75 lines
2.1 KiB
C
Executable File
75 lines
2.1 KiB
C
Executable File
/*******************************************************************************
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* Copyright © 2025 Analog Devices Inc. All Rights Reserved.
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* This software is proprietary to Analog Devices, Inc. and its licensors.
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*******************************************************************************/
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#ifndef API_IC_MAX22215_H
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#define API_IC_MAX22215_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include "MAX22215_HW_Abstraction.h"
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typedef enum {
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IC_BUS_SPI,
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IC_BUS_I2C,
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} MAX22215BusType;
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typedef struct
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{
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uint32_t mask;
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uint8_t shift;
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uint8_t address;
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bool isSigned;
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} RegisterField;
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// => TMC-API wrapper
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extern bool max22215_readWriteI2C(uint16_t icID, uint8_t *data, size_t writeLength, size_t readLength);
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extern MAX22215BusType max22215_getBusType(uint16_t icID);
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extern uint8_t max22215_getDeviceAddress(uint16_t icID);
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// => TMC-API wrapper
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int32_t max22215_readRegister(uint16_t icID, uint8_t address);
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void max22215_writeRegister(uint16_t icID, uint8_t address, int32_t value);
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static inline uint32_t max22215_fieldExtract(uint32_t data, RegisterField field)
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{
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uint32_t value = (data & field.mask) >> field.shift;
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if (field.isSigned)
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{
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// Apply signedness conversion
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uint32_t baseMask = field.mask >> field.shift;
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uint32_t signMask = baseMask & (~baseMask >> 1);
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value = (value ^ signMask) - signMask;
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}
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return value;
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}
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static inline uint32_t max22215_fieldRead(uint16_t icID, RegisterField field)
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{
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uint32_t value = max22215_readRegister(icID, field.address);
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return max22215_fieldExtract(value, field);
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}
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static inline uint32_t field_update(uint32_t data, RegisterField field, uint32_t value)
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{
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return (data & (~field.mask)) | ((value << field.shift) & field.mask);
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}
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static inline void max22215_fieldWrite(uint16_t icID, RegisterField field, uint32_t value)
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{
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uint32_t regValue = max22215_readRegister(icID, field.address);
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regValue = field_update(regValue, field, value);
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max22215_writeRegister(icID, field.address, regValue);
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}
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#endif /* API_IC_MAX22215_H */
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