38 lines
1.0 KiB
C
38 lines
1.0 KiB
C
#ifndef MAX_17_H
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#define MAX_17_H
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#define MAX17048_ADDR 0x36
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#define MAX17048_REG_VCELL 0x02 // Voltage
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#define MAX17048_REG_SOC 0x04 // State of Charge (%)
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#define MAX17048_REG_MODE 0x06
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#define MAX17048_REG_VERSION 0x08
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#define MAX17048_REG_CONFIG 0x0C
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#define MAX17048_REG_CMD 0xFE // Command (Reset)
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#define MAX17048_REG_STATUS 0x1A
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#define MAX17048_REG_VALRT 0x14
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#define MAX17048_REG_VRST_ID 0x18
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// Commands
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#define MAX17048_CMD_POR 0x5400 // Power On Reset command
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#define MAX17048_CMD_QSTRT 0x4000 // Quick Start command
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "driver/i2c.h"
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esp_err_t max17048_init();
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uint8_t bms_get_soc();
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esp_err_t bms_set_alert_bound_voltages(float min, float max);
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esp_err_t bms_set_reset_voltage(float vreset);
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esp_err_t bms_clear_status();
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#define bms_set_alsc() max17048_friendly_write_reg(MAX17048_REG_CONFIG, 0, 1<<6, 0, 1<<6)
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#define bms_clear_status() max17048_write_reg(MAX17048_REG_STATUS, 0, 0)
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#ifdef __cplusplus
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}
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#endif
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#endif |