75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
#ifndef INA260_COMPONENT
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#define INA260_COMPONENT
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#include "i2cbrn.h"
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#define TAG_INA "INA260"
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extern i2c_device_config_t INA260_DEV_CFG;
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extern i2c_master_dev_handle_t INA260_DEV_HANDLE;
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#define INA260_CONFIG_REGISTER (0x00)
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#define INA260_CURRENT_REGISTER (0x01)
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#define INA260_VOLTAGE_REGISTER (0x02)
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#define INA260_POWER_REGISTER (0x03)
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#define INA260_MASK_ENABLE_REGISTER (0x06)
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#define INA260_ALERT_LIMIT_REGISTER (0x07)
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#define INA260_MANUFACTURER_ID_REGISTER (0xFE)
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#define INA260_DIE_ID_REGISTER (0xFF)
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// Bit masks
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#define CONFIG_RST_BIT (1 << 15)
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#define CONFIG_AVG_MASK (0x7 << 9)
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#define CONFIG_VBUSCT_MASK (0x7 << 6)
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#define CONFIG_ISHCT_MASK (0x7 << 3)
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#define CONFIG_MODE_MASK (0x7 << 0)
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// Read-only bits
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#define CONFIG_RESERVED_BITS (0x7 << 12) // Bits 14–12 = 110b
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// Averaging modes (AVG)
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#define CONFIG_AVG_1 (0x0 << 9)
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#define CONFIG_AVG_4 (0x1 << 9)
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#define CONFIG_AVG_16 (0x2 << 9)
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#define CONFIG_AVG_64 (0x3 << 9)
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#define CONFIG_AVG_128 (0x4 << 9)
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#define CONFIG_AVG_256 (0x5 << 9)
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#define CONFIG_AVG_512 (0x6 << 9)
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#define CONFIG_AVG_1024 (0x7 << 9)
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// Bus voltage conversion time (VBUSCT)
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#define CONFIG_VBUSCT_140US (0x0 << 6)
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#define CONFIG_VBUSCT_204US (0x1 << 6)
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#define CONFIG_VBUSCT_332US (0x2 << 6)
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#define CONFIG_VBUSCT_588US (0x3 << 6)
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#define CONFIG_VBUSCT_1_1MS (0x4 << 6)
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#define CONFIG_VBUSCT_2_116MS (0x5 << 6)
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#define CONFIG_VBUSCT_4_156MS (0x6 << 6)
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#define CONFIG_VBUSCT_8_244MS (0x7 << 6)
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// Shunt current conversion time (ISHCT)
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#define CONFIG_ISHCT_140US (0x0 << 3)
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#define CONFIG_ISHCT_204US (0x1 << 3)
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#define CONFIG_ISHCT_332US (0x2 << 3)
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#define CONFIG_ISHCT_588US (0x3 << 3)
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#define CONFIG_ISHCT_1_1MS (0x4 << 3)
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#define CONFIG_ISHCT_2_116MS (0x5 << 3)
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#define CONFIG_ISHCT_4_156MS (0x6 << 3)
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#define CONFIG_ISHCT_8_244MS (0x7 << 3)
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// Operating mode (MODE)
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#define CONFIG_MODE_POWERDOWN (0x0 << 0)
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#define CONFIG_MODE_CURRENT_TRIGGER (0x1 << 0)
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#define CONFIG_MODE_VOLTAGE_TRIGGER (0x2 << 0)
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#define CONFIG_MODE_CURRENT_VOLTAGE_TRIGGER (0x3 << 0)
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#define CONFIG_MODE_POWERDOWN2 (0x4 << 0)
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#define CONFIG_MODE_POWERDOWN (0x5 << 0)
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#define CONFIG_MODE_POWERDOWN (0x6 << 0)
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#define CONFIG_MODE_POWERDOWN (0x7 << 0)
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void ina260_init();
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void ina260_readParams(uint16_t *volt, uint16_t *cur, uint16_t *pow);
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void ina260_printParams(uint16_t volt, uint16_t cur, uint16_t pow);
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#endif |