bms/Application/bsp/ml5238.h

#ifndef _ML5238_H__
#define _ML5238_H__
#include "bsp/clock.h"
void ml5238_init(void);
void ml5238_softreset(void);
int ml5238_enable_discharger_mosfet(int enable);
int ml5238_enable_charger_mosfet(int enable);
int ml5238_short_current_detect(int mode);
int ml5238_is_load_disconnect(void);
int ml5238_enable_load_detect(int enable);

typedef void (*ml5238_notify_hander)(int event);
void ml5238_register_notify_handler(ml5238_notify_hander handler);

#define ML5238_Event_Charger_Over_Current 1
#define ML5238_Event_Short_Current 2
#define ML5238_Event_Load_Disconnect 3

#define SHORT_CURRENT_MODE_DISABLE -1
#define SHORT_CURRENT_MODE_33_3A 0
#define SHORT_CURRENT_MODE_66_6A 1
#define SHORT_CURRENT_MODE_100A 2
#define SHORT_CURRENT_MODE_133_3A 3

/* ml5238 will amplify the vmon val by 0.5, so we need 
 * multi 2 to the adc value, to get the real vol 
 */
#define cell_real_vol(v) (v * 2)

#include "ml5238_reg.h"
int ml5238_write(uint8_t regaddr, uint8_t data);
/* disable the vmon output the cell voltage */
#define ML5238_VMON_DISABLE() {ml5238_write(ML5238_VMON, 0x00);};

/* select one cell (0-14) connect to vmon, so we can measure 
 * the cell voltage from vmon pin
*/
#define ML5238_SELECT_CELL(i) {ml5238_write(ML5238_VMON, i | VMON_OUT);};

/* IMON output disable */
#define ML5238_IMON_DISABLE() {ml5238_write(ML5238_IMON, 0x02);};
/* IMON output 0V, used to cali the GAIN */
#define ML5238_IMON_OUT_ZERO_10X() {ml5238_write(ML5238_IMON, 0x12);delay_us(1000);};
#define ML5238_IMON_OUT_ZERO_50X() {ml5238_write(ML5238_IMON, 0x13);delay_us(5000);};

/* IMON output 2V, used to cali the GAIN */
#define ML5238_IMON_OUT_V2000_10X() {ml5238_write(ML5238_IMON, 0x14);delay_us(1000);};
#define ML5238_IMON_OUT_V2000_50X() {ml5238_write(ML5238_IMON, 0x15);delay_us(5000);};

/* IMON output 100mV, used to cali the GAIN */
#define ML5238_IMON_OUT_V100_10X() {ml5238_write(ML5238_IMON, 0x1c);delay_us(1000);};
#define ML5238_IMON_OUT_V100_50X() {ml5238_write(ML5238_IMON, 0x1d);delay_us(5000);};

/* IMON output real pin's voltage */
#define ML5238_IMON_OUT_10X() {ml5238_write(ML5238_IMON, 0x10);delay_us(1000);};
#define ML5238_IMON_OUT_50X() {ml5238_write(ML5238_IMON, 0x11);delay_us(5000);};

//vim0 == xxx_OUT_ZERO_xxx, vim1 == xxx_OUT_V2000_xxx, vr == xxx_OUT_V100_xxx
#define ML5238_GAIN(vim0, vim1, vr) ((vim1-vim0)/vr)

//r_v :real voltage, gain == ML5238_GAIN
#define ML5238_V_RSENSER(r_v, vim0, gain) ((r_v-vim0)/gain)
#endif /* _ML5238_H__ */