2022-06-09 16:33:57 +02:00
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/*
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* BQ_Abstraction_Layer.h
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*
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* Created on: 29.01.2022
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* Author: max
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*/
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#ifndef INC_BQ_ABSTRACTION_LAYER_H_
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#define INC_BQ_ABSTRACTION_LAYER_H_
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#include "common_defs.h"
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#include "main.h"
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#include "stm32f4xx_hal.h"
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#define WAKEUP_PIN BQ_Wakeup_Pin
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#define WAKEUP_PORT BQ_Wakeup_GPIO_Port
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#define CELL_OV_THRESHOLD 55100 // 4.2V
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#define CELL_UV_THRESHOLD 34100 // 2.6V
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extern uint16_t cell_voltages[N_CELLS];
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2022-06-12 14:44:37 +02:00
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typedef enum { BQ_OFF, BQ_RDY, BQ_STDBY, BQ_INIT_PHASE, BQ_ERROR } BQ_Status;
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extern BQ_Status bq_status;
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#define BQ_ERROR_KIND_HAL (1 << 0)
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#define BQ_ERROR_KIND_CRC (1 << 1)
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#define BQ_ERROR_KIND_FAULT (1 << 2)
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#define BQ_ERROR_LOC_MEASURE (1 << 0)
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typedef struct {
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uint8_t kind;
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uint8_t hal_loc;
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uint8_t crc_loc;
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uint16_t fault_uv;
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uint16_t fault_ov;
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uint8_t fault_aux_uv;
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uint8_t fault_aux_ov;
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uint16_t fault_cmp_uv;
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uint16_t fault_cmp_ov;
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uint16_t fault_comm;
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uint8_t fault_sys;
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uint16_t fault_dev;
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uint8_t fault_gpi;
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} BQ_Error_Description;
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extern BQ_Error_Description bq_error;
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2022-06-09 16:33:57 +02:00
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extern uint32_t lastmeasurementtime;
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void afe_init(UART_HandleTypeDef* uarthandle);
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void afe_shutdown();
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void afe_measure();
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void afe_selftest();
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void afe_wakeup();
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void afe_init_fault_thresholds();
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void afe_clear_all_faults();
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void afe_check_faults();
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void afe_update_Checksum();
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void afe_config_measurement_channels();
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void afe_config_communication();
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void afe_config_balancing();
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void afe_balance_channels(uint16_t channelstobalance);
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void afe_config_gpios();
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void afe_activate_LED();
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#endif /* INC_BQ_ABSTRACTION_LAYER_H_ */
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