current_acs37800_defs.h

#pragma once
 
/************************************************************************************************
 * @file    current_acs37800_defs.h
 *
 * @brief   Current Sensor ACS37800 Defs
 *
 * @date    2025-07-30
 * @author  Midnight Sun Team #24 - MSXVI
 ************************************************************************************************/
 
/* Standard library Headers */
 
/* Inter-component Headers */
 
/* Intra-component Headers */
 
#define ACS37800_Q15_SCALE_DENOM 32768.0f
#define ACS37800_Q16_SCALE_DENOM 65536.0f
 
/* Pack voltage divider values from the ACS37800 input network */
#define ACS37800_RISO_OHMS 4000000.0f
#define ACS37800_RSENSE_OHMS 6200.0f
#define ACS37800_LINE_TO_DEVICE_RATIO (ACS37800_RSENSE_OHMS / (ACS37800_RSENSE_OHMS + ACS37800_RISO_OHMS))
 
/* VRMS full-scale value from the datasheet */
#define ACS37800_DELTA_VIN_MAX 250.0f
#define ACS37800_VOLTAGE_SCALE_MV ((ACS37800_DELTA_VIN_MAX * 1.19f) / ACS37800_Q15_SCALE_DENOM)
 
/* Note in Amps */
#define ACS37800_IPR_MAX_A 90.0f
#define ACS37800_CURRENT_SCALE ((ACS37800_IPR_MAX_A * 1.19f) / ACS37800_Q15_SCALE_DENOM)
 
#define ACS37800_MAX_POW 0.704f
#define ACS37800_POWER_SCALE ((ACS37800_MAX_POW * 1.42f) / ACS37800_Q15_SCALE_DENOM)
 
#define ACS37800_MASK_FAULTOUT 0x02     /* Bit 1 */
#define ACS37800_MASK_OVERVOLTAGE 0x08  /* Bit 3 */
#define ACS37800_MASK_UNDERVOLTAGE 0x10 /* Bit 4 */
#define ACS37800_MASK_BYPASS_N_EN (1UL << 24)
 
typedef enum {
  ACS37800_REG_DIO_N_CONFIG = 0x0F,      
  ACS37800_REG_VRMS_IRMS = 0x20,         
  ACS37800_REG_VCODES_ICODES = 0x2A,     
  ACS37800_REG_PINSTANT = 0x2C,          
  ACS37800_REG_PACTIVE_PIMAGE = 0x21,    
  ACS37800_REG_PAPPARENT_PFACTOR = 0x22, 
  ACS37800_REG_NUMPTSOUT = 0x25,         
  ACS37800_REG_VI_RMSAVGONESEC = 0x26,   
  ACS37800_REG_VI_RMSAVGONEMIN = 0x27,   
  ACS37800_PACTAVGONESEC = 0x28,         
  ACS37800_REG_PACTAVGONEMIN = 0x29,     
  ACS37800_REG_STATUS = 0x2D             
} ACS37800_Registers;