foxBMS - Unit Tests
1.4.1
The foxBMS Unit Tests API Documentation
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Header for the configuration for the LTC 6804-1 6811-1, 6812-1, and 6813-1 monitoring IC. More...
#include "ltc_cfg.h"
#include "ltc_defs.h"
#include "battery_system_cfg.h"
#include "ltc_afe_dma.h"
#include "spi.h"
Go to the source code of this file.
Functions | |
int16_t | LTC_ConvertMuxVoltagesToTemperatures (uint16_t adcVoltage_mV) |
converts a raw voltage from multiplexer to a temperature value in deci °C. More... | |
Variables | |
LTC_MUX_SEQUENCE_s | ltc_mux_seq |
const uint8_t | ltc_muxsensortemperatur_cfg [BS_NR_OF_TEMP_SENSORS_PER_MODULE] |
const uint8_t | ltc_voltage_input_used [BS_MAX_SUPPORTED_CELLS] |
Header for the configuration for the LTC 6804-1 6811-1, 6812-1, and 6813-1 monitoring IC.
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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Definition in file ltc_6813-1_cfg.h.
#define LTC_ADOW_THRESHOLD (-400) |
Open-wire detection threshold
Definition at line 118 of file ltc_6813-1_cfg.h.
#define LTC_DISCARD_MUX_CHECK (false) |
Definition at line 100 of file ltc_6813-1_cfg.h.
#define LTC_DISCARD_PEC (false) |
Controls if PEC should be discarded (true) or not (false)
Definition at line 94 of file ltc_6813-1_cfg.h.
#define LTC_GOTO_MUX_CHECK (true) |
Definition at line 97 of file ltc_6813-1_cfg.h.
#define LTC_GPIO_MEASUREMENT_MODE (LTC_ADCMODE_NORMAL_DCP0) |
Measurement modus for GPIOs, possible values:
Definition at line 134 of file ltc_6813-1_cfg.h.
#define LTC_N_MUX_CHANNELS_PER_LTC (LTC_N_MUX_PER_LTC * LTC_N_MUX_CHANNELS_PER_MUX) |
Number of multiplexed channels per LTC-IC
Definition at line 112 of file ltc_6813-1_cfg.h.
#define LTC_N_MUX_CHANNELS_PER_MUX (8u) |
Number of channels per multiplexer
Definition at line 106 of file ltc_6813-1_cfg.h.
#define LTC_N_MUX_PER_LTC (3u) |
Number of multiplexer used per LTC-IC
Definition at line 103 of file ltc_6813-1_cfg.h.
#define LTC_NMBR_REQ_ADOW_COMMANDS (2) |
Number of required ADOW commands because of external C-Pin capacitance and the respective duration to perform an open wire check for 14 modules with 12 cells each. During this time no cell voltages and temperatures are measured! +-------------—+-----------—+------------—+-------—+-------—+ | External C pin | Normal mode | Filtered mode | Duration | Duration | | capacitance | | | normal | filtered | | ------------—+-----------—+------------—+-------—+-------—+ | <= 10nF | 2 | 2 | 32ms | 828ms | | 100nF | 10 | 2 | 112ms | 828ms | | 1uF | 100 | 2 | 1012ms | 828ms | | C | 1.5+(C/10nF) | 2 | | | +-------------—+-----------—+------------—+-------—+-------—+
Definition at line 296 of file ltc_6813-1_cfg.h.
#define LTC_NUMBER_OF_LTC_PER_MODULE (1u) |
Number of LTC-ICs per battery module
Definition at line 115 of file ltc_6813-1_cfg.h.
#define LTC_NUMBER_OF_MUX_MEASUREMENTS_PER_CYCLE (8u) |
Number of multiplexer measurements per LTC cycle
Definition at line 109 of file ltc_6813-1_cfg.h.
#define LTC_OW_MEASUREMENT_MODE (LTC_ADCMODE_NORMAL_DCP0) |
Measurement modus for Open-wire check, possible values:
Definition at line 141 of file ltc_6813-1_cfg.h.
#define LTC_PORTEXPANDER_ADR_TI (0u) |
Address of TI port expander (0 or 1)
Definition at line 91 of file ltc_6813-1_cfg.h.
#define LTC_PORTEXPANDER_VERSION (1u) |
If set to 0 LTC driver is configured to use PCA8574 port expander If set to 1 LTC driver is configured to use TCA6408A port expander
Definition at line 88 of file ltc_6813-1_cfg.h.
#define LTC_READCOM (0) |
If set to 1, check if multiplexers acknowledged transmission
Definition at line 280 of file ltc_6813-1_cfg.h.
#define LTC_SPI_HANDLE (&spi_devices[0]) |
SPI1 is used for communication with LTC
Definition at line 153 of file ltc_6813-1_cfg.h.
#define LTC_SPI_INSTANCE (*LTC_SPI_HANDLE.Instance) |
SPI1 is used for communication with LTC
Definition at line 154 of file ltc_6813-1_cfg.h.
#define LTC_SPI_PRESCALER (*LTC_SPI_HANDLE.Init.BaudRatePrescaler) |
SPI1 is used for communication with LTC
Definition at line 155 of file ltc_6813-1_cfg.h.
#define LTC_SPI_WAKEUP_WAIT_TIME_US (30u) |
LTC SPI wakeup time
Definition at line 166 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_DAISY_CHAIN_FIRST_INITIALIZATION_TIME ((LTC_TWAKE_US * LTC_N_LTC) / 1000) |
time for the first initialization of the daisy chain see LTC6804 data sheet page 41
Definition at line 175 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_DAISY_CHAIN_SECOND_INITIALIZATION_TIME ((LTC_TREADY_US * LTC_N_LTC) / 1000) |
time for the second initialization of the daisy chain see LTC6804 data sheet page 41
Definition at line 180 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_MEAS_ALL_CELLS_FAST_TCYCLE (2) |
~1.1ms Measurement+Calibration Cycle Time When Starting from the REFUP State in Fast Mode unit: ms
Definition at line 190 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_MEAS_ALL_CELLS_FILTERED_TCYCLE (202) |
~201ms Measurement+Calibration Cycle Time When Starting from the REFUP State in Filtered Mode unit: ms
Definition at line 202 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_MEAS_ALL_CELLS_NORMAL_TCYCLE (3) |
~2.3ms Measurement+Calibration Cycle Time When Starting from the REFUP State in Normal Mode unit: ms
Definition at line 196 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_MEAS_ALL_GPIOS_FAST_TCYCLE (2) |
~1.8ms Measurement+Calibration Cycle Time When Starting from the REFUP State in Fast Mode unit: ms
Definition at line 230 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_MEAS_ALL_GPIOS_FILTERED_TCYCLE (336) |
~335ms Measurement+Calibration Cycle Time When Starting from the REFUP State in Filtered Mode unit: ms
Definition at line 242 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_MEAS_ALL_GPIOS_NORMAL_TCYCLE (4) |
~3.9ms Measurement+Calibration Cycle Time When Starting from the REFUP State in Normal Mode unit: ms
Definition at line 236 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_MEAS_SINGLE_GPIO_FAST_TCYCLE (1) |
~380us Measurement+Calibration Cycle Time When Starting from the REFUP State in Fast Mode unit: ms
Definition at line 248 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_MEAS_SINGLE_GPIO_FILTERED_TCYCLE (68) |
~67.1ms Measurement+Calibration Cycle Time When Starting from the REFUP State in Filtered Mode unit: ms
Definition at line 260 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_MEAS_SINGLE_GPIO_NORMAL_TCYCLE (1) |
~788us Measurement+Calibration Cycle Time When Starting from the REFUP State in Normal Mode unit: ms
Definition at line 254 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_MEAS_TWO_CELLS_FAST_TCYCLE (1) |
~203us Measurement+Calibration Cycle Time When Starting from the REFUP State in Fast Mode unit: ms
Definition at line 208 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_MEAS_TWO_CELLS_FILTERED_TCYCLE (35) |
~34ms Measurement+Calibration Cycle Time When Starting from the REFUP State in Filtered Mode unit: ms
Definition at line 220 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_MEAS_TWO_CELLS_NORMAL_TCYCLE (1) |
~407us Measurement+Calibration Cycle Time When Starting from the REFUP State in Normal Mode unit: ms
Definition at line 214 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_PECERRTIME (1) |
LTC statemachine CRC-transmission error timing in ms
Definition at line 265 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_SEQERRTTIME (5) |
LTC statemachine sequence error timing in ms
Definition at line 263 of file ltc_6813-1_cfg.h.
#define LTC_STATEMACH_SHORTTIME (1) |
LTC statemachine short time definition in ms
Definition at line 169 of file ltc_6813-1_cfg.h.
#define LTC_TIDLE_US (6700) |
start definition of LTC timings; Tidle (see LTC data sheet)
Definition at line 163 of file ltc_6813-1_cfg.h.
#define LTC_TRANSMISSION_TIMEOUT (10) |
Timeout in milliseconds added to the transmission time for interrupt-based SPI transmission.
Definition at line 147 of file ltc_6813-1_cfg.h.
#define LTC_TRANSMIT_COMMAND | ( | spi_ltcInterface, | |
command | |||
) |
Transmit functions
Definition at line 306 of file ltc_6813-1_cfg.h.
#define LTC_TRANSMIT_I2C_COMMAND | ( | spi_ltcInterface, | |
txbuf | |||
) |
Transmit functions
Definition at line 303 of file ltc_6813-1_cfg.h.
#define LTC_TRANSMIT_PECERRLIMIT (10) |
Maximum number of re-tries in case of CRC error during the communication with daisy chain before going into error state
Definition at line 271 of file ltc_6813-1_cfg.h.
#define LTC_TRANSMIT_RECEIVE_DATA | ( | spi_ltcInterface, | |
txbuf, | |||
rxbuf, | |||
length | |||
) |
Transmit functions
Definition at line 309 of file ltc_6813-1_cfg.h.
#define LTC_TRANSMIT_SPIERRLIMIT (3) |
Maximum number of re-tries in case of SPI error during the communication with daisy chain before going into error state
Definition at line 277 of file ltc_6813-1_cfg.h.
#define LTC_TRANSMIT_WAKE_UP | ( | spi_ltcInterface | ) | SPI_TransmitDummyByte(spi_ltcInterface, LTC_SPI_WAKEUP_WAIT_TIME_US) |
Transmit functions
Definition at line 302 of file ltc_6813-1_cfg.h.
#define LTC_TREADY_US (10) |
start definition of LTC timings; Tready (see LTC data sheet)
Definition at line 161 of file ltc_6813-1_cfg.h.
#define LTC_TWAKE_US (300) |
start definition of LTC timings; Twake (see LTC data sheet)
Definition at line 159 of file ltc_6813-1_cfg.h.
#define LTC_VOLTAGE_MEASUREMENT_MODE (LTC_ADCMODE_NORMAL_DCP0) |
Measurement modus for voltages, possible values:
Definition at line 126 of file ltc_6813-1_cfg.h.
#define SLAVE_BOARD_VERSION (2) |
If set to 1 LTC driver is configured to use foxBMS slave boards version 1.x If set to 2 LTC driver is configured to use foxBMS slave boards version 2.x
Definition at line 76 of file ltc_6813-1_cfg.h.
int16_t LTC_ConvertMuxVoltagesToTemperatures | ( | uint16_t | adcVoltage_mV | ) |
converts a raw voltage from multiplexer to a temperature value in deci °C.
The temperatures are read from NTC elements via voltage dividers. This function implements the look-up table between voltage and temperature, taking into account the NTC characteristics and the voltage divider.
adcVoltage_mV | voltage read from the multiplexer in mV |
Definition at line 229 of file ltc_6813-1_cfg.c.
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Definition of the multiplexer measurement sequence
Definition at line 180 of file ltc_6813-1_cfg.c.
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On the foxBMS slave board there are 6 multiplexer inputs dedicated to temperature sensors by default. Lookup table between temperature sensors and battery cells
Definition at line 184 of file ltc_6813-1_cfg.c.
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Lookup table to indicate which voltage inputs are used
Definition at line 64 of file ltc_6806_cfg.c.