
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#define HUAWEI_ERROR_CODE_TX 0x02
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// Wait time/current before shuting down the PSU / charger
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// This is set to allow the fan to run for some time
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#define HUAWEI_AUTO_MODE_SHUTDOWN_DELAY 60000
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#define HUAWEI_AUTO_MODE_SHUTDOWN_CURRENT 1.0
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// Updateinterval used to request new values from the PSU
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#define HUAWEI_DATA_REQUEST_INTERVAL_MS 2500
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typedef struct RectifierParameters {
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float input_voltage;
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float input_frequency;
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float input_current;
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float input_power;
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float input_temp;
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float efficiency;
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float output_voltage;
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float output_current;
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float max_output_current;
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float output_power;
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float output_temp;
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float amp_hour;
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} RectifierParameters_t;
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class HuaweiCanCommClass {
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public:
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bool init(uint8_t huawei_miso, uint8_t huawei_mosi, uint8_t huawei_clk,
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uint8_t huawei_irq, uint8_t huawei_cs, uint32_t frequency);
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void loop();
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bool gotNewRxDataFrame(bool clear);
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uint8_t getErrorCode(bool clear);
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uint32_t getParameterValue(uint8_t parameter);
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void setParameterValue(uint16_t in, uint8_t parameterType);
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private:
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void sendRequest();
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SPIClass *SPI;
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MCP_CAN *_CAN;
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uint8_t _huaweiIrq; // IRQ pin
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uint32_t _nextRequestMillis = 0; // When to send next data request to PSU
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std::mutex _mutex;
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uint32_t _recValues[12];
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uint16_t _txValues[5];
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bool _hasNewTxValue[5];
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uint8_t _errorCode;
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bool _completeUpdateReceived;
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};
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class HuaweiCanClass {
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public:
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void init(uint8_t huawei_miso, uint8_t huawei_mosi, uint8_t huawei_clk, uint8_t huawei_irq, uint8_t huawei_cs, uint8_t huawei_power);
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void loop();
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void setValue(float in, uint8_t parameterType);
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void setMode(uint8_t mode);
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RectifierParameters_t * get();
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uint32_t getLastUpdate();
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bool getAutoPowerStatus();
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private:
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void processReceivedParameters();
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TaskHandle_t _HuaweiCanCommunicationTaskHdl = NULL;
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bool _initialized = false;
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uint8_t _huaweiPower; // Power pin
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uint8_t _mode = HUAWEI_MODE_AUTO_EXT;
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RectifierParameters_t _rp;
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uint32_t _lastUpdateReceivedMillis; // Timestamp for last data seen from the PSU
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uint32_t _outputCurrentOnSinceMillis; // Timestamp since when the PSU was idle at zero amps
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uint32_t _nextAutoModePeriodicIntMillis; // When to set the next output voltage in automatic mode
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uint32_t _lastPowerMeterUpdateReceivedMillis; // Timestamp of last seen power meter value
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uint32_t _autoModeBlockedTillMillis = 0; // Timestamp to block running auto mode for some time
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uint8_t _autoPowerEnabledCounter = 0;
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bool _autoPowerEnabled = false;
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};
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extern HuaweiCanClass HuaweiCan;
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extern HuaweiCanCommClass HuaweiCanComm; |