foxBMS  1.4.1
The foxBMS Battery Management System API Documentation
Data Structures | Macros | Enumerations
nxp_mc33775a_defs.h File Reference

Definitions for the driver for the MC33775A monitoring chip. More...

#include "general.h"
#include "database.h"
#include "spi.h"
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Data Structures

struct  N775_ERRORTABLE_s
 
struct  N775_SUPPLY_CURRENT_s
 
struct  N775_MUX_CH_CFG_s
 
struct  N775_DATAPTR_s
 
struct  N775_ERROR_s
 
struct  N775_CONFIG_s
 
struct  N775_STATE_s
 
struct  N775_MESSAGE_s
 

Macros

#define N775_USE_MUX_FOR_TEMP   (true)
 
#define N775_CHECK_MUX_STATE   (true)
 
#define N775_CHECK_SUPPLY_CURRENT   (false)
 
#define N775_BROADCAST_ADDRESS   (63u)
 
#define N775_WAKEUP_TIME_MS   (3u)
 
#define N775_TIMEOUT_TO_SLEEP_10MS   (200u)
 
#define N775_TIMEOUT_ENABLED   (0u)
 
#define N775_TIMEOUT_DISABLED   (0x5Au)
 
#define N775_TIMEOUT_SWITCH   (N775_TIMEOUT_ENABLED)
 
#define N775_TIME_AFTER_MEASUREMENT_START_MS   (5u)
 
#define N775_DEFAULT_CHAIN_ADDRESS   (1u)
 
#define N775_MEASUREMENT_CAPTURE_TIME_MS   (5u + 1u)
 
#define N775_MEASUREMENT_READY_TIME_MS   (1u)
 
#define N775_INVALID_REGISTER_VALUE   (0x8000u)
 
#define N775_MUX_SEQUENCE_LENGTH   (8u)
 
#define N775_BALPAUSELEN_10US   (100u)
 
#define N775_ADG728_ADDRESS_UPPERBITS   (0x98u)
 
#define N775_I2C_READ   (1u)
 
#define N775_I2C_WRITE   (0u)
 
#define N775_I2C_DUMMY_BYTE   (0x0u)
 
#define N775_MUXED_TEMP_GPIO_POSITION   (0u)
 
#define N775_GLOBAL_BALANCING_TIMER   (0xFFFFu)
 
#define N775_PRE_BALANCING_TIMER   (0x0u)
 
#define N775_ALL_CHANNEL_BALANCING_TIMER   (0xFFFFu)
 
#define N775_GLOBAL_BALANCING_TIMER_VALUE_SET_TO_MAX_AGAIN   (0x1000u)
 
#define N775_FLAG_READY_TIMEOUT   (2000u)
 

Enumerations

enum  N775_STATEMACH_e {
  N775_STATEMACH_UNINITIALIZED , N775_STATEMACH_INITIALIZATION , N775_STATEMACH_WAKEUP , N775_STATEMACH_ENUMERATE ,
  N775_STATEMACH_INITIALIZED , N775_STATEMACH_IDLE , N775_STATEMACH_STARTMEAS , N775_STATEMACH_READVOLTAGE ,
  N775_STATEMACH_BALANCECONTROL
}
 
enum  N775_STATEMACH_SUB_e {
  N775_ENTRY , N775_SECOND_WAKEUP , N775_CHECK_ENUMERATION , N775_ERROR_ENTRY ,
  N775_ERROR_PROCESSED
}
 
enum  N775_STATEMACH_UNINITIALIZED_SUB_e { N775_ENTRY_UNINITIALIZED = 0 }
 
enum  N775_STATEMACH_INITIALIZATION_SUB_e {
  N775_ENTRY_INITIALIZATION = 0 , N775_START_INIT_INITIALIZATION = 1 , N775_RE_ENTRY_INITIALIZATION = 2 , N775_READ_INITIALIZATION_REGISTER = 3 ,
  N775_CHECK_INITIALIZATION = 4 , N775_EXIT_INITIALIZATION = 5
}
 
enum  N775_STATE_REQUEST_e { N775_STATE_INITIALIZATION_REQUEST , N775_STATE_NO_REQUEST }
 
enum  N775_RETURN_TYPE_e {
  N775_OK = 0 , N775_BUSY_OK = 1 , N775_REQUEST_PENDING = 2 , N775_ILLEGAL_REQUEST = 3 ,
  N775_SPI_ERROR = 4 , N775_PEC_ERROR = 5 , N775_MUX_ERROR = 6 , N775_INIT_ERROR = 7 ,
  N775_OK_FROM_ERROR = 8 , N775_GENERAL_ERROR = 20 , N775_ALREADY_INITIALIZED = 30 , N775_ILLEGAL_TASK_TYPE = 99
}
 
enum  N775_REUSE_MODE_e { N775_NOT_REUSED = 0 , N775_REUSE_READ_VOLTAGE_FOR_ADOW_PUP = 1 , N775_REUSE_READ_VOLTAGE_FOR_ADOW_PDOWN = 2 }
 
enum  N775_PORT_EXPANDER_TI_DIRECTION_e { N775_PORT_EXPANDER_TI_OUTPUT = 0x0 , N775_PORT_EXPANDER_TI_INPUT = 0xFF }
 

Detailed Description

Definitions for the driver for the MC33775A monitoring chip.

Copyright
© 2010 - 2022, Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. All rights reserved.

SPDX-License-Identifier: BSD-3-Clause

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

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Author
foxBMS Team
Date
2020-09-01 (date of creation)
Updated
2022-10-27 (date of last update)
Version
v1.4.1
Prefix
N775

Definition in file nxp_mc33775a_defs.h.

Macro Definition Documentation

◆ N775_ADG728_ADDRESS_UPPERBITS

#define N775_ADG728_ADDRESS_UPPERBITS   (0x98u)

Upper bits of ADG728 mux address byte Set to 0: bit2, bit1 (address), bit0 (R/W)

Definition at line 106 of file nxp_mc33775a_defs.h.

◆ N775_ALL_CHANNEL_BALANCING_TIMER

#define N775_ALL_CHANNEL_BALANCING_TIMER   (0xFFFFu)

Definition at line 120 of file nxp_mc33775a_defs.h.

◆ N775_BALPAUSELEN_10US

#define N775_BALPAUSELEN_10US   (100u)

Definition at line 101 of file nxp_mc33775a_defs.h.

◆ N775_BROADCAST_ADDRESS

#define N775_BROADCAST_ADDRESS   (63u)

Definition at line 75 of file nxp_mc33775a_defs.h.

◆ N775_CHECK_MUX_STATE

#define N775_CHECK_MUX_STATE   (true)

Definition at line 71 of file nxp_mc33775a_defs.h.

◆ N775_CHECK_SUPPLY_CURRENT

#define N775_CHECK_SUPPLY_CURRENT   (false)

Definition at line 73 of file nxp_mc33775a_defs.h.

◆ N775_DEFAULT_CHAIN_ADDRESS

#define N775_DEFAULT_CHAIN_ADDRESS   (1u)

Definition at line 89 of file nxp_mc33775a_defs.h.

◆ N775_FLAG_READY_TIMEOUT

#define N775_FLAG_READY_TIMEOUT   (2000u)

Definition at line 124 of file nxp_mc33775a_defs.h.

◆ N775_GLOBAL_BALANCING_TIMER

#define N775_GLOBAL_BALANCING_TIMER   (0xFFFFu)

Definition at line 116 of file nxp_mc33775a_defs.h.

◆ N775_GLOBAL_BALANCING_TIMER_VALUE_SET_TO_MAX_AGAIN

#define N775_GLOBAL_BALANCING_TIMER_VALUE_SET_TO_MAX_AGAIN   (0x1000u)

Definition at line 122 of file nxp_mc33775a_defs.h.

◆ N775_I2C_DUMMY_BYTE

#define N775_I2C_DUMMY_BYTE   (0x0u)

Definition at line 112 of file nxp_mc33775a_defs.h.

◆ N775_I2C_READ

#define N775_I2C_READ   (1u)

Definition at line 108 of file nxp_mc33775a_defs.h.

◆ N775_I2C_WRITE

#define N775_I2C_WRITE   (0u)

Definition at line 110 of file nxp_mc33775a_defs.h.

◆ N775_INVALID_REGISTER_VALUE

#define N775_INVALID_REGISTER_VALUE   (0x8000u)

Definition at line 96 of file nxp_mc33775a_defs.h.

◆ N775_MEASUREMENT_CAPTURE_TIME_MS

#define N775_MEASUREMENT_CAPTURE_TIME_MS   (5u + 1u)

Definition at line 92 of file nxp_mc33775a_defs.h.

◆ N775_MEASUREMENT_READY_TIME_MS

#define N775_MEASUREMENT_READY_TIME_MS   (1u)

Definition at line 94 of file nxp_mc33775a_defs.h.

◆ N775_MUX_SEQUENCE_LENGTH

#define N775_MUX_SEQUENCE_LENGTH   (8u)

Definition at line 98 of file nxp_mc33775a_defs.h.

◆ N775_MUXED_TEMP_GPIO_POSITION

#define N775_MUXED_TEMP_GPIO_POSITION   (0u)

Definition at line 114 of file nxp_mc33775a_defs.h.

◆ N775_PRE_BALANCING_TIMER

#define N775_PRE_BALANCING_TIMER   (0x0u)

Definition at line 118 of file nxp_mc33775a_defs.h.

◆ N775_TIME_AFTER_MEASUREMENT_START_MS

#define N775_TIME_AFTER_MEASUREMENT_START_MS   (5u)

Definition at line 87 of file nxp_mc33775a_defs.h.

◆ N775_TIMEOUT_DISABLED

#define N775_TIMEOUT_DISABLED   (0x5Au)

Definition at line 83 of file nxp_mc33775a_defs.h.

◆ N775_TIMEOUT_ENABLED

#define N775_TIMEOUT_ENABLED   (0u)

Definition at line 81 of file nxp_mc33775a_defs.h.

◆ N775_TIMEOUT_SWITCH

#define N775_TIMEOUT_SWITCH   (N775_TIMEOUT_ENABLED)

Definition at line 85 of file nxp_mc33775a_defs.h.

◆ N775_TIMEOUT_TO_SLEEP_10MS

#define N775_TIMEOUT_TO_SLEEP_10MS   (200u)

Definition at line 79 of file nxp_mc33775a_defs.h.

◆ N775_USE_MUX_FOR_TEMP

#define N775_USE_MUX_FOR_TEMP   (true)

Definition at line 69 of file nxp_mc33775a_defs.h.

◆ N775_WAKEUP_TIME_MS

#define N775_WAKEUP_TIME_MS   (3u)

Definition at line 77 of file nxp_mc33775a_defs.h.

Enumeration Type Documentation

◆ N775_PORT_EXPANDER_TI_DIRECTION_e

enum N775_PORT_EXPANDER_TI_DIRECTION_e

TI port expander IO direction (input or output)

Enumerator
N775_PORT_EXPANDER_TI_OUTPUT 
N775_PORT_EXPANDER_TI_INPUT 

Definition at line 272 of file nxp_mc33775a_defs.h.

◆ N775_RETURN_TYPE_e

enum N775_RETURN_TYPE_e

Possible return values when state requests are made to the N775 statemachine

Enumerator
N775_OK 

N775 --> ok

N775_BUSY_OK 

N775 under load --> ok

N775_REQUEST_PENDING 

requested to be executed

N775_ILLEGAL_REQUEST 

Request can not be executed

N775_SPI_ERROR 

Error state: Source: SPI

N775_PEC_ERROR 

Error state: Source: PEC

N775_MUX_ERROR 

Error state: Source: MUX

N775_INIT_ERROR 

Error state: Source: Initialization

N775_OK_FROM_ERROR 

Return from error --> ok

N775_GENERAL_ERROR 

General error state

N775_ALREADY_INITIALIZED 

Initialization of N775 already finished

N775_ILLEGAL_TASK_TYPE 

Illegal

Definition at line 195 of file nxp_mc33775a_defs.h.

◆ N775_REUSE_MODE_e

enum N775_REUSE_MODE_e
Enumerator
N775_NOT_REUSED 
N775_REUSE_READ_VOLTAGE_FOR_ADOW_PUP 
N775_REUSE_READ_VOLTAGE_FOR_ADOW_PDOWN 

Definition at line 265 of file nxp_mc33775a_defs.h.

◆ N775_STATE_REQUEST_e

enum N775_STATE_REQUEST_e

State requests for the N775 statemachine

Enumerator
N775_STATE_INITIALIZATION_REQUEST 
N775_STATE_NO_REQUEST 

Definition at line 187 of file nxp_mc33775a_defs.h.

◆ N775_STATEMACH_e

enum N775_STATEMACH_e

States of the N775 state machine

Enumerator
N775_STATEMACH_UNINITIALIZED 
N775_STATEMACH_INITIALIZATION 
N775_STATEMACH_WAKEUP 
N775_STATEMACH_ENUMERATE 
N775_STATEMACH_INITIALIZED 
N775_STATEMACH_IDLE 
N775_STATEMACH_STARTMEAS 
N775_STATEMACH_READVOLTAGE 
N775_STATEMACH_BALANCECONTROL 

Definition at line 149 of file nxp_mc33775a_defs.h.

◆ N775_STATEMACH_INITIALIZATION_SUB_e

enum N775_STATEMACH_INITIALIZATION_SUB_e

Substates for the initialization state

Enumerator
N775_ENTRY_INITIALIZATION 
N775_START_INIT_INITIALIZATION 
N775_RE_ENTRY_INITIALIZATION 
N775_READ_INITIALIZATION_REGISTER 
N775_CHECK_INITIALIZATION 
N775_EXIT_INITIALIZATION 

Definition at line 176 of file nxp_mc33775a_defs.h.

◆ N775_STATEMACH_SUB_e

enum N775_STATEMACH_SUB_e

General substates

Enumerator
N775_ENTRY 
N775_SECOND_WAKEUP 
N775_CHECK_ENUMERATION 
N775_ERROR_ENTRY 
N775_ERROR_PROCESSED 

Definition at line 162 of file nxp_mc33775a_defs.h.

◆ N775_STATEMACH_UNINITIALIZED_SUB_e

enum N775_STATEMACH_UNINITIALIZED_SUB_e

Substates for the uninitialized state

Enumerator
N775_ENTRY_UNINITIALIZED 

Initialize-sequence

Definition at line 171 of file nxp_mc33775a_defs.h.